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

Microsoft Word - MDA FY19 EN.docx February 24, 2020 To President The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent

Thailand Attachment: 1. Information Memorandum on Acquisition of Assets The Board of Directors’ Meeting of Halcyon Technology Public Company Limited No. 1/2020 held on February 26, 2020 passed the important

(Translation) UAC.CS/003/2020 February 27, 2020 Subject: Explanation of the operating results for the year period ended December 31, 2019 To: President The Stock Exchange of Thailand Attachment

operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand According to the Board of Directors’ Meeting of World Corporation

per share) 0.085 Q3/16 Novemb Management Discussion and Analysis (MD&A) Report for Q3/2017 Directors and Manager, The Stock Exchange of Thailand Company limited would like to present the MD&A of 3 rd

Microsoft Word - 2017 Results Notification letter_English February 13, 2018 The Director and Manager The Stock Exchange of Thailand Re: Information concerning Fiscal Year 2017 Operating Results KCE

- Translation - Ref. J61/001 22 February 2018 Subject: Management Discussion and Analysis for Yearly Ending 2017 To: President The Stock Exchange of Thailand Pursuant to JAS Asset Public Company Limited (the

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(Translation) UAC.CS/002/2019 February 28, 2019 Subject: Explanation of the operating results for the year period ended December 31, 2018 To: President The Stock Exchange of Thailand Attachment