Contents About the Report 01 2025 Sustainability 06 Annual Feature 15 Appendix 74 Chairman's Message 02 Performance AI Empowerment to Usher in an 15 Sustainability Strategy and 08 Intelligent and Innovative FutureAbout GCL SI 03 Governance Leading in Low Carbon to Jointly 18 Build a Green Ecosystem Responding to Climate Change 23 Labor Rights Protection 40 Innovation-Driven Development 57 Corporate Governance 68 Environmental Compliance 29 Diversity Equity and Inclusion 44 Industry Collaboration and Exchange 61 Compliance and Risk Management 70 Management Employee Training 45 Product Safety and Quality 63 Anti-Bribery and Anti-Corruption 72 Energy Management and 30 and Development Customer Service 65 Anti-Unfair Competition 73 Renewable Energy Utilization Occupational Health and Safety 48 Data Security and Privacy Protection 66 Water Stewardship 32 Responsible Supply Chain 51 Pollutant & Emissions 34 Community Contribution 54 Management Rural Revitalization 55 Waste Management 36 Circular Economy 37 Ecosystem and Biodiversity 38 ConservationGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 01 About the Report Introduction 2025 Sustainability Report (hereinafter referred to as "the Report") con- Data Sources The data utilized in the Report originates from various sources in- stitutes the fifth Sustainability/Environmental Social and Governance cluding the Company's internal statistical reports financial reports (ESG) Report issued by GCL System Integration Technology Co. Ltd. public documents questionnaire surveys or interviews. Financial (hereinafter referred to as "GCL SI" "the Company" or "we") aiming to data presented in the Report is denominated in RMB.disclose and showcase the Company's progress in sustainable commit- ments practices performance and management to our stakeholders. Description For ease of reference and readability the following table presents The Report is published on an annual basis. The Reporting Period is Guidelines the full names and corresponding abbreviations of affiliated compa- from January 1 2025 to December 31 2025 (hereinafter referred to as nies in the Report: the "Reporting Period"). To reflect consistency comparability and com- pleteness of the key performance information contents of the Report Full Name of Affiliated Company Abbreviation refer back to previous years or cover the year 2026 as appropriate.Hefei GCL SI New Energy Technology Co. Ltd. Hefei GCL SI Funing GCL SI Technology Co. Ltd. Funing GCL SI Scope of The organizational scope of the Report encompasses GCL SI and the Report affiliated companies. In cases where the specific data scope deviates Wuhu GCL SI New Energy Technology Co. Ltd. WUHU GCL SI from the Reporting scope such distinctions will be explicitly stated GCL Green Energy System Technology Co. Ltd. GCL Green Energy in the text.Report The Company and the Board of Directors (the Board) of GCL SI joint- Reporting The Report complies with the requirements of Shenzhen Stock Reliability ly commit that there are no false records misleading statements or Standards and AssuranceExchange Self-Regulatory Guidelines No. 17 for Listed Companies material omissions in the content of the Report. We are fully respon- Guidelines of Shenzhen Stock Exchange - Sustainability Report (Pilot). In addi- sible for the authenticity accuracy and completeness of the infor- tion the Report refers to the latest Global Sustainability Standards mation contained herein. This Report was approved by the Board of Committee Sustainable Development Reporting Standards (GRI Directors on April 27 2026.Standards hereinafter referred to as "GRI") of Global Sustainability Standards Board the Reporting disclosure requirements of Sustain- Format of The online version of the Report is accessible on the official website able Development Goals (SDGs) Enterprise Action Guidance and the Report Release of GCL SI (https://www.gclsi.com) and the CNINFO website (http:// rating standards such as EcoVadis and CDP. www.cninfo.com.cn).GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 02 Chairman's Message The year 2025 marks the tenth anniversary of GCL SI. The past decade also coincides with the vigorous rise of China's new energy industry which has profoundly reshaped the global energy landscape. Over the past decade China's photovoltaic (PV) industry has forged ahead with relentless efforts. By virtue of technological innovation and industrial strength China's PV industry has been injecting momentum to global energy transformation and accelerating the clean and low-carbon transition of the global energy system. As a major player contributor and builder in China's PV industry GCL SI always keeps abreast with the times. Guided by a "relentless combat spirit" the Company remains de- voted to the PV industry and upholds sustainability concepts. As such we have evolved into a cornerstone of the global PV industry from a humble beginning achieving sustained growth through steadfast actions.Co-building a sustainable ecosystem through climate actions of PV modules significantly improving production efficiency and op- and carbon chain synergy erational management. Innovation lies in the iteration of technology.In response to global climate challenges GCL SI has not only made de- More importantly it symbolizes the restructuring of system capabilities.carbonization efforts in its own operations but also has pioneered the Therefore innovation endows GCL SI with core competitiveness and development of the "GCL Carbon Chain" management platform that enduring momentum for fundamental business development.covers the entire industry chain by leveraging the advantages of GCL Group. We have extended carbon management across the upstream Strengthening responsible governance for a brighter future and downstream of the industry chain. By precisely tracking the carbon Governance serves as a bedrock for an enterprise's steady and sus- footprint throughout product lifecycle with digital tools we encourage tained progress. Adhering to the culture of "identification responsi- supply chain partners and clients to take climate actions. From green bility and integration" GCL SI profoundly practices ESG philosophy in raw material procurement and low-carbon manufacturing to innovative corporate governance. We enhance the diversity and professionalism scenario-based solutions we implement green practices throughout of the Board strengthen risk management and operational compli- the value chain. This initiative makes clean energy a solid foundation for ance increase commercial trust through transparent communication industrial upgrading green ecosystem and high-quality development. and shoulder responsibilities to meet stakeholders' expectations. The Company ensures robust development with efficient governance.While creating economic value we fulfill social responsibilities for Advancing innovation-driven approaches to lead technological long-term benefits of both the Company and society.leaps through digitalization and intelligence Innovation is the essence of GCL SI. In the field of core PV technolo- A decade of dedicated efforts have culminated in success. At a new gy we lead industry development through consistent openness and stage that bridges past achievements with future endeavors GCL SI innovation. For example the efficiency of GPC 2.0 modules has been strives for a new journey with a combat spirit. By virtue of innovation increased to over 27.5%. The photovoltaic conversion efficiency of GTC and high-quality development we participate in and contribute to perovskite tandem cells has reached 33.31% as certified by authori- the global transition toward clean energy. We join hands to foster an tative institutions ranking among the world's top tier. The Company open and inclusive industrial ecosystem thus dedicating ourselves to is committed to driving industrial upgrading through technological a clean low-carbon safe and efficient global energy system.innovation. We integrate artificial intelligence (AI) into intelligent man- ufacturing quality inspection and corporate operations. AI enables in- Chairman of GCL SI telligent process control and empowers the entire production process Zhu YufengGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 03 About GCL SI Company Overview GCL System Integration Technology Co. Ltd. (002506.SZ) is one of the four Corporate Culture listed companies under GCL Group. Adhering to the concept of "bringing green power to life" we deeply integrate the defining trend of green and low-carbon development with our long-standing expertise in the renewa- ble energy sector. Under the strategic guidance of "Technological Digital ion Empower green development s s Vis Become a leading global and Green GCL SI" we uphold the "combat spirit" to advance sustainable i ioand continuously create value M provider of energy system development. The Company strives to become a globally leading provider solutions of energy system solutions. We are primarily engaged in the R&D design production sales and one-stop services of high-efficiency PV cells and differentiated modules power station EPC (Engineering Procurement and Construction) integrated energy storage systems and related products. Lead with Values Power with Entrepreneurship The Company adheres to the concept of "technology leading and innova- Innovation Excel through Innovation Competi- tion-driven" consistently pursuing a strategic path of high-quality efficient Dedication Unite as One tion Transcendence and differentiated product technologies. Building on GCL Group's global Culture brand influence we actively expand global market presence to achieve long-term sustainable growth. Concise Efficient Disciplined Dynamic The year 2025 marks the tenth anniversary of GCL SI's IPO. Since complet- ing restructuring and renaming for IPO in 2015 the Company has evolved from a PV system integrator into a globally leading manufacturer of high-ef- ficiency modules and provider of green energy solutions. Over the past decade GCL SI has steadfastly upheld sustainability principles and driven the integration of technological innovation with ESG practices. By expand- ing presence in cutting-edge fields such as TOPCon BC and perovskite tandem modules the Company has been fueling the global energy tran- sition. Embarking on a new journey the Company will stick to the "NEXT" strategy and pursue high-quality low-carbon and intelligent development to inject robust momentum into the global green energy transition.Corporate Spirit n ValueGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 04 10-Year Milestones of IPO 2015201820222024 * After officially changing name from * The Company released high-efficiency * The Company achieved mass produc- * The Company's module shipments "Shanghai Chaori Solar Energy Science "shingled" module technology im- tion of TOPCon high-efficiency mod- ranked among the top eight global- & Technology Co. Ltd." to "GCL System proving product power density. ules with an efficiency over 22.5%. ly with a high-efficiency production Integration Technology Co. Ltd." the * The Company initiated collaborative capacity of over 30 GW.Company entered a new phase dedi- R&D on perovskite tandem technol- * The Company launched the "GCL cated to PV system integration. 2019 ogy positioning itself in next-genera- Carbon Chain" carbon footprint * The Company intensified R&D efforts tion PV technology. management platform. 2016 in heterojunction (HJT) cell technology and established a pilot production line.* The Company initiated the "PV+" 2023 2025 strategy expanding into distributed * The intelligent cell manufacturing * Through efficient coordination among PV facilities energy storage and 2020 base of Wuhu GCL SI commenced op- three major production bases the Com- energy internet services. erations focusing on the integrated pany achieved a production capacity of * The Company announced a comprehen- production of high-efficiency TOPCon 30GW for modules and 16GW for TOP- sive shift toward large-size (182/210mm) 2017 cells and modules. Con cells.silicon wafer module technology. * The Company released the "NEXT" * The Company witnessed a break- * The Company unveiled the "Smart sustainable development strategy through in mass production for BC cells Energy Integrated Solutions" strategy and joined the United Nations Global as well as batch delivery for GPC2.0 strengthening its capabilities in EPC 2021 Compact (UNGC). modules with the power of 660W. (Engineering Procurement and Con- * Hefei GCL SI launched full-scale con- struction) and system integration. struction of 60GW high-efficiency * The Company's module shipments module production base laying a sol- ranked among the top ten globally. id foundation for capacity expansion. 2015 ～ 2025GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 05 Corporate Culture Compilation on the 10th IPO Anniversary GCL SI values the guiding role of corporate culture. Upon the 10th IPO anniversary the Company reviewed its cultural practices in a structured manner successively releasing the Compilation of Combat Culture Practices and the Compilation of Combat Figures: Ex- emplary Strength. These collections embody the culture of "relentless combat spirit" and highlight GCL SI's cultural essence and organizational cohesion featuring hardworking and pragmatic action.A Series of Themed Activities for the 10th IPO Anniversary Themed "Light from Solar Power" In 2025 GCL SI launched a series of themed activities for the 10th IPO anniversary themed "Light from Solar Power". By organizing the photography exhibition themed "A Decade in a Flash: Brilliant Moments" the Company comprehensively showcased key achievements in low-carbon manufacturing intelligent production talent development and global presence. Meanwhile the Company carried out diverse cultural projects such as the exhibition of green achievements themed "Carbon Ledger of Gathering Light".These initiatives highlighted GCL SI's firm commitment over the past decade to promot- ing green energy and responsibility in driving high-quality development. These efforts also helped foster transparent communication and collaborative value creation.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 06 2025 Sustainability Performance A Grade in 2024 Supplier Engagement Rating EcoVadis Sustainability B Grade in 2025 CDP Climate Silver Medal AA Grade Change Questionnaire（Top 15% globally Top 7% in industry） B Grade in 2025 CDP Water Wind Security Questionnaire EcoVadis Global Climate Disclosure Platform (CDP) 2024-2025 Forbes China Sus- ESG Golden Bull 2025 Excellence in Sustainable tainable Development Indus- Award Top 100 Development Practice Case trial Enterprises China Securities Journal China Association for Forbes China Public Companies 2025 ESG Value Communication Award Golden Tangerine Awards of Time for Listed Companies Finance - Sustainable Development 2025 Excellence in ESG 2025 Excellence in Investor Relations De- Listed Company Award Practice Case velopment Award for Listed Companies 2025 Best Practice Award for Digital Times Finance China Times Innovation in the Board Office Easy BoardGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 07 Economic Revenue Renewable energy-related revenue as a percentage of total revenue R&D investment RMB15343.26 million 100% RMB149.52 million 「N」ature Electricity consumption per unit of output Water consumption per unit of output General industrial solid waste recycling rate GHG emissions per unit of output (market-based) 25.73 MWh/MW 19.22 Tonnes/MW 99.69% 4.20 tCO2e/MW Hefei GCL SI Funing GCL SI and Wuhu GCL SI have all obtained the ISO 14001 Environ- Hefei GCL SI Funing GCL SI and Wuhu GCL SI have all obtained the ISO 50001 Energy mental Management System Certification covering 100% of the PV module-related Management System Certification covering 100% of the PV module-related production bases. production bases.「E」quity Number of ethnic Average training hours Proportion of new suppliers obtained Envi- Proportion of new suppliers obtained Quality Number of employees minority employees per employee ronmental Management System Certification Management System Certification 4761 150 36.63 hours 75.00% 84.38% Hefei GCL SI Funing GCL SI and Wuhu GCL SI have all obtained the ISO 45001 Occupational Health and Safety Manage- Hefei GCL SI Funing GCL SI and Wuhu GCL SI have ob- ment System Certification covering 100% of the PV module-related production bases. tained the SA8000 Social Accountability Certification.E「X」cellence 「T」rust Cumulative number of patents authorized Number of R&D personnel Number of product recall incidents Coverage rate of anti-cor- Coverage rate of busi- 826 293 0 ruption training ness ethics training 100%100% Customer satisfaction score The Company's IT infrastructure and information systems have all ob- 99.8 Coverage rate of business tained the ISO 27001 certification. ethics audit 100%GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 08 Sustainability Strategy and Governance Sustainability Strategy As a green energy solution provider GCL SI utilizes the power of digital technology to implement the guiding principle of "Carbon Emissions Reduction with Technologies". While advancing its own green development the Company empowers decarbonization across the value chain through innovative technologies thus contributing GCL SI's expertise to the global clean energy transi- tion and a net-zero future. As such we implement the "NEXT" strategy to embrace a low-carbon inclusive trustworthy and sustainable world.With a vision of "building a PV ecosystem with adhering to sustainability in both business development and social development" we steadfastly pursue the "NEXT" sustainable development strategy uphold the Ten Principles of the UNGC covering human rights labor environment and anti-corruption. Building on our four strategic pillars of "Nature Equity EXcellence and Trust" we have achieved progress in 25 key issues and strategic targets by means of pragmatic management and practices.Strategic Pillar Key Issue Contribution to SDGs Strategic Target Progress in 2025 * We actively respond to the national Carbon Peak and Neutrality targets initiate our * In 2025 the absolute emissions of Scope own "zero-carbon" strategy and commit to reducing carbon emissions across internal 1 and Scope 2 decreased by 48.10% operations and the value chain. compared with 2024.