BOK FINL CORP

Ticker: BOKF CUSIP: 05561Q201 Class: Common Stock

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2018

Shares 88 Value ($000) $6 Avg Close $70.23 Range $58.13 - $81.68

Q3 2018

Shares 30,748 Value ($000) $2,992 Avg Close $82.31 Range $76.35 - $86.95

Q2 2018

Shares 30,574 Value ($000) $2,874 Avg Close $83.16 Range $75.96 - $87.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	88	$6	$70.23	$58.13 - $81.68
Q3 2018	30,748	$2,992	$82.31	$76.35 - $86.95
Q2 2018	30,574	$2,874	$83.16	$75.96 - $87.68