., 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

determination of record date and the date of 2020 Annual General Meeting of Shareholders) To: President The Stock Exchange of Thailand Attachment: 1. Financial assistance to KT Medical Service Company Limited 2

Ref. No. IVL 003/08/2020 13 August 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

to high domestic ethanol stock, and the increasing aggregate domestic production capacity. Natural Resources Business Group recorded soften performance though the Company still realized additional

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended) To: The President The Stock Exchange of Thailand

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 2) To: The President The Stock Exchange of

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 3) To: The President The Stock Exchange of

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 Demeter

by THB 34.5 million. • Deposit for hotel management right in Singapore increased by THB 74.8 million. • Other non-current assets increased by THB 103.9 million, resulted from withholding tax refundable

Ref. No. IVL 002/05/2019 7 May 2019 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review Financial Statements and the Management Discussion and Analysis of Indorama