 VANCOUVER, BC, May 10, 2021 PRNewswire - NexGen Energy Ltd. NexGen or the Company TSX: NXE NYSE MKT: NXE is pleased to announce it has mailed the Notice of Meeting and Management Information Circular to shareholders record as of April 30, 2021 in connection with the Annual General and Special Meeting to be held Thursday, June 10, 2021, at 2:00 p.m. 