strictly for reference. 2 Notification of the Office of the Securities and Exchange Commission No. Sor Thor. 50/2559 Re. Report Forms of Securities Business Operators and Derivatives Business Operators

strictly for reference. Notification of the Office of the Securities and Exchange Commission No. Sor Thor. 50/2559 Re. Report Forms of Securities Business Operators and Derivatives Business Operators

Date : August 11, 2017 Subject : The Explanation to SET concerning the operating result for Q2/2017 more than 20% Attention : The Director and Manager of the Stock Exchange of Thailand For the Q2

Exchange of Thailand To : President The Stock Exchange of Thailand Attachment Preliminary Information Concerning the Listing of Ordinary Shares of Eastern Power Group Public Company Limited on the Stock

Notification of the Capital Market Supervision Board No. 21/2551 RE Rules on Connected Transactions and the Notification of the Stock Exchange of Thailand re Disclosure of Information and Practice of Listed

submitted the proposal of partnership model on 2300MHz to TOT, which is currently in the evaluation process of TOT. Market Environment in 1Q17 On mobile business, the operators continued to promote 4G data

., Ltd. To: President The Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors

-Translation- Ref. No. PorBor. 029 / 2020 19 June 2020 Subject: Entering into Transaction of Disposing of Subsidiary’s Machines for the Debenture Debt repayment To: President The Stock Exchange of

. Jirawud Kuvanant Acquisition Stock 39.5696 1.5301 41.0997 19/12/2019 39.5696 1.5301 41.0997   246002852003-1 B52 นาย ทวี โฆษิตจิรนันท์ Acquisition Stock 0 6.327 6.327 17/05/2019 0 6.327 6.327   2562-0201

securities trading system and other relevant systems of the Stock Exchange. Meanwhile, an information technology system is necessary for securities clearing houses and central securities depositories to