Tianjin Construction Development Group Co., Ltd. (TJCD) has issued a notice convening an extraordinary general meeting (EGM) for 10:00 a.m. on Wednesday, 30 September 2026. The session will take place in Conference Room 2 at No. 112 Dongting Road, Economic and Technological Development Zone, Binhai New Area, Tianjin, PRC.

Key agenda: • Shareholders will vote on one ordinary resolution concerning the proposed appointment of an independent non-executive director.

Voting mechanics and timetable: • All resolutions will be decided by poll in accordance with Hong Kong Stock Exchange listing rules. • H-shareholders wishing to attend in person or by proxy must ensure their names appear on the register of members by 4:30 p.m. on Thursday, 24 September 2026. The register will be closed from 25 to 30 September 2026 (both dates inclusive), during which no share transfers will be processed. • Proxy forms, together with relevant authorisations, must reach Tricor Investor Services Limited, 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong, by 10:00 a.m. on Tuesday, 29 September 2026.

Administrative details: • Shareholders may appoint one or more proxies; proxies need not be shareholders. • Identification is required for entry, and attendees bear their own travel and accommodation costs. • Poll results will be published on the TJCD website (www.tjcdg.com) and the HKEX news website (www.hkexnews.hk) following the meeting.

Board composition: As of the notice date (11 September 2026), TJCD’s board comprises five executive directors (Zhao Kuanghua, Guan Fengdan, Yang Youhua, Ni Baqun and Ma Guoqun), one non-executive director (Chairman Wang Wenbin) and three independent non-executive directors (Dr. Yan Bing, Dr. Liu Jinlu and Shiu Shu Ming).

Contact information for shareholder inquiries is available via Gan Shuang at +86 22 25361111-8303, Room 116, No. 112 Dongting Road, Tianjin Economic Technological Development Area.