CStone Pharmaceuticals — Board/Management Information 2021

Aug 20, 2021

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兗州煤業股份有限公司

YANZHOU COAL MINING COMPANY LIMITED

(A joint stock limited company incorporated in the People’s Republic of China with limited liability) (Stock Code: 1171)

(1) ELECTION OF CHAIRMAN OF THE BOARD AND CHANGE OF COMPOSITION OF BOARD COMMITTEES; (2) RESIGNATION OF DIRECTORS; AND (3) RESIGNATION OF SUPERVISOR

I. ELECTION OF CHAIRMAN OF THE BOARD AND CHANGE OF COMPOSITION OF BOARD COMMITTEES

The fourteenth meeting of the eighth session of the board of directors (the " Board ") of Yanzhou Coal Mining Company Limited (the " Company ") was held on 20 August 2021. Mr. Li Wei has been elected as the chairman of the Board and a member of the nomination committee of the eighth session of the Board. Mr. Li Wei and Mr. Xiao Yaomeng have been elected as members of the strategy and development committee of the eighth session of the Board, and Mr. Li Wei serves as the chairman. Mr. Xiao Yaomeng has been elected as a member of the sustainable development committee of the eighth session of the Board, and also serves as the chairman. Mr. Liu Jian ceases to act as a member and the chairman of the sustainable development committee of the eighth session of the Board on the same date.

II. RESIGNATION OF DIRECTORS

The Board received the resignation reports from Mr. Wu Xiangqian and Mr. He Jing on 20 August 2021. Due to work arrangements, each of Mr. Wu Xiangqian and Mr. He Jing resigned as the director of the Company with effect from the date when the resignation report was delivered to the Board. Each of Mr. Wu Xiangqian and Mr. He Jing confirms that he has no disagreement with the Board and there is no matter relating to his resignation that needs to be brought to the attention of the shareholders of the Company and the Hong Kong Stock Exchange Limited (the " Stock Exchange "). The Board extended its sincere gratitude to Mr. Wu Xiangqian and Mr. He Jing for their contributions to the Company during their respective term of service.

III. RESIGNATION OF SUPERVISOR

The supervisory committee of the Company (the " Supervisory Committee ") received the resignation report from Mr. Gu Shisheng on 20 August 2021. Due to work arrangements, Mr. Gu Shisheng resigned as a supervisor of the Company and the chairman of the Supervisory Committee with effect from the date when the resignation report was delivered to the Supervisory Committee. Mr. Gu Shisheng confirms that he has no disagreement with

the Board or the Supervisory Committee, and there is no matter relating to his resignation that needs to be brought to the attention of the shareholders of the Company and the Stock Exchange. The Board extended its sincere gratitude to Mr. Gu Shisheng for his contribution to the Company during his term of service.

By Order of the Board Yanzhou Coal Mining Company Limited Chairman of the Board Li Wei

Zoucheng, Shandong Province, the PRC 20 August 2021

As at the date of this announcement, the directors of the Company are Mr. Li Wei, Mr. Liu Jian, Mr. Xiao Yaomeng, Mr. Zhu Qingrui, Mr. Zhao Qingchun, Mr. Wang Ruolin and Mr. Huang Xiaolong, and the independent non-executive directors of the Company are Mr. Tian Hui, Mr. Zhu Limin, Mr. Cai Chang and Mr. Poon Chiu Kwok.