MCKESSON CORP

Ticker: MCK CUSIP: 58155Q103 Class: COM

American Beacon Advisors, Inc.'s Holding History (CIK: 0000908758)

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

Q2 2018

Shares 1,216 Value ($000) $162 Avg Close $137.76 Range $123.99 - $151.37

Q1 2018

Shares 815 Value ($000) $115 Avg Close $146.42 Range $129.03 - $167.96

Q4 2017

Shares 750 Value ($000) $117 Avg Close $138.91 Range $125.78 - $154.28

Q3 2017

Shares 676 Value ($000) $104 Avg Close $146.01 Range $135.66 - $157.85

Q2 2017

Shares 676 Value ($000) $111 Avg Close $141.57 Range $124.87 - $158.24

Q1 2017

Shares 676 Value ($000) $100,223 Avg Close $136.52 Range $124.97 - $142.83

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	1,216	$162	$137.76	$123.99 - $151.37
Q1 2018	815	$115	$146.42	$129.03 - $167.96
Q4 2017	750	$117	$138.91	$125.78 - $154.28
Q3 2017	676	$104	$146.01	$135.66 - $157.85
Q2 2017	676	$111	$141.57	$124.87 - $158.24
Q1 2017	676	$100,223	$136.52	$124.97 - $142.83