CStone Pharmaceuticals — Earnings Release 2021

Jan 25, 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.

==> picture [65 x 70] intentionally omitted <==

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 YEAR OF 2021

This announcement is made pursuant to Part XIVA of the Securities and Futures Ordinance and Rules 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

1. Period of estimated results

1 January 2021 to 31 December 2021.

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 in accordance with the Chinese Accounting Standards, the Company expects to realize the net profit that attributable to the shareholders of the listed company to about RMB 16,000 million in the year of 2021, which will increase by RMB 8,878 million or with an increase of 124.67% compared with the data of the same period of the previous year.

1

In addition, the Company expects that the net profit attributable to the shareholders of the listed company after deducting non-recurring gains and losses is about RMB 15,704 million in the year of 2021, which will increase by RMB 9,169 million or with an increase of 140.32% 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 last year (calculated in accordance with the Chinese

Accounting Standards)

1. Net profit attributable to shareholders of the Company: RMB 7,122 million.

2. Net profit attributable to the shareholders of the listed company after deducting nonrecurring gains and losses: RMB 6,535 million.

3. Earnings per share: RMB 1.4589 per share.

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

The significant growth of the Company’s profit for the year of 2021 as compared to the same period of last year is mainly due to the following reason:

Since the beginning of 2021, China’s economy has been stable and improving, and the market prices of coal, acetic acid and other chemical products have been running at a high level. The prices of the Company’s main products have increased significantly in the year of 2021.

IV. RISK WARNINGS

There are no material uncertain factors in the Company, which will affect the accuracy of the

contents of this estimated results.

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 2021 annual report of the Company.

Investors are advised to be aware of investment risks.

2

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

Zoucheng City, Shandong Province, the PRC

25 January 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, 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.

* For identification purpose only

3