BOK FINL CORP

Ticker: BOKF CUSIP: 05561Q201 Class: Common Stock

Douglass Winthrop Advisors, LLC's Holding History (CIK: 0001308527)

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

Q4 2014

Shares 6,698 Value ($000) $402 Avg Close $48.63 Range $42.94 - $51.86

Q3 2014

Shares 6,698 Value ($000) $445 Avg Close $49.93 Range $47.54 - $52.20

Q2 2014

Shares 6,698 Value ($000) $446 Avg Close $48.64 Range $45.97 - $52.70

Q1 2014

Shares 6,698 Value ($000) $462 Avg Close $48.37 Range $45.85 - $52.46

Q4 2013

Shares 6,698 Value ($000) $444 Avg Close $46.44 Range $44.34 - $49.04

Q3 2013

Shares 6,698 Value ($000) $424 Avg Close $48.07 Range $46.06 - $50.47

Q2 2013

Shares 6,698 Value ($000) $429 Avg Close $46.03 Range $43.70 - $48.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	6,698	$402	$48.63	$42.94 - $51.86
Q3 2014	6,698	$445	$49.93	$47.54 - $52.20
Q2 2014	6,698	$446	$48.64	$45.97 - $52.70
Q1 2014	6,698	$462	$48.37	$45.85 - $52.46
Q4 2013	6,698	$444	$46.44	$44.34 - $49.04
Q3 2013	6,698	$424	$48.07	$46.06 - $50.47
Q2 2013	6,698	$429	$46.03	$43.70 - $48.19