advising the issuer in the preparation of the prospectus การลงลายมือชื่อยินยอมใหเปดเผยชื่อผูจัดเตรียมขอมูลใน หนังสือชี้ชวน (X) I. Document for public inspection เอกสารที่ตองเปดเผยเพ่ือใหผูลงทุนสามารถ

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

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

Ref. No. IVL [002/08/2019] 8 August 2019 The President The Stock Exchange of Thailand Subject: Submission of Quartely Review of Financial Statements and the Management Discussion and Analysis of

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

Thailand. “ derivatives exchange ” means the derivatives exchange established under the Derivatives Act B.E. 2546 (2003) . “ derivatives clearing house ” means the derivatives clearing house established

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

Determination regarding Definition of Institutional Investor and High Net Worth Investor. “client” means user of an intermediary’s services. “Stock Exchange” means the Stock Exchange of Thailand. “derivatives

used in this document is the average foreign exchange rate used by commercial banks with their customers from May 2, 2017 to May 26, 2017 as announced by the Bank of Thailand. Please see further

electricity dispatched to Electricity Generating Authority of Thailand (EGAT) under the SPP – Firm contract. In addition, GPSC has managed to improve the profitability in 2017 as a result of efficient cost