Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited disclaim responsibility for the contents of the announcement by China Petroleum & Chemical Corporation (Sinopec Corp.) and make no representation as to its accuracy or completeness. They expressly disclaim any liability for any loss arising from or in reliance upon all or part of the contents of the announcement.

On 27 February 2026, the board of directors of Sinopec Corp. received the resignation of Chief Geologist, Mr. Guo Xusheng, who stepped down due to his age. According to the announcement, Mr. Guo expressed no disagreement with the board and confirmed there were no other matters needing to be brought to the attention of shareholders. Sinopec Corp. acknowledged Mr. Guo’s diligence and contribution during his tenure, extending sincere gratitude for his service.

As of the date of the announcement, the company’s directors include: Hou Qijun*, Zhao Dong#, Zhong Ren*, Lv Lianggong#, Niu Shuanwen#, Wan Tao#, Cai Yong*, Xu Lin+, Zhang Liying+, Liu Tsz Bun Bennett+, Zhang Xiliang+, and Li Wei+. The announcement was issued in Beijing, the People’s Republic of China, on 27 February 2026.