Announcement on Resolutions of the First Meeting of the Ninth Session of the Board of Directors

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibilities 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.(a joint stock limited company incorporated in the People’s Republic of China with limited liability) (Stock Code: 00386) Announcement on Resolutions of the First Meeting of the Ninth Session of the Board of Directors The Board and all the Directors of Sinopec Corp. warrant that there are no false representations misleading statements or material omissions contained in this announcement and accept legal responsibility for the authenticity accuracy and completeness of the information contained herein.The first meeting (the “Meeting”) of the ninth session of the board of directors (the “Board”) of China Petroleum & Chemical Corporation (“Sinopec Corp.” or the “Company”) was convened and held in Beijing on 28 June 2024 by way of on-site meeting. Mr. Ma Yongsheng (Director of the Company) chaired the Meeting. 12 of 12 Directors attended in the Meeting. Some members of the Supervisory Committee and senior management of the Company were present at the Meeting. The Meeting was convened and held in compliance with the requirements of relevant laws and the Articles of Association of China Petroleum & Chemical Corporation.The following matters and resolutions were considered and approved at the Meeting: I. To elect Ma Yongsheng as the Chairman of the ninth session of the Board and Zhao Dong as the Vice Chairman of the ninth session of the Board.II. To appoint the members of the special committees under the ninth session of the Board as follows: (1) Strategy Committee Chairman: Ma Yongsheng Members: Zhao Dong Li Yonglin Xu Lin and Zhang Liying (2) Audit Committee Chairman: Liu Tsz Bun Bennett Members: Xu Lin Zhang Liying and Zhang Xiliang 1(3) Sustainable Development Committee Chairman: Ma Yongsheng Members: Zhong Ren Wan Tao and Zhang Xiliang (4) Remuneration and Appraisal Committee Chairman: Xu Lin Members: Zhong Ren and Liu Tsz Bun Bennett (5) Nomination Committee Chairman: Zhang Liying Members: Ma Yongsheng and Liu Tsz Bun Bennett III. Resolution in relation to appointment of President of the Company and Secretary to the Board It is resolved to appoint Zhao Dong as President of the Company and appoint Huang Wensheng as Secretary to the Board with the term commencing from the approval date of the Board to the date when the term of the ninth session of the Board expires.On 28 June 2024 the Nomination Committee of the Board has reviewed and unanimously approved this resolution and resolved to submit this resolution to the Board for consideration.IV. Resolution in relation to appointment of Senior Vice Presidents Chief Financial Officer Vice Presidents and other senior management of the Company It is resolved to appoint Li Yonglin Lv Lianggong Niu Shuanwen Wan Tao and Yu Baocai as Senior Vice Presidents Shou Donghua as Chief Financial Officer Huang Wensheng Guo Hongjin Xu Yi and Li Yuxing as Vice Presidents Guo Xusheng as Chief Geologist Liu Jiahai as Chief Safety Officer with the term commencing from the approval date of the Board to the date when the term of the ninth session of the Board expires.On 28 June 2024 the Nomination Committee of the Board has reviewed and unanimously approved this resolution and resolved to submit this resolution to the Board for consideration.On 28 June 2024 the Audit Committee of the Board has reviewed and unanimously approved the appointment of Chief Financial Officer in this resolution and resolved to submit this matter to the Board for consideration.V. Resolution in relation to appointment of authorised representatives for The Stock Exchange of Hong Kong Limited (the “Hong Kong Stock Exchange”) and the representative on securities matters of Shanghai Stock Exchange Due to adjustment of work arrangements it is resolved to appoint Zhao Dong and Huang Wensheng as authorised representatives for the Hong Kong Stock Exchange and Zhang Zheng as representative on securities matters of the Shanghai Stock Exchange. 2Please refer to the appendix for the biographies of Shou Donghua Huang Wensheng Guo Hongjin Xu Yi Li Yuxing Guo Xusheng and Liu Jiahai. Please refer to the circular for the annual general meeting for the year 2023 of Sinopec Corp. dated 13 May 2024 for the biographies of other members.Each of the above resolutions was unanimously approved by 12 votes with no votes against or abstentions.By order of the Board China Petroleum & Chemical Corporation Huang Wensheng Vice President and Secretary to the Board of Directors Beijing the PRC 28 June 2024 As of the date of this announcement Directors of the Company are: Ma Yongsheng* Zhao Dong# Zhong Ren* Li Yonglin# Lv Lianggong# Niu Shuanwen# Wan Tao# Yu Baocai# Xu Lin + Zhang Liying+ Liu Tsz Bun Bennett+ and Zhang Xiliang+.