Du Du Holdings Limited — Proxy Solicitation & Information Statement 2013

Jun 28, 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.

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China Natural Investment Company Limited 中國天然投資有限公司

(Incorporated in Cayman Islands with limited liability)

(Stock Code: 8250)

NOTICE OF EXTRAORDINARY GENERAL MEETING

NOTICE IS HEREBY GIVEN that the extraordinary general meeting of China Natural Investment Company Limited (the “ Company ”) will be held at 3/F, Nexxus Building, 77 Des Voeux Road Central, Hong Kong on Friday, 19 July 2013 at 2:30 p.m. to consider and, if thought fit, pass the following resolutions:

ORDINARY RESOLUTIONS

“ THAT :

• (a) the acquisition agreement dated 7 May 2012 as amended from time to time (the “ Acquisition Agreement ”) entered into between Huge Discovery Limited, an indirect wholly-owned subsidiary of the Company and Ms. Chen Yejun (“ Ms. Chen ”) and Mr. Huang Tianhua (“ Mr. Huang ” ) (collectively Ms. Chen and Mr. Huang, the “ Vendors ”) in relation to the acquisition of 100 issued and fully paid shares of US$1.00 each in the capital of Sino-Mongolia Fluorspar Mining Co., Ltd. and all amounts owed by it and its wholly-owned subsidiary, MCTT Company Limited, to the Vendors and all the transactions contemplated thereunder and all other matters of and incidental thereto or in connection therewith be and are hereby approved, ratified and confirmed in all respects;

• (b) the directors of the Company or any of them (the “ Directors ”) be and are hereby authorised to exercise all the powers of the Company and take all steps as might in his/their opinion be desirable, necessary or expedient in connection with the implementation of the transactions

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contemplated under the Acquisition Agreement, including, without limitation to, the execution, amendment, supplement, delivery, submission and implementation of any further documents or agreements.”

By Order of the Board China Natural Investment Company Limited Chen Liang Chief Executive Officer

Hong Kong, 28 June 2013

Registered office: Head office and principal place of PO Box 309 business in Hong Kong: Ugland House Unit 1903, 19th Floor Grand Cayman, KY1-1104 West Tower, Shun Tak Centre Cayman Islands 168-200 Connaught Road Central Hong Kong

Notes:

• (1) A member of the Company entitled to attend and vote at the extraordinary general meeting convened by the above notice is entitled to appoint one or more proxy to attend and, subject to the provisions of the articles of association of the Company, to vote on his/her behalf. A proxy need not be a member of the Company but must be present in person at the extraordinary general meeting to represent the member. If more than one proxy is so appointed, the appointment shall specify the number and class of shares in respect of which each such proxy is so appointed.

• (2) In order to be valid, the form of proxy must be deposited together with a power of attorney or other authority, if any, under which it is signed or a notarially certified copy of that power or authority, at the office of the Company’s branch share registrar in Hong Kong, Computershare Hong Kong Investor Services Limited at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong not less than 48 hours before the time appointed for holding the meeting or any adjournment thereof. Completion and return of the form of proxy will not preclude a member of the Company from attending and voting in person at the extraordinary general meeting or any adjournment thereof should he/she so wish.

• (3) Completion and return of an instrument appointing a proxy should not preclude a member of the Company from attending and voting in person at the meeting convened and in such event, the instrument appointing a proxy shall be deemed to be revoked.

• (4) As required under the Rules Governing the Listing of Securities on the Growth Enterprise Market (“ GEM ”) of The Stock Exchange of Hong Kong Limited (“ GEM Listing Rules ”), the resolutions will be decided by way of poll.

As at the date of this announcement, the Board comprises (i) five executive Directors namely, Mr. Li Wai Hung, Mr. Cai Da, Mr. Chen Liang, Mr. Chen Youhua and Ms. Xiong Yun Huan; and (ii) three independent non-executive Directors namely, Mr. Tam B Ray, Billy, Mr. Chi Chi Hung, Kenneth and Mr. Yan Shengxian.

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This notice, for which the Directors collectively and individually accept full responsibility, includes particulars given in compliance with the GEM Listing Rules 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 notice 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 notice misleading.

This notice will remain on the “Latest Company Announcements” page of the GEM website at http:// www.hkgem.com for at least seven (7) days from the date of its publication and is available for reference on the website of the Company at http://www.chinanatural.com.hk.

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