S&P Indices Announces Change to U.S. Index

NEW YORK, May 21, 2012 /PRNewswire/ -- Alexion Pharmaceuticals, Inc. (NASD: ALXN) will replace Motorola Mobility Holdings, Inc. (NYSE: MMI) in the S&P 500 index after the close of trading on Thursday, May 24. S&P 100 & 500 constituent Google Inc. (NASD: GOOG) is acquiring Motorola Mobility Holdings in a deal expected to close before the opening of trading tomorrow.

Alexion is a biopharmaceutical company. Headquartered in Cheshire, CT, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Biotechnology Sub-Industry index.

Following is a summary of the change:

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For more information:

Dave Guarino
Communications
S&P Indices
dave_guarino@standardandpoors.com
212-438-1471

David Blitzer
Managing Director and Chairman of the Index Committee
S&P Indices
david_blitzer@standardandpoors.com
212-438-3908

SOURCE S&P Indices

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