BBMG : PROPOSED ELECTION OF DIRECTORS AND SUPERVISORS FOR THE FORTHCOMING SESSION

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北京金隅集團股份有限公司

BBMG Corporation*

(a joint stock company incorporated in the People's Republic of China with limited liability)

(Stock Code: 2009)

PROPOSED ELECTION OF DIRECTORS AND SUPERVISORS FOR THE

FORTHCOMING SESSION

PROPOSED ELECTION OF DIRECTORS AND SUPERVISORS FOR THE FORTHCOMING SESSION

The board of directors (the "Board") of BBMG Corporation* (the "Company") announces that the term of the fifth session of the Board has expired, a general election should be held in accordance with the "Articles of Association" of the Company. Certain directors ("Directors") and supervisors ("Supervisors") of the Company will be elected or re-elected by the shareholders of the Company ("Shareholders") to constitute the sixth session of the Board and the fifth session of the supervisory board of the Company (the "Supervisory Board") respectively at the 2020 annual general meeting to be held on Wednesday, 12 May 2021 (the "2020 Annual General Meeting"). The term of the sixth session of the Board and that of the Supervisory Board will be for the period commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023.

DIRECTORS

The Directors offered for re-election at the 2020 Annual General Meeting are Mr. Zeng Jin, Mr. Jiang Yingwu, Mr. Wu Dong and Mr. Zheng Baojin.

The Directors being nominated for election at the 2020 Annual General Meeting are Mr. Zeng Jin, Mr. Jiang Yingwu, Mr. Wu Dong and Mr. Zheng Baojin and the non-executive Director being nominated for election at the Meeting is Mr. Gu Tiemin.

Mr. Xue Chunlei (non-executive Director of the Company) has confirmed that he will not offer himself for re-election at the 2020 Annual General Meeting upon the expiration of his term of office. Mr. Xue Chunlei had confirmed that he had no disagreement with the Board and there was no matter which has to be brought to the attention of the Shareholders or The Stock Exchange of Hong Kong Limited (the "Stock Exchange") in connection with his retirement from the Board. The Company would like to take this opportunity to express its sincere appreciation to Mr. Xue Chunlei for his significant contribution to the Company in the past.

* for identification purpose only

The independent non-executive Directors of the Company, Mr. Wang Guangjin, Mr. Tian Lihui, Mr. Tang Jun and Mr. Ngai Wai Fung, have confirmed that they will not offer himself for re-election at the 2020 Annual General Meeting upon the expiration of their term of office. Mr. Wang Guangjin, Mr. Tian Lihui, Mr. Tang Jun and Mr. Ngai Wai Fung had confirmed that they had no disagreement with the Board and there was no matter which has to be brought to the attention of the Shareholders or the Stock Exchange in connection with their retirement from the Board. The Company would like to take this opportunity to express its sincere appreciation to Mr. Wang Guangjin, Mr. Tian Lihui, Mr. Tang Jun and Mr. Ngai Wai Fung for their significant contribution to the Company in the past.

The remuneration and nomination committee of the Board has nominated Mr. Zeng Jin, Mr. Jiang Yingwu, Mr. Wu Dong, Mr. Zheng Baojin and Mr. Gu Tiemin as Directors, and Mr. Yu Fei, Mr. Liu Taigang, Ms. Li Xiaohui, Mr. Hong Yongmiao and Mr. Tam Kin Fong as independent non-executive Directors. The Board has approved the above nominations.

The appointment of the above Directors (save for Mr. Wang Zhaojia) is subject to the approval of the Shareholders at the 2020 Annual General Meeting. The Board proposes ordinary resolutions to be passed by the Shareholders to approve the appointment of the above Directors at the 2020 Annual General Meeting.

