VANCOUVER, B.C. Western Copper Corporation (“Western Copper” or the “Company”) (TSX:WRN; NYSE Amex:WRN) is pleased to announce it has filed a technical report as required under National Instrument 43-101 that summarizes the pre-feasibility study prepared by M3 Engineering on the Casino gold-copper-molybdenum deposit located in Yukon, Canada. This report details the results of the pre-feasibility study first reported by the Company in a news release dated April 7, 2011.

The report is available on SEDAR (http://www.sedar.com) and EDGAR (http://www.sec.gov/edgar.shtml ) and is also posted on the Company’s website (http://www.westerncoppercorp.com).

Full Technical Report
(Click here to view)

ABOUT WESTERN COPPER CORPORATION

Western Copper is a Vancouver-based exploration and development company with properties containing significant copper, gold and molybdenum resources and reserves. The Company has 100% ownership of four Canadian properties. The two most advanced projects are the Casino Project and the Carmacks Copper Project, both located in the Yukon Territory. The Casino Project is one of the world’s largest open-pittable gold, copper, silver and molybdenum deposits. For more information, visit http://www.westerncoppercorp.com

On behalf of the board,

“Dale Corman”

F. Dale Corman
Chairman & CEO
Western Copper Corporation

For more information, please contact:

Paul West-Sells
President & COO, Corporate Development

Julie Kim
Manager, Investor Relations & Corporate Communications
Call: 1.888.966.9995 or 604.684.9497
Email: info@westerncoppercorp.com

Cautionary Disclaimer Regarding Forward-Looking Statements and Information

Certain of the statements and information in this press release constitute “forward-looking statements” within the meaning of the United States Private Securities Litigation Reform Act of 1995 and “forward-looking information” within the meaning of applicable Canadian securities laws. Forward-looking statements and information generally express predictions, expectations, beliefs, plans, projections, or assumptions of future events or performance and do not constitute historical fact. Forward-looking statements and information tend to include words such as “may,” “expects,” “anticipates,” “believes,” “targets,” “forecasts,” “schedules,” “goals,” “budgets,” or similar terminology. Forward-looking statements and information herein include, but are not limited to, statements with respect to the completion of the Proposed Arrangement and the expected structure thereof; anticipated shareholder, court and regulatory approvals. All forward-looking statements and information are based on Western Copper’s or its consultants’ current beliefs as well as various assumptions made by and information currently available to them. These assumptions include, without limitation that shareholder and court approvals to the Proposed Arrangement will be obtained in a timely manner, and that regulatory approvals will be available on acceptable terms. Although management considers these assumptions to be reasonable based on information currently available to it, they may prove to be incorrect. Forward-looking statements and information are inherently subject to significant business, economic, and competitive uncertainties and contingencies and are subject to important risk factors and uncertainties, both known and unknown, that are beyond Western Copper’s ability to control or predict. Actual results and future events could differ materially from those anticipated in forward-looking statements and information. Examples of potential risks are set forth in Western Copper’s annual report most recently filed with the U.S. Securities and Exchange Commission and the Canadian Securities Administrators as of the date of this press release. Accordingly, readers should not place undue reliance on forward-looking statements or information. Western Copper expressly disclaims any intention or obligation to update or revise any forward-looking statements and information whether as a result of new information, future events or otherwise, except as otherwise required by applicable securities legislation.