6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 

of the Securities Exchange Act of 1934

For the month of April 2021

Commission File Number 1-14966

CNOOC Limited

(Translation of registrant’s name into English)

65th Floor

Bank of China Tower

One Garden Road

Central, Hong Kong

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x    Form 40-F ¨ 

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ¨    No x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	CNOOC Limited
By:	/s/ Xiaonan Wu
Name:	Xiaonan Wu
Title:	Joint Company Secretary

Date: April 21, 2021

EXHIBIT INDEX

Exhibit No.	Description
99.1	Announcement entitled “Resignation of Executive Director and President”
99.2	Announcement entitled “List of Directors and their Role and Function”

EX-99.1

Exhibit 99.1

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.

(Incorporated in Hong Kong with limited liability under the Companies Ordinance)

(Stock Code: 00883)

RESIGNATION OF EXECUTIVE DIRECTOR AND PRESIDENT

The board of directors (the “Board”) of CNOOC Limited (the “Company”) announces that with effect from 21 April 2021, Mr. Hu Guangjie (“Mr. Hu”) has resigned as an executive director and the president of the Company due to the change of appointment.

Mr. Hu confirmed that he has no disagreement with the Board and is not aware of any matters relating to his resignation that need to be brought to the attention to the shareholders of the Company and The Stock Exchange of Hong Kong Limited.

The Board would like to take this opportunity to express its appreciation and gratitude to Mr. Hu for his contribution and service to the Company.

By Order of the Board
 CNOOC Limited
 Wu Xiaonan
 Joint Company Secretary

Hong Kong, 21 April 2021

As at the date of this announcement, the Board comprises: Executive Director Xu Keqiang Non-executive Directors Wang Dongjin (Chairman) Li Yong (Vice Chairman) Wen Dongfen Independent Non-executive Directors
Chiu Sung Hong Lawrence J. Lau Tse Hau Yin, Aloysius Qiu Zhi Zhong

EX-99.2

Exhibit 99.2

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.

(Incorporated in Hong Kong with limited liability under the Companies Ordinance)

(Stock Code: 00883)

ANNOUNCEMENT

List of Directors and their Role and Function

The members of the board of directors (the “Board”) of CNOOC Limited and their respective role and function in the Board and the Board committees are set out below:

Board Committee Directors	Audit Committee	Nomination Committee	Remuneration Committee
Executive Director
Xu Keqiang (CEO)	-	-	-
Non-executive Directors
Wang Dongjin (Chairman)	-	C	-
Li Yong (Vice Chairman)	-	-	M
Wen Dongfen	-	-	-
Independent Non-executive Directors
Chiu Sung Hong	M	-	C
Lawrence J. Lau	M	M	-
Tse Hau Yin, Aloysius	C	-	M
Qiu Zhi Zhong	-	M	-

Notes:

C Chairman of Board committee

M Member of Board committee

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By Order of the Board

CNOOC Limited

Wu Xiaonan

Joint Company Secretary

Hong Kong, 21 April 2021

As at the date of this announcement, the Board comprises:   Executive Director Xu Keqiang Non-executive Directors Wang Dongjin (Chairman) Li Yong (Vice Chairman) Wen Dongfen Independent Non-executive Directors
Chiu Sung Hong Lawrence J. Lau Tse Hau Yin, Aloysius Qiu Zhi Zhong

2