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

The shareholders of Provident Energy Ltd. have accepted the share exchange offer from Pembina Pipeline Corp. Provident Energy will be removed from the S&P/TSX Composite and Capped Composite, the S&P/TSX Equity and Capped Equity, the S&P/TSX Completion and Equity Completion, the S&P/TSX Composite Dividend, the S&P/TSX Equity Income and the S&P/TSX Composite Equal Weight indices, effective after the close on Thursday, April 5, 2012.

Pembina Pipeline has closed the acquisition of Provident Energy. As a result of the issuance of shares, the relative weight of Pembina Pipeline will increase in the S&P/TSX Composite and Capped Composite, the S&P/TSX Equity and Capped Equity, the S&P/TSX Equity Income, the S&P/TSX Completion and Equity Completion and the S&P/TSX Composite Dividend indices. These changes will be effective after close on Thursday, April 5, 2012.

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.