Assistance to connected person, The Acquisition of Asset, Schedule for Extraordinary General Meeting No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Attachments: 1. Information Memorandum

and analysis for the period ended March 31, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2018 of Wiik

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC001/2020 February 28, 2020 Subject : The company’s operating result for the year 2019 To : The president, The Stock Exchange of

ที่มป - Translation - Ref : JKNGB-004-05/2018 May 11, 2018 Re: Information Memorandum on Connected Transaction on Office Space Lease Attn.: President The Stock Exchange of Thailand Enclosure

August 10, 2018 Re: Management Discussion and Analysis for the period 3 months June 30 ,2018 To: The Registrar, Stock Exchange of Thailand Patkol Public Company Limited : Management Discussion and

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