NexGen Announces Filing of NI 43‐101 Technical Report on its Rook I Project
NexGen Announces Filing of NI 43‐101 Technical Report on its Rook I
Project
Vancouver, BC, March 31, 2017 – NexGen Energy Ltd. (“NexGen” or the “Company”) (TSX:NXE,
OTCQX:NXGEF) is pleased to report that today it filed a technical report on its wholly‐owned Rook 1
project (the “Technical Report”) pursuant to National Instrument 43‐101 “Standards of Disclosure for
Mineral Projects" (NI 43‐101"). The Technical Report supports the disclosure made by the Company in its
March 6, 2017 news release announcing an updated inferred mineral resource estimate for the Arrow
deposit.
The Technical Report bearing an effective date of March 31, 2017 is entitled: "Technical Report on the
Rook I Property, Saskatchewan, Canada" and was prepared by Mr. Mark Mathisen, C.P.G. and Mr. David
Ross, P.Geo., each of whom is a "qualified person" for the purposes of NI 43‐101.
About NexGen
NexGen is a British Columbia corporation with a focus on the acquisition, exploration and development
of Canadian uranium projects. NexGen has a highly experienced team of uranium industry professionals
with a successful track record in the discovery of uranium deposits and in developing projects through
discovery to production. NexGen’s goal is to become the world’s leading supplier of mined uranium.
NexGen owns a portfolio of highly prospective uranium assets in the Athabasca Basin, Saskatchewan,
Canada, including a 100% interest in Rook I, location of the Arrow Deposit, in February 2014 and Bow
Discovery in March 2015 and the Harpoon Discovery in August 2016. The Arrow Deposit's March 31, 2017
updated Mineral Resource comprises an Indicated Mineral Resource of 179.5 M lbs of U3O8 within 1.18
M tonnes grading 6.88% U3O8, and an Inferred Mineral Resource of 122.1 M lbs of U3O8 contained within
4.25 M tonnes grading 1.30% U3O8.
The effective date of the mineral resource estimate is December 20, 2016. For a description of the key
assumptions, parameters, and methods used to estimate the mineral resource please refer to the
Technical Report (as defined above).
Scientific and technical information in this news release has been reviewed and approved by Garrett
Ainsworth, NexGen's Vice‐President, Exploration and Development, a "qualified person" for the purposes
of NI 43‐101.
The TSXV has neither approved nor disapproved the contents of this press release. Neither the TSXV nor its
Regulation Services Provider (as that term is defined in the policies of the TSXV) accepts responsibility for
the adequacy or accuracy of this release.
Leigh Curyer
Chief Executive Officer
NexGen Energy Ltd.
+1 604 428 4112
www.nexgenenergy.ca
Travis McPherson
Corporate Development Manager
NexGen Energy Ltd.
+1 604 428 4112
http://www.nexgenenergy.ca