Ref.No.IVL006/05/2018 14 th May 2018 President The Stock Exchange of Thailand Subject: Acquisition of Equity stake in Avgol Industries 1953 Ltd., Israel The Board of Directors’ Meeting No. 3/2018 of Indorama

) To: President The Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No

: President The Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No. 8/2017 of

MD&A Q.3'17EN RP-AC 00/201 November 10, 2017 Subject: Clarification of Q3/17 Operating Results To: Directors and Managers of the Stock Exchange of Thailand Richy Place 0110 Public Company Limited

S&P MD&A Q3-2017 -1- Ref. POL. 136/2017 November 13, 2017 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P

S&P MD&A YE2018-ENG -1- Ref. POL. 029/2019 February 27, 2019 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P

capital To: President The Stock Exchange of Thailand The Extraordinary General Meeting of WCI Holding Public Company Limited (“WCIH”), subsidiary company of E for L Aim Public Company Limited (“EFORL”), no

ที่ กตพ Ref. DBP.045 / 2019 March 19, 2019 Subject : Information Regarding Acquisition of Machinery for Fiber Cement Tile Production (NT-11) To : President The Stock Exchange of Thailand The Board of

100 percent shares held by the Company, to acquire the additional ordinary shares in the amount of 16,875 shares, equivalent to 30 percent of the total shares of COMASS from the Seller at the purchase

. 1/2020 Company 99.99 perc Around The percent of share), amo Ac 49 percent per share), equivalent t Around the of the total resulting in B.E. 2535 ( Registered Registered capital Total numb of shares