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

holding segment 3Core EBITDA is Reported EBITDA less Inventory gains/(losses) 4Core Net Profit is Reported Net Profit less Inventory gains/(losses) one-time extraordinary items 5Operating Cash Flow is after

one-time extraordinary items Indorama Ventures 2nd Quarter 2018 MD&A 3 Summary IVL delivered another record quarter, with improvements in production volumes and margins across all key segments and

Shareholders in Proportion to their Respective Shareholdings and Convening of the Extraordinary General Meeting of Shareholders No. 1/2018 To: President The Stock Exchange of Thailand Enclosure: 1. Information

the Company’s Existing Shareholders in Proportion to their Respective Shareholdings and Convening of the Extraordinary General Meeting of Shareholders No. 1/2018 (First Amendment) To: President The

Shareholders in Proportion to their Respective Shareholdings and Convening of the Extraordinary General Meeting of Shareholders No. 1/2018 (Second Amendment) To: President The Stock Exchange of Thailand

Extraordinary General Meeting of the Shareholders No. 1/2561, Plans for listing CAZ (Thailand) Co., Ltd. on the Market of Alternative Investment (mai) – Revised Attention The President The Stock Exchange of

Extraordinary General Meeting of the Shareholders No. 1/ 2 5 6 1 , Plans for listing CAZ (Thailand) Co., Ltd. on the Market of Alternative Investment (mai) – Revised 2 Attention The President The Stock Exchange

Extraordinary General Meeting of the Shareholders No. 1/ 2 5 6 1 , Plans for listing CAZ (Thailand) Co., Ltd. on the Market of Alternative Investment (mai) – Revised 3 Attention The President The Stock Exchange

Extraordinary General Meeting of the Shareholders No. 1/ 2 5 6 1 , Plans for listing CAZ (Thailand) Co., Ltd. on the Market of Alternative Investment (mai) – Revised 4 Attention The President The Stock Exchange