Page 314 - 56-1 One Report 2022 EN

Attachment 1 Information of Directors, Executives, Controlling Person, Head of Accounting and Finance,
Accounting Controller, and Company Secretary as of 31 December 2022
Name - Surname / Position /
Date of Appointment
2. Mr. Boonchai Thirati 68
 Director
 Vice Chairman of the Board of
Directors
 Member of the Nomination and
Compensation Committee
(Authorized Director)
Date of Appointment
21 October 2021
Relationship Working Experiences in the 5 preceding years
Age Education / Training % between Organization / Company / Type of
(1)
Shareholding Directors and Duration Position Business
Executives
2016 – 2016 Independent Director Pruksa Holdings Plc.
2008 – 2016 Director Praram 9 Hospital Co., Ltd.
Highest Education None None Oct 2021 – Present Director, Vice Chairman of the Thaicom Plc.
 Bachelor of Engineering (Electrical Engineering), Chulalongkorn Board of Directors, and Member
University of the Nomination and
Compensation Committee
IOD Training Programs Position in other listed companies
 Director Accreditation Program (DAP), Class 128/2016 2022 - Present Vice Chairman of the Board of Intouch Holdings Plc.
Directors, and Director
Other Training / Seminars May 2017 – Present Director and Deputy Chief Gulf Energy Development Plc.
 Executive Management with Business Development and Executive Officer
Investment, Class 2/2015, Institute of Business and Industrial Position in other non-listed companies
Development (IBID) Nov 2022 – Present Chairman of the Board of Space Tech Innovation Co., Ltd.
 Environmental Governance for Executive Officer, Class 1/2014, Directors, and Authorized Director
Department of Environmental Quality Promotion, Ministry of 2022 – Present Director Rachakarn Asset Management Co., Ltd.
Natural Resources and Environment and Chulalongkorn 2022 – Present Director All Waste to Energy Co., Ltd.
University
 The Executive Program in Energy Literacy for a Sustainable 2022 – Present Director Chiangmai Waste to Energy Co., Ltd.
Gulf Energy (Vietnam) Limited Liability
2019 – Present
Director
Future, Class 2/2013, Thailand Energy Academy Company
 Administrative Justice for Executives Program, Class 2/2011, the Past Experiences
Administrative Justice Institute, the Office of the Administrative 2021 – 2022 Director Gulf MTP LNG Terminal Co., Ltd.
Courts
 Politics and Governance in Democratic Systems for Executives 2018 - 2021 Executive Director Gulf Energy Development Plc.
Director
Gulf Renewable Energy Co., Ltd.
2021 - 2021
Program, Class 10/2007, King Prajadhipok’s Institute
 Management of Public Economics for Executives, Class 6/2007, 2020 - 2020 Director Gulf Tay Ninh 1 Joint Stock Company
Gulf Tay Ninh 2 Joint Stock Company
Director
2020 – 2020
King Prajadhipok’s Institute
Attachment 1 Page 3