公告日期：2025-12-20

Stock Code: 200771 Stock ID: Hangqilun B Announcement No.:2025-133

Hangzhou Turbine Power Group Co., Ltd.

Prompting Announcement Regarding the Share Exchange Absorption Merger
Involving B-share Transferring to A-share

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 "Hirisun") plans to
absorb and merge Hangzhou Turbine Power Group Co., Ltd. (hereinafter referred to as "HTC" or
the "Company") by issuing A-shares to all share exchange shareholders of HTC(hereinafter
referred to as the "Transaction"). The relevant matters of the Transaction have been approved at
HTC's Second extraordinary general meeting of shareholders in 2025 and have obtained the
approval from the China Securities Regulatory Commission (hereinafter referred to as the "CSRC")
by the document "Approval of Registration for Hangzhou Hirisun Technology Incorporated. to
Absorb and Merge Hangzhou Turbine Power Group Co., Ltd." (No. 2141 [2025]CSRC Permit).

According to the merger plan, the Company submitted an application for the delisting of its shares
to the Shenzhen Stock Exchange (hereinafter referred to as the “SZSE”) on November 26, 2025.
The Shenzhen Stock Exchange approved the Company's application for the delisting of its shares
on December 18, 2025,the Company will initiate the process of converting HTC (200771)B shares
into Hirisun (300277) A shares. To ensure that investors who hold their shares until the final
trading day and participate in the share conversion are informed of the relevant changes and can
complete the conversion smoothly, the Company hereby presents the following points to investors:
I. Securities Accounts for Declaring Hirisun AShare……
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