PDE Pride International (DE)

NEW YORK, May 24, 2011 /PRNewswire/ -- S&P will make the following changes to the S&P 500, S&P MidCap 400 and S&P SmallCap 600 indices:

• Alpha Natural Resources Inc. (NYSE: ANR) will replace Massey Energy Corp. (NYSE: MEE) in the S&P 500 index after the close of trading on Wednesday, June 1. Alpha Natural Resources is acquiring Massey Energy in a deal expected to be completed on or about that date pending final approvals.

• S&P SmallCap 600 constituent Triumph Group Inc. (NYSE: TGI) will replace Pride International Inc. (NYSE: PDE) in the S&P MidCap 400 index and Inter Parfums Inc. (NASD: IPAR) will replace Triumph Group in the S&P SmallCap 600 index after the close of trading on Tuesday, May 31. Ensco plc (NYSE: ESV) is acquiring Pride International in a deal expected to be completed on or about that date pending final approvals.

Standard & Poor's will monitor these transactions, and post any relevant updates on its website: www.standardandpoors.com.  

Alpha Natural Resources engages in the production, processing, and sale of coal.  Headquartered in Abingdon, VA, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Coal & Consumable Fuels Sub-Industry index.

Triumph Group engages in the design, engineering, manufacture, repair, overhaul, and distribution of aircraft components. Headquartered in Wayne, PA, the company will be added to the S&P MidCap 400 GICS Aerospace & Defense Sub-Industry index.

Inter Parfums engages in the manufacture, marketing, and distribution of various fragrances and fragrance related products. Headquartered in New York, NY, the company will be added to the S&P SmallCap 600 GICS Personal Products Sub-Industry index.

Following is a summary of the changes:

For more information about S&P Indices, please visit www.standardandpoors.com/indices.

About S&P Indices

S&P Indices, the world's leading index provider, maintains a wide variety of investable and benchmark indices to meet an array of investor needs. 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.

For more information contact:  

David M. Blitzer, Ph.D.

Managing Director & Chairman of the Index Committee

(212) 438-3907

SOURCE Standard & Poor's