Simplified Equity Change Report of Chengda Pharmaceutical Co., Ltd.

1. Company Information

Company Name: Chengda Pharmaceutical Co., Ltd.
Listing Location: Shenzhen Stock Exchange
Stock Abbreviation: Chengda Pharmaceutical
Stock Code: 301201
Information Disclosure Obligor: Shenzhen Qianhai Shengtai Investment Enterprise (Limited Partnership)
Address: Room 201, Building A, No. 1 Qianwan 1st Road, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen (registered with Shenzhen Qianhai Business Secretary Co., Ltd.)
Nature of Equity Change: Reduction of shares, decrease in shareholding ratio
Signing Date: June 4, 2026

This report is prepared by the information disclosure obligor in accordance with the Company Law of the People's Republic of China, the Securities Law of the People's Republic of China, the Measures for the Administration of the Acquisition of Listed Companies, and the Guidelines for the Content and Format of Information Disclosure by Companies Issuing Securities to the Public No. 15 - Equity Change Report and other relevant laws and regulations.
The information disclosure obligor has obtained the necessary authorization and approval to sign this report.
This report fully discloses the changes in equity held by the information disclosure obligor in Chengda Pharmaceutical Co., Ltd. as of the signing date. Except for the information disclosed in this report, the information disclosure obligor has not increased or decreased its equity in Chengda Pharmaceutical Co., Ltd. through any other means.
This equity change does not trigger any mandatory tender offer obligations.
The equity change is based on the information contained in this report. No other person has been entrusted or authorized to provide information not listed in this report or to explain or interpret this report.
The information disclosure obligor commits that this report does not contain any false records, misleading statements, or significant omissions, and assumes individual and joint legal responsibility for its authenticity, accuracy, and completeness.

Statement of Information Disclosure Obligor ........................................................... 2
Section 1: Definitions ............................................................... 4
Section 2: Introduction of Information Disclosure Obligor ................................................. 5
Section 3: Purpose of Equity Change and Shareholding Plan ............................................. 6
Section 4: Method of Equity Change ....................................................... 7
Section 5: Trading of Chengda Pharmaceutical Shares in the Last Six Months ................................... 9
Section 6: Other Significant Matters ...................................................... 10
Section 7: Documents for Reference .......................................................... 11
Section 8: Statement of Information Disclosure Obligor ................................................ 12
Appendix: Simplified Equity Change Report .................................................... 13

In this report, unless otherwise stated, the following terms have the meanings ascribed to them:

Chengda Pharmaceutical, listed company, company refers to Chengda Pharmaceutical Co., Ltd.
Information disclosure obligor, Qianhai Shengtai refers to Shenzhen Qianhai Shengtai Investment Enterprise (Limited Partnership).
This equity change refers to the reduction of shares held by Shenzhen Qianhai Shengtai Investment Enterprise (Limited Partnership) by 7,752,149 shares, accounting for 5.01% of the total share capital of the company; the shareholding ratio of Shenzhen Qianhai Shengtai Investment Enterprise (Limited Partnership) decreased from 10.00% to 5.00%.
This report refers to the Simplified Equity Change Report of Chengda Pharmaceutical Co., Ltd.
CSRC refers to the China Securities Regulatory Commission.
Exchange refers to the Shenzhen Stock Exchange.
Company Law refers to the Company Law of the People's Republic of China.
Securities Law refers to the Securities Law of the People's Republic of China.
Yuan/ten thousand refers to RMB Yuan/ten thousand.
Note: Any discrepancies in totals and subtotals in this report are due to rounding.