Ref.No.IVL004/11/2017 9th November 2017 President The Stock Exchange of Thailand Subject: Acquisition of PTA and Utility assets in Portugal Indorama Ventures Public Company Limited (“IVL”) would like to inform

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661 6664-5 www.indoramaventures.com Ref.No.IVL004/06/2018 19 th June 2018 President The Stock Exchange of Thailand Subject: Formation of Joint Venture in USA with Huvis Global Corporation Indorama

exchange for the mining property rights over the two mines in Indonesia, at the total amount of USD731 million. After considering the disclosed information, the SEC questioned its appropriateness and the

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