1 No. EPG-CS-012-2017 12 December 2017 Subject: Acquisition of business in Australia To: President The Stock Exchange of Thailand The Eastern Polymer Group Public Company Limited (the “Company

is https://www.sec.or.th/TH/Documents/SECWorkingPapersForum/working-paper-forum-25611128-market.pdf 17085351.pdf the offering price based on financial position, performance, Book Value per share, Book

in blue. No. ORI 48/2017 31 July 2017 Subject: The Disposal of Asset of the Company Attention: President Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Disposal of Asset of the

Page 1 of 9 Ref. PDI/BK-BS-049/2017 31 August 2017 To: President The Stock Exchange of Thailand Re: Acquisition of shares in Symbior Elements Pte. Ltd. Enclosure: Information Memorandum regarding the

Disposal of Asset of the Company Attention: President Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Disposal of Asset of the Company (1st) 2. Information Memorandum on the Disposal

-1- November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock

www.ucity.co.th (-Translation-) Ref. No. U.SET 004/2020 31 March 2020 Subject: Acquisition and Disposal of Ordinary Shares in Joint Venture Companies To: The President The Stock Exchange of Thailand U City Public

571,515,007 shares at the value of Baht 1 per share. Number of shares sale : 249,666 shares. Price per share : Baht 65.52 , by selling via the Stock Exchange of Thailand. The sale price is the agreed price

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 To: The President The Stock Exchange of Thailand Enclosure

Ref.No.IVL004/10/2017 10th October 2017 President The Stock Exchange of Thailand Subject: Acquisition of 100 percent of the Film and Polymer business of DuPont Teijin Indorama Ventures Public Company Limited