MCKESSON CORP

Ticker: MCK CUSIP: 58155Q103 Class: COM

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q2 2016

Shares 16,530 Value ($000) $3,085 Avg Close $162.65 Range $143.03 - $174.89

Q1 2016

Shares 34,170 Value ($000) $5,373 Avg Close $149.58 Range $137.18 - $182.09

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	16,530	$3,085	$162.65	$143.03 - $174.89
Q1 2016	34,170	$5,373	$149.58	$137.18 - $182.09