公告日期：2024-04-30

Stock Code: 200771 Stock ID: Hangqilun B Announcement No.：2024-21

Hangzhou Steam Turbine Power Group Co., Ltd.

Summary of 2023Annual Report

I. Important Notice

This Summary is based on the fullAnnual Report of the Company, In order for a full understanding of the
Company’s operating results, financial position and future development plans, investors should carefully read

the aforesaid full text on the media designated by the China Securities Regulatory Commission (the “CSRC”).

All of the directors attended the board meeting on which this report was examined.

Non-standard auditor’s opinion

□Applicable √ Not applicable

Plans for profit distribution on ordinary shares or conversion of capital reserves into share capital proposed
to the Board during the reporting period.

√Applicable □ Not applicable

Whether provident fund reserve for share capital

□ Yes √ No

Based on 1,175,009,597 shares, a cash dividend of 5 yuan (tax included) will be distributed to all
shareholders for every 10 shares, and 0 bonus shares (tax included) will be given, without converting the
reserve fund into share capital.

Plans for profit distribution on preference shares for the reporting period approved by the Board

□Applicable √ Not applicable

II. Basic information about the company

1. Company profile

Stock ID Hangqilun B Stock code 200771

Stock exchange for listing Shenzhen Stock Exchange

Modified stock ID (if any) Not applicable

Contact person and contact Board secretary Securities affairs Representative
manner

Name Li Guiwen Li Xiaoyang

Address No.1188, Dongxin Road, Gongshu No.1188, Dongxin Road, Gongshu

District, Hangzhou, Zhejiang District, Hangzhou, Zhejiang

Fax ……
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