BOK FINANCIAL CORP — Director's Dealing 2017

May 2, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BOK FINANCIAL CORP ET AL (BOKF)
CIK: 0000875357
Period of Report: 2017-04-28

Reporting Person: BRADSHAW STEVEN G (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-04-28	Common Stock	M	2472	$55.94	Acquired	88705	Indirect
2017-04-28	Common Stock	M	1847	$58.76	Acquired	90552	Indirect
2017-04-28	Common Stock	M	3384	$55.74	Acquired	93936	Indirect
2017-04-28	Common Stock	F	6685	$84.4702	Disposed	87251	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-04-28	2011 Stock Options	$55.94	M	2472	Disposed		Common Stock (2472)	Direct
2017-04-28	2012 Stock Options	$58.76	M	1847	Disposed		Common Stock (1847)	Direct
2017-04-28	2013 Stock Options	$55.74	M	3384	Disposed		Common Stock (3384)	Direct

Footnotes

F1: For options granted in any one year, one-seventh of the options of such grant vest and become exercisable on the grant date of the anniversary each year commencing on the first anniversary after the grant.

F2: Options expire 3 years after vesting.