October 28, 2019 To: The President The Stock Exchange of Thailand Re: Q3-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q3-2019 (Jul

November 12, 2004 1/3 No: SN. 130/2019 21 November 2019 Subject: Clarification of Operating Results and Financial Position of the year ended September 30, 2019 Attention: President The Stock Exchange

73 1 / 4 (Translation) Pef. MD 014/2020 14th May 2020. Subj Management Discussion and Analysis (MD&A) Q1/2020 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary

@halcyon.co.th No. CS-2563/014 14 August 2020 Subject: Management Discussion and Analysis for the 6-Month Period Ended 30 June 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

- Translation - Ref : LPH/SET 2020/012 August 14, 2020 Subject : Clarification on the Operating Results for the 3-month and 6-month period ended June 30, 2020 (Q2/2020) To : President The Stock

No. INGRS066 30 March 2021 Subject : Management Discussion & Analysis (MD&A) for the consolidated financial statements for the financial year ended 31 January 2021 To : The President The Stock

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Management Discussion and Analysis for the year ended December 31, 2019 Attention The President The Stock Exchange of Thailand Attachment Report and financial statement for the year ended December 31, 2019

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for the first quarter ended March 31, 2020 Attention The President The Stock Exchange of Thailand Attachment Report and interim financial statement for the first quarter ended March 31, 2020 Firetrade