China Building Materials Co., Ltd. (“CNBM”) will hold an Inland Equity Class Shareholders' Meeting at Guohai Square, Haidian District, Beijing, on April 29, 2024 at 4:00 p.m. The meeting will consider special resolutions authorizing the Board of Directors to repurchase not more than 10% of the issued H shares within a specified period, and to deal with related matters such as repurchase capital export, share write-offs and amendments to the Articles of Association. The term of the license shall be from the date of adoption of the resolution until the end of the next Annual General Meeting, or the expiration of twelve months, or the date on which the shareholders withdraw or amend the resolution of the authorization. Share transfer registration will be suspended from 24 to 29 April 2024. Shareholders may appoint agents to attend the meeting and vote. The relevant documents must be delivered to the Company at least 24 hours prior to the meeting. Voting results will be announced after the meeting.

China Building Materials Co., Ltd. (“CNBM”) will hold an Inland Equity Class Shareholders' Meeting at Guohai Square, Haidian District, Beijing, on April 29, 2024 at 4:00 p.m. The meeting will consider special resolutions authorizing the Board of Directors to repurchase not more than 10% of the issued H shares within a specified period, and to deal with related matters such as repurchase capital export, share write-offs and amendments to the Articles of Association. The term of the license shall be from the date of adoption of the resolution until the end of the next Annual General Meeting, or the expiration of twelve months, or the date on which the shareholders withdraw or amend the resolution of the authorization. Share transfer registration will be suspended from 24 to 29 April 2024. Shareholders may appoint agents to attend the meeting and vote. The relevant documents must be delivered to the Company at least 24 hours prior to the meeting. Voting results will be announced after the meeting.