Stock Code: 300277 Stock ID: Hirisun Announcement No.:2026-004

Hangzhou Hirisun Technology Incorporated

Prompting Announcement on the Progress of the Company's Share Exchange

Merger with Hangzhou Turbine Power Group Co. Ltd. namely the Related

Transaction

The members of the Board and the Company acknowledge being responsible for the truthfulness

accuracy and completeness of the announcement. There are no false records misleading

statements or significant omissions in this announcement.Hangzhou Hirisun Technology Incorporated. (hereinafter referred to as the "Company" or

"Hirisun") has obtained the approval of the China Securities Regulatory Commission (No.

2141[2025]CSRC Approval) in September 2025 for the share exchange and absorption merger of

Hangzhou Turbine Power Group Co. Ltd. (hereinafter referred to as "HTC") namely the related

party transaction (hereinafter referred to as the "Transaction" or "the Share Exchange and

Absorption Merger"). On February 2 2026 the Shenzhen Branch of China Securities Depository

and Clearing Co. Ltd. completed the allocation of transfer registration restricted accounts for

domestic individual investors of the original HTC who either did not have an A-share securities

account or did not correctly declare their A-share securities account as well as for foreign

investors engaging in domestic transactions and foreign investors not engaging in domestic

transactions. The Company has submitted an application for additional A-share shares to the

Shenzhen branch of China Securities Depository and Clearing Corporation Limited and is in the

process of handling the share registration procedures. After the completion of this share exchange

and absorption merger the total share capital of the Company is 1516604765 shares. TheCompany's newly added A-shares will be listed on the Shenzhen Stock Exchange with the

securities abbreviated as "Hirisun" and the stock code "300277". The Company will promptly

proceed with the listing of the newly added shares arising from this transaction.I. Implementation of the Appraisal Right and Cash Option

1. Implementation of the Appraisal Right

The Company has implemented the appraisal right. During the declaration period for the appraisal

right no dissenting shareholders have submitted a request to exercise this right. For details please

refer to the Company's announcement on the Result of the Appraisal Right Declaration disclosed

on the Cninfo website (http://www.cninfo.com.cn) on November 19 2025.

2. Implementation of Cash Option

HTC has implemented the cash option. During the declaration period for the cash option no

dissenting shareholders applied to exercise the cash option. For details please refer to the

"Announcement on the Result of Cash Option Declaration by Hangzhou Turbine Power Group

Co. Ltd." disclosed by Hangzhou Turbine Power Group Co. Ltd. on November 26 2025 on the

Cninfo website (http://www.cninfo.com.cn).II. Progress of HTC's Delisting

According to the transaction plan Hirisun will absorb and merge HTC by issuing A-shares in the

share exchange. Hirisun is the absorbing party and HTC is the absorbed party. This means Hirisun

will issue A-shares to all shareholders of HTC in exchange for the HTC shares they hold. Upon

completion of this share exchange merger HTC will be delisted and its corporate status will be

cancelled. Hirisun will succeed and assume all assets liabilities business personnel contracts

and all other rights and obligations of HTC. The A-shares issued by Hirisun in connection withthis share exchange merger will be applied for trading and circulation on the ChiNext Board of the

Shenzhen Stock Exchange (hereinafter referred to as the “SZSE”).HTC has submitted an application to the Shenzhen Stock Exchange for the voluntary

termination of its stock listing on November 26 2025. On December 18 2025 the Shenzhen

Stock Exchange issued the "Decision on the Termination of Stock Listing of Hangzhou Turbine

Power Group Co. Ltd." (No. 1431[2025]SZSE). According to this decision HTC's share was

officially delisted starting from December 22 2025. For details please refer to HTC's

"Announcement on the Termination of Share Listing and Delisting" disclosed on December 20

2025 on the Cninfo website (http://www.cninfo.com.cn).

III. Note on Follow-up Matters

Due to the large number of original HTC B-share shareholders the diversity of investor types

securities accounts and custody units as well as the different requirements of various brokers

some investors (especially domestic individual investors without A-share securities accounts or

who have not correctly declared their A-share securities accounts foreign investors trading

domestically and foreign investors trading outside China who are allocated restricted accounts by

the Shenzhen branch of China Securities Depository and Clearing Corporation Limited) may still

need to complete account opening and other related procedures before they can carry out trading

and transfer custodian operations. To ensure the newly issued shares can be traded normally on the

first day of listing the original HTC B-share investors shall promptly contact their custody

brokers (or the Zhejiang branch of CITIC Securities Co. Ltd.) to confirm that the relevant

procedures have been completed and that the accounts and custody units can trade normally. For

detailed information please refer to the Company’s announcement disclosed on the same day onthe Cninfo website (http://www.cninfo.com.cn) entitled "Prompting Announcement on Subsequent

Share Trading Matters for B-Share Shareholders of Hangzhou Turbine Power Group Co. Ltd."

IV. Contact Person and Contact Information

For matters related to this Transaction investors are advised to pay attention to announcements

from the Company and Hangzhou Turbine Power Group Co. Ltd. If you have any questions you

can contact us through the following methods:

(A) Hangzhou Hirisun Technology Incorporated

Contact Person: Chen Xiang Zheng Xueqiong

Contact Address: Room 301 Building R2-B High-tech Industrial Village No. 206 Gaoxin South

7th Road High-tech Community Yuehai Street Nanshan District Shenzhen

Tel: 0755-26972918

Fax：0755-26972818

(B) Hangzhou Turbine Power Group Co. Ltd.

Contact Person: Li Xiaoyang Wang Caihua

Contact Address: No.1188 Dongxin Road Gongshu District Hangzhou

Tel：0571-85780438，0571-85784795

Fax：0571-85780433

This announcement is hereby made.The Board of Directors of Hangzhou Hirisun Technology Incorporated

February 32026