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

661 6664-5 www.indoramaventures.com Ref.No.IVL004/11/2018 14th November 2018 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of Packaging Business in Egypt

in Europe With reference to the disclosure made by Indorama Ventures Public Company Limited (“IVL”) on October 1st, 2018 regarding the acquisition of 100% equity stake of Schoeller Group in Europe

Reference is made to the disclosure made by Indorama Ventures Public Company Limited (“IVL”) on December 24th, 2018 regarding the acquisition of a PET recycling facility in Alabama, USA from Custom Polymers