Abbreviation：SPM Stock Code: 600459

ESG REPORT 2025

SINO-PLAT INUM METALS CO . LTD . 2025 ESG REPORTCONTENTS

Report Introduction 04

Environment

Message from Senior Management 06 Symbiosis for a Green Future

Climate Action 20

About Precious Metal Group 08 Energy and Environmeal Management

Group Profi le 08 System 26

Resource Conservation and Circular

Corporate Culture 10 Economy 29

Control Relationship Chart 10 Pollution Prevention and Ecological

Protection 31

2025 Reviw 11

Highlight Performance 11

Society

2025 Major Events 12

Annual Honors 13 Sharing for a green future

Eemployee Development 36

ESG Management 14 Customer Service 43

Materiality Assessment 14 Partner Responsibility 50

ESG Governance System 15 Giving Back to Society 54

Stakeholder Communication 17

Future Outlook Governance72

Co-governance for a

Appendix 74 Sustainable Future

Index Reference 75

Corporate Governance 60

Feedback 75 Compliance Management 63

Rating Report 76 Innovation-Driven Develpment 65

CONTENTSReport Guide Sino-Platinum Metals Co. Ltd. 2025 ESG Report

Report Introduction Preparation Principles

This report has been prepared with reference to the following guidelines while taking into full account the

expectations of stakeholders and the actual circumstances of the Precious Metal Group:

Report System · State-owned Assets Supervision and Administration Commission (SASAC)of the State Council: Guiding Opinions on Better Fulfi lling Social Responsibility for State owned Enterprises

· Shanghai Stock Exchange: Self-Regulatory Guidelines for Listed Companies No. 14–Sustainability Reporting (for

This report is the 13th annual environmental social and corporate governance report (hereinafter referred to as Trial Implementation)and Self-Regulatory Guidelines for Listed Companies No. 4–Sustainability Report Preparation

"this report" or "ESG report") publicly released by Precious Metal Group. · China Enterprise Reform and Development Society &Responsibility Cloud Research Institute: China Corporate

Sustainability Reporting Guide (CASS-ESG 6.0) – General Framework

Based on the principles of objectivity comprehensiveness standardization and transparency this report elaborates · Yunnan Provincial SASAC: Opinions on Fulfi lling Social Responsibility (ESG)for State-owned Enterprises and

on the Group's management philosophy highlighted practices and annual achievements in the economic Guidelines for Preparing Social Responsibility (ESG) Reports for Yunnan Provincial State-owned Enterprises

environmental social and corporate governance aspects for the year 2025. · National Standardization Administration: Guidelines for Social Responsibility Report Preparation

· Global Reporting Initiative (GRI): GRI Standards (Sustainability Reporting Standards)

Report Scope

Nomenclature Explanation

Unless otherwise specifi ed this report mainly describes the responsible practices and performance of the Precious

Abbreviation Referenc Full Name Metal Group and its subsidiaries from January 1 2025 to December 31 2025.Precious Metal Group Group we Refers to Sino-Platinum Metals Co. Ltd.SPM Catalyst Refers to Kunming Sino-Platinum Metals Catalyst Co.Ltd Preparation Process

SPM Chemical Refers to Sino-Platinum Metals Chemical (Yunnan) Co.Ltd

SPM Industrial Catalyst Refers to Sino-Platinum Metals Industrial Catalyst (Yunnan) Co.Ltd Report Framework Material Report Finalization

Planning Construction Collection Drafting Revision Consultation

Report Department Management

Design Review Review and

Release

SPM Semiconductor Refers to Sino-Platinum Metals Semiconductor Materials (Yunnan) Co.Ltd

SPM Functional Refers to Sino-Platinum Functional Materials (Yunnan) Co.Ltd

SPM Electronic Refers to Sino-Platinum Electronic Materials (Yunnan) Co.Ltd Data Description

SPM Resources Refers to Sino-Platinum Metals Resources (Yimen) Co.Ltd Financial data in this report are expressed in Renminbi (CNY) sourced from the Group's offi cial documents and

Yongxing Resources Refers to Sino-Platinum Metals (Yongxing) Resources Co.Ltd statistical reports and have been reviewed by the relevant departments of the Group.Yunnan Precious Metals Laboratory Refers to Yunnan Precious Metals Laboratory Co.Ltd

Dongying Catalyst Refers to Sino-Platinum Metals Catalyst (Dongying) Co.Ltd Report Language and Publication Format

Sino-Platinum Metals Longsun(Shanghai) New Materials

SPM Longsun Refers to This report is available in English in both printed and PDF versions.Technology Co. Ltd

Yongxing Testing Refers to Yongxing Guiyan Testing Technology Co.Ltd

Singapore Company Refers to Sino-Platinum Metals (Singapore) Pte. Ltd. Contact Information

Resources Dongying Refers to Guiyan Resources Environmental Technology (Dongying)Co. Ltd. Should you have any questions or suggestions regarding the contents of this report please contact us by phone or

SPM Bio Refers to Sino-Platinum Metals Biomaterials (Shanghai) Co.Ltd by mail at:

SPM Gold Refers to Sino-Platinum Gold (Yunnan) Co.Ltd

SINO-PLATINUM METALS Co.LTD.Quality Assurance Postal Code: 650106

Website: http://www.sino-precious.com/ Tel: 0871-68329955

The Group warrants that this report contains no false representations misleading statements or material

omissions and accepts individual and joint liability for the authenticity accuracy and completeness of its contents. Address: No. 988 Keji Road High-tech Industrial Development Zone Fax: 0871-68328990

Kunming Yunnan China

04 05Keynote Address Sino-Platinum Metals Co. Ltd. 2025 ESG Report

Message from Senior Management

2025 is the closing year of the "14th Five-Year Plan" the year of the Group 's "3815"strategic development This yearwe have remained committed to green developmentpositioning low-carbon transformation as the core pathway

goal" three-year construction demonstration"and the decisive victory of a series of three-year actions. it is to our corporate sustainable development. In active response to the national "dual carbon"goals we fully implemented

also a key year for the long-term development of the "15th Five-Year Plan". Over the past year Precious the "Green and Beautiful SPM" construction initiative driving the green upgrading of our industries. We are building a

Metal Group has always been guided by Xi Jinping 's Thought on Socialism with Chinese Characteristics "zero-carbon park" advancing integrated distributed photovoltaic power generation and hydrogen energy storage projects

for a New Era deeply studied and implemented the spirit of the 20th National Congress of the Communist to optimize our energy mix. We are also comprehensively promoting the construction of green factories and strictly

Party of China and the Fourth Plenary Session of the 20th Central Committee of the Communist Party managing the operation of environmental protection facilities.of China and the spirit of General Secretary Xi Jinping 's important speech on the inspection of Yunnan.Under the leadership of the provincial party committee the provincial government and the provincial state- This yearwe deeply fulfilled our social responsibilitiespositioning shared contribution and mutual benefit as a solid

owned Assets Supervision and Administration Commission it has taken the initiative to accelerate the foundation for our corporate sustainable development. We implemented the "Talent Strengthening Enterprise"strategy and

industrial transformation and upgrading. scientifi c and technological innovation to improve effi ciency and carried out the "Three Hearts"employee care program to provide comprehensive protection for the physical and mental

empower green development to improve quality and expand social responsibility practice is strong and health and well-being of our employees. We continuously optimized our products and services consistently developed

the governance system is standardized and effi cient showing the mission and responsibility of state-owned fl agship products and cultivated the second batch of 14 "SPM Premium"products to enhance customer satisfaction. We

enterprises in the new era. continued to deepen strategic cooperation strengthened ESG management of our suppliers expanded our international

markets and built the SPM international brand. We actively gave back to society solidly advanced the paired assistance

This yearwe deepened our focus on core businesses to improve quality and efficiencypositioning work in Shangjiang Township Shangri-La City and widely carried out volunteer services to convey warmth and a sense

transformation and upgrading as the key pillar of our corporate sustainable development. We took the lead of responsibility. In 2025 the Group paid 328 million RMB in taxes and fees created 311 new jobs and invested 1.56

in establishing the Dianzhong Rare and Precious Metals National Advanced Manufacturing Cluster and million RMB in rural revitalization.coordinated the advancement of 22 industrialization projects. Nine projects including the new precious

metals materials production line were completed and put into operation while six projects including the This yearwe continuously improved our governance systempositioning standardized governance as the fundamental

Shanghai Sheshan Industrial Park are under accelerated construction.The Group ranked 264th on the safeguard for our corporate sustainable development. We integrated the Party's leadership into corporate governance

2025 China Manufacturing Top 500 list 9th on the 2025 Top 100 Yunnan Enterprises list 5th on the Top 100 strictly implemented the "Three Major and One Major"decision-making system (major issues major personnel

Yunnan Manufacturing Enterprises list and 1st on the Top 100 Yunnan High-Tech Enterprises list. appointments major project arrangements and major fund allocations) and revised and refined various meeting

procedures. We advanced the integrated construction of "risk internal control and compliance"to strengthen our

This yearwe focused on building new quality productive forcespositioning technological innovation as the compliance management system. We thoroughly implemented the series of deployment requirements for the reform

and development of state-owned enterprises further enhancing our eff orts to advance SOE reform and development to

core engine of our corporate sustainable development. We continued to increase R&D investment built

strengthen expand and enhance SOEs and to ensure the eff ective implementation of key annual reform tasks.high-quality innovation platforms and carried out research on key technologies to address major national

strategic needs thereby promoting the integrated development of technological and industrial innovation.A new journey has begunand a new clarion call has sounded. The blueprint urges us forward and only solid action will

With a focus on digital infrastructure construction and AI empowerment we developed an AI public service

bring a bright future! Standing at this new historical starting point we will adopt higher standards and more concrete

platform and independently developed a controllable digital factory. In 2025 the Group 's R&D investment

measures to continuously deepen our green and low-carbon transformation actively fulfill our social responsibilities

reached 1.231 billion RMB. We received support for two National 2030 Major Projects obtained funding improve our corporate governance system and strengthen the engine of technological innovation. We will contribute

for six National Fund projects and our National Intellectual Property Operation Center was accredited. The greater wisdom and strength to the high-quality economic and social development of Yunnan Province to the security of

Group was recognized as a "Yunnan Provincial Industrial Internet Demonstration Enterprise"and one of our national strategic resources and to the building of a Beautiful China and a Harmonious Society.practices was selected as a typical case study by the Ministry of Industry and Information Technology.

06 07Regarding the Precious Metals Group Sino-Platinum Metals Co. Ltd. 2025 ESG Report

About Precious Metal Group Precious Metal Group bearing in mind the "greaters of the nation"and adhering to the "Four Orientations" develops three core business sectors: manufacturing of precious metals new materials development and recycling of precious

metals resources and precious metals supply services. It focuses on five major application areas: national defense

environmental protection new energy chemicals life and health and next-generation information technology. The Group

serves ten key fi elds: clean air green chemicals electronics and electrical chip packaging new energy biomedicine

Group Profi le advanced materials resource recycling high-purity refining and mineral resources. It is a critical force in China 's achievements in the transformation and industrial development of precious metals. The Group has formed a product

portfolio of over 400 varieties and more than 4000 specifications offering customers one-stop full-industry-chain

Sino-Platinum Metals Co. Ltd. (referred to as "Precious Metal Group" ; stock short name: SPM Platinum; stock code: services. It currently ranks fi rst in China and fi fth globally in the precious metals fi eld. In 2025 it ranked 264th among

600459) is a provincial state-owned holding high-tech enterprise group that is publicly listed as a whole. It specializes in China 's Top 500 Manufacturing Enterprises 36th among Top 50 Nonferrous Metals Enterprises and 1st among Yunnan

the R&D manufacturing and resource recycling of precious metals new materials. Its predecessor was the "Engineering 's Top 100 High-Tech Enterprises.Research Institute Academia Sinica "founded in 1928 which was renamed the Precious Metals Research Institute in

1962 restructured into a technology-based enterprise in 1999 listed on the Shanghai Stock Exchange in 2003 and took The Group has cultivated one national-level Manufacturing Single Champion Enterprise three national-level Key "Little

the lead among Yunnan provincial state-owned enterprises to achieve a complete overall listing in 2022. Giant"Enterprises specializing in new technologies one national-level "Little Giant"Enterprise one National Technology

Innovation Demonstration Enterprise and 12 National High-Tech Enterprises. With a focus on expanding green

Precious Metal Group possesses the only series of core technologies and a complete innovation system in the field initiatives energy conservation carbon reduction pollution control and emission reduction the Group is building zero-

of precious metals in China. It has undertaken over 3000 national scientifi c research projects in the precious metals carbon parks zero-carbon factories and green factories. It currently operates one zero-carbon park three national-

fi eld with many achievements fi lling domestic gaps. The Group has 10 national-level and 14 provincial-level innovation level "Green Factories"and three zero-carbon factories. The Group is accelerating its layout in key business areas such

platforms 9 academician workstations and 18 expert workstations. It was the fi rst Yunnan state-owned enterprise to as photovoltaics new green chemicals and hydrogen energy storage to achieve green low-carbon and sustainable

establish a National Key Laboratory and has successfully reorganized the State Key Laboratory of Precious Metals development in the rare and precious metals industry.Functional Materials. It was among the fi rst to build the Yunnan Precious Metals Laboratory achieving deep integration of

"production academia research and application." The Group strives to build a hundred-billion-level industrial cluster radiating and driving the rapid growth of a group of

upstream and downstream new materials enterprises with the goal of creating a trillion-level industrial cluster. It aims to

become the national leader in the precious metals new materials industry and a guardian of strategic resource security.

08 09Regarding the Precious Metals Group Sino-Platinum Metals Co. Ltd. 2025 ESG Report

Corporate Culture 2025 Reviw

Highlight Performance

Economic Performance

Innovation-Driven Development

Leader of China's Win-Win Cooperation Empowering

Precious Metals Industry Employees Giving Back to Society Operating Revenue: RMB 55.675 Billion Total Profi t: RMB 804 Million up

Developing the New Materials World-Leading Precious up 17.20% year-on-year 12.46% year-on-year

Industry Serving High-Quality Metals New Materials

Human Life Technology Group Total Profi t and Taxes: RMB 1.098 Billion Output value: RMB 48.623 Billion

up 3.41% year-on-year yuan YoY 25.55%

Strategic Values

Positioning

Economic Value Added (EVA): RMB 651Million

up 2.44% year-on-year

Mission Vision

Net Assets: RMB 8.073 Billion Asset-Liability Ratio Return on Equity (ROE)

up 9.60% year-on-year 59.38% 8.73%

Control Relationship Chart

Environmental Performance Social Performance

Environmental Protection Expenditure: New Jobs Created 311persons

RMB1148 Million Total Social Contribution Investment:

7 RMBNewly Added Product Carbon Footprint 156 Million

State-owned Assets Supervision and Administration Commission Yunnan Provincial Department of Certifi cations Safety Expenditure: RMB 649 Million

of Yunnan Provincial People's Government Finance

90% 10% Governance Performance

R&D Investment: RMB 1.231billion Received support for 2 National 2030 Major Projects including

Yunnan Investment Holding Group Co. Ltd.R&D investment 2.21% 1 project as the lead and 1 project as a participant.

6 projects supported by National Fund 40 newly added SCI/EI indexed papers38.6%

51 authorized invention patents 13 national or industry standards formulated/revised

Sino-Platinum Metals Co. Ltd. 12 National-level high-tech enterprises 4 national-level specialized and sophisticated "Little

Giant"enterprises and 1 national-level manufacturing single champion enterprise. 4 provincial-level

specialized and sophisticated "Little Giant"SMEs and 6 provincial-level manufacturing single champion

demonstration enterprises.

10 112025 Review Sino-Platinum Metals Co. Ltd. 2025 ESG Report

2025 Major Events Annual Honors

The Group was ranked 9th on the "2025

The Group was approved as the main entity for the construction of Yunnan Top 100 Yunnan Enterprises" list 5th on January January SPM Catalysis was rated as a national-Provincial Industry-Level Big Data Center September the "2025 Top 100 Yunnan Manufacturing level "Green Factory" Enterprises" list and 1st on the "2025 Top

January The Group held its 2025 Work Conference and the First Session of the 100 Yunnan High-Tech Enterprises" listSecond Employee Representative Congress The Group was listed on the 2025 China

January Top 500 Manufacturing Enterprises ranking

SPM Resources' "Modern Industrial Base Project for Enrichment and 264th (up 9 places from last year) and 3rd The Group was listed among the fi rst

March Regeneration of Precious Metals Secondary Resources" (Phase I) was fully among the 8 listed enterprises in Yunnan batch of national-level industrial intellectual

completed and put into operation September property operation centers released by

The Group's Chief Scientist Wen Ming the China National Intellectual Property April The Group held the Third Science and Technology Conference April received the "National Model Worker" title Administration (CNIPA) ranking 61st

The First Meeting of the First Academic Committee of the "National Key Yongxing Testing passed the certifi cation SPM Zhongxi passed the certifi cation

April Laboratory of Precious Metal Functional Materials" (led by the Group) was May as a Hunan Provincial Specialized and October as a national-level Specialized and

held in Kunming Sophisticated SME Sophisticated "Little Giant" Enterprise

May The Tokyo Branch Center of Yunnan Precious Metals Laboratory Co. Ltd. was inaugurated July Catalysis Dongying was shortlisted as a Yunnan Provincial Precious Metals New

Shandong Provincial Intelligent Factory October Materials Industrial Park was rated as an

Yongxing Resources' "Green Recycling Project for Rare and Precious enterprise-level "Three-Star Zero-Carbon

September Metals" completed equipment installation and offi cially entered the equipment Group's "2024 ESG Report" received a Park"

commissioning phase July "Five-Star" rating from the China Enterprise

The "Yunnan Rare and Precious Metals Industry High-Quality Dataset Social Responsibility Report Rating Expert SPM Catalysis passed the certifi cation

September Construction and Application Project" was approved for establishment by the Committee November as one of the fi rst batch of "Zero-Carbon

National Development and Reform Commission (NDRC) Factories" in Yunnan Province

Guizhou Catalyst has been certifi ed as

October Yunnan Provincial Precious Metals Pharmaceutical Technology Innovation July one of the fi rst" zero-carbon factories "in The Group was selected for the "China Center was approved for construction Yunnan Province ESG Listed Companies State-owned

Enterprise Pioneer 100 (2025)" list

The Group participated in the 2025 Tengchong Scientists Forum – Special

October Event on Innovation-Driven Development of New Materials and Industrial The Group's reform practice was again won the "ESG Jingniu Award · ESG

Finance and the 2025 Precious Metals Forum selected for the Case Collection of the November Dual Carbon Pioneer" and three ESG August State-owned Assets Supervision and best practice cases were included in

October The Shanghai Rare and Precious Metals Innovation Platform and the Shanghai Administration Commission (SASAC) of the "Yunnan Provincial State-owned Sheshan Precious Metals New Materials Industrial Base broke ground the State Council Enterprises Social Responsibility

November The Group participated in the fi rst-day trading of platinum and palladium

(Sustainable Development) Blue Book

SPM Chemicals was selected as a Yunnan

futures and successfully completed its fi rst transaction September (2025)"Provincial Advanced-Level Intelligent

December The Group participated in the 2025 Tengchong Scientists Forum · Rare and Factory The group has been ranked 9th in Precious Metals Industry Innovation and Development Forum the"2025Top 100 Yunnan Enterprises"

SPM Zhongxi passed the dual December specifi c in the"2025 Top 100

September certifi cations of Shanghai Municipal Yunnan Manufacturing Enterprises" and

Single Champion Enterprise and 1st in the"2025 Top 100 Yunnan High-tech

Enterprise Technology Center Enterprises

SPM Resources passed the certifi cation

December as a "Zero-Carbon Factory" in Yunnan

Province

12 13ESG Management Sino-Platinum Metals Co. Ltd. 2025 ESG Report

ESG Management ESG Governance System

ESG Governance Structure

Materiality In accordance with the latest domestic and international disclosure standards including the Shanghai Stock Exchange Listed Company Self-Regulatory Guidelines No. 14 – The Group has established a social responsibility (ESG) management system to provide unifi ed leadership decision-

Assessment Sustainability Reporting (for Trial Implementation) and the Shanghai Stock Exchange making and organizational implementation for related work forming a social responsibility framework characterized by Listed Company Self-Regulatory Guidelines No. 4 – Sustainability Report Preparation the coordinated planning vertical linkage and holistic advancement. A Social Responsibility Leadership Working Group has

