CMOC Group Limited — AGM Information 2021

May 5, 2021

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洛陽欒川鉬業集團股份有限公司

China Molybdenum Co., Ltd.*

（於中華人民共和國註冊成立的股份有限公司）

(A joint stock company incorporated in the People’s Republic of China with limited liability)

（股份代號： 03993 ）

(Stock Code: 03993)

5 May 2021

Dear Investor[(Note)] ,

*** “ ” – “ China Molybdenum Co., Ltd. (the Company ) Supplemental Circular and Notice of the 2020 Annual General Meeting (the Current Corporate Communication”)**

We are pleased to inform you that the English and Chinese versions of the Current Corporate Communication are now available on the HKEXnews’ website at www.hkexnews.hk and the Company’s website at www.cmoc.com.

If you want to receive a printed copy of the Current Corporate Communication, please complete the request form (the “Request Form”) on the reverse side and send it to the Company c/o the Company’s H share registrar, Computershare Hong Kong Investor Services Limited, by post using the mailing label at the bottom of the Request Form (no stamp is needed if posted in Hong Kong). The address of the Company’s H share registrar is 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong. You may also send an email with a scanned copy of the Request Form to chinamoly@computershare.com.hk. The Company’s H share registrar will arrange to send the printed copy of the Current Corporate Communication to you upon receipt of the Request Form.

Should you have any queries relating to this letter, please contact the Company’s H share registrar by calling its hotline at (852) 2862 8688 during business hours (Monday to Friday, 9:00 a.m. to 6:00 p.m., excluding public holidays).

For and on behalf of China Molybdenum Co., Ltd.* Yuan Honglin Chairman

Note: This notification letter is being sent to the non-registered holders of the shares of the Company, whose shares are held in Central Clearing and Settlement System ( “CCASS”) and who have notified the Company through Hong Kong Securities Clearing Company Limited that they wish to receive the Current Corporate Communication. If you have sold or transferred your shares in the Company, please disregard this notification letter and the Request Form enclosed.

* For identification purposes only

致投資者[(][附註 ][)] ：

洛陽欒川鉬業集團股份有限公司（「本公司」）－ 2020 年股東周年大會之補充通函及通告（「本次公司通訊文件」）

本公司欣然知會 閣下本公司之本次公司通訊文件的中、英文版本現已登載於香港交易所披露易網站（ www.hkexnews.hk ）及 本公司網站（ www.cmoc.com ）。

倘 閣下欲收取本次公司通訊文件之印刷本，請填妥在本函背面的申請表格（「申 請表格」），並使用申請 表格下方的郵 寄標籤寄回本公司之 H 股股份過戶登記處，香港中央證券登記有限公司（如在香港投寄則毋須貼上郵票），地址爲香港灣仔皇 后大道東 183 號合和中心 17M 樓。 閣下亦可把已填妥之申請表格的掃描副本電郵到 chinamoly@computershare.com.hk 。本公司之 H 股股份過戶登記處在收到申請表格後會安排寄發本次公司通訊文件的印刷本予 閣下。

如 閣下對本函有任何疑問，請於營業時間內（星期一至星期五，上午九時至下午六時，公眾假期除外）致電本公司 H 股股份過 戶登記處熱線 (852) 2862 8688 查詢。

代表 洛陽欒川鉬業集團股份有限公司 袁宏林 董事長

二零二一年五月五日

• 附註： 本通知函件收件對象為本公司非登記股份持有人。該等人士的股份存放於中央結算及交收系統（「中央結算系統」）及他們已經通過香港中央結算有限公司通知本公司， 希望收到本次公司通訊文件。如果 閣下已出售或轉讓所持有的本公司股份，則無需理會本通知函件及所附申請表格。

• 僅供識別

CCS9016

CMOH_NRH

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Request Form 申請表格

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致： 洛陽欒川鉬業集團股份有限公司（「本公司」） （股份代號： 03993 ）

China Molybdenum Co., Ltd. (the “Company”) (Stock Code: 03993)* （股份代號： 03993 ） c/o Computershare Hong Kong Investor Services Limited 經香港中央證券登記有限公司 17M Floor, Hopewell Centre 香港灣仔皇后大道東 183 號 183 Queen’s Road East 合和中心 17M 樓 Wanchai, Hong Kong

I/We would like to receive a printed copy of the Supplemental Circular and Notice of the 2020 Annual General Meeting of the Company as indicated below:

本人／我們希望以下列方式收取 貴公司之 2020 年股東周年大會之補充通函及通告 之印刷本：

(Please mark ONLY ONE （ X ） of the following boxes)

( 請從下列選擇中，僅在其中 一個空格 內劃上「 X 」號 )

□ I/We would like to receive the printed English version. 本人／我們希望收取一份英文印刷本。

□ I/We would like to receive the printed Chinese version. 本人／我們希望收取一份中文印刷本。

□ I/We would like to receive both the printed English and Chinese versions. 本人／我們希望同時收取英文和中文印刷本。

Contact telephone Signature number Date 簽名 聯絡電話號碼 日期

Notes 附註：

1. This Request Form is to be completed by the non-registered holders of the shares of the Company, whose shares are held in Central Clearing and Settlement System ( “CCASS”) and who have notified the Company through Hong Kong Securities Clearing Company Limited that they wish to receive the Current Corporate Communications. Please complete all your details clearly. 本申請表格應由本公司非登記股份持有人填寫。該等人士的股份存放於中央結算及交收系統（「中央結算系統」），他們並已經通過香港中央結算有限公司通知本公 司， 希望收到本次公司通訊文件。請 閣下清楚填妥所有資料。

2. Any form with more than one box marked (X), with no box marked (X), with no signature or otherwise incorrectly completed will be void. 如在本表格作出超過一項選擇、 或未有作出選擇、或未有簽署、或在其他方面填寫不正確，則本表格將會作廢。

3. For the avoidance of doubt, we do not accept any special instructions written on this Request Form. 為免存疑，任何在本申請表格上的額外手寫指示，本公司將不予處理。

• For identification purposes only 僅供識別

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