CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

Banco Santander, S.A.'s Holding History (CIK: 0000891478)

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

Q2 2019

Shares 2,163 Value ($000) $240 Avg Close $96.89 Range $89.52 - $103.06

Q4 2018

Shares 10,199 Value ($000) $827 Avg Close $79.03 Range $68.34 - $88.97

Q3 2018

Shares 11,679 Value ($000) $1,039 Avg Close $79.14 Range $73.20 - $82.94

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	2,163	$240	$96.89	$89.52 - $103.06
Q4 2018	10,199	$827	$79.03	$68.34 - $88.97
Q3 2018	11,679	$1,039	$79.14	$73.20 - $82.94