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

No. CC20190804ELE August 13, 2019 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June, 2019 Attn: The President The Stock Exchange of

No. CC20181103ELE November 12, 2018 Re: Clarification of the changes in operation performance for the third quarter and the nine- month period ended 30 September 2018 Attn: The President The Stock

: President The Stock Exchange of Thailand According to JAS Asset Public Company Limited (the “Company”) Meeting Resolution No. 7/2019 on 11 November 2019, the resolution to certify the Company’s financial

-9320 1 Ref: PLC 2019/011 November 13, 2019 Subject: Management Discussion and Analysis Quarter 3 Ended 30 September 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

หนังสือแสดงการรับทราบความผิด 14 May 2020 Subject : Management Discussion and Analysis of the first quarter 2020 ended 31 March 2020 Attn. : Director and Manager The Stock Exchange of Thailand Encls

Stock Exchange of Thailand With reference to Kang Yong Electric Public Company Limited’s submission of financial statements for quarter 1/2020 (April 2020 – June 2020) duly reviewed by a certified public

- Translation - 13 August 2020 Subject: Management’s Discussion and Analysis for the Operating Results of the Second Quarter of 2020 Attention: The President of the Stock Exchange of Thailand Exotic

No No. CC20200806ELE Aug 13, 2020 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June 2020 Attn: The President The Stock Exchange of

@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