Acc. 006/2018 August 9, 2018 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 2/2018 Dear Sir, S. Khonkaen Foods Public Company Limited

Acc. 008/2018 November 8, 2018 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 3/2018 Dear Sir, S. Khonkaen Foods Public Company

14 November 2018 Subject: Management Discussion and Analysis for the Nine-Month Period Ended September 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC005/2018 November 14, 2018 Subject : The company’s operating result of the 3rd quarter of year 2018. To : The president, The Stock

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC004/2019 November 13, 2019 Subject : The company’s operating result for the 3rd quarter of year 2019 To : The president, The Stock

-TRANSLATION- 14 November 2019 Subject : Management Discussion and Analysis for Q3/2019 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance

Analysis for the year 2019 (Ending December 31, 2019) (Revise Template) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC001/2020 February 28, 2020 Subject : The company’s operating result for the year 2019 To : The president, The Stock Exchange of

February 28, 2020 SET-20-AC-001 Dear The President The Stock Exchange of Thailand Subject : Clarification of Result’s Operation for the year ended 31 December 2019 According to the resolution 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