NexGen Energy Ltd.

NexGen is a British Columbia corporation with a focus on developing into production the 100% owned Rook I Project (the Rook I Project ) located in the southwestern Athabasca Basin of Saskatchewan, Canada. NexGen has a highly experienced team of uranium industry professionals with a successful track record in the discovery of uranium deposits and in the development of projects from discovery to production. NexGen also owns a portfolio of highly prospective uranium properties in the southwestern Athabasca Basin of Saskatchewan, Canada. The Rook I Project hosts the Arrow Deposit, which was discovered in February 2014. The Arrow Deposit has: Measured Mineral Resources of 2.18 million tonnes ( Mt ) at an average grade of 4.35% U 3 O 8 containing 210 million pounds (Mlb) of U 3 O 8 ; Indicated Mineral Resources of 1.57 Mt at an average grade of 1.36% U 3 O 8 containing 47 Mlb of U 3 O 8 ; for a total of 3.75 Mt grading 3.10% U 3 O 8 containing 257 Mlb U 3 O 8 . The Probable Mineral Reserves were estimated at 240 Mlb U 3 O 8 contained in 4.6Mt grading 2.37% U 3 O 8 . Details of all such resources and reserves can be found in the Rook I FS Technical Report. NexGen’s land package consists of the SW1, SW2 and SW3 properties. The Rook I Project is located within the broader Rook I property. The Rook I property consists of thirty-two (32) contiguous mineral claims totaling 35,065 hectares, and comprises a portion of SW2.