Ref. PDI/BK-BS-011/2019 25th February 2019 Re: Management Discussion and Analysis (MD&A) For the year ended December 31, 2018 To: President The Stock Exchange of Thailand Due to depletion of Mae Sod

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

subsidiaries Ref. PDI/BK-BS-008/2020 20th February 2020 Re: Management Discussion and Analysis (MD&A) For the year ended December 31, 2019 To: President The Stock Exchange of Thailand Padaeng Industry Public

) August 9, 2017 Re : Report the operating result for the year ended June 30 ,2017 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

August 11, 2017 Re: Management Discussion and Analysis for the period 3 months June 30, 2017 To: The Registrar, Stock Exchange of Thailand Patkol Public Company Limited : Management Discussion and

26 February 2018 Subject: Management Discussion and Analysis for the Year Ended December 31, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

February 27, 2018 Subject Management Discussion and Analysis for the Year 2017 Ending December 31, 2017 To President and Director The Stock Exchange of Thailand Electronics Industry Public Company Limited

: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for the year

15 May 2019 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

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