# Executive Director * Non-executive Director + Independent Non-executive Director 3Appendix Shou Donghua aged 55. Ms. Shou is a professor level senior accountant with a master’s degree in business administration. In August 2017 she was appointed as Secretary of the CPC Committee and Deputy General Manager of Sinopec Zhenhai Refining & Chemical Company; in September 2018 she was appointed as Director General of Finance Department of China Petrochemical Corporation and concurrently as Chairwoman of Sinopec Century Bright Capital Investment Ltd. In December 2019 she was appointed as General Manager of Finance Department of Sinopec Corp.; in October 2023 she was appointed as Chairwoman and Secretary of the CPC Committee of Sinopec Overseas Investment Holding Limited; in January 2020 she was appointed as Chief Financial Officer of Sinopec Corp.Huang Wensheng aged 57. Mr. Huang is a professor level senior economist with a bachelor’s degree.In June 2018 he was appointed as Director General of Department of Capital Management and Financial Services of Sinopec Corp.; in July 2018 he was appointed as Chairman General Manager and Secretary of the CPC Committee of Sinopec Capital Co. Ltd. In May 2012 he was appointed as Secretary to the Board of Directors of Sinopec Corp; in May 2014 he was concurrently appointed as Vice President of Sinopec Corp.Guo Hongjin aged 58. Mr. Guo is a professor level senior engineer with a Ph.D. degree. In March 2018 he was appointed as General Manager and Deputy Secretary of the CPC Committee of Sinopec Shengli Petroleum Administrative Bureau Co. Ltd. and General Manager of Sinopec Shengli Oilfield Company; in December 2018 he was appointed as Executive Director General Manager and Deputy Secretary of the CPC Committee of Sinopec Jianghan Petroleum Administrative Bureau Co. Ltd. and General Manager of Sinopec Jianghan Oilfield Company; in July 2019 he was appointed as Executive Director and Secretary of the CPC Committee of Sinopec Jianghan Petroleum Administrative Bureau Co. Ltd. and Representative of Sinopec Jianghan Oilfield Company; in May 2021 he was elected as Supervisor of Sinopec Corp.; in May 2022 he was elected as Employee Representative Supervisor of Sinopec Corp. In April 2020 he was appointed as General Manager of the Petroleum Exploration & Development Department of Sinopec Corp.Xu Yi aged 57. Mr. Xu is a senior engineer with a master’s degree. In March 2019 he was appointed as Executive Director and Secretary of the CPC Committee of Sinopec Chongqing SVW Chemical Co.Ltd.; in August 2019 he was appointed as General Manager and Deputy Secretary of the CPC Committee of Sinopec Chemical Commercial Holding Company Limited; in December 2020 he was appointed as Executive Director and Secretary of the CPC Committee of Sinopec Chemical Commercial Holding Company Limited Chairman of Sinopec Chemical Commercial Holding (Hong Kong) Co. Ltd. and Deputy General Manager of the Chemicals Department of Sinopec Corp. In April 2024 he was appointed as General Manager of the Chemicals Department of Sinopec Corp. and Executive Director of Sinopec Group Asset Management Co. Ltd.Li Yuxing aged 57. Mr. Li is a professor level senior engineer with a master’s degree. In October 2019 he was appointed as Representative of SINOPEC Guangxi Oil Products Company and Secretary of the CPC Committee of SINOPEC Group Guangxi Oil Products Company; in July 2021 he was appointed as Vice Chairman General Manager and Deputy Secretary of the CPC Committee of Sinopec Marketing Co. Ltd. Deputy General Manager of the Marketing Department of Sinopec Corp. and Vice Chairman and General Manager of Sinopec Sales Industry Co. Ltd. In September 2023 he was appointed as Chairman and Secretary of the CPC Committee of Sinopec Marketing Co. Ltd. General Manager of the Marketing Department of Sinopec Corp. Executive Director of Sinopec Sales Industry Co. Ltd. and Chairman of Sinopec (Hong Kong) Limited.Guo Xusheng aged 59. Mr. Guo is a professor level senior engineer with a Ph.D. degree and an 4academician of the Chinese Academy of Engineering. In June 2016 he was appointed as General Manager and Deputy Secretary of the CPC Committee of Sinopec Exploration Company; in November 2020 he was appointed as Deputy Chief Geologist of Sinopec Corp.; in July 2022 he was appointed as Dean and Deputy Secretary of the CPC Committee of Sinopec Group Petroleum Exploration and Production Research Institute and Executive Director and General Manager of Sinopec Petroleum Exploration and Production Research Institute Co. Ltd. In January 2024 he was appointed as Chief Geologist of Sinopec Corp.Liu Jiahai aged 58. Mr. Liu is a professor level senior engineer with a Ph.D. degree. In August 2018 he was appointed as Representative of Sinopec Wuhan Company Secretary of the CPC Committee of Wuhan Petroleum and Chemical Factory of Sinopec Group Company and Chairman of Sinopec-SK (Wuhan) Petrochemical Company Limited; in July 2022 he was appointed as General Manager of Safety Supervisory Department of Sinopec Corp. In May 2023 he was appointed as General Manager of Department of Health Safety and Environmental Protection of Sinopec Corp.Save as the positions disclosed in the biographies above the above senior management did not have any related relationship with Sinopec Corp. any Director Supervisor senior management de facto controller or shareholder with more than 5% equity interests in Sinopec Corp. As of the date of this announcement the above senior management did not hold any share of Sinopec Corp. and there are no circumstances where he/she is not qualified for nomination as a senior management member in a listed company as stipulated under Rule 3.2.2 of the Shanghai Stock Exchange Self-Regulatory SupervisionGuidelines for Listed Companies No. 1 –Standardized Operation (《上海证券交易所上市公司自律监管指引第1号——规范运作》). 5