sales revenue and lower depreciation expense. Operating Profit Analysis The Operating profit margin increased by 1 percentage point to 11% in 2017 from 10% in 2016. SG&A expenses increased by 4% [THB 52

SGAH totaling of Baht 564 million which is non-cash expense 4. Doubtful account which mainly includes liabilities between AH (including subsidiaries) and SAGUSA for an estimated amount of Baht 508

Loss Before Income Tax -303.53 -57.17 -246.36 -430.93 Income tax expense 11.10 -2.43 13.53 -556.79 Total loss for the period -292.43 -59.60 -232.83 -390.65 Other Comprehensive Income -4.78 1.02 -5.8

9,995.9 (2,348.2) Trade and other receivables 1,713.4 1,854.0 (140.6) Reimbursable maintenance expense 1,050.3 1,552.2 (501.9) Total current assets 11,429.8 14,380.6 (2,950.8) Non-current assets Investments

2018 was of Bt1,535.9 million, increasing by Bt85.5 million, or 5.9%(y-o-y). Representing operating profit margin before finances expense and income taxes (EBIT margin) at 40.3% and the EBITDA was

51.20 million, loss from impairment of investment in associate of Baht 107.78 million, management benefit expense of Baht 18.68 million, finance costs of Baht 0.69 million and share of loss from

0.1 Mn or 0.5%. This was mainly due to increased average balance of short-term borrowing over the 12-month period. Tax Expenses Income tax expense increased from THB 20.1 Mn in 2017 to THB 32.3 Mn in

and taxes (EBIT) in 2018 was of Bt1,535.9 million, increasing by Bt85.5 million, or 5.9%(y-o-y). Representing operating profit margin before finances expense and income taxes (EBIT margin) at 40. 3% and

). The profit from operations before finances cost and taxes (EBIT) was of Bt495.3 million, increasing by Bt27.1 million, or 5.8%(y-o-y). Representing operating profit margin before finances expense and

expenses for the first quarter of 2019 and selling expense to revenue from main business were not significantly change compared to the same period of the previous year. Administrative expenses Administrative