ANNOUNCEMENT ON IMPLEMENTATION OF

A SHARE FINAL DIVIDEND DISTRIBUTION FOR 2025 OF HUATAI SECURITIES CO., LTD.

(GDR under the Symbol: HTSC, ISIN: US44331T1043)

I. SESSION AND DATE OF THE GENERAL MEETING AT WHICH THE DISTRIBUTION PLAN WAS APPROVED

The 2025 profit distribution plan was considered and approved at the 2025 annual general meeting of the Company on June 26, 2026.

II. DISTRIBUTION PLAN

1.    Year of Distribution: 2025 Final

2.    Distribution Participants:

All holders of A Shares of the Company registered in the Shanghai Branch of China Securities Depository and Clearing Company Limited as at the close of the Shanghai Stock Exchange in the afternoon of the record date.

This announcement does not apply to dividend distribution for holders of H Shares of the Company. For detailed arrangements for holders of H Shares, please refer to the announcement published by the Company on HKEXnews website of the Hong Kong Exchanges and Clearing Limited (https://www.hkexnews.hk) and website of the Company (https://www.htsc.com.cn) on June 26, 2026.

3.    Distribution Plan:

The Company will distribute cash dividend of RMB0.40 (tax inclusive) per share based on the Company's total share capital of 9,026,863,786 Shares (before implementation of the plan), with the total cash dividend of RMB 3,610,745,514.40 (tax inclusive), including RMB 2,923,127,242.40 (tax inclusive) for 7,307,818,106 A Shares.

III. RELEVANT DATES

IV. PROFIT DISTRIBUTION MATTERS FOR GDR INVESTORS

The Company shall distribute cash dividends for the holders of global depositary receipts of the Company ("GDRs") to Citibank, National Association, the nominal holder of the domestic basic A Shares corresponding to GDR. According to the Corporate Income Tax Law of the PRC (《中华人民共和国企业所得税法》) and other relevant tax regulations, the Company shall withhold and pay income taxes at a tax rate of 10%. For the qualified investors who have invested in the GDRs issued by the Company on the London Stock Exchange and who comply with the relevant domestic and foreign regulatory rules (hereinafter referred to as "GDR investors"), if they are entitled to the treatment as stipulated in relevant tax treaties (arrangements), applications can be submitted to the governing tax authority according to regulations.

The record date for GDR investors is the same as the record date for holders of A Shares. The cash dividend will be distributed to GDR investors by Citibank, National Association through Euroclear Bank SA/NV and/or Clearstream Banking, S.A. on August 28, 2026 (London time).

V. RELEVANT INQUIRIES

For any questions about matters related to the implementation of the equity distribution, please contact us as follows:

Contact department: Board Office of Huatai Securities Co., Ltd

Email: [email protected]

Tel: +86 25 83387272、+86 25 83387780

Huatai Securities Co., Ltd.

August 12, 2026