N.A.(>100) N.A.(>100) - 2.2 N.A.(>100) Other income 1.8 0.9 3.0 233.3% 66.7% 26.9 176.9 557.6% Profit before expenses 420.8 388.3 505.9 30.3% 20.2% 1,144.6 1,607.3 40.4% Gain (loss) on forward contracts

0.9 (99.5%) (91.8%) 25.1 173.9 592.8% Profit before expenses 383.5 713.1 388.3 (45.5%) 1.3% 723.8 1,101.4 52.2% Gain (loss) on forward contracts - 49.5 (50.8) N.A. (

) Gross profit 439.4 427.9 11.5 2.7 Net gain on exchange rate 55.1 112.2 (57.1) (50.9) Gain on forward contracts 11.2 49.5 (38.3) (77.4) Other income 2.0 173.0 (171.0) (98.8) Profit before expenses 507.7

905.0 3.6% Net gain (loss) on exchange rate (58.6) 55.1 30.9 (43.9%) N.A. (>100) 53.6 86.0 60.4% Gain (loss) on forward contracts (50.8) 11.2 4.5 (59.8%) N.A. (>100) (1.3) 15.7 N.A. (>100) Other income

Natural gas (IPP) Natural gas (SPP+VSPP) Maintenance costs Others 59% 60% 63% 10% 9% 4% 18% 18% 18% 4% 4% 4% 9% 10% 10% 14,062 12,943 12,488 Q2/19 Q1/20 Q2/20 Coal GPSC - Q2/2020 Management Discussion and

profit 463.1 465.6 496.5 6.6% 7.2% 1,337.0 1,401.5 4.8% Net gain on exchange rate 37.6 30.9 83.6 170.6% 122.3% 91.2 169.6 86.0% Gain on forward contracts 8.4 4.5 6.0 33.3% (28.6%) 7.1 21.7 205.6% Gain from

) on forward contracts 11.2 4.5 6.0 (9.5) (15.5) N.A.(100) Gain from business acquisition - - - - - - 2.2 - (2.2) N.A.(

165.4 10.2% Net gain (loss) on exchange rate 112.2 (58.6) 37.6 (72.4) (110.0) N.A.(100) Gain (loss) on forward contracts 49.5 (50.8) 8.4 (19.2) (27.6) N.A.(

, decreased by Baht 153 million or 15% from Q2/2018. The drop was due to the rise in natural gas prices while Fuel tariff (Ft) rate remained constant; therefore, the gross profits of Rayong Central Utility

profit 427.9 354.5 73.4 20.7 Net gain (loss) on exchange rate 112.2 (28.3) 140.5 N.A. (>100) Gain on forward contracts 49.5 - 49.5 N.A. (>100) Other income 173.0 14.1 158.9 1,127.0 Profit before expenses