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Standard & Poor's Announces Change to U.S. Index

NEW YORK, Sept. 21, 2011 /PRNewswire/ -- The Mosaic Company (NYSE: MOS) will replace National Semiconductor Corp. (NYSE: NSM) in the S&P 500 index after the close of trading on Friday, September 23, 2011. National Semiconductor is being acquired by S&P 100 & 500 constituent Texas Instruments Inc. (NYSE: TXN) in a deal expected to be completed on or about that date pending final approvals.

Standard & Poor's will monitor this transaction, and post any relevant updates on its website:

The Mosaic Company engages in the production and marketing of concentrated phosphate and potash-based crop nutrients. Headquartered in Plymouth, MN, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Fertilizers & Agricultural Chemicals Sub-Industry index.

Following is a summary of the change:

S&P 500 INDEX  – September 23, 2011





The Mosaic Company


Fertilizers & Agricultural Chemicals


National Semiconductor

Information Technology


For more information about S&P Indices, please visit

About S&P Indices

S&P Indices, a leading brand of the McGraw-Hill Companies (NYSE: MHP), 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:

For more information contact:

David M. Blitzer, Ph.D.
Managing Director & Chairman of the Index Committee
(212) 438-3907

SOURCE Standard & Poor's

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