144 156 14% 8% 173 300 73% Others (excluding depreciation and amortization) 266 238 243 (9%) 2% 376 481 28% Total cost of sales of goods and rendering of services 3,555 3,145 2,552 (28%) (19%) 4,662

sales of goods and rendering of services Cost of raw materials - Natural gas 435 251 234 (7%) (46%) 3,944 3,273 (17%) - Water 2 1 1 0% (50%) 43 22 (49%) - Power Development Funds 2 - - n/a n/a 19 15 (21

Profitability Consolidated (Unit: Million Baht) Q4/2018 Q4/2017 %YoY 2018 2017 %YoY Sales 1,456 1,531 -5% 5,349 5,916 -10% Cost of Goods Sold 1,189 1,129 +5% 4,165 4,216 -1% Gross Profit 267 402 -34% 1,184 1,700

goods and rendering of services Cost of raw materials - Natural gas 1,209 1,511 1,277 (15%) 6% 2,480 2,788 12% - Water 18 11 9 (18%) (50%) 34 20 (41%) - Pow er Development Funds 6 8 7 (13%) 17% 12 15 25

/a n/a 17 - (100%) Total revenue from selling electricity 1,314 1,653 546 (67%) (58%) 4,481 4,057 (9%) Cost of sales of goods and rendering of services Cost of raw materials - Natural gas 1,029 1,277

from sales & service 810.47 744.99 65.48 8.8% Other income 6.47 7.06 -0.59 -8.4% Total revenue 816.94 752.05 64.89 8.6% Cost of goods sold & service 700.82 646.00 54.82 8.5% Selling expenses 14.83 19.87

revenue Cost of Goods Sold Cost of goods sold for the six months period ended 30 June 2018 and 2019 stood at THB 221.68 million and THB 1 1 7 . 8 2 million respectively, equivalent to a 4 6 . 8 6 % decrease

from sales & service 853.77 810.47 43.30 5.3% Other income 6.29 6.47 -0.18 -2.8% Total revenue 860.06 816.94 43.12 5.3% Cost of goods sold & service 743.25 700.82 42.43 6.1% Selling expenses 16.10 14.83

income comprises mainly of interest income and services revenue Cost of sales Cost of goods sold for the nine months period ended 30 September 2017 and 2018 was THB 397.57 million and THB 319.38 million

the project has been currently commencing the 2nd phase and will accelerate the construction for the remaining phases until completed all 4 phases. 2. Cost of goods sold and expenses: Consolidated Unit