Resources & Technical Reports

Powder River Basin Uranium Resources


Uranerz Energy Corporation has reported NI 43-101 uranium resources for seven of its over 30 uranium projects in the Powder River Basin area of Wyoming, U.S.A. The table below shows the Company's total estimated uranium resources on those seven projects.

Table 1. Uranerz Attributable NI 43-101 Resources(1,2,3,4,5) 
 

Property Name

Pounds eU3O8 Measured & Indicated

Average Grade
% eU3o8

Pounds eU3o8 Inferred

Average Grade
% eU3o8

Date of 43-101 Report or Update

Nichols Ranch

2,949,546

0.114

-

-

June 5, 2009

Hank

2,236,050

0.123

246,753

0.087

May 1, 2008

West
North-Butte

2,837,015

0.153

2,681,928

0.120

December 9, 2008

South Doughstick

1,852,673

0.121

153,337

0.096

February 25, 2010

Doughstick Properties

882,736

0.081

86,909

0.055

January 26, 2010

North Rolling Pin

664,521

0.058

32,522

0.042

June 4, 2010

Reno Creek

4,292,948

0.056

142,167

0.039

October 13, 2010

TOTALS

15,715,489

0.103

3,343,616

0.111

 
  1. These estimates meet the "measured", "indicated" or "inferred" mineral resources classifications as defined by National Instrument 43-101 and the Canadian Institute of Mining, Metallurgy and Petroleum Definitions Standards incorporated by reference therein.
  2. These mineral resource estimates are based on a grade range of >0.01% to 2.65% with a grade cut-off of 0.03% and grade-thickness(1) ("GT") cut-off of 0.20.
  3. GT represents grade multiplied by the thickness and is calculated by multiplying eU3O8 grade (in percent) by gamma anomaly thickness (in feet) as determined from down-hole radiometric probing. For example, a drill hole that has 10 feet of 0.10% uranium mineralization has a GT of 1.0 and would be considered a good hole by ISR mining standards.
  4. The pounds included in this table are directly attributable to Uranerz.
  5. The South Doughstick and Doughstick properties (including the North Jane property) have been combined and are now called the Jane Dough Unit for permitting purposes.

Cautionary Note to U.S. Investors

The mineral resource information provided herein is a Canadian law requirement of National Instrument 43-101. The United States Securities and Exchange Commission permits U.S. mining companies, in their filings with the SEC, to disclose only those mineral deposits that a company can economically and legally extract or produce. We use certain terms in this summary such as "measured," "indicated," and "inferred" "resources", which the SEC guidelines strictly prohibit U.S. registered companies from including in their filings with the SEC. U.S. investors are urged to consider closely the disclosure in our Form 10-K which may be secured from us, or from the SEC's website at http://www.sec.gov/edgar.shtml


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Technical Reports


Please read the Cautionary Statement below.

Report Date Download
Reno Creek Property October 13, 2010 (PDF, 64MB)
North Rolling Pin June 4, 2010 (PDF, 59MB)
South Doughstick Report Amended February 25, 2010 (PDF, 4.3MB)
Doughstick Project January 26, 2010 (PDF, 13.2MB)
South Doughstick Property - Amended and Restated Technical Report October 12, 2009 (PDF, 14.8MB)
Nichols Ranch Uranium Project - Update June 5, 2009 (PDF, 1.3MB)
West North-Butte Satellite Properties December 9, 2008 (PDF, 28.9MB)
Preliminary Assessment for the Nichols Ranch Uranium In-Situ Recovery Project July 25, 2008 (PDF, 8.4MB)
Hank Unit Property May 1, 2008 (PDF, 4.4MB)
Arkose Mining Venture Project February 27, 2008 (PDF, 2.5MB)
Nichols Ranch Uranium Project October 26, 2007 (PDF, 7.1MB)

CAUTIONARY STATEMENT

All mineral resources in the NI 43-101 technical reports referenced on this web site have been estimated in accordance with the definition standards on mineral resources and mineral reserves of the Canadian Institute of Mining, Metallurgy and Petroleum referred to in National Instrument 43-101, commonly referred to as "NI 43-101". As a company listed on the TSX, Uranerz Energy Corporation is required by Canadian law to provide disclosure in accordance with NI 43-101. U.S. reporting requirements for disclosure of mineral properties are governed by the SEC Industry Guide 7. NI 43-101 and Guide 7 standards are substantially different. The terms "mineral reserve", "proven mineral reserve" and "probable mineral reserve" are Canadian mining terms as defined in accordance with NI 43-101. These definitions differ from the definitions in Guide 7. Under Guide 7 standards, a "final" or "bankable" feasibility study is required to report reserves, the three-year historical average price is used in any reserve or cash flow analysis to designate reserves and the primary environmental analysis or report must be filed with the appropriate governmental authority.

The NI 43-101 technical reports referenced on this web site use the terms "mineral resource," "measured mineral resource," "indicated mineral resource" and "inferred mineral resource". We advise investors that these terms are defined in and required to be disclosed by NI 43-101; however, these terms are not defined terms under Guide 7 and are normally not permitted to be used in reports and registration statements filed with the SEC. Investors are cautioned not to assume that any part or all of mineral deposits in these categories will ever be converted into reserves. "Inferred mineral resources" have a great amount of uncertainty as to their existence, and great uncertainty as to their economic and legal feasibility. It cannot be assumed that all or any part of an inferred mineral resource will ever be upgraded to a higher category. Under Canadian rules, estimates of inferred mineral resources may not form the basis of feasibility or pre-feasibility studies, except in rare cases. Investors are cautioned not to assume that all or any part of an inferred mineral resource exists or is economically or legally mineable. Disclosure of "contained pounds" in a resource is permitted disclosure under Canadian regulations; however, the SEC normally only permits issuers to report mineralization that does not constitute "reserves" by SEC standards as in-place tonnage and grade without reference to unit measures.  
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