October 11, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended as at December 31, 2018 To: President The Stock Exchange of Thailand K.C. Property

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- ร่าง - 1 May 28, 2019 Subject Management Discussion and Analysis for the year ended 31st March 2019 To President of the Stock Exchange of Thailand Secretary of the Office of Securities and Exchange

30, 2019 To : President The Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis of significant changes for the

Transaction in accordance with the Securities and Exchange Commission and Stock Exchange of Thailand Notifications, total 8.96 million Baht, which is calculated to be 0.08% of the Company’s Net Tangible Assets

Analysis Q2/2020 IR63/013 13 August 2020 Subject Management Discussion and Analysis for the second quarter ended 30 June 2020 Attention President The Stock Exchange of Thailand According to the resolution of

, The Stock Exchange of Thailand With respect to the financial statements for the year ended 31 December 2019, as submitted by the Company, which has been audited by the external auditor, considered by

. (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

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

-month period ended March 31, 2020 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2020 of WIIK Public Company