@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

2nd quarter ended 30 June 2019 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial information for the 2nd quarter ended 30 June 2019, as submitted by the Company

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

& business plan • Use of ICO proceeds • Key milestones • Type / legal structure of entity running the project • Team members / advisors • Financial information / track records (if available) • Key risks

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

cooperate with the SEC in our collective efforts to combat financial crimes.” Mr. Kamolsit Wongbutnoi, Assistant Secretary-General of the Anti-Money Laundering Board, the Anti-Money Laundering Office (AMLO

commenced after all conditions are completed. For more detail, see “Resolutions of the Board of Directors Meeting Regarding Connected Transaction on the Offer to Tender the Entire Ordinary Shares of CSL

2018, MACO’s Board of Directors resolved to approve the cash dividend payment from the operating results of 2H 2017 at THB 0.018 per share (a total of THB 62mn) to the shareholders of the Company whose

% 18.5% Adjusted net profit margin 20.3% 23.2% 24.5% Note: The Company restated its 3Q 2016/17 financial performance after the consolidation of Rabbit Group under the common control basis. 1Adjusted for