The board of directors of China Petroleum & Chemical Corporation announced that due to change of working arrangement, on 19 January 2020, Mr. Dai Houliang tendered his resignation to the Board as Chairman of the Board, non-executive Director and the Chairman of each of the Strategy Committee, Social Responsibility Management Committee and Nomination Committee of the Board of Sinopec Corp. Pursuant to the Company Law of the People's Republic of China and the Articles of Association of China Petroleum & Chemical Corporation, all directors of the Company jointly recommended Mr. Ma Yongsheng, a director of the Company, to perform the duties of Chairman of the Board with effect from the date of recommendation to the date when a new Chairman of the Board of the Company is elected.