| Filed On | Filing |
|---|---|
| 20 Mar 2015 | DEF 14A |
| 21 Mar 2014 | DEF 14A |
| 22 Mar 2013 | DEF 14A |
| 12 Mar 2012 | DEFINITIVE PROXY STATEMENT |
| 14 Mar 2011 | DEFINITIVE PROXY STATEMENT |
| 15 Mar 2010 | DEFINITIVE PROXY STATEMENT |
| 13 Mar 2009 | DEFINITIVE PROXY STATEMENT |
| 13 Mar 2008 | DEFINITIVE PROXY STATEMENT |
| 13 Mar 2007 | DEFINITIVE PROXY STATEMENT |
| 14 Mar 2006 | DEFINITIVE PROXY STATEMENT |
| 29 Mar 2005 | DEFINITIVE PROXY STATEMENT |
| 23 Mar 2004 | DEFINITIVE PROXY STATEMENT |
| 26 Mar 2003 | DEFINITIVE NOTICE & PROXY STATEMENT |
| 29 Mar 2002 | DEFINITIVE NOTICE AND PROXY STATEMENT |
| 28 Mar 2001 | DEFINITIVE NOTICE & PROXY STATEMENT |
| 30 Mar 2000 | NOTICE & PROXY STATEMENT FOR SIGMA ALDRICH |
| 31 Mar 1999 | DEF 14A |
| 27 Mar 1998 | DEF 14A |
| 27 Mar 1997 | DEF 14A |
| 29 Mar 1996 | DEF 14A |
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