BOK FINL CORP

Ticker: BOKF CUSIP: 05561Q201 Class: Common Stock

RAMSEY QUANTITATIVE SYSTEMS's Holding History (CIK: 0001132897)

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

Q3 2018

Shares 3,678 Value ($000) $358 Avg Close $82.31 Range $76.35 - $86.95

Q2 2018

Shares 3,029 Value ($000) $285 Avg Close $83.16 Range $75.96 - $87.68

Q4 2017

Shares 3,309 Value ($000) $305 Avg Close $71.70 Range $64.91 - $76.55

Q3 2017

Shares 3,737 Value ($000) $333 Avg Close $67.41 Range $62.47 - $73.48

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	3,678	$358	$82.31	$76.35 - $86.95
Q2 2018	3,029	$285	$83.16	$75.96 - $87.68
Q4 2017	3,309	$305	$71.70	$64.91 - $76.55
Q3 2017	3,737	$333	$67.41	$62.47 - $73.48