EXHIBIT 31(b)
I, Mark R. Bachmann, certify that:
| 1. | I have reviewed this annual report on Form 10-K/A of Zep Inc.; and |
| 2. | Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
Date: November 7, 2008
| /s/ Mark R. Bachmann |
Mark R. Bachmann |
Executive Vice President and Chief Financial Officer |
[A signed original of this written statement required by Section 302 of the Sarbanes-Oxley Act has been provided to Zep Inc. and will be retained by Zep Inc. and furnished to the Securities and Exchange Commission or its staff upon request.]