* We commit to actively conducting carbon chain traceability and carbon footprint eval- * In 2025 emissions from purchased goods Responding to uation certification for our products completing full-chain carbon footprint tracing. and services per unit of output increased Climate Change * Scope 1 & 2: Reduce absolute emissions by 63% by 2035 compared to 2024. by 1.6% compared with 2024.* Scope 3: Reduce carbon emissions from purchased goods and services per unit of out- * In 2025 the average product carbon put by 67.33% by 2035 compared to 2024. footprint is 337.4 kg CO *2 e/kW a 14.5% Reduce average product carbon footprint by 5% year-on-year from 2024 to 2030. decrease compared to 2024.* By 2030 at least use the GCL Carbon Chain platform to provide customers with all re- * In 2025 the product carbon footprint quired product carbon footprint information. coverage rate reaches 62.50%.Nature Energy Management * Reduce electricity consumption per unit of product by 5% year-on-year from 2024 to * In 2025 the electricity consumption and Renewable per unit of product decreased by Energy Utilization 2030. 7.1% compared with 2024.Environmental * We commit to strictly complying with local environmental protection laws and regu- Compliance lations actively implementing environmental protection measures and reducing the * In 2025 GCL SI reported none of inci- Management impact of our operations on the environment. dents of excessive discharge.* In 2025 Funing GCL SI donated RMB Ecosystem and 300000 to the Yancheng Yellow Sea Biodiversity * We commit to reducing direct pressure on biodiversity and promoting sustainable use Wetland Natural Heritage Protection Conservation of natural resources. Foundation for wetland restoration biodiversity conservation and envi- ronmental education.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 09 Strategic Key Issue Contribution Pillar to SDGs Strategic Target Progress in 2025 * We commit to maximizing water-saving strategies and enhancing water recycling * In 2025 we reduced water consump- Water Stewardship throughout the production process. tion per unit of output by 23.5% * Reduce water consumption per unit of output by 8% by 2030 compared to 2024. compared to the base year.* We commit to strictly complying with relevant laws and regulations implementing full-process supervision of general solid and hazardous waste and increasing the com- * In 2025 we reduced waste genera-Waste Management prehensive utilization rate of waste. tion per unit of output by 31% com- * Reduce waste generation per unit of output by 30% by 2030 compared to 2023. pared to the base year.Nature * We commit to vigorously developing a circular economy exploring high-value recycling Circular Economy pathways for "retired" PV modules and promoting the implementation of reutilization * In 2025 we achieved a 61.49% re- and recycling projects for waste modules. cycling rate for solar cell packaging * Achieve a 100% recycling rate for solar cell packaging materials by 2030. materials.Pollutant & Emis- * We commit to strictly implementing national and local air pollution prevention and control standards using advanced treatment processes facilities and optimized pro- * In 2025 GCL SI reported none of inci-sions Management duction technologies to reduce emissions. dents of excessive discharge.* We commit to establishing constructive relationships with employees and trade union representatives respecting employees' rights to engage in or refrain from collective * In 2025 we achieved 100% of em- bargaining in accordance with local laws. ployees covered by collective bar- * We commit to ensuring all employees receive adequate wages reasonable working gaining agreements.hours and benefits providing them with good working conditions. * In 2025 we achieved 100% of em- * We commit to not using or tolerating child labor forced labor debt bondage contract ployees in the Chinese mainland cov- slavery involuntary prison labor slave labor or human trafficking in our business and ered by social insurance.Labor Rights supply chain operations. * In 2025 we conducted an internal Protection * We commit to respecting the land rights of local communities in our areas of operation. salary competitiveness assessment * We commit to protecting employee rights and strive to improve employee satisfaction. covering all employees to ensure * In 2025 we achieved 100% of employees covered by collective bargaining agreements. market-competitive compensation.* Maintain 100% of full-time employees in Mainland China with social insurance at least * In 2025 external audits covering all until 2030. production bases (including issues Equity * Maintain competitive salaries for all employees at least until 2030. of child labor and forced labor) were * Achieve external audits covering all production bases for child labor and forced labor successfully passed.issues by 2028.* We commit to treating all employees equally fairly and with respect. * In 2025 we organized diversity an- Diversity Equity * We commit to respecting and caring for female employees valuing their development and eliminating all forms of discrimination and harassment. ti-discrimination and anti-harass-and Inclusion * Maintain diversity anti-discrimination and anti-harassment awareness training cover- ment awareness training covering all ing all employees annually until 2030. employees.* We commit to providing a safe and healthy working environment for all employees Occupational Health contractors and partners and to continuously improving safety management levels. * In 2025 the Company recorded zero and Safety * Maintain zero incidents of fire explosion work-related fatality and occupational dis- incidents of fire explosion work-relat- eases at least until 2030. ed fatality and occupational diseases.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 10 Strategic Key Issue Contribution Pillar to SDGs Strategic Target Progress in 2025 Employee Training * We commit to supporting employee career development through sufficient training. * In 2025 the average training hours and Development * Increase average training hours per employee by 20% by 2030 based on 2024 levels. per employee increased 93.3% com-pared with 2024.* In 2025 we achieved 100% of procure- ment team members trained on supply chain environmental labor and human * We commit to prioritizing suppliers with robust environmental and labor and human rights issues.rights management systems under equal conditions. * In 2025 we achieved 100% conflict min- * We commit to not intentionally purchasing or supplying products containing conflict minerals. erals audit for suppliers of 3TG materials.* Maintain 100% of procurement team members trained on supply chain environmental * In 2025 we achieved 95%1 signing rate Responsible labor and human rights issues at least until 2030. of the Code of Conduct for Business Supply Chain * Achieve 100% conflict minerals audit for suppliers of 3TG materials by 2025. Partners and 100% signing rate of integ-* Achieve 100% signing rate of the Code of Conduct for Business Partners and integrity com- rity commitment clauses by suppliers.mitment clauses by suppliers by 2025. * In 2025 we achieved 94% ESG audit Equity * Achieve 100% ESG audit coverage for core suppliers by 2026. coverage for core suppliers and 20% * Achieve 100% third-party ESG audit coverage for core suppliers by 2028. third-party ESG audit coverage for * Maintain 100% participation of core suppliers in ESG capacity-building at least until 2030. core suppliers.* In 2025 we achieved 100% participa- tion of core suppliers in ESG capaci- ty-building.Equal Treatment * We commit to adhering to the principles of fairness and justice providing equal coop- * In 2025 the Company experienced no of SMEs eration opportunities for all partners especially SMEs. incidents of overdue payment to SMEs.Community * Conduct at least four employee volunteer services annually at least until 2030. * In 2025 we conducted 5 employee Contribution volunteer service activities.* We commit to actively responding to the national call for rural revitalization consolidat- * In 2025 the Company carried out Rural Revitalization ing and expanding the results of poverty alleviation providing clean energy to impover- multiple agricultural support ini- ished areas and promoting local green economic development and rural revitalization. tiatives helping farmers increase income and achieve prosperity.Innovation-Driven * Increase R&D investment by 20% by 2028 based on 2024 levels. * In 2025 the R&D investment de-Development creased 28.9%2 compared with 2024.EXcellence Customer Service * Maintain customer satisfaction above 97 points annually at least until 2030. * In 2025 the customer satisfaction score reached 99.8. 1The Company requires all suppliers to sign the Code of Conduct for Business Partners. Some existing suppliers have not signed the agreement due to their own reasons. The Company has already communicated the requirements of the Code of Conduct for Business Partners to these non-signing suppliers and has implemented strict standards for their ESG management. 2 The decline in R&D investment is mainly due to lower material usage.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 11 Strategic Pillar Key Issue Contribution to SDGs Strategic Target Progress in 2025 * We commit to continuously improving product quality and providing outstanding prod- Product Safety ucts to customers.* We commit to strengthening the control of hazardous substances in the design and * In 2025 we maintained zero product and Quality production of PV modules. recalls.* Maintain zero product recalls annually at least until 2030.* In 2025 the Company established Industry Collabora- * We commit to actively engaging in various industry collaborations and exchanges lev- strategic collaborations with nu- EXcellence tion and Exchange eraging our strengths to work with upstream and downstream partners in the industrial merous domestic and international chain to jointly promote innovation and global energy transition in the PV industry. partners and joined the Global Solar Sustainable Alliance.* We commit to responsibly managing confidential information and reducing informa- * In 2025 we conducted IT security Data Security and tion security risks for the Company.risk assessments across all opera- tions.Privacy Protection * Conduct IT security risk assessments across all operations by 2030.* Achieve ISO 27001 certification for all IT infrastructure and information systems by * In 2025 we achieved ISO 27001 cer- 2027. tification for all IT infrastructure and information systems. * In 2025 the Company refined the Corporate * We commit to continuously optimizing the corporate governance structure and improving governance structure and enhanced Governance governance levels based on the principles of integrity transparency and standardization. transparency management for steady progress in governance performance.* We commit to establishing a comprehensive compliance management system and * From 2024 to 2025 we achieved 100% internal control mechanisms to ensure the standardized operation of all business activ- internal audit coverage for all business ities. entities and subsidiaries.* In 2025 we achieved a problem rectifica- Compliance and * Maintain 100% internal audit coverage for all business entities and subsidiaries every two years at least by 2030. tion completion rate of 100% at internal Risk Management * Maintain a problem rectification completion rate of over 95% at internal audits at least audits.by 2030. * In 2025 we conducted training on con- Trust * Ensure that annual training on conflicts of interest anti-fraud anti-money laundering flicts of interest anti-fraud anti-money and anti-unfair competition topics covers all employees at least by 2030. laundering and anti-unfair competition topics for all employees.Anti-Unfair * We commit to fully implementing principles of integrity in business operations respect- * In 2025 the Company witnessed no Competition ing rules of fair competition and condemning any actions that seek illegal profits. litigation regarding unfair competition.* We commit to firmly opposing corrupt practices strictly complying with all anti-corrup- tion laws and regulations applicable to the Company and regularly conducting internal * In 2025 the Company conducted one Anti-Bribery and anti-corruption audits and inspections. corruption risk assessment covering all Anti-Corruption * Conduct at least one corruption risk assessment covering all locations annually at least locations.by 2030. * In 2025 all employees signed the Integ- * Maintain all employees signing the Integrity Commitment Letter at least by 2030. rity Commitment Letter.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 12 Sustainability Governance Integrating sustainability concepts into corporate governance GCL SI has established a three-tier sustainability management structure comprising governance management and execution levels. The Company has established a Strategy and Sustainability Committee under the Board of Directors which is responsible for overseeing the Company's overall sustainable and climate strategies target-setting and related significant matters. Under the Committee the Company has also established the Sustainability Management Committee the Sustainability Working Groups and the Sustainability Promotion Office at the management level. The Company's business units and functional departments operate at the executive level holding responsibility for the precise execution of ESG matters and the attainment of associated goals. These practices help the sustainability strategy function well at the operational level.Board of Directors Board of Directors * Supervise and manage the Company's overall sustainability-related affairs as the highest governing body for sustainable development of the Company Audit Committee Compensation Strategy and Sustainability CommitteeCommittee * Oversee the Company's overall strategic approaches targets and significant milestones in sustainable development * Conduct research and provide recommendations on the Company's major investment and financing plans significant capital operations Nomination Strategy and and asset operation projects Committee Sustainability Committee * Review and approve sustainable development policies* Review and make recommendations on the Sustainability Management Committee's report on the Company's ESG risk management performance and progress towards achieving goals Sustainability Management Committee * Review and approve the Company's ESG materiality analysis results and Annual Sustainability Report Sustainability Management Committee Sustainability Promotion Office Sustainability Working Groups * Guide and review the formulation of sustainability-related visions targets * Coordinate the Sustainability Working Groups to ad- strategies and frameworks vance daily sustainability work * Define the Company's annual management plans and targets for sustaina- * Identify and prioritize material ESG issues and re- Sustainable ble development view main trends risks and opportunities related to Climate Action Sustainability * Oversee the Company's ESG risk management and progress of sustainabil- sustainable development. Advise on sustainability Working Group Supply Chain ity targets strategies annual management plans and targets Working Group Promotion * Review the Company's ESG materiality analysis results related policies * Monitor and ensure the effectiveness and timeliness Office and Annual Sustainability Report of the ESG risk management system Sustainable Sustainable Disclosure Cultural Devel- Sustainability Working Groups Working Group opment Group * Organize and coordinate business units and functional departments to carry out sustainability-related work * Track and monitor the implementation of sustainable targets and related initiatives Business Units and Functional Departments Business Divisions and Functional Departments * Advance and execute sustainable development initiatives* Participate in regular cross-departmental ESG meetings to understand departmental objectives and develop work plans * Communicate and cooperate with other departments on ESG projects and coordinate departmental resources to implement ESG tasks * Regularly report work progress to the Sustainability Working Groups The Company has established a robust due diligence mechanism to identify assess and effectively address potential sustainability risks in its business operations. The ESG risk due diligence is led by the Board coordinated by the Strategy and Sustainability Committee and executed by the Risk Control Department and relevant functional departments. The scope covers core areas of sustainability including environmental compliance carbon emission management product quality employee rights and business ethics. The results of the due diligence are reported to the Board the Strategy and Sustainability Committee and relevant stakeholders. In 2025 based on the ESG management system we concentrated efforts on developing measures in supply chain management information secu- rity and other areas to safeguard the Company's stable operation.We continue to optimize our ESG governance and regularly