Biography of Mr. Zeng Jin

Mr. Zeng Jin, born in February 1970 and aged 51, has been the executive Director and the chairman of the Board of Directors (the "Board") of the Company since 21 August 2020. He has been serving as the party secretary of the Company since July 2020. Mr. Zeng Jin had also served as the executive director of the Company from 15 August 2017 to 26 December 2018 and had served as the general manager of the Company from 5 August 2016 to 26 December 2018. Mr. Zeng Jin has been serving as the party secretary of the Company since July 2020. He joined Beijing North Star Industrial Group Company Limited in September 1992 and served as the deputy party secretary of Beijing North Star Industrial Group Company Limited and Beijing North Star Company Limited (the shares of which are listed on the Main Board of The Stock Exchange of Hong Kong Limited and Shanghai Stock Exchange) (stock codes: 00588.HK and 601588.SH, respectively). He had been the executive director of Beijing North Star Company Limited between March 2012 and August 2016 and had been the general manager of Beijing North Star Company Limited from December 2014 to June 2016. From December 2014 to June 2016, Mr. Zeng Jin served as the director of Beijing North Star Industrial Group Company Limited (the parent company of Beijing North Star Company Limited). He has been the deputy party secretary and director of BBMG Corporation during the period from June 2016 to 26 December 2018. During the period from November 2018 to June 2019, Zeng Jin has been the Deputy Secretary General of the Beijing Municipal Government. During the period from June 2019 to July 2020, Mr. Zeng Jin served as the deputy secretary of District Committee of Haidian District of Beijing Municipality of the CPC and the secretary of the Party Group of Haidian District People's Government of Beijing Municipality, and successively served as the Deputy Head, Acting Head and Head of Haidian District People's Government of Beijing Municipality during the relevant period, and was also the deputy secretary of the Zhongguancun Science City Working Committee of Beijing Municipal Committee of the CPC and the Director of the Zhongguancun Science City Management Committee from January 2020 to July 2020. Mr. Zeng Jin graduated from the Department of Civil Engineering of Southeast University in 1992 and received a master's degree in Business Administration from Tsinghua University in 1999 and later graduated from Renmin University of China with a doctoral degree in Management in 2010. Mr. Zeng Jin is a senior engineer and senior economist. Mr. Zeng Jin has extensive experience in real estate development and management.

Mr. Zeng Jin will enter into a service contract with the Company for serving as a Director with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Zeng Jin'sremuneration will be determined and approved at the annual general meeting of the Company based on the corporate policy on directors' remunerations of the Company as well as his workload and responsibilities.

Save as disclosed above, Mr. Zeng Jin (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Zeng Jin that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Jiang Yingwu

Mr. Jiang Yingwu, born in October 1966 and aged 54, has served as the president and the deputy secretary of the communist party committee of the Company since December 2020, and has serviced as the executive Director of the Company since 19 January 2021. Mr. Jiang Yingwu had been the vice president of the Company from October 2016 to December 2020 and a standing member of the party committee of the Company from June 2017 to December 2020. Mr. Jiang Yingwu, who holds the title of senior economist and senior engineer, graduated with a bachelor's degree in inorganic materials science and silicate engineering from Shandong College of Building Materials Industry (山東建材工業學院) in August 1989.

He had been a section member and deputy section chief of the technology quality section of Beijing Yanshan Cement Plant (北京燕山水泥廠 ), cadre and vice manager of the technology department of the headquarters of Beijing City Building Material Group (北京市建材集團), vice manager of the technology department of BBMG Group Company Limited, the head of the general office of the Building Materials Industry Association (建材行業協會), and the head of the strategic development department, the manager of the policy research office and the head of the organization department of the party committee of the Company.

Mr. Jiang Yingwu will enter into a service contract with the Company for serving as a Director with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Jiang Yingwu 's remuneration will be determined and approved at the annual general meeting of the Company based on the corporate policy on directors' remuneration of the Company as well as his workload and responsibilities.

Save as disclosed above, Mr. Jiang Yingwu (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Jiang Yingwu that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule13.51(2)(h) to (v) of the Listing Rules.

Biography of Wu Dong

Mr. Wu Dong, born in August 1968 and aged 52, has been an executive Director and a deputy secretary of the communist party committee of the Company since 27 November 2015.He has been the deputy secretary of the communist party committee of both the Company and the BBMG Assets since July 2012. He was the assistant to the secretary of the communist party committee of the Company from July 2011 to July 2012. Before joining the Company, Mr. Wu Dong had served in various positions in different entities, including, among others, Beijing Coal Corporation and the Organization Department of Beijing Municipal Communist Party Committee. He obtained a Master of Public Administration degree from Guanghua School of Management, Peking University in August 2005. Wu Dong is a senior policy analyst (高級政工 師) and an economist.

Mr. Wu Dong will enter into a service contract with the Company for serving as a Director with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Wu Dong's remuneration will be determined and approved at the annual general meeting of the Company based on the corporate policy on directors' remuneration of the Company as well as his workload and responsibilities.

