The board of directors (the "Board") of China National Building Material Company Limited announced that due to work adjustment, with effect from 28 December 2022, Mr. Chang Zhangli ceased to be a member of the strategic steering committee of the Board. At the same date, the Board also resolved that Mr. Wei Rushan, an executive director of the Company, is appointed as a member of the strategic steering committee of the Board for a term starting from 28 December 2022 and consistent with that of the current session of the Board.