asset. Please be informed accordingly, Yours faithfully, (Mr. Narakorn Ratchapolsitte) http://www.eurekadesign.co.th/ Eureka Design Public Co., Ltd. 19 Moo 11 Tambon Ladsavai, Amphur Lamlukka, Pathumthani

. Please be informed accordingly, Respectfully yours, -Weera Louwitawas- (Mr. Weera Louwitawas) Chief Excutive Officer

auditor. Please be informed accordingly. Yours faithfully, (Mr. Sommat Khunset) Managing Director

debentures of Baht 2,362 million. Please be informed accordingly, Respectfully yours, -Weera Louwitawas- (Mr. Weera Louwitawas) Chief Excutive Officer

investors accordingly. Please be informed accordingly. Sincerely yours, (Mr. Chawalit Tippawanich) President and Chief Executive Officer Global Power Synergy Public Company Limited Investor Relations Division

Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer

Company Limited ______________________________ (Mr. Pete Bodharamik) Chief Executive Officer

Company Limited (Mr. Wiroj Bunsirirungruang) Senior Executive Vice President and Company Secretary

2018. Such increase stemmed from an increase in revenue from sales and gross profit margin. Please be informed accordingly. Sincerely yours, -Signed- (Mr. Jittiporn Jantarach) Managing Director Sales

-recurring expense for the current period. Please be informed in accordingly. Your sincerely, (Mr. Amarit Sukhavanij) Chief Executive Officer