Save as disclosed above, Mr. Wu Dong (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Wu Dong that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Zheng Baojin

Mr. Zheng Baojin, born in February 1966 and aged 55, has been appointed as an executive Director of the Company since 15 August 2017 and was appointed as the secretary of the Board on 25 January 2016. Mr. Zheng Baojin began working in July 1987 by joining Hebei Taihang Cement Co., Ltd., where he took up various positions until May 2011, including the director of the securities department, the director of the board, the deputy general manager and the secretary of the board. Mr. Zheng Baojin served as the head of the office of the Board of the Company from October 2009 to January 2016. He had been the director of Jidong Cement between October 2016 and September 2017. Mr. Zheng Baojin graduated from the Tangshan Engineering Technology Institute in July 1987 with industry management engineering profession. He holds a college degree and is a senior economist.

Mr. Zheng Baojin will enter into a service contract with the Company for serving as a Director with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Zheng Baojin's remuneration will be determined and approved at the annual general meeting of the Company based on the corporate policy on directors' remuneration of the Company as well as his workload and responsibilities.

Save as disclosed above, Mr. Zheng Baojin (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in theshares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Zheng Baojijn that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Gu Tiemin

Mr. Gu Tiemin, born in May 1968 and aged 52, graduated from the Law Department of the College of Humanities and Law of Beijing Union University (北京聯合大學) in July 1991, majoring in law. In the same year, he worked for the Legal Office of Beijing Municipal Government (北京市政府法制辦公室).

Mr. Gu Tiemin received his Master of Law degree from the Law School of Renmin University of China (中國人民大學) in January 2001 and is a third level lawyer. He is currently an expatriate full-time director of Beijing State-owned Capital Operation and Management Center (北京國有資本經營管理中心).

Mr. Gu Tiemin served as a section member, deputy chief section member, chief section member and deputy director of the Supervision and Guidance Division of the Legal Office of Beijing Municipal Government (北京市政府法制辦公室), researcher and deputy director of the Beijing Xuanwu District Government

Legal Office (北京市宣武區政府法制辦) (director-general-level), deputy director (director-general-level)

and director of the Regulations Division of the Beijing Municipal Commission of Foreign Trade and Economic Cooperation (北京市外經貿委法規處), director of the Legal and Fair Trade Division of the

Beijing Municipal Commerce Bureau (北京市商務局法制與公平貿易處), director of the Circulation Order Division of the Beijing Municipal Commission of Commerce (北京市商務委員會流通秩序處),

deputy Director of Beijing Technical Exchange Training Center (Beijing International Technical Cooperation Center) (北京技術交流培訓中心(北京國際技術合作中心)) and deputy General Manager of

Beijing Capital Agribusiness Group Co., Ltd. (北京首都農業集團有限公司). Mr. Gu Tiemin served as a deputy secretary and deputy director of the Party Committee of Beijing Technology Exchange and Training Center (Beijing International Technology Cooperation Center) (北京技術交流培訓中心 (北京國際技術 合作中心)) from August 2015 to June 2019. Mr. Gu Tiemin served as a secretary of the Party Committee and chairman of the Board of Directors of Beijing International Technology Cooperation Center Limited (北京國際技術合作中心有限公司) from June 2019 to March 2021 (retaining his status as a cadre under municipal Party committee). Mr. Gu Tiemin has served as an expatriate full-time director of Beijing State-owned Capital Operation and Management Center (北京國有資本經營管理中心) since March 2021

(retaining his status as a cadre under municipal Party committee).

Mr. Gu Tiemin will enter into a service contract with the Company for serving as a Director with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, as Mr. Gu Tiemin is a non-executive Director, he will not receive any remuneration separately.

Save as disclosed above, Mr. Gu Tiemin (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Gu Tiemin that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Wang Zhaojia

Mr. Wang Zhaojia, born in January 1962 and aged 59, has been the non-executive Director of the Company since 21 August 2020 and has been the deputy general manager of the Company since October 2012. From September 1984 to October 2009, Mr. Wang Zhaojia served successively as vice president, executive vice president, deputy secretary to the party committee and president of Beijing Building Materials Research Institute (北京市建築材料科學研究院); deputy director and director of the technology center of Beijing

Building Materials Group Co., Ltd.(北京建築材料集團有限責任公司); deputy general manager of Beijing CEM-FIL Glass Fiber Co., Ltd. (北京賽姆菲爾玻璃纖維有限公司); deputy general manager and president of Beijing Saint-Gobain Fiberglass Co., Ltd. (北京聖戈班玻璃纖維有限公司); president of Owens Corning Compound Materials (Beijing) Co., Ltd. (歐文斯科寧 ( 北京) 複合材料有限公司 ); president of Beijing Namei Technology Development Co., Ltd. (北京市納美科技發展有限公司); deputy general engineer of BBMG Corporation and director of the technology center of the Company. Mr. Wang Zhaojia served as the vice president of the Company from October 2009 to July 2012. Meanwhile, he has served as the secretary to the party committee and executive director of Beijing Building Materials Academy Co., Ltd. (北京建築材料科學研究總院有限公司) since August 2018. Wang Zhaojia graduated from Wuhan University majoring in political economy in 2011. He is a doctorate degree graduate and a professorate senior engineer.

