公告日期：2025-12-20

Stock Code: 200771 Stock ID: Hangqilun B Announcement No.: 2025-136
A-Share Issuance of Hangzhou Hirisun Technology Incorporated for Share
Swap Merger with Hangzhou Turbine Power Group Co., Ltd. and related
Transaction - A/B Share Securities Account Conversion Procedures and Investor
Operation Guide

December 2025

Contents

Special Reminder:

Special Reminder......3

Part I: Explanation of Investor Types......5

1. Classification of B-Share Securities Accounts......5

2.Investor Classification in this Operation Guide......5

Part II: Basic Operational Procedures...... 6
I.Linkage Relationship of Hangqilun B Share Investors' One-Account-Pass (Applicable Only

to Domestic Individual Investors)......6

2.Determining the Securities Account and Custody Unit for Hirisun A-Shares......7

3.Allocation of Shenzhen Market Transfer-Restricted Accounts......11

4.B-Share Deregistration and A-Share Initial Registration......13
5.RMB Fund Account Activation/Opening (Applicable only to investors allocated a

transfer-restricted account)...... 14

7. Fund Transfer...... 18
8. Capital Reserve Conversion into Shares, Bonus Share Issuance, and Dividend Distribution

......19

9. Differential Dividend Tax......19

10. Treatment of Fractional Shares Arising from the Share Swap......20

11. General Meetings of Shareholders......20

12. Cancellation of Transfer-Restricted Accounts......20
13. Handling of Pledges, Freezes, and Non-Trading Transfers for Transfer-Restricted

Accounts......20
Appendix I:......21

Declaration Form for Correspondence between A/B-share Securities......21

Accounts and Custody Units......21

Appendix II:......22
Declaration Form for Securities Accounts and Custody Units of Investors of Hangqilun

B-Share Not Trading Domestically...... 22

Appendix III:......23

Contact Inf……
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