Exhibit 99.1 AMENDMENT NO. 1 TO CREDIT AGREEMENT THIS AMENDMENT NO. 1 TO CREDIT AGREEMENT (this "Amendment"), dated as of February 11, 2008, is made by and among PZENA INVESTMENT MANAGEMENT, LLC, a Delaware limited liability company (the "Borrower"),...Credit Agreement • February 11th, 2008 • Pzena Investment Management, Inc. • Investment advice
