1 No. LorBor. 11/2019 May 13, 2019 Re: Joint Venture in Pulp Mold Manufacturing Project Attn.: President The Stock Exchange of Thailand Kaset Thai International Sugar Corporation Public Company

661 6664-5 www.indoramaventures.com Ref.No.IVL001/10/2020 26th October 2020 President The Stock Exchange of Thailand Subject: Entering into a new Joint Venture Agreement with Toyobo Co., Ltd in Thailand

Power Plant Project in the Republic of Indonesia On April 7, 2017, RH International (Singapore) Corporation Pte. Ltd. (“RHIS”), an indirect subsidiary, entered into a Joint Venture Agreement to establish

last year which was due primarily to a tax provision amounting to THB 69.5 million we took in connection with a tax proceedings involving our Nguyen Kim joint venture in the year ended December 31, 2018

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

Q2/2018, compared with the same period of 2017, comes from the adjustment of the provision from liabilities in Joint Venture according to the Supreme Court judgment which has previously been recorded

661 6664-5 www.indoramaventures.com Ref.No.IVL005/12/2018 24th December 2018 President The Stock Exchange of Thailand Subject: Integrated PTA-PET assets at Corpus Christi Joint Venture Receives FTC

consider and approve the establishment of a subsidiary in Thailand namely Asia Carabao Venture Company Limited (“ACV”), and in this connection approve ACV to enter into the joint venture agreements together

Australia’s National Electricity Market (NEM). The Project has also entered into EPC Contract, Electrical Connection Agreement, Operation and Maintenance Agreement and other related agreements. RATCH-Australia

“Company”) would like to inform that the Board of Directors no.1/2020 held on 28 February 2020 has resolved to approve in principle on the joint investment in energy business in domestic and international