Ownership Profile
| Shares Held | % O/S | Shares Change | Filing Date | |
|---|---|---|---|---|
| Wellington Management Co. LLP | 3,031,613 | 13.67 | -14,813 | 03/31/2012 |
| GAMCO Investors | 2,729,479 | 12.30 | -20,102 | 03/31/2012 |
| Keeley Asset Management Corp. | 1,697,585 | 7.65 | -46,410 | 03/31/2012 |
| BlackRock Fund Advisors | 1,656,803 | 7.47 | 31,493 | 03/31/2012 |
| Heartland Advisors, Inc. | 1,395,790 | 6.29 | 47,250 | 03/31/2012 |
| The Vanguard Group, Inc. | 1,152,950 | 5.20 | 44,852 | 03/31/2012 |
| Invesco Advisers, Inc. | 1,055,338 | 4.76 | -333,408 | 03/31/2012 |
| Gabelli Funds LLC | 772,000 | 3.48 | -6,000 | 03/31/2012 |
| ING Investment Management Co. | 767,704 | 3.46 | 51,280 | 03/31/2012 |
| State Street Global Advisors | 458,968 | 2.07 | 5,385 | 03/31/2012 |
| Dimensional Fund Advisors, Inc. | 389,842 | 1.76 | 1,687 | 03/31/2012 |
| USAA Investment Management Corp. | 389,161 | 1.75 | -5 | 03/31/2012 |
| DePrince, Race & Zollo, Inc. | 382,078 | 1.72 | 121,502 | 03/31/2012 |
| Loomis, Sayles & Co. LP | 353,464 | 1.59 | 69,081 | 03/31/2012 |
| Northern Trust Investments | 311,206 | 1.40 | -3,419 | 03/31/2012 |
| Teton Advisors | 233,200 | 1.05 | 0 | 03/31/2012 |
Ownership data is provided by FactSet, a third party service, and Zep Inc. does not maintain or provide information directly to this service.



