CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

Dorsey & Whitney Trust CO LLC's Holding History (CIK: 0001384042)

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

Q2 2017

Shares 4,006 Value ($000) $251 Avg Close $53.99 Range $50.30 - $59.95

Q1 2017

Shares 3,900 Value ($000) $225 Avg Close $50.65 Range $45.39 - $54.98

Q4 2016

Shares 3,900 Value ($000) $203 Avg Close $43.76 Range $39.11 - $49.86

Q3 2016

Shares 5,000 Value ($000) $229 Avg Close $39.25 Range $35.02 - $42.57

Q2 2016

Shares 5,000 Value ($000) $200 Avg Close $37.03 Range $33.71 - $38.50

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	4,006	$251	$53.99	$50.30 - $59.95
Q1 2017	3,900	$225	$50.65	$45.39 - $54.98
Q4 2016	3,900	$203	$43.76	$39.11 - $49.86
Q3 2016	5,000	$229	$39.25	$35.02 - $42.57
Q2 2016	5,000	$200	$37.03	$33.71 - $38.50