ผลิตภัณฑ์ Filing Other Information Tender Offer List of management who submitted the changes in securities holding report (59-2) Reports on Acquisition or Disposition of Securities (246-2) Financial

1 EFORL 031/2017 August 15, 2017 Subject: Notification the waiver of subscription right to capital increase of WCI Holding Co., Ltd. To: President The Stock Exchange of Thailand Ref: Letter no. EFORL

- Translation - LPH/SET/2017/024 October 2, 2017 Subject : Schedule for the date and agenda of the Extraordinary General Meeting of the Shareholders No.1/2017 (Revised) To : President The Stock

ที่ กม (TRANSLATION) No. Gor.Mor. 25/2561 May 15, 2018 President The Stock Exchange of Thailand Dear Madam, Transaction of Warehouse Lease with Related Persons The Board of Directors’ Meeting of

According to the referral from the Stock Exchange of Thailand (SET) in April 2024 and the SEC’s further investigation, it was found that on 22 January 2024 at 14.00 hours, JKN, led by Jakkaphong, CEO

from holding the director and executive positions at any securities issuing company and listed company. According to the referral from the Stock Exchange of Thailand (SET) and the SEC's further

inside information to buy the company's shares. He was subject to a civil penalty of 500,000 baht, as a resultFollowing a referral from the Stock Exchange of Thailand (SET), the SEC conducted further

the Agenda of the Extraordinary General Meeting of the Shareholders No. 1/2019. (Amendment 3) To : The Directors and Managing Director. The Stock Exchange of Thailand. The Board of Director‟s Meeting of

Ref.No.IVL004/03/2018 21st March 2018 President The Stock Exchange of Thailand Subject: Indorama Ventures enters into a Joint Venture to acquire the integrated PTA- PET assets in Corpus Christi, Texas, USA

661 6664-5 www.indoramaventures.com Ref.No.IVL005/06/2018 29 th June 2018 President The Stock Exchange of Thailand Subject: Acquisition of Tire-Cord Business in the Czech Republic and Slovakia Indorama