Mr. Wang Zhaojia will enter into a service contract with the Company for serving as a Director with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, as Mr. Wang Zhaojia is a non-executive Director and a Director elected democratically by the staff and workers of the Company, he will not receive any remuneration separately.

Save as disclosed above, Mr. Wang Zhaojia (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Wang Zhaojia that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Yu Fei

Mr. Yu Fei, born in March 1977, aged 44, graduated from the Graduate School of the Chinese Academy of Social Sciences (中國社會科學院) in July 2004 with a doctorate degree in civil and commercial law. He is currently a dean, professor and doctoral tutor of Civil, Commercial and Economic Law School of China University of Political Science and Law (中國政法大學) and a practising lawyer. Mr. Yu Fei took a temporary post in Zhongguancun Science and Technology Park Changping Park (deputy-director-general-level) and concurrently served as a council member of the China Law Society (中國法學會), vice president of Beijing Real Estate Law Research Association (北京市不動產法研究會), vice president of Beijing Debt Law Research Association (北京市債法學研究會), member of Tianjin Procuratorate Expert AdvisoryCommittee (天津市檢察院專家諮詢委員會), expert advisor of Beijing Xicheng District Court (北京市西 城區法院), etc. He is an Adjunct Professor at East China University of Political Science and Law (華東政 法大學), Zhengzhou University (鄭州大學) and the Henan Branch of the National Prosecutors College of

P.R.C (國家檢察官學院). Mr. Yu Fei was also elected to the "New Century Excellent Talent Support Plan", and awarded an award of "Beijing Youth May 4th Medal".

Mr. Yu Fei will enter into a service contract with the Company for serving as an independent non-executive Director with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Yu Fei 's remuneration will be RMB150,000 per year (to be approved in the 2020 Annual General Meeting) based on the corporate policy on directors' remuneration as well as his workload and responsibilities.

Save as disclosed above, Mr. Yu Fei (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Yu Fei that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Liu Taigang

Mr. Liu Taigang, born in July 1966, aged 54, graduated from the Law School of Renmin University of China (中國人民大學) in July 1996 with a doctor's degree, majoring in administrative law. He is currently a professor and doctoral tutor of public administration in the School of Public Administration of Renmin University of China, and a director of the Teaching and Research Section of Public Organization and Human Resources. Mr. Liu Taigang was a legal advisor of the Office of Tong Chi Kin Kwan Tsui Hang Legislative Councillor (唐志堅關翠杏立法議員辦事處) (seconded from the Macau Branch of Xinhua

News Agency (新華社)). Mr. Liu Taigang was also a member of the Beijing Party Committee of China National Democratic Construction Association ( 中國民主建國會), member of the Central Legal

Committee of the China National Democratic Construction Association, member of the sixth and seventh session of the Chinese People's Political Consultative Conference of Haidian District, Beijing and member of the 3rd batch of special inspectors of the State Ministry of Supervision (國家監察部).

Mr. Liu Taigang will enter into a service contract as an independent non-executive Director with the Company for a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year of 2023. Pursuant to the service contract, Mr. Liu Taigang 's remuneration will be RMB150,000 per year (to be approved in the 2020 Annual General Meeting) based on the corporate policy on directors' remuneration as well as his workload and responsibilities.

Save as disclosed above, Mr. Liu Taigang (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

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Save as disclosed above, there are no other matters concerning Mr. Liu Taigang that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Ms. Li Xiaohui

Ms. Li Xiaohui, born in December 1967, aged 53, was awarded the degree of doctor of economy in National Economic Management by the Central University of Finance and Economics (中央財經大學) in July 2001.

She is currently a professor and doctoral tutor of accounting of the School of Accountancy of Central University of Finance and Economics (中央財經大學) and is a PRC Certified Public Accountant.

