PXT Parex Resources Inc.

TORONTO, Sept. 29, 2011 /CNW/ - Standard & Poor's will make the following changes in the S&P/TSX Venture Composite Index after the close of trading on Friday, September 30, 2011: -- U.S. Silver Corporation. (TSXVN:USA) will be removed from the index as well as the S&P/TSX Venture Select Index. The company will graduate to trade on TSX under the same ticker symbol. -- Parex Resources Inc. (TSXVN:PXT) will be removed from the index. The company will graduate to trade on TSX under the same ticker symbol. Company additions to and deletions from an S&P equity index do not in any way reflect an opinion on the investment merits of the company. About S&P Indices S&P Indices, a part of McGraw-Hill Financial, is the world's leading index provider maintaining a wide variety of investable and benchmark indices. Over $1.25 trillion is directly indexed to Standard & Poor's family of indices, which includes the S&P 500, the world's most followed stock market index, the S&P/Case-Shiller Home Price Indices, the leading measure of U.S. home prices, the S&P Global BMI, an index with approximately 11,000 constituents, the S&P GSCI, the industry's most closely-watched commodities index and the S&P National AMT-Free Municipal Bond Index, the premier investable index for U.S. municipal bonds. For more information, please visit www.standardandpoors.com/indices. About McGraw-Hill Financial McGraw-Hill Financial, a part of The McGraw-Hill Companies , is a leading provider of research and analytical tools for investment advisors, wealth managers and institutional investors. It deploys the latest innovative technology strategies to deliver to customers a portfolio of cross-asset analytics, integrated desktop services, valuation and index benchmarks and investment recommendations in the rapidly growing $16 billion financial information, data and analytics market.   Standard & Poor's Canadian Index Operations CONTACT: Tony North Dave Guarino(416) 507-3204 1 212 438 1471sp_index@standardandpoors.com Dave_guarino@standardandpoors.com

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