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Shares Mil History for Alexion Pharmaceuticals, Inc. (ALXN)

Year Shares Mil
2002 73.0
2003 73.0
2004 86.0
2005 111.0
2006 127.0
2007 145.0
2008 180.0
2009 181.0
2010 186.0
2011 192.0
2012 199.0