SHAREHOLDER TOOLS:


IR CONTACT
Tony Mezza
Vice President,
Finance & Treasurer
1310 Seaboard Industrial Blvd.
Atlanta, GA 30318
Phone: (404) 603-7762
E-mail: IR@zep.com

TRANSFER AGENT
American Stock Transfer & Trust Company, LLC
6201 15th Avenue
Brooklyn, NY 11219
Toll Free: 877-842-1551
Toll: 718-921-8124
www.amstock.com

Ownership Profile


Top Holders: Institutional Investor
  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.