% 3,147.35 100.0% -5.7% Cost of services (652.92) -79.7% (622.36) -79.7% (599.48) -78.4% -3.7% -8.2% (2,631.21) -78.7% (2,491.76) -79.2% -5.3% Gross profit 166.35 20.3% 157.80 20.2% 164.86 21.6% 4.5% -0.9

Cost of Sales, Service and Construction contracts 1,516.0 1,479.0 819.3 40.0 2.7 696.7 85.0 Administrative expenses 98.9 90.7 78.4 8.2 9.0 20.5 26.1 Revenues and Costs of Sales, Services and Construction

and administrative expenses, bad debt and doubtful accounts, and finance cost. In the fiscal year ended February 28, 2019, the Company had total consolidated expenses of 16,213 million baht, increased

11.86% Finance cost 19.72 18.41 (1.31) (6.64%) Income tax expenses 17.98 22.21 4.23 23.53% Net profit 70.57 80.50 9.93 14.07% Net profit ratio (ROS) 20.41% 18.98% Earnings per share (Baht) 0.13 0.15 0.02

38.5% 32.6 82.4 49.8 152.9% Total Revenues from sales and services 3,151.1 2,656.3 -494.8 -15.7% 6,296.5 5,399.2 -897.3 -14.3% Cost of Sales 2,047.3 1,449.7 -597.6 -29.2% 4,158.8 3,024.8 -1,134.0 -27.3

last year due to the high cost of new business "Wuttisak Clinic". Compare with revenues that occurred in the first quarter of 2018, such as medical services costs, costs of tools and equipment include

= Sales and service income – Cost of sales and services (does not include other income) 3.1. Analysis of Q1 2018 results The key drivers of Q1 2018 performance on the positive side was the higher volumes

Cost 4,631.8 6,400.8 38.2% Gross Profit/2 6,232.8 6,007.9 (3.6%) Net Profit 2,906.8 3,229.3 11.1% Normalized Total Revenue/3 10,882.7* 13,058.7 20.0% Normalized Net Profit/4 2,422.8* 2,932.9 21.1% /1

spare part and equipment. Net loss, cause from the epidemic of COVID-19. Steel demand decrease and lead to price reduction. The difference between selling price and raw material cost per ton (Metal spread

adopted since 2020, which impact to rental decrease THB 1,959 million, depreciation increase THB 1,746 million, financial cost increase THB 355 million, and administrative expenses decrease THB 8 million