Ms. Li Xiaohui worked for Canshi Certified Public Accountants (滄獅會計師事務所), the State-owned Assets Administration of the Hebei Provincial Department of Finance （河北省財政廳） and the Professional Standards Department of the Chinese Institute of Certified Public Accountants (中國註冊會 計師協會). Ms. Li Xiaohui has been a professor at the School of Accountancy of Central University of Finance and Economics (中央財經大學) since September 2003 and served as vice dean and Secretary of the Party General Branch of the School of Accountancy. Ms. Li Xiaohui has been an independent non-executive Director of Poly Culture Group Corporation Limited (保利文化集團股份有限公司) (listed on the Main Board of the Stock Exchange, stock code: 3636) since December 2010 and an independent non-executive director of Bank of Communications Co., Ltd. (listed on the Main Board of the Stock Exchange, stock code: 3328) since November 2020. Ms. Li Xiaohui served as an independent non-executive director of China U-Ton Future Space Industrial Group Holdings Ltd. (中國優通未來空間產業集團控股有限公 司) (listed on the Main Board of the Stock Exchange, stock code: 6168) from May 2012 to July 2020.

Ms. Li Xiaohui will enter into a service contract as an independent non-executive Director with the Company for a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year of 2023. Under the letter of appointment, Ms. Li Xiaohui 's remuneration will be RMB150,000 per year (to be approved in the 2020 Annual General Meeting) based on the corporate policy on directors' remuneration as well as his workload and responsibilities.

Save as disclosed above, Ms. Li Xiaohui (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Ms. Li Xiaohui that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Hong Yongmiao

Mr. Hong Yongmiao, born in February 1964, aged 57, obtained a doctor's degrees in Economics of University of California, San Diego in the United States in June 1993. Mr. Hong Yongmiao is an academician of the Academy of Sciences for the Developing World (發展中國家科學院) and fellow of the Econometric Society (世界計量經濟學學會). He is a distinguished research fellow at the Institute of Mathematics and Systems of the Chinese Academy of Sciences (中國科學院), a distinguished professor atthe School of Economics and Management of the University of Chinese Academy of Sciences and a Distinguished Research Fellow and executive director of the prediction science research center of the Chinese Academy of Sciences. Mr. Hong Yongmiao was formerly a professor in the Department of Economics and Department of Statistics of Cornell University (康奈爾大學), and a professor and dean of the Wang Yanan Institute for Studies in Economics of Xiamen University (廈門大學) He has served as an Independent Non-Executive Director of the China Everbright Bank Company Limited (中國光大銀行股 份有限公司) (SEHK stock code: 6818) since September 2019.

Mr. Hong Yongmiao will enter into a service contract with the Company for serving as an independent non-executive Director with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Hong Yongmiao's remuneration will be RMB150,000 per year (to be approved in the 2020 Annual General Meeting) based on the corporate policy on directors' remuneration as well as his workload and responsibilities.

Save as disclosed above, Mr. Hong Yongmiao (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Hong Yongmiao that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Tam Kin Fong

Mr. Tam Kin Fong, born in April 1971, aged 49, graduated from the City University of Hong Kong (香港 城市大學) in July 1994 with a Bachelor of Arts (Hons) degree in accounting. After graduation, Mr. Tam worked at the auditing department of PricewaterhouseCoopers, and also served as a financial controller of a subsidiary of NWS Holdings Limited (新創建集團有限公司). Mr. Tam Kin Fong is currently a certified public accountant of the Hong Kong Institute of Certified Public Accountants. Mr. Tam Kin Fong is currently a managing director of Dakin Capital Limited (德健融資有限公司), where he is responsible for the business of the licensed corporation carrying out Type 6 (advising on corporate finance) regulated activity under the Securities and Futures Ordinance. Before he joined Dakin Capital Limited, Mr. Tam Kin Fong held positions in various international and Hong Kong investment banks, including vice president of Daiwa Securities Co., Ltd. (大和證券有限公司), executive director and co-head of Hong Kong Merchants

Securities Co., Ltd. (香港招商證券有限公司) and head of investment banking department of Ping An of China Securities (Hong Kong) Company Limited (中國平安證券（香港）有限公司). He has more than 25 years of experience in corporate finance and accounting.

Mr. Tam Kin Fong will enter into a service contract as an independent non-executive Director with the Company for a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year of 2023. Pursuant to the service contract, Mr. Tam Kin Fong 's remuneration will be RMB150,000 per year (to be approved in the 2020 Annual General Meeting) based on the corporate policy on directors' remuneration as well as his workload and responsibilities.