Company conducts a double materiality assessment. By integrating its own development been established as the leading body for the Group's social responsibility (ESG) work. The Group's Party Committee

strategies and plans the Company has established a comprehensive system for identifying Secretary and Chairman serves as the Group Leader the Deputy Party Committee Secretary Vice Chairman General

and managing sustainability topics and carries out the identification assessment and Manager and responsible leaders serve as Deputy Group Leaders and other members of the Group's leadership team

prioritization of sustainability topics. The perspectives of multiple departments and serve as members taking comprehensive responsibility for the Group's social responsibility (ESG) work. The Social Responsibility Leadership Working Group has an offi ce as its daily management department which is hosted within the

stakeholders are fully incorporated to provide directional guidance for each business Group's Party Committee Work Department. Each department is responsible for social responsibility (ESG) management

segment. The Company also discloses the progress of key topics in the report responds within its business scope according to its functional division.to stakeholder concerns and demonstrates its sense of responsibility and pragmatic

actions on the journey toward sustainable development. Governance Responsible

Structure Body Responsibilities

Double Materiality Assessment Approach Leadership Corporate Social Responsibility ·Research and provide guidance on the development of the Group's social responsibility and Decision- (ESG) work system institutional development strategic planning annual plans major

Background Analysis and Initial Identification of Topics. A professional team was established. Based Making Body Leadership project implementation annual report preparation and other signifi cant matters.on policy requirements industry characteristics market dynamics and sustainability trends the team Working Group

The fi rst conducted in-depth analysis and interpretation of macro policies and industry hotspots understood the ·Regularly report to the Group's Social Responsibility Leadership Working Group and

step key ESG concerns of capital markets and institutional investors and combined these with the Company's implement its resolutions.business development strategy and its unique characteristics to initially identify 18 topics that have a ·Promote the clarifi cation of social responsibility (ESG) responsibilities among the Group's

signifi cant impact on the Company. Corporate Social departments and subsidiaries.Daily Work and Responsibility ·Draft social responsibility (ESG) management systems and promote the standardized

Impact and Financial Materiality Assessment. For impact materiality assessment a dedicated Coordination Leadership implementation of social responsibility work.questionnaire on topic impact materiality was developed and distributed to a wide range of stakeholders Body Working Group Offi ce ·Conduct social responsibility (ESG) exchanges communication and dissemination.including government offi cials shareholders and investors industry association representatives strategic ·Organize the preparation of the Group's social responsibility (ESG) report.partners directors senior management employees customers suppliers communities and the public ·Conduct social responsibility (ESG) evaluations and awards.Step two to rate the materiality of each ESG topic. A total of 352 questionnaires were collected. For financial

materiality assessment a fi nancial materiality assessment form for ESG topics was developed. Relevant ·Uniformly manage other matters related to the Group's social responsibility (ESG) work.department heads and the Finance Department jointly evaluated the fi nancial materiality of each topic ·Be responsible for organizing the implementation of social responsibility (ESG) tasks

based on dimensions such as identification of risks and opportunities likelihood of occurrence and assigned by the Group.degree of fi nancial impact. ·Promote the deep integration of social responsibility (ESG) work with departmental

operations carrying out work in a more responsible manner.Functional

Topic Confirmation and Approval. Based on the questionnaire results material topics under two Departments ·Be responsible for the collection organization and reporting of social responsibility (ESG)

Step three dimensions—"importance of impact on the economy environment and society" and "importance of information within the department.financial impact"—were identified. Combined with expert opinions in the sustainability field the 2025 Implementing ·Participate in the preparation of the corporate social responsibility (ESG) report.materiality matrix was developed and the material topics for the year were determined. Bodies ·Participate in internal and external social responsibility capacity-building and stakeholder

communication activities.Compliant and Ethical Business Waste and emissions management ·Accept the Group's guidance coordination and evaluation; implement the Group's

Operations includes content decisions and arrangements regarding social responsibility (ESG) work; proactively

related to anti-commercial bribery Compliant and ethical business operations * 1

Subsidiaries promote the development of social responsibility (ESG) work; properly collect organize anti-corruption and anti-unfair Corporate governance and risk management

competition. and consolidate social responsibility (ESG) information of the subsidiary and report such

Employee rights safety and development

2 information to the Group; participate in the preparation of the Group's annual social

ESG Management includes Resource conservation and circular economy

Product and service quality responsibility report etc.content related to stakeholder ESG management * 2 Climate change response

3

communication. Responsible supply chain

3 ESG Policies

Product and Service Quality Environmental compliance management Pursuant to the "Social Responsibility (ESG) Management Measures of Sino-Platinum Metals New Materials Holding

includes content related to data R&D and application of environmental technologies and products

security and customer privacy Group Co. Ltd. (Trial)" the Group has defined its social responsibility (ESG) concepts and principles management

protection. bodies and responsibilities implementation management communication management performance management and

4 Energy/water resource utilization funding guarantees. The Group actively fulfi lls its social responsibility (ESG) obligations to accelerate the development of

As of the end of the reporting Due diligence a world-class enterprise and achieve high-quality and sustainable development.period the Group's accounts

payable (including notes payable) Rural revitalization and social contribution

balance did not exceed RMB 4 Equal treatment of small and medium-sized enterprises * Innovation-driven4 ESG Report Management

billion accounting for no more than

20% of total assets and the Group Ecosystem and biodiversity protection

had no information on overdue Science and technology ethics The Group has published its annual social responsibility/ESG report for twelve consecutive years disclosing the

payments to small and medium- Company's ESG governance and practices. During the report preparation process the Party Committee Work

sized enterprises on the National Department is responsible for the organization planning liaison and communication of ESG work. Other departments

Enterprise Credit Information and subsidiaries participate jointly assisting in the collection of ESG-related materials and cooperating in the report

Publicity System. Importance of fi nancial impact Tall writing to ensure the report's authenticity and completeness. Each department has clear divisions of responsibility

eff ectively advancing the preparation process.

1415

Tall Importance of impact on the economy environment and society lowESG Management Sino-Platinum Metals Co. Ltd. 2025 ESG Report

ESG Supervision and Assessment Stakeholder Communication

The Group strengthens the organic integration of the social responsibility (ESG) indicator system with the existing

performance management system incorporating social responsibility (ESG) work into the annual performance

assessment of each department and unit. A mechanism linking executive compensation to core ESG topics has been The Group places emphasis on stakeholder communication and engagement. Based on factors such as the Group's daily

established incorporating technological innovation green and low-carbon practices and workplace safety into the operations and management and the scope and impact of various topics it identifi es and selects internal and external

assessment system with quantitative management. A rigid "one-vote veto" constraint has been established: executives stakeholders that have a significant impact on the Group's development. A regular communication and supervision

involved in extremely serious or major workplace safety accidents or major or above ecological and environmental mechanism has been established. Social responsibility (ESG) information is published through the offi cial website offi cial

incidents will have their assessment ratings downgraded promoting a direct link between executive compensation and WeChat public account and video channel to disseminate the Group's philosophy and performance dynamics. While

sustainable development performance. responding to the concerns of key stakeholders the Group also takes into account reasonable opinions and suggestions from internal and external stakeholders continuously improving its corporate management practices and building

ESG Responsibility Capacity consensus on sustainable development.Stakeholders Expectations and Concerns Communication and Response

The Group places emphasis on cultivating ESG capacity deeply integrating ESG with corporate development planning

and daily operations. An ESG indicator system covering fi ve areas—report preface environment society governance

and report postscript—has been established. Using the indicator system as an entry point ESG concepts methods

and strategies are integrated into the Group's strategic planning and business operations continuously enhancing core Comply with laws and regulations Maintain law-based corporate governance

functions and promoting the Group's high-quality and sustainable development. Government Pay taxes in accordance with the law Pay taxes in strict accordance with the law

Provide employment opportunities Provide job opportunities

The Group actively participated in the Yunnan Provincial State-owned Enterprises 2025 Series of Press Conferences

on Fulfi lling Social Responsibility and Promoting Sustainable Development the Yunnan State-owned Assets and State-

owned Enterprises 2025 Social Responsibility (Sustainable Development) Special Training and ESG China · The 8th

Beijing Responsibility Expo and received multiple honors. The Group's 2024 ESG Report was selected as a case study in

the "Blue Book of Social Responsibility of State-owned Assets and State-owned Enterprises (2025)" for local state-owned Improve corporate governance Maintain prudent operations

enterprise social responsibility reports receiving a "Five-Star" rating from the China Enterprise Social Responsibility Shareholders

Report Rating Expert Committee. The Group was selected for the "China ESG Listed Companies State-owned Enterprise Strengthen risk management and Improve information disclosure

Pioneer 100 (2025)" list ranking 35th. Leveraging its technological innovation and practical achievements in the green control Strengthen compliance management

and low-carbon fi eld it won the "ESG Jingniu Award · ESG Dual Carbon Pioneer." Three ESG best practice cases were

selected for the "Yunnan Provincial State-owned Enterprises Social Responsibility (Sustainable Development) Blue Book

(2025)." The Group's Wind ESG rating was upgraded to A. Improve compensation and benefi ts

Protect employee rights and interests Promote career development

Employees Support employee growth Strengthen talent developmentBalance work and life Care for and support employees

Health and safety Ensure workplace safety

Maintain integrity in business operations

It was selected into the list of "China's Protect customer rights and interests Optimize product quality

Top 100 ESG Listed State- Customers Enhance customer satisfaction Ensure service quality

owned Enterprises(2025)"and ranked 35th. Product and service innovation Protect customer privacy

Emphasize R&D and innovation

The WindESG rating result is Class A.Implement responsible procurement Maintain transparent procurement practices

Partners Drive industry development Strengthen supplier management

Achieve win-win cooperation with Deepen strategic cooperation

The 2024 ESG report Awarded the"ESG Whale and Bull Award-ESG partners

received a"fi ve-star "rating. Dual Carbon Pioneer"

Actively integrate into the community Support rural revitalization

Communities Carry out volunteer activities Participate in public welfare activities

Support disadvantaged individuals Care for disadvantaged groups

Protect the ecological environment Develop clean energy

Utilize resources rationally Restore the ecological environment

Environment Promote energy conservation and Promote environmental protection concepts

emission reduction Strengthen energy management

Address climate change

Thre emplay ESG pracices have ben seleted for incusion in the"Yunm Provincial Stateowned Enterpises Sacial

Responsibility(Sustainable Development)Blue Book(2025).

16 17In 2025the Group

Environment

Environmental protection Majinpu Industrial Park obtained Zero-Carbon

investment: RMB Park certifi cation making the Group the fi rst

11.48 million enterprise in Southwest China to establish a corporate-level zero-carbon park.

SPM Chemical obtained Type I Three-Star Zero-

Carbon Factory certifi cation; SPM Catalyst and

SPM Resources obtained Type I Four-Star Zero-

Carbon Factory certifi cation; Catalyst Dongying

passed municipal-level Green Factory certifi cation.

7new products obtained carbon footprint

certifi cation

The Precious Metal Group has deeply studied and

implemented Xi Jinping's Thought on Ecological

Civi l ization implemented the requirements Responding to the Sustainable

of Beautiful China and the Yunnan Provincial Development Goals (SDGs)

Government for the construction of Beautiful

Yunnan took the construct ion of "Green

Beautiful and Precious Research" as an important

measure to promote the green harmonious and

sustainable development of enterprises actively

implemented the national "dual carbon" goal and

comprehensively improved the Group's green and

low-carbon high-quality development ability.

1819

for a Green Future

SymbiosisEnvironment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future for a Sustainable Future

Climate Action Environment (Climate)-Related Risks

The Sino-platinum Metals Group actively addresses climate change by improving its Physical Risks

climate response governance system establishing a climate change strategy advancing

the management of climate-related impacts risks and opportunities and setting

indicators and targets for climate change. Multiple measures are being taken to promote Risk Risk Time Value Chain Potential Impact / Response

carbon emission reduction. Category Description Horizon Link Financial Impact Strategy

Extreme Frequent and intense Short to 1 Upstream Production stoppage * Establish a full-chain climate risk Weather extreme weather events Medium Operations 2 losses supply chain assessment system

may aff ect production disruption risk

systems and supply increased emergency * Systematically enhance supply

chain resilience

Governance chains leading to response costs operational disruption * Establish a climate disaster property loss and emergency plan covering early

personnel safety issues. warning response and recovery

A climate change governance mechanism has been established led by the Group's Ecological Environment Protection

Committee. Climate issues are given priority in the Group's strategy and fully integrated into corporate governance and core Acute

decision-making processes. A "dual carbon" management structure covering decision-making management execution Risk

supervision and evaluation has been established forming a complete closed loop from strategy formulation to execution Flooding Extreme precipitation Short to Operations Equipment damage Strengthen drainage system

and evaluation eff ectively advancing the achievement of "dual carbon" goals. causes fl ooding around Medium losses material losses retrofi ts at production bases; production bases increased production develop fl ood emergency plans

submerging production interruption costs

equipment and stored

materials (precious

metal raw materials/

Management Structure fi nished products)

aff ecting production

continuity.Responsible for formulating "dual carbon" goals and policies providing directional

Decision-making guidance for "dual carbon" work.Average Long-term temperature Medium to Operations Increased energy costs * Optimize chiller system

Management Coordinates "dual carbon" work formulates specific implementation plans and action

Temperature rise has led to Long over the long term; operation strategies to reduce

plans supervises execution. Rise persistently high increased material energy consumption; improve temperatures storage losses system energy effi ciency

in production

* Enhance ventilation and

Responsible for implementing specific "dual carbon" projects such as energy-saving environmentsincreasing

Execution refrigeration energy insulation control in production retrofi ts and new energy projects. consumption and and warehousing areas

simultaneously aff ecting

the storage stability of

Supervision & Monitors energy consumption and carbon emissions using energy management systems certain precious metal

Evaluation and carbon emission verification; regularly evaluates goal completion and adjusts

Chronic materials.strategies when issues are identifi ed. Risk

Changing Regional drought or Medium to Upstream Production water * Build water recycling systems;

Precipitation abnormal precipitation Long Operations shortage risk; reserve emergency water

Patterns aff ects water supply increased logistics

or causes temporary scheduling costs * Sign multi-route transportation

Strategy logistics route agreements with logistics restrictions. providers; strengthen

assessment of climate trends'

impact on supply chains

Climate change impacts are deeply integrated into long-term strategic planning and annual business plans ensuring

forward-looking and systematic consideration in strategy formulation business layout and operational control. The Group

systematically assesses the potential impacts of climate change on existing business models operating costs technology 1. Time horizon: Short term - within 1 year after the reporting period; Medium term - 1 to 5 years after the reporting period; Long term - more than 5

roadmaps market competitiveness and fi nancing channels while proactively positioning for transition opportunities in years after the reporting period.low-carbon technologies green products and the circular economy. Based on climate assessments a climate strategy 2. Value chain links: Upstream - supplier collaboration (raw materials equipment) procurement logistics; Operations - R&D production

manufacturing internal process control; Downstream = distribution sales customer service.centered on "leading the industry's green transformation" has been formulated and substantively integrated into strategic

decision-making and daily operations.

20 21Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future for a Sustainable Future

Environment (Climate)-Related Risks Environment (Climate)-Related Opportunities

Transition Opportunities

Transition Risks

Opportunity Opportunity Time Value Chain Potential Impact / Capture

Category Description Horizon Link Financial Impact Strategy

Risk Risk Time Value Chain Potential Impact / Response

Category Description Horizon Link Financial Impact Strategy Deepened Expand used precious Short to Upstream Raw material cost * Establish a used precious

Resource resource metals recycling channels Medium Operations savings; reduced metals recycling network

Effi ciency recycling and improve resource Term carbon footprint optimize recycling and

Improvement circular utilization rates purifi cation processes

Increasingly The state tightens carbon Short to Operations Increased compliance * Establish an internal and strengthen recycling

stringent emission regulations Medium costs for carbon carbon accounting system to cooperation mechanisms with

carbon raises energy effi ciency emissions dynamically track compliance downstream customers

emission standards and sets gaps

regulations mandatory emission Energy Clean Replacement of Short to Operations Reduced carbon * Invest in R&D of renewable

reduction targets leading * Establish a low-carbon Structure energy production energy with Medium emissions; stabilized energy hydrogen storage etc. to higher compliance access and assessment application clean alternatives energy costs; and promote carbon emission

costs mechanism for suppliers and Transformation compliance with green reduction

proactively reserve carbon production policies

Policy & emission reduction credits

Regulatory

Risk Green Growing demand Short to Operations Increased product * Increase R&D investment product from consumers and Long Downstream pricing power; to develop products with low-

Enhanced Customers require Short to Operations Increased compliance * Improve ESG information and businesses for green and enhanced customer carbon and environmentally

environmental disclosure and reduction Medium costs for information disclosure in line with service low-carbon products and loyalty; improved brand friendly characteristics

information of supply chain carbon disclosure; risk of authoritative disclosure market services reputation

disclosure footprints; non-compliant customer loss and standards * Strengthen marketing eff orts

requirements entities may be excluded supply chain cooperation to promote green products and

from the supply chain disruption due to non- * Establish a carbon footprint services and enhance brand

compliant disclosure data traceability mechanism to Product awareness

meet customers' low-carbon

traceability requirements & Service

Innovation

Technological Develop energy-saving Medium Operations Strengthened core * Directly reduce operating costs

Innovation precious metal refi ning to long technology barriers; and carbon emissions through

processes and optimize term reduced production energy-saving technology

green technologies for energy consumption transformation and intelligent

Premature High-energy-consumption Medium Operations Asset impairment * Optimize asset allocation precious metal recycling management

phase-out production equipment to Long losses; increased planning and phase out and purifi cation * Establish innovation centers in

of existing and traditional processing capital expenditure high-energy-consumption collaboration with universities/

assets technologies may face on equipment equipment in an orderly

Technology research institutes set up policy restrictions or upgrades manner

Risk special R&D funds for low-reduced economic

viability leading to * Increase investment in carbon technologies and

accelerated depreciation energy-effi cient production

accelerate the translation of

of equipment equipment and improve asset

pilot-scale results

utilization effi ciency

Green Green fi nance support: Short to Operations Expanded fi nancing * Strong ESG performance can

Finance Rapid development medium channels; reduced attract substantial sustainable

Support of green fi nancial fi nancing costs; fi nance funds and reduce the

Shift in Increased customer Medium Operations Risk of customer loss; * Develop a low-carbon instruments providing optimized capital cost of capital

preferences demand for low-carbon to Long Downstream reduced product pricing product system carry out funding support for low- structure

for low- energy solutions power product carbon footprint carbon transition

Market carbon accounting and labeling and Market

Risk products and conduct targeted R&D of Opportunitiesservices material products that meet Brand Strong climate action Medium Operations Increased brand pricing * Leverage industry leadership

downstream low-carbon Reputation can signifi cantly enhance to long power; enhanced position low-carbon production

demand brand reputation and customer collaboration technology advantages and

attract and retain talent loyalty international brand certifi cations

that values corporate to strengthen ESG information

social responsibility disclosure and climate action

communication establishing a

sustainability benchmark in the

Scrutiny over Stakeholders pay Short to Operations Damaged brand image; * Regularly communicate precious metals industry

inadequate increasing attention to Medium reduced investor climate action progress

Reputation climate action the company's climate confi dence; risk of and actively respond to goals emission reduction customer loss stakeholder concerns

Risk actions and information Supply Chain Climate change prompts Medium Operations Reduced overall supply * Help suppliers reduce

disclosure; inadequate Industry Optimization companies to reassess to long Downstream chain carbon footprint; emissions and build a more

action may trigger Opportunity & and optimize supply deepened partnerships resilient and sustainable supply

negative public opinio Collaboration chains to reduce carbon chainemissions and enhance

risk resilience

22 23Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future for a Sustainable Future

Risk Impact and Opportunity Management Indicators and Targets

Risk Management Process "Dual Carbon" Goals and Progress

Through an institutionalized governance structure data-driven monitoring platforms business-integrated mechanisms The Group has established its "dual carbon" goals which are aligned with the long-term goal of the Paris Agreement

and a transparent disclosure system the Group has established a climate change management process that covers to limit global temperature rise to within 1.5°C and China's Nationally Determined Contribution (NDC) commitments

the entire cycle of "identification – assessment – monitoring – management – improvement." This ensures strategic of achieving carbon peak by 2030 and carbon neutrality by 2060. This demonstrates the Group's responsibility and

alignment and operational implementation in addressing climate change enables systematic responses to climate risks commitment to actively integrating into global climate governance and supporting China's green and low-carbon

and captures green opportunities providing a mechanism to continuously enhance the climate resilience of the industrial transition.chain and lead the industry's low-carbon transition.Risk Regularly conduct climate risk scans integrating factors such as industry trends policy and

