MCKESSON CORP

Ticker: MCK CUSIP: 58155Q103 Class: COM

Mader & Shannon Wealth Management, Inc.'s Holding History (CIK: 0001535862)

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

Q2 2015

Shares 19,738 Value ($000) $4,437 Avg Close $213.12 Range $202.27 - $224.48

Q1 2015

Shares 19,830 Value ($000) $4,486 Avg Close $204.26 Range $189.37 - $214.42

Q4 2014

Shares 22,057 Value ($000) $4,579 Avg Close $186.87 Range $163.92 - $197.33

Q2 2014

Shares 15,895 Value ($000) $2,960 Avg Close $163.23 Range $149.40 - $176.12

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	19,738	$4,437	$213.12	$202.27 - $224.48
Q1 2015	19,830	$4,486	$204.26	$189.37 - $214.42
Q4 2014	22,057	$4,579	$186.87	$163.92 - $197.33
Q2 2014	15,895	$2,960	$163.23	$149.40 - $176.12