Microsoft Word - MDA Q319 EN.docx November 11, 2019 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

@halcyon.co.th No. CS-2563/013 14 August 2020 Subject: Management Discussion and Analysis for the 3-Month Period Ended 31 March 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

M.D. 053/2019 February 13, 2019 Subject : Disclosure of the information connected transactions To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited hereby

หน้าที 1 จาก 5 GEL.CS.019/2560 15 August 2017 Subject Explanation and analysis of management for operating results of the Second Quarter Ended June 30, 2017 To Director and Manager The Stock Exchange

President The Stock Exchange of Thailand Aapico Hitech Public Company Limited (“the Company”) would like to explain the consolidated financial statements of the Company for the 3rd quarter of fiscal year 2022

Ref.No.1905/026EN July 16, 2019 Subject Inform about The Connected Transaction Attention President of the Stock Exchange of Thailand According to the Board of Directors Meeting No.9/2019 of UBIS

Ref.No.IVL001/08/2019 8th August 2019 President The Stock Exchange of Thailand Subject: Acquisition of Integrated Oxides and Derivatives Businesses/ Assets Enclosure: Information concerning the Acquisition of

) May 9, 2018 Re : Report the operating result for the year ended March 31 ,2018 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

discussion and analysis for the year ended December 31, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the audited financial statements of Wiik & Hoeglund Public

(Translation) Ref.No.LEE 01/2020 27 February, 2020 Subject : Management Discussion and Analysis for the year ended December 31, 2019 To : President of The Stock Exchange of Thailand We submit