Page 316 - 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
Relationship Working Experiences in the 5 preceding years
Name - Surname / Position / Age Education / Training % between Organization / Company / Type of
Date of Appointment Shareholding Directors and Duration Position Business
(1)
Executives
 Business Administration for Executive Program, National 2019 – 2020 Director Mekong Wind Power Joint Stock Company
Petrochemical Public Company Limited (1994) 2017 – 2020 Director Kolpos Pte. Ltd.
2017 – 2020 Director WHA Eastern Seaboard NGD4 Co., Ltd.
2016 – 2020 Director WHA Eastern Seaboard NGD2 Co., Ltd.
2016 – 2020 Director Gulf International Investment (Hong Kong)
Ltd.
2015 – 2020 Director Gulf WHA MT Natural Gas Distribution
Co., Ltd.
2015 – 2020 Director Gulf MP Co., Ltd.
2015 – 2020 Director Gulf JP NNK Co., Ltd.
2015 – 2020 Director Gulf JP NLL Co., Ltd.
2015 – 2020 Director Gulf JP CRN Co., Ltd
2015 – 2020 Director Gulf JP KP1 Co., Ltd.
2015 – 2020 Director Gulf JP KP2 Co., Ltd.
2015 – 2020 Director Gulf JP TLC Co., Ltd.
2015 – 2020 Director Gulf JP NK2 Co., Ltd.
2015 – 2020 Director Gulf Energy Co., Ltd.
2015 – 2020 Director Gulf IPP Co., Ltd.
2015 – 2020 Director Gulf Cogeneration Co., Ltd.
2015 – 2020 Director Gulf Power Generation Co., Ltd.
2015 – 2020 Director Gulf Yala Green Co., Ltd.
2015 – 2020 Director Nong Khae Cogeneration Co., Ltd.
2015 – 2020 Director Samutprakarn Cogeneration Co., Ltd.
2014 – 2020 Director Gulf VTP Co., Ltd.
2014 – 2020 Director Gulf TS1 Co., Ltd.
2014 – 2020 Director Gulf TS2 Co., Ltd.

Attachment 1 Page 4