Exhibit 31.2
CERTIFICATION OF CHIEF FINANCIAL OFFICER
UNDER SECTION 302 OF SARBANES-OXLEY ACT OF 2002
I, Stephen E. Tremblay, certify that:
| 1. | I have reviewed the annual report on Form 10-K of Kraton Performance Polymers, Inc., as amended (this “report”); and |
| 2. | Based on my knowledge, this 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: March 8, 2012
| By: | /S/ STEPHEN E. TREMBLAY | |
| Stephen E. Tremblay | ||
| Chief Financial Officer |