Save as disclosed above, Mr. Tam Kin Fong (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group. `

Save as disclosed above, there are no other matters concerning Mr. Tam Kin Fong that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

SUPERVISORS

The Supervisors offered for re-election at the 2020 Annual General Meeting are Mr. Guo Yanming, Mr. Zhang Qicheng and Mr. Yu Kaijun.

The Supervisor being nominated for election at the 2020 Annual General Meeting are Mr. Guo Yanming, Mr. Zhang Qicheng and Gao Junhua and Mr. Yu Kaijun.

Mr. Wang Guijiang, Mr. Gao Jinliang and Mr. Qiu Peng fulfilled the relevant requirements to be elected democratically by the staff and workers of the Company as the Supervisors and are therefore not subject to election at the 2020 Annual General Meeting.

Mr. Zhang Guoliang and Ms. Jiang Yu, the Supervisors, have confirmed that they will not offer themselves for re-election at the 2020 Annual General Meeting upon the expiration of their terms of office as Supervisors. Mr. Zhang Guoliang and Ms. Jiang Yu have confirmed that they have no disagreement with the Board and/or the Supervisory Board of the Company and there is no other matter in relation to his/her retirement from the Supervisory Board that needs to be brought to the attention of the Shareholders or the Stock Exchange. The Company would like to take this opportunity to express its sincere appreciation to Mr. Zhang Guoliang and Ms. Jiang Yu for their significant contribution to the Company in the past.

The appointment of the above Supervisors (save for Mr. Wang Guijiang, Mr. Gao Jinliang and Mr. Qiu Peng) is subject to the approval of the Shareholders at the 2020 Annual General Meeting. The Board proposes ordinary resolutions to be passed by the Shareholders to approve the appointment of the above Supervisors at the 2020 Annual General Meeting.

Biography of Mr. Guo Yanming

Mr. Guo Yanming, born in January 1962 and aged 59, was appointed as a supervisor and the chairman of the Supervisory Board of the Company since 20 August 2020. He has served as a non-executive Director of the Company from 27 June 2017 to 20 August 2020. Mr. Guo Yanming has been a member of the communist party standing committee and the chairman of the labor union of the Company since August 2016. Currently, Mr. Guo Yanming is a supervisor of China National Building Material Company Limited (listed on the Main Board of the Stock Exchange; stock code: 03323). Mr. Guo Yanming had served as the vice general manager of the Company from 26 October 2012 to April 2017, during which he was primarily responsible for the overall operation and development of the modern building materials segment and works in relation to production safety. Mr. Guo Yanming had served as the Company's general economist from March 2006 to April 2009. Mr. Guo Yanming has accumulated more than 26 years of experience in corporate management and human resources in the building materials industry. Since June 2003, Mr. Guo Yanming has been the general manager assistant for the BBMG Corporation. Mr. Guo Yanming graduated in August 1985 from Beijing Economics College (currently known as Capital University of Economics and Business), where he majored in industrial enterprise administration. Mr. Guo Yanming is a senior economist.

Mr. Guo Yanming will enter into a service contract with the Company for serving as a Supervisor with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Guo Yanming, will not receive remuneration for serving as a Supervisor.

Save as disclosed above, Mr. Guo Yanming (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Guo Yanming that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Zhang Qicheng

Mr. Zhang Qicheng, born in June 1966 and aged 54. Mr. Zhang Qicheng was appointed as the supervisor of the Supervisory Board of the Company since 20 August 2020. He has also served as the Supervisor of the Company between 27 June 2017 and 16 October 2018. Mr. Zhang Qicheng has been the head of the audit department of the Company since November 2015. Mr. Zhang Qicheng has served as the deputy chief accountant and director of the finance department of Beijing Building Materials Group Corporation Real Estate Development Co., Ltd. (北京建築材料集團總公司房地產開發有限公司) from February 2001 to

March 2002. He joined Beijing GEM Real Estate Development Co., Ltd. (北京嘉業房地產開發公司) in

March 2002 and took up various positions until November 2015, including chief financial officer, chief accountant, secretary to the party committee, secretary to the disciplinary committee and chairman of the labor union. He has been severing as the chairman of the Supervisory Board of BBMG Jidong Cement (Tangshan) Co., Ltd. since May 2018, and the director of the Office of Inspection of the party committee since December 2019. Mr. Zhang Qicheng graduated from North China University of Technology majoring in economics and management in July 1987 and obtained a master's degree in management from Central China Normal University in June 2010.

Mr. Zhang Qicheng will enter into a service contract with the Company for serving as a Supervisor with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Zhang Qicheng will not receive remuneration for serving as a Supervisor.

