CStone Pharmaceuticals — Investor Presentation 2021

Aug 26, 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 (“ PRC ”) with limited liability) (Stock Code: 1171)

OVERSEAS REGULATORY ANNOUNCEMENT NOTICE OF 2021 INTERIM RESULTS PRESENTATION

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

Yanzhou Coal Mining Company Limited (the “ Company ”) will hold the 2021 interim results presentation (the “ Presentation ”) on 30 August 2021. The related matters are hereby announced as follows:

1. TYPE OF THE PRESENTATION

The Company will publish its 2021 interim results at the websites of Shanghai Stock Exchange and The Stock Exchange of Hong Kong Limited on 28 August 2021. The Company proposes to hold the Presentation by way of telephone meeting to help investors better understand the results of the Company.

2. TIME AND METHOD OF THE PRESENTATION

• 2.1 Convening time: 10: 30 a.m.- 11: 30 a.m. on Monday, 30 August 2021

• 2.2 Convening method: telephone meeting

2.3 Dial-in information: Mainland China: 400 810 8121 Hong Kong SAR: (+852) 30051313 Singapore: (+65) 64298359 Meeting password: 520189 Dial-in numbers for other countries and regions are set out in the link below:

https://smart.quanshi.com/initAccessNumberPageAction.action

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3. PARTICIPANTS

Participants from the Company:

Mr. Li Wei, chairman of the board of directors of the Company, Mr. Xiao Yaomeng, director and general manager of the Company, Mr. Zhao Qingchun, director and chief financial officer of the Company, and Mr. Huang Xiaolong, director and secretary to the board of directors of the Company and the persons in charge of the relevant business operations.

4. PARTICIPATION METHODS

Investors can participate in the Presentation through telephone at that time. At the Presentation, the Company will present the 2021 interim results, analysis in main products and markets and the operation methods in the second half of 2021 and other related matters, and will communicate and exchange views with investors at the Presentation in respect of their concerns.

Investors can send their inquiries through email by 5:00 p.m. on Friday, 27 August 2021 to yanzhoucoal2021@163.com. The Company will communicate and exchange views with investors at the Presentation in respect of their common concerns.

5. CONTACT PERSONS AND INQUIRY METHODS

To enhance the efficiency of the Presentation, investors who intend to participate in the Presentation are advised to make reservations through telephone or email .

• 5.1 Period for making reservations: 27 August 2021 (9:30-17:00)

• 5.2 Contact persons: Yang Xuan

• 5.3 Telephone: (+86) 021-28972068 5.4 Email: yanzhoucoal2021@163.com

6. OTHER MATTERS

To inform the investors of details of the Presentation, the Company will provide the relevant information of the Presentation to investors through the website of the Company ( http://www.yanzhoucoal.com.cn/), and will provide the meeting minutes of the Presentation through the online service platform provided by SSE InfoNet Co., Ltd. after the Presentation is held.

Shareholders of the Company and investors are welcome to participate in the Presentation.

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

Zoucheng City, Shandong Province, the PRC 26 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.

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