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Historic Resource Estimate

Resource Grade Cu Eq Contained Metal
Cu Eq
B lb
M oz
Inferred 33.4 3.92 11.3 3.99 2.90 12.15

Historical Estimate:
The historical estimate for the Redstone property is derived from a technical report entitled "Technical Report on the Coates Lake Copper Deposit, Nahanni Mining District, Western Northwest Territories for Lumina Resources Corp." dated August 15, 2005 prepared by A.W. Gourlay, P.Geo. This technical report was filed on SEDAR on April 2, 2007 under the profile of Western Copper and Gold Corp., a predecessor company to Copper North.

The source and date of the historical estimate, key assumptions, parameters, methods used to prepare the historical estimate, and information concerning further work required to upgrade or verify the historical estimate as current mineral resources are contained in the Company's news release dated May 10, 2012. This news release can be found under the News Release section of this website.

Copper North is not treating this historical estimate as current mineral resources and the Qualified Person responsible for review of the historical resource has not done sufficient work to classify the historical estimate as current mineral resources or mineral reserves.


1. 3.0% copper minimum assay intercept

2. Metal prices used to determine Cu equivalent grade: US$2.00/lb copper, US$11.25/oz silver

3. No discount for metallurgical recovery used to determine contained metal