Identifi cation regulatory changes and extreme weather events to identify climate risk issues that may have

By 2026 further increase the use of clean energy increase the number of zero-carbon

a signifi cant impact on the company's operations assets and fi nances. Dual Carbon parks zero-carbon factories green factories and product carbon footprint certifi cations

Goals and gradually carry out carbon inventories to establish a clear baseline for carbon

emissions.Conduct systematic assessments of physical risks that may arise from climate change using

Risk historical data the latest policies and regulations and meteorological warning information.Attempt to translate potential impacts such as fl ooding caused by extreme heavy rainfall into

Assessment quantifiable indicators including economic losses production interruption duration and the

degree of supply chain disruption for assessment. Greenhouse Gas Emissions Data of Sino-Platinum Metals Group

Risk Integrate climate risk indicators into daily monitoring specify monitoring frequency and Indicator Unit 2025 Actual Value

Monitoring responsible departments regularly report to management and track risk trends.Total GHG emissions 13036.28

Prioritize flood prevention infrastructure systematically plan emission reduction pathways

Risk and promote the transformation of climate risk management from qualitative judgment to data-

Management driven scientifi c decision-making enabling forward-looking and precise control of climate risks.Scope 1 GHG emissions tCO?e 3826

Scope 2 GHG emissions 9210.28

Risk Review the eff ectiveness of climate risk management optimize processes at each stage of risk management based on policy updates industry trends and business realities strengthen

Improvement departmental coordination continuously enhance climate risk management capabilities and Note: During the reporting period Scope 1 and Scope 2 GHG emissions were calculated using the emission factor method in accordance with the

achieve closed-loop optimization. "Guidelines for Greenhouse Gas Emission Accounting and Reporting for Enterprises in Other Industrial Sectors" and ISO 14064-1 among other

standards.Climate Adaptation Carbon Off set Initiatives

Assess the potential impact of climate change on the company's strategy and business model systematically analyze the SPM Chemicals SPM Resources and SPM Catalysis offset part of their direct and indirect emissions for the

full range of impacts of climate change on its business and enhance its ability to adapt to climate change and adjust its corresponding years by purchasing Green Electricity Certificates (GECs) carbon credits and Certified Emission

strategy and business model in the short medium and long term. Reductions (CERs) respectively. To create the Majinpu Zero-Carbon Park SPM Chemicals SPM Electronics and

SPM Semiconductor jointly purchased Certifi ed Emission Reductions (CERs) and obtained corresponding carbon off set

Carbon Emission Reduction Initiatives certifi cates.The Group continues to advance national and provincial green factory certifi cations and green electricity certifi cations Carbon Verifi cation

and is building high-quality zero-carbon parks. The Majinpu Park successfully obtained zero-carbon park certifi cation

making the Group the fi rst entity in Southwest China to establish a corporate-level zero-carbon park. SPM Chemicals In 2025 SPM Chemicals SPM Resources SPM Catalysis SPM Semiconductor and SPM Electronics engaged third-

obtained Type I Three-Star Zero-Carbon Factory certifi cation SPM Catalysis and SPM Resources obtained Type I Four- party organizations to conduct greenhouse gas verifi cation for the 2024 fi scal year in accordance with the ISO 14064-

Star Zero-Carbon Factory certifi cation and Catalysis Dongying passed municipal-level green factory certifi cation. The 3:2019 standard. The accuracy and standardization of the verifi cation were ensured through measures such as sampling

Group is strategically deploying forward-looking green technology products such as automotive exhaust catalysts VOCs and testing source data verifying the correctness of calculations on-site inspection of instruments and reported GHG

purifi cation catalysts and hydrogen-electric catalytic materials to build a strong technology supply capability and promote emissions interviews and discussions with relevant personnel and observation and review of relevant documents. During

the application and industrialization of advanced and applicable technologies. A carbon management platform is being the reporting period the Group and its subsidiaries were not included in the quota management of the national carbon

developed in line with actual conditions to enhance precise carbon emission control and optimization capabilities. The

Group continues to advance "carbon footprint" certification for its precious metal products strengthening their "low- emissions trading market nor did they participate in the registration and trading of domestic or international emission

carbon" advantage. In 2025 7 new products obtained carbon footprint certifi cation bringing the total number of certifi ed reduction mechanisms such as the China Certified Emission Reduction (CCER) program the Clean Development

products to 22. Mechanism (CDM) or the Verifi ed Carbon Standard (VCS).

24 25Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future for a Sustainable Future

Environmental The Group complies with the requirements of the "Classification Management List for

Environmental Impact Assessment of Construction Projects" entrusts qualifi ed entities to

Energy and Environmental Management System Management conduct detailed on-site surveys of new project sites and their surroundings investigates of Construction environmental sensitive targets of new projects and their peripheries monitors the current environmental status of project areas and prepares environmental impact assessment

Projects (EIA) reports in a standardized manner. In accordance with the public participation measures for environmental impact assessment the Group publicly discloses the content

of EIA documents for construction projects and submits them for review. The Group strictly

Sino-Platinum Metals Group has integrated a "green" culture into its development DNA implements the "Three Simultaneities" management requirements for environmental

established a sound energy and environmental management system improved its protection in construction projects regularly evaluates upgrades and maintains

environmental early warning mechanism and enhanced its environmental risk prevention environmental protection facilities to ensure their normal operation and effectively

and control capabilities. In 2025 the Group experienced no major sudden environmental prevents and controls environmental pollution and ecological damage.incidents environmental violations or environmental crimes leading to criminal penalties. Promotion of The Group has integrated green culture into the cultural construction of SPM enterprise.The theoretical learning center group of the Party Committee incorporates Xi Jinping's

Environmental Thought on Ecological Civilization into key topics to carry out expanded learning and

Protection Culture invites experts to interpret relevant policy requirements and promote the transformation of theory into green development practice. Grassroots party organizations learn through

"Three Meetings and One Lesson" thematic party days and other ways to study Xi

Environmental Compliance Management Jinping’s Ecological Civilization Thought. Open the column "Green and Beautiful SPM" to show the experience of the achievements of grass-roots greening construction and

give full play to the role of advanced typical demonstration. The article SPM ResourceCompany: “Green Business Card" of Polishing the Secondary Resource RecyclingManagement System Industry of Platinum Metals was reported by Xinhua.com Yunnan Daily and other media.The Group has incorporated its green strategy into the formulation of its "15th Five-Year Plan" development plan Launching the "SPM · Platinum Love Together" Volunteer Service Activity

and through multi-pathway synergies is comprehensively enhancing its capacity for green low-carbon and high-

quality development. The Group complies with environmental laws and regulations has established an Ecological and

Environmental Protection Management Committee with an office under it and has set up environmental protection On August 15 2025 Sino-Platinum Metals Group together with Xinyu Community launched the "SPM · Platinum

management institutions or specialist positions with dedicated personnel responsible for the Company's ecological and Love Together" volunteer service activity to promote and explain the concept that "lucid waters and lush mountains

environmental protection management. The Group has also formulated the "Work Plan for the Development of a 'Green are invaluable assets." At the event more than 30 volunteers distributed brochures to passing citizens introduced

and Beautiful SPM'" which deploys 11 specifi c tasks across three areas. the "August 15 National Ecology Day" and the 20th anniversary of the "Two Mountains" concept and encouraged

the public to strengthen their environmental awareness start with small daily actions and adopt a green and low-

carbon lifestyle.Environmental Management Targets and Achievement Status

Target 2025 Achievement Status

No major or above environmental pollution accidents

Achieved

for the year

100% compliance rate for pollutant discharge Achieved

100% compliance rate for solid waste disposal Achieved

CASE

100% implementation rate of the "Three

Achieved

Simultaneities" for project environmental protection Promoting The Group continues to promote green and low-carbon office measures such as video

conferencing and paperless office work to reduce resource consumption. It promotes

Green Offi ce green lighting using solar-powered street lamps in plant areas to save energy and

No major environmental penalties Achieved Practices resources. It continues to advance the development of smoke-free offi ce areas and smoke-free plant areas to create a healthy working environment. The Group persistently carries

out the "Clean Plate Campaign" resolutely refusing "food waste" and deeply implements

Environmental Risk Prevention and Control the "7S" management system——to create a clean tidy pleasant and comfortable offi ce environment in all respects. The Group also promotes green commuting scrapping old

vehicles and adding three new energy vehicles.Through qualitative and quantitative methods the Group analyzes the substances used and pollutants emitted in its

production operations assesses possible sudden environmental incidents and their impact on sensitive environmental

receptors in surrounding areas and determines risk levels. Based on relevant laws and regulations and the actual Sort Set in Shine Standardize Safety Self- Save

circumstances of each unit the Group has prepared emergency response plans for sudden environmental incidents and ?7S? management order discipline

fi led them with competent local authorities. During the reporting period all plans were valid.

26 27Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future for a Sustainable Future

Resource Conservation and Circular Economy

Energy Management Sino-Platinum Metals Group places emphasis on resource protection and rational use

continuously improving resource management effi ciency in its own operations. It develops

the circular economy vigorously promotes the development of the precious metals

Management The Group strictly complies with national and local energy management laws regulations resource recycling industry uses sustainable raw materials innovates resource recycling

and standards and has developed its energy management system. SPM Resources has technologies and promotes the use of recyclable packaging materials contributing to

System obtained energy management system certifi cation. Each unit has established a dedicated society's transition toward a more resilient economic system.energy management organization or full-time positions responsible for overseeing

system operation formulating and revising internal energy management systems and

systematically integrating system requirements into daily production scheduling. The

Group's primary energy sources include electricity diesel and natural gas. Water Resource Management

To achieve the goals of improving energy effi ciency and reducing both energy consumption

and costs the Group has set quantitative targets covering technological energy effi ciency

improvement total energy consumption control management optimization and green Management System Water Resource Management Targets

energy application ensuring the standardized and normalized operation of energy

management. The Group strictly complies with relevant national and

local laws regulations and standards has established Through enhanced control of circulating water reuse

dedicated water resource management organizations intelligent and refined management and organizational

or full-time positions systematically integrates water and institutional safeguards the Group systematically

resource management into daily production scheduling promotes water intensity control effi ciency improvement

Energy The Group implements the "Energy Conservation Management Measures" integrating

energy-saving and consumption-reducing measures into all aspects of production and and continuously formulates and revises internal

and emission reduction. It aims to achieve a year-on-year

reduction in water consumption intensity and increase the

Conservation operations. It continuously optimizes the energy mix reduces energy consumption and management systems to eliminate water waste. water recycling and reuse rate to over 90%.improves energy utilization effi ciency. In strict accordance with the catalog of eliminated

equipment and processes the Group conducts assessments and gradually phases out Water Conservation Measures

high-energy-consumption facilities and equipment.Through measures such as adopting advanced water-saving production processes like circulating washing technology

establishing water consumption quotas with regular assessments promoting water-saving fi xtures and improving pipeline

Clean Energy The Group deepens its industrial layout around renewable energy and green technologies network monitoring and leak repair the Group improves water resource recycling effi ciency. It strengthens water resource

continuously promoting energy conservation and consumption reduction. It is accelerating recovery and reuse returning partially treated wastewater (reclaimed water) that meets standards for fl ushing toilets and

Use the construction of distributed photovoltaic power generation projects at the Group's green irrigation in strict accordance with environmental impact assessment requirements. Saline wastewater generated

headquarters and the Majinpu Industrial Park while extending such projects to other from the deionized water system is used to prepare exhaust gas absorption liquid and for fl oor washing increasing the

subsidiaries based on their actual conditions. The photovoltaic power generation project wastewater reuse rate and reducing fresh water consumption.at the Yimen Circular Economy Industrial Park has been put into operation. The Group is

also exploring hydrogen energy storage technology to promote a green and low-carbon

energy transition. Circular Economy

Resource Recovery

The Group focuses on building a green closed-loop system of "resources – manufacturing – products – recycling"

strengthening green technology innovation and leading the industry's green transformation and circular economy

development. It improves the waste precious metal recycling system strengthens cooperation with downstream

customers and social recycling organizations expands its recycling network and enhances recovery rates. The Group

develops or introduces advanced resource recycling technologies and equipment to improve recycling efficiency and

quality. It collects sorts and processes general waste with recycling value generated from operations or consumption

such as waste paper waste plastic and scrap metal to restore or enhance their use value.Green Packaging

The Group has standardized packaging specifications to prevent the use of oversized boxes for small items. It

collaborates with logistics companies to promote the integration of product and transport packaging reducing secondary

packaging and achieving packaging reduction. Based on material characteristics the Group actively promotes and

applies standardized pallets recyclable and foldable packaging and reusable packaging boxes maximizing the recycling

and reuse of metal product packaging materials.

28 29Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future for a Sustainable Future

Green Industry Pollution Prevention and Ecological Protection

Precious Metals Accelerating Industrialization Development

Resource Sino-Platinum Metals Group actively carries out emissions management to reduce the

The Group is building a national strategic base for the recycling and utilization of platinum discharge of the "three wastes" (wastewater waste gas and solid waste) minimizing the Recycling group metal resources maintaining a domestic market share of over 30% for PGM environmental impact of its emissions. It promotes ecosystem protection strengthens

Industry recycling ranking first in China and far exceeding domestic mineral resource supply. biodiversity conservation and is committed to achieving harmonious coexistence between

The Precious Metals Secondary Resources (Phase II – Warehouse and Environmental the enterprise and the environment.Protection) and Precious Metals Secondary Resources Green Recycling (Dongying)

projects have completed completion acceptance and officially entered a new stage of

production operations with core production capacity accelerating. The Precious Metals

Secondary Resources (Phase II – Electric Arc Furnace) project has commenced full

construction injecting new momentum into high-quality industrial development. The

Domestic market share of Precious Metals Secondary Resources (Phase II – Inorganic Workshop) and Rare and

platinum group metals (PGMs) Precious Metals New Materials Manufacturing and Green Recycling Demonstration

Project are advancing as planned with sustained momentum for industrial development.recycling maintained at over Waste and Emissions ManagementDuring the "14th Five-Year Plan" period the Group cumulatively recovered 62 tons of

30 % PGMs 7094 tons of silver and 45 tons of gold representing year-on-year increases of 89.72% 131.35% and 1119.73% respectively.

Management System

Deploying Innovation Chains Around the Industrial Chain The Group continuously manages and improves its environmental performance striving to achieve closed-loop

management of waste gas wastewater and solid waste throughout the entire process from source prevention and

The Group has achieved breakthroughs in core technologies for the clean recycling of

secondary PGM resources. In areas such as material preparation and pyrometallurgical process control to end-of-pipe treatment. It has established an environmental protection organizational structure with

smelting hydrometallurgical and refining dissolution hydrometallurgical concentration clear responsibilities and hierarchical accountability and has set up dedicated environmental protection management

and production wastewater treatment it has realized the recycling and utilization of dust organizations or full-time positions responsible for comprehensively overseeing the operation and implementation of the

waste acid valuable metals and wastewater as well as the co-processing of waste system. The Group promptly formulates and revises internal management systems for waste gas wastewater and solid

residues achieving comprehensive utilization of production by-products. For example waste and systematically integrates system requirements into daily production scheduling and job operating procedures.refi ning waste residue is used to produce building materials maximizing resource value. It ensures long-term stable pollutant emissions that meet and exceed the latest national and local regulations and

standards. In strict accordance with environmental impact assessment (EIA) approvals and pollutant discharge permit

Automotive Advancing Industrial Layout requirements the Group ensures 100% compliance in the concentration rate and total volume of various waste gas and wastewater pollutant emissions. During the reporting period major pollutants characteristic pollutants and controlled

Exhaust The offi cial commissioning of Catalysis Dongying Line 2 is an important step in the phased substances under international environmental conventions were all treated as required achieving stable compliance with

Purifi cation construction of a 12 million liters/year automotive exhaust purifi cation catalyst production no exceedances. The Group strengthened pollutant emission monitoring and no environmental issues occurred that

base. The production line is flexible primarily manufacturing products for gasoline aff ected the health of employees or local community residents or led to air quality deterioration or water source pollution. Catalysts engines while also accommodating diesel engines with product specifi cations covering An environmental monitoring plan was developed and self-monitoring was carried out accordingly. Upon assessment no

mainstream market product types. During the "14th Five-Year Plan" period the Group major defi ciencies were identifi ed in the environmental monitoring plan or risk management measures.cumulatively produced 30.18 million liters of automotive catalysts a year-on-year increase

During the "14th Five-Year of 64.74%.Plan" period the Group

cumulatively produced

Advancing Core Product R&D Emission Reduction Actions

30.18 million liters

of automotive catalysts The Group str ict ly implements pol lutant discharge permit The Group has cultivated "SPM Premium" products such as "China VI Low-Precious-

a year-on-year increase requirements controls pollutant emissions strengthens emission Metal Gasoline Engine Catalysts" and "Gasoline Vehicle Catalysts for Diff erent Foreign

Regions" achieving breakthroughs in both technology and market for gasoline engine monitoring promotes stable compliance of waste gas and wastewater of64.74% catalysts. China VI gasoline engine technology continues to evolve with three-way emissions and ensures the standardized storage and transfer of

catalysts overcoming the challenge of low light-off temperature forming a full product hazardous waste. Pollution prevention and control facilities are

series. The Group pioneered MC high PN capture technology achieving differentiated designed constructed and put into operation simultaneously with the

and fl exible control with outstanding competitive advantages. For diesel engines it has main projects in strict accordance with EIA requirements maintaining

fi nalized highly stable low-precious-metal DOC technology taking the lead in implementing the normal operation of environmental protection facilities during

coating batch production processes and low-ammonia slip technology significantly production and operations. The Group adopts pollution prevention

enhancing product competitiveness. For China VI gasoline engines the Group achieved and control technologies appropriate to its production and operation

the fi rst mass production of the 33g solution while the 15g low-precious-metal solution scale such as three-effect evaporation physicochemical treatment

improved oxygen storage performance by 16% outperforming competitors. For China VII technologies and biological treatment technologies. Some units have

standards the Group has broken through challenges in low-temperature ammonia and

nitrous oxide emission control fi nalizing fi rst-generation China VII reserve technology and installed online monitoring equipment as required to conduct real-time

seizing fi rst-mover advantages in the industry. monitoring of pollutant emissions.