review our ESG performance. Moreover we monitor the progress of ESG targets and the implementation of initiatives in key areas such as cli- mate change energy management and renewable energy utilization water management human capital development occupational health and safety anti-corruption and anti-bribery and responsi- ble supply chain management. We phase in the integration of key ESG performance indicators into remuneration assessment thus motivating the management and employees to advance ESG efforts.Governance Level Management Level Execution LevelGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 13 Stakeholder Communication GCL SI places great importance on the expectations and demands of stakeholders viewing them as a crucial driver to on-going improvement. The Company has identified 11 types of stakehold- ers. Among them employees customers suppliers shareholders investors governments and regulators constituted our key stakeholders. The Company has established transparent and open routine communication mechanisms to promptly understand and respond to the concerns and expectations of stakeholders.Engagement with Key Stakeholders and Our Responses Key Stakeholders Issues of Concern Responses and Actions * * Employee activities* Trade union/employee repre-Labor rights protection * Occupational health and safety * Labor contracts Employees * sentative congressesDiversity equity and inclusion * Employee training and development * * Employee benefitsEmployee training * Employee grievance * Product safety and quality * * Customer serviceInnovation-driven development * * Business cooperation * Customer satisfaction surveysCustomers * Data security and privacy protectionEnergy management and renewa- * * Customer service * Customers' complaints and feedbackResponding to climate change ble energy utilization * Responsible supply chain * * Supplier empowerment * Cooperation and collaborationEqual treatment of SMEs Suppliers * Compliance and risk management * * Supplier assessment * Daily communication* Circular economyInnovation-driven development * Green supply chain * Whistleblower mechanism * Annual reports financial state- * Investor survey Shareholders * Innovation-driven development * Compliance and risk management ments and announcements * * * Investor interaction platforms and and investors Corporate governance Responding to climate change * General meeting performance email channels briefings and roadshows * Corporate governance * Environmental compliance management * Compliance and risk management * Rural revitalization * Surveys monitoring and Governments * * * Information disclosureAnti-bribery and anti-corruption Community contribution inspections and regulators * * * * Compliance operationAnti-unfair competition Ecosystem and biodiversity conservation Symposiums * Responding to climate change * Pollutant & emissions managementGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 14 In 2025 in accordance with the requirements of the Shenzhen Stock Ex- change's Guidelines for Sustainability Reporting the Company conducted Upon assessment we identified a total of five material issues that possessed financial materiality name- a dual materiality assessment evaluating the significance of issues from ly product safety and quality responding to climate change innovation-driven development energy both impact materiality and financial materiality perspectives. Our dual management and renewable energy utilization and responsible supply chain. Three of these issues were materiality assessment process is as follows: deemed to have both impact materiality and financial materiality including product safety and quality Identification responding to climate change and innovation-driven development. All material issues identified as sig- nificant are addressed in this Report.Aligned with the 21 issues specified in the Shenzhen Stock Ex- change's "Guidelines for Sustainability Reporting" we assessed and formed a list of 25 ESG issues. This was based on global sustainabil- High Environment ity standards and frameworks (such as GRI and the UN Sustainable Labor Rights Protection Development Goals) international rating industry-related issues Society stakeholder views and insights peer benchmarking of sustainability Compliance and Risk Management Product Safety and Governance performance and analysis of current ESG trends and industry devel- Occupational Health and Safety Quality Corporate Governance opments while also considering the Company's business model. Water Stewardship Responding to Circular Economy Climate Change Anti-bribery and Corruption Survey Employee Training and Development Environmental Compliance Management Innova- Diversity Equity and tion-Driven Impact materiality survey questionnaires were distributed to stake- Inclusion Anti-Unfair Com- petition Energy Management holders including employees customers suppliers and government Waste Management Information Security and and Renewable Energy Utilization regulatory authorities. Financial materiality survey questionnaires Privacy Protection Customer Service were distributed to the Company's management personnel. Group Pollutant & Responsible Supply Chain discussions were conducted with senior management and the Sus- Emissions Man- agement Industrial Cooperation tainability Working Group to assess the financial impact of each issue. and ExchangeCommunity Contribution Equal Treatment of SMEs Prioritization Ecosystem and Biodiversity Conservation Rural Revitalization We conducted data analysis and statistics on the survey results ranking the significance of each ESG issue from both impact materi- ality and financial materiality dimensions.Low Financial significance High Validation The survey results were reviewed and validated by the Strategy and Sustainability Committee under the Board and external experts ulti- GCL SI Dual-Material Issues Matrix mately forming the GCL SI Dual-Material Issues Matrix.Impact significanceGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 15 Annual Feature Focusing on Advanced AI Technologies under the Digitalization Strategy AI Empowerment GCL SI guided by the strategic orientation of "Industry 4.0 Intelligent Manufacturing + Green and Low-Carbon" has coordinated intelligent and for an Intelligent and green manufacturing from all aspects. Under this framework the Company deeply integrates AI technologies to build a digital strategy system sup-ported by a comprehensive business data governance platform and an AI technology platform. We prioritize production efficiency enhancement Innovative Future and function improvement push forward the R&D and application of cutting-edge AI technologies and transform AI technologies from an auxiliary In the new era of digital transformation application into a core driver. By doing so we work to establish a global benchmark for intelligent manufacturing in the PV industry.and green low-carbon development the Company adheres to the core strategy of "Technological Digital and Green GCL SI" to embrace Artificial In- telligence (AI) and other technological trends and regard them as a core en- Silicon Manufacturing Domain System Integration Domain New Business Incubation Domain gine for high-quality development. By actively applying AI technologies across Market Customer all scenarios of production operation Quality R&D Development Insights Toolchain Software and management the Company aims to achieve efficiency breakthroughs and Production Project Management Center enhance management effectiveness by Smart Logistics Solution DesignExecution Management Empowerment Support means of technological innovation. In this way we set a benchmark for AI em- Warehouse Production Channel powerment in the PV industry. Drawing EMSManagement Big Data Management upon the comprehensive capabilities in innovation we strive to sharpen global market competitiveness and create sus- Enterprise-level Data Governance Platform + AI Technology Platform tainable value for customers.SAP il EC H R S ys t e m Contract Management Business GCL WeCom Ema Busines e C h a se W t) s Travel Information C R M C a r b o n C h a i n S m art Chain (Enterpri System (MIS) Network and Hardware Infrastructure GCL SI Digital Strategy SystemGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 16 Establishing a Benchmark for Intelligent Manufacturing for AI-Enabled Production Efficiency Enhancement Leveraging the expertise in PV production GCL SI integrates advanced AI technologies with manufacturing techniques to eliminate bottlenecks in traditional production methods. This ena- bles an intelligent precise and efficient transformation of production processes thus solidifying the core competitiveness in intelligent manufacturing.AI Solutions to Challenges in Cell Inspection AI-Enabled Intelligent Process Control Wuhu GCL SI focuses on solving challenges in battery cell inspection by implementing AI-empowered Wuhu GCL SI has pioneered the large-scale implementation of an image classification technology for batteries. This technology employs a lightweight AI detection model AI-enabled intelligent process control system in the PV industry capable of accurately identifying 13 common defects in electroluminescence (EL) images of PV cells such establishing a benchmark for high-precision AI-driven intelligent as cracks star cracks and broken gridlines. Its detection accuracy reaches industry-leading standards. Ad- manufacturing for TOPCon cells. Based on the in-house TopCon- ditionally the technology significantly reduces model parameters and computational requirements and MoE-7B industrial large model the project combines multiple is easier to deploy in embedded production equipment. This addresses industry-wide pain points of tra- algorithms to achieve millisecond-level closed-loop control of ditional EL defect detection such as low efficiency high false detection rate and heavy reliance on profes- core processes such as boron diffusion phosphorus diffusion sionals. As a result this technology enables rapid non-destructive and precise detection of cell defects. and LPCVD. This approach enhances control precision by 10% In the meantime Wuhu GCL SI has implemented a precise classification technology for defective PV cells. and reduces response time to within 1.8 seconds. This solution By running AI algorithms this technology accurately grades and categorizes identified defective cells significantly lowers manual reliance and energy consumption significantly reducing labor costs and providing data support for subsequent recycling. This initiative sub- minimizes resource waste due to process variability and raises stantially enhances production resource utilization. product yield and energy efficiency. Built on an advanced frame- work that combines data-driven approaches with integrated mechanisms we speed up intelligent manufacturing upgrades.The PV Module Production Process Empowered by AI Visual Inspection Hefei GCL SI has developed an AI visual inspection system for key processes throughout PV module production including raw material entry encapsulation testing and finished product shipment. This system applies AI visual inspection technology to intelligently analyze appearance and performance data of modules during production and accurately identify various defects so as to realize comprehensive full-process defect inspection for modules. Compared with traditional manual inspection the AI-empowered system has improved inspection effi- ciency by multiple times and significantly reduced false positives and missed detections. Specifically the ratio of defective products decreased by 17% and the process quality inspection efficiency increased by 73%. Moreover the AI visual inspection system drives the intelligent upgrading in module production and guarantees the stability of product quality.AI Empowerment for an Intelligent and Innovative FutureGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 17 Enhancing Management Efficiency Creating a Green and Intelligent Future with Relent- Through R&D of AI Tools less AI-Related Efforts GCL SI has expanded the application of AI technology into functional Thanks to advanced practices in AI empowerment and digital transformation the Company has received high management. By independently developing multiple AI-powered tools acclaim from the industry and government authorities. In 2025 Wuhu GCL SI gained approval for three soft- we have shifted functional management from "traditional and manual" ware copyrights was recognized as an Intelligent Factory at the Fundamental Level in Wuhu City and received to "efficient and intelligent". This initiative significantly elevates the pro- the China Outstanding Application of Intelligent Manufacturing Award. Funing GCL SI was honored as an "Ad- ductivity of functional departments and improves management effective- vanced Intelligent Factory in Jiangsu Province in 2025" and included in the 2025 5G Factory Directory at the ness and service quality at the same time. national level. Hefei GCL SI and Funing GCL SI obtained the Integration of Informatization and Industrializa- tion Management System Certificate. As many bases have earned numerous authoritative digital awards and certifications the Company secures a leading position in AI application and smart manufacturing within the Management Efficiency Enhanced by AI Technology industry. As such we provide practical and replicable experience worth learning for the digital transformation in the PV industry.Hefei GCL SI has enhanced management efficiency through AI By pioneering digital strategic practices and employing cut- technology from all aspects. The in-house financial invoice review ting-edge AI applications at production and functional scenar- robot enables intelligent end-to-end invoice verification through ios GCL SI consistently treats AI technology as a core driving image recognition and natural language processing which helps force. We take intelligent and innovative actions to fuel the improve efficiency and reduce errors. In addition Hefei GCL SI has Company's high-quality and sustainable development. Looking developed a process intelligence agent that integrates production forward GCL SI will delve into the R&D and scenario-based ap- data from multiple sources. By virtue of machine learning the plication of cutting-edge AI technology. We strive to deepen AI framework monitors alerts and optimizes process parameters in integration with production management and low-carbon de- real time and measures capacity bottlenecks to allow for efficient velopment expand AI application and strengthen technological resource allocation. Furthermore Hefei GCL SI has established innovation and the commercialization of innovation outcomes.a comprehensive AI knowledge base for R&D production sales In this way we aim to drive the transition and upgrading of the and other functions. This base breaks down information barriers PV industry through intelligent and innovative efforts.facilitates cross-departmental collaboration improves order re- view efficiency by 85% shortens processing cycles and reduces communication costs. Intelligent AI application contributes to lean management. While reducing costs enhancing efficiency and lowering resource consumption and operational risk AI ap- Integration of Informatization and plication continuously improves corporate operational efficiency. Industrialization Management System Certificate of Hefei GCL SI AI Empowerment for an Intelligent and Innovative FutureGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 18 Leading in Low Carbon Upgrading the GCL Carbon Chain from 1.0 to 3.0 as a Foundation for Digital Carbon Management to Jointly Build a Green Ecosystem To deepen digital and low-carbon operations GCL SI has developed the world's first PV industry carbon chain management platform based on granular silicon technology blockchain technology and digital intelligence. By iterating the GCL Carbon Chain through the phased upgrade As a global leader in providing energy from versions 1.0 to 3.0 we have established a credible carbon management system throughout the chain thus providing core technical sup- system solutions GCL SI is inherently port for the low-carbon ecosystem.low carbon. By building a digital carbon management platform collaborat- GCL Carbon Chain 1.0 GCL Carbon Chain 2.0 ing with upstream and downstream stakeholders across the industry chain GCL Carbon Chain 1.0 unveiled in 2024 enabled internal GCL Carbon Chain 2.0 witnessed wider application in decarbonization working with global partners and con- carbon traceability for key materials throughout the PV approaches and green supply chain management. We added carbon solidating internal strength the Com- industry chain. With the platform we established a funda- footprint models for key component materials such as glass and alumi- pany has established a low-carbon eco- mental framework for carbon data collection and account- num frames to the platform. During the 2.0 period we also introduced system in an all-round manner so as to ing developed carbon footprint models that were verified enterprise-wide dynamic carbon accounting feature and the employ- facilitate carbon neutrality worldwide. by third parties for all six levels of silicon-based PV industry ee carbon incentive platform called Carbon Planet. These practices chain products and achieved full traceability during man- helped realize visual management of organizational and individual car- ufacturing. Therefore GCL Carbon Chain 1.0 laid a robust bon emissions extending carbon management from the organization foundation for management upgrades. to employees and refining the low-carbon management system.GCL Carbon Chain 3.0 GCL Carbon Chain 3.0 has been upgraded for open collabora- tion. Jointly initiated through the agreement between GCL SI and Ant Digital this iteration has gained application beyond the Company to build an open collaborative ecosystem for full- chain carbon services. Core upgrades for GCL Carbon Chain 3.0 revolve around four key dimensions extending the lifecycle assessment boundary from"cradle to gate" to "cradle to grave".We deepen collaborative carbon footprint tracking across the supply chain integrate green certificate services to enable online trading of green electricity and strengthen ESG digital management and dynamic online certification. By reducing product and organizational carbon emissions through intelli- gent AI tools we optimize decarbonization pathways and coop- erate with more partners to foster a low-carbon ecosystem.