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

Division 1 Contacting, Soliciting, or Giving Advice to Client and Performance of Duties as Professional Clause 10.12 In contacting, soliciting or giving advise to the investor or client of a securities

October 2006. (Unofficial Translation) Page 5 of 12 Division 1 Contacting, Soliciting, or Giving Advice to Client and Performance of Duties as Professional Clause 10.12 In contacting, soliciting or giving

Division)

date in the form which can be promptly retrieved and inspected by the Office. Chapter 2 The operation Division 1 Contacting, Soliciting, or Giving Advice to Client and Performance of Duties as

notification of the SEC Office. Chapter 3 Operation --------------------------------------- Division 1 Contacting, Soliciting, or Giving Advice for Customer and Performance of Duties as Professional