(English Translation) Page 1 Date : 5 February 2018 Subject : Notification of the Board of Directors’ Resolution Concerning the Plan to Spin Off its Subsidiary and to List Shares on the Stock

Assets (as amended), and the Notification of the Board of Governors of the Stock Exchange of Thailand No. BorJorPor 21/01 Re: Disclosure of Information and Other Acts of Listed Companies Concerning the

July 31, 2020 Subject : Notification to dispose of ordinary shares in RPV Energy Company Limited (2 nd Amendment) Attention : The Director and Manager of the Stock Exchange of Thailand Eastern Power

Commission Notification of the Office of the Securities and Exchange Commission No. OrThor/Nor/Khor. 11/2548 Re: Practical Guideline on Application for Approval and Approval for Appointment of an Executive of

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

and Exchange Commission Notification of the Office of the Securities and Exchange Commission No. OrThor/Nor/Khor. 11/2548 Re: Practical Guideline on Application for Approval and Approval for Appointment

Asset dated 31 August 2008 (as amended) 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

determination of record date and the date of 2020 Annual General Meeting of Shareholders) To: President The Stock Exchange of Thailand Attachment: 1. Financial assistance to KT Medical Service Company Limited 2

according to the Notification of the Capital Market Supervisory Board No. TorJor. 21/2551 Re: Rules on Connected Transactions and the Notification of the Board of Governors of the Stock Exchange of Thailand

Connected Transactions, dated August 31, 2008 (as amended), and Notification of the Board of Governors of the Stock Exchange of Thailand re: Disclosure of Information and other Acts of Listed Companies