Standard & Poor's Announces Changes In The S&P/TSX Canadian Indices

Standard & Poor's will make the following changes in the S&P/TSX Canadian Indices:

• The shares of Orosur Mining Inc. (TSXVN:OMI) will be removed from the S&P/TSX Venture Composite Index after the close of Friday, May 11, 2012. The company will graduate to trade on TSX under the same ticker symbol. There is no consolidation of capital.

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.