CHIHO ENV (00976) has announced that Professor Li Zhiguo has resigned from his position as an independent non-executive director, effective May 21, 2026. Following his resignation, Professor Li has also stepped down from his roles as a member of the Remuneration Committee, Audit Committee, Nomination Committee, and Special Investigation Committee to dedicate more time to his other business affairs.

Effective May 21, 2026, the following appointments have been made: (i) Mr. Wu Wenfeng has been appointed as an independent non-executive director, Chairman of the Audit Committee, and a member of both the Nomination Committee and the Remuneration Committee. (ii) Ms. Wu Jian has been appointed as an independent non-executive director, Chairman of the Remuneration Committee, and a member of both the Audit Committee and the Nomination Committee. (iii) Mr. Cai Weikang has been appointed as an independent non-executive director, and a member of the Audit Committee, Nomination Committee, and Remuneration Committee.

Additionally, Mr. Wu Wenfeng, Ms. Wu Jian, and Mr. Cai Weikang have been appointed as members of the Special Investigation Committee, effective from the same date, May 21, 2026.