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Western Copper Continues Extension of Higher Grade Supergene Mineralization at Casino

China Promises to Exhaust all Means to Meet Emission Reduction Goal 

VANCOUVER, BRITISH COLUMBIA, Sep 14 (MARKET WIRE) --
Western Copper Corporation (&quot;Western Copper&quot; or the &quot;Company&quot;) (TSX: WRN) 
is pleased to announce the final results from the 2010 exploration 
program at its wholly owned Casino Project, located in the Yukon.
The 2010 drill program completed in August confirmed the flat-lying, 
shallow copper and gold enriched supergene zone extends over a 2.0 km by 
1.2 km area - a significant expansion over its previously outlined extent 
as identified in the 2008 Pre-feasibility Study (Figure 1). The average 
core length of the supergene from the drilling is 85 m. The copper and 
gold enriched zone remains open to the north for further expansion.
Notable results from the 14 holes drilled since the last update include 
hole CAS-074 with 241.9 m of 0.80 CuEq, which continued the expansion of 
the supergene zone to the southwest. Expanding the zone to the still open 
north is hole CAS-079 with 30.0 m of 0.45 CuEq.
Additional infill drilling was also completed as part of this drilling 
campaign which confirmed the excellent grades through the supergene and 
hypogene zones in the south of the deposit with CAS-082 returning 117.0 m 
of 0.87 CuEq in the supergene and 226.2 m of 0.56 CuEq in the hypogene.
Highlights of the holes drilled and assayed since the last press release 
are summarized in Table 1 and a complete listing of drill-holes and 
results drilled in 2010 are shown in Table 2.
Copper Equivalent Metal Prices: US$2.00/lb copper, US$875.00/oz gold and 
US$11.25/lb molybdenum
Western Copper has now completed 26,400 m of new drilling since the 
pre-feasibility was completed in 2008. Nearly all of the new drilling has 
been drilled in areas outside of the previously defined area of 
mineralization or in areas previously considered waste.
&quot;The expansion of the higher grade, near surface supergene mineralization 
into areas previously thought to waste should positively impact the 
economics of the Casino deposit by lowering the stripping ratio,&quot; said 
Dale Corman, Chairman &amp; CEO, &quot;This higher grade supergene gold and copper 
mineralization remains open to the north showing there is further 
potential to improve both the size of the supergene mineralization and 
the economics of the project.&quot;
The Casino project is located 380 km northwest of Whitehorse, Yukon and 
has a NI 43-101 compliant reserve estimate containing 8 million oz of 
gold, 4.4 billion lb of copper, and 475 million lb of molybdenum, 
contained in approximately 1 billion tonnes of ore.
Scott Casselman, P.Geo., is the qualified person responsible for the 
execution of the Casino Project exploration program and the preparation 
of the technical information in this news release.
QA/QC including assurance of chain of custody has been implemented in 
accordance with industry best practices. Split core samples are prepared 
and analyzed by ALS Chemex. Prepared samples are initially run using a 
four acid digestion process and conventional multi-element ICP-AES 
analysis. Additional assaying for total copper and molybdenum is run 
using a 4 acid digestion - AES or AAS method to a 0.001% detection limit. 
Gold assays are run using 30 gram sample fire assay with an AA finish to 
a 0.005 ppm detection limit. The QA/QC procedure involves regular 
submission of Certified Analytical Standards and blanks and property 
specific duplicates, with check assaying performed by Acme Analytical 
Laboratories Ltd.
 
 
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