CStone Pharmaceuticals — Capital/Financing Update 2019

May 24, 2019

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)

OVERSEAS REGULATORY ANNOUNCEMENT ANNOUNCEMENT TO CREDITORS OF THE COMPANY IN RELATION TO GENERAL MANDATE GRANTED TO THE BOARD TO REPURCHASE H SHARES OF THE COMPANY

This announcement is made pursuant to the disclosure requirements under Rule 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

The 2018 annual general meeting, the 2019second class meeting of the holders of H shares and the 2019second class meeting of the holders of A shares were convened by Yanzhou Coal Mining Company Limited (the “ Company ”) on24 May 2019, pursuant to which a general mandate was granted to the board of directors of the Company (the “ Board ”) to repurchase H shares of the Company not exceeding 10% of the aggregate nominal value of H shares of the Company in issue as at the date of passing the resolution. Under the general mandate, the Board is authorized to repurchase H shares of the Company during the authorized period and to determine the relevant matters in relation to the repurchase of H shares of the Company according to the needs and market conditions upon obtaining approvals from the relevant regulatory authorities and complying with the relevant laws, regulations and the articles of association of the Company. Upon exerciseof the aforesaid general mandateby the Board, the Company will cancel the repurchased H shares in accordance with the relevant laws and regulations, which will lead to a reduction in the registered capital of the Company. Accordingly, the Company publishes this announcement in compliance with the Company Law of the People's Republic of China, the articles of association of the Company and other relevant regulations.

All creditors of the Company may submit a claim for creditor’s rights against the Company since the publication of this announcement. Creditors may require the Company to repay the debts or to provide guarantee by producing valid documents of creditor’s rights, evidence and identity documents within thirty (30) days after receiving a written notice from the Company, or, in case of absence of the serving of such notice, within forty-five (45) days after thepublication of this announcement.

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Method of claiming creditor’s rights:

To claim the aforesaid rights against the Company, creditors should produce originals and photocopies of the contracts, agreements and other evidence which stand as the proof of the debtor-creditor relationship with the Company. A creditor who is a legal person shall produce the original and a photocopy of the duplicate corporate business licence, as well as the identity document of its legal representative; in case of claiming through proxy, the original of the power of attorney signed by the legal representative as well as the original and a photocopy of the valid identity document of the proxy shall be further produced. A creditor who is a natural person shall produce the original and a photocopy of his/her valid identity document.In case of claiming through proxy, original of the power of attorney as well as the original and a photocopy of the valid identity document of the proxy shall be further produced.

1. Creditors claiming by mail should despatch their materials of creditor’s rights to the following address (the date of claim will be determined by the date of postal chop):

Postal address: 298 South Fushan Road, Zoucheng, Shandong Province

For the attention of: Mr. WangWei, Finance Management Department, Yanzhou Coal Mining Company Limited

Postal code: 273500

Special reminder: Please mark “Claim for Creditor’s Rights”on the cover of the mail.

1. Creditors claiming by fax should fax their materials of creditor’s rights to the following fax number:

Fax number: 0537-5383311

Special reminder: Please mark “Claim for Creditor’s Rights” on the cover of the fax.

Contact telephone number :0537-5933958

By order of the Board Yanzhou Coal Mining Company Limited Li Xiyong Chairman of the Board

Zoucheng City, Shandong Province, the PRC 24 May 2019

As at the date of this announcement, the Directors are Mr. Li Xiyong, Mr. Li Wei, Mr. Wu Xiangqian, Mr. Liu Jian, Mr. GuoDechun, Mr. Zhao Qingchun and Mr. Guo Jun, and the independent non-executive Directors are Mr. Kong Xiangguo, Mr. Cai Chang, Mr. Poon Chiu Kwok and Mr. Qi Anbang.

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