Standard & Poor’s Canadian Index Operations said Friday that it will drop 12 stocks from the S&P/TSX composite index and add six new ones as part of a quarterly review of its Canadian index.

The additions include mining firms Aurizon Mines Ltd., Franco-Nevada Corp., Minefinders Corp. and Osisko Mining Corp.; energy company Pacific Rubiales Energy Corp.; and SXC Health Solutions Corp.

The index deletions include forest-products companies Cascades Inc. and TimberWest Forest Corp., as well as Harry Winston Diamond Corp., specialty insurer Kingsway Financial Services Inc. and waste-management firm Newalta Inc.

Other deletions are from the energy sector: Calfrac Well Services Ltd., Connacher Oil and Gas Ltd., Fairborne Energy Ltd., Galleon Energy Inc., Iteration Energy Ltd., OPTI Canada Inc. and Paramount Resources Ltd.

The changes take effect March 23.

IE