25 July 2017 To: The President The Stock Exchange of Thailand Re: Q2-2017 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2- 2017 (Apr-Jun

person. Attention : The President of the Stock Exchange of Thailand Far East DDB Public Company Limited (“Company”) would like to inform the resolutions of the Board of Directors Meeting of the Company No

S&P MD&A 2017 -1- Ref. POL. 028/2018 February 23, 2018 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P Syndicate

S&P MD&A 2017-Revised Year In Comparison Table -1- Ref. POL. 028/2018 February 23, 2018 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock

-months period ending 31 March 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and

S&P MD&A Q3_2018-ENG -1- Ref. POL. 119/2018 November 09, 2018 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P

, 2018 To : President The Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis for the quarter ended September 30, 2018

(Translation) UAC.CS/021/2018 November 14, 2018 Subject: Explanation of the operating results for the third quarter period ended September 30, 2018 To: President The Stock Exchange of Thailand

Justification_E_4-62 NO. AC. 01/2020 28 February 2020 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M. K. Real Estate

Analysis for the first quarter 2020 of Seven Utilities and Power Public Company Limited To: The President The Stock Exchange of Thailand Seven Utilities and Power Public Company Limited ( the Company ) would