CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

HARBOURVEST PARTNERS LLC's Holding History (CIK: 0001201001)

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

Q2 2016

Shares 758,318 Value ($000) $30,393 Avg Close $37.03 Range $33.71 - $38.50

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	758,318	$30,393	$37.03	$33.71 - $38.50