% Staff cost, repair and maintenance cost and other services 135.6 153.4 152.1 (0.8%) 12.2% 420.0 439.8 4.7% Processing fee - PEA 16.1 16.2 15.4 (4.9%) (4.3%) 47.5 47.6 0.2% Other cost 22.2 23.9 26.9 12.6

165.8 169.1 169.3 171.4 2.1 1.2% 624.1 675.6 51.5 8.3% Staff cost, repair and maintenance cost and other services 134.3 153.4 152.1 157.2 5.1 3.4% 540.9 597.0 56.1 10.4% Processing fee - PEA 16.0 16.2

% Processing fee - PEA 16.2 17.1 16.0 (6.4%) (1.2%) 32.2 33.1 2.8% Other cost 23.9 35.5 27.4 (22.8%) 14.6% 49.1 63.0 28.3% Total cost of sales and service 1,174.0 1,274.4 1,191.7 (6.5%) 1.5% 2,323.4 2,466.2 6.1

%) 439.8 450.1 2.3% Processing fee - PEA 15.4 16.0 17.6 10.0% 14.3% 47.6 50.6 6.3% Cost of solar energy system installation service - - 15.8 N.A. (>100) N.A. (>100) - 15.8 N.A. (>100) Other cost 26.9 27.4

% Processing fee - PEA 17.1 16.0 17.6 17.6 - - 64.5 68.3 3.8 5.9% Cost of solar energy system installation service - - 15.8 - (15.8) N.A. - 15.8 15.8 N.A. Other cost 35.5 27.4 32.8 30.7 (2.1) (6.4%) 98.9 126.4

337.9 10.8% Processing fee - PEA 16.0 15.7 16.4 4.5% 2.5% 33.1 32.1 (3.0%) Other cost 27.4 37.0 35.4 (4.3%) 29.2% 63.0 72.4 14.9% Total cost of sales and service 1,191.7 1,121.4 1,168.5 4.2% (1.9

other services 145.2 167.1 151.2 (9.5%) 4.1% 450.1 489.0 8.6% Processing fee - PEA 17.6 16.4 18.4 12.2% 4.5% 50.6 50.5 (0.4%) Cost of solar energy system installation service 15.8 - 19.8 100.0% 25.3% 15.8

, mainly driven by the growth of IT products, particularly new models of notebooks with NPUs for AI processing, as well as other peripheral devices and Apple products to support the expansion of this product

work process, increase work efficiency and obtain the competitive advantages over competitors. For instance, EGCO arranged innovation workshopped to encourage the process of innovative thinking to

the Trade Debt reduction in 3., on April 26, 2017, the Company arranged for another paydown to ACO I in the amount of USD 480,000, or equivalent to THB 16,564,426.67, resulting in the Company’s