China Oil And Gas Group Limited announced that the retirement of Mr. Wang Wenhua from the office of independent non- executive Director. Upon conclusion of the AGM, Mr. Wang retired from his office. Following the retirement of Mr. Wang, he ceased to be the chairman of each of the audit committee of the Company and the remuneration committee of the Company and a member of the nomination committee of the Company.

Mr. Wang confirmed that he has no disagreement with the Board or the Company and there is no other matter relating to his retirement that needs to be brought to the attention of the shareholders of the Company and The Stock Exchange of Hong Kong Limited. The Board also announced that Ms. Liu Zhihong has been appointed as an independent non-executive Director, the chairman of each of the Audit Committee and the Remuneration Committee and a member of the Nomination Committee with effect from 15 June 2023. Ms. Liu, aged 45, holds an executive master's degree of business administration from the Peking University and is a member of the Chinese Institute of Certified Public Accountants.

Ms. Liu has been a senior wealth management manager of AIA Hong Kong since 2020. She was the financial controller of Tonking New Energy Group Holdings Limited during 2016 to 2020. Ms. Liu had participated in the audit work of BDO Limited during 2008 to 2012.

She has extensive experience in the field of accounting.