NexGen Energy Ltd., an exploration and development stage company, engages in the acquisition, exploration, and evaluation and development of uranium properties in Canada. Its principal asset is the Rook I project comprising 32 contiguous mineral claims totaling an area of 35,065 hectares located in the southwestern Athabasca Basin of Saskatchewan. The company is headquartered in Vancouver, Canada.

Address: 1021 West Hastings Street, Vancouver, BC, Canada, V6E 0C3