MCKESSON CORP

Ticker: MCK CUSIP: 58155Q103 Class: COM

Barnett & Company, Inc.'s Holding History (CIK: 0001426588)

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

Q4 2016

Shares 100 Value ($000) $14 Avg Close $136.84 Range $106.46 - $155.15

Q3 2016

Shares 100 Value ($000) $17 Avg Close $173.09 Range $152.05 - $185.10

Q2 2016

Shares 100 Value ($000) $19 Avg Close $162.65 Range $143.03 - $174.89

Q1 2016

Shares 100 Value ($000) $16 Avg Close $149.58 Range $137.18 - $182.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	100	$14	$136.84	$106.46 - $155.15
Q3 2016	100	$17	$173.09	$152.05 - $185.10
Q2 2016	100	$19	$162.65	$143.03 - $174.89
Q1 2016	100	$16	$149.58	$137.18 - $182.09