CHYY Development Group Limited — Share Issue/Capital Change 2014

Sep 16, 2014

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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(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 8128)

ANNOUNCEMENT

Reference is made to the announcements of China Ground Source Energy Industry Group Limited (the “Company”) dated 9 August 2014 and 11 August 2014 (the “Announcements”) in relation to the Company’s granting of share options to the Grantees. Terms defined in the Announcements shall have the same meanings when used in this announcement. The Company further announces that, among the 290,000,000 share options offered to the grantees, only 282,000,000 share options were accepted by them. As a result, there were only 282,000,000 share options eventually granted to the grantees. In particular, Mr. Daiqi, an non-executive Director of the Company, has not accepted any of the share options offered to him.

By Order of the Board of China Ground Source Energy Industry Group Limited Zheng Qiyu Chairman

Hong Kong, 16 September 2014

As at the date of this announcement, the Board comprises Mr. Zheng Qiyu, Ms. Chan Wai Kay, Katherine, Mr. Xu Shengheng and Mr. Zang Yiran as executive Directors, Mr. Zhao Youmin and Mr. Daiqi as non-executive Directors, Mr. Jia Wenzeng, Mr. Wu Desheng and Mr. Zhang Honghai as independent non-executive Directors.

This announcement, for which the directors of the Company collectively and individually accept full responsibility, includes particulars given in compliance with the Rules Governing the Listing of Securities on the Growth Enterprise Market of The Stock Exchange of Hong Kong Limited for the purpose of giving information with regard to the Company. The directors, having made all reasonable enquiries, confirm that to the best of their knowledge and belief the information contained in this announcement is accurate and complete in all material respects and not misleading or deceptive, and there are no other matters the omission of which would make any statement herein or this announcement misleading.

This announcement will remain on the GEM website with the domain name of www.hkgem.com on the “Latest Company Announcement” page for at least 7 days from the date of publication and on the website of the Company at www.cgsenergy.com.hk.