30 31Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future for a Sustainable Future

Waste Gas and Wastewater Emission Reduction Measures Noise Pollution Control

The Group regularly assesses the operational efficiency of waste gas and wastewater treatment facilities The Group actively promotes noise pollution prevention and control throughout its production and operation

deeply carries out upgrades and renovations of treatment facilities adopts high-efficiency treatment processes. It strictly approves sporadic construction within plant areas especially in noise-sensitive areas

technologies assigns dedicated personnel for management and strengthens facility inspection maintenance regularly inspects noise pollution situations and takes measures such as installing vibration-damping and noise-

and upkeep to ensure normal operation. By using low-pollution raw materials improving production processes reducing facilities and replacing equipment with quieter alternatives to reduce and eliminate noise complaints. It

and enhancing reclaimed water reuse the Group reduces waste gas and wastewater emissions at the source. It strengthens the control of construction noise from construction projects strictly controls construction hours and

inspects the drainage of rainwater and sewage pipelines in the Group's parks and promptly cleans septic tanks rigorously prevents construction noise from disturbing nearby residents.and rainwater/sewage manholes to ensure smooth drainage during fl ood seasons. SPM Catalysis carried out

special treatment for noise issues from the waste gas treatment system air compressor room and waste gas

fan room.Ecological Protection

Waste Treatment and Disposal

Biodiversity Conservation

In strict accordance with EIA approvals and pollutant discharge permit requirements the Group classifies

collects and stores various types of waste standardizes the hazardous waste transfer process and ensures The Group firmly establishes awareness of ecological red lines integrating ecological and environmental protection

that all hazardous waste and general industrial solid waste are properly and eff ectively disposed of. concepts into its production and operation activities such as project site selection and construction. Its production

activities services and products have not impacted the ecological balance or biodiversity of the localities where it

Hazardous Waste Treatment and Disposal operates. In 2025 the Group's production and operation activities did not involve key terrestrial or marine ecological

function zones ecological protection red lines nature reserves or other areas with important ecological functions or

The Group strengthens the management of non-hazardous waste such as construction waste and domestic sensitive/vulnerable ecological environments and did not impact ecosystems biological species and their habitats or

waste prohibits indiscriminate dumping ensures their classifi ed collection and centralized storage at designated biological genetic resources.locations and entrusts environmental sanitation departments with their regular removal utilization or compliant

disposal.Soil Pollution Prevention

Heavy Metal Pollution Prevention

The Group complies with the "Soil Pollution Prevention and Control Law of the People's Republic of China" and other

For precious metal materials involved in the production process such as gold and silver the Group has relevant laws and regulations. To address potential soil pollution from production activities it conducts regular monitoring

established strict systems to control precious metal losses adopts advanced and mainstream pollution of plant sites and surrounding land to ensure the safety and compliance of land use and prevent soil pollution. At industrial

prevention technologies and ensures that all waste containing precious metals is properly recovered and treated park construction sites the Group conducts real-time environmental monitoring and takes measures to reduce dust and

without causing environmental pollution. construction noise avoiding adverse impacts on surrounding areas.Heavy Metal Pollution Prevention

For precious metal materials involved in the production process such as gold and silver the Group has

established strict systems to control precious metal losses adopts advanced and mainstream pollution

prevention technologies and ensures that all waste containing precious metals is properly recovered and treated

without causing environmental pollution.Reduction of Hazardous Substance Use

In the preliminary planning stage the Group prioritizes the selection of new technologies processes materials

and equipment that are non-toxic (harmless) or low-toxicity (low-harm) to reduce the use of hazardous

substances. It conducts safety assessments and toxicity tests on raw and auxiliary materials selecting

products that meet environmental and safety standards to ensure the non-toxic or low-toxicity characteristics

of the materials used. In production processes the Group requires suppliers to provide Chinese manuals and

implements process controls to reduce potential risks to worker health and the environment.

32 33Society

In 2025the Group

凝 1newly selected Selected as one of

national-level talent the fi rst batch of talent

311new jobs

聚 demonstration projects createdin Yunnan Province and selected as one

美 of the second batch of 3provincially employer autonomy Total social certifi ed talents pilot units by the contribution Yunnan Provincial Party investment of RMB

好 Committee 1.56 million未来

Sino-Platinum Metals Group bears in mind the

responsibility of the "greaters of the nation" deeply

integrating its corporate development into the Responses to Sustainable

process of social progress. It implements practical

measures for people's livelihoods grows together Development Goals (SDGs)

with its employees achieves win-win cooperation

with its partners shares its achievements with

society and builds an open inclusive and

sustainable responsibility ecosystem. The Group

continuously gathers positive forces infusing the

vitality and warmth of the precious metals industry

into high-quality social development jointly painting

a bright future of mutual benefit and win-win

outcomes.

3435

for a Better Future

SharingEnvironment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Improving The Group has formulated and revised six policies and measures including the "Compensation Management Measures" and the "Overseas Work Allowance Management Measures"

Employee Development Compensation paying employee salaries on time and in full. Centered around the requirements for full-tier compensation transparency management the Group has advanced the preliminary and Benefi ts demonstration and project establishment of the compensation transparency system organized

and conducted research and laid the foundation for system development. It has guided

subsidiaries in the preliminary realization of the 2025 total salary budget advanced the

annual total salary fi ling and the advance payment of compensation for mid-level managers

Sino-Platinum Metals Group adheres to the philosophy that "talent is the primary establishing a more standardized transparent and effi cient compensation distribution system.resource" safeguards the legitimate rights and interests of employees implements the The Group has implemented a restricted stock incentive plan for senior executives and core

"Talent Strengthening Enterprise" strategy supports employee development builds talent setting strict performance assessment indicators to ensure alignment of incentive

diverse growth pathways and achieves mutual growth between the enterprise and its measures with the Group's strategic goals. It continuously improves the welfare management system implements basic benefi ts in accordance with laws and regulations promotes regular

employees. benefi ts such as health checkups work meals birthday and holiday benefi ts and establishes

medium- to long-term welfare mechanisms through enterprise annuities and supplementary

medical insurance providing comprehensive and stable security for employees.The Group strictly implements the work deployment of the State-owned Assets Supervision

Safeguarding Employee Rights and Interests and Administration Commission (SASAC) focusing on the issue of wage arrears for migrant workers by conducting in-depth special rectifi cation to eff ectively safeguard the legitimate rights

and interests of migrant workers. In 2025 the Group organized seven comprehensive surveys

and inspections and no wage arrears were found.Commitment to Equal Employment

Implementing The Group has improved its democratic management mechanism convened the First Session

The Group implements its "Labor Relationship Management Measures (Trial)" "Recruitment Management Measures" of the Second Employee Representative Congress adjusted the trade union setup of two

"Labor Dispatch Management Measures" and other requirements adhering to the principles of "openness fairness Democratic departments based on organizational restructuring and fully staffed trade union committee

competition and merit selection." It ensures information disclosure transparent processes and publicized results in members. It has revised the Group's trade union fund management measures and undergone

recruitment and talent acquisition eliminating any discriminatory restrictions based on race gender religious belief or Management special audits of trade union funds by higher-level authorities. The Group has established

nationality. The Group has established four recruitment channels: campus recruitment social recruitment targeted talent and improved employee grievance mechanisms in areas such as employee assessment and

recruitment and fl exible talent recruitment. It strictly implements a family avoidance system standardizes recruitment professional title evaluation established a performance appraisal grievance channel defi ned

file management and improves the accountability mechanism for irregular recruitment ensuring legal compliance the scope and time limit for accepting grievances and ensured the confi dentiality of grievance

hierarchical responsibility merit-based selection and job-person fi t. In accordance with the Group's actual circumstances information. Employees who disagree with performance appraisal results may file a written

it adopts diversifi ed employment forms in compliance with the law strictly signs labor dispatch agreements provides grievance with their respective units within the prescribed period. Professional title evaluations

flexible employees with state-mandated annual leave social insurance and housing fund ("five insurances and one are publicly announced in strict accordance with regulations with grievances and complaints

fund") and year-end performance bonuses. At the same time it requires employees to join trade unions in accordance accepted throughout the process and timely responses provided in coordination with relevant

with the law and organizes the conversion of dispatch employees to regular status according to prescribed ratios. The departments.Group adheres to equal pay for equal work prohibits child labor and any form of forced labor and eff ectively safeguards

the legitimate rights and interests of all employees. In 2025 311 new employees were recruited and the labor contract Caring for The Group follows the "Occupational Health Management Measures" and optimizes its

signing rate for new employees was 100%. occupational health and safety management processes. It promotes the adjustment and Employee optimization of the supplementary medical insurance plan toward a "short-term + long-term" combination. The Group conducts occupational safety risk identification and assessment

Health in areas such as production process and equipment layout emergency rescue facilities

had total employees on payroll occupational disease protection facilities personal protective equipment occupational health As of the end of 2025the Group management organizational structures and systems training and monitoring ensuring

2268 compliance with national occupational health regulations and standards. Each production and operation unit has completed its annual occupational health examination and annual

declaration of occupational disease hazard projects actively accepting government supervision

and social oversight. The Group cares for the physical and mental health of its employees by

holding mental health lectures. In 2025 the Group organized physical examinations for 1600

employees and arranged for 46 offi cials and staff to participate in various types of recuperation

and rest. No new occupational disease cases were reported.In 2025 the Group

organized physical

examinations for

1600 employees

Permanent contract Doctoral Associate degree R&D and technical Operations Production

employees 2119 degree 81 and below 831 personnel 605 management 91 operators 850

Dispatched Master's Bachelor's Professional Marketing and Operations

employees 149 degree 344 degree 1012 management sales personnel support

48515978

36 37Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Supporting Employee Development Strengthening Leveraging its role as the "chain master" of the precious metals industry the Group continuously expands high-quality internal and external training resources improves its

Employee training system and builds a talent cultivation chain for the industry. Focusing on diversifi ed course development in management skills and technology the Group has set up targeted

Implementing the "Talent Strengthening Enterprise" Strategy Training key class training and personalized empowerment training programs. Following industry trends the Group carries out special training programs. Through university-corporate

cooperation models it has organized "Innovation Management and Strategic Leadership

Enhancement Seminars" for offi cials and hosted the "Yunnan Provincial Industrial Leading

High-Level The Group participated in major talent recruitment events such as the "International Talent Exchange Talent Advanced Seminar" and the "Advanced Seminar on the Transformation Upgrading Conference" and the "Three-Year Action Special Recruitment for Doctoral Students" organized by

Talent and Digitalization of the Rare and Precious Metals New Materials Industry" commissioned the Provincial Party Committee Organization Department and the Provincial SASAC and conducted by the Provincial Department of Human Resources and Social Security strengthening talent

Recruitment targeted outreach at key universities including Central South University Nanjing University and cultivation in the precious metals industry. The Group continues to carry out regular training

and Chongqing University. Focusing on solving critical key and core technologies in high-end advanced for professional and technical personnel and promotes on-the-job education advancement

Cultivation materials and key core technologies in green industries the Group recruited 18 doctoral students and

1000 programs. In line with digital construction the Group continues to develop the "SPM 10 master's students for joint research initiatives. Over online Classroom" online learning platform independently developing 14 specialized courses on

topics such as professional ethics and craftsmanship spirit with over 1000 online training

In 2025 Sino-Platinum Metals Group training participations participations annually broadening on-the-job continuing learning channels. In 2025 the

annually Group selected 9 outstanding scientific and technological leading talents and innovation teams for cultivation and recommended more than 30 core talents to pursue engineering

master's and doctoral degrees.Recruited 19 young 1newly selected national- Recommended1 candidate for the 2025 Chinese

doctoral and market- level talent Academy of Engineering academician election and1operations management talent for the "Xingdian Talent

oriented talents Award" recommendation process of the Provincial SASAC

Recruited 35 master's 3provincially certifi ed 16% Recommended 55 candidates for

degree holders and talents national and provincial key talent projects a

"Double First-Class" year-on-year increase of 16%

bachelor's degree

holders Including 1 newly selected 22 selected for talent for the National programs such as the

Recruited 24 doctoral Special Talent Provincial Xingdian Support Program Talent Support Program

talents

As one of the first batch of pilot units for "enterprise talent recruitment and cultivation" in Yunnan

Province the Group recruited 3 outstanding graduates for training and development in its subsidiaries.It continues to carry out the selection and appointment of "deputy chief scientists and engineers"

Talent Platform appointing 3 such individuals. The Group has built a platform integrating "discipline + scientifi c research From November 16 to 28 2025 Precious Metal Group hosted the "Yunnan Provincial Industrial Leading Talent Advanced Seminar" and the

Development + industry" improved its independent professional title evaluation system and established a "Modern "Advanced Seminar on the Transformation Upgrading and Digitalization of the Rare and Precious Metals New Materials Industry" building a

Apprenticeship Teaching Pilot Base" and a Modern Industrial College for Rare and Precious Metals. platform for learning and exchange for industrial talents and senior professional and technical talents in the province.In 2025 the Group was recognized as a Leading High-Tech Enterprise in Yunnan Province. It was

successfully selected as one of the first batch of talent demonstration projects in Yunnan Province

receiving an excellent rating and RMB 700000 in project funding support. It was also shortlisted for the

provincial-level project establishment list for new doctoral degree-granting units in Yunnan Province. Clearing The Group has improved and perfected a job rank development channel with six horizontal sequences and 16 vertical levels establishing a career development path that

Development simultaneously advances management technical and skills tracks enabling employees to

The Group has established a "talent service steward" mechanism to provide full-process service support develop both vertically and horizontally. In accordance with the "Measures for the Separation

Talent Service for talents at all levels of the Group. In 2025 talent project funding and living subsidies totaling RMB Pathways of Rank-Based Compensation and Position Performance" each unit sets positions based

Support 8.29 million were secured and 20 talent apartments were applied for young recruited talents with RMB on its actual circumstances. The professional and technical rank is divided into four sub-

250000 in subsidies obtained. sequences: professional management production technology research and development

1 and marketing. The skilled operations rank is divided into two sub-sequences: production Deepening the Reform of the Industrial Worker Workforce Development The Group received processing and production support. There are a total of 16 levels in the position and rank

"National Model Worker" and sequences from highest to lowest. The Group actively promotes the eff ective integration

The Group conducts skills competitions for analysis and "Yunling Model" of professional titles with vocational qualifications and skill level certification systems

testing positions to effectively enhance the technical supports highly skilled talents in participating in professional title evaluations and vocational

capabilities of personnel involved in analysis and qualification examinations encourages professional and technical talents to participate

testing and deepens the reform of industrial worker in vocational skill assessments builds an "overpass" for the growth of both professional/

workforce development. It carries out "Seven Small" 2 provincial "May Day Labor technical and skilled operational talents breaks down the barriers between professional title

employee initiatives building a platform for industrial Medals"

workers to excel and contribute. Over 137 "Seven Small" evaluation and vocational skill assessment and broadens the upward channels for technical

suggestions and 合 理 化 建 议 were collected annually and skilled talents. The Group strengthens the value orientation of talent evaluation deeply

promoting green technological transformation. The Group 1 fi rst prize in the linking the results of excellence selections and talent project evaluations with the actual

has established a new mechanism for cultivating versatile interests and career development of talents thereby broadening career development

young offi cials launching the fi rst batch of young doctoral In September 2025 37 trade union offi cials and frontline industrial workers

Provincial Youth Science

spaces. In 2025 the Group received one "National Model Worker" and "Yunling Model" two

training and development work and selecting 7 young from Precious Metal Group participated in training on the reform of and Technology Innovation industrial worker workforce development and trade union work. Provincial "May Day Labor Medals" and one fi rst prize in the Provincial Youth Science and

doctoral candidates to be stationed at subsidiaries for Commando Competition Technology Innovation Commando Competition.practical experience.

38 39Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Caring for Employees Promoting Workplace Safety

The Group deepens the construction of "Employee Homes" and implements the "Three Hearts" Employee Care Program

to warm ease and soothe employees' hearts. Improving the Governance System

The Group has established safety and health as priorities in its corporate strategy fully integrating them into corporate

"Heart-warming" Initiative "Heart-easing" Initiative “heart-soothing” Initiative governance and core decision-making processes. It has established and improved occupational health and workplace

safety management mechanisms under the unified leadership of the Group's Committees for Workplace Safety

The Group has deeply advanced The Group strengthens care The Group understands Ecological and Environmental Protection Fire Safety and Occupational Disease Prevention. The Group continuously

the "I Do Practical Things for the and daily support for sick employees' living conditions carries out standardization work for workplace safety and occupational health management promptly revising and

People" initiative addressing and fi nancially struggling and ideological states provides improving relevant management measures to further optimize management processes and improve work effi ciency and

urgent issues such as the employees regularly visiting various guarantees for those management standards. It continuously enhances its own safety management level and promotes the implementation

compensation and benefi ts of them. It coordinates high- working in diff erent locations of responsibility for occupational health and safety management with 7 units that have established occupational health

dispatched employees and the quality educational resources to and maintains the stability of the and safety management systems operating continuously and eff ectively. The Group strictly implements the workplace

schooling of employees' children address the school enrollment of employee workforce. It has built safety responsibility system completes the signing and assessment of annual safety and environmental responsibility

solving a total of 58 practical employees' children. The Group the "Charming SPM" series brand agreements on time and forms closed-loop management. It has officially launched an EHS information system

problems. Upholding the original has run two sessions of childcare and organized mass cultural completed domestic environment adaptation testing and submitted a Qualifi ed report and successfully passed project

aspiration of "serving veteran classes eff ectively solving the and sports activities such as employee sports meets Spring acceptance. In 2025 the Group experienced no major or above workplace safety accidents received no safety-related colleagues and harnessing the problem of unattended children Festival long-distance runs administrative penalties and achieved the workplace safety targets set at the beginning of the year.power of the silver generation" of employees. In 2025 the Group basketball games employee

the Group has established a visited and cared 210 employee spring and autumn outings

dynamic information database households spending RMB "Scholarly March 8th" reading Strengthening Specialized Governance

with "one fi le per person" for 179800 on care funds. shares parent-child reading

veteran colleagues providing and "Our Festivals" traditional The Group strengthens safety control of hazardous chemical warehouses and fully implements the Group's full-process

them with convenient services cultural activities. The Group has supervision mechanism for hazardous chemicals. It organizes thematic exchange meetings on hazardous chemicals

such as policy consultation and also organized employees to mechanical injuries chlorine use and internal reporting of potential hazards to enhance management capabilities in

benefi ts application and promptly participate in Yunnan Provincial specialized areas. It guides subsidiaries in iteratively optimizing the dual prevention mechanism and standardizing the

responding to and resolving their workplace exercises (Baduanjin) "Three Simultaneities" management for project safety and environmental protection. It promotes the annual certifi cation and

concerns. competitions weekend volleyball review of principal responsible persons and safety management personnel. It ensures full coverage of three-level safety

leagues and the "Red Land Song" education for new hires transferred employees dispatched employees and interns and establishes corresponding fi les.speech contests creating a green

healthy and uplifting atmosphere.Safety Management of Metal Products

Transport Safety Management: Based on the shape and weight of metal products the Group selects

appropriate vehicles and protective securing equipment accurately calculates loads and strictly prohibits

overloading. It provides special training for drivers and escorts. During transport it monitors vehicle status in

real time and develops comprehensive emergency plans to ensure transport safety.Metal Surface Safety Management: In metal surface chemical treatment processes the Group adopts

measures such as enclosure exhaust purification acid mist suppression and spraying. It supervises and

guides workers to correctly wear and use labor protective equipment in accordance with usage rules to ensure

operational safety.Hazardous Chemical Safety Management

The Group continuously promotes full-process safety governance of hazardous chemicals improving

systems and operating procedures in all links including warehousing storage use transport and disposal

strengthening training and regular inspections and building a comprehensive and effi cient hazardous chemical

safety management system.Vehicle Safety Management

The Group strengthens special inspections of vehicles and drivers continuously conducts driver safety

training and new energy vehicle skills training and performs random alcohol testing. In 2025 the Group

conducted 4 spot checks on the vehicle management of subsidiaries and 2 spot checks on the Suspended of

offi cial vehicles at headquarters and subsidiaries during major holidays.In November 2025 Precious Metal Group organized its 2025 Employee Sports Meet.

