บริษัท สำนักกฎหมายธรรมนิติ จำกัด Information memorandum on Acquisition of Assets of Halcyon Technology PLC. (HTECH) Company’s Name Master Carbide Tools Company d/b/a Mastertech Diamond Products

@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

) development of the Financial Competency Framework for Educational Purpose to be adopted as a guideline for appropriate teaching and learning management at each education level, (2) identification of a set of

AC 52/07-003 ACC1/19-042 August 13, 2019 Subject: Management Discussion and Analysis Quarter 2 Ending June 30, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

Mrs. Pornanong Budsaratragoon, SEC Secretary-General, and the Management Team held a meeting with Mr. Renaud Meyer, Resident Representative UNDP Thailand, and Ms. Irina Goryunova, Deputy Resident

and mechanism for risk management, readiness of work systems and personnel, analysis and selection of digital assets to invest, and investment tracking tools, etc. Listed companies should also consider

techniques for assessing and selecting quality auditors, guidance on communication with the auditors, as well as existing mechanism and tools that can promote effectiveness of audit committees’ duties, with