Ref No. CC20170803ELE August 10, 2017 Re: Clarification of the changes in operation performance for the second quarter and the first half ended June 30, 2017 Attn: The President The Stock Exchange of

25 April 2019 To: The President The Stock Exchange of Thailand Re: Q1-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q1-2019 (Jan-Mar

: EIC-AD020/2019 15 May 2019 Subject: Management Discussion and Analysis for the Performance for Three-Month Period ended 31 March 2019 To: President The Stock Exchange of Thailand The Board of Directors

No. CC20190804ELE August 13, 2019 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June, 2019 Attn: The President The Stock Exchange of

: EIC-AD033/2019 13 August 2019 Subject: Management Discussion and Analysis for the Performance for Six-Month Period ended 30 June 2019 To: President The Stock Exchange of Thailand The Board of Directors

: EIC-AD033/2019 13 August 2019 Subject: Management Discussion and Analysis for the Performance for Six-Month Period ended 30 June 2019 (Added Information) To: President The Stock Exchange of Thailand The

No. CC20181103ELE November 12, 2018 Re: Clarification of the changes in operation performance for the third quarter and the nine- month period ended 30 September 2018 Attn: The President The Stock

(Translation) Ref: EIC-AD043/2019 13 November 2019 Subject: Management Discussion and Analysis for the Performance for Nine-Month Period ended 30 September2019 To: President The Stock Exchange of Thailand The

No No. CC20200806ELE Aug 13, 2020 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June 2020 Attn: The President The Stock Exchange of

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