quarter of the previous year, as follows: 1.Revenue 1.1 Brokerage fees The Company’s brokerage fees in 1Q2018 were Baht 290 million, an increase of 19% from 1Q2017, mainly due to an increase in the SET

quarter of 2018 due to increasing in sales of Patkol Public Company Limited and subsidiaries in the cold storage production. Gross Profit The group's gross profit margin was 229 million baht in the third

% when compared to the year 2018. There is a gross profit in the amount of Baht 10.79 million or 3.61%. Last year, the Company received only one additional construction project due to the limited working

attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer Company Secretary

years ending 31 December 2017 and 2018, the Group’s total revenue increased from THB 2,515.2 Mn in 2017 to THB 2,964.7 Mn in 2018, an increase of THB 449.5 Mn or 17.9%. This was mainly due to increased

) Total revenue decreased from 552.92 THB mm for the three-month period ended 30 June 2018 to 407.24 THB mm 2019 or representing a decreased rate of 26.34% , mainly due to the decrease in revenue from

herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS

the 1st quarter of 2019 were Baht 0.80 million, which had decreased from the 1st quarter of 2018 by Baht 2.58 million mainly due to interest income of promissory note amounting to Baht 2.20 million

fees The Company’s brokerage fees in 2Q2018 were Baht 223 million, an increase of 15% from 2Q2017, mainly due to an increase in the SET average daily trading volume. 1.2 Fees and Service income The

increase by Baht 42.70 million or an increase of 11.57 percent from the same period of previous year, due to effective management of production cost and selling expenses. Details of the changes or impacts