The board of West China Cement Limited announced that, with effect from 2 February 2023 Dr. Ma Weiping has resigned as the executive Director with effect from 2 February 2023 in order to devote more time to his other personal endeavours. Mr. Cao Jianshun has been appointed as an executive Director with effect from 2 February 2023. Mr. Cao, aged 50, graduated with a bachelor's degree in economics management from Party School of Shaanxi Provincial Committee of the C.P.C and a master's degree in business administration from Northwest University in China.

Mr. Cao has extensive management and technical experience in the building materials industry in China. He joined Yaobai Special Cement Group Co. Ltd., a wholly-owned subsidiary of the Company, in March 1994 and has held various key positions successively, including (i) director of Cement Machinery Factory of Yaobai Group from January 1997 to August 2005; (ii) director of No.

1 Cement Factory of Pucheng Yaobai Special Cement Co. Ltd. from August 2005 to June 2008; (iii) manager of Ankang Yaobai Cement Co. Ltd. from June 2008 to December 2012; and (iv) general manager in the Ankang Region of Yaobai Group from January 2013 to December 2015.

Besides, Mr. Cao served as general manager of Chzhungtsai Mohir Cement LLC from January 2016 to December 2018 and vice president of International Cement Investment Management Company from January 2019 to January 2023. He has been the chairman and president of Yaobai Group since January 2023. With extensive experience in the building materials industry, Mr. Cao won the 'Shaanxi Provincial Building Materials Industry Advanced Individual' award.

Mr. Wang Fayin has been appointed as an executive Director with effect from 2 February 2023. Mr. Wang, aged 52, obtained an associate diploma in electric application technology from Luoyang Institute of Science and Technology. Mr. Wang has extensive experience in production technology.

He joined the Group in May 1996 and has held various key positions successively, including (i) director of mechanical and electrical workshop at Shaanxi Province Pucheng County Hanjing Cement Industrial Company from May 1996 to August 1999; (ii) supply manager and deputy director of production technology department of Yaobai Group from August 1999 to December 2003; (iii) deputy chief engineer and director of equipment department at Pucheng Yaobai from January 2004 to December 2004; (iv) deputy manager of Yaobai Group from January 2005 to December 2006; (v) deputy manager and project manager of Xi'an Lantian Yaobai Cement Co. Ltd. () from January 2007 to November 2008; (vi) project manager and manager of Hanzhong Yaobai Cement Co. Ltd. from November 2008 to September 2010; (vii) production director of Yaobai Group from October 2010 to July 2012; (viii) manager in the Xi'an Region of Yaobai Group from July 2012 to December 2012; (ix) general manager in the Fuping Region of Yaobai Group from January 2013 to July 2016; and (x) general manager of production technology department and vice president of Yaobai Group from July 2016 to December 2017 and from January 2018 to March 2021, respectively.

He has been the president of West International Holding Limited since April 2021. With extensive experience in the building materials industry, Mr. Wang won the ``National Building Materials Industry Role Model'' award. Mr. Chu Yufeng has been appointed as an executive Director with effect from 2 February 2023.

Mr. Chu, aged 45, graduated with a bachelor's degree in international accounting from Xi'an JiaoTong University in June 1999 and a master's degree in business administration from an international business program jointly organised by Maastricht School of Management of Netherlands and Independent University of Bangladesh in June 2005. Mr. Chu has extensive experience in financial management. He joined the Group in July 2012 and has held various key positions successively, including (i) deputy director of finance department of Yaobai Group from July 2012 to July 2013; (ii) supervisor of internal audit department of Yaobai Group from August 2013 to July 2014; (iii) director of finance department of Yaobai Group from August 2014 to December 2016; (iv) general manager of finance department of Yaobai Group from January 2017 to December 2019; (v) chairman of Xi'an Guangxin Microfinance Co.

Ltd. from January 2019 to December 2021; and (vi) vice president of Yaobai Group from January 2020 to December 2021. He has been the chief financial officer of the Company and the vice president of West Holding since January 2020 and January 2022, respectively. Prior to joining the Group, Mr. Chu served as accountant of Shaanxi Import and Export Corporation from October 1999 to July 2002; chief financial officer of Sino-Bangladesh Ceramic Industry Co.

Ltd. from November 2002 to October 2007; finance manager of Kubai Xi'an Fusegear Limited Company from November 2007 to August 2008; finance manager of Xi'an Branch of IBM China Investment Co. Ltd. from September 2008 to October 2010; and deputy finance director of Fuping Branch of Italcementi Group from October 2010 to June 2012. Mr. Chu is a member of the Association of Chartered Certified Accountants.