President The Stock Exchange of Thailand Winner Group Enterprise Public Company Limited (“the Company”) wishes to notify you that the resolutions of the Board of Directors Meeting No. 2/2018 which was held on

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ที่ บช NO. AC. 01/2019 22 February 2019 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M. K. Real Estate Development

ที่ บช NO. AC. 04/2019 14 November 2019 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development

@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

1 No. CC20170804ELE August 10, 2017 Subject Report of the Resolutions of Board of Directors’ Meeting No. 4/2017 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal-Comp

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