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

) ( TRANSLATION ) Ref. AIT/19 - 244 July 5, 2019 Subject : Report on Information Memorandum regarding the acquisition of assets To : President The Stock Exchange of Thailand Enclosure : Information Memorandum

assistance To: The President The Stock Exchange of Thailand GFPT Public Company Limited ( “ The Company” or “ GFPT” ) , held the Board of Directors’ meeting no. 2/ 2561 on February 28th, 2018, approved the

-Translation- Ref. IR 62/005 March 13, 2019 Subject: transaction yDisclosure of the information regarding related part To : President, The Stock Exchange of Thailand T.K.S. Technologies Public

-Translation- Ref. IR 62/005 March 13, 2019 Subject: Disclosure of the information regarding related party transaction (Additional Information) To : President, The Stock Exchange of Thailand T.K.S

Company’s land (additional disclosure) To: The President The Stock Exchange of Thailand The Board of directors meeting # 8/2019 held on June 4, 2019 has a resolution to sell a piece of land to increase

Committee, Chairman of the Nomination Committee and the connected transaction Attention: President The Stock Exchange of Thailand The Meeting of the Board of Directors of KGI Securities (Thailand) Public

Company Limited Attention: President The Stock Exchange of Thailand The Meeting of the Board of Directors of KGI Securities (Thailand) Public Company Limited (“the Company”) No. 5/2018 held on 23rd August

1 Ref: CK-20-0000-AFD(AC)-L-0042 August 14, 2020 Subject: Clarification on Operating Result and Financial Position for the six-month period ended June 30, 2020 Attention: President The Stock Exchange