KELLER DENNIS J [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
12/09/2011	NICOR INC	GAS	Disposition	Share Units	36.4k	$0.00	$0	12/09/2011
12/09/2011	NICOR INC	GAS	Disposition	Common Stock	5.8k	$0.00	$0	12/09/2011
11/01/2011	NICOR INC	GAS	Grant	Common Stock	750	$0.00	$0	11/01/2011
11/01/2011	NICOR INC	GAS	Grant	Share Units	298.595	$56.25	$16.8k	11/01/2011
03/31/2011	NICOR INC	GAS	Grant	Share Units	289.178	$53.60	$15.5k	03/31/2011
12/30/2010	NICOR INC	GAS	Grant	Share Units	579.884	$50.01	$29k	12/30/2010
05/24/2010	Adtalem Global Education Inc.	ATGE	Exercise	Non-Qualified Stock Option (right to buy)	500	$28.88	$14.4k	05/24/2010
05/24/2010	Adtalem Global Education Inc.	ATGE	Exercise	Non-Qualified Stock Option (right to buy)	40k	$31.75	$1.3M	05/24/2010
05/03/2010	NICOR INC	GAS	Grant	Share Units	340.72	$43.51	$14.8k	05/03/2010
12/16/2009	Adtalem Global Education Inc.	ATGE	Sale	Common Stock	20k	$59.15	$1.2M	12/15/2009
12/15/2009	Adtalem Global Education Inc.	ATGE	Sale	Common Stock	10k	$58.00	$580k	12/15/2009