CStone Pharmaceuticals — Capital/Financing Update 2010

Oct 14, 2010

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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)

PRICE SENSITIVE INFORMATION AND OVERSEAS REGULATORY ANNOUNCEMENT

The purpose of this announcement is to disclose revisions to the estimated results of the Group for the nine months ended 30 September 2010 prepared in accordance with the PRC Accounting Standards.

This announcement is made pursuant to Rules 13.09(1) and 13.09(2) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

Revisions to the estimated results of the Group for the nine months ended 30 September 2010 based on the PRC Accounting Standards

Reference is made to the estimated results of Yanzhou Coal Mining Company Limited (the “ Company ”) and its subsidiaries (collectively the “ Group ”) for the nine months ended 30 September 2010 (the “ Estimated Results ”) as disclosed in the 2010 interim report of the Company dated 23 August 2010. The board of directors of the Company (the “ Board ”) wishes to announce revisions to the Estimated Results, details of which are set out as follows:

I. Estimated Results for the relevant period

1. Period covered by the Estimated Results: 1 January 2010 to 30 September 2010

2. Revisions to the Estimated Results:

Based on the PRC Accounting Standards, the net profit of the Group for the first nine months of 2010 attributable to the shareholders of the Company was estimated to increase by 100% as compared with the corresponding period in 2009.

1. Whether the Estimated Results have been audited by certified public accounts: No

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II. The results of the corresponding period in 2009

1. Net profit attributable to shareholders of the Company: RMB3,028,439,481

2. Basic earnings per share: RMB0.62 per share.

III. The discrepancy from the Estimated Results previously disclosed and reasons for the discrepancy

1. The Estimated Results previously disclosed: It was disclosed in the 2010 interim report of the Company dated 23 August 2010 that the net profit of the Group for the first nine months of 2010 attributable to the shareholders of the Company would increase by over 50% as compared with the corresponding period in 2009.

2. Reason for the aforementioned discrepancy: The fluctuations of the exchange rate of AUD to USD resulted in an exchange gain for a USD denominated loan granted to Yancoal Australia Pty Limited (“ Yancoal Australia ”).

Since July 2010, the exchange rate of AUD to USD increased significantly. As at 30 September 2010, the exchange rate of AUD to USD is 0.9667, which represents an appreciation of 7.59% as compared to the exchange rate of AUD to USD of 0.8985 as at 31 December 2009. As a result, as at 30 September 2010, Yancoal Australia reported an exchange gain of AUD243.8 million arising from its USD denominated loan of USD3,105.5 million and accordingly, an exchange gain of RMB1,538.0 million was recorded when the financial statements of the Company and Yancoal Australia were consolidated.

As at 14 October 2010, the exchange rate of AUD to USD is 0.9950.

IV. Other related information

The Estimated Results disclosed herein are preliminary estimates made by the Group. Please refer to the financial figures to be published in the Company’s third quarterly report in the event of discrepancy.

The Estimated Results disclosed herein are estimated according to the PRC Accounting Standards. Shareholders of the Company and investors are advised to exercise caution to the investment risks arising from the differences with the International Financial Reporting Standards.

By order of the Board Yanzhou Coal Mining Company Limited Wang Xin Chairman of the Board

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Zoucheng, Shandong Province, the PRC 14 October 2010

As at the date of this announcement, the Directors of the Company are Mr. Wang Xin, Mr. Geng Jiahuai, Mr. Li Weimin, Mr. Shi Xuerang, Mr. Chen Changchun, Mr. Wu Yuxiang, Mr. Wang Xinkun, Mr. Zhang Baocai and Mr. Dong Yunqing, and the independent nonexecutive Directors of the Company are Mr. Pu Hongjiu, Mr. Zhai Xigui, Mr. Li Weian and Mr. Wang Junyan.

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