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MD&A Q4_2018 (Eng.) February 21, 2019 Subject : Yearly Management Discussion and Analysis of 2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

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

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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

November 14, 2019 Re: Clarification of the operating results of company and its subsidiaries for the nine month periods ended September 30, 2019 To: President The Stock Exchange of Thailand K.C

. (66)2-9063242-50 e-mail: info@halcyon.co.th No. CS-2563/002 27 February 2020 Subject: Resolution of the Board of Directors’ Meeting No.1/2020 Attention: Directors and Managers, The Stock Exchange of

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