 CALGARY, AB, Aug. 10, 2021 PRNewswire - Second Quarter 2021 Highlights Comparable EBITDA1 of 302 million, an increase of 85 million or 39 per cent compared to the same period in 2020 Free cash flow FCF1 of 138 million or 0.51 per share compared to 91 million or 0.33 per share, a 52 per cent increase over the same period in 2020 Hydro segment delivered 96 million of comparable EBITDA, an increase of 67 million compared to the same period in 2020 Alberta Thermal segment delivered 85 million of comparable EBITDA, an increase of 55 million compared to the same period in 2020 Adjusted availability was 84.8 per cent compared to 91.5 per cent for the same period in 2020, largely impacted by planned major maintenance events in the quarter Other Highlights Windrise wind project construction was 88 per cent complete as of June 30, 2021 Launched 130 MW Garden Plain wind project, 100 MW of which are contracted to Pembina Pipeline Corporation under an 18-year power purchase agreement Closed the sale of the Pioneer Pipeline to ATCO Gas and Pipelines Ltd. with net cash proceeds of approximately 128 million, resulting in a gain on sale of 33 million Executed a 10-year contract extension at Sarnia with one of its large industrial customers Subsequent Events Updates Completed another milestone in our phase-out of coal with the completion of the coal-to-gas conversion of Keephills Unit 2 Reached agreement to construct the 48 MW Northern Goldfields Solar and Storage Project to deliver renewable electricity to BHP Nickel West Pty Ltd. 