Du Du Holdings Limited — Proxy Solicitation & Information Statement 2010

Oct 14, 2010

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this notice, 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 notice.

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

(Incorporated in the 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 (“ Company ”) will be held at 9:30 a.m. on Monday, 1 November 2010 at Chairman Room II, Level 2, Royal Park Hotel, 8 Pak Hok Ting Street, Shatin, New Territories, Hong Kong to consider and, if thought fit, pass the following resolution as an ordinary resolution:

ORDINARY RESOLUTION

“THAT:

• (a) the conditional sale and purchase agreement dated 9 September 2010 entered into between Chemosino International Limited and Mr. Ling Wai Hoi in relation to the Acquisition (as defined in the circular of the Company dated 15 October 2010, a copy of which is marked “A” and signed by the chairman of the meeting for identification purpose has been tabled at the meeting) (“ Agreement ”) (a copy of the Agreement is marked “B” and signed by the chairman of the meeting for identification purpose has been tabled at the meeting) and the transactions contemplated thereunder be and are hereby approved, confirmed and ratified; and

• (b) any one of the directors of the Company be and is authorised to do all such acts and things, to sign and execute such documents or agreements or deeds on behalf of the Company and to do such other things and to take all such actions as he considers necessary, appropriate, desirable and expedient for the purposes of giving effect to or in connection with the Agreement and the transactions contemplated thereunder.”

By order of the Board China Natural Investment Company Limited Chow Kai Wah, Gary Executive Director

Hong Kong, 15 October 2010

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Registered office Head office and principal place of PO Box 309 business in Hong Kong: Ugland House Unit 1210A Grand Cayman 12th Floor KY1-1104 Champion Building Cayman Islands 301-309 Nathan Road Kowloon, 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 and transfer office 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 in person and voting 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 and/or any adjournment thereof 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 of The Stock Exchange of Hong Kong Limited, the above resolution will be decided by way of poll.

As at the date hereof, the executive directors of the Company are Mr. U Man Iong, Mr. Li Wai Hung and Mr. Chow Kai Wah, Gary; and the independent non-executive directors of the Company are Mr. Chan Yip Man, Norman, Mr. Hui Sin Kwong and Mr. Leung Chi Kin.

This notice, for which the directors of the Company 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 of the Company, 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 publication and on the website of the Company at http://www.chinanatural.com.hk.

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