PTT Exploration and Production Public Company Limited announced that Mr. Dechapiwat Na Songkhla has resigned from the positions of Director and Member of the Audit Committee. His resignation is effective from 1 January 2023 onwards. The Company's Board of Directors Meeting No.

15/2565/524 held on 18 November 2022 passed resolutions to elect Mr. Wuttikorn Stithit to be a director in replacement of Mr. Atikom Terbsiri who resigned from PTTEP directorship, and appoint Mr. Wuttikorn Stithit to be a member of the Risk Management Committee. The Company's Board of Directors Meeting No. 17/2565/526 held on 16 December 2022 passed resolutions to elect Lieutenant General Nithi Chungcharoen to be a director in replacement of Mr. Dechapiwat Na Songkhla who resigned from PTTEP directorship.

The appointment shall become effective from 1 January 2023 onwards with the State Enterprise Policy Committee's approval on the appointment of Mr. Wuttikorn Stithit and Lt. Gen. Nithi Chungcharoen.

Mr. Wuttikorn Stithit: Director; Age: 57 Years; Starting date of the position: 1 January 2023. Education: Bachelor degree, Electrical Engineering, King Mongkut's Institute of Technology Ladkrabang, Thailand; Master Degree, M.S. Science (Industrial & System ENGR), Ohio University, U.S.A.; Master of Business Administration (Finance and Banking), Kasetsart University, Thailand. Other directorship /executive positions at present: Other listed companies: April 1, 2019 - Present, Director, Global Power Synergy Public Company Limited; October 1, 2022 - Present, Chief Operating Officer, Upstream Petroleum and Gas Business Group, PTT Public Company Limited (PTT); Non listed companies: February 1, 2019 - Present, Chairman, PTT Global LNG Company Limited; September 30, 2019 - Present, Chairman, PTT Natural Gas Distribution Company Limited; Useful Past Experiences for PTTEP: November 1, 2014 - October 31, 2015 Executive Vice President, Natural Gas Distribution, PTT Public Company Limited (PTT); November 1, 2015 - January 31, 2019 Executive Vice President, Natural Gas Supply & Trading, PTT Public Company Limited (PTT); February 1, 2019 - September 30, 2022 Senior Executive Vice President, Gas Business Unit, PTT Public Company Limited (PTT).

Lieutenant General Nithi Chungcharoen; Independent Director; Age: 51 Years; Starting date of the position: 1 January 2023; Education: Bachelor of Science, Chulachomklao Royal Military Academy; Master of Engineering (Mechanical), Stevens Institute of Technology, New Jersey, U.S.A.; Other directorship /executive positions at present: Non-listed companies: November 15, 2022 - Present Director, Metropolitan Electricity Authority; Useful Past Experiences for PTTEP: September 22, 2014 - Present, Independent Director, Chairman of the Nomination and Remuneration Committee, PTT Global Chemical Public Company Limited; April 1, 2021 - September 30, 2022 Assistant Chief of Staff Officer to Minister of Defence, Ministry of Defense; April 4, 2022 - December 31, 2022 Chairman of the Nomination and Remuneration Committee, PTT Global Chemical Public Company Limited; November 1, 2019 - April 3, 2022 Director to Nomination and Remuneration Committee, PTT Global Chemical Public Company Limited; September 22, 2014 - May 23, 2022 Director to the Corporate Governance and Sustainability Committee, PTT Global Chemical Public Company Limited; October 1, 2020 - March 31, 2021 Staff Officer, Ministry of Defence; April 1, 2019 - September 30, 2020 Expert, Royal Thai Army; October 4, 2018 - Mar 31, 2019 Assistant General Director, 2nd Coordination Centre, Office of Internal Security Coordination, Royal Thai Army; October 1, 2016 - September 30, 2018 Army Attache', Royal Thai Embassy, Canberra, Australia.