August 2020 Subject: Management Discussion and Analysis for the Performance for the six-month period ended 30 June 2020 To: President The Stock Exchange of Thailand The Board of Directors of Wow Factor

CWTACC2020/006 August 14, 2020 Subject: Managing Discussion and Analysis for Q2/2020 To: Managing Director The Stock Exchange of Thailand The company would like to report to operating results of the

- 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. INGRS059 14 September 2020 Subject : Management Discussion & Analysis (MD&A) for the consolidated financial statements of the 2nd quarter ended 31 July 2020 To : The President The Stock Exchange

No. KK ELCID 2563/001 October 6, 2020 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2020 To: President The Stock Exchange of Thailand K&K Superstore Southern

26 October 2020 To: The President The Stock Exchange of Thailand Re: Q3-2020 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the

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

27 April 2021 To: The President The Stock Exchange of Thailand Re: Q1-2021 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s

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

of the meeting relation to the acquisition land and buildings at Chiengrai and paying off with shares of WCI Holding PCL., held by EFORL. To: President The Stock Exchange of Thailand CC: Secretary The