CStone Pharmaceuticals — Capital/Financing Update 2010

Jul 29, 2010

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 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 six months ended 30 June 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 six months ended 30 June 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 six months ended 30 June 2010 (the “ Estimated Results ”) as disclosed in the 2010 first quarterly report of the Company dated 23 April 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 this period

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

2. Revisions to the Estimated Results:

Based on the PRC Accounting Standards, the net profit of the Group for the first six months of 2010 attributable to shareholders of the Company was estimated to increase by 35% 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: RMB1,903,947,505

2. Basic earnings per share: RMB0.39 per share.

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

1. The Estimated Results previously disclosed: The net profit of the Group for the first six months of 2010 attributable to shareholders of the Company will increase by over 100% 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 loss for a USD denominated loan incurred by Yancoal Australia Pty Limited (“ Yancoal Australia ”).

Since May 2010, the exchange rate of AUD to USD decreased sharply. As at 30 June 2010, the exchange rate of AUD to USD is 0.8523, which represents a depreciation rate of 5.1% as compared with the exchange rate of AUD to USD of 0.8985 as at 31 December 2009. As a result, as at 30 June 2010, Yancoal Australia reported an exchange loss of AUD187 million arising from its USD denominated loan of USD3,105.5 million, accordingly, it appears an exchange loss of RMB1,114 million when the financial statements of the Company and Yancoal Australia are consolidated.

As at 28 July 2010, the exchange rate of AUD to USD is 0.8950.

IV. Other related information

The Estimated Results disclosed herein are just a preliminary estimate made by the Group. For more concrete information, please refer to the interim report for the first six months of 2010 to be published by the Group.

The Estimated Results disclosed herein are estimated according to the PRC Accounting Standards and overseas investors please pay attention 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

Zoucheng, Shandong Province, the PRC 29 July 2010

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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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