quarter of 2018 was decreased from 26% to 22%. This is because product/service cost mix changed, with the proportion of cost of non-mobile top-up service increasing. Expenses and expenses to revenues from

Capacity Utilization 71.06% 69.90% 1.16% Revenue from sales 340,764 100.0% 355,059 100.0% (14,295) (4.0%) Cost of sales (279,155) (81.9%) (300,548) (84.6%) (21,393) (7.1%) Gross Profit 61,609 18.1% 54,511

2018, the Company had gain on exchange rate of THB 18.58 million. Cost of Sales and Gross Profit The Company’s cost of sales is mainly consisted of raw material cost which is equal to approximately 85

1,216.8 1,542.7 1,788.5 (325.9) (21.1) (571.7) (32.0) Rental income from equipment for lease 54.5 60.2 26.8 (5.7) (9.5) 27.7 103.4 Gain on sales of investment 108.6 - - 108.6 100.0 108.6 100.0 Cost of sales

2% 60,838 3% 49,981 4% Total income 2,950,802 100% 3,165,036 100% 2,182,063 100% 1,363,246 100% Cost of services 1,983,778 2,209,915 2,000,460 1,347,165 Administrative expenses 795,445 863,492

fees and service income to operating income ratio 21.2% 23.9% 21.3% (2.7)% (0.1)% 22.5% 22.7% (0.2)% Expense to operating income ratio 45.3% 42.6% 42.8% 2.6% 2.4% 44.0% 41.4% 2.6% Return on average

Service Income 178.2 100.0% 163.7 91.9% -14.5 -8.1% Total Revenues 178.2 100.0% 178.2 100.0% 0 0.0% Cost of Rental and Service 140.4 78.8% 139.4 78.2% -1 -0.7% Gross Profit 37.8 21.2% 29.7 16.7% -8.1 -21.5

, SAMUDPRAKARN 10290 Tel. 02-816-9315 Fax. 02-816-9315 #444 Cost of sales Cost of sales in total for 2016 and 2017 was THB 588.9 MB and THB 679.6 MB respectively, equivalent to 62.5% and 74.7% of total revenue in

same periods last year both in the three-month period and the six-month period. The decreases were 10.89% and 9.40% respectively. 1.2 Cost of sales and service, Administrative expenses (Unit: Million

Cost of sales and service, Administrative expenses (Unit: Million Baht) For the third quarter For the period of nine months Movement for the third quarter Movement for the period of nine months 2021 2020