China Petrochemical Development Corporation announced the change of company CEO. Date of occurrence of the change: March 13, 2023. Name, title, and resume of the previous position holder: Ruey-Long Chen /Chairman, CPDC Minister, Ministry of Economic Affairs, R.O.C. Chairman, Sinocon Industrial Standards Foundation Secretary-General, Cross-Strait CEO Summit.

Type of personnel changed: CEO. Reason for the change: Term expired. Effective date: March 27, 2023.

Any other matters that need to be specified: In accordance with the key promotion measures of corporate governance 3.0 and to strengthen good corporate governance, the Chairman of the Board of Directors of the Company concurrently serves as the Chief Executive Officer does not intend to renew after the expiration of the term of office of the Chief Executive Officer.