MCKESSON CORP

Ticker: MCK CUSIP: 58155Q103 Class: COM

Hemenway Trust Co LLC's Holding History (CIK: 0001494234)

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

Q2 2016

Shares 1,193 Value ($000) $223 Avg Close $162.65 Range $143.03 - $174.89

Q4 2015

Shares 3,747 Value ($000) $739 Avg Close $174.49 Range $156.11 - $187.05

Q3 2015

Shares 4,018 Value ($000) $743 Avg Close $195.59 Range $147.68 - $218.48

Q2 2015

Shares 2,790 Value ($000) $627 Avg Close $213.12 Range $202.27 - $224.48

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	1,193	$223	$162.65	$143.03 - $174.89
Q4 2015	3,747	$739	$174.49	$156.11 - $187.05
Q3 2015	4,018	$743	$195.59	$147.68 - $218.48
Q2 2015	2,790	$627	$213.12	$202.27 - $224.48