661 6664-5 www.indoramaventures.com Ref.No.IVL005/03/2020 19th March 2020 President The Stock Exchange of Thailand Subject: Update on the construction of the integrated PTA-PET assets in Corpus Christi

(-Translation-) Ref. No. U.SET 027/2018 June 4, 2018 Subject: Acquisition of 50 percent of ordinary shares in the subsidiaries of Sansiri Public Company Limited To: The President The Stock Exchange

November 1, 2017 Re: Clarification on Extension of the Acquisition and Subscription of Shares in Hero Experience Co., Ltd. To: President The Stock Exchange of Thailand As Demeter Corporation Public Company

(-Translation-) Ref. No. U.SET 033/2018 September 4, 2018 Subject : Acquisition of 50 percent of ordinary shares in UBM + VH Hotels GmbH To : The President The Stock Exchange of Thailand U City

(-Translation-) Ref. No. U.SET 001/2019 January 7, 2019 Subject : Acquisition of ordinary shares in Glamford Investments sp. z o.o. To : The President The Stock Exchange of Thailand U City Public

(-Translation-) Ref. No. U.SET 022/2019 September 20, 2019 Subject : Acquisition of ordinary shares in Trebren Investments Sp.z.o.o. To : The President The Stock Exchange of Thailand U City Public

www.bangkokbank.com Ref.: OP.435/2019 12 December 2019 Re: Entering into a Share Purchase Agreement for the Acquisition of a Majority Shareholding in PT Bank Permata Tbk To: President The Stock Exchange of Thailand

661 6664-5 www.indoramaventures.com Ref.No.IVL001/01/2019 2nd January 2019 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of the integrated PTA- PET assets

Rules for Operation of Derivatives Exchange

1 No. CC20191104ELE November 12, 2019 Subject Report of the Resolutions of Board of Directors’ Meeting No.5/2019 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal