The board of directors (the "Board") of China Infrastructure Investment Limited (the "Company") hereby announces that Mr. Ye De Chao and Mr. Xu Xiao Jun have resigned as the authorised representatives of the Company under Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Authorised Representative") with effect from 30 August 2023. The Board further announces that Mr. Lu Yi, the chairman of the Company and Mr. Wong Hoi Kuen, the company secretary of the Company, have been appointed as the Authorised Representatives with effect from 30 August 2023.