MARSCHKE BRETT [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
04/23/2013	Duff & Phelps Corp	DUF	Other (disposition)	Class A common stock	130.2k	$15.55	$2M	04/23/2013
04/23/2013	Duff & Phelps Corp	DUF	Disposition	Class A common stock	25.5k	$0.00	$0	04/23/2013
03/10/2013	Duff & Phelps Corp	DUF	Payment of Exercise	Class A common stock	2.3k	$15.51	$35.3k	03/10/2013
12/31/2012	Duff & Phelps Corp	DUF	Exercise	Duff & Phelps Acquisitions, LLC New Class A Units	63.9k	$0.00	$0	12/31/2012
05/02/2011	Duff & Phelps Corp	DUF	Sale	Class A common stock	15.1k	$15.34	$231.4k	05/02/2011
04/26/2011	Duff & Phelps Corp	DUF	Sale	Class A common stock	11.7k	$16.19	$188.7k	04/26/2011
04/04/2011	Duff & Phelps Corp	DUF	Sale	Class A common stock	2.3k	$15.80	$35.8k	04/01/2011
04/01/2011	Duff & Phelps Corp	DUF	Sale	Class A common stock	4.2k	$15.79	$66.4k	04/01/2011
03/17/2010	Duff & Phelps Corp	DUF	Sale	Class A common stock	1.5k	$17.76	$26.6k	03/17/2010
03/17/2010	Duff & Phelps Corp	DUF	Sale	Class A common stock	1.5k	$17.72	$26.6k	03/17/2010
03/17/2010	Duff & Phelps Corp	DUF	Sale	Class A common stock	997	$17.71	$17.7k	03/17/2010
03/17/2010	Duff & Phelps Corp	DUF	Sale	Class A common stock	997	$17.64	$17.6k	03/17/2010
03/17/2010	Duff & Phelps Corp	DUF	Sale	Class A common stock	1.5k	$17.61	$26.4k	03/17/2010
03/17/2010	Duff & Phelps Corp	DUF	Sale	Class A common stock	1k	$17.52	$17.6k	03/17/2010
03/10/2010	Duff & Phelps Corp	DUF	Grant	Class A common stock	18.5k	$0.00	$0	03/10/2010
02/26/2010	Duff & Phelps Corp	DUF	Payment of Exercise	Class A common stock	4.3k	$16.68	$71.6k	02/26/2010
11/10/2009	Duff & Phelps Corp	DUF	Other (disposition)	Duff and Phelps Acquisitions, LLC New Class A Units	9.3k	$15.00	$139.1k	11/10/2009