shareholders). Please be informed accordingly, Yours sincerely, (Associate Prof. Dr.Chiraphol Chiyachantana) Authorized person for disclosure of information

2017 was 843.66 Million Baht decreased from 31 December 2016 which was 857.63 Million Baht because dividend payment on 25 May 2017 amounting of 25.00 Million Baht. Please be informed accordingly, Yours

of par value. And The Initial public offering of IPO in September 2017. Please be informed accordingly. Yours sincerely, (Mr.Chane Laosonthorn) Director

payment on 25 May 2017 amounting of 25.00 Million Baht. Please be informed accordingly, Yours sincerely, (Ms. Nita Treeweeranuwat) Vice President tel:02-455-2888

. Please be informed accordingly. Yours sincerely, ( Mr. Wachira Wudhikulprapan ) Managing Director Ratio Analysis :Consolidated Financial Statements 9 mth 9 mth Unit : THB million 2017 2016 Returns

was mainly due to a decrease in gross profit margin and an increase in administrative expenses. Please be informed accordingly. Sincerely yours, -Signed- (Mr. Jittiporn Jantarach) Managing Director

ratio is better because of reducing in total debt of the company. Please be inform accordingly, (Mr. Chaiyasit Samrittivanicha) Managing Director Ratio Analysis Gross Profit Margin (%) Net Profit Margin

described in the Management Discussion and Analysis (MD&A) as attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr

period ended September 30, 2016 was Baht 32.91 million. Please be informed accordingly Yours sincerely, -Signature- (Miss Nilrat Jarumanopas) Chief Financial Officer Authorized to sign on behalf of the

share premium account-ordinary share which amount to THB 415.2 MB. Please be informed accordingly, Yours Sincerely (Miss Valarlak Ngamchitcharoen) Managing Director 31 December 2016 30 September 2017 THB