CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

EAM Investors, LLC's Holding History (CIK: 0001510989)

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

Q4 2014

Shares 57,130 Value ($000) $2,009 Avg Close $28.50 Range $24.29 - $31.84

Q3 2014

Shares 39,473 Value ($000) $1,226 Avg Close $27.82 Range $26.48 - $29.76

Q2 2014

Shares 51,302 Value ($000) $1,636 Avg Close $25.78 Range $23.45 - $28.50

Q1 2014

Shares 48,238 Value ($000) $1,324 Avg Close $21.69 Range $19.92 - $24.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	57,130	$2,009	$28.50	$24.29 - $31.84
Q3 2014	39,473	$1,226	$27.82	$26.48 - $29.76
Q2 2014	51,302	$1,636	$25.78	$23.45 - $28.50
Q1 2014	48,238	$1,324	$21.69	$19.92 - $24.17