offering of warrant to purchase ordinary shares of the Company to existing shareholders and joint ventures in subsidiary. (Edited) To: The President The Stock Exchange of Thailand Enclosure 1. Capital

of the SEC Office (if any) and/or the conditions for the Stock Exchange of Thailand’s acceptance of securities (if any), including the compliance with such obligations or conditions in the following

required to sumbmit such attachments to the Stock Exchange of Thailand (SET) as well. - 3 - SEC Classification : ใชภ้ายใน (Internal) Part 1 Business Operation and Operating Results 1. Organizational

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 Acquisition and Disposition of

Ref. No. IVL 005/11/2019 11 November 2019 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Ref. No. IVL 002/05/2020 12 May 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

1.4 All i trans perce 1.5 Land vaca ation on the R turing and C r and Manag ock Exchange ation Memor ivestment of Group Public No. 11/2017, material resolu withstand th s, to commit n which it ha o

on Issuance for Sale of Sukuk and Disclosure of Information By virtue of Section 16/6 of the Securities and Exchange Act B.E. 2535 (1992) (SEA), as amended by the Securities and Exchange Act (No. 4

.  Foreign Exchange Regulations The Bank of Thailand issued Notice of the Competent Officer on Rules and Practices regarding the Undertaking of Authorized Money Changers (No. 6), and Notice of the Competent

1 --Translation- Sor Gor 75/2017 July 21, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Unaudited) To: The President The Stock Exchange of Thailand