| SC 13G/A | 2011-02-14 | Allianz Global Investors Capital LLC | WEST PHARMACEUTICAL SERVICES INC | 1,705,100 | 5.1% | EDGAR |
| SC 13G | 2011-02-14 | Neuberger Berman Group LLC | WEST PHARMACEUTICAL SERVICES INC | 1,757,269 | 5.3% | EDGAR |
| SC 13G | 2011-02-10 | VANGUARD GROUP INC | WEST PHARMACEUTICAL SERVICES INC | 1,737,715 | 5.2% | EDGAR |
| SC 13G/A | 2011-02-09 | FRANKLIN RESOURCES INC | WEST PHARMACEUTICAL SERVICES INC | 3,537,423 | 10.6% | EDGAR |
| SC 13G/A | 2011-02-09 | BlackRock Inc. | WEST PHARMACEUTICAL SERVICES INC | 2,441,877 | 7.3% | EDGAR |
| SC 13G/A | 2010-02-12 | SNYDER CAPITAL MANAGEMENT L P | WEST PHARMACEUTICAL SERVICES INC | 1,348,632 | 4.1% | EDGAR |
| SC 13G | 2010-02-12 | Allianz Global Investors Management Partners LLC | WEST PHARMACEUTICAL SERVICES INC | 1,696,100 | 5.1% | EDGAR |
| SC 13G/A | 2010-02-11 | MUNDER CAPITAL MANAGEMENT | WEST PHARMACEUTICAL SERVICES INC | 1,891,641 | 5.7% | EDGAR |
| SC 13G/A | 2010-02-04 | FRANKLIN RESOURCES INC | WEST PHARMACEUTICAL SERVICES INC | 3,430,603 | 10.4% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | WEST PHARMACEUTICAL SERVICES INC | 2,410,086 | 7.3% | EDGAR |
| SC 13G/A | 2009-02-13 | SNYDER CAPITAL MANAGEMENT INC | WEST PHARMACEUTICAL SERVICES INC | 1 | 5.1% | EDGAR |
| SC 13G | 2009-02-12 | MUNDER CAPITAL MANAGEMENT | WEST PHARMACEUTICAL SERVICES INC | 2,209,849 | 6.7% | EDGAR |
| SC 13G/A | 2009-02-09 | FRANKLIN RESOURCES INC | WEST PHARMACEUTICAL SERVICES INC | 3,619,673 | 11.1% | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | WEST PHARMACEUTICAL SERVICES INC | 675,046 | 2.1% | EDGAR |
| SC 13G | 2008-02-14 | SNYDER CAPITAL MANAGEMENT L P | WEST PHARMACEUTICAL SERVICES INC | 1,842,012 | 5.7% | EDGAR |
| SC 13G/A | 2008-02-04 | FRANKLIN RESOURCES INC | WEST PHARMACEUTICAL SERVICES INC | 3,859,873 | 11.9% | EDGAR |
| SC 13G/A | 2007-02-14 | WILMINGTON TRUST CORP | WEST PHARMACEUTICAL SERVICES INC | 642,730 | 1.9% | EDGAR |
| SC 13G/A | 2007-02-14 | PRIVATE CAPITAL MANAGEMENT | WEST PHARMACEUTICAL SERVICES INC | 47 | 4.7% | EDGAR |
| SC 13G/A | 2007-02-14 | LORD ABBETT & CO LLC | WEST PHARMACEUTICAL SERVICES INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2007-02-06 | FRANKLIN RESOURCES INC | WEST PHARMACEUTICAL SERVICES INC | 3,673,473 | 11.2% | EDGAR |