15 May 2019 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

@halcyon.co.th No. CS-2563/014 14 August 2020 Subject: Management Discussion and Analysis for the 6-Month Period Ended 30 June 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

@halcyon.co.th No. CS-2563/003 27 February 2020 Subject: Management Discussion and Analysis for the Year Ended December 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

14 August 2019 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

14 November 2019 Subject: Management Discussion and Analysis for the 9-Month Period Ended September 30, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

@halcyon.co.th No. CS-2563/013 14 August 2020 Subject: Management Discussion and Analysis for the 3-Month Period Ended 31 March 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

661 6664-5 www.indoramaventures.com Ref.No.IVL002/07/2019 30th July 2019 President The Stock Exchange of Thailand Subject: Acquisition of Speciality Fibers Business of Sinterama Indorama Ventures Public

. (66)2-9063242-50 e-mail: info@halcyon.co.th No. CS-2563/002 27 February 2020 Subject: Resolution of the Board of Directors’ Meeting No.1/2020 Attention: Directors and Managers, The Stock Exchange of

connected persons Investing in ordinary shares of Pek Industries Co., Ltd. To : Managing Director The Stock Exchange of Thailand The meeting of the Board of Directors of Pan Asia Footwear Public Company

connected persons Investing in ordinary shares of Pek Industries Co., Ltd. (Additional) To : Managing Director The Stock Exchange of Thailand The meeting of the Board of Directors of Pan Asia Footwear Public