CMOC Group Limited — AGM Information 2016

May 12, 2016

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(Stock Code: 03993)

REPLY SLIP FOR THE 2016 FIRST CLASS MEETING OF HOLDERS OF H SHARES TO BE HELD ON WEDNESDAY, 29 JUNE 2016

To: China Molybdenum Co., Ltd.* (the “ Company ”)

I/We [(Note 1)] of

(address as shown in the register of members of H shares) being the registered holder(s) of [(Note 2)]

H shares of RMB0.20 each in the share capital of the Company, hereby inform the Company that I/we intend to attend (in person or by proxy) the 2016 first class meeting of holders of H shares of the Company (the “ H Shareholders’ Class Meeting ”) to be held immediately after the annual general meeting and the 2016 first class meeting of holders of A shares of the Company (and at any adjournments thereof) on Wednesday, 29 June 2016 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 (and at any adjournment thereof).

Date: 2016 Signature(s): Notes:

1. Please insert the full name(s) (in Chinese or English) and address(es) (as shown in the register of members of H shares) in BLOCK CAPITALS .

2. Please insert the number of H shares registered in your name(s). If no number is inserted or the number inserted is more than the number of H shares registered in your name(s), this reply slip will be deemed to relate to all H shares registered in your name(s).

3. Please complete and sign this reply slip and return it to the office of the Board of the Company at the Company’s principal place of business in the People’s Republic of China before Thursday, 9 June 2016 by hand, by post or by facsimile, the address and contact details are as follows:

North of Yihe Huamei Shan Road Chengdong New District Luanchuan County Luoyang City Henan Province The People’s Republic of China Postal code: 471500 Telephone No.: (+86) 379 6865 8017 Facsimile No.: (+86) 379 6865 8030

Failure to sign and return this reply slip, however, will not preclude an eligible H shareholder from attending the H Shareholders’ Class Meeting.

• For identification purposes only