 CALGARY, AB , Jan. 23, 2023 PRNewswire - TransAlta Corporation TransAlta TSX: TA NYSE: TAC will release its fourth quarter and full year 2022 results before markets open on Thursday, February 23, 2023. 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. 