, multiple organizations from various sectors have expressed their supports for the development of this system in every process, including the Stock Exchange of Thailand (SET), the Association of Thai

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GFPT PUBLIC COMPANY LIMITED PLANT: 209 MOO 1, TEPARAK RD., K.M. 20.5 BANGSAOTONG, SAMUTPRAKARN 10570, THAILAND TEL. 02-315-9400 FAX: 02-315-9433-6 OFFICE: GFPT TOWER, 312, RAMA 2 ROAD, BANGMOD

26 February 2019 Subject: Management Discussion and Analysis for the Year Ended December 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

19 September 2005 - Translate – Ref. HF 0044 / 2019 February 25th, 2019. Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the

26 February 2018 Subject: Management Discussion and Analysis for the Year Ended December 31, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

15 May 2018 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

19 September 2005 - Translate – Ref. HF 0109/2018 August 6th, 2018. Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the