for Wastewater Management 3 Gross Profit from Operation excludes Other Revenue from Utilities Business. 4 Other Incomes mainly consists of Gain on exchange rate from USD Loan to related parties at WUPIN

) (12.1) N.A.(

Revenues 1,711.52 2,072.15 Selling & Administrative Expense 110.78 118.49 Finance Costs 27.51 20.44 Net Profit (12.84) (2.59) Earnings per share (Baht) (0.032) (0.007) The comparison between Third Quarter of

1,947.37 2,097.62 Selling & Administrative Expense 120.12 127.83 Finance Costs 20.98 24.24 Net Profit 9.12 101.40 Earnings per share (Baht) 0.02 0.25 The company will explain the cause of change as follow: 1

) (40.2) (50.4) 25.4% Net profit 249.8 360.3 366.5 1.7% 46.7% 843.3 726.8 (13.8%) Add(less): Loss/gain from extraordinary items* 104.3 (54.7) (28.4) (186.1) (83.1) Net profit from ordinary activities 354.1

exchange gain/(loss) (0.35) 0.32 -191.43% Other income 2.36 3.11 31.78% Earnings before interest and taxes 64.97 237.44 265.46% Financial expense (2.30) (2.31) 0.43% Profit before income tax expense 62.67

250.00% Net foreign exchange gain/(loss) 0.32 0.93 190.63% Other income 3.11 5.87 88.75% Earnings before interest and taxes 237.44 124.30 -47.65% Financial expense (2.31) (1.86) -19.48% Profit before

represents decreasing of profit 50 Million Baht (391%) from 2017’s profit of 13 million Baht . The main causes for the lower net profit is because the economy was still in the process of recovering in 2017 and

1,453.4 3.9% Income Tax (Expense) Income (6.4) (17.5) -63.4% (23.8) (44.2) -46.2% Profit attributable to Owners of the Parent 456.2 631.1 -27.7% 1,738.0 1,643.1 5.8% Foreign Exchange Gain (Loss) 10.4 124.9

terms of % to revenue improved from 7.5% in Q4 2021 to 5.9% in Q4 2022. Core operating profit (defined as Earnings before Interests and Taxes exclude interest income, gain (loss) on exchange rate and