Ratio 2018 Ratio Increase / (Decrease) Amount Ratio Service income 2,220.88 100.00% 1,832.11 100.00% 388.77 21.22 Cost of service 1,868.61 84.14% 1,454.70 79.40% 413.91 28.45 Gross Profit 352.27 15.86

- Testing and Inspection 13.89 13.12 0.77 5.87% 3 Cost of sales and services (442.04) (406.41) 35.63 8.77% Gross Profit 43.73 30.54 13.19 43.21% Other income 3.89 3.28 0.61 18.51% 4 Profit before expenses

3.34 3.65 Cost per ASK (CASK) 3.43 3.33 Cost per ASK excluding fuel cost 2.80 2.82 RASK – CASK (0.09) 0.33 Remark (1) These figures are different from those included in Company’s consolidated Financial

cost and fuel cost) (meaning total expenses from the standalone financial statements net loss on sales of investment, loss on sales of leasehold right and fuel expense) divided by ASK.

, 2019 Page 1 Executive Summary Unit : Million baht 2019 2018 Total revenues * 15,668.94 14,780.73 888.21 6.0 Total cost and expenses * 9,573.18 8,346.74 1,226.44 14.7 Gain (Loss) on foreign exchange

large portion of fixed costs. Some of which increased from the previous year, especially the labor cost and bonus with annual adjustments, and depreciation increasing slightly due to new machines

Year 2016 Year 2015 - Other revenue 21.17 34.95 32.12 ▪ Total expense 406.98 400.81 339.83 - Cost of goods sold 178.55 147.31 115.71 - Operating expense 288.43 253.50 224.12 ▪ Profit (loss) for the year

1,248,881 63.58 Selling & Admin. Expense 208,270 151,667 56,603 37.32 682,955 481,877 201,078 41.73 Finance cost 74,294 59,602 14,692 24.65 217,357 160,371 56,986 35.53 Gross profit 278,414 220,013 58,401

outbreak become controllable. Besides, the Company continues to develop its potential and maintain cost and expense management measures. The Company is ready to adapts to keep up with the situation in order

for the fiscal year 2023 were 8,394 million baht. As a result, the expense to income ratio (Cost-to- Income Ratio) this year slightly increased to 38.2%, due to the deceleration of revenues. However