the Stock Exchange of Thailand CH. Karnchang Public Company Limited hereby informs the resolutions of the Board of Directors’ Meeting No. 1/2019 which was held on February 28, 2019 as follows: 1

Jor. 62/2561 Re: Offer for Sale of Bonds Denominated in Foreign Currency in the Kingdom of Thailand ________________ By virtue of Section 16/6 of the Securities and Exchange Act B.E. 2535 (1992), as

: 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 No. 8/2017 of

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS015/2562 August 08, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

1 Ref: AC.004/2018 26 February 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

Network Services Public Company Limited - Translation - Ref: IR61/009 11 May 2018 Subject: Management Discussion and Analysis, 1st Quarter ending 31 March 2018 Attention: President The Stock Exchange of

/2551 Re: Rules on Connected Transactions and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure and Other Acts of Listed Companies on Connected Transactions, B.E

transaction is deemed to be a transaction on acquisition of assets in accordance with the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of

matter may be outlined according to the eight principles7 prescribed by the Stock Exchange of Thailand, as follows: (1) Fair business practices (2) Anti-corruption (3) Human rights protection (4) Equitable

No. CAZ 002/2019 26 February 2019 Subject: Management Discussion and Analysis Year ended 31 December 2018 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company Limited