24 July 2018 To: The President The Stock Exchange of Thailand Re: Q2-2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2-2018 (Apr-Jun

26 October 2018 To: The President The Stock Exchange of Thailand Re: Q3-2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q3-2018 (Jul-Sep

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

27 April 2020 To: The President The Stock Exchange of Thailand Re: Q1-2020 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s

No. CC20200204ELE February 28, 2020 Re: Clarification of the changes in operation performance for the year ended 31 December 2019 Attn: The President The Stock Exchange of Thailand Cal-Comp

Stock Exchange of Thailand Cal-Comp Electronics (Thailand) Plc. (“the Company”) would like to submit the analysis performance for the third quarter and the nine-month period ended September 30, 2017

: EIC-AD052/2017 November 13, 2017 Subject: Management Discussion and Analysis of the Operating Performance for Quarter 3 Ending September 30, 2017 To: President and Director The Stock Exchange of

No No. CC20190505ELE May 14, 2019 Re: Clarification of the changes in operation performance for the first quarter ended 31 March 2019 Attn: The President The Stock Exchange of Thailand Cal-Comp

No. CC20180803ELE August 14, 2018 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June 2018 Attn: The President The Stock Exchange of

No No. CC20200505ELE May 12, 2020 Re: Clarification of the changes in operation performance for the first quarter ended 31 March 2020 Attn: The President The Stock Exchange of Thailand Cal-Comp