Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 (Revised No.2) To: The President of the Stock Exchange of Thailand Enclosure: 1

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 (Revised No.3) To: The President of the Stock Exchange of Thailand Enclosure: 1

Energy Recovery Unit from Thai Oil Public Company Limited and entry into the relevant agreements (Edited) Attention: President Stock Exchange of Thailand Enclosure: Information Memorandum on Asset

Disposal of Assets Transaction, and Acquisition of Assets Transaction To : Director and Manager The Stock Exchange of Thailand Enclosure Information Memorandum on Acquisition of Assets (Schedule (1)) of

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No DOD Mr. Lampun Puntanaprates Disposition Stock 40.3773

Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No TIP กองทุนบำเหน็จบำนาญข้าราชการ Disposition Stock 7.3727

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No GPSC THAI OIL PUBLIC COMPANY LIMITED Disposition Stock

Stock 15.7137 15.7137 0 24/12/2021 15.7137 15.7137 0   246015642112-1 U WAKATOBI LIMITED Acquisition Stock 0 15.7137 15.7137 24/12/2021 0 15.7137 15.7137   246015652112-1 U ASM CONNAUGHT HOUSE (MASTER

Stock 9.8594 5.8395 4.0199 22/06/2023 9.8594 5.8395 4.0199   246024992306-1 MALEE ABICO HOLDINGS PUBLIC COMPANY LIMITED Disposition Stock 13.7613 3.9019 9.8594 16/06/2023 13.7613 3.9019 9.8594

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No EFORL Mrs. Pimpen Deephanphongs Disposition Stock