| SC 13G | 2014-02-04 | STATE STREET CORP | PENTAIR LTD | - | 5.2% | EDGAR |
| SC 13G/A | 2014-02-03 | BlackRock Inc. | PENTAIR LTD | 10,691,464 | 5.4% | EDGAR |
| SC 13G | 2013-02-13 | VANGUARD GROUP INC | PENTAIR LTD | 12,747,260 | 6.1% | EDGAR |
| SC 13G | 2013-02-12 | STATE STREET CORP | PENTAIR LTD | - | 5.1% | EDGAR |
| SC 13G/A | 2013-02-11 | BlackRock Inc. | PENTAIR LTD | 11,001,511 | 5.2% | EDGAR |
| SC 13G/A | 2012-12-06 | BlackRock Inc. | PENTAIR LTD | 10,923,031 | 5.2% | EDGAR |
| SC 13G | 2012-11-09 | BlackRock Inc. | PENTAIR LTD | 11,825,132 | 11.9% | EDGAR |
| SC 13G/A | 2012-11-08 | STATE STREET CORP | PENTAIR LTD | - | 10.5% | EDGAR |
| SC 13G/A | 2012-02-14 | WELLINGTON MANAGEMENT CO LLP | PENTAIR INC | 4,958,137 | 5.0% | EDGAR |
| SC 13G/A | 2012-02-13 | BlackRock Inc. | PENTAIR INC | 5,857,319 | 5.9% | EDGAR |
| SC 13G/A | 2012-02-09 | FRANKLIN RESOURCES INC | PENTAIR INC | 5,006,896 | 5.1% | EDGAR |
| SC 13G | 2012-02-09 | STATE STREET CORP | PENTAIR INC | - | 5.4% | EDGAR |
| SC 13G/A | 2011-11-10 | WELLINGTON MANAGEMENT CO LLP | PENTAIR INC | 5,446,232 | 5.5% | EDGAR |
| SC 13G/A | 2011-02-14 | WELLINGTON MANAGEMENT CO LLP | PENTAIR INC | 10,806,873 | 11.0% | EDGAR |
| SC 13G/A | 2011-02-08 | HARRIS ASSOCIATES L P | PENTAIR INC | 4,897,600 | 5.0% | EDGAR |
| SC 13G/A | 2011-02-08 | BlackRock Inc. | PENTAIR INC | 5,867,641 | 6.0% | EDGAR |
| SC 13G/A | 2010-02-12 | WELLINGTON MANAGEMENT CO LLP | PENTAIR INC | 9,907,069 | 10.1% | EDGAR |
| SC 13G | 2010-02-11 | HARRIS ASSOCIATES L P | PENTAIR INC | 4,957,400 | 5.0% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | PENTAIR INC | 6,119,720 | 6.2% | EDGAR |
| SC 13G/A | 2009-04-09 | WELLINGTON MANAGEMENT CO LLP | PENTAIR INC | 9,834,913 | 10.0% | EDGAR |