Plateau Uranium Inc., formerly Macusani Yellowcake Inc., is a Canada-based exploration-stage junior resource company with uranium exploration properties in the Puno province in south-eastern Peru. The Company is in the process of exploring and developing its mineral resource properties located in Peru. Its segment includes the acquisition, and exploration and evaluation of mineral properties in Peru. The Company is engaged in exploration for uranium on its properties located in the Macusani plateau region of Peru. The Company controls approximately 910 square kilometers of territory on the Macusani plateau, and is engaged in ongoing exploration to define the extent of mineralization. Its subsidiaries include Macusani Yellowcake S.A.C., Exploraciones Macusani SAC and Minergia SAC.