Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for second quarter of the year 2019 ended June 30

Ref. No. IVL 007/08/2018 Aug 6, 2018 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of Indorama

Ref. No. IVL 002/11/2018 Nov 8, 2018 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of Indorama

Attention: President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for first 9 months of the year 2019

bidding of the U-Tapao International Airport and Eastern Aviation City Development project to the Royal Thai Navy, which under the public private partnership (March 2019) 7. The Bangkok Air Aviation

Attn: President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for first quarter of the year 2020

Attn President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for the second quarter of the year

and Refresher Training Course In June 2020, U-Tapao International Airport and Eastern Airport City Development Project Signing Ceremony, between the Eastern Economic Corridor Office of Thailand (EECO

0 ] Ref. No. IVL 001/05/2021 6 May 2021 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

paid up; “Stock Exchange” means the Stock Exchange of Thailand; “related person” means the related person under the Notification of the Capital Market Supervisory Board concerning the Related Party