40 41Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Improving Safety Emergency Response Customer Service

In accordance with relevant laws and regulations and based on its actual circumstances the Group has prepared

corresponding emergency response plans for workplace safety incidents and fi led them with competent local authorities.All plans are valid. Centered around activities such as "Workplace Safety Month" "Fire Safety Publicity Month" and the

"Safe Production Cup" competition the Group has conducted emergency drills covering earthquakes mechanical injuries Sino-Platinum Metals Group with its mission of "developing the new materials industry

fi res and hazardous chemical leaks strengthening its emergency response capabilities. In 2025 the Group conducted a and serving high-quality human life" actively expands the application of precious metals

total of 51 emergency drills. and representative new strategic fi elds. It continuously strengthens product quality control

improves its customer service system and is committed to providing customers with high-

quality products across the entire industrial chain and full-lifecycle services.Conducting a Series of Fire Emergency Evacuation Drills

In June 2025 subsidiaries and departments of Sino-Platinum Metals Group organized a series of fire emergency Focusing on Core Responsibilities and

evacuation drills simulating various major safety accident scenarios. Through these drills the Group further improved

its emergency response plans and enhanced the safety awareness and emergency response capabilities of its Main Businesses

employees and offi cials. Promoting Industrial Upgrading

The Group has planned an industrial layout of "One Headquarters Multiple Parks Two

Platforms and 1+N Centers" resolutely implementing the provincial Party committee

and government's requirements to strengthen and expand the rare and precious metals

industry and fully advancing the implementation of industrialization projects. In terms of

innovation platform construction projects the provincial laboratory construction project

has completed preliminary site preparation and production guarantee renovation work.Regarding the construction of precious metals new materials manufacturing bases

the main structure construction of the Majinpu Industrial Park (Phase II) workshop is

progressing smoothly the fi rst phase of the Gold Electronic New Materials Production Line

project in the Dianzhong New Area has been completed and the "12 million liters/year

Automotive Exhaust High-Efficiency Catalytic Conversion Technology Industrialization

Construction Project" in Dongying Shandong is advancing in an orderly manner.Group Headquarters SPM Metals SPM Electronics SPM SPM Resource conducted a fi re emergency drill for rhodium pac Regarding the construction of a national strategic platinum group metal resource recycling

Semiconductor SPM Gold and SPM Industrial Catalyst conducted (Rh-PAC) leakage. industrial base the fi rst phase of the Precious Metals Secondary Resources Enrichment

fi re evacuation emergency drills and Regeneration Modern Industrial Base project has achieved trial production.CASE

Further Reading

Deepening Hidden Hazard Identifi cation One Headquarters Multiple Parks Two Platforms 1+N Centers"

The Group has woven a dense network for hidden hazard identification. Relying on its EHS information system and With Kunming as the headquarters the Group has laid out multiple industrial parks including Kunming Headquarters Majinpu Dianzhong New Area Shanghai Sheshan

integrating various means such as pre-holiday inspections post-work-resumption inspections daily inspections and and Dongying Shandong. It is building two major innovation platforms forming a

special tackle tough challenges actions it maintains a high-pressure situation for the identification and treatment of "1+N" multi-location coordinated industrial development pattern.hazards in key areas ensuring safe enterprise operations. In 2025 the Group rectifi ed a total of 953 hidden hazards with

all hazards either rectifi ed immediately or addressed through a checklist-based closure system.Building an Excellent Brand

Cultivating a Safety Culture The "SPM" brand is a signifi cant achievement of Precious Metal Group's brand building. 2025 The Group vigorously implements the "SPM Premium" project providing support for the

development of its series of identifi ed "fl agship products" to further improve product quality.SPM Premium products

The Group has solidly advanced the development of a safety culture by compiling a safety culture manual formulating It continues to advance the three-year action plan for the SPM Premium project revising the achieved sales revenue of "Implementation Plan for Building SPM Premium" and the "Management Measures for SPM a safety culture plan developing safety culture training courseware and producing safety culture promotional videos. It Premium." The Group organized the second batch of 14 SPM Premium product evaluations

has organized special seminars "Everyone Talks About Workplace Safety" activities and centralized viewings of safety RMB29.4 billion a year- and signed three-year assessment indicators with each production and operation unit. It has

warning education fi lms achieving full coverage of learning and publicity. The Group has organized interactive activities on-year increase of 31% established a regular promotion mechanism requiring 2 units to report on their progress in

such as "Take a Photo of Hidden Hazards" effectively stimulating the enthusiasm of all employees to participate in building SPM Premium products each month. Leveraging the Group's offi cial WeChat public account it has promoted 34 SPM Premium products in phases eff ectively enhancing the

safety management. It has conducted safety skills competitions and through measures such as hanging safety slogans brand's industry infl uence and building consensus on the development of SPM Premium

pushing knowledge through online platforms and displaying information on offl ine bulletin boards has built a favorable products. The Group is the only enterprise in China to have simultaneously obtained three

public opinion environment where all employees pay attention to and actively participate in safety development. In 2025 qualifications from the Guangzhou Futures Exchange: platinum and palladium delivery

the Group conducted a total of 217 various types of safety training sessions. brand delivery warehouse and designated inspection agency. In 2025 SPM Premium products achieved sales revenue of RMB 29.4 billion a year-on-year increase of 31%.

42 43Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

National Defense Industry Environmental Protection

Product Quality Management

Governance

Based on industry characteristics market demands and its own needs and in accordance with advanced domestic and

international standards such as GB/T 19001 and IATF 16949 the Group has established and continuously improves

Metal Layered Composite Strip Plug-in Hybrid Electric Vehicle (PHEV) Exhaust Purifi cation Catalyst its quality management system. For each process necessary management systems have been established to ensure

process operation through process control thereby meeting customer requirements. Clear quality policies and objectives

have been established to ensure understanding and implementation by all employees. Business processes are optimized

quality standards are strictly adhered to and errors and waste are reduced. Human fi nancial and material resources are

scientifi cally allocated quality training is conducted and the quality awareness and skills of all employees are enhanced.Relying on audit assessments and customer feedback the Group promotes continuous improvement of the system.Silver-Copper Alloy Powder Standard Palladium Ingot

Quality Management System Organizational Structure

Precious Metal Conductive Ring Materials for High-End Equipment Standard Platinum Ingot General Manager

Deputy General Manager

Iridium Electrodes for Aircraft Engine Ignition Platinum Paste

New Energy Chemicals Life and Health Next-Generation Information Technology

Administration Human Finance Operations Metal Science and Production Testing Relevant

Offi ce Resources Department Support Management Technology and Center Business

Department Center Center Department Operations Divisions

Department

Cyclohexane Dehydrogenation Catalyst Medical Head Electrode Low-Temperature Silver Paste

In 2025 SPM Bio obtained ISO 13485 certifi cation continuously improving its quality system to meet the requirements of

the high-end medical industry. SPM New Energy Technology (Shanghai) Co. Ltd. and SPM Powder Materials (Shanghai)

Co. Ltd. obtained ISO 9001 quality system certifi cation.Silver-Based Electric Vacuum Solder Medical Developing Ring / Medical Marker Ring Tetraamminepalladium(II) Sulfate

44 45Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Strategy Product and Service Quality Opportunities

Product and Service Quality Risks Risk Risk Impact Value Chain Potential Impact / Response Category Description Timeframe Segment Financial Impact Strategy

Risk Risk Impact Value Chain Potential Impact / Response Brand Premium High-quality products Medium to Operations Build diff erentiated · Focus on the high-end market

Category Description Timeframe Segment Financial Impact Strategy & Market and services are the long competitive and establish a quality label of

Competitiveness most direct diff erentiating advantage; enhance "high precision high stability high

Opportunity advantage enabling brand infl uenc reliability"

Violation Products failing to meet Short to Operations Product recall · Establish a compliance enterprises to achieve · Launch high-end customized

of quality mandatory national/ medium Downstream costs production standards library covering all brand premiums above product series and establish a clear

standards industry standards suspension product lines dynamically track the industry average

may result in fi nes quality premium pricing strategylosses business updates to national/industry

from market regulatory stagnation risk mandatory standards and

authorities product ensure full-process compliance in

recalls production production and testing Market Access Products that meet Short to Operations Reduce market · Benchmark against quality

suspension and · Establish a special compliance & Expansion stringent quality standards medium Downstream expansion costs standards for government

rectifi cation and audit process; new products must Advantage fi nd it easier to enter high- procurement and large enterprise

in severe cases pass compliance verifi cation end markets government supply chains completing access

revocation of production before market launch procurement and large certifi cations in advance

qualifi cations enterprise supply chains; · Establish a dedicated market

a strong service reputation

Services failing to meet expansion team leveraging existing Lack of Short to Operations Increased litigation helps enterprises quickly

service the performance and

high-quality customer referrals for

medium Downstream costs brand · Strengthen legal training for expand into new regions

compliance after-sales requirements customer service teams focusing

introductions reducing customer

reputation risk and customer segments

of the "Consumer Rights on clauses related to product acquisition costs

Protection Law of the quality liability in the Consumer

People's Republic of Rights Protection Law and the Effi ciency Improving quality through Short to Operations Reduced non- · Promote Total Quality Compliance China" and the "Civil Code Civil Code Optimization methods such as lean long conforming product Management (TQM) with full

& Legal Risk of the People's Republic of · Establish a pre-dispute & Cost Saving production Total Quality scrap rate; lower employee participation in quality

China" may easily lead to mediation mechanism; upon Opportunity Management (TQM) and total operating costs improvement establishing a quality

consumer litigation receiving customer complaints Six Sigma can reduce cost accounting system

prioritize resolution through the "cost of poor quality" · Introduce Six Sigma management

negotiation to avoid litigation including rework scrap methods carrying out quality

escalation and after-sales repairs improvement projects focused

on core production processes to

reduce key defect rates

Liability Product quality defects Short to Operations Exposure to · Strengthen full-process quality

recovery risk causing personal injury medium Downstream administrative control implementing multi- · Optimize production processes dimensional checks from raw

or property damage to penalties risk of reduce redundant steps and material procurement and

consumers may result customer loss improve production effi ciency and production processes to fi nished

in civil compensation product testing controlling quality stability

administrative penalties product defect rates

and even criminal liability

for the enterprise; · Establish a major quality Supply Chain Selecting suppliers based Medium Upstream Reduced risk · Establish a supplier quality rating accident emergency response

customer losses caused Synergy on quality promoting term of production system using quality performance mechanism; upon receiving

by service errors may also Upgrade upstream enterprises interruptions; as a core cooperation indicator and customer reports of losses

trigger high compensation promptly conduct loss to improve quality deepened phase out low-quality suppliers

payments assessment cause investigation standards forming a partnerships · Sign quality collaboration

and emergency response stable supply chain agreements with core suppliers

quality system reducing jointly carry out R&D for raw

raw material defect rates material quality improvement and

and improving production

Reputation Exposure of quality issues Short to Operations Risk of customer share quality inspection data· Establish a quality public effi ciency

risk may trigger a public long Downstream loss increased opinion monitoring mechanism

opinion crisis consumer brand restoration tracking relevant reports on social

boycotts and negative costs market exit media and industry media in real

social media amplifi cation time and responding quickly to Digital Quality Using AI big data and Short to Operations Improved quality · Build a digital quality control Reputation & directly leading to a sharp negative public opinion Control other technologies to medium monitoring platform integrating production

Market Risk decline in sales; brand achieve real-time quality effi ciency; enhanced inspection and after-sales data to · In the event of quality

restoration is a long and monitoring improve quality control achieve full-process traceability issues communicate openly

costly process and some and transparently at the fi rst quality control effi ciency precision · Deploy AI vision inspection

enterprises may even exit opportunity proactively disclose and reduce human error equipment and IoT sensors in core

the market as a result corrective measures and seek production processes to monitor

understanding from customers product quality parameters in

and the public real time and automatically alert

anomalies

· Use big data to analyze quality

Risk of In homogeneous Medium to Operations Declining · Improve after-sales response fl uctuation patterns anticipate

Customer customer competition quality long Downstream revenue effi ciency reduce average

loss and loss incidents may drive declining

potential quality risks in advance

response time and further and achieve preventive control

customers to competing profi tability increase the problem resolution

substitution products; poor service rate · Digitize after-sales service

risk experience may reduce enabling customers to query

customer repurchase · Regularly conduct customer satisfaction surveys and optimize product warranty and repair records

rates and undermine product quality and services in a in real time through the system

long-term customer targeted manner improving service experience

value

46 47Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Improving the Service System

Risk Impact and Opportunity Management

Responsible Marketing

Quality Risk Identifi cation and Assessment The Group implements the "Corporate Integrity Management Control Procedure" committing that all products sold are

free from infringement counterfeiting inferior quality and prohibited sales and resolutely avoids false information and

misleading content building an image of an enterprise operating with integrity. It improves information communication

The Group carries out product quality risk identifi cation and assessment establishes a systematic and mechanisms promptly publishes and updates information and ensures information timeliness. It continuously strengthens the protection of consumer safety rights and interests carries out product quality risk identification and

comprehensive product quality identifi cation mechanism and applies scientifi c and eff ective quality risk assessment establishes a systematic and comprehensive product quality identifi cation mechanism applies scientifi c and

assessment methods to enhance its ability to anticipate and prevent quality risks. It implements full- eff ective quality risk assessment methods and provides safety education and warnings instruction manuals warning

process full-lifecycle risk control over design procurement production and sales ensuring product labels etc. to prevent risks arising from improper operation or use.consistency and safety and preventing the circulation of non-conforming products. It provides consumers

with safety education and warnings instruction manuals warning labels etc. to reduce the risk of After-Sales Service

improper operation and misuse. The Group has built a rapid response system and implements the "Quality Information Management Standards" and

"Rapid Response Management Standards." Through a remote + on-site model it promptly receives processes and

transmits customer information and provides after-sales service. Leveraging its core business of precious metals

new materials manufacturing it provides supporting precious metals resource recycling and supply services off ering

Quality Risk Classifi cation and Control customers one-stop comprehensive services improving resource utilization rates and reducing environmental impact.The Group discloses service information such as warranty policies service channels and response times strengthens

technical and service awareness training for after-sales service teams and enhances professional service capabilities. It

regularly conducts customer satisfaction surveys covering after-sales service to continuously improve service levels.The Group has established a tiered emergency response mechanism for major liability accidents

clarifying division of labor ensuring smooth information communication and ensuring timely and updated Handling Customer Complaints

information release to avoid information distortion. It maintains a "zero tolerance" policy for major quality

The Group has established standardized response procedures for quality incidents customer complaints and grievances

and safety accidents establishes a transparent and effi cient prevention and response mechanism and to prevent the escalation of impacts and losses. It collects analyzes improves tracks and verifi es relevant information

promotes continuous closed-loop improvement of the management system. strictly implements the "Customer Communication Service Management Procedure" to maintain communication

with customers. Compensation matters are resolved through negotiation based on the severity of the incident and in

accordance with contracts agreements or laws and regulations and through judicial channels when necessary. In 2025

the customer complaint resolution rate was 100%.Quality Hazard Identifi cation and Treatment Data Security and Customer Privacy Protection

The Group carries out product quality hazard identification to promptly discover and eliminate quality The Group implements system standards such as the "Information Management Measures" and "Network and

hazards. It has formulated the "Quality Information Management Standards" "Rapid Response Information Security Management Standards" as well as work detailed rules including the "Network Security Work

Management Standards" and "Customer Communication Service Management Procedures" establishing List" and "Network Security Emergency Support Plan" establishing a network and data security management

a closed-loop mechanism covering proactive recall of defective products standardized complaint handling system. It carries out information infrastructure construction in accordance with the national "Classifi ed Protection 2.0" requirements. It has deployed software and hardware security platforms such as network firewalls threat

and two-way after-sales communication. For defective products the Group executes recalls proactively situational awareness internet behavior management vulnerability scanning log auditing and endpoint security

discloses information promptly contacts customers and assumes corresponding responsibilities management. The Group conducts regular and irregular network and data security inspections actively participates

eff ectively safeguarding consumers' right to know and right to compensation. It has established a dual- in the "Yunling Network Security 2025" network protection activities and the "Data Security Shield" emergency drills

track after-sales system covering remote support and on-site service continuously enhancing team comprehensively strengthening data security and personal information protection mechanisms. In 2025 the Group

professional capabilities through regular technical training and service awareness improvement. In 2025 experienced no network paralysis or data leakage incidents. Three systems passed the national Classifi ed Protection Level 2 certifi cation and fi ve systems or platforms obtained national computer software copyright registrations.the Group achieved a 100% recall rate for problematic products.Data Security Customer Privacy

Indicators and Targets Protection

The Group effectively safeguards customer privacy rights and interests strictly maintains information

confi dentiality throughout the entire service process and prevents customer information leakage. It has built a

multi-layered customer information security protection system with role-based refi ned access control ensuring

Product qualifi cation rate99.07% Quality target achievement rate100% that data is only accessible to necessary positions defi ning the scope and boundaries of various data collections

In 2025 and prohibiting the acquisition of unnecessary information through default authorization or bundling. It promotes

the Group No incidents of production or operation activities endangering customer health data localization storage and transmission mechanisms to physically reduce the risk of leakage. The Group

requires all suppliers to sign binding data confi dentiality agreements clarifying their privacy protection obligations

and safety and liability for breach of contract and regulating their data processing behaviors through contract terms. For

connected third-party systems it conducts special security assessments to ensure they meet corporate privacy

protection standards. In 2025 no customer privacy leakage incidents occurred.

48 49Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

The Group has formulated the "Supplier Management Measures" adhering to the principles

of "registration review access approval evaluation and assessment" and strengthening

Partner Responsibility Over 1400 Newly supplier management from multiple dimensions. Based on full lifecycle supply chain management it continuously improves the dynamic management system covering the

Registered Suppliers entire process of supplier access assessment grading and exit. Assessment dimensions

Through the "Transparent have expanded from single qualifi cation review to comprehensive evaluations of business

Procurement Platform" reputation performance capability product quality and service level optimizing the supplier

Sino-Platinum Metals Group adheres to integrity in business operations implements structure through survival of the fittest and steadily achieving the transformation and

transparent procurement builds a responsible supply chain and strengthens supplier Total number of suppliers upgrade from "traditional decentralized procurement" to "supply chain management." In 2025 the Group joined as a founding initiator of the China Supplier ESG Rating Platform

ESG management. It expands the scope of cooperation works with partners for mutual exceeded 8000 demonstrating its pioneering and exemplary role in the field of supplier ESG practices. benefi t and win-win outcomes and promotes industry development. Through the "Transparent Procurement Platform" over 1400 new suppliers were registered

and the total number of suppliers exceeded 8000. There were 1129 newly approved

1129 newly approved suppliers 28 qualified equipment suppliers screened and 11 qualified construction

contractors assessed and certifi ed.suppliers

Building a Sustainable Supply Chain Ensuring Supply Chain Security

Driven by the dual drivers of "business + technology" the Group focuses on solving

Focusing on the procurement supply chain the Group continuously deepens management reforms. By precisely the problem of single-source procurement promoting cost reduction and efficiency

optimizing procurement strategies strengthening digital platform support and improving management systems and improvement in procurement. At the procurement business level under the leadership

mechanisms it comprehensively enhances procurement operational effi ciency and supply chain risk control capabilities. of the Property Rights Department of the Yunnan Provincial SASAC it actively connects

Through refined management as a foundation standardized processes to improve quality and digital empowerment with the provincial property rights exchange centralized procurement platform gradually

to increase effi ciency the Group promotes the development of its supply chain system toward greater standardization achieving data integration between the Group's Transparent Procurement Platform and

effi ciency and sustainability. the provincial centralized procurement platform reducing costs through the expansion of

supplier channels the establishment of long-term cooperative relationships and healthy

Implementing Transparent Procurement price competition. At the technology development level addressing the pain points of

single-source procurement within the Group the Group makes unifi ed plans and requires

The Group has formulated and revised the "Bidding and Procurement Compliance Guide" the technology and R&D teams of each operating entity to accelerate the development

and the "Bidding and Procurement Management Measures" comprehensively regulating the of B and C point suppliers for raw materials auxiliary materials and equipment breaking

entire chain of bidding and procurement activities and establishing a full-cycle closed-loop single-source dependencies and incorporating development results into the team's annual

management mechanism. It has deeply carried out special compliance training on "Bidding assessment. The Group continuously improves the digital collaboration capability and

and Procurement Management of State-Owned Enterprises in the Context of New Situations" data interoperability level of the procurement platform strengthens the transparency and

comprehensively enhancing the risk prevention capabilities of all employees in bidding and response effi ciency of all links in the supply chain systematically identifi es and assesses

procurement and promoting quality improvement and effi ciency enhancement in bidding and potential risks in each link formulates targeted response strategies and deeply integrates

procurement work through standardization and compliance. It conducts risk investigations in ESG management requirements into the entire process of procurement production and

the bidding and procurement fi eld identifying risk points prevention and control measures and logistics. It builds a modern supply chain system that is "safe and reliable agile and effi cient

responsible entities. and green and low-carbon" signifi cantly enhancing its ability to withstand external risks and

through technology sharing and capacity output empowers the coordinated development of

Leveraging two digital platforms—the "Transparent Procurement Platform" and the "JD Catalog the upstream and downstream industrial chain.Mall"—the Group deeply integrates multiple procurement models fully achieving standardized The procurement

procurement processes maximum efficiency and optimal costs. It has promoted the large- approval cycle has

scale expansion of user licenses for the "Transparent Procurement Platform" and its integration been compressed by Modern Supply Chain System

with the ERP system as well as the expansion of the "JD Catalog Mall" building a one-stop

procurement matrix covering high-frequency essential categories such as office supplies 15.00% year-on-

hardware tools equipment consumables and labor protection products meeting diverse year

procurement needs. Relying on the deep synergy and data empowerment of the two platforms

the procurement approval cycle has been compressed by 15.00% year-on-year and supplier Supplier response Safe and Agile and Green and

response efficiency has increased by 20.00%. When suppliers register on the "Transparent effi ciency has Reliable Effi cient Low-Carbon

Procurement Platform" they are required to sign the "Transparent Procurement Platform increased by

Supplier Registration Service Agreement" which explicitly requires that suppliers must not use

the platform for illegal or criminal activities such as money laundering theft of trade secrets 20.00%

or theft of personal information; must not infringe upon others' copyrights trademark rights Confl ict Minerals Management

or other intellectual property rights in any form; and must not violate the privacy security of

individuals or the public. For the mineral supply chain in conflict-affected and high-risk areas the Group strictly

Strengthening Supplier Management follows the internationally recognized "Responsible Mineral Supply Chain" framework applying a due diligence management system to identify prevent and mitigate various

risks in mineral procurement including potential armed confl ict human rights violations

The Group explores the establishment of a group-level strategic alliance of core suppliers guides subsidiaries in and corruption. It clearly commits not to participate in mineral trade that fuels conflict

establishing and improving their supplier systems and simultaneously advances the development of backup suppliers to violates human rights or involves corruption and strictly adheres to international

enhance supply chain resilience. It continuously increases the reverse and expansion of supplier resources forming a guidelines such as the OECD "Due Diligence Guidance for Responsible Supply Chains of

supplier ecosystem network covering multiple areas such as raw material procurement equipment supply engineering Minerals from Confl ict-Aff ected and High-Risk Areas" and the UN "Guiding Principles on

construction and social services laying a solid resource foundation for the stable operation of the supply chain. Business and Human Rights."

