MCKESSON CORP

Ticker: MCK CUSIP: 58155Q103 Class: COM

SeaBridge Investment Advisors LLC's Holding History (CIK: 0001304229)

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

Q1 2018

Shares 50 Value ($000) $7 Avg Close $146.42 Range $129.03 - $167.96

Q4 2017

Shares 125 Value ($000) $19 Avg Close $138.91 Range $125.78 - $154.28

Q3 2017

Shares 125 Value ($000) $19 Avg Close $146.01 Range $135.66 - $157.85

Q2 2017

Shares 442 Value ($000) $73 Avg Close $141.57 Range $124.87 - $158.24

Q1 2017

Shares 442 Value ($000) $66 Avg Close $136.52 Range $124.97 - $142.83

Q4 2016

Shares 527 Value ($000) $74 Avg Close $136.84 Range $106.46 - $155.15

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	50	$7	$146.42	$129.03 - $167.96
Q4 2017	125	$19	$138.91	$125.78 - $154.28
Q3 2017	125	$19	$146.01	$135.66 - $157.85
Q2 2017	442	$73	$141.57	$124.87 - $158.24
Q1 2017	442	$66	$136.52	$124.97 - $142.83
Q4 2016	527	$74	$136.84	$106.46 - $155.15