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 19 Collaborating with Global Partners to Strengthen Collaborating with Upstream Partners Low-Carbon Cooperation to Solidify the Foundation of a Low-Car- GCL SI actively communicates with global partners on low-car- bon Supply Chain bon and innovation experience. In 2025 we sponsored the gala GCL SI collaborates with upstream suppliers during procurement to establish a co- hosted by the Global Solar Council during in the 30th United Na- operation system for a low-carbon supply chain. By integrating ESG requirements tions Climate Change Conference (COP30) and hosted the Annual into the lifecycle management of suppliers and implementing diverse measures to Eco-Partner Conference. By consolidating consensus with global promote carbon reduction and energy savings in upstream processes the Compa- ecosystem partners and exploring approaches to low carbon we ny drives green and collaborative development across the supply chain.strengthened low-carbon cooperation through exchanges across disciplines and industries. GCL SI sponsored the gala hosted by the Global Solar Council during COP30 Collectively Building a Low-Carbon Ecosystem for the Supply Chain Hosting the Annual Eco-Partner Conference to Foster Industry-Wide Consensus on Low- Carbon Initiatives Based on the GCL Carbon Chain 3.0 platform the Company orients itself to supplier carbon footprint collaboration integrated green certificate GCL SI hosted the 2025 Annual Eco-Partner Conference under the theme "Partnering for a Low-Carbon services and other key areas to optimize the supply chain carbon man- Future". Bringing together experts in the PV field and over a hundred key partners the event focused on agement system. We have established a supplier carbon matrix platform low-carbon development trends as well as industry opportunities and challenges in the market of distrib- to collect suppliers' carbon data. Through standardized guidance and uted PV facilities. In this gala we interpreted new PV policies shared innovations in low-carbon technolo- automated verification we guarantee the quality of these data and en- gies and products and recognized outstanding partners on this front. Through the event we established able full-process monitoring and evaluation of suppliers' low-carbon a communication platform that connects government industry performance. This allows us to create a directory of low-carbon suppliers education and research strengthened strategic collaboration with and prioritize cooperation with those with lower carbon footprints and ecosystem partners and promoted joint progress across the upstream higher green production capabilities.and downstream of the industry chain. In this way we explored new opportunities for green development through collective efforts.We join hands with suppliers to carry out carbon reduction projects. For battery production and procurement we collect information on suppli- ers' transportation vehicles in a comprehensive manner encouraging Participated in the UNGC Climate Ambition Accelerator them to use new energy vehicles and energy-efficient models to reduce carbon emissions from raw material transportation. For module pro- In June 2025 GCL SI participated in the United Nations Global Com- duction and procurement we implement a low-carbon raw materials pact (UNGC) Climate Ambition Accelerator program. Over six months strategy encouraging suppliers to recycle broken glass and scale up the of online and offline workshops and learning sessions the company use of recycled aluminum to reduce raw materials consumption. Close successfully completed the course achieving deep integration be- cooperation with suppliers brings GCL SI a continuous reduction in the tween corporate collaboration and global development goals driv- carbon footprint of module products.ing green transformation across upstream and downstream partners.Leading in Low Carbon to Jointly Build a Green EcosystemGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 20 Empowerment to Downstream Partners: Jointly Enriching Low-Carbon Application Scenarios GCL SI prioritizes downstream market needs. Through initiatives such as the "Zero-Carbon Partner" program training sessions for overseas distributors and benchmark projects we em- power downstream partners to enhance low-carbon operation enrich green energy application scenarios and deepen integration of low-carbon technologies with end-user demands. With these efforts we make green energy accessible across the world.Actively Conducting Training for Overseas Distributors In 2025 GCL SI provided overseas distributors with training on low-carbon technologies and products. This initiative aimed to promote the low-carbon advantages of PV modules share knowledge on carbon footprint management and introduce green application solutions. The training also improved the low-carbon services of overseas partners facilitated the global market expansion of products and contributed China's low-carbon PV technology to the energy transition worldwide.Expanding the Ecosystem Network Through the "Zero-Carbon Partner" Initiative Our "Zero-Carbon Partner" initiative connects global partners through an open and collaborative approach. In 2024 GCL SI partnered with leading global com- panies such as Mercedes-Benz Huawei and Budweiser to create a video series.This series released 11 episodes to show how GCL SI's PV products drive green transformations for customers from multiple industries. It also highlighted GCL SI's brand philosophy of "Low-Carbon Technology and Vitality". In 2025 we further expanded the network through this initiative by collaborating with global partners such as OceanSun in Norway Enpal in Germany and St?ubli in Switzerland. We ex- tended the low-carbon ecosystem into areas like global new energy development and distributed PV operations so as to amplify carbon reduction effects across the industry chain and advance global green development.Leading in Low Carbon to Jointly Build a Green EcosystemGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 21 Consolidating Internal Strength to Activate Practicing Low Carbon Together for a Sustain- Employees' Motivation for Carbon Reduction able and Green Future We have launched the employee carbon incentive platform called Carbon Planet and organ- We upgrade the carbon management platform engage partners in international low-car- ized diverse online and offline low-carbon activities to guide all employees in adopting green bon governance collaborate with upstream stakeholders to reinforce the low-carbon sup- practices in life and work. As such we aim to foster an internal ecosystem where "everyone ply chain empower downstream peers to expand green application activate employees' participates in carbon reduction". In 2025 the employee carbon incentive platform recorded low-carbon motivation and build an ecosystem of low-carbon cooperation. By doing so total emissions reductions of over 110 thousand kilograms of CO2e with a per capita reduc- GCL SI works to expand the partnership in an open collaborative and innovative attitude.tion of 31.18 kilograms of CO2e/person. In the future GCL SI will continue to uphold the corporate mission of "focusing on green development and continuously improving the living environment for humanity". By means of technological innovation and industrial practices the Company will optimize the low-car- Diverse Low-Carbon Activities for Employees bon ecosystem and advance the sustainable development worldwide.Based on the employee carbon incentive platform called Carbon Planet GCL SI or- ganizes low-carbon activities disseminates relevant knowledge through quizzes and GCL SI Co-Launched the "Beautiful Travel" Initiative in Nyingchi exhibitions and promotes employee engagement with a carbon point reward mech- Xizang to Build a Green Future for the Himalaya anism. With a focus on key scenarios such as dining office and commuting we have launched the "Clean Plate" campaign encouraging green mobility the use of person- From September 20 to 22 2025 GCL SI actively participated in the "2025 Himalayan al water bottles less consumption of disposable items and other low-carbon behav- Guardian Conference and the Second Beautiful Travel Leadership Initiative" in Nying- iors. Besides we have organized events such as sports festivals and glow runs during chi Xizang. Together with volunteers we went to the banks of the Yarlung Tsangpo the Earth Day and other occasions to embed low-carbon principles into employees' Grand Canyon to clean up waste. Under the azure sky at the plateau volunteers used daily routines and foster collective commitment to carbon reduction. litter pickers and bags to clear scattered waste along the riverbanks. They safeguarded the pristine beauty of the Roof of the World with their hands thus reinforcing a "green defense line" for the original ecological splendor of the Yarlung Tsangpo Grand Canyon.As the concept of "protecting nature" took root in the majestic canyon the Company made a profound commitment to ecological and environmental conservation.Leading in Low Carbon to Jointly Build a Green EcosystemGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 22 「N」ature Be committed to improving the human living environment integrate sustainability into everyday life as an enduring way of being.GCL SI has adopted a forward-looking strategic approach to advance green and sustainable development unlocking the diverse value of ecological conservation and low-carbon transition. Focusing on key areas including climate change energy and resource use management of pollutants and waste and biodiversity protection we implement coordinated and targeted measures to reduce environmental impacts across the product lifecycle safeguarding ecological integrity through concrete action.Critical Strategic Goals and Annual Performance Performance Performance Strategic Goals Indicator Unit in 2024 in 2025 Scope 1 & Scope Based on 2024 reduce absolute Scope 1 2 emissions (mar- 324256.22 168299.90 tCO e and Scope 2 emissions by 63% by 2035. 2 ket-based) Based on 2024 reduce carbon emissions Scope 3 emissions from purchased goods and services per from purchased 623.31 633.46 tCO e/MW unit of production in Scope 3 by 67.33% goods and services 2 by 2035. per unit of production Based on 2024 achieve an average annual Average product 5% year-on-year reduction in product car- 394.85 337.4 kgCO carbon footprint 2 e/kW Contribution to the UN SDGs: bon footprint by 2030.Based on 2023 reduce waste generation Waste generation 1.45 1.00 Tonnes/MW per unit of output by 30% by 2030. per unit of output Based on 2024 reduce water consump- Water consumption 175.52 134.19 Tonnes/MW tion per unit of output by 8% by 2030. per unit of outputGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 23 Responding to Climate Change GCL SI adheres to the Shenzhen Stock Exchange's Guidelines for Sustainability Reporting and the recommendations of the Task Force on Climate-Related Financial Disclosures (TCFD). The Com- pany proactively identifies assesses and responds to climate-related risks establishing a systematic climate governance framework to address the challenges of climate change through concrete actions. GCL SI has set emissions reduction targets in alignment with the methodology of Science Based Targets initiative (SBTi) defining decarbonization pathways across the value chain and driving low-carbon transformation both within the Company and throughout the value chain.Climate Governance Climate Strategy Guided by the core objectives of the Paris GCL SI has identified climate-related risks and opportunities relevant to the Company's operations by applying the TCFD risk assessment frame- Agreement GCL SI incorporates climate-related work taking into account global and domestic trends the Company's business development trajectory and the key concerns of stakeholders.matters into the oversight responsibilities of Based on this analysis we have implemented targeted measures to enhance our climate resilience and long-term adaptive capacity.the Board of Directors. Through the sustainabil- ity governance structure the Company ensures Climate Risk and Opportunity Management effective supervision management and deci- Climate-Related Opportunities and Response Measures sion-making on climate issues. As the central decision-making and accountable body for Opportunity Type Potential Financial Impact Description of Potential Financial Impact Response Measuresclimate-related matters the Board of Directors regularly reviews and assesses associated risks * The country has introduced policies to promote * Increase investment in R&D to improve and opportunities. The Strategy and Sustaina- energy mix transformation and encourage the product performance and provide cus-Policy Increase revenue bility Committee oversees the implementation use of new energy bringing broad development tomers with cleaner and more efficient opportunities for photovoltaic enterprises products and services of the Company's climate strategy targets and key initiatives. Under this committee the * Capital markets and rating agencies empha- * Establish a comprehensive climate man- size the level of corporate climate manage- Sustainability Management Committee and the agement framework to enhance climate Enhance the corporate rep- ment and companies with excellent man- Sustainability Promotion Office are responsible governance and rating performance utation increase financing agement are more likely to have access to for the execution of climate governance activi- Market opportunities and boost financing opportunities * Rely on the "GCL Carbon Chain" realize ties. The Sustainability Management Commit- revenue * efficient product carbon footprint manage-Increased demand for low-carbon products tee has further established a dedicated Climate ment and enhance product competitive-and services leads to growth in the Compa- Action Working Group to carry out climate risk nessny's revenues and profits and opportunity management. For details on * Promote the construction of on-site PV GCL SI's ESG governance structure and cli- * Accelerate the application of cleaner technol- power stations and increase the propor- mate-related governance arrangements please Technology Reduce operating costs ogies and the use of cleaner energy to reduce tion of clean energy use refer to the "Sustainability Governance" section the cost of energy use * Implement energy-saving technological of this Report. reforms to improve energy efficiencyGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 24 Climate-Related Risks and Response Measures Risk Type Risk Factor Potential Financial Impact Description of Potential Financial Impact Response Measures * * Optimize transportation modesTyphoons floods and other natural disasters can Climate Affect production and transpor- * Formulate emergency plans and control measures lead to safety accidents forced production halts and disasters tation reduce the value of fixed to cope with extreme weather events conduct emer- increased transportation costs (short-term) assets and increase operating costs * gency drills and increase the reserve of emergency Impairment of fixed assets supplies * Sustained high temperatures cause abnormal power Physical risk supply and increase high-temperature allowance ex- Climate * Increase local procurement Affect production and increase penses; change * * Improve energy efficiency in the factoriesoperating costs Sea level rise increases the likelihood of relocation (long-term) * Strengthen building and equipment maintenance or structural changes of production bases located in coastal areas * Strictly comply with the regulations of the country * The increase in carbon market prices and the imple- where we operate and where products are sold and Laws and Increase operating and mentation of carbon taxes lead to higher operational regularly monitor changes in relevant policy and regulations financing costs and procurement costs regulations (short-term) * Violating laws and regulations can bring penalties * Establish a comprehensive compliance system and safeguard mechanism Technological * * Improve energy usage efficiency and improve prod-Increase operating costs and Upgrade energy-saving equipment Transition risk changes * uct production efficiencyR&D investment Costs associated with outdated technology (medium-term) * Pursue innovation and attract technical talents * Reduction in market subsidies leads to an increase in Market * Actively communicate with stakeholders respond to Increase operating costs and affect direct costs changes * market and customer expectations for sustainability the Company's reputation The Company may suffer from poor reputation and neg- (medium-term) and enhance corporate performance in this area ative performance due to inadequate climate actionsGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 25 Product Lifecycle Green Management GCL SI has established product lifecycle green management as a core decarbonization strategy. The Company actively develops