UNOFFICIAL TRANSLATION Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. The SEC, Thailand can neither undertake

Reference is made to the disclosure made by Indorama Ventures Public Company Limited (“IVL”) on 2nd November 2018 regarding the acquisition of a 100% stake in M&G Fibras Brasil Ltda. located in Cabo de Santo

Ref.No.IVL003/10/2017 05th October 2017 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of the Tire Cord business of DuraFiber in France With reference to the

Ref.No.IVL012/11/2017 30th November 2017 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of the PTA and Utility assets in Portugal With reference to the disclosure

and Mexico Reference is made to the disclosure made by Indorama Ventures Public Company Limited (“IVL”) on 11th December 2018 regarding the acquisition of a 100% stake in UTT Beteiligungsgesellschaft

Germany Reference is made to the disclosure made by Indorama Ventures Public Company Limited (“IVL”) on 20th December 2018 regarding the acquisition of a 100% stake in the PET business of INVISTA Resins

-Translation- M06/005/18 May 15, 2018. Subject Clarification of Q1/2018 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

Ref.No.IVL011/05/2018 25th May 2018 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of PET Business in Brazil With reference to the disclosure made by Indorama

Czech Republic and Slovakia With reference to the disclosure made by Indorama Ventures Public Company Limited (“IVL”) on June 29th, 2018 regarding the acquisition of 100% Equity stake in KORDÁRNA Plus a.s

With reference to the disclosure made by Indorama Ventures Public Company Limited (“IVL”) on July 19th, 2018 regarding the acquisition of 74% of the share capital of Medco Plast for Packing and Packaging