 CALGARY, AB , April 12, 2022 PRNewswire - TransAlta Corporation TransAlta TSX: TA NYSE: TAC will release its first quarter 2022 results before markets open on Friday, May 6, 2022. A conference call and webcast to discuss the results will be held for investors, analysts, members of the media and other interested parties the same day beginning at 9:00 a.m. 