green products reduces resource consumption and carbon emis- sions promotes circular economy principles and continuously enhances climate resilience.Green Design Green Procurement Comprehensive Carbon Reduction in Introduce the ecological concept in product design Select suppliers who have obtained product car- Domestic and International Logistics carry out self-evaluation of ecological design in ac- bon footprint certification or whose products have cordance with GB/T 24256 General Rules for Product a lower carbon footprint and require suppliers to GCL SI has achieved significant carbon reduc- Ecological Design and GB/T 32161 General Principles sign the Letter of Commitment on Safety and En- tion through systematic optimization of the for Eco-design Product Assessment and form audit vironmental Protection. Through the "GCL Carbon logistics network. In international logistics reports. In 2025 the Company continued to advance Chain" the Company is standardizing carbon man- near-sea routes prioritize direct shipments material reduction and green process upgrades. At agement across the supply chain and collaborating from the nearest port to shorten transport dis- Wuhu GCL a series of measures from process opti- with suppliers on joint decarbonization initiatives. tances. For long-haul ocean freight over 90% mization to material substitution enabled thinner For details please refer to the Annual Feature of cargo volume is transported via multimodal solar cell designs and significantly reduced the con- section "Leading in Low Carbon to Jointly Build a solutions such as rail-sea and inland water- sumption of chemicals such as hydrogen peroxide Green Ecosystem" of this report. way barge connections instead of road-only and hydrofluoric acid during manufacturing thereby transport and fragmented orders are consol- lowering the product's carbon footprint. idated for centralized shipment to overseas warehouses before distribution effectively re- ducing empty-load rates. In domestic logistics Green Production Green Logistics long-distance transportation primarily relies on road-rail and road-water intermodal solu- The Company emphasizes lean and green produc- By rationally planning the layout of the factory tions with intermodal transport accounting tion practices. Through technological upgrades area implementing road-rail intermodal transport for 34% in 2025 reaching an industry-leading GCL SI improves energy efficiency in production. road-water intermodal transport optimizing trans- level and significantly reducing diesel truck In 2025 Wuhu GCL optimized its GPC high-tem- port routes and other measures the Company usage frequency thereby lowering carbon perature double-insertion process increasing continuously improves the resource utilization emissions across the entire logistics chain.production capacity while shortening high-temper- efficiency of logistics links such as containerization ature processing time thereby reducing electricity storage and transportation and accelerates the consumption in furnace tubes and accelerating construction of a digital and low-carbon logistics low-carbon transition at the production level. industry chain.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 26 Green Recycling Maximize the recycling and reuse of discarded modules and product packaging materials promote the cir- cular economy and improve resource recycling rates. Low-Carbon Promotion To enhance employees' understanding of key issues such as climate change and energy conservation the Company actively conducts Advancement in Module Recycling ESG training for its workforce. In 2025 the Company held a compa- ny-wide "GCL Carbon Chain" Special Learning Day focused on core As a critical component of the green closed-loop topics such as carbon footprint accounting and practical applica- system in the PV industry the recycling and envi- tions of the GCL Carbon Chain deepening employees' understand- ronmentally sound management of end-of-life PV ing of low-carbon practices.modules is essential to the industry's sustainable development. GCL SI is actively building out cir- cular economy initiatives exploring high-value During the Reporting Period recovery pathways for decommissioned PV mod- ules and implementing dedicated module recy- Training on low-carbon related topics achieved cling programs. The Company strictly complies with the European Union's Waste Electrical and 100% employee coverage Electronic Equipment (WEEE) Directive and has obtained relevant authoritative certifications for recycling operations. As a member of PV CYCLE GCL SI collaborates with industry partners to pro- mote large-scale collection and efficient reuse of end-of-life modules.In 2025 The Company secured WEEE-registered recycling commitments for 328MW of module productsGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 27 Metrics and Targets Risk Management The Company has established GHG emissions reduction targets and defined a GHG reduction roadmap in accordance with the As the climate risk landscape continues to evolve SBTi methodology aligned with our own strategic and operational planning. This provides clear direction and quantitative we continue to strengthen and institutionalize our guidance for driving low-carbon transformation across both our own operations and value chain.climate risk management mechanism integrating it into the Company's overall enterprise risk manage- GCL SI's Targets for Carbon Emissions Reduction ment process.Based on 2024 reduce absolute Scope 1 and Based on 2024 reduce carbon emissions from Climate risk identification Scope 2 emissions by 63% by 2035. purchased goods and services per unit of produc- and assessment mechanism tion in Scope 3 by 67.33% by 2035.In accordance with domestic and interna- 2024 2024 tional sustainability standards and trends 2035 -63% 2035 -67.33% as well as our business development and factory layout GCL SI identifies and assesses climate-related risks and opportunities and makes materiality assessments to form a list GCL SI's Carbon Reduction Pathway of climate change risks for annual review by the Board of Directors. Scope 1 & Scope 2 Scope 3 * Energy Efficiency Improvement: light- * Replacement of Granular Silicon: Increasing the utilization rate of Climate risk response mechanism ing optimization air conditioning opti- granular silicon as a raw material.mization device parameter optimiza- * Replacement of Primary and Secondary Materials: Continuously op- Identified climate risks and opportunities are tion heat insulation technology reform timizing the procurement of raw materials reduce the carbon emis- formally integrated into the Company's en- and production process optimization. sion per unit of purchased raw materials and reduce the quantity of terprise-wide risk management process. The * Energy Optimization: Installation of on- raw materials purchased.Sustainability Promotion Office coordinates site photovoltaic power stations. * Supplier Advocacy: Setting overall carbon reduction targets for up- across functions and business units to proac- * Procurement of Renewable Energy: Ac- stream suppliers and raising the entry standard; encouraging lead-tively address these climate-related risks and opportunities establishing a resilient and tively purchasing and using renewable ing suppliers to establish and implement SBTi targets.adaptive climate risk response mechanism. energy electricity. * Green Logistics Advancement: Systematically optimizing the logis- tics network and implementing measures such as road-rail inter- modal transport and optimized routing.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 28 Leveraging the "GCL Carbon Chain" carbon management platform the Company conducts GHG inventories and management in accordance with the GHG Protocol methodology and is progres- sively driving emissions reductions across our own operations and supply chain in a phased and prioritized manner to achieve our GHG reduction targets.Scope 1 and 2 GHG Emission Performance in 2023-202534 Disclosure Item Unit 2023 2024 2025 Scope 1 GHG Emissions tCO2e 1309.95 1295.60 5205.78 Scope 2 GHG emissions (location-based) tCO2e 250992.40 475748.90 460318.65 Scope 2 GHG emissions (market-based) tCO2e 248867.51 322960.62 163094.12 Total Scope 1 and Scope 2 GHG emissions (location-based) tCO2e 252302.35 477044.50 465524.43 Total Scope 1 and Scope 2 GHG emissions (market-based) tCO2e 250177.45 324256.22 168299.90 Revenue-based Scope 1 and Scope 2 GHG emission intensity (location-based) tCO2e/RMB10000 0.16 0.29 0.30 Revenue-based Scope 1 and Scope 2 GHG emission intensity (market-based) tCO2e/RMB10000 0.16 0.20 0.11 Production-based Scope 1 and Scope 2 GHG emission intensity (location-based) tCO2e/MW 13.53 14.12 11.63 Production-based Scope 1 and Scope 2 GHG emission intensity (market-based) tCO2e/MW 13.41 9.60 4.20 During the Reporting Period GCL SI Scope 3 total GHG emissions amounted to 26410296.89 tCO2e. Among them emissions from purchased goods and services amounted to 25354137.50 tCO2e. 3GCL SI has accounted for greenhouse gas emission data during the Reporting Period based on operational control; please refer to the Appendix: Assurance Statement for the specific accounting boundary. 4 A significant increase in Scope 1 emissions resulted from changes in the calculation method for refrigerants. Due to the inclusion of green certificates for deduction the 2024 Scope 2 greenhouse gas emissions (market-based) and the total Scope 1 and Scope 2 greenhouse gas emissions (market-based) have been restated.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 29 Scope 3 GHG Emission Performance in 20255 Environmental Compliance Management Unit ：tCO2e GCL SI strictly complies with the requirements of laws and regulations such as the Environmental Protection Law of the People's Republic of China the Air Pollution Prevention and Control Law of the People's Republic of China the Water Pollution Prevention 2025 26410296.89 and Control Law of the People's Republic of China and the Solid Waste Pollution Environment Prevention and Control Law of the Scope 3 GHG emissions People's Republic of China. The Company continuously improves its environmental management system. GCL SI has publicly dis- closed the GCL System Integration Environmental Management Policy on the official website which outlines core commitments covering pollution prevention energy conservation and emissions reduction and ecological protection. This policy extends to Upstream Scope 3 Downstream Scope suppliers and partners fostering a collaborative end-to-end green development ecosystem across the value chain.GHG Emissions 3 GHG emissions GCL SI implements environmental management in a systematic manner with dedicated environmental management depart- 25447163.79 963133.10 ments established at all production bases to centrally oversee environmental affairs for their respective facilities. As of the end of the Reporting Period Hefei GCL Funing GCL and Wuhu GCL factories have all obtained ISO 14001 Environmental Management System Certification and successfully passed annual audits achieving 100% coverage across all of GCL SI's photovoltaic module manufacturing sites. The Company regularly conducts environmental aspect identification and environmental risk assessments develops targeted control measures and rigorously implements inspection and operational maintenance protocols for production Disclosure Item Unit 2025 facilities to ensure full compliance with the latest national and local environmental regulations.Purchased goods and services tCO2e 25354137.50 Capital goods tCO2e 13122.35 Fuel and energy-related activities tCO2e 72426.69 GCL SI ISO 14001 Environmental Waste generated from operations tCO2e 4718.77 Management Business travel tCO2e 2303.67 System Certification Employee commuting tCO2e 454.81 Downstream transportation and distribution tCO2e 106129.67 End-of-life treatment of sold products tCO2e 856708.29 Investment tCO2e 295.14 5 Sourced from the inventory data the Scope 3 emission categories related to In addition the Company has established a comprehensive environmental emergency response plan and regularly organizes GCL SI include purchased goods and services capital goods fuel and energy- training programs to enhance employees' environmental awareness and emergency response capabilities. During the Reporting related activities waste generated from operations business travel employee Period GCL SI experienced no major environmental incidents and incurred no significant administrative penalties or criminal lia- commuting downstream transportation and distribution end-of-life treatment of sold products and investment. bilities related to environmental matters. GCL SI's environmental management performance has also received extensive external recognition. Funing GCL and Hefei GCL were awarded the title of national-level "Green Factory" and Wuhu GCL was recognized as a "Green Factory" by Wuhu City.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 30 Energy Management and Renewable Energy Utilization GCL SI strictly abides by laws and regulations such as the Energy Conservation Law of the People's Republic of China and the Energy Man- agement Guidelines for Industrial Enterprises. The Company has formulated and implemented the Energy Management Manual the Ener- gy and Resources Management System and the Energy Management System Procedures. These documents clearly outline the Company's principles and specific requirements for the rational utilization of various energy and resources and enable systematic monitoring control and optimization of energy consumption in production operations. In 2025 Wuhu GCL revised the Energy Conservation Management Poli- cy for Electrical Appliances adjusting regulations on air conditioning temperature settings to further advance energy-saving retrofits.The Company has established a robust energy management system guided by the principle of "low consumption and high efficiency energy conservation and emission reduction standardized operation and technological innovation" and continues to implement en- ergy-saving initiatives. During the Reporting Period Hefei GCL Funing GCL and Wuhu GCL have all obtained ISO 50001 Energy Man- agement System Certification achieving 100% coverage across all of GCL SI's PV module manufacturing bases. Additionally each pro- duction site regularly conducts energy usage analysis and diagnostics to identify opportunities for energy efficiency improvements and implements multiple technical retrofit projects to further enhance energy efficiency in manufacturing processes.Module business unit Cell business unit * Lighting upgrade: Replaced lighting * High-efficiency chiller plant retrofit: Upgraded the cooling water sys- fixtures in workshops warehouses tem by replacing fixed-speed pumps with variable-frequency drives and other areas with more energy-ef- and integrating AI-based optimization algorithms to automatically ficient alternatives to reduce electrici- identify optimal operating parameters resulting in a 17.87% year-over- ty consumption for illumination. After year reduction in electricity consumption.energy efficiency retrofitting annual * Waste heat recovery: Implemented an integrated solution combining electricity savings of approximately "air compressor waste heat + water-source heat pump + plate heat ex- 940800 kWh can be achieved. changer" to recover waste heat from compressors for heating purified water offsetting approximately 82% of the electricity previously con- sumed by hot water units in wet-process operations. 2025 Key Energy Efficiency Retrofit MeasuresGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 31 GCL SI Energy Management Performance in 2023-20256 Disclosure Item Unit 2023 2024 2025 Natural gas m3 315951 306464 195434 Total electricity kWh 473387732 935976903 1029748923 - Self-generated renewable electricity kWh 37403487 49376053 61923141 - Purchased municipal electricity kWh 432258316 211759306 867544687 - Purchased renewable electricity kWh 3725929 0 100281095 - Contracted purchased electricity kWh 0 674841544 0 Steam7 m3 6640 0 0 Gasoline kg 59974 40858.46 24908 Electricity consumption per unit of output MWh/MW 25.38 27.70 25.73 Natural gas consumption per unit of output m3/MW 16.94 9.07 4.88 GCL SI continues to optimize energy mix and actively promotes the substitution of renewable electricity in manufacturing operations. The Company has deployed on-site PV systems at produc- tion bases effectively increasing the share of renewable energy in our total electricity consumption. In 2025 GCL SI generated and consumed 61920 MWh of renewable electricity through self- owned solar installations and procured 600000 MWh of green power via Green Electricity Certificates (GECs).GCL SI Renewable Energy Consumption in 2023-2025 Disclosure Item Unit 2023 2024 2025 Consumption of renewable electricity 10000 kWh 4112.94 4937.61 16220.42 6 GCL SI's accounting boundary for energy management performance is consistent with that for greenhouse gas emission accounting; please refer to the Appendix: Assurance Statement for the specific boundary. 7 GCL SI did not use steam in 2025.