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(A joint stock limited company incorporated in the People's Republic of China with limited liability)

(Stock Code: 2883) INSIDE INFORMATION NORMAL OPERATION OF THE COMPANY

This announcement is made by China Oilfield Services Limited (the "Company", together with its subsidiaries, the "Group") pursuant to Rule 13.09 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Listing Rules") and the Inside Information Provisions (as defined in the Listing Rules) of Part XIVA of the Securities and Futures Ordinance (Chapter 571, Laws of Hong Kong) (the "SFO").
The board of directors (the "Board") of the Company wishes to inform the shareholders of the Company (the "Shareholders") that owing to the production and office facilities of the Group in Tianjin were located at a distance far from the site of explosion at the Tianjin Binhai New Area, there were only damages to certain windows and glasses to the facilities of the Group, and a few employees suffered from minor injuries and family properties were subjected to certain losses. The Company is of the view that the hazardous chemicals explosion at the Tianjin Binhai New Area in the evening of 12 August 2015 has not caused any impact on the financial and business operations of the Group.

Shareholders and potential investors are advised to exercise caution when dealing in shares of the Company.

By order of the Board

China Oilfield Services Limited Yang Haijiang

Company Secretary

14 August 2015

As at the date of this announcement, the executive directors of the Company are Messrs. Li Yong and Li Feilong; the non-executive directors of the Company are Messrs. Liu Jian (Chairman) and Zeng Quan; and the independent non-executive directors of the Company are Messrs. Fong Wo, Felix, Law Hong Ping, Lawrence and Fong Chung, Mark.

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