consumption expanded gradually, in line with the expansion of consumption expenditure on durable goods and greater consumer confidence, as well as improvements in farm income. Meanwhile, private investment

Income 235.16 1.41 329.90 1.94 318.24 1.85 Total Revenue 16,701.67 100.00 17,022.92 100.00 17,246.71 100.00 Cost of Sales (14,463.26) (86.60) (14,191.28) (83.37) (14,150.92) (82.05) Selling and

services revenue 41.68 43.82 (2.13) (4.87%) Construction revenue under Concession Agreements1) 60.64 55.33 5.32 9.61% Costs of Sales and Services 619.77 557.14 62.63 11.24% Raw water cost 291.60 247.94 43.67

of Sales and Services 516.49 534.60 18.10 3.50% 1,639.88 1,641.70 1.82 0.11% Raw water cost 219.95 228.99 9.05 4.11% 712.34 698.93 (13.42) (1.88%) Tap water cost 220.99 219.59 (1.39) (0.63%) 636.73

Change Amount % Change Total Revenues 7,792 7,550 242 3.2% Sales and service income 7,624 7,300 324 4.4% Gains on Exchange rate 69 175 -106 -60.3% Other Income 99 75 24 30.8% Cost of Sales and Services

) (7.65%) Raw water cost 262.24 247.94 (14.30) (5.45%) Tap water cost 205.21 221.60 16.39 7.99% Rental and services cost 37.43 32.28 (5.15) (13.77%) Construction cost under Concession Agreements(1) 98.42

of Sales and Services 520.08 549.97 29.88 5.75% 1,123.39 1,107.11 (16.28) (1.45%) Raw water cost 230.16 222.00 (8.16) (3.55%) 492.40 469.93 (22.47) (4.56%) Tap water cost 210.53 242.38 31.85 15.13

Total Revenues 7,550 4,432 3,118 70.3% Sales and service income 7,300 4,244 3,056 72.0% Gains on Exchange rate 175 108 67 62.0% Other Income 75 80 -5 -6.2% Cost of Sales and Services 6,486 3,848 2,638

in year 2017 the company had received an interest from short term investment Baht 1.0 million. 2. Cost of sale , Profit margin In year 2017 the company had cost of sale Baht 333.48 million compare with

-8.3% Sales and service income 7,131.4 7,792.1 -660.7 -8.5% Other income 95.0 86.0 9.0 10.5% Cost of sales and services 6,312.7 6,782.4 -469.7 -6.9% Gross Profit 818.7 1,009.7 -191.0 -18.9% Gross Profit