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 32 Water Stewardship GCL SI strictly follows the Water Law of the People's Republic of China the Water Pollution Prevention and Control Law of the People's Republic of China and other laws and regulations. We con- tinuously enhance our water resource management system to reduce water consumption while improving water use efficiency. In 2025 the Company achieved a "B" rating in the CDP Water Secu- rity Questionnaire reflecting the effectiveness and maturity of our water stewardship practices.Responding to Water Risks Each year the Company conducts water stress assessments To optimize the water resource allocation structure GCL SI fully considers locally available alternative water sources in its oper- for all stable operating facilities using the World Resources ations and utilizes a diversified supply mix to continuously enhance water use efficiency.Institute's (WRI) Aqueduct Water Risk Atlas. The results of the 2025 assessment are as follows: Wuhu GCL SI Advances Water Reuse Initiatives Wuhu GCL SI has actively shifted its water management approach from "reactive compliance" to "proactive optimiza- tion" focusing on cascading water use and precision control through multiple retrofit measures: Plant WRI Water Risk Level Implemented an inter-stage Replaced municipal tap water Completed the water recovery makeup water retrofit for the with treated effluent from the retrofit for instrument detec- Hefei GCL SI High (3-4) cooling water system redi- biochemical treatment system tion of the pure water system recting surplus condensate for l ime slaking processes a c h i e v i n g 1 0 0 % r e u s e o f from low-temperature cooling saving 34675 cubic meters high-purity drainage and saving Funing GCL SI High (3-4) towers to medium-temperature of freshwater annually while 14980 cubic meters of water towers thereby eliminating simultaneously optimizing the per year.Wuhu GCL SI Medium-High (2-3) seasonal overflow and waste; plant-wide water balance;GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 33 Precision Water Resource Management GCL SI continues to strengthen end-to-end water stewardship across operations. The Company conducts comprehensive water flow analysis to identify key water-use processes performs quantitative benchmarking establishes site-specific water perfor- mance baselines and implements targeted optimization measures. In addition we carry out a routine monitoring and evalu- ation mechanism to ensure on-going improvement forming a robust precision water management system. Additionally the Company enhances employee awareness through diverse engagement initiatives such as posting water-saving signage and organizing prize-based water conservation quizzes to foster a culture of collective participation in water efficiency efforts.GCL SI Water Resource Management Performance in 2023-20258 Disclosure Item Unit 2023 2024 2025 Total water withdrawal Tonnes 3732935 5930366 5370936 Total water consumption9 Tonnes 1647653.09 1054675 769323.80 Water recycling and reuse volume Tonnes 202569.45 884961.40 524367.00 Water consumption per unit of output Tonnes/MW 88.35 31.21 19.22 8 The scope of GCL SI 2025 water management performance includes three production bases: Hefei GCL SI Wuhu GCL SI and Funing GCL SI. 9 GCL SI's total water consumption in 2025 refers to total water withdrawal minus total wastewater discharge.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 34 Pollutant & Emissions Management GCL SI continues to strengthen pollution prevention and control efforts with a particular focus on managing emis- sions of key pollutants such as waste gas and wastewater thereby minimizing the adverse impact of our operations on surrounding ecosystems.Wastewater Control The Company strictly complies with the requirements of national GCL SI Wastewater Discharge Performance in 2023-2025 and local laws and regulations and has established and execut- ed the Wastewater Discharge Control Management System. We develop and implement comprehensive wastewater collection Disclosure Item Unit 2023 2024 2025 treatment and discharge programs for various wastewater follow- ing the principle of wastewater diversion and treatment. In addi- Total wastewater discharge Tonnes 2085281.91 4875691.00 4601612.20 tion according to the regulatory requirements we install online monitors at the main outlets of production wastewater to moni- Suspended solids discharge Tonnes 21.79 67.65 38.56 tor the quality of wastewater in real time and ensure compliance with the discharge standards. During the Reporting Period GCL SI Chemical oxygen demand (COD) discharge Tonnes 76.54 263.96 155.36 reported none of incidents of excessive discharge.In 2025 Wuhu GCL commissioned a dedicated fluoride recovery Ammonia-nitrogen discharge Tonnes 11.71 41.27 42.07 treatment system for high-concentration fluoride-containing wastewater. This system produces high-purity calcium fluoride a byproduct with significant reuse value and has reduced average Phosphorus discharge Tonnes 0.29 0.30 0.76 monthly sludge generation from 1200 tonnes to 800 tonnes sub- stantially lowering fluoride sludge output and delivering notable Fluoride discharge Tonnes 9.71 22.58 29.30 environmental benefits.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 35 Waste Gas Management Waste Gas Management Performance in 2023-2025 GCL SI strictly adheres to relevant laws and regulations including the Law of the People's Republic of China on En- vironmental Protection and the Law of the People's Repub- Disclosure Item Unit 2023 2024 2025 lic of China on the Prevention and Control of Atmospheric Pollution and implements standardized air emissions Total waste gas emissions 10000 m3 583941.73 1450685.00 1173561.48 management practices. The Company has established a site-level Waste Gas Emission Control Management System Nitrogen oxides (NOx) emissions Tonnes 1.43 3.32 0.80 across all production bases to ensure compliance with na- Sulfur oxides (SOx) emissions Tonnes 0.25 0.80 0 tional air pollutant emission standards.All GCL SI production facilities have implemented stand- Non-methane hydrocarbon Tonnes 5.26 12.57 4.83 ardized air treatment processes applying categorized (NMHC) Emissions treatment and precise control measures based on the characteristics of process-generated emissions. Module Particulate matter emissions10 Tonnes 2.46 0.20 17.80 manufacturing sites utilize activated carbon adsorption technology to effectively remove hazardous substances from exhaust gases. Battery production facilities employ 10 Since the monitoring concentration of particulate matter emissions was below the detection limit the relevant emission data was tailored treatment methods such as alkaline scrubbing calculated based on an emission rate equal to half of the detection limit resulting in a significant increase compared with data from and activated carbon adsorption for emissions generated previous years.from key production processes. To ensure on-going com- pliance each production base regularly engages accredited third-party agencies to conduct air emissions testing. Dur- ing the Reporting Period GCL SI reported none of incidents of excessive waste gas emissions.In 2025 to further enhance treatment efficiency Wuhu GCL installed additional spray pump units to improve adsorp- tion performance while Hefei GCL increased the replace- ment frequency of activated carbon thereby effectively maintaining the adsorption capacity and removal efficiency for air pollutants.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 36 Waste Management Collect generated solid waste Classify and temporarily store solid waste GCL SI strictly upholds environmental safety standards and manages waste in accordance with applicable laws and regula- tions as well as internal policies including the Waste Management Regulations the Solid Waste Management System the Hazardous Chemical Safety Management System and the Hazardous Waste Management Registration Form. The Company has established standardized procedures for the classification collection and disposal of both general industrial solid waste and General industrial Hazardous waste hazardous waste ensuring all waste handling and disposal activities comply with relevant environmental standards and mini- solid waste mizing associated environmental risks and impacts. During the Reporting Period GCL SI reported none of significant incidents of non-compliant emissions or leaks. Disposed of by qualified Recycled by recyclers In 2025 Wuhu GCL revised its Industrial Solid Waste Management System to align hazardous waste classifications with updated disposal contractors regulatory requirements further ensuring compliant management and disposal of solid waste. Waste Treatment Process Flow For general industrial solid waste the Company adheres to On-site Hazardous Waste Warehousing Process the principles of reduction resource recovery and harmless treatment prioritizing resource recovery as the primary dis- posal method. GCL SI achieved compliant management of general industrial solid waste through channels such as ex- 1 2 3 ternal sales for comprehensive utilization and manufactur- Temporary storage of haz- Seal and safely transport Eliminate human static er-led recycling thereby advancing resource conservation ardous waste in a stand- hazardous waste to the electricity before enter- and the circular economy. During the Reporting Period the ardized storage location corresponding hazard- ing the warehouse Company's general waste recycling rate reached 99.69%.ous waste warehouse For hazardous waste the Company strictly complies with national and local laws and regulations by constructing dedicated hazardous waste storage facilities. All hazardous waste is classified and stored in accordance with regula- 6 5 4 tory requirements. Based on actual waste generation the Company maintains detailed hazardous waste records and Standardly fill out the haz- Place hazardous waste Weigh the transported haz- transfer manifests and only entrusts licensed and qualified ardous waste warehouse in designated areas and ardous waste print and third-party vendors to handle transportation and treatment entry registration form arrange neatly affix hazardous waste labels effectively preventing adverse environmental impacts. without any omissionsGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 37 GCL SI places strong emphasis on enhancing employees' awareness of proper waste han- dling practices with all production bases conducting specialized waste management training Circular Economy programs. Funing GCL organized 3 environmental training sessions covering industrial solid waste and hazardous waste topics achieving full coverage of all relevant departments. Wuhu GCL delivered targeted training on solid waste classification storage and compliant disposal GCL SI actively practices the principles of the circular economy continuously im- to safety supervisors and employees in waste-generating positions. proving resource utilization efficiency. GCL SI optimizes product packaging design and actively introduces recyclable packaging materials thereby enabling recycling of packaging materials. In office operations the Company conducts regular inventory During the Reporting Period checks and maintenance/refurbishment management of electronic devices in stock extending their service life and enhancing the efficiency of office resource utilization.Hefei GCL held reaching In 2025 various production bases of the Company implemented diverse measures to advance the circular economy: 1 training session on environmental regula- 1177 participants tions and hazardous waste management Hefei GCL SI introduced molded pallets made from renewa- ble or recycled materials which offer greater durability and Waste Management Performance in 2023-2025 replace single-use plastic pallets.Disclosure Item Unit 2023 2024 2025 Total waste generated Tonnes 52238.60 49005.45 40153.66 Hefei GCL SI vigorously promoted the recycling of packag- ing materials recovering over 7000 tonnes of EVA packag- Total general industrial solid waste Tonnes 52218.69 48830.28 40029.43 ing materials and over 16000 tonnes of glass/iron pallets generated throughout 2025.- Non-hazardous recycled Tonnes 52184.85 48703.35 39906.63 - Non-hazardous incinerated Tonnes 33.84 126.93 122.80 Wuhu GCL SI facilitated the return and remanufacturing of solar cell pallets and promoted the downstream reuse of PE Total hazardous waste generated Tonnes 19.91 175.17 124.23 boxes and cardboard cartons. From 2023 to 2025 Wuhu GCL SI collectively recovered over one million sets of packaging effectively reducing solid waste generation.Hazardous waste disposed Tonnes 17.82 172.17 127.81GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 38 Ecosystem and Biodiversity Conservation Upholding the principle of ecological prioritization GCL SI developed a biodiversity strategy that includes conservation initiatives in alignment with the principles outlined in the UN Convention on Biological Diversity and with reference to the EU's Biodiversity Strategy for 2030 continuously innovating and deepening its practices in biodiversity protection.Biodiversity Conservation Strategy In 2025 Funing GCL SI signed a donation pledge contributing RMB 300000 to the Yancheng Yellow Sea Wetlands Natural Heritage Conser- vation Foundation. These funds are specifically allocated to wetland Strategic Goal Mission ecological restoration biodiversity protection and environmental edu- cation demonstrating the Company's commitment to fulfilling its eco- Enhance awareness of the GCL SI will raise awareness of biodiversity through internal and logical responsibilities. 1 importance and value of external training publications sponsorships and internal and biodiversity. external communication of the impact of organizational activities in this area integrating it into educational dialogues. Multi-Bases Cooperation to Advance Ecological Initiatives and Jointly Build a Green Development Safeguard Reduce direct pressure on GCL SI commits to reducing direct pressure on biodiversity and work- 2 biodiversity and promote ing with consumers and the circular economy industry to promote In March 2025 GCL SI organized its production bases to carry out sustainable use of natural sustainable resource use and end-of-life product management. ecological and environmental protection practices putting the con- resources. cept of green development into practice through concrete actions.Improve biodiversity sta- Hefei GCL SI in conjunction with the kick-off GCL SI will work with external partners to enhance biodiversity tus through the protection of the "Carbon Planet" an employee carbon 3 through sustainable land management genetic diversity promo-of ecosystems species incentive platform carried out an ecological tion and habitat fragmentation reduction.and genetic diversity. tree-planting event to reinforce the advancement of green ecological construction.The Company strictly complies with national requirements concerning ecological conservation redlines ensuring Wuhu GCL SI carried out a tree-planting cam- that all construction projects undergo legally mandated environmental impact assessment and approval proce- paign themed "Greening and protecting the dures. Through investigation and verification none of the Company's production facilities are located within des- environment party members are in action" to ignated ecological redline areas. mobilize party members and volunteers to plant trees and embrace ESG principles in practice.In line with the biodiversity conservation strategy the Company systematically advances multi-stakeholder col- laboration and practical implementation and establishes communication and cooperation networks to share our Funing GCL SI conducted tree-planting activities biodiversity policies and practices. Additionally guided by the biodiversity strategic framework the Company se- within its factory greenbelts to further enhance lects and funds biodiversity research and conservation projects. We also share strategic actions and progress with and beautify the site's ecological environment.employees suppliers and other stakeholders to foster consensus and synergies in biodiversity conservation.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 39 「E」quity Unit for consensus through shared purposes and power sustainable innovation with dynamic energy.GCL SI has deeply embedded social responsibility into the corporate development ethos striving to build an industrial ecosystem where multiple stakeholders thrive together. We prioritize talent development and create an open inclusive and dynamic plat- form for growth fostering a harmonious stable and mutually rewarding labor relations. Furthermore we work hand in hand with partners across the supply chain including suppliers and customers to establish a mutually beneficial and win-win ecosystem.The Company is also actively engaged in community development and public welfare initiatives promoting the deep integration of business value and social benefit.Critical Strategic Goals and Annual Performance Performance Performance Strategic Goals Indicators Unit in 2024 in 2025 By 2030 at the latest maintain a 100% social Social insurance coverage rate for insurance coverage rate for full-time employ- full-time employees in the Chinese 100 100 % ees in the Chinese mainland mainland By 2025 achieve a 100% coverage rate of col- Collective bargaining agreement 90.69100% lective bargaining agreements. coverage rate By 2028 achieve external audits for child labor External audit coverage rate for and forced labor issues covering all produc- child labor and forced labor issues 66.67 100 % tion bases. at production bases By 2030 at the latest maintain annual diversi- Diversity anti-discrimination and Contribution to the UN SDGs: ty anti-discrimination and anti-harassment anti-harassment awareness train- 100 100 % awareness training covering all employees. ing coverage rate By 2030 at the latest maintain 100% participa- Core supplier participation rate in 100100% tion of core suppliers in ESG capacity building. ESG capacity buildingGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 40 Labor Rights Protection GCL SI upholds a people-oriented approach strictly adheres to the laws and regulations of the locations where it operates as well as international labor protection conventions and principles.The Company incorporates labor rights safeguards into its end-to-end management and supply chain collaborative governance systems and fosters harmonious healthy and sustainable indus- trial partnerships.Compliant Employment Employment Performance in 2025 GCL SI strictly abides by the Labor Law of the People's Republic of China the Labor Contract Law of the People's Republic of China 2025 the Provisions on the Prohibition of Using Child Labor and other applicable laws and regulations at the locations where we oper- ate. Moreover the Company upholds international human rights principles such as the Universal Declaration of Human Rights and Total number of employees the ILO Declaration on Fundamental Principles and Rights at Work and has established and implemented internal policies includ- ing the Labor Contract Management Regulations the Labor Employment Management Standards the Procedures for the Prohibi- 4761 Persons tion of Forced Labor and the Measures for the Management of Child and Juvenile Workers thereby further standardizing the entire labor employment management process. The Company has also developed the Code of Business Conduct and the Human Rights Percentage of female employees Policy clearly committing to respecting employees' freedom of association and collective bargaining rights and strictly prohibiting the use of child labor and forced labor thus protecting employees' legal rights and interests. 