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

Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No OCEAN Mr. Jirat Tritrakulchai Disposition Stock 6.3018 1.7105

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No XPG ELEVATED RETURNS LLC Disposition Stock 7.9717

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No WAVE THANAVARIN COMPANY LIMITED Acquisition Stock

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No JTS Mrs. Lalana Tharasuk Acquisition Stock 4.9968

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No CIG Mr. Komet Pechanunt Acquisition Stock 1.2007 6.5027

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No UBIS Mr. Nant Kitayanutkul Acquisition Stock 54.9932

Acquisition Stock 59.9965 0.0053 60.0018 30/08/2023 59.9965 0.0053 60.0018   246025952309-1 NINE SILOM ROAD LIMITED Disposition Stock 17.5341 2.9568 14.5773 22/08/2022 17.5341 2.9568 14.5773   246020362208-1

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (amended) To The President The Stock

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (Amended No.2) To The President The Stock