CStone Pharmaceuticals — Board/Management Information 2021

Dec 13, 2021

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

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兗礦能源集團股份有限公司

YANKUANG ENERGY GROUP COMPANY LIMITED

(formerly known as 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)

CHANGE OF EMPLOYEE REPRESENTATIVE SUPERVISOR

Change of Employee Representative Supervisor

The board (the " Board ") of directors of Yankuang Energy Group Company Limited (the " Company ") announced that Mr. Zheng Kai will cease to act as supervisor of the Company (the " Supervisor ") with effect from 30 November 2021 due to job relocation.

Mr. Zheng Kai confirms that he has no disagreement with the Board and the supervisory committee of the Company (the " Supervisory Committee ") and no matter relating to his retirement is required to be brought to the attention of the Stock Exchange and the shareholders of the Company Shareholders. The Board and the Supervisory Committee would like to take this opportunity to express their sincere gratitude to Mr. Zheng Kai for his contribution to the Company during his term of service.

The Board further announced that on 30 November 2021, the Company held the joint meeting of heads of delegation of the employee representative meeting and elected Mr. Deng Hui as the employee representative Supervisor of the eighth session of the Supervisory Committee from 30 November 2021 to the end of the eighth session of the Supervisory Committee. The biographical details of Mr. Deng Hui is set out as follow:

Deng Hui , born in April 1972, with a master degree, and currently serves as the vice chairman of Trade Union, director of Mass Work Department and director of Office of Letters and Calls of the Company. Mr. Deng Hui joined the Company's predecessor in July 1994 and served as the director of Comprehensive Management Department of Shaanxi Future Energy & Chemicals Company Limited in October 2014. In June 2016, Mr. Deng Hui was appointed as the member of Party Committee, the secretary of Discipline Inspection Commission of Shaanxi Future Energy & Chemicals Company Limited. Mr. Deng Hui was appointed as the deputy secretary of Party Committee, secretary of Discipline Inspection Commission and chairman of Trade Union of the Company's Railway Transportation Department in October 2017. In December 2018, He was appointed as the deputy secretary of Party Committee, secretary of Discipline Inspection Commission and chairman of Trade Union of the Company's Yangcun Coal Mine. He was appointed as the vice chairman of Trade Union, director of Mass Work Department and director of Office of Letters and Calls of the Company in October 2021. Mr. Deng Hui graduated from China University of Mining and Technology. According to the share option scheme adopted by the Company on 12 February 2019, Mr. Deng Hui holds 80,400 unvested options of the Company (As Mr. Deng Hui will assume the post of Supervisor, the Company will forfeit and cancel share options held by Mr. Deng Hui in due course in accordance with the rules of the share option scheme).

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As at the date of this announcement, as far as the Directors are aware and save as disclosed in this announcement, Mr. Deng Hui: (i) had not held any directorships in any public companies the securities of which were listed on any securities market in Hong Kong and/or overseas in the past three years, nor held any other major appointment and professional qualification; (ii) did not have any interests in the shares or securities of the Company within the meaning of Part XV of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong); and (iii) did not have any relationship with any Directors, Supervisors, senior management and substantial or controlling shareholders of the Company.

During their respective term as an employee representative Supervisor, Mr. Deng Hui will not receive any remuneration from the Company as a Supervisor.

Save as disclosed in this announcement, the Board is not aware of any other matter in relation to the election of Mr. Deng Hui as Supervisor which is required to be disclosed pursuant to Rule 13.51(2) of the Hong Kong Listing Rules or any other matter that needs to be brought to the attention of the Shareholders.

By order of the Board Yankuang Energy Group Company Limited Chairman of the Board Li Wei

Zoucheng, Shandong Province, the PRC 13 December 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.

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