26.40% To effectively reinforce labor and hu- man rights safeguards the Company The voluntary turnover rate of full-time conducts internal specialized self-in- employees retained for over 1 year spections on labor employment compliance and specialized audits of human resources management 3.05% institutionalizing regular screenings of employment-related risks. In 2025 Number of new employees GCL SI had no incidents of employing child labor forced labor employment 1488 Persons discrimination harassment or other Funing GCL SI Hefei GCL SI and Wuhu GCL SI SA8000 Certifications labor human rights violations. Funing Percentage of new female employees GCL SI Hefei GCL SI and Wuhu GCL SI all obtained the SA8000 management system certification. 22.85%GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 41 Talent Attraction Compensation and Benefits System GCL SI focuses on attracting diverse talents and has formulated and implement- GCL SI has established and implemented the Compensation Management Standards. Upholding the principle of equal ed the Recruitment Management Standards the Human Resources Planning pay for equal work we strive to build a fair just and market-competitive remuneration system. The Company con- Management Standards and other systems providing equal opportunities to all ducts a survey on compensation and benefits in the industry every year and improves the Company's compensation employees and candidates in accordance with the law. The Human Resources system based on the results of the survey. These efforts ensured a fair and scientific compensation system and further Department takes the lead in setting measurable objectives related to diversity enhanced talent attraction. For employees under labor contracts the compensation includes fixed compensation (i.e.and discussing and agreeing on strategies to enhance diversity among employ- base salary) and variable remuneration (including monthly performance-based salary and bonuses). Bonus distribu- ees of the Company (including senior management) on an annual basis. tion comprehensively considers factors such as corporate performance departmental weighting team and individual In terms of talent pipeline development GCL SI has built a talent reserve data- performance thereby motivating employees.base and conducts regular human resources analysis to precisely match and In accordance with systems such as the Benefits Management Standards and the Leave Management Standards GCL supply talent for various business lines. Simultaneously the Company places SI standardizes the categories and disbursement criteria of benefits effectively strengthening employee belonging strong emphasis on the selection and development of management trainees and team cohesion. In addition to statutory welfare such as social welfare and paid leave the Company also provides steadily advancing talent reserve and development. In addition the Company employees with cash benefits such as meal allowance high-temperature and cold-weather subsidies holiday benefits provides internal recruitment and transfer opportunities to help employees de- communication and transportation subsidies and non-cash benefits such as annual physical examination and team velop and utilize their talents in positions that better suit their strengths. trips. During the Reporting Period the social insurance coverage rate of the Company was 100%.To enhance the competitiveness of its talent pool GCL SI continuously optimizes mechanisms for attracting high-level talents actively collaborates with local gov- Welfare structure ernments to provide attractive benefits for such talents and assists eligible indi- viduals in applying for various supports including individual income tax refunds living allowances housing subsidies and talent recruitment subsidies. In 2025 Statutory welfare Corporate welfare the Company focused on recruiting R&D and overseas sales talents introducing 24 R&D professionals and 27 overseas sales professionals through diversified recruitment models thereby providing talent assurance for technological inno- vation and overseas market expansion. Cash benefits Non-cash benefits Social welfare Meal High-temper- Additional commercial subsidy ature subsidy insurance In 2025 Cold-weather subsidy Holiday benefit Staff training The Company employed and Special Communica- Team trip allowance tion subsidy 1257 150 Paid leave Regular physical Transportation subsidy examination female employees ethnic minority employeesGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 42 Employee Care During the Reporting Period GCL SI has organized various employee caring and cultural development activities based on the principles of "united culture and harmonious win-win results" to strengthen employee cohesion and harmonious staff relations.Healthy Life Care for Mental Health Taking the Group's 35th anniversary as an opportunity Wuhu GCL SI addresses employees' need for psychological counseling and emotional the Management Center of GCL SI organized an ESG- regulation by establishing 9 part-time psychological counselor positions to provide themed camping event integrating leisure and ESG professional psychological companionship and guidance services. During the Reporting practices to create a platform for employees to connect Period 2 mental health workshops and training sessions were conducted to safeguard with nature and enhance mutual communication employee psychological well-being.thereby promoting the integration of environmental Funing GCL SI promotes mental health awareness among employees through mental and low-carbon concepts into corporate development health workshops and questionnaire surveys while also offering one-on-one mental and employees' lives. health counseling services to help employees release their negative emotions and cre- Wuhu GCL SI regularly carries out a series of employee ate a warm and inclusive workplace atmosphere.activities centered on the concept of healthy life. In 2025 a total of 74 events were held covering 12092 participants including sports competitions such as basketball and badminton as well as health-related themes effectively fostering the physical and mental Family Care well-being of employees. GCL SI places significant emphasis on caring for employees and their families. To ad- Hefei GCL SI has collaborated with third-party medical institutions to provide special- dress the childcare needs of employees during summer vacations the Company has ized free oral health care services for employees and offered personalized free tradi- established a summer childcare program for employees' children. This thoughtful initia- tional Chinese medicine consultation services to over 80 employees on the production tive effectively enhances employees' happiness and sense of belonging.front line delivering professional and convenient medical and health services directly to employees and conveying its humanistic warmth.Funing GCL SI has set up a multifunctional health sta- tion to provide employees with convenient and regular health monitoring services including blood pressure blood glucose and blood oxygen measurements. This enables early detection and intervention regarding employee health issues strengthening the workplace health protection system.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 43 Employee Communication GCL SI makes efforts to build a harmonious and open communication environment and has established and implemented internal policies such as the Democratic Governance Communication Management Policy the Consultation and Communication Control Procedures and the Employee Relationship Management Standards. Additionally GCL SI has signed collective agreements with employees on various aspects including health and safety working conditions training and development and the protection of female employees. These agreements cover all GCL SI bases in the Reporting Period ensuring that employees' fundamental rights are fully protected.An annual employee satisfaction and corpo- rate climate survey is conducted covering 6 To facilitate efficient and smooth two-way communication between the Com- 2025 core dimensions of logistics support train- pany and employees multiple communication channels have been established: ing department atmosphere leadership GCL SI Employees Satisfaction GCL SI conducts on-boarding interviews and regular fol- and management security and welfare. A Survey Score in 2025 New employee low-ups with new employees to help them quickly adapt closed-loop feedback mechanism is in place talk to corporate policies and culture ensuring seamless inte- to address findings and drive continuous im- gration into the corporate environment. provement. In 2025 based on survey results 89.2 the Company optimized cross-department The Company organizes at least one Staff Forum per month collaboration mechanisms to address key covering representatives of different employee groups.concerns further enhancing organizational Staff forum Additionally the Company carries out interviews with core efficiency and the workplace environment.employees from time to time to actively incorporate reason- able suggestions put forward by employee representatives.Reporting System The Company has established a "General Manager's Mail- General Man- box" that operates with a daily collection and prompt re- GCL SI guarantees that all employees have ager's mailbox sponse mechanism. Exceptional suggestions contributing access to legal and legitimate channels for to the Company's development are duly rewarded. safeguarding their rights. We encourage all employees to take the initiative to report any The Company regularly conducts visits to employee dor- violations of employee rights and interests.mitories engaging in face-to-face communication and col- Employee dor- Employees can report through the labor mitory visits lects improvement suggestions from frontline employees. union of GCL SI the official complaint and re- This process ensures that employee concerns are heard porting platform (http://www.gcl-power.com/ and addressed through timely feedback and action.en/contact/lzzx.html) or other channels. The The Company has established and improved the Workers' Company will treat whistleblower information Congress system. Regular meetings are held to discuss key in strict confidence. We maintain a zero-tol- Hefei GCL SI Establishes Feedback Channels for Employee Workers' issues such as compensation and benefits career devel- erance attitude towards attempt to retaliate Opinions and Suggestions Congress opment work environment and workplace safety widely against whistleblowers through threats intim- listen to employee opinions and ensure their active par- idation or personal attacks and will take deci- ticipation in corporate governance and decision-making. sive disciplinary action against such behavior.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 44 Diversity Equity and Inclusion GCL SI advocates for a corporate culture of diversity equity and in- clusion. GCL SI has established and implemented systems such as 2025 Highlights of Employee Diversity Care the Management Standards on the Rights and Interests and Labor Protection of Female Employees and the Management System on Care for Female Employees Prohibition of Discrimination and Disciplinary Measures. Addition- ally the Company has publicly disclosed the Equality and Diversity * Hefei GCL SI provided "Warm Welcome" care packages containing essential supplies for female employees Policy and committed to decisively eliminating any form of dis- in dormitories and office areas and established standardized nursing rooms equipped with comfortable crimination and harassment due to factors such as gender age breastfeeding facilities and considerate amenities to enhance their sense of belonging and well-being.ethnicity race nationality religious beliefs disability and marital * During Women's Day the Management Center of GCL SI organized themed salons floriculture experience status. Employees from diverse backgrounds and with different in- health lectures and other diverse activities to convey festive care and blessings to female employees help- dustry experiences are supported to fully demonstrate their talents ing them alleviate work pressure and enrich their spiritual lives.and realize their own value.* Wuhu GCL SI focusing on empowering female professional growth hosted a Female Career Development To enhance employees' awareness of anti-discrimination an- Sharing Session during Women's Day. At the session senior female managers were invited from the base ti-harassment and diversity issues the Company provides training to share their career journeys and insights inspiring more women to break through personal barriers and and communication on these topics to employees. During the shine in the workplace.Reporting Period GCL SI conducted dedicated training for all management and frontline employees based on the SA8000 So- cial Accountability Standard covering the standard requirements diversity anti-discrimination anti-harassment and industry best practices. This training enhanced employees' understanding of human rights protection equitable employment and labor rights.In addition the Company has established reporting and complaint channels to encourage employees to report misconduct. In 2025 GCL SI did not receive any employee complaints related to discrim- ination harassment or human rights issues. Caring for People with Disabilities GCL SI values the development of female employees and ensures Adhering to inclusive employment principles and social responsibility Hefei GCL SI had specifically set up the career opportunities for them. In 2025 female employees account- position of physiotherapist for visually impaired individuals creating equal employment opportunities for special ed for 26.40% of GCL SI's workforce with 19.44% representation groups and helping them realize their own value.in middle management and 11.43% in senior leadership demon- strating our strong commitment to gender equality and diversity.