Save as disclosed above, Mr. Zhang Qicheng (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Zhang Qicheng that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Gao Junhua

Mr. Gao Junhua, born in January 1974, aged 47, holds a bachelor's degree in engineering and is an engineer. Mr. Gao Junhua graduated from Wuhan Industrial University (武漢工業大學) in July 1996, majoring in automation. He is currently a deputy secretary of the Disciplinary Committee of the Company. Mr. Gao Junhua joined Beijing General Factory of Building Materials Products (北京市建材製品總廠 ) in July 1996 and served successively as a technician, deputy director, branch party secretary, chief deputy director and workshop director of the keel workshop of Beijing General Factory of Building Material Products, a deputy office director, director, head of organization department, deputy secretary of the communist party committee, secretary to the discipline inspection Committee and chairman of the labor union of Beijing Star Building Material Company (北京星牌建材公司), a secretary to the discipline inspection committee and chairman of the labor union of Beijing BBMG Energy-saving Insulation Company (北京金隅節能保 溫公司). Mr. Gao Junhua served as a secretary to the discipline inspection committee and a chairman to the labor union of Beijing BBMG Energy-Saving Insulation (Jinhaiyan Glass Wool) Company Limited (北 京金隅節能保溫（金海燕玻璃棉）有限公司) from May 2016 to August 2018; he served as a deputy director of the discipline inspection and supervision office and a director of the discipline inspection and supervision and investigation Office of the Company from August 2018 to November 2020; Mr. Gao Junhua has served as a deputy secretary to the discipline inspection committee of the Company since November 2020.

Mr. Gao Junhua will enter into a service contract with the Company for serving as a Supervisor with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Gao Junhua will not receive remuneration for serving as a Supervisor.

Save as disclosed above, Mr. Gao Junhua (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Gao Junhua that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Yu Kaijun

Mr. Yu Kaijun, born in April 1963 and aged 57, has been a supervisor of the Company since 27 November 2015. Mr. Yu Kaijun was the non-executive Director of the Company from 7 August 2014 to 27 November 2015. Mr. Yu Kaijun graduated from the Hong Kong Polytechnic University with a major in accounting. Mr. Yu Kaijun holds a master degree in accounting and is a senior accountant. Mr. Yu Kaijun has served as the secretary to the board and vice president of China National Building Material Company Limited (中 國建材股份有限公司) since June 2018 and May 2018, respectively. Mr. Yu Kaijun served as the chief financial officer of China National Materials Company Limited from July 2010 to May 2018. Mr. Yu Kaijun worked at the Finance Bureau of Pingliang District of Gansu Province from July 1982 to November 1990. Mr. Yu Kaijun served as chief financial officer and deputy general manager of Shenzhen Languang Science & Technology Co., Ltd. (and its predecessor, Shenzhen Languang Electronic Industrial Corporation) from November 1990 to October 2001. Mr. Yu Kaijun served as chief financial officer of Sinoma International Engineering Co. Ltd. (listed on the Shanghai Stock Exchange; stock code: 600970) from December 2001 to January 2011. Mr. Yu Kaijun served as a supervisor of Ningxia Building MaterialsGroup Co., Ltd. (listed on the Shanghai Stock Exchange; stock code: 600449) and Xinjiang Tianshan Cement Co., Ltd. (listed on the Shenzhen Stock Exchange; stock code: 000877) from December 2011 to April 2015.

Mr. Yu Kaijun will enter into a service contract with the Company for serving as a Supervisor with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Yu Kaijun will not receive remuneration for serving as a Supervisor.

Save as disclosed above, Mr. Yu Kaijun (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Yu Kaijun that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Wang Guijiang

Mr. Wang Guijiang, born in February 1980, aged 41, holds a bachelor's degree in law and is a political engineer. Mr. Wang Guijiang graduated from Hebei University of Architecture (河北建築科技學院) in

June 2003, majoring in clerical and office automation. He served as an office secretary of Hebei Taihang Cement Co., Ltd. (河北太行水泥股份有限公司). He graduated from Hebei University (河北大學) in June 2006, majoring in administrative management. He is currently an office director and a director of the Party Committee Office of the Company. Mr. Wang Guijiang served successively as an office secretary of Hebei Taihang Cement Co., Ltd. (河北太行水泥股份有限公司), assistant to office director and deputy director of Handan branch of Hebei Taihang Cement Co., Ltd., office director, director of the Party Group Work Department, secretary of the Youth League Committee, manager assistant, director of the discipline inspection and supervision office, chairman of the labor union and deputy secretary of the communist party committee of Handan Shexian BBMG Cement Co., Ltd.(邯鄲涉縣金隅水泥有限公司). Mr. Wang

Guijiang served as a deputy head of the organization division of the Party Committee of the Company from March 2016 to October 2020; and has served as an office director and director of the Party Committee Office since October 2020.

