(91,353) 9.15% (65,895) 7.78% (25,458) 38.63% Selling expenses (37,911) 3.80% (23,433) 2.77% (14,478) 61.78% Administrative expenses (183,224) 18.35% (269,138) 31.76% 85,914 31.92% Other expense - 0.00

Topic Balance by Quarter Change Q1–21 Q4–20 Q1–20 Q1–21 VS Q4–20 Q1–21 VS Q1–20 (Million Baht: MB) (MB) % (MB) % Total revenue 1,824.2 2,070.7 1,231.6 (246.5) (11.9) 592.6 48.1 Total operating expenses

from last year that gross profit margin was 11.11% because steel price trend increasing. 4. Administrative expenses were Baht 79.10 million; increased Baht 0.36 million or 0.46 % from the same period of

Q1/ 2017 to 33.5% in Q1/2018; 2. Whilst SG&A including Interest expenses was up 10% Y-O-Y or Baht 17.7 million because of higher variables expenses that varied to company better performance, and non

publications decreased 7%. 2. Costs and expenses for the first quarter of 2018 increased 128% compared to the same period of 2017. The main reasons were:  Cost of goods sold decreased 25% in line with

General Meeting of shareholders No.1/2017.  An increase in total costs and expenses mainly caused by an incremental corporate tax raised from the gain from sale of investment property which was only one

no longer continue operating this business from September 1, 2018 onwards. 2. Costs and expenses for the year 2018 increased 78.88% compared to the same period of 2017. The main reasons were:  Cost of

% because of intense competition in domestic market resulted the selling price increased slower than increasing in cost of goods sold. 4. Selling expenses were Baht 180.62 million, increased Baht 23.57

expenses was Baht 32.44 million decreased Baht 1.96 million or 5.7% when compared to the same period of 2018. Due to the quantity of sale. 4. Administrative expenses was Baht 23.18 million which decrease

Revenue from sales or services 195.7 170.7 Cost of sales or services (114.2) (105.6) Gross profit 81.5 65.1 Gross Profit margin (%) 41.6 38.1 Selling expenses Administrative expenses Other expenses The