50 51Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Deepening Cooperation and International Development

Strengthening Strategic Cooperation Advancing Overseas Compliance Development

The Group consistently adheres to the development philosophy of open collaboration and value sharing actively building The Singapore subsidiary takes full account of the local multicultural context. While

an effi cient cooperation network with partners across the upstream and downstream of the industrial chain. It strengthens satisfying the domestic regulatory system it has revised and improved its internal

industry exchanges and mutual learning promotes resource connectivity and experience sharing innovates cooperation control system covering nine core areas—corporate governance strategic operations

mechanisms and expands collaboration models. It continuously deepens government-enterprise coordination bank- internal supervision financial control human resources administration and marketing

enterprise interaction strategic cooperation between enterprises and the integration of industry academia and management—integrating Singapore's unique legal environment and business practices.research leveraging the strengths of all parties to work together and build an open inclusive and mutually benefi cial It has basically established a system that meets both state-owned asset compliance

industrial ecosystem. requirements and local national conditions and laws. The Group has issued a plan

to deepen compliance development comprehensively advancing the construction of

its compliance system. It has established a General Counsel (also serving as Chief

Compliance Officer) and designated the lead department for compliance management

Showcasing a Series of Innovative Products and Cutting-Edge Technologies at the 9th China-South Asia Expo 2025 to be responsible for specifi c compliance work. It incorporates the latest developments

in domestic and country(ies)-specific laws regulations regulatory requirements and

9 new and revised international rules into its system considerations proactively identifies and assesses

In June 2025 as a leading enterprise in the domestic rare and precious metals fi eld Sino-Platinum Metals Group policies in 2025 compliance risks related to the Group's overseas operations and has established and

showcased a series of innovative products and cutting-edge technologies at the 9th China-South Asia Expo improved a three-in-one compliance system based on the original internal control system.and deeply participated in several forums and activities demonstrating its responsibility as the "chain master" In 2025 9 policies were newly established or revised.of the precious metals industry. The Group's exhibition booth focused on the innovative applications of rare and

precious metals in strategic emerging industries such as national defense environmental protection new energy

chemicals electronic information and life and health prominently displaying a variety of precious metals new Building a Global Supply Chain Network

material products including high-purity precious metal materials precious metal sputtering targets and precious

metal electronic pastes. At the same time it actively participated in the "Invest in Yunnan" Investment Promotion

Conference and the "Green Energy + Advanced Manufacturing" special investment matchmaking activities at the The Group advances the construction of international platinum group metal network

9th China-South Asia Expo exchanging ideas with representatives from industries such as green energy and channels strengthens communication and exchanges with mining enterprises refi neries

advanced manufacturing. etc. to ensure raw material supply. It integrates resources from foreign mines domestic

and foreign refineries foreign banks and traders and the Shanghai Gold Exchange to

enhance resource integration capabilities. It actively disperse a geographically strategic

layout and category diverse supplier system establishes cooperation with international

mining companies with counterparties covering Southeast Asia Europe the United

States the Middle East and other regions ensuring the security and stability of precious

metal resources. Through tolling processing and cooperation with LBMA refineries it

deeply enters the Southeast Asian gold market.Continuously Increasing "Going Global" Eff orts

2025 The Group advances the construction of international platinum group metal and Southeast

Overseas sales and Asian gold supply and sales channels expands gold tolling processing and re-export

export value reached RMB business as well as the international operations of electron beam welding materials and

5.832 electric vacuum welding materials. Brand internationalization is accelerating with LBMA billion a year- silver delivery brand entering the review and certifi cation stage and LPPM platinum and

on-year increase of 2 palladium product certifi cation progressing in an orderly manner. In 2025 overseas sales

24.71% and export value reached RMB 5.832 billion a year-on-year increase of 24.71%.

Strengthening International Exchange and Cooperation

The Group continuously explores international cooperation and development opportunities

participating in industry events such as the South African Mining Indaba the South African

Platinum Group Metals Industry Conference the LPPM London Platinum Week the

SBMA Indonesia Visit Group the SBMA Asia-Pacifi c Precious Metals Annual Conference

Image Source:Palm Spring City and the LBMA Precious Metals Conference. It conducts research on overseas precious metal mineral resource development projects and seeks cooperation opportunities.CASE

52 53Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Improving the Quality and Eff ectiveness of Assistance

Giving Back to Society

Industrial Revitalization

2025

While focusing on its own development Sino-Platinum Metals Group has always actively Conducted 11training Centered around Shangjiang Township's "one core two poles three belts" industrial layout

sessions for grassroots the Group invested RMB 450000 to implement a preliminary processing project for Chinese fulfi lled its social responsibilities supported rural revitalization organized public welfare medicinal herbs constructing a new factory and purchasing drying equipment operating

activities and carried out volunteer services demonstrating its corporate responsibility cadres and the public under a "government + cooperative + farmer" model eff ectively increasing the added value

through concrete actions and striving to achieve a harmonious integration of economic covering 690 participants of local medicinal herbs. It continues to support the development of characteristic industries benefi ts and social value. such as beef cattle breeding promoting industrial quality and effi ciency improvement. It has

cultivated 9 wealth-driving leaders conducted 11 training sessions for grassroots cadres

and the public covering 690 participants and implemented 13 income-increasing practical

activities benefi ting 921 participants. It invested RMB 50000 to conduct 2 e-commerce skills

training sessions covering 60 participants.Supporting Rural Revitalization

The Group carefully studied and implemented the spirit of General Secretary Xi Jinping’s important discourse on the work Ecological Revitalization

of “agriculture rural areas and farmers” and the important speech of Yunnan. Centered around the work of "maintaining 2025

bottom line promoting development and advancing revitalization" the Group resolutely fulfi lls its political and social

responsibilities as a state-owned enterprise solidly advancing the implementation of various work in its assistance target Invested RMB The Group studied and applied the experience of the "Thousand Villages Demonstration

Shangjiang Township Shangri-La City Diqing Prefecture. Project" to improve the living environment. It installed 220 solar streetlights in the central 880000 in area of Mugao Village and the Haibian Group of Gelan Village achieving full lighting

infrastructure coverage of main roads and public areas. It deepened the operation of the "Civilization

benefi ting over Points Supermarket" carrying out activities such as environmental hygiene improvement

3400 people and volunteer service evaluations stimulating the endogenous motivation of the masses for rural governance through evaluation commendations and point exchanges. It assisted

in carrying out activities and services such as major environmental hygiene inspections and

improvement actions earthquake-resistant housing project acceptance and river cleaning

helping to build a beautiful and harmonious countryside. In 2025 it invested RMB 880000 in

infrastructure benefi ting over 3400 people.Organizational Revitalization

2025 The Group supported the construction of Party branch positions in 5 administrative villages

Invest in party building of Shangjiang Township and the organization of Party member activities cooperated with

the village "two committees" elections and enhanced the organizational and combat

assistance funds eff ectiveness of grassroots Party organizations. It guided the SPM Chemicals Party Branch

150000 yuan to jointly carry out a co-construction activity with the Shangjiang Township Party Committee

In January 2025 the Group's resident village work team carried out a Spring Festival visit and care activity for 33 households in need in on the theme of "Inheriting the Red Gene · Cultivating Excellent Work Style" promoting the

Shangjiang Township inquiring about the health and living conditions of villagers in diffi culty and presenting care package such as rice and deep integration of Party building and assistance work. In 2025 it invested RMB 150000 in

cooking oil. Party building assistance funds.Strengthening Organizational Leadership Talent and Cultural Revitalization

Solidifying Coordinated Deployment: Established a Rural Revitalization Leadership Working Group; formulated the

Group's 2025 Rural Revitalization Work Plan and project fund arrangements clarifying key work tasks; organized 2 Group The Group implemented the "Technology into Campus" project purchasing 20 teaching

Rural Revitalization Leadership Working Group meetings and held 3 work coordination meetings with the Shangjiang 2025 drones for Shangjiang Primary School and assisting in the set up of related courses fi lling

Township Party Committee and Government to conduct coordinated research on annual assistance priorities. Invested RMB the gap in science and technology education. It continues to build the "SPM Book Corner"

adding 270 new books. It continued to hold the "SPM Ling Tong Yan" summer interest class

In-Depth Research and Investigation: Key Group leaders conducted 2 fi eld research visits focusing on the "three bottom 30000 in with activities promoted on the Learning Powerhouse Yunnan platform and the Xinhuanet

lines" and promoting farmer income increase; responsible leaders made 3 visits to the assistance target to research education assistance client fully demonstrating the Group's corporate social responsibility and effectively

supervise and promote task implementation; Group leaders participated in the fi xed-point assistance work symposium funds enhancing its brand image and social infl uence. It established the "Chongxue Lizhi Fund"

(joint meeting) of the Provincial United Front Work Department and Diqing Prefecture reporting and exchanging to reward outstanding students. It continues to promote the inheritance of the intangible

information on assistance work. cultural heritage "Leiba Dance" carrying out the "Leiba Dance into Campus" activity. It

assists in carrying out culture go to the countryside enriching the spiritual and cultural life

Building a Strong Resident Village Team: Selected 7 resident village work team members during the year including 3 of the masses and promoting the construction of civilized rural customs. In 2025 it invested

serving as First Secretary (Team Leader) ensuring smooth work transition through mentoring; implemented treatment RMB 30000 in education assistance funds; it assisted 81 students in applying for the "Rain

guarantees purchasing personal accident insurance for all team members arranging for 2 outstanding members to Plan" securing subsidies of RMB 193500.participate in provincial-level recuperation and rest programs and organizing 8 various training sessions covering 47

participants.

54 55Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Engaging in Public Welfare and Charity

Holding the 2025 Rural Summer Training Program

Actively responding to social needs the Group continuously engages in public welfare areas such as helping those in need

From July to August 2025 Sino-Platinum Metals Group launched the fourth session of the "SPM Ling Tong Yan" and providing educational support. Leveraging volunteer service brands such as "SPM · Platinum Love Together" and "Silver

Summer Training Program in three villages: Shiwang Mugao and Liangmei. Since its launch in 2022 the "SPM Generation Golden Glow" it has formed volunteer service teams. Adhering to the path of sharing development result and

Ling Tong Yan" Summer Training Program has entered its fourth year benefi ting over 300 rural children in total. promoting resource connectivity the Group promotes deep integration between the enterprise and the community building

a virtuous ecosystem of coordinated development and mutual promotion. Through concrete actions it contributes to social

harmony and continuous progress. In 2025 it conducted 2 "Morning Glow Honors Evening Sunset" volunteer activities and

over 60 volunteer services including ceremonial teams and guides.Conducting the "Morning Glow Honors Evening Sunset" Volunteer Service Activity

Shiwang village "Optical Microscope Learning and Use" Mugao village The program featured the theme "Building

class Dreams in Resident Villages A Colorful Summer" integrating

intangible cultural heritage transmission with modern

education

CASE

Consumption Assistance

Through methods such as "purchasing instead of donating" and "buying to assist" the Group

promotes the sustainable development of characteristic industries in areas lifted out of poverty

and stimulates endogenous motivation.

2025

Directly purchased agricultural Purchased specialty agricultural products

and sideline products from through the Diqing Prefecture Supply and

assistance areas totaling Marketing Cooperative the "832" Platform

606300 O n M a r c h 2 8 2 0 2 5 S i n o -RMB etc. totaling RMB 510300 Platinum Metals Group organized

representatives of young League

Health Assistance members to visit and extend care

to retired experts and employees.From the three d imensions of

The Group implements the "Four Nos" requirements assisting in dynamic monitoring and companionship elderly assistance

assistance for poverty relapse prevention. It assists in the implementation of medical security and heritage transmission they

achieving a 100% medical insurance participation rate for households lifted out of poverty and

monitored targets in assistance villages. In collaboration with Taikang Pension Insurance it has practiced the spirit of Lei Feng in the

provided accidental disability and death liability insurance for all households lifted out of poverty new era building a spiritual heritage

and monitored targets in three villages for four consecutive years covering over 5000 people. It bond of "old-young pairing and

uses resident village work funds to provide temporary assistance to people in diffi culty with high intergenerational integration."

out-of-pocket medical expenses.

2025

The Group visited Conducted extended care Distributed condolence

374 households 2268 and support to gifts valued at

that have been lifted visits to general 231 approximately RMB CASEfarming

out of poverty and farming households 40000

monitored targets households

56 57Governance

In 2025the Group

Proportion of R&D investment: Formulated or revised 13 national

independent RMB or industry standards (including

directors: 10

1.242 national standards and 3 industry 37.5 billion% standards)

1 Newly added national-level Proportion R&D intensity manufacturing single champion

of female enterprise

37.5 2.20%directors 3 National-level key specialized % and sophisticated "Little Giant"

enterprises

1National-level specialized

and sophisticated "Little Giant"

enterprises

1 Provincial-level manufacturing

single champion

1 Provincial-level specialized and

sophisticated SM

Sino-Platinum Metals Group adheres to leading high-

quality development through high-quality governance. It

continuously improves its governance structure clarifies

the rights and responsibilities of each entity and ensures

that decision-making is scientific compliant open and

transparent. It carries out the integrated construction of Responses to Sustainable

"risk internal control and compliance" to ensure the stable Development Goals (SDGs)

operation of the enterprise. It deeply advances the reform

of state-owned enterprises focuses on strengthening and

supplementing the industrial chain in its core businesses

and stimulates the enterprise's endogenous motivation

and development vitality. It deepens innovation-driven

development strengthens innovation platforms focuses

on core technology breakthroughs and promotes

the deep integration of technological and industrial

innovation injecting momentum into high-quality industrial

development.

5859

for a Sustainable Future

Co-governanceEnvironment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Strengthening Risk Management

Corporate Governance The Group has improved its risk system and established the "three lines of defense" for risk management. It has refi ned its

risk database with over 700 items covering strategic risk market risk fi nancial risk operational risk and legal compliance

risk. The Group has formulated the "Risk Control and Compliance Manual" embedding risk and compliance requirements

into internal control processes and has built a scientifi c and effi cient risk prevention and control system encompassing "pre-

Sino-Platinum Metals Group focuses on building a solid foundation for stable operations event prevention in-event control and post-event disposal."

standardizing its corporate governance structure strengthening full-process risk

management optimizing information disclosure and investor relations management

deepening the reform of state-owned enterprises and consolidating the Group's foundation Information Disclosure and Investor Relations

for sustainable development through sound governance.Standardizing Information Disclosure

The Group has established a specialized institution staff ed with full-time personnel to fulfi ll information disclosure obligations

Standardizing Corporate Governance in accordance with the law. Adhering to the principles of fairness openness and clarity it discloses the Company's periodic reports and interim announcements in a truthful accurate timely and complete manner. The Group uses China Securities

Journal Shanghai Securities News and the Shanghai Stock Exchange website as its designated newspapers and website

In strict accordance with relevant laws regulations and regulatory requirements the Group has improved its decision- for information disclosure ensuring that all shareholders have equal access to information. In 2025 the Group made over

making system and introduced the systems of external directors and independent directors. It deeply explores a 115 information disclosures with no omissions errors or corrected disclosures achieving zero errors zero inquiries and

collaborative governance path that meets both state-owned asset supervision and listed company regulatory requirements zero regulatory actions. It has received a "Good" rating in the exchange's annual information disclosure assessment for

strictly implements democratic centralism and revises the "Implementation Measures for the 'Three Major and One Major' many consecutive years.Decision-Making System" as well as the rules of procedure for the Party Committee the Board of Directors and the General

Manager's Offi ce ensuring scientifi c democratic and lawful decision-making. The Group has separated the positions of

Chairman and General Manager to separate decision-making and supervision. It has advanced the abolition of supervisory

boards at the Group and its subsidiaries and undertaken the undertake of supervisory board functions. The rights and Safeguarding Investor Rights and Interests

responsibilities among the Company's power body decision-making body supervisory body and management team are

clearly defi ned. The Company's corporate governance structure complies with the requirements of the modern enterprise Investor Relations Management

system and the "Corporate Governance Code for Listed Companies." In 2025 42 Party Committee meetings were held

with 135 items reviewed in advance; 72 General Manager's Offi ce meetings (including communications by vote) were held The Group fully respects and safeguards the legitimate rights and interests of stakeholders including shareholders

with 369 items deliberated and approved. Three subsidiaries abolished their internal supervisory boards and 24 subsidiaries suppliers customers creditors and employees. It strengthens communication and cooperation with relevant parties to jointly

abolished their internal supervisors. promote the healthy sustained stable and high-quality development of the Company. The Group optimizes its investor

relations methods and continuously improves the eff ectiveness of its corporate value communication. In 2025 it organized

nearly 20 various types of performance briefi ngs and on-site investment exchange meetings.The Group standardizes and implements the convening holding and deliberation procedures of the

Shareholders

and Shareholders' Meeting ensuring that all shareholders especially small and medium-sized shareholders

Shareholders' enjoy equal status and exercise their legitimate rights and guaranteeing equal information access for all

Meeting shareholders. In 2025 4 Shareholders' Meetings were held at which 26 proposals were deliberated and Organized special performance briefi ngs for periodic reports

approved. Participated in major events such as the Cloud Association Collective Investor Reception Day and

Investor

Communication Exchange's "Walk into Listed Companies" activities

Directors are elected in strict accordance with the selection and appointment procedures stipulated by Built a multi-dimensional online + offl ine investor interaction platform through Shareholders' Meetings

relevant regulations. Independent directors perform their duties in accordance with the "Independent investor hotlines the Shanghai Stock Exchange e-Interaction Platform and WeChat public platform

Director Management Measures" providing strong support for the feasibility and efficiency of Board

decisions. The Board of Directors has four special committees: the Strategy and Investment Development

Committee the Remuneration and Assessment Committee the Audit Committee and the Nomination Investor Return

Committee. Each committee performs its own functions and operates effectively playing an important

role in providing advice and recommendations for major Board decisions forming a support system for

Directors and scientific Board decision-making. The Group has studied and formulated work plans for improving the The Group has formulated the "Dividend Management System" and the "Shareholder Return Plan for the Next Three Years

the Board of board construction of the Group and its subsidiaries refi ning board construction work into all aspects of (2024-2026)" establishing a scientifi c sustained and stable dividend mechanism to protect the legitimate rights and interests

Directors standardized governance enhancing the overall efficiency and level of board construction. The Group of investors especially small and medium-sized investors. It continuously standardizes the profi t distribution decision-making

strives to promote diversity on the Board of Directors in terms of gender professional skills professional process: the Board of Directors formulates the profi t distribution plan and submits it to the Shareholders' Meeting for deliberation

background and industry experience to promote diversifi ed development. In 2025 the Board of Directors and decision. During the deliberation process importance is attached to communication and exchange with small and medium-

consisted of 8 directors including 3 independent directors and 1 employee representative director. Nine sized shareholders. Separate vote counting is implemented for proposals related to the interests of small and medium-sized

Board meetings were held at which 64 proposals were deliberated and approved. Twenty-one special investors eff ectively safeguarding the rights of public shareholders to participate in Shareholders' Meetings. As of the end of

committee meetings were held with 63 proposals reviewed in advance. When decisions involved related 2025 the Group has maintained cash dividends exceeding 30% of distributable profi ts for more than ten consecutive years.party transactions all related directors recused themselves from voting and the procedures were legal and

compliant. Strengthening Insider Information Management

The Group appoints its new-term operations and management team in strict accordance with relevant The Group strengthens the confidentiality awareness of management personnel at all levels especially directors

regulations strictly implements the resolutions of the Shareholders' Meeting and the Board of Directors supervisors and senior executives. During the preparation of periodic and quarterly reports as well as the planning

and has no acts of exceeding authority. Matters beyond the authority of the management team are and implementation of major matters it strictly follows relevant regulations to register manage and report insiders who

Management submitted to the Board of Directors and the Shareholders' Meeting for deliberation. There is no tendency have access to inside information. While ensuring the truthfulness accuracy and completeness of insider information it

toward "insider control" and there are no circumstances of failure to faithfully perform duties or breach of further strengthens the security and confi dentiality management of inside information during its occurrence reporting and

good faith obligations. transmission. The Group resolutely prevents insiders and those who illegally obtain inside information from using such

information for securities trading activities and strictly prohibits any form of insider trading.

