CNOOC Limited — Board/Management Information 2026

Mar 20, 2026

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.

CNOOC Limited

(中國海洋石油有限公司)

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

Stock Codes: 00883 (HKD counter) and 80883 (RMB counter)

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 committees under the Board are set out below, with effect from 20 March 2026:

Committees under the Board Directors	Audit Committee	Nomination Committee	Remuneration Committee	Strategy and Sustainability Committee
Executive Director
Huang Yongzhang (Vice Chairman, CEO and President)	-	-	-	M
Non-executive Directors
Zhang Chuanjiang (Chairman)	-	C	-	C
Wang Dehua	M	-	M	-
Independent Non-executive Directors
Qiu Zhi Zhong	M	-	C	M
Lin Boqiang	-	M	M	M
Li Shuk Yin Edwina	C	M	-	-

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Notes:
C Chairman of committees under the Board
M Member of committees under the Board

By order of the Board
CNOOC Limited
Xu Yugao
Joint Company Secretary

Hong Kong, 20 March 2026

As at the date of this announcement, the Board comprises:

Non-executive Directors
Zhang Chuanjiang (Chairman)
Wang Dehua

Executive Director
Huang Yongzhang (Vice Chairman)

Independent Non-executive Directors
Qiu Zhi Zhong
Lin Boqiang
Li Shuk Yin Edwina