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

. 4Core EBITDA is Reported EBITDA less inventory gains/(losses) 5Core EPS is Reported EPS less inventory gains/(losses) less one-time extraordinary items Indorama Ventures 1st Quarter 2018 MD&A 3 Summary We

Profit less Inventory gains/(losses) and one-time extraordinary items. 5Operating Cash Flow is after changes in net working capital and cash tax, before maintenance capex. 4 Business Segments Definitions

Reported EBITDA less Inventory gains/(losses). 4Core Net Profit is Reported Net Profit less Inventory gains/(losses) and one-time extraordinary items. 5Operating Cash Flow is after change in net working

extraordinary items. 5Operating Cash Flow is after changes in net working capital and cash tax, before maintenance capex. Indorama Ventures 2nd Quarter 2020 MD&A 3 Business Segments Definitions IVL now

/(losses) and one-time extraordinary items. 5Operating Cash Flow is after changes in net working capital and cash tax, before maintenance capex. Indorama Ventures 1st Quarter 2020 MD&A 3 Business Segments

.(100) 68.9 (149.2

the Company in the long term. Page 6 4. Description of Asset to be Acquired 4.1) General Information The manufacturing plant of MDF Board has a capacity of 652 cubic meter per day or 195,600 cubic meter

manufacturing plant of MDF Board has a capacity of 652 cubic meter per day or 195,600 cubic meter per year, located in Yi-ngor district, Narathiwat Province, near the raw material resource in 3 southern border

use water more efficiently, and jointly set a demand reduction of 10% during the drought 2. Control water withdrawal from Dokkrai and Nongplalai Reservoirs to not exceed 600,000 cubic meter per day (CMD