: President of the Stock Exchange of Thailand Seamico Securities Public Company Limited (“The Company”) would like to report operating result that have been examined by our auditor for the period ended

Stock Exchange of Thailand The Board of Director’s meeting No. 5/2018 of General Engineering Public Company Limited (“the Company”) held on 14 August 2018 has approved and verified the financial

Ref.No.IVL012/08/2017 15th, August 2017 President The Stock Exchange of Thailand Subject: Acquisition of the Tire Cord business of DuraFiber, Mexico Indorama Ventures Public Company Limited (“IVL”) would like to

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

Discussion and Analysis Quarter 3 Ended 30 Sep 2017 To The President of the Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Results for the three-month and the nine-month

Page 1 No. CMC Sor Lor.009/2019 May 14, 2019 Re: Management Discussion & Analysis for the Period Ended 31 March 2019 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN

and Analysis Quarterly Ending June 30, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 3/2019

S&P MD&A Q2_2019-Eng Ref. POL. 085/2019 August 8th 2019 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P

Stock Exchange of Thailand The Board of Director’s meeting No. 4/2018 of General Engineering Public Company Limited (“the Company”) held on 15 May 2018 has approved and verified the financial statements

Page 1 of 3 GEL.CS.001/2563 2 March 2020 Subject: Management Discussion and Financial Analysis for the operating results as at December 31, 2019 To: Director and Manager The Stock Exchange of