Stock Code: 300277 Stock ID: Hirisun Announcement No.:2026-003

Hangzhou Hirisun Technology Incorporated.Prompting Announcement on Subsequent Share Trading Matters for B-Share

Shareholders of Hangzhou Turbine Power Group Co. Ltd.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.Important Note:

1. On February 2 2026 the Shenzhen branch of China Securities Depository and Clearing

Corporation Limited 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. This announcement concerns the original

HTC B-share shareholders and does not involve the Company's A-share shareholders.

2. To ensure that the original HTC B-share shareholders can trade the newly listed shares on the

first day of the Company's new share listing the investors (especially domestic individual

investors without an A-share securities account or those who have not correctly declared an

A-share securities account the foreign investors engaging in domestic transactions and foreign

investors not trading domestically who are allocated to transfer registration restricted accounts bythe Shenzhen branch of China Securities Depository and Clearing Corporation Limited) shall

promptly contact their custodian broker (or the Zhejiang Branch of CITIC Securities Co. Ltd.) to

confirm the Shenzhen A-share securities account used for registering Hirisun shares and

subsequent stock trading matters.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. The

Company's newly added A-shares will be listed on the Shenzhen Stock Exchange with the

securities abbreviated as "Hirisun" and the stock code "300277".Due to the large number of original HTC B-share shareholders the diversity of investor types

securities accounts and custodian units as well as varying requirements from different brokeragefirms some investors (especially domestic individual investors without an A-share securities

account or who have not correctly declared their A-share securities account foreign investors

trading domestically and foreign investors not trading domestically whose transfer registration

accounts are restricted and allocated by the Shenzhen branch of China Securities Depository and

Clearing Corporation Limited) may still need to complete relevant procedures such as opening a

fund account before they can carry out transactions or transfer custodian. To ensure that investors

can normally trade the newly issued shares on the first day of listing investors shall promptly

contact their custodian broker (or the Zhejiang branch of CITIC Securities Co. Ltd.) to confirm

the Shenzhen A-share securities account used for registering Hirisun shares and to follow up on

subsequent share trading matters.If you have any questions please contact Zhejiang Branch of CITIC Securities Co. Ltd..Contact information for consultations and business transactions with the Zhejiang Branch of

CITIC Securities Co. Ltd.:

Chinese contact: Huang Lei phone: 86-0571-85772223

English contact: Pan Xinchen phone: 86-0571-87995380

E-mail: hql-zj@citics.com

Address: 19th Floor Dikai Silver Building No. 29 East Jiefang Road Shangcheng District

Hangzhou Zhejiang Province

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

February 32026