MCKESSON CORP

Ticker: MCK CUSIP: 58155Q103 Class: COM

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

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

Q1 2014

Shares 8,369 Value ($000) $1,477 Avg Close $160.13 Range $146.04 - $172.44

Q4 2013

Shares 20,652 Value ($000) $3,333 Avg Close $140.55 Range $117.83 - $152.56

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	8,369	$1,477	$160.13	$146.04 - $172.44
Q4 2013	20,652	$3,333	$140.55	$117.83 - $152.56