 CALGARY, AB, March 29, 2021 PRNewswire - TransAlta Corporation TransAlta or the Company TSX: TA NYSE: TAC today filed its notice of meeting the Notice to holders of common shares Shareholders along with its management information circular the Circular in connection with its annual and special meeting of Shareholders to be held virtually on Tuesday, May 4, 2021 at 12:00 p.m. Calgary Time the Meeting. 