VANCOUVER, BC, Aug. 29, 2023 /PRNewswire/ – NexGen Energy Ltd. (“NexGen” or the “Company”) (TSX: NXE) (NYSE: NXE) (ASX: NXG) is pleased to announce the appointment of Ben Salter as Chief Financial Officer (“CFO”), effective September 1, 2023. Mr. Salter commenced with NexGen in June 2021…