., the subsidiary of the Company, and change in the accounting policy regarding the record of the land appraisal To: President The Stock Exchange of Thailand Attachment: Information Memorandum on the Asset

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

Ref. No. IVL 004/02/2020 26 February 2020 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of

Ref. No. IVL 005/11/2019 11 November 2019 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

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

year 2020. Most of total liabilities were deposits, accounting for 87.4% of total liabilities. Owners’ Equity As of 31 March 2021, owners’ equity amounted to Baht 38,484.9 million, decreased by Baht

Ref. No. IVL 002/05/2020 12 May 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

marketable equity securities from available-for-sale securities to trading securities which were partially sold in 2019. On 27 December 2019, the Company sold partially the investment in NR Instant Produce Plc

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

Ref. DBP. 141 / 2017 November 13, 2017 Subject : Clarification on Operating Results for the 3-Month Period and 9-Month Period ending September 30, 2017 To : President The Stock Exchange of Thailand