14,195.4 13,797.5 +2.9% 12,448.8 +10.8% [ Sales Revenue, USD $420.4 $394.0 +6.7% $364.9 +7.9% ] Cost of Sales 9,933.1 8,985.0 8,535.0 Gross margin, (%) 30.0% 34.9% 31.4% Selling&Administration 1,817.6

gained from Phase 3 of the new plant that supported volume growth helped lessen the effect of the above on profit margin. The Company was capable to maintain a satisfactory level of profitability that

supported by an increase in capacity from the investment in Phase 3 at the new plant, and the appreciation of the Baht. Cost of Sales and Gross Profit The profit margin increased slightly Q-o-Q, but dropped Y

. 2Q17] [3Q17 VS. 3Q16] Sales Revenue 3,602.0 3,663.5 - 1.7 % 3,515.2 + 2.5 % Cost of Sales 2,519.0 2,528.2 2,251.0 Gross margin, (percentage) 30.07% 30.99% 35.96% Selling & Administration 485.1 484.6

] [1Q18VS 1Q17] Sales Revenue 3,440.2 3,391.6 +1.4% 3,536.4 -2.7% [ Sales Revenue, USD $109.1 $103.6 +5.3% $101.3 +7.7% ] Cost of Sales 2,551.4 2,433.4 2,452.5 Gross margin, (%) 25.84% 28.25% 30.65% SG & A

the increase in the gross profit margin that expanded from 14.5% in the second quarter of 2018 to 16.5% in the second quarter of 2019 and more efficient cost management that caused selling and

increase in revenue in 2019 compared with last year was due to the delivery of projects that have due date of contracts in 2019 such as USO (Phase 2), Cable Landing Station and CAT-IDC. In addition, the

(10.68) Operating cost 596.69 621.42 (24.73) Gross profit 110.53 96.48 14.05 Gross profit margin 15.63% 13.44% 2.19% Other income 3.80 1.99 1.81 Selling expenses 2.13 3.04 (0.91) Administrative expenses

in the gross profit margin that expanded from 15.3% in the third quarter of 2018 to 16.4% in the third quarter of 2019 and more efficient cost management that caused selling and administrative expense

(phase 1 or NFPT-phase1) and 3) the affected by the Labor Protection Act. The Gross profit margin of the Group was of 52.8% compared to 55.8% of 2018. 1.2.2 Administrative Expenses In 2019, the Group had