China National Building Material Company Limited announced the expiration of the term of office of Mr. Yu Kaijun as the secretary of the board of the Company. The board of directors of the Company at a meeting of the Board held on 25 March 2022, approved Ms. Pei Hongyan was appointed as secretary of the Board of the Company with a term of office from the date of approval of the Board Resolution until the expiration of the fifth session of the Board, and she may serve consecutive term if re-appointed. Ms. Pei Hongyan is the chief accountant and certified public accountant of the Company.

She has extensive experience in accounting and corporate governance. Ms. Pei has been a supervisor of Xinjiang Tianshan Cement Co. Ltd. since December 2021.