Acquisition or Disposal of 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

1 --Translation-- Sor Gor 106/2017 October 20, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Unreviewed) To: The President The Stock Exchange of

1 --Translation-- Sor Gor 113/2017 November 9, 2017 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2017 (Reviewed) To: The President The Stock Exchange of

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

the shareholding in subsidiary companies To: President The Stock Exchange of Thailand Attachment: 1. Structure of the shareholding in subsidiary companies 2. Information on the Connected Transaction of

Extraordinary General Meeting of the Shareholders No. 1/2561, Plans for listing CAZ (Thailand) Co., Ltd. on the Market of Alternative Investment (mai) – Revised Attention The President The Stock Exchange of

Extraordinary General Meeting of the Shareholders No. 1/ 2 5 6 1 , Plans for listing CAZ (Thailand) Co., Ltd. on the Market of Alternative Investment (mai) – Revised 2 Attention The President The Stock Exchange

Extraordinary General Meeting of the Shareholders No. 1/ 2 5 6 1 , Plans for listing CAZ (Thailand) Co., Ltd. on the Market of Alternative Investment (mai) – Revised 3 Attention The President The Stock Exchange

Extraordinary General Meeting of the Shareholders No. 1/ 2 5 6 1 , Plans for listing CAZ (Thailand) Co., Ltd. on the Market of Alternative Investment (mai) – Revised 4 Attention The President The Stock Exchange

December 12, 2018 Subject : Acquisition of 84.50% shares of WPS (Thailand) Co., Ltd. Attention : Director and Manager Stock Exchange of Thailand Enclosure : 1. Memorandum of the Acquisition of Asset