% Gross Profit / Cost of Sales Analysis and Sales and Administration Analysis The Gross Profit margin was 5 percentage points lower at 11% in Q118 down from Q117 at 16% due to stronger THB/USD exchange rate

, The Company’s strategies such as increasing more specialty cilinics, medical instruments and expanding into new market so as to drive a sustainable growth Cost of Hospital Operations The costs of

238.99 261.84 (22.85) (8.73) Other income 9.49 13.06 (3.57) (27.34) Total revenues 248.48 274.90 (26.42) (9.61) Cost of goods sold 139.89 151.91 (12.02) (7.91) Selling expenses and administrative expenses

8.43 3.16 Cost of goods sold 151.91 146.56 5.35 3.65 Selling and administrative expenses 105.32 91.74 13.58 14.80 - Selling expenses 49.09 39.83 9.26 23.25 - Administrative expenses 56.23 51.91 4.32 8.33

optimization. Cost & Expense 1Q24, the cost of service was Bt24,881mn, increasing 13% YoY and 8.0% QoQ from consolidating full quarter of TTTBB’s cost. • Regulatory fee was Bt1,581mn, increasing 13% YoY and 4.8

costs comprise of interest expense from loans for the new investment projects, amortization of prepaid transaction cost of borrowings and interest expense from lease liabilities. Finance costs QoQ

of services (excluding fuel cost) 3,812.76 3,486.51 326.25 9.4 Administrative expenses 1,159.94 1,162.27 (2.33) (0.2) Finance costs 953.31 902.38 50.93 5.6 Income tax expense 738.31 650.28 88.03 13.5

% 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

rendering of services (excluding fuel cost) 2,484.36 2,358.38 125.98 5.3 Administrative expenses 791.03 777.74 13.29 1.7 Finance costs 731.94 564.84 167.10 29.6 Income tax expense 515.66 393.12 122.54 31.2

revenues 7,542 4,162 3,380 81.2 Cost of service 2,480 2,320 160 6.9 Selling and administrative expenses 330 313 17 5.4 Finance cost 324 320 4 1.3 Interest expense from the MRT Purple Line Project 97 110 (13