May 12, 2018 Subject: Clarification of Operating Results for The three -month period ended March 31, 2018 Attention: President The Stock Exchange of Thailand Further to our submission of the report

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

No. For.16/2018 July 16, 2018 Subject: Notification of the additional investment in M.K. Real Estate Development Public Company Limited To: The President The Stock Exchange of Thailand Finansa Public

661 6664-5 www.indoramaventures.com Ref.No.IVL003/10/2018 31st October 2018 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of Tire-Cord Business in the

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

661 6664-5 www.indoramaventures.com Ref.No.IVL007/11/2018 26th November 2018 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of worsted wool yarns business

661 6664-5 www.indoramaventures.com Ref.No.IVL004/01/2019 16th January 2019 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of PET Recycling Assets in USA

661 6664-5 www.indoramaventures.com Ref.No.IVL001/10/2019 3rd October 2019 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of Packaging Business in Nigeria

President The Stock Exchange of Thailand 93 Ratchadaphisek Road, Dindaeng, Dindaeng Bangkok 10400 With reference to the letter of Bangkok Post Public Company Limited (“the Company”), No. POST 003/2020 dated 3

three -month period ended June 30, 2020 Attention: President The Stock Exchange of Thailand Further to our submission of the report and the financial statements for the six-month period ended June 30