The board of directors of Chengdu Expressway Co., Ltd. (the "Company") hereby announced that Mr. Zhang Guangwen ("Mr. Zhang") has resigned as the secretary to the Board, the joint company secretary and the authorised representative (the "Authorised Representative") of the Company under Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Stock Exchange") (the "Listing Rules") due to work rearrangement with effect from 29 April 2024. Upon his resignation, he also ceased to serve as a member of the environmental, social and governance working group under the Board and hold any position in the Company and its subsidiaries.