-1- AIT (VP-SEC) 022E/2021 November 9, 2021 Subject: Management's Discussion and Analysis of Operating Results for Q3-2021 To: The President of the Stock Exchange of Thailand Summary of Operations Q3

-1- AIT (VP-SEC) 022E/2022 August 11, 2022 Subject: Management's Discussion and Analysis of Operating Results for Q2-2022 To: The President of the Stock Exchange of Thailand Summary of Operations Q1

No. ADD 25/2022 9 August 2022 Subject: Management discussion and analysis for the performance for the six-month period ended 30 June 2022 To: President The Stock Exchange of Thailand AddTech Hub

No. ADD 31/2022 8 November 2022 Subject: Management discussion and analysis for the performance for the nine-month period ended 30 September 2022 To: President The Stock Exchange of Thailand AddTech

No. ADD 20/2023 10 August 2023 Subject: Management discussion and analysis for the performance for the six-month period ended 30 June 2023 To: President The Stock Exchange of Thailand AddTech Hub

No. ADD 22/2023 9 November 2023 Subject: Management discussion and analysis for the performance for the nine-month period ended 30 September 2023 To: President The Stock Exchange of Thailand AddTech

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

and Allocation of Securities to the Specific Investor (Private Placement) (Amendment 2) To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Acquisition of

Allocation of Securities to the Specific Investor (Private Placement) (Amendment 3) To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Acquisition of Assets and