National Building Material Company Limited resolved and announced that due to work adjustment, with effect from 1 December 2022, Mr. Chang Zhangli ("Mr. Chang") ceased to be the president of the Company and will be re-designated from an executive Director as a non-executive Director for a term starting from 1 December 2022 and consistent with that of the current session of the Board and he is eligible for re-election for his directorship. Mr. Chang has confirmed that he has no disagreement with the Board and the Company and there is no other matter in relation to the change of the president of the Company and the re-designation of Director that needs to be brought to the attention of the Shareholders. In addition, according to the nomination of the chairman of the Board, the Board also resolved and appointed Mr. Wei Rushan ("Mr. Wei") as the president of the Company for a term starting from 1 December 2022 and consistent with that of the current session of the Board.

Mr. Chang Zhangli, born in December 1970, is a non-executive director of the Company. Mr. Chang has extensive business and management experience in building materials industry, has participated in all major matters relating to the global offering and listing of the Company's shares on the Stock Exchange, issuance of new shares, capital operation, business restructuring and corporate governance of the Company. Mr. Chang has served as a director of Sinoma Science & Technology Co.

Ltd. since January 2022, as the chairman of the board of directors of Xinjiang Tianshan Cement Co. Ltd. since December 2021, as the chairman of the board of directors of China Jushi Co. Ltd. () ("China Jushi") since October 2021, as a member of the investment committee of CNBM (Anhui) New Materials Industry Investment Fund Partnership (Limited Partnership) and a director of the CNBM (Anhui) New Materials Fund Management Company Limited since October 2021, as the president and executive director of the Company from August 2021 to November 2022, as the deputy general manager of China National Building Material Group Co.

Ltd. (the "Parent") from June 2018 to July 2022, as a non-executive director of the Company from June 2018 to August 2021, as a director of Jushi Group Company Limited since May 2016, as the chairman of the board of directors of Southwest Cement Company Limited ("Southwest Cement") from April 2016 to January 2022, as a director of Southwest Cement from December 2011 to January 2022, as a vice chairman of the board of directors of Southwest Cement from December 2011 to March 2016, as an executive director of the Company from November 2011 to June 2018, and as a director of Beijing New Building Material (Group) Co. Ltd. ("BNBMG") from July 2008 to April 2019. He has served as a vice president of the Company from August 2006 to June 2018, a director of China Jushi since July 2005, and the secretary to the board of directors of the Company from March 2005 to June 2018.

From June 2000 to March 2005, Mr. Chang successively served as the secretary to the board and the deputy general manager of BNBM. Mr. Chang received a master of business administration degree from Tsinghua University in July 2005, and he is a senior engineer. Currently, Mr. Chang concurrently serves as a vice president of China Association for Public Companies, a vice president of Beijing Association for Public Companies and an executive president of the China Cement Association.

Mr. Chang was awarded the first prize of National Corporate Management Modernization and Innovation Achievements. Mr. Wei Rushan, born in December 1974, is the president of the Company. Mr. Wei has accumulated extensive experience in corporate investment and development.

Mr. Wei has been the president of the Company since December 2022, a supervisor of the Company ("Supervisor") representing the Shareholders from November 2021 to November 2022, a deputy general manager of the Parent since March 2021, the general manager of the strategic development department of the Parent from February 2020 to November 2021, an assistant to the general manager of the Parent from April 2019 to March 2021, the general manager of the investment and development department of the Parent from June 2016 to February 2020, a deputy general manager of the investment and development department of the Parent from March 2010 to June 2016 and an assistant to the general manager of the investment and development department of the Parent from July 2006 to March 2010. Mr. Wei obtained a doctoral degree in political economy from the School of Economics of Renmin University of China in June 2007 and is a senior economist. Mr. Wei concurrently serves as the chairman of China Building Materials Engineering Association.