60 61Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Strengthening Market Value Management

The Group strengthens market value management and enhancement efforts introduces

professional market value management teams and systematically advances the preparation Compliance Management

of market value management plans the establishment of corporate market value

management systems and mechanisms and the deployment of market value management

work teams. It gradually refines and implements specific measures for market value Sino-Platinum Metals Group has always adhered to the bottom line of compliant operations

management. deeply advanced the construction of its compliance system and the implementation of legal

publicity deepened internal control and internal audit management and supervision strictly

Deepening the Reform of State- adhered to business ethics and fair competition standards solidly advanced anti-commercial bribery and anti-unfair competition work and comprehensively built a solid foundation for

Owned Enterprises lawful compliant honest and stable operations.The completion rate of The Group deeply advances the reform of state-owned enterprises solidly implementing

the 96 key tasks was special SOE reform initiatives such as the Group's three-year reform and development

100 action and the "Double Hundred Action." The completion rate for 96 key tasks is 100% % and 3 reform and three reform practices have been selected for the case collections of the State-owned

practices were selected Assets Supervision and Administration Commission (SASAC) of the State Council and Compliance Managementthe Provincial Government. The Group spares no efforts in building world-class leading

for the case collections enterprises completing the national cultivation database application defense and on-site

of the State-owned research for the National Development and Reform Commission's world-class enterprise

Assets Supervision construction initiative. It has prepared for the SASAC's assessment of world-class

Improving the System

specialized leading cultivation enterprises and recommended 4 subsidiaries for provincial

and Administration cultivation database entry for internationally and domestically fi rst-class enterprises. The Group issued the "Work Plan for Deepening the Construction of the Compliance System" extending the requirements

Commission (SASAC) for compliance management system construction to all secondary enterprises. It promoted 3 subsidiaries to pilot the

establishment of legal and compliance management institutions 15 secondary enterprises to establish General Counsel

of the State Council Increasing Capital Operations (also serving as Chief Compliance Offi cer) and facilitated the basic establishment of compliance management systems and and the Provincial operating mechanisms in 12 secondary enterprises. The Group implemented the "1+3" working model deeply advanced

Government. The Group coordinates the implementation of its mixed-ownership reform rectification the integrated construction of "risk internal control and compliance" and promoted the establishment of collaborative

and the special governance of "holding without controlling power" completing ongoing operation mechanisms between compliance management internal control and risk management achieving the organic

penetration inspections and on-site cross-inspections by provincial state-owned enterprises. integration of organizational functions working mechanisms management systems evaluation systems and supervision

It promotes the introduction of investment and strategic partners for SPM Electronics' mechanisms. The Group continuously improved its management system consolidating the foundation of compliance

mixed-ownership reform and the equity acquisition of SPM Industrial Catalyst using equity management. Throughout the year it formulated or revised 57 systems and optimized 77 approval processes balancing

cooperation as a link to advance proposed acquisitions in industrial catalysts chemicals compliance with management effi ciency. It conducted front-loaded compliance reviews and regularly advanced legal reviews

and other fi elds. It advances capital market fi nancing with its fundraising plan accepted by of important systems economic contracts and major decisions. During the year it reviewed over 1200 contracts issued 27

the Shanghai Stock Exchange. It increases support and resource investment for start-up

company projects and SPM Bio has achieved market-oriented operational capabilities. legal opinions conducted legal compliance reviews of 42 systems and reviewed 60 bidding and procurement documents. Through practices such as legal dispute resolution and trademark protection and management the Group strengthened

compliance safeguards prompting one infringing entity to complete its company name change. During the year it obtained

Deepening the "Three Systems" Reform 10 trademark registration certifi cates and 4 trademark applications were offi cially accepted by the China National Intellectual

Property Administration.The Group fully implements competitive selection for positions adopts a separation

management of rank and position achieving flexible selection and appointment with

the ability to move up or down. It carries out a special rectification of "compensation Solidifying Publicity and Implementation

irregularities" formulating special rectifi cation plans organizing stratifi ed and categorized

learning conducting on-site supervision and inspections and guiding subsidiaries to

complete self-inspections and self-corrections. It has achieved the release of the lock-up The Group strengthened legal publicity for the "key minority" incorporating legal studies into the key content of the Party

period for the third-phase of the listed company's restricted stock incentive plan marking Committee Theoretical Study Center Group continuously improving the leadership team's ability to make decisions in

the successful achievement of the performance targets of the equity incentive plan that the accordance with the law. It continuously implemented the "explaining the law through cases" system using the corporate

Group launched in 2021. In line with the overall requirements of "steady growth of one profi t WeChat public account to push 4 typical litigation cases. Using a combination of online and offline methods and in

indicator and continuous optimization of five ratios" the Group optimizes its operational

performance assessment system. It implements a "one-enterprise one-policy" assessment coordination with important occasions such as "April 15 National Security Education Day" "Constitution Publicity Week"

for subsidiaries break down production and operation units by development cycle and and "Civil Code Publicity Month" the Group organized 2 special lectures. It ensured the promotion and implementation of

diff erentiates the setting of assessment indicators and weights. It refi nes the details of bonus relevant laws regulations and policies by posting themed legal publicity posters and slogans and mobilized all employees

points and deduction for operational performance assessment incorporating stable growth to participate in various online quizzes promoting the deep embedding of a legal culture in the hearts and minds of

expansion into new products and new areas industrial coordination and policy advocacy

into bonus items guiding subsidiaries to focus on their core responsibilities and main employees.businesses and to strengthen and excel in their advantageous areas.Advancing Lean Management Internal Control Management

The Group deeply explores the potential for cost reduction and effi ciency enhancement In accordance with the "Basic Standards for Enterprise Internal Control" and related implementation guidelines and

establishing a treasury system and a multi-currency cross-border capital pool and focusing on elements such as internal environment risk assessment control activities information and communication

optimizing the full lifecycle management and turnover efficiency of precious metals. It and internal supervision the Group conducted a comprehensive evaluation of the rationality of internal control design and

advances cost reduction and efficiency enhancement through accounts receivable risk the eff ectiveness of operation for 21 legal entities of the Group and its subsidiaries for 2025. It identifi ed internal control

management the "three reductions and two guarantees" and lean production. The Group

has issued lean management improvement implementation and evaluation plans as well defi ciencies and analyzed their causes provided timely communication and feedback to the evaluated units formed internal

as an evaluation indicator system completed annual self-assessments and promoted the control evaluation reports proposed rectifi cation suggestions and urged the implementation of rectifi cations promoting the

improvement of management effi ciency eff ectiveness and value creation capabilities. continuous optimization and eff ective implementation of the Company's internal control system.

62 63Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Internal Audit Management

Innovation-Driven Development

The Group improved its internal supervision work system and deepened the coordinated collaboration mechanism of

"discipline inspection inspection and audit." It advanced the economic responsibility audits of the principal responsible

persons of 4 subsidiaries promoting the implementation of problem rectifications. It completed post-evaluations of 7 Sino-Platinum Metals Group takes technological innovation as its core driving force

investment projects providing a basis for improving the scientifi c nature of investment decisions and optimizing project continuously improving platform construction deepening the integration of industry

management. It conducted special inspections of the Singapore subsidiary special audits of Party fee management and academia and research strengthening project management optimizing intellectual

internal verifi cation of research projects carrying out compliance inspections of major matters and fund transactions to property arrangement and expanding external cooperation. It has built a full-chain

prevent operational risks. It established categorized responsibility investigation work ledgers verifi ed leads on violation innovation ecosystem connecting basic research technology development and industrial

issues and loss matters and fully performed the functions of internal audit supervision evaluation control and service. application injecting strong momentum into sustainable development.Adhering to Business Ethics and Fair Competition

Governance

Adhering to Business Ethics

The Group has consistently implemented the "Yunnan Provincial Anti-Commercial Bribery Supervision Measures for Improving the Innovation System

State-Owned Enterprises" strictly implemented the "Rules of the Discipline Inspection and Supervision Organs for

Handling Reports and Complaints" and the "Regulations on Letters and Visits Work" and systematically revised the Following systems such as the "Science and Technology Plan Project Management Measures" and the "Science and

Group's "Measures for Letters Visits and Reporting Work" in light of practical development needs safeguarding the Technology Plan Project Fund Management Measures" the Group strengthens the application of the "six mechanisms"

supervisory rights of informants and complainants and protecting the legitimate rights and interests of Party members and for scientifi c and technological innovation and researches and constructs a new mechanism for the deep integration of

offi cials. It specially invited lawyers from law fi rms to give special lectures on the theme of risk prevention of duty-related technological innovation and industrial development. It has built a complete transformation of scientifi c and technological

crimes in state-owned enterprises. Through in-depth analysis of typical cases and detailed interpretation of relevant laws system covering "basic theoretical research – applied development – industrial generic key technology development –

and regulations the Group further solidifi ed offi cials' bottom-line legal thinking guiding them to establish correct views of industrial incubation – market launch." It has also formulated management standards for intelligent manufacturing and

power and interests and enhancing their awareness of integrity and self-discipline and their ability to prevent risks. related automation equipment.Anti-Unfair Competition Cultivating Innovation Teams

The Group implements systems such as the "Measures for the Prevention and Control of Integrity Risks in Marketing" and The Group pilots a co-investment mechanism for innovation projects focusing on high-growth high-risk new material

the "Measures for the Management of the 'Blacklist' of Dishonest Conduct" establishing codes of conduct for marketing R&D projects creating a new innovation and entrepreneurship ecosystem of "risk sharing benefi t sharing and shared

personnel and strengthening the integrity management of business processes. It signs "Compliance and Integrity Self- endeavor" promoting the deep integration of talent technology and capital. It has established specialized and industrial

Discipline Commitment Letters" with business partners clearly stipulating that neither party shall demand or accept research laboratories in segmented fi elds areas formed professional R&D teams innovated the "four categories three

rebates gifts marketable securities or other improper benefi ts in any form nor engage in any other acts that violate levels" assessment and evaluation mechanism implemented the secondment of research laboratories to corresponding

integrity requirements. The Group has established a blacklist inquiry system carrying out anti-fraud anti-commercial units and integrated the advancement of the Group's scientific research innovation and achievements incubation

bribery anti-monopoly and anti-unfair competition work building a new type of clean and cordial business partnership and transformation. In 2025 using a "one-case-by-one-case" mechanism the Group supported SPM Technology and

and creating a fair competitive trading environment. It continuously advances trademark infringement cases resolutely SPM Semiconductor to recruit two mature technical teams on a full-time basis. As of the end of 2025 four project co-

cracking down on acts that mislead the market by riding on the reputation of others' famous brands or improperly using investment pilots have been completed with more than 50 core talents participating and over RMB 7 million in paid-in co-

"SPM" as a corporate name. In 2025 the Group experienced no incidents of unfair competition. investment funds.Science and Technology Ethics

The Group integrates science and technology ethics requirements into the entire process of various scientific and

technological activities such as scientific research and technology development. In the process of innovation and

R&D it strictly adheres to science and technology ethics norms respects the spirit of science values humanistic care

avoids technology abuse carefully evaluates the application of achievements strives to be benefi cial to society and the

environment and promotes technological innovation with a responsible attitude. In 2025 the Group had no violations of

science and technology ethics.

64 65Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Strategy

The Group strengthens the top-level design of its scientifi c research strategy closely aligns with the Group's "15th Five-

Year Plan" industrial arrangement systematically summarizes the achievements of scientifi c and technological innovation

during the "14th Five-Year Plan" period and compiles the "Group's '15th Five-Year Plan' Special Plan for Science and

Technology."

R&D and Innovation Risk Matrix R&D and Innovation Opportunity Matrix

Risk Risk Impact Value Chain Potential Impact / Response Opportunity Opportunity Impact Value Chain Potential Impact / Capture

Category Description Timeframe Segment Financial Impact Strategy Category Description Timeframe Segment Financial Impact Strategy

R&D Risk High failure rate for Short to Operations Loss of R&D ·Establish a multi- Technological Achieve breakthroughs in Medium to Operations Occupy the ·Increase R&D investment

cutting-edge material medium investment; dimensional review Breakthrough key material technologies long term Downstream domestic high-end in core technologies

R&D; huge investments term tight cash fl ow; mechanism for R&D & Import such as sputtering targets market; increase continuously tackling

diffi cult to recover; cash signifi cant profi t projects with phased Substitution for semiconductors and product added technological weakness in key

fl ow under pressure; fl uctuations investment and set stop- fuel cell catalysts for new value; enhance areas

uncertainty in R&D loss points energy vehicles realizing voice in the ·Conduct targeted R&D in

return on investment import substitution and industrial chain

·Introduce diversifi ed capture the domestic collaboration with leading

funding channels high-end market downstream customers to

collaborate with research rapidly achieve technology

institutions to share R&D implementation

costs ·Apply for special policy

·Establish a risk subsidies and tax incentives

reserve system for the to reduce R&D costs

transformation of R&D

results

Industry- Jointly establish a Long term Operations Improve the ·Improve the transformation

Industrialization Laboratory technology Medium Operations Loss of control ·Establish a pilot incubation Academia- national key laboratory transformation rate rate of technological

Transfomation is diffi cult to scale up to Long over technology platform conduct small- Research with Tianjin University of technological achievements develop core

for mass production Term transformation batch verifi cation and Collaborative carry out integrated achievements; technologies in key areas and Risk and the cost of costs missed then gradually increase Innovation industry-academia- shorten R&D cycles; share transformation benefi ts

industrialization policy dividends production capacity research-application share innovation and intellectual property

transformation far and market cooperation with benefi ts and

exceeds expectations. opportunities and ·Collaborate with universities enterprises technology barriers ·Deepen industry-academia-

The cycle of technology insuffi cient capacity downstream customers and research institutes research cooperation

transformation and utilization to conduct process within the industry mechanisms establishing

industrialization is long adaptation reducing the achieving collaborative innovation consortia with

leading to missed policy cost of trial and error during innovation across the shared benefi ts and risks

dividends and missed mass production industrial chain ·Promote rapid transformation

golden opportunities to

seize the market. · Conduct advance policy

of laboratory technologies to

and market research to industrialization prioritizing

shorten the transformation implementation within the

cycle Group's production lines

Resource Global precious Long Operations Sharp fl uctuations in ·Conduct precious metals

& Market metal resources are term raw material costs; hedging to lock in raw Policy & Green Policy dividends from Long term Operations Enjoy policy ·Actively align with the

Substitution scarce and highly narrowing profi t material costs Transformation domestic substitution subsidies and tax national supply chain security concentrated in supply; margins; declining Dividend under the national incentives; expand strategy to secure special

sharp price fl uctuations market share of ·Increase R&D of recycling supply chain security green and low- policy support

can directly erode traditional products technologies to improve strategy as well as carbon markets;

profi ts; substitution resource self-suffi ciency green transformation build a sustainable ·Increase the promotion of

technologies such ·Develop low-precious- opportunities brought development model

recycling and low-precious-

as ceramic matrix metal technologies building a

composites are metal technologies

by recycling and

green production system

continuously upgrading to reduce resource

low-precious-metal

dependence technologies helping compressing the the enterprise build core ·Apply for green

market share of technology barriers and manufacturing demonstration

traditional precious expand into high-value- projects to enhance brand

metal materials added markets infl uence and market recognition

66 67Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Impact Risk and Opportunity Management Deepen industry-academia-research collaboration

Focusing on strategic areas such as the National New Materials 2030 Major Project new hydrogen energy storage

and biomedicine the Group successfully achieved breakthroughs in 4 core industrial technologies and transferred 13

Risk Management Process preparation technologies for platinum group metal chemicals among other accomplishments. It continuously promotes

the deep integration of R&D and industry establishing a "specialized research laboratory + industrial company"

Focusing on core business scenarios such as core business operations tackling core technologies and industry- secondment mechanism. Eight research laboratory groups have achieved seamless integration of research and industry

academia-research collaboration the Group has established and improved systematic and scientific processes and with their corresponding companies creating a full-chain innovation ecosystem from basic research to industrialization.methods for managing innovation risks and opportunities. It actively identifies risks and opportunities brought by The Metallurgy Research Laboratory in collaboration with SPM Resources completed a technological upgrade successfully reducing the annual consumption of gold from approximately 150 kg to about 6 kg while reducing impurities

technological innovation to the Company ensuring that the Company's strategy and operations can adjust and respond such as silver titanium and carbon to below 1 ppm comprehensively solving the cleanliness issue of high-purity gold.in a timely manner. A closed-loop management process of risk identifi cation – risk assessment – risk response has been The Chemistry and Pharmaceutical Research Laboratory successfully transferred 13 preparation technologies for

established to systematically manage innovation-related risks. platinum group metal chemicals to the industrial side supporting SPM Chemicals' expansion into new products. The

Medical Materials Research Laboratory developed new feedthrough products that generated an additional RMB 2 million

in output value at SPM Bio. The Hydrogen Energy and Environmental Governance Research Laboratory achieved

Formulate standardized innovation risk identification assessment and technological breakthroughs in multiple catalyst areas and completed long-term validation laying the foundation for large-

Risk management processes tailored to the Group's business focusing on breaking scale product production and market promotion. The Electronic Ceramics Research Laboratory in response to the needs of SPM Electronics prepared and optimized gold powder using chemical reduction methods successfully developing

Identifi cation down the Company's main business activities and processes and regularly gold powder products that meet market requirements and achieving batch application. The Group organized industrial

conducting risk identifi cation for R&D project management R&D achievements companies and seconded research laboratories to jointly apply for projects and share scientifi c research results. The

and intellectual property management and research fund management. project "Key Technologies and Engineering Demonstration for Effi cient Recovery of Platinum Group Metals from Spent

Homogeneous Catalysts" jointly applied for by SPM Resources and the Metallurgy Research Laboratory received

support from the National Key R&D Program of China. The "Yunnan Provincial Rare and Precious Metals Conductive

For identifi ed risks conduct assessments from dimensions such as probability Ring Materials Innovation Team" formed by SPM Technology and the Chemical Vapor Deposition Research Laboratory Risk

Assessment of occurrence magnitude of impact time range of impact and impact on the

was offi cially recognized. The project "Key Technologies and Applications for the Development of New Composite Wires

for Medical Implants" jointly applied for by the Medical Materials Research Laboratory and SPM Bio received support

value chain and fi nancial performance. from a Yunnan Provincial Major Science and Technology Special Project.Jointly Promoting Industry Development

Risk Based on the identification and assessment results formulate specific and

Response The Group strengthens external exchanges and cooperation actively hosting and participating in high-level academic and eff ective risk response measures for work at each stage. industrial forums to support industry development. It successfully held its third Science and Technology Conference which

featured the largest gathering of academicians and experts in three years. At the conference the Group announced 7 major

projects for 2025 presented science and technology awards and recognized innovative talents and teams contributing

scientifi c and technological strength to writing a new chapter for the precious metals industry under the Chinese path to

While actively responding to innovation-related risks the Group simultaneously focuses on identifying and capturing modernization. The Group participated in the 2025 Tengchong Scientists Forum – Special Event on Innovation-Driven

potential opportunities in the innovation fi eld. It strengthens research on innovation trends accurately assesses their Development of New Materials and Industrial Finance and the 2025 Precious Metals Forum where the 2025 "Precious

impact on business operations and the market environment identifi es opportunities from multiple dimensions such as Metals Blue Book" was released providing the latest and most comprehensive information for the precious metals industry

resource utilization and market development and correspondingly introduces corresponding implementation measures. and promoting its high-quality development. The Group also participated in the 2025 Tengchong Scientists Forum · Rare and

Precious Metals Industry Innovation and Development Forum inviting nearly 180 participants including government leaders

academicians and experts representatives from universities research institutes and enterprises. It organized the selection

Improving Innovation Platforms and successful signing of two batches of 6 representative key cooperation projects and announced 3 "open competition"

projects building a high-end platform for deep linkage between industry academia research and application.The Group continuously advances the construction of innovation platforms. The National Intellectual Property Operation

Center was accredited making Sino-Platinum Metals Group the only enterprise in the province to obtain approval for a

national-level industrial intellectual property operation center. One new national platform was added bringing the Group's

total number of national-level platforms to 10. One new academician workstation and three new expert workstations were

added.The first meeting of the Academic Committee and the first meeting of the Board of Directors were

Spare No Eff ort in Advancing successfully held; Held the inauguration ceremony of the Greater Bay Area Research Department

the Construction of the and the appointment ceremony of the department director taking a key step in building a regional

National Key Laboratory innovation network; Received RMB 14 million in project support from the Provincial Department of

Science and Technology; Successfully joined the Suzhou National Laboratory Materials Alliance.Steady Progress in The "Yunnan Provincial Precious Metals Pharmaceutical Technology Innovation Center" was approved

Provincial-Level Platform for construction laying the foundation for the Group's expansion into the biomedical field. The

Construction Provincial Key Laboratory has been rated "Excellent" for fi ve consecutive evaluation cycles since its

accreditation in 2010.Accelerating the The Group completed the laboratory performance evaluation and successfully obtained RMB 100

Construction of Yunnan million in fi nancial support. The Tokyo Branch Center and Dongying Branch Center of Yunnan Precious

Precious Metals Laboratory Metals Laboratory were inaugurated. On October 30 2025 Sino-Platinum Metals Group participated in the 2025 Tengchong Scientists Forum – Special Event on Innovation-

Driven Development of New Materials and Industrial Finance and the 2025 Precious Metals Forum injecting new momentum into the Group's

eff orts to deepen industry-academia-research collaborative innovation and promote the high-quality development of the precious metals new

materials industry.

