2017 Bangchak Corporation Plc. Table of Contents 7 9 09 8 Refinery Business 13 Marketing Business 14 Green Power Business 16 Bio-Based Products Business 18 Exploration & Production Business 22 26 24

February 21,2020 Subject: Notification of the disposal of in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited Attention: President Stock Exchange of Thailand Demeter

SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ----------------------------- Notification of the

any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ----------------------------- Notification of the Securities and Exchange Commission

. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ----------------------------- Notification of the

interest entities; and - Exercising that responsibility either directly or through independent oversight. Reference : เอกสารแนบ 1 2 https://www.ifiar.org/IFIAR/media/Documents/General/About%20Us/Charter

1 Translation CEN 015-2020 August 14, 2020 Subject Notification on disposal of investment in subsidiaries (Biomass Power Plants Business) of Ua Withya Public Company Limited To The Manager and

, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ----------------------------- Notification of the Office of the

undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ----------------------------- Notification of the Office of the Securities and

undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ----------------------------- Notification of the Office of the Securities and