Mr. Wang Guijiang will enter into a service contract with the Company for serving as a Supervisor with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Wang Guijiang will not receive remuneration for serving as a Supervisor.

Save as disclosed above, Mr. Wang Guijiang (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Wang Guijiang that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Gao Jinliang

Mr. Gao Jinliang, born in March 1977 and aged 44. Mr. Gao Jinliang was appointed as the supervisor of the Company since 26 November 2020. Mr. Gao Jinliang has been the vice chairman of the labor union of the Company since October 2020 and has been the head of the Labour Union Affairs Department of the Company since December 2020. He worked in Beijing Woodworking Factory since August 2001. Mr. Gao Jinliang served successively as the business manager of sales department of decoration materials branch of Beijing Woodworking Factory and an officer of Youth League Committee, an officer of CPC Organization Department and the assistant minister of BBMG Corporation. Mr. Gao Jinliang served as the vice chairman of the labor union of the Company from February 2008 to July 2018, the deputy party secretary of Tangshan Branch of BBMG Jidong Cement (Tangshan) Co., Ltd. from July 2018 to October 2020, and the secretary of the discipline inspection committee and chairman of the labor union of Tangshan Branch of BBMG Jidong Cement (Tangshan) Co., Ltd. from July 2018 to October 2019, and a supervisor of Jidong Cement Fengrun Co., Ltd. from December 2018 to October 2019. Mr. Gao Jinliang obtained a master's degree in business administration from University of Chinese Academy of Sciences in July 2010. Mr. Gao Jinliang is a senior political engineer.

Mr. Gao Jinliang will enter into a service contract with the Company for serving as a Supervisor with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Gao Jinliang will not receive remuneration for serving as a Supervisor.

Save as disclosed above, Mr. Gao Jinliang (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Gao Jinliang that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

Biography of Mr. Qiu Peng

Mr. Qiu Peng, born in November 1984, aged 36, holds a master's degree in management and graduated from the Business School of Central University of Finance and Economics (中央財經大學) in July 2010, majoring in technology economics and management and worked for the Company. Mr. Qiu Peng is currently a head of the asset management department of the Company, supervisor of Tianjin Building Materials Group (Holdings) Co., Ltd. (天津市建築材料集團（控股）有限公司), chairman of the supervisory committee of BBMG Finance Co., Ltd. (北京金隅財務有限公司) and supervisor of BBMG Finance Lease Co., Ltd. ( 金隅融資租賃有限公司). Mr. Qiu Peng served as an officer of the Board Office, deputy director of the Strategic Development Department, deputy director of the Operation and Information Management Department and deputy director of the Operation and Information Management Department of the Company.

Mr. Qiu Peng will enter into a service contract with the Company for serving as a Supervisor with a term commencing from the conclusion of the 2020 Annual General Meeting and expiring on the date of the annual general meeting of the Company for the year 2023. Pursuant to the service contract, Mr. Qiu Peng will not receive remuneration for serving as a Supervisor.

Save as disclosed above, Mr. Qiu Peng (i) did not hold any other directorships in other listed companies in the past three years; (ii) is not related to any directors, supervisors, senior management, or substantial or controlling shareholders of the Company; (iii) does not have or is not deemed to have, any interests in the shares in the Company within the meaning of Part XV of the Securities and Futures Ordinance; and (iv) does not hold any other position in the Company or other members within the Group.

Save as disclosed above, there are no other matters concerning Mr. Qiu Peng that need to be brought to the attention of the Shareholders nor any information to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Listing Rules.

A copy of the notice of 2020 Annual General Meeting containing, among others, the proposed election or re-election of Directors and Supervisors at the 2020 Annual General Meeting together with a form of proxy will be despatched to the shareholders as soon as practicable.

By order of the Board

BBMG Corporation*

Zeng Jin Chairman

Beijing, the PRC, 25 March 2021

As at the date of this announcement, the executive directors of the Company are Zeng Jin, Jiang Yingwu, Wu Dong and Zheng Baojin; the non-executive directors of the Company are Wang Zhaojia and Xue Chunlei; and the independent non-executive directors of the Company are Wang Guangjin, Tian Lihui, Tang Jun and Ngai Wai Fung.