BARNUM GREGORY T [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
01/06/2017	DATALINK CORP	DTLK	Disposition	Common Stock	99.4k	$11.25	$1.1M	01/06/2017
01/06/2017	DATALINK CORP	DTLK	Disposition	Stock Option (Right to Buy)	71.2k	$6.83	$486k	01/06/2017
01/06/2017	DATALINK CORP	DTLK	Disposition	Performance Share Units (PSUs)	26.4k	$11.25	$297.3k	01/06/2017
12/23/2016	DATALINK CORP	DTLK	Payment of Exercise	Common Stock	1.4k	$11.24	$15.5k	12/23/2016
11/05/2012	DATALINK CORP	DTLK	Sale	Common Stock	10k	$8.40	$84k	11/05/2012
02/22/2012	DATALINK CORP	DTLK	Grant	Restricted Stock Grant	15.4k	$8.92	$137.4k	02/22/2012
02/22/2012	DATALINK CORP	DTLK	Grant	Restricted Stock Grant	7.7k	$8.92	$68.7k	02/22/2012
06/08/2011	LIME ENERGY CO.	LIME	Grant	Common Stock	4.5k	$0.00	$0	06/08/2011
06/08/2011	LIME ENERGY CO.	LIME	Grant	Common Stock	4.5k	$0.00	$0	06/08/2011
03/15/2010	DATALINK CORP	DTLK	Payment of Exercise	Common Stock (tax withholding on restricted stock)	5.3k	$4.20	$22.3k	03/15/2010