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

Public Company Limited Management Discussion and Analysis Operating Results for the period as at 30 Jun 2018 Page 2 of 4 T.K.S. TECHNOLOGIES THB ‘000 Property, plant and equipment 678,347 Other intangible

ที่ FPI Ref. FPI.024/2018 12 November 2018 Subject : Management Discussion & Analysis of Performance Results of Quarter 3/2018 To : Board of Directors and President of The Stock Exchange of Thailand

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

77/1 SOI RUAM SIRI MIT,CHOM PHON, CHATUCHAK, BANGKOK 10900 Tel. 02 093 1681- 3 Fax. 02 093 1684 Website: www.eicasia.net Page 1 of 4 (Translation) Ref: EIC-AD003/2020 2 March 2020 Subject: Management

(Translation) Ref: EIC-AD012/2020 14 May 2020 Subject: Management Discussion and Analysis for the Performance for the three-month period ended 31 March 2020 To: President The Stock Exchange of Thailand The Board

@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

Microsoft Word - MD&A-E-mh-FA-nn.docx 1 Ref: CSO 016/2020 Date: 7th May 2020 Subject: Management Discussion and Analysis Quarter 1 Ending 31st March 2020 Attention: President The Stock Exchange of

Translation DIMET AC 2008/001 August 31, 2020 Subject Management Discussion and Analysis for business operation year 2019 (July 1, 2019 - June 30, 2020) To The Manager and President The Stock

disclosure of non-financial information, for example, management  discussion and analysis (MD&A), CG statement and CSR report. (2) Enforcement: Points of positive assessment include the determination of listed