Registration No. : 0107535000371 No. L001/2020 25th February 2020 Subject : The explanation of operating results for the year 2019 Attention : The President The Stock Exchange of Thailand Dear Sir, For the year

Registration No. : 0107535000371 No. L026/2017 8 th August 2017 Subject : The explanation of operating results for the 2 nd quarter 2017 Attention : The President The Stock Exchange of Thailand Dear Sir, For the

หนังสือแสดงการรับทราบความผิด 28 February 2018 Subject : Management Discussion and Analysis of the year ended 31 December 2017 Attn. : Director and Manager The Stock Exchange of Thailand Encls. : A

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

No. : 0107535000371 No. L039/2018 7th August 2018 Subject : The explanation of operating results for the 2nd quarter 2018 Attention : The President The Stock Exchange of Thailand Dear Sir, For the

Justification_E_2-61 NO. AC. 003/2018 14 August 2018 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M. K. Real Estate

/4   Ref: J61/011 12 November 2018 Subject: Management Discussion and Analysis, 3rd Quarter Ending 30 September 2018 To: President The Stock Exchange of Thailand Regarding to JAS Asset Public Company

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

November 14, 2019 Re: Clarification of the operating results of company and its subsidiaries for the three month period end March 31, 2019 To: President The Stock Exchange of Thailand K.C. Property

November 14, 2019 Re: Clarification of the operating results of company and its subsidiaries for the six months period end of June 30, 2019 To: President The Stock Exchange of Thailand K.C. Property