30 July 2019 To: The President The Stock Exchange of Thailand Re: Q2-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2-2019 (Apr-Jun

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

Notification on the Assets Acquisition of Wattanapat Hospital Trang Public Company Limited As Wattanapat Hospital Trang Public Company Limited (“the Company”) had approved the resolution of its Board

February 18, 2019 To: The President The Stock Exchange of Thailand Re: 2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s 2018 operating

No. ECF2 044/2561 3 December 2018 Subject: Notification of the resolutions of the Board of Directors’ Meeting approving the investment in purchasing the ordinary shares of S-TREK (Thailand) Co., Ltd

- Translation - Ref: IR63/005 23 April 2020 Re: Notification of the resolution of the Board of Directors Meeting No. 5/2020 regarding the determination of the AGM for the year 2020, the issuance and

-2338-3000 Fax: 0-2338-3334 www.nationgroup.com 25 May 2020 Subject : Notification on Resolution of the Board of Directors’ Meeting No. 6/2020, Change of Directors and Directors’ Power, Entering into