CMOC Group Limited — AGM Information 2019

May 19, 2019

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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(Stock Code: 03993)

SUPPLEMENTAL NOTICE OF THE 2018 ANNUAL GENERAL MEETING

Reference is made to the circular (the “ Original Circular ”) and the notice (the “ Original Notice ”) of the 2018 annual general meeting (the “ AGM ”) of China Molybdenum Co., Ltd.* (the “ Company ”) dated 27 April 2019, which set out the details of the resolutions to be proposed at the AGM for shareholders’ approval.

SUPPLEMENTAL NOTICE IS HEREBY GIVEN that AGM will be held as originally scheduled at 1:00 p.m. on Friday, 14 June 2019 at the International Conference Room of Mudu-Lee Royal International Hotel at No. 239, Kaiyuan Street, Luolong District, Luoyang City, Henan Province, the People’s Republic of China (the “ PRC ”) for the purpose of considering and, if thought fit, following resolution as a special resolution in addition to the resolutions set out in the Original Notice:

SPECIAL RESOLUTION

• 24 “To consider and approve the proposal relating to the proposed provision of financing guarantee with a total amount of not more than RMB800 million to a joint venture of the Company.”

By Order of the Board China Molybdenum Co., Ltd. Li Chaochun* Chairman

Luoyang City, Henan Province, the PRC, 20 May 2019

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As at the date of this supplemental notice, the Company’s executive directors are Mr. Li Chaochun and Mr. Li Faben; the Company’s non-executive directors are Mr. Guo Yimin, Mr. Yuan Honglin and Mr. Cheng Yunlei; and the Company’s independent non-executive directors are Mr. Wang Gerry Yougui, Ms. Yan Ye and Mr. Li Shuhua.

Notes:

• (1) Details of the above resolution are set out in the supplemental circular of the Company dated 20 May 2019 (the “ Supplemental Circular ”). Unless otherwise defined in this supplemental notice of the AGM, capitalised terms used in this supplemental notice of the AGM shall have the same meanings as those defined in the Supplemental Circular.

• (2) A supplemental proxy form (the “ Supplemental AGM Proxy Form ”) for the AGM containing the resolution mentioned above is enclosed with the Supplemental Circular. The proxy form issued by the Company for the AGM along with the Original Circular (the “ Original AGM Proxy Form ”) will remain valid and effective to the fullest extent applicable if correctly completed and lodged with the H share registrar of the Company.

• (3) Shareholders are entitled to appoint one or more proxies to attend the AGM, but only one of the proxies can be designated to vote at the AGM. For the avoidance of doubt, should the proxies being appointed to attend the AGM under each of the Original AGM Proxy Form and/or the Supplemental AGM Proxy Form are different and more than one of the proxies attend the AGM, only the proxy validly appointed under the Original AGM Proxy Form shall be designated to vote at the AGM.

• (4) To be valid, the Supplemental AGM Proxy Form together with the power of attorney (if any) and other relevant authorization document(s) (if any) which have been notarized shall be deposited at the H share registrar of the Company, Computershare Hong Kong Investor Services Limited, at the address stated in note (5) below, not less than 24 hours before the time designated for the AGM. Completion and return of the Supplemental AGM Proxy Form will not preclude the holders of H shares from attending and voting at the AGM or any adjourned meeting should they so wish.

• (5) The address and contact details of the H share registrar of the Company, Computershare Hong Kong Investor Services Limited, are as follows:

17M Floor Hopewell Centre 183 Queen’s Road East Wanchai Hong Kong Telephone No.: (+852) 2862 8555 Facsimile No.: (+852) 2865 0990/(+852) 2529 6087

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• (6) The address and contact details of the Company’s office of the Board at its principal place of business in the PRC are as follows:

North of Yihe Huamei Shan Road Chengdong New District Luanchuan County Luoyang City Henan Province People’s Republic of China Postal code: 471500 Telephone No.: (+86) 379 6860 3993 Facsimile No.: (+86) 379 6865 8017

• (7) The AGM is expected to last not more than one day. Shareholders or proxies attending the AGM are responsible for their own transportation and accommodation expenses.

• For identification purposes only

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