73 1 / 3 Pef. MD 004/2018 20th February 2018 Subj Management Discussion and Analysis (MD&A) of 2017 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public Company

25 April 2019 To: The President The Stock Exchange of Thailand Re: Q1-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q1-2019 (Jan-Mar

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

: The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries (collectively as

Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the second quarter of 2019 at the end of 30th June 2019 as follows

No. 256108004 6 August 2018 Subject: Management Discussion and Analysis for 6-month period ended 30 June 2018 To: President The Stock Exchange of Thailand M Vision Public Company Limited (“the

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

IDH-AC-000-อส6302/30.00 20 February 2020 Re: Management Discussion and Analysis Operating results for the year ended 31 December 2019 To: President The Stock Exchange of Thailand Overview of the

หนังสือแสดงการรับทราบความผิด 14 May 2020 Subject : Management Discussion and Analysis of the first quarter 2020 ended 31 March 2020 Attn. : Director and Manager The Stock Exchange of Thailand Encls

No. MVP055/2020 August 13, 2020 Subject: Management Discussion and Analysis for the three – month and six- month periods ended 30 June 2020 To: President and Manager The Stock Exchange of Thailand M