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 45 Employee Training and Development Talent is an important engine for the sustainable development of enterprises. GCL SI continuously improves its multi-channel promotion mechanisms scientific performance appraisal systems and systematic training frameworks to foster deep integration and synchronized progress between talent growth and enterprise development.Talent Training GCL SI has established a comprehensive and diverse training and development system for all employees. During the Reporting Period the Company further optimized training management relat- ed standards and introduced the New Employee Onboarding Mentor Management System to enhance employees' professional capabilities.The Company follows the concept of "three matrices" and systematically designs the training curriculum based on employees' abilities and career development paths. Aligned with four major career routes and seven training modules the Company implements tiered and categorized training to address the competency development needs of employees at different levels achieving refined talent cultivation. Employee course completion rates are incorporated as key performance and promotion indicators to encourage proactive learning and professional advancement.The concept of "three matrices" Four career routes Seven training modules * Training Target Matrix: Establish a position system * Management route (M) * GCL SI Leadership Program (GLP) for employees based on their career development. * Professional route (P) * GCL SI Development Program (GDP) * Position Skills Matrix: Describe the core responsibil- * Technical route (T) * GCL SI Value Program (GVP) ities and the work skills required for the positions. * Operating route (O) * GCL SI Technical Program (GTP) * Training Course Matrix: Develop training courses * GCL SI Marketing Program (GMP) corresponding to each position based on the re- quirements of the position skills. * GCL SI Operating Program (GOP) * GCL SI New-hires Program (GNP)GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 46 The Company provides all employees with support for training and certification of academic and vocational skills. We have proactively collaborated with Shanghai Jiaotong University Jinan University Tianjin University of Technology Wuhu GCL SI's Tiered Management Capability Hohai University and other colleges and universities to holistically assist employees in enhancing their professional Enhancement Training competencies and overall capabilities.For the development of management trainees the Company continuously refines their Individual Development Plans To strengthen the comprehensive capabilities of its man- (IDP). We guide trainees to collaboratively set career goals and action plans with their business mentors aligning with agement pipeline Wuhu GCL SI conducted a specialized both corporate strategy and personal growth aspirations thereby providing clear career pathways for new talents. management capability enhancement training program.For frontline and mid-to-senior management Wuhu GCL In 2025 to strengthen the internal training system the Company launched two specialized cultivation and certification SI offered practical management simulation training.programs for internal trainers and corporate culture instructors. These programs focus on core competency dimen- Employing a closed-loop teaching model of "scenario sions such as curriculum development instructional delivery and practical empowerment aiming to elevate the over- simulation - practical simulation - review and discussion" all capabilities of internal trainers. the program aimed to enhance participants' practical ex- ecution and strategic implementation abilities. For front- 2025 Multi-Topic Training Programs line management Wuhu GCL SI arranged intensive lean training camps. Through modular courses case studies Company-wide learning day Lean training AI boot camp and on-site practical exercises the program guided partic- ipants in integrating lean thinking into their daily work.To enhance the technical proficien- The Company conducted the sec- In response to the digital and in- cy of all employees the Company ond phase of internal rotation train- telligent transformation strategy implemented the "Company-wide ing under the Excellence in Lean Funing GCL SI introduced a spe- learning day" series of thematic ac- Program. Delivered by the internal cialized AI boot camp program. It tivities. These sessions engaged staff trainer team the training focused cumulatively covered 316 partic- across all levels providing support on core areas and engaged 74 par- ipants continuously enhancing for the Company's technological up- ticipants further reinforcing lean employees' ability to apply AI in grades and the implementation of thinking across the workforce. business scenarios.its green and low-carbon strategy."Hexagonal Warrior" series training program Overseas high-potential talent program To improve the operational efficiency of the produc- To strengthen the talent foundation for overseas busi- tion system Funing GCL SI launched the "Hexagonal ness expansion the Company launched the "overseas Warrior" professional skills enhancement program in high-potential talent boot camp" a specialized culti- the form of immersive theory-plus-practice. The pro- vation project targeting functional and business core gram reached 56 participants effectively strengthening personnel. The program delivered diverse training the professional capabilities of frontline employees. focused on key areas of overseas operations cumula- tively covering over 80 participants thereby solidifying talent support for the global market strategy.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 47 Talent Training Performance in 2025 2025 Talent Development To build a solid foundation for talent growth In performance management the Company has Total number of employees trained Total training hours through institutional frameworks GCL SI has established and refined the Management Stand- 4761Persons 174381 formulated internal management policies such ards for Performance Evaluation implementing Hours as the Management Measures for Employee Ca- a comprehensive monthly and annual evalua-reer Development the Management Standards tion system. Differentiated and precise perfor- for Promotion and Demotion and the Manage- mance indicators are set according to employ- ment Measures for Position Competition. These ees' functions and levels ensuring the scientific Average training hours Average training hours policies collectively establish a comprehensive fair and applicability of the evaluation system.per employee per male employee and standardized support system for profession- Performance outcomes serve as the primary al career advancement. basis for merit recognition and commendation 36.63 36.81 job appointment training and development Hours/Person Hours/Person The Company continuously optimizes its pro- motion mechanisms and career path structures bonus allocation and salary adjustment. Simul- through four promotion paths i.e. manage- taneously we conduct periodic face-to-face ment professional technology and operation. performance feedback and targeted coaching to Average training hours Average training hours for These pathways provide clear progression help employees identify areas for improvement per female employee senior management level opportunities for employees across all do- set clear goals and enhance their skills.mains facilitating both vertical promotions and To further professionalize performance man- 36.12 12.49 horizontal mobility to fully mobilize employees' agement the Company carries out manage-Hours/Person Hours/Person intrinsic motivation. ment inspections of all business divisions and functional departments at irregular intervals.These inspections cover implementation of Average training hours for Average training hours for In 2025 performance management policies target de- middle management level junior employees composition evaluation process compliance The coverage rate of full-time employee face-to-face interview feedback and results ap- 147.99 34.21 performance appraisal and feedback was plication ensuring the effective execution of the Hours/Person Hours/Person performance management system. 100% Total investment in Fulfillment rate employee training of training plan 840 RMB10000 100%GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 48 Occupational Health and Safety Management System GCL SI strictly adheres to the relevant laws and regulations including the Work Safety Law of the People's Republic of China and the Law of the People's Republic of China on the Prevention and Control of Occupational Diseases and establishes and improves the occupational health and safety management system to ensure that the Company's work safety and employees' health rights and interests are effectively protected.We have formulated and implemented a series of policies including the Occupational Health Management System the Work Safety Responsibility Assessment System the Education and Training System for Work Safety and the Responsibility System for the Prevention and Control of Occupational Diseases clearly defining roles and management requirements for work safety and occupa- tional health. In 2025 the Company introduced additional regulatory documents such as the Volunteer Fire Brigade Management System the Safety Officer Management System and the Safety Management System for Inspection and Maintenance. The Comprehensive Work Safety Responsibility Management System was also updated to reinforce all aspects of work safety accountability.An effective work safety responsibility system that integrates area-based management and line management has been established. Each production base has set up a Work Safety Committee to strictly implement position-specific safety ac- countability systems at all levels and continuously strength- en management's safety management capabilities. In addition the Company has introduced departmental safety performance incentives to enhance overall safety aware- ness. During the Reporting Period Hefei GCL SI Funing GCL SI and Wuhu GCL SI all obtained the ISO 45001 Occupational Health and Safety Management System certification cover- ing 100% of the GCL SI photovoltaic module-related produc- tion bases.GCL SI's ISO 45001 Occupational Health and Safety Management System CertificationGCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 49 Occupational Health GCL SI places high importance on occupational health protection strictly adhering to the relevant provisions of the Law of the People's Republic of China on the Prevention and Control of Occu- pational Diseases. The Company has established regulations such as the Occupational Disease Emergency Response Plan and the Occupational Health Management System to ensure that em- ployees' health rights are effectively protected.In line with the safety goal of "zero safety accidents zero excess emissions and zero occupational diseases" the Company has established a comprehensive occupational disease prevention and control management mechanism to effectively safeguard employees' health rights and interests. Moreover we take the following measures to strengthen employee health protection: inform each new joiner in writing of the occupational disease hazards and post warning signs at the related positions; organize regular occupational disease physical examination for employees complete the declaration of occupational disease hazard items; engage third parties to conduct annual inspections of workplaces that may pose occupational disease risks and publish the inspection results; and conduct monthly testing on noise and other occupational hazards and implement rectification measures for those whose test results exceed the limits.In 2025 GCL SI further optimized various specific safety management measures with a focus on technology empowerment and full participation. The Company also advanced equipment up- grades risk prevention and control hazard management and process optimization to solidify the foundation of operational safety.Safety Management Highlights in 2025 Occupational Health and Safety Performance in 2025 Disclosure Item Unit 2025 * Deployment of AI anti-collision system: Funing GCL SI has installed an AI anti-collision system on all forklifts. This system relying on sensors and algorithms dynamically mon- Number of individuals with Full-time employee Persons 0 itors and analyzes potential risks enabling graded active warnings and automatic inter- work-related health problems Contractor Persons 0 vention in emergencies thereby reducing operational safety hazards.。 11 Total number of individuals with Full-time employee Persons 3 * Technical upgrades for enhanced safety assurance: Wuhu GCL SI has completed safety work-related injuries upgrades to its battery production equipment enhancing the intrinsic safety of equip- Contractor Persons 0 ment from the source. All employees are encouraged to participate in risk identification Full-time employee Persons 0 and strictly implement the safety briefing system for high-risk operations. Number of work-related fatalities Contractor Persons 0 * "Hidden danger snapshot" applet: Hefei GCL SI has launched the "hidden danger snap- Full-time employee Persons 0 shot" applet and implemented a safety points reward system to motivate employees. By Number of major work-related 2025 there were a total of 359 bonus records effectively improving the efficiency of hid- injuries (excluding fatalities) Contractor Persons 0 den danger identification and enhancing the safety awareness of all employees. Days of absence due to work-re- Full-time employee Days 127 * Online point inspection system: lated injuries Contractor Days 0 Funing GCL SI has established an Total recordable incident rate (TRIR)12 - 0.05 online point inspection system for firefighting equipment achieving 11 refined management of the safety In 2025 GCL SI had 3 work-related injuries including 1 person having foot sprained and 2 persons involved in off-site traffic accidents. Moving forward GCL SI will implement more comprehensive measures of firefighting equipment. to ensure workplace safety and provide a solid safeguard for the health and safety of its employees. 12 TRIR = (Number of work-related recordable incidents × 200000) /Total hours worked in the year (man- hours)GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 50 Emergency Management To standardize the Company's emergency management the Company has established a special group to formulate the Emergency Programs for Production Safety Accidents which was revised and improved following expert review and filed and registered with local emergency management agencies. In 2025 guided by the principle of "preparing for emergencies through exercises and preventing emergencies through training" the Company conducted a total of 118 drills including firefighting and emergency evacuation exercises. Through realistic scenario simulations these drills enhanced employees' rapid response collaborative cooperation and efficient handling of emergencies.Safety Promotion GCL SI actively engages in production safety publicity and education and the dissemination of occupational health knowledge to continuously improve employees' safety awareness and occu- pational health protection capabilities. For newly hired employees the Company strictly enforces a three-level safety training program to ensure they possess the necessary safety knowledge and emergency response skills. In 2025 the Company achieved a 100% coverage rate for new employee safety training. Additionally the Company organized specialized safety training sessions in- cluding hazard identification and grading control training job risk training and equipment operation safety training achieving comprehensive safety training coverage for all employees. In 2025 the Company conducted a total of 3082 training sessions related to employee occupational health and safety covering approximately 99249 participants.Environment Health and Safety (EHS) Themed Month Occupational Disease Prevention Capacity Training In 2025 Hefei GCL SI and Funing GCL SI closely followed the core requirements of During the Reporting Period Wuhu GCL SI held multiple lectures on employee health production safety and environmental management by launching the EHS themed awareness and occupational disease prevention capabilities. It also invited profes- month educational activities. The activities covered key areas such as electrical sional management instructors to detail self-training actions for occupational disease safety heatstroke prevention and flood control in summer improvement of special prevention closely integrating theoretical knowledge with physical function mainte- equipment management fire safety promotion and traffic safety. These initiatives nance thereby enhancing employees' awareness of occupational disease protection.effectively reinforced employees' safety knowledge reserves and strengthened their EHS responsibility awareness and practical skills.GCL System Integration Technology Co. Ltd. 2025 Sustainability Report Overview Sustainability Strategy and Governance Annual Feature 「N」ature 「E」quity E「X」cellence 「T」rust Appendix 51 Responsible Supply Chain GCL SI is dedicated to building a responsible supply chain systematically standardizing the entire procurement process and conducting supply chain risk management and sustainable development management to ensure the stable operation of the supply chain and enhance its resilience. GCL SI has also formulated and publicly disclosed the Business Partner Code of Conduct clearly defining the behavior requirements for suppliers and guiding partners to jointly practice the concept of sustainable development thereby building a clean stable and green responsible supply chain ecosystem.Supplier Management To standardize supplier management the Company strictly implements policies such as the Supplier Management Standard GCL SI attaches importance to the stability and continuity the Procurement Process Control Procedure and the Supplier Management Control Procedure clearly providing for supplier of the supply chain. The Company submits monthly reports classification and grading management supplier performance evaluation and supplier audits. It also conducts policy promo- on demand and arrival plans to identify and prevent fac- tion through supplier training to ensure that suppliers are aware of understand and comply with management requirements. tors that could disrupt the supply chain. Additionally the Company has explicitly stipulated force majeure clauses in Supplier Management System procurement contracts to further mitigate and reduce risks brought by supply chain disruptions or uncontrollable fac- tors enhancing supply chain resilience.Supplier classification management Supplier grading management In the procurement process the Company treats enterpris- Suppliers are categorized into strategic suppliers preferred suppliers Suppliers are graded into Level 1 Level 2 es of all sizes equally strictly enforces contract terms and general suppliers and suppliers under rectification. For suppliers un- and Level 3 for management based on prod- eliminates the practice of overdue payments to safeguard der rectification if they still fail to meet standards after rectification uct quality technological advancement the rights and interests of SMEs and build a fair and trans- the supplier exit mechanism will be initiated. importance of use and supply capability. parent business ecosystem.Supplier performance evaluation grading Supplier audits In 2025 Following the principles of "quality cost delivery and service" all The Company periodically revisits and The Company recorded procurement activities are subject to supplier performance evaluation audits strategic suppliers and suppliers jointly scored by the requesting department quality technology and with significant business relationships NO instances of overdue payments to SMEs supply chain departments. Based on the evaluation results scores to understand their operational produc- ranging from 90

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