CHYY Development Group Limited — Share Issue/Capital Change 2014

Aug 11, 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)

CLARIFICATION ANNOUNCEMENT GRANT OF SHARE OPTIONS

Reference is made to the announcement of China Ground Source Energy Industry Group Limited (the “ Company ”) in relation to the grant of share options dated 9 August 2014 (the “ Announcement ”). Unless otherwise specified, capitalised terms used herein shall have the same meaning as defined in the Announcement.

The Board wishes to clarify that:

• (a) the grant date of the Share Options was incorrectly stated as 9 August 2014 in the Announcement which in fact should be 11 August 2014 (the “ Date of Grant ”);

• (b) the exercise price of the Share Options shall remain unchanged at HK$0.455 per Share, which is at least the higher of (i) the closing price of HK$0.445 per Share as stated in the daily quotations sheet issued by the Stock Exchange on the Date of Grant, and (ii) the average closing price of HK$0.446 per Share as stated in the daily quotations sheets issued by the Stock Exchange for the five business days immediately preceding the Date of Grant.

Save for the information disclosed above, all the details contained in the Announcement (including other terms and conditions of the Share Options) shall remain unchanged.

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

Hong Kong, 11 August 2014

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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. Hu Zhaoguang 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.

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