Stock Exchange of Thailand The Meeting of the Board of Directors of WHA Corporation Public Company Limited (“Company”) No. 6/2017 held on 10 November 2017 passed resolutions relating to the sale of and

กรุงเทพฯ 10330 โทร 02 654 3344 โทรสาร 02 654 3323 ทะเบียนเลขท่ี 0107554000232 No. PACE-L19/2018 Date 10 April 2018 Subject Acquisition and Disposition of Assets To: President Stock Exchange of Thailand

; “central securities depository” means any central securities depository according to the Law on Securities and Exchange; “Stock Exchange” means the Stock Exchange of Thailand according to the Law on

Bank of Thailand on an annual basis. Prior approval is not to be sought from the Bank of Thailand before the significant adoption or change in technology. 3. Commercial banks must undertake third party

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

, report or relevant document to the SEC Office within appropriate period, whether general or case-by-case basis without excessive burden to the intermediary , in order to monitor the compliance with this

DCORP 023/2018 February 28, 2018 Subject: Report on the overall operation for year 2017 ended December 31, 2017 and the decrease in the overall operation more than 20 percent. Attention: President Stock

Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP”) (“The Company”) would like to submit the reviewed financial statements for year 2017 ended December 31, 2017. Such financial

Ref. No. IVL 007/05/2018 May 10, 2018 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of Indorama

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