May 15, 2019 Subject : Management Discussion and Analysis for quarter ended March 31, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated

and General Manager The Stock Exchange of Thailand Eureka Design Public Company Limited and its subsidiaries (“the Group”) would like to clarify the changes in excess of 20% in the Group’s operating

PERCENT FOR 2nd QUARTER 2018, COMPARED TO THE PREVIOUS YEAR ATTENTION PRESIDENT, THE STOCK EXCHANGE OF THAILAND Khon Kaen Sugar Industry Public Company Limited and its subsidiaries (“KSL”) would like to

(Unreviewed) To : President The Stock Exchange of Thailand Ratchthani Leasing Public Company Limited would like to clarify the management discussion and analysis for the second quarter ended 30 June 2018

30th June 2018 To : Managing Director Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the three-month period at

(Reviewed) To : President The Stock Exchange of Thailand Ratchthani Leasing Public Company Limited would like to clarify the management discussion and analysis for the second quarter ended 30 June 2018

(Unreviewed) To : President The Stock Exchange of Thailand Ratchthani Leasing Public Company Limited would like to clarify the management discussion and analysis for the third quarter ended 30 September 2018

(Reviewed) To : President The Stock Exchange of Thailand Ratchthani Leasing Public Company Limited would like to clarify the management discussion and analysis for the third quarter ended 30 September 2018

1 - TRANSLATION - KT/PB (Q-Con) 004/2019 February 4,2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2018 Quality Construction

: Director and General Manager The Stock Exchange of Thailand Eureka Design Public Company Limited and its subsidiaries (“the Group”) would like to clarify the changes in excess of 20% in the Group’s operating