CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

COMMERZBANK AKTIENGESELLSCHAFT /FI's Holding History (CIK: 0000852933)

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

Q1 2017

Shares 6,768 Value ($000) $391 Avg Close $50.65 Range $45.39 - $54.98

Q4 2016

Shares 6,076 Value ($000) $316 Avg Close $43.76 Range $39.11 - $49.86

Q3 2016

Shares 7,062 Value ($000) $323 Avg Close $39.25 Range $35.02 - $42.57

Q2 2016

Shares 8,443 Value ($000) $338 Avg Close $37.03 Range $33.71 - $38.50

Q1 2016

Shares 9,371 Value ($000) $389 Avg Close $34.71 Range $27.03 - $37.36

Q4 2015

Shares 9,863 Value ($000) $415 Avg Close $38.66 Range $35.55 - $41.63

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	6,768	$391	$50.65	$45.39 - $54.98
Q4 2016	6,076	$316	$43.76	$39.11 - $49.86
Q3 2016	7,062	$323	$39.25	$35.02 - $42.57
Q2 2016	8,443	$338	$37.03	$33.71 - $38.50
Q1 2016	9,371	$389	$34.71	$27.03 - $37.36
Q4 2015	9,863	$415	$38.66	$35.55 - $41.63