CStone Pharmaceuticals — Regulatory Filings 2021

Dec 16, 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 COMPANY LOGO

The directors (the “ Directors ”) of board (the “ Board ”) of Yankuang Energy Group Company Limited (the “ Company ”) is pleased to announce that the Company’s logo has been changed with effect on 16 December 2021, in order to reflect the new Company's name. The Company’s old and new logos are set out below for identification purpose:

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(Old Logo) (New Logo)

The new logo will be printed on relevant corporate documents (including but not limited to the share certificates, interim and annual reports, announcements, circulars and press releases) of the Company and will be used on the Company’s website.

The change of the logo will not have any material impact on the operations of the Company, nor will it affect any rights of the existing shareholders of the Company. All the existing share certificates of the Company in issue bearing the old logo will continue to be effective as documents of title to such shares of the Company and be valid for trading, settlement, registration and delivery

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purposes. Accordingly, there will not be any arrangement for the free exchange of the existing share certificates for new share certificates bearing the Company’s new logo. With effect from 16 December 2021, new share certificates issued by the Company will bear the new logo.

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

Zoucheng, Shandong Province, the PRC 16 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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