CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

Goelzer Investment Management, Inc.'s Holding History (CIK: 0001550057)

Note: Option positions (PUT/CALL) are excluded.

Q4 2016

Shares 49,010 Value ($000) $2,553 Avg Close $43.76 Range $39.11 - $49.86

Q3 2016

Shares 62,365 Value ($000) $2,852 Avg Close $39.25 Range $35.02 - $42.57

Q2 2016

Shares 63,635 Value ($000) $2,550 Avg Close $37.03 Range $33.71 - $38.50

Q1 2016

Shares 68,621 Value ($000) $2,848 Avg Close $34.71 Range $27.03 - $37.36

Q4 2015

Shares 68,408 Value ($000) $2,876 Avg Close $38.66 Range $35.55 - $41.63

Q3 2015

Shares 63,937 Value ($000) $2,612 Avg Close $33.56 Range $29.23 - $37.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	49,010	$2,553	$43.76	$39.11 - $49.86
Q3 2016	62,365	$2,852	$39.25	$35.02 - $42.57
Q2 2016	63,635	$2,550	$37.03	$33.71 - $38.50
Q1 2016	68,621	$2,848	$34.71	$27.03 - $37.36
Q4 2015	68,408	$2,876	$38.66	$35.55 - $41.63
Q3 2015	63,937	$2,612	$33.56	$29.23 - $37.25