management cost of goods sold. - Selling and administrative expenses of 2017 was 9.37% of sale, decreased to 8.84% in 2018 a decrease of 0.53% from sale due to sale amount increased. - Cost of finance

decreased due to the effectiveness of cost control in new completed projects and the increasing in average selling price of existing completed projects. - Selling expenses in 2018 amounted 1,102.55 million

20 percent for Q1/2019 ended March 31, 2019 of the Company and its subsidiaries, as shown below: (Unit: Thousand Baht) Revenue Gross profit Selling Admin Net profit Q1/18 213,552 76,707 21,974 18,709

gross profit margin was 6.78 % because steel price trend is decreasing. 3. Selling expenses were Baht 47.38 million, increased Baht 3.84 million or 8.82 % This is result from sale volume was increasing. 4

- - - - -33.64 -100.00 Profit before Selling and Administration expenses 60.37 47.40 33.87 -13.53 -28.54 -26.50 -43.90 Selling expense 9.18 8.54 11.26 2.72 31.85 2.08 22.66 Administration expense 34.78 30.99 25.73

of Q1/2018 was 90.26% decreased to 88.89% on Q1/2019 or decreased 1.37% from sales due to efficiency on management of raw material. - Selling and administrative expenses of Q1/2018 was 8.81% of sale

the gross profit margin was 10.06%. Due to the highly competitive. 3. Selling expenses was Baht 34.34 million which increased Baht 4.72 Million or increased 15.94% when compared to the same period of

including the impact that must result in a price adjustment and the adjustment of the selling price is quite difficult because this business group is highly competitive in the current economic situation

2019 Page 2 of 3 T.K.S. TECHNOLOGIES \ THB million Q1’19 Q1’18 %Chg As Reported (% to Sales) Total Selling Exp. 27(4.1%) 12(3.8%) 121.9% Company 8(1.2%) 12(3.8%) (31.8%) TBSP 19(2.8%) - 100.0% For the

the main reason that the Company has a net loss from operation since the selling price of biodiesel has decreased according to the price of crude palm oil in the market, while the price of crude palm