agreement 99.2 102.3 3.1 3.1% Cost of sales and services (874.7) (1,149.4) 274.7 31.4% Gross profit 439.4 471.6 32.2 7.3% Net gain (loss) on exchange rate 55.1 (4.6) (59.7) N.A.(

) (2,323.4) 29.4% Gross profit 465.6 471.6 463.7 (1.7%) (0.4%) 905.0 935.3 3.3% Net gain (loss) on exchange rate 30.9 (4.6) 86.7 N.A.(

% (2,766.3) (3,674.1) 32.8% Gross profit 496.5 463.7 464.1 0.1% (6.5%) 1,401.5 1,399.4 (0.1%) Net gain (loss) on exchange rate 83.6 86.7 113.7 31.1% 36.0% 169.6 195.8 15.4% Gain (loss) on forward contracts 6.0

) (256.0) N.A.(100) 12.2 1.3 (10.9) (89.3%) Other income 3.7 7.9 1.5 3.8 2.3 153.3% 12.8 16.9 4.1 32.0

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