increase in tax on profits arising from an increase in taxable profit. 9M'2016 9M'2017 % change million Baht million Baht y-on-y Finance cost Interest expense from borrowing 1,535 1,767 15.2% Interest

% in 4Q17. Cost & Expense In 1Q18, cost of service was Bt17,281mn increasing 6.3% YoY and 1.5% QoQ mainly from the change in accounting treatment on the partnership with TOT. • Regulatory fee was

801 106 13% Cost of sales and services -789 -621 168 27% -682 -608 74 12% Gross Profit 248 235 13 5% 225 193 32 16% Other Income 5 0 5 1,701% 14 7 7 117% Selling expense -81 -70 11 16% -71 -61 10 17

investment projects, interest expenses from bonds, amortisation of prepaid transaction cost of borrowings and interest expense from lease liabilities. Finance costs increase 46.0% YoY from Baht 49.6 million to

supplies, laboratory expense, utilities and tourism cost by Baht 4.33 million and Baht 7.51 million, respectively. 1.4 Distribution cost and administrative expenses 1.4.1 Distribution cost Unit : Million

increasing dentist remuneration, employees’ salaries of the office and branches, medical supplies and other supplies, laboratory expense, utilities and tourism cost by Baht 6.19 million and Baht 13.70 million

revenue from suppliers. Cost of Sales and Services The cost of sales and service increased from THB 1,669.2 Mn in 2016 to THB 1,878.7 Mn in 2017, an increase of THB 209.5 Mn or 12.6%. This increase was

quarter of 2018) as follows: Unit : million baht Q4/17 Q3/18 Q4/18 Change +/(-) QoQ % YoY % Net Revenue 191.39 271.57 244.40 -27.17 -10.01 53.01 27.70 Cost of Goods Sold 180.66 217.04 200.32 -16.72 -7.71

2018 (4th quarter of 2018) as follows: Unit : million baht Q4/17 Q3/18 Q4/18 Change +/(-) QoQ % YoY % Net Revenue 191.39 271.57 244.40 -27.17 -10.01 53.01 27.70 Cost of Goods Sold 180.66 217.04 200.32

the year 2016 and 2017 accounted for 13.3% and 4.5%, respectively, which resulted from revenue declined and the increasing of the cost of hospital operation, selling and administrative expense, and