X0303 4 2008-05-15 1 0001397821 Duff & Phelps Corp DUF 0001413369 Lovell Minnick Partners LLC 2141 ROSECRANS AVENUE, SUITE 5150 EL SEGUNDO CA 90245 0 0 1 0 Class A common stock 2009-04-30 4 A 0 5182 18.86 A 11268 I See Footnote Class A common stock 2008-05-15 4 A 0 6086 15.90 A 6086 I See Footnote New Class A Units of Duff & Phelps Acquisitions LLC 2009-05-27 4 J 0 1900000 14.75 D Class A Common Stock 1900000 3615564 I See Footnote Represents restricted shares of Class A common stock granted by the Issuer to Jeffrey Lovell and Robert Belke as compensation for director services. Each of Messrs. Lovell and Belke is a managing director of the Reporting Person. These shares of Class A common stock were issued to Messrs. Lovell and Belke on April 30, 2009 as compensation for director services. The closing price per share of Class A common stock on the New York Stock Exchange on April 30, 2009 was $18.86. These shares are owned by Messrs. Lovell and Belke. The Reporting Person disclaims any beneficial ownership interest in these shares. These shares of Class A common stock were issued to Messrs. Lovell and Belke on May 15, 2008 as compensation for director services. The closing price per share of Class A common stock on the New York Stock Exchange on May 15, 2008 was $15.90. Each of Lovell Minnick Equity Partners LP ("LMEP") and LM Duff Holdings, LLC ("LM Duff"), each an affiliate of Lovell Minnick Partners LLC ("LMP"), holds New Class A Units in Duff & Phelps Acquisitions LLC ("DPA"), an affiliate of Duff & Phelps Corporation ("DPC"). Pursuant to an exchange agreement entered into on October 3, 2007 among DPA, LMEP, LM Duff and the other parties thereto, holders of New Class A Units in DPA, subject to the transfer restrictions set forth in the limited liability company agreement of DPA and the terms of the exchange agreement, may up to four times each year exchange their New Class A Units in DPA for Class A common stock of DPC on a one-for-one basis, subject to customary conversion rate adjustments for splits, unit distributions and reclassifications. On May 27, 2009, DPA redeemed 1,900,000 of the New Class A Units of DPA from LMEP and LM Duff for a price per share of $14.75. LMEP and LM Duff own New Class A Units of DPA. LMEP is controlled by its sole general partner, Lovell Minnick Equity Advisors LLC ("LMEA"), and LMEA is controlled by its sole managing member, LMP. LM Duff is controlled by its sole managing member, Lovell Minnick Equity Partners II LP ("LMEP II"). LMEP II is controlled by its sole general partner, Lovell Minnick Equity Advisors II LLC ("LMEA II"), and LMEA II is controlled by its sole managing member, LMP. /s/ Jennings J. Newcom, Managing Director 2009-05-28