0 ] Ref. No. IVL 001/05/2021 6 May 2021 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Acquisition. To: The President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Acquisition of Assets of Hydrotek Public Company Limited 2. Capital Increase Form (F 53-4) 3. Information

concerning Investment of Funds; “business day” means a day on which management companies are open for normal business; “Stock Exchange” means the Stock Exchange of Thailand; “provident fund with multiple

paid up; “Stock Exchange” means the Stock Exchange of Thailand; “related person” means the related person under the Notification of the Capital Market Supervisory Board concerning the Related Party

assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 3) To : President, The Stock Exchange of Thailand Attachment : 1. Capital Increase Report Form (F 53-4) 2

offer for all securities of the business; (8) “business” means a company whose securities are listed on the stock exchange, a company whose securities are traded in the securities trading center, or a

a severe state of drought compared to previous years; resulting in reduced electricity generation capacity of the hydro power plant. Furthermore, during Q1/2020 BCPG Plc. acquired 100% share of “Nam

providing services relevant to renting or using area, as the case may be. “SET” means the Stock Exchange of Thailand. Clause 2 This Notificaiton: (1) contains regulations to be used in conjunction with the

Disposal of Assets, and the Notification of the Board of Governors of the Stock Exchange of Thailand, Re: Disclosure of Information and Other Acts of Listed Companies Concerning the Acquisition and

to the Stock Exchange of Thailand. 4. Details of Acquired Assets After the Company purchase 100 % share of HECH from exsiting shareholder, and investing in newly issued share of GS including an