CStone Pharmaceuticals — Earnings Release 2022

Oct 19, 2022

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 *

(A joint stock limited company incorporated in the People’s Republic of China with limited liability) (Stock Code: 01171)

POSITIVE PROFIT ALERT FOR THE FIRST THREE QUARTERS OF 2022

This announcement is made pursuant to the disclosure obligations under Part XIVA of the Securities and Futures Ordinance and Rule 13.09(2)(a) and 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

I. Estimated results for this period (calculated in accordance with the Chinese Accounting Standards)

1. Period of estimated results

   • 1 January 2022 to 30 September 2022.

2. Estimated results

Yankuang Energy Group Company Limited* (the “ Company ”) and the board of directors of the Company (the “ Board ”) wish to inform the shareholders and potential investors of the Company that, according to the preliminary calculation by the Company’s financial department, the Company expects to realize the net profit that attributable to the shareholders of the listed company to about RMB27,100 million in the first three quarters of 2022, which will increase by about RMB15,568 million or with an increase of 135% compared with the data of the same period of the previous year.

According to the preliminary calculation by the Company’s financial department, the Company expects that the net profit attributable to the shareholders of the listed company

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after deducting non-recurring gains and losses is about RMB26,700 million in the first three quarters of 2022, which will increase by about RMB14,941 million or with an increase of 127% compared with the data of the same period of the previous year.

1. The estimated results for this period have not been audited by certified public accountants.

II. Results for the same period of previous year (calculated in accordance with the Chinese Accounting Standards)

1. Net profit attributable to shareholders of the Company: RMB11,532 million.

2. Net profit attributable to the shareholders of the listed company after deducting nonrecurring gains and losses: RMB11,759 million.

3. Earnings per share: RMB2.38 per share.

III. Main reason for the estimated profit growth for this period

The significant growth of the Company’s profit for the first three quarters of 2022 as compared to the same period of previous year is mainly due to the following reason:

In the first three quarters of 2022, as affected by the rise in energy prices in both domestic and overseas, the prices of the Company’s major products have remained at high level; the Company continued to promote lean management to hedged the impact of rising costs, which resulted in a significant growth on its financial performance.

IV. RISK WARNINGS

There are no material uncertain factors in the Company, which will affect the accuracy of the contents of this estimated results.

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V. OTHER EXPLANATORY MATTER

The estimated results are only preliminary accounting data. Detailed and accurate financial information will be set out in the formally disclosed 2022 third quarterly report of the Company. Investors are advised to be aware of investment risks.

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

Zoucheng, Shandong Province, the PRC 19 October 2022

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 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.

• For identification purpose only

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