SILVERMAN JACOB [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
03/10/2013	Duff & Phelps Corp	DUF	Payment of Exercise	Class A common stock	2.7k	$15.51	$41.8k	03/10/2013
03/10/2013	Duff & Phelps Corp	DUF	Payment of Exercise	Class A common stock	2.7k	$15.51	$41.8k	03/10/2013
12/31/2012	Duff & Phelps Corp	DUF	Exercise	Duff & Phelps Acquisitions, LLC New Class A Units	134.7k	$0.00	$0	12/31/2012
07/25/2012	Duff & Phelps Corp	DUF	Sale	Class A common stock	9.4k	$15.40	$144k	07/25/2012
03/13/2012	Duff & Phelps Corp	DUF	Other (disposition)	Duff and Phelps Acquisitions, LLC New Class A Units	4k	$13.38	$53.3k	03/10/2012
03/10/2012	Duff & Phelps Corp	DUF	Payment of Exercise	Class A common stock	2.6k	$14.36	$37.9k	03/10/2012
04/04/2011	Duff & Phelps Corp	DUF	Sale	Class A common stock	1.4k	$15.75	$21.5k	04/01/2011
04/01/2011	Duff & Phelps Corp	DUF	Sale	Class A common stock	6.1k	$15.74	$96.5k	04/01/2011
03/21/2011	Duff & Phelps Corp	DUF	Payment of Exercise	Class A common stock	5.2k	$15.15	$79.4k	03/21/2011
02/26/2010	Duff & Phelps Corp	DUF	Payment of Exercise	Class A common stock	5k	$16.68	$83.8k	02/26/2010
11/10/2009	Duff & Phelps Corp	DUF	Other (disposition)	Duff and Phelps Acquisitions, LLC New Class A Units	36k	$15.00	$539.7k	11/10/2009