BOK FINL CORP

Ticker: BOKF CUSIP: 05561Q201 Class: Common Stock

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2014

Shares 37,406 Value ($000) $2,246 Avg Close $48.63 Range $42.94 - $51.86

Q3 2014

Shares 30,661 Value ($000) $2,038 Avg Close $49.93 Range $47.54 - $52.20

Q2 2014

Shares 29,929 Value ($000) $1,993 Avg Close $48.64 Range $45.97 - $52.70

Q1 2014

Shares 23,522 Value ($000) $1,624 Avg Close $48.37 Range $45.85 - $52.46

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	37,406	$2,246	$48.63	$42.94 - $51.86
Q3 2014	30,661	$2,038	$49.93	$47.54 - $52.20
Q2 2014	29,929	$1,993	$48.64	$45.97 - $52.70
Q1 2014	23,522	$1,624	$48.37	$45.85 - $52.46