CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

APPLETON PARTNERS INC/MA's Holding History (CIK: 0001055290)

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

Q1 2016
Shares 5,630 Value ($000) $234 Avg Close $34.71 Range $27.03 - $37.36
Q4 2015
Shares 6,075 Value ($000) $255 Avg Close $38.66 Range $35.55 - $41.63