Design Capital Limited — M&A Activity 2013

Sep 24, 2013

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.

KING STONE ENERGY GROUP LIMITED 金 山 能 源 集 團 有 限 公 司

(Incorporated in Hong Kong with limited liability)

(Stock Code: 00663)

VOLUNTARY ANNOUNCEMENT IN RESPECT OF PROPOSED ACQUISITION

This announcement is made by King Stone Energy Group Limited (the ‘‘Company’’, which together with its subsidiaries, the ‘‘Group’’) on a voluntary basis.

The board (the ‘‘Board’’) of directors (the ‘‘Directors’’) of the Company wishes to announce that the Group has submitted a binding bid at an auction (the ‘‘Proposed Acquisition’’) of certain oil and gas assets which include, but are not limited to, valuable patents that have promising application in the oil and gas industry as a means to commercially recover oil. To the best information, belief and knowledge of the Directors, the winning bidder will be determined in the first half of October.

The Proposed Acquisition, if materialized, will constitute a discloseable transaction on the part of the Company and further announcement will be issued by the Company in this regard as and when required under the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

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

By order of the Board

King Stone Energy Group Limited Xu Zhendong Chairman

Hong Kong, 24 September 2013

As at the date of this announcement, the executive Directors are Mr. Xu Zhendong, Mr. Zhang Wanzhong, Mr. Tian Wenwei, Mr. Zong Hao, Mr. Xu Zhuliang and Mr. Benjamin Clark Danielson, the non-executive Director is Mr. Zhang Yongli and the independent non-executive Directors are Mr. Chiu Sui Keung, Mr. Li Peiming, Mr. Lu Binghui, Mr. Lee Ping and Mr. Liu Shengming.