68 69Environment: Symbiosis for Society: Sharing for a Better Governance: Co-Governance for Sino-Platinum Metals Co. Ltd. 2025 ESG Report

a Green Future Future a Sustainable Future

Strengthening Intellectual Property Management

Jointly Building a Precious Metal Materials Intelligent Design Platform

The Group systematically advances the use and protection of intellectual property unlocking the value of innovation

achievements. It implemented a pilot program for open patent licensing for the fi rst time completing 9 patent licenses

and achieving licensing fees of RMB 400000. It completed evaluations of 6 scientifi c and technological achievements of In September 2025 Yunnan Precious Metals Laboratory in

which 5 reached internationally leading levels and 1 reached an internationally advanced level. Yunnan Precious Metals collaboration with Kunming University of Science and Technology

Laboratory obtained ISO 56005 Level 2 certifi cation for innovation and intellectual property management. The Group Yunnan University and other institutions carried out project

received 5 provincial/ministerial-level science and technology awards including 3 fi rst prizes and 2 second prizes. research and successfully built a Precious Metal Materials Intelligent Design Platform. The platform integrates developed precious metal

materials science models based on a unifi ed platform architecture

and task flow engine for collaborative optimization solving the

problems of fragmentation and integration difficulties arising from

different sources and different models. It possesses automated

modeling functions such as feature engineering model selection

intelligent parameter optimization and model evaluation covering

the complete machine learning process. The platform optimizes the

experience for non-professional users through guided operation

processes and the encapsulation of complex steps helping

"zero-experience" users get started quickly and use the platform

efficiently empowering the R&D and innovation of new precious

metal materials and new products.CASE

Indicators and Targets

In 2025 a total of 68 projects were applied for and 55 new projects were approved. Additionally the organization once again

received support from two national 2030 major special projects leading one and participating in another. Six projects were

approved for national fund support including two joint fund projects breaking the ten-year blank of national fund joint fund

projects.Guizhou Precious Metals Catalysis has been selected as a national-level single-item champion enterprise in the

In September 2025 Sino-Platinum Metals Group was selected manufacturing industry. Guizhou Precious Metals Resources Guizhou Precious Metals Chemistry and Guizhou Precious

for the fi rst batch of national-level industrial intellectual property Metals Industrial Catalysis have been selected as national key "little giant" enterprises specializing in precision fi ne unique

operation centers released by the China National Intellectual and innovative products. Guizhou Precious Metals Sino-Greek has been selected as a national "little giant" enterprise

Property Administration (CNIPA) ranking 61st and becoming specializing in precision fi ne unique and innovative products. Yongxing Resources has been awarded the title of single-item champion enterprise in the manufacturing industry in Hunan Province and Yongxing Testing has been awarded the title

the only unit in Yunnan Province to be included. of small and medium-sized enterprise specializing in precision fi ne unique and innovative products in Hunan Province.Accelerating "Digital Intelligence" Integration Further Reading

With a focus on digital infrastructure construction and AI empowerment the Group advanced 32 digitalization projects Manufacturing Single Champion

promoted the design of the Precious Metals Big Data Center and the storage of some data. The applied "Yunnan Rare

and Precious Metals Industry High-Quality Dataset Construction and Application Project" was approved for establishment Refers to enterprises that have long focused on segmented markets in the manufacturing industry with

by the National Development and Reform Commission (NDRC) and included in the National Major Project Database production technology or processes that are internationally leading and whose market share for a single

making it one of the country's fi rst batch of pilot construction projects for high-quality dataset new type of information product ranks among the top globally. The number and quality of such enterprises are important indicators for

infrastructure. The Group built an AI public service platform and developed a independently controllable digital measuring the development level of a region's manufacturing industry.factory. SPM Resources established the Group's first remote control and digital twin centralized control center and

the Continuous Flow Research Laboratory developed automated control devices and systems. The Group piloted the

development of a platinum precious metals industry large language model and AI application scenarios advancing the Science and Technology Innovation Indicators and Targets

construction of AI laboratories. Most subsidiaries relying on industrialization project construction deployed automated

equipment and production lines achieving production automation and intelligence. Focusing on the four key elements No. Indicator Target Actual Completion

of digital factories – "automation transformation digital twin production operations and centralized control center" Rate

– SPM Chemicals and SPM Zhongxi launched MES systems. Centered around the Majinpu Digital Park the Group 1 Signed research contract value RMB 250 million RMB 251.35 million 100.5%

steadily advanced the construction of disaster recovery computer room a digital control center and a digital park with 2 Research funds received RMB 200 million RMB 214.40 million 107.2%

all construction plans fully implemented. The Group received a national-level digitalization major project for the fi rst time.SPM Chemicals was established as a Yunnan Provincial "Advanced-Level Intelligent Factory" and a Kunming Municipal 3 R&D investment RMB 1.17 billion RMB 1.242 billion 106.2%

Digital "Little Lighthouse." Catalysis Dongying was established as a Shandong Provincial "Advanced-Level Intelligent 4-1 Invention patent applications fi led 100 Pieces 102 Items 102%

Factory." The genetic engineering special project reached new heights adding 4 new databases and independently 4-2 Invention patents granted 40 Pieces 51 Items 127.5%

developing 5 types of high-throughput experimental data intelligent processing algorithms improving effi ciency by 100

times. On the management side based on existing systems such as ERP collaborative offi ce transparent procurement 5-1 Papers published (quality & quantity) 100 Articles 121 Articles 121%

hedging and SPM Gold the Group added 11 specialized systems including financial shared services technology 5-2 SCI/EI indexed papers 38 Articles 40 Articles 105.3%

management and safety and environmental protection. It has now achieved integrated business and fi nance across more 6 National or industry standards formulated/revised 11 Items 13 Items 118.2%

than 40 information systems with most business processes and supervision online and visualized eff ectively optimizing

internal resource allocation and achieving coordinated production and supply chain operations. 7 Provincial/ministerial-level awards applied for 3 Items 12 Items 400%

70 71Future Prospects Sino-Platinum Metals Co. Ltd. 2025 ESG Report

Future Outlook With a favorable wind on our long journey we set sail again under a heavy responsibility. Sino-Platinum Metals Group will adhere to the guidance of Xi Jinping’s Thought on Socialism with Chinese

Characteristics for a New Era deeply study and implement the spirit of the Fourth Plenary Session of

the 20th Central Committee of the Communist Party of China inspect the spirit of General Secretary Xi

Jinping’s important speech in Yunnan anchor itself to the development goals of becoming a "century-

old hundred-billion world-class" enterprise and achieving the "15th Five-Year Plan." It will advance

the independent controllability and high-end transformation of the precious metals new materials

industry chain continuously deepen its green transformation actively fulfi ll its social responsibilities

steadily improve its governance eff ectiveness and inject strong momentum into the global sustainable

development cause!

72 73Appendix Sino-Platinum Metals Co. Ltd. 2025 ESG Report

Appendix Feedback

Index Reference Dear Reader

Shanghai Stock Exchange Listed Company Self-Regulatory Guidelines No. 14 – Sustainability Reporting (for Trial Thank you very much for taking the time to read the "Sino-Platinum Metals New Materials Holding Group Co. Ltd. 2025

ESG Report." To continuously improve our ESG report management and enhance our responsibility performance and

Implementation) capabilities we particularly value your opinions and suggestions. We kindly invite you to complete the relevant questions

Serial in the feedback form and provide your feedback to us through the following channels.No. Number Topic Corresponding Chapter

1 Addressing climate change Addressing Climate Change Sino-Platinum Metals Group Co. Ltd.

2 Pollutant emissions Pollution Prevention and Ecological Protection Address: No. 988 Keji Road High-tech Industrial Development Zone Kunming Yunnan China

3 Waste treatment Pollution Prevention and Ecological Protection Postal Code: 650106

Pollution Prevention and Ecological Group Website: http://www.sino-precious.com/4 Ecosystem and biodiversity protection Protection

Environment

5 Environmental compliance Energy and Environmental Management Your Informationmanagement System

6 Energy utilization Energy and Environmental Management System Name：_________ Telephone：_______________

Resource Conservation and Circular Organization：_________ Email：_______________7 Water resource utilization Economy

8 Circular economy Resource Conservation and Circular Economy Selective Questions (Please tick ? √ ? in the appropriate box）

9 Rural revitalization Giving Back to Society

Please rate the extent to which this report reflects the Group's significant impacts on the economy society and the

10 Social contribution Giving Back to Society environment.

□ Excellent □ Good □ Fair □ Poor □ Very Poor

11 Innovation-driven Innovation-Driven Development Please rate this report's response and disclosure regarding issues of concern to stakeholders.

12 Science and technology ethics Innovation-Driven Development □ Excellent □ Good □ Fair □ Poor □ Very Poor

Please rate the clarity accuracy and completeness of the information indicators and data disclosed in this report.Society 13 Supply chain security Partner Responsibility □ Excellent □ Good □ Fair □ Poor □ Very Poor

14 Equal treatment of small and medium- Materiality Assessment Please rate the readability of this report. sized enterprises

□ Excellent □ Good □ Fair □ Poor □ Very Poor

15 Product and service safety and quality Customer Service Please provide an overall rating for this report.

16 Data security and customer privacy Customer Service □ Excellent □ Good □ Fair □ Poor □ Very Poorprotection

17 Employees Employee Development Open-Ended Questions

18 Due diligence Partner Responsibility 1. What suggestions do you have for the Group's ESG work

Governance Related 19 Stakeholder communication Stakeholder Communication 2. What shortcomings do you fi nd in this report

to Sustainable

Development 20 Anti-commercial bribery and anti-corruption Compliance Management 3. What valuable ESG information do you think this report has provided for you

21 Anti-unfair competition Compliance Management

4. What additional ESG information do you think this report needs to disclose

74 75Appendix Sino-Platinum Metals Co. Ltd. 2025 ESG Report

Rating Report

A Quick Guide to the "Sino-Platinum Metals Co. Ltd. 2025 ESG Report" Rating Report for the "Sino-Platinum Metals Co. Ltd. 2025 ESG Report"

The "Sino-Platinum Metals Co. Ltd. 2025 ESG Report" (hereinafter referred to as "the Report") received a Five-Star rating making it an excellent corporate sustainability

report. Commissioned by Sino-Platinum Metals Co. Ltd. for the fourth consecutive year the "China Enterprise Social Responsibility Report Rating Expert Committee"

I. Rating Report selected experts to form a rating panel to evaluate the Report.I. Rating Basis Innovation （★★★★★）

The Report features a special section on "Deepening Party Building to Lead New

1. Corporate Sustainability Disclosure Standards – Basic Standards (Trial) Development" highlighting the Company's state-owned enterprise character of leading high-quality development with high-quality Party building. The "Looking Back at 2025"

2. Shanghai Stock Exchange Listed Company Self-Regulatory Guidelines No. 14 – section focus presents the Company's highlight performance major events and annual

Rating Result Rating Icon Development Level Sustainability Reporting (for Trial Implementation)

honors demonstrating the leading nature of the Company's responsibility fulfi llment.The 2025 ESG Report of 3. China Corporate Sustainability Reporting Guide (CASS-ESG 6.0) – Metal Actively responding to international standards and regulatory requirements the

Yunnan Precious Metal Five-Star Plus ★★★★★ + Exemplary

Report discloses multiple topics such as addressing climate change and product and

Products Industry service safety and quality with reference to the four-pillar framework of "Governance"

New Ma te r i a l Ho ld ing Five-Star ★★★★★ Excellent 4. China Corporate Sustainability Report Rating Standards (2026) "Strategy" "Impact Risk and Opportunity Management" and "Indicators and Targets" enhancing the standardization of information disclosure and demonstrating excellent

Group Co. Ltd. (hereinafter Four-and-a-Half-Star ★★★★☆ Leading II. Rating Analysis innovation performance.referred to as the "Report") Four-Star ★★★★ Outstanding III. Comprehensive Rating（★★★★★）

The Report is rated as Five- Three-Star ★★★ Good Process（★★★★★）

Star an excellent corporate The Company established a Social Responsibility Leadership Working Group Two-star ★★ Developing with the Group's Party Committee Secretary and Chairman serving as the Group After evaluation by the rating panel the "Sino-Platinum Metals Co. Ltd. 2025 ESG

sustainability report. Leader responsible for researching and guiding report preparation while the Report" received a Five-Star rating making it an excellent corporate sustainability One-Star ★ Initial Board of Directors is responsible for final review. Preliminary research was report.conducted around report preparation and an ESG indicator system covering

five aspects—report preface environment society governance and report

II. Highlight Achievements postscript—was established to further improve the report preparation level. Before Rating Result Rating Icon Development Levelthe commencement of report preparation special training was provided to ESG

work leaders at all levels to clarify key report work priorities. The Company actively Five-Star Plus ★★★★★ + Exemplary

participated in ESG-themed activities such as the Yunnan Provincial State-owned

14 Enterprises 2025 Series of Press Conferences on Fulfi lling Social Responsibility Five-Star ★★★★★ Excellent

11 Groups of and Promoting Sustainable Development and the Yunnan State-owned Assets and Four-and-a-Half-Star ★★★★☆ Leadingemployee rights State-owned Enterprises 2025 Social Responsibility (Sustainable Development) Process ★★★★★ protection Special Training continuously improving its ESG work level. The report is planned Four-Star ★★★★ OutstandingGroups of occupational to be presented in electronic and print formats demonstrating excellent process Materiality ★★★★★ pollutant health and work performance. Three-Star ★★★ GoodTwo-Star ★★ Developing

Completeness ★★★★☆ emissions safety Materiality （★★★★★）

The Report systematically disclosed key issues for the metal products industry One-Star ★ Initial

Balance ★★★★★ including addressing climate change pollutant emissions waste treatment energy

Comparability ★★★★★ 4 and resource conservation R&D and application of environmental products or technologies sustainable supply chain product and service safety and quality

Readability ★★★★★ Groups of anti- occupational health and work safety sustainable governance mechanisms and

IV. Recommendations for Improvement

commercial anti-commercial bribery and anti-corruption with detailed and comprehensive

Innovation ★★★★★ bribery and anti- descriptions. Among them the three topics with the most extensive coverage Increase the disclosure of core indicators under topics such as circular economy were product and service safety and quality (7 pages) addressing climate change

corruptio and sustainable supply chain to further enhance the completeness of the Report.(6 pages) and sustainable governance mechanisms (4 pages) demonstrating

excellent materiality performance.Completeness （★★★★☆）

The main content of the Report systematically disclosed 87.95% of the core V. Rating Medal

indicators for the metal products industry from the perspectives of "Symbiotic

Guardianship for a Green Future" "Sharing for a Better Future" and "Co- Sino-Platinum Metals Co. Ltd. has participated in the report rating for four

The Report achieved Five-Star The Report systematically disclosed 87.95% of the core T h e R e p o r t d i s c l o s e d t h r e e - y e a r governance for a Sustainable Future." Among them the core indicator coverage rates for topics such as waste treatment environmental compliance management consecutive years and has received a Five-Star rating for three consecutive years

ratings in Process Materiality indicators for the metal products industry. Among them comparative data for 112 key indicators and water resource utilization under the environmental dimension; rural earning a Bronze Medal.Balance Comparability the core indicator coverage rates for topics such as waste in detail. Among them the three-year revitalization innovation-driven development product and service safety and

Readability and Innovation treatment environmental compliance management comparable data disclosure for pollutant quality data security and customer privacy protection employee rights protection occupational health and work safety and career development and training

and a Four-and-a-Half-Star and water resource utilization under the environmental emiss ions under the env i ronmenta l under the social dimension; and stakeholder communication and anti-unfair Report Rating Trend

rating in Completeness. dimension; rural revi ta l izat ion innovat ion-dr iven dimension employee rights protection competition under the governance dimension were the highest all reaching 100%

development and product and service safety and quality occupational health and work safety under demonstrating leading completeness performance. Five-Star Five-Star Five-Star

under the social dimension; and stakeholder communication the social dimension and anti-commercial Balance （★★★★★）

and anti-unfair competition under the governance dimension bribery and anti-corruption under the The Report disclosed negative data information such as "labor disputes" Four-and-a-Half-Star

were the highest all reaching 100%. governance dimension was the most "employee turnover rate" "new occupational disease cases" "number of work safety accidents" and "work days lost due to work-related injuries" and briefly

comprehensive. described situations such as "no major sudden environmental incidents or

environmental violations leading to criminal penalties" demonstrating excellent

III. Recommendations for Improvement balance performance.Comparability （★★★★★）

Increase the disclosure of core indicators under topics such as circular economy and sustainable supply chain to further enhance The Report disclosed three-year comparative data for 112 key indicators in detail including "total profit" "total tax paid" "environmental protection expenditure" 2022 2023 2024 2025

the completeness of the Report. "greenhouse gas emission intensity" "average paid annual leave days per person"

and "ESG training participants" and explained the statistical scope of greenhouse

gas emissions. Among them the three-year comparable data disclosure for

pollutant emissions under the environmental dimension (11 groups) employee

IV. Rating Medal rights protection and occupational health and work safety under the social

dimension (14 groups each) and anti-commercial bribery and anti-corruption under

Report Rating Trend the governance dimension (4 groups) was the most comprehensive. Horizontal

comparisons such as "ranking fi rst in China and fi fth globally in the precious metals

Five-Star Five-Star Five-Star fi eld" were also provided demonstrating excellent comparability performance.Sino-Platinum Metals Co. Ltd. Four-and-a-Half-Star Readability （★★★★★）

Vice Chairman of the Rating Expert Committee

has participated in the report The Report comprehensively elaborated on the Company's annual responsibility practices and achievements from three major chapters—Environment Society and Scan to View

rat ing for four consecutive Governance—with a clear framework structure and prominent key topics. The cover Rating Profi ledesign incorporates precious metal elements (such as chemical symbols like Pt

years and has received a Five- Pd) echoing the Company's core business with a distinctive style. The inclusion of

Star rating for three consecutive "Further Reading" sections interpreting industry-specifi c terminology enhanced the report's readability. The internal layout is simple and fresh with fl exible and varied Isuing Date: March

years earning a Bronze Medal. use of graphics and text demonstrating excellent readability performance. 312026 Rating Panel Leader Rating Panel Expert

2022202320242025

7677

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competition

Stakeholder

communication

Product and service

safety and quality

Innovation-driven

Rural revitalization

Water resource utilization

Environmental compliance

management

Waste treatmentAddress: No. 988 Keji Road The High and New Technology Industry Development ZoneKunming Yunnan China

Tel: 0871-68329955

Website: http://www.sino-precious.com