Guotai Haitong Securities Co., Ltd. (GTHT) will convene its first extraordinary general meeting (EGM) of 2026 at 1:30 p.m. on Friday, 26 June 2026, in Room 405, 768 Nanjing West Road, Jingan District, Shanghai.

Key agenda items 1. Ordinary Resolution: adoption of the Basic Remuneration Management Rules of Guotai Haitong Securities Co., Ltd. 2. Special Resolution: approval of the change of use and cancellation of part of the company’s repurchased A-shares.

Shareholder eligibility and registration • The H-share register will be closed from Tuesday, 23 June 2026 to Friday, 26 June 2026 (both days inclusive). • To qualify for attendance and voting, H-shareholders must lodge share certificates and transfer documents with Computershare Hong Kong Investor Services Limited by 4:30 p.m. on Monday, 22 June 2026. • Shareholders registered on Friday, 26 June 2026 are entitled to attend.

Proxy arrangements • Eligible shareholders may appoint one or more proxies; proxies need not be shareholders. • Completed proxy forms and notarised authorisations must reach Computershare Hong Kong Investor Services Limited by 1:30 p.m. on Thursday, 25 June 2026. • All resolutions will be decided by poll.

Additional information • The meeting is expected to last half a day; attendees bear their own travel and accommodation costs. • Identification documents are required for entry. • As of 5 June 2026, the board comprises three executive directors, eight non-executive directors, one employee director and six independent non-executive directors, chaired by Mr. Zhu Jian.

For further details, shareholders should refer to the circular issued on 5 June 2026.