公告日期：2025-10-31

Stock Code: 200771 Stock ID: Hangqilun B Announcement No.:2025-113
Hangzhou Turbine Power Group Co., Ltd.

Prompting Announcement on the Share Exchange Absorption Merger of

Hangzhou Turbine Power Group Co., Ltd.by Hangzhou Hirisun Technology
Incorporated.

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 Notice:

1. With the approval of the China Securities Regulatory Commission under Document
No.2141[2025], Hangzhou Hirisun Technology Incorporated. (hereinafter referred to as "Hirisun")
will proceed with the share exchange merger to absorb Hangzhou Turbine Power Group Co., Ltd.
(hereinafter referred to as "HTC" or "the Company").

2. To fully protect the legitimate interests of the Company's shareholders, the current share
exchange acquisition and merger will have Hangzhou State-owned Capital Investment and
Operation Co., Ltd. (hereinafter referred to as 'Hangzhou Capital') act as the provider of the
Company's shareholder cash option rights. The record date (last trading day) for the cash option
rights is November 4, 2025. Once the cash option rights distribution is completed, it will enter the
declaration procedure. For details, please refer to the prompting announcement of the cash option
rights distribution and implementation published by the Company on October 31, 2025. As the
current trading price of the Company's shares is higher than the cash option exercise price,
exercising the cash option may result in losses for investors. Investors are advised to exercise
caution in their decision-making.

3. The Company's stock (stock code: 200771) will be suspended from trading starting November 5,
2025. Afterwards, HTC stock will enter the stages of cash option distribution,……
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