BOKFinancialPresentsatKeefe,Bruyette&Woods RegionalBankConference

Slide Presentation and Live Audio Webcast Available to Public Online
TULSA, Okla.--(Business Wire)--
BOK Financial Corporation (NASDAQ: BOKF) will participate in Keefe, Bruyette &
Woods` 2009 Regional Bank Conference March 4 and 5, at the Langham Hotel in
Boston.

BOK Financial`s presentation is scheduled for March 4, from 1:00 - 1:40 p.m.,
EST. It will be delivered by Steven Nell, Chief Financial Officer; Chuck Cotter,
Chief Credit Officer; and Stacy Kymes, Director of Capital Markets and Corporate
Development. The presentation`s accompanying PowerPoint slides are available on
the BOK Financial Web site, www.bokf.com, under the link "presentations." A live
audio stream of the presentation will be available at
http://www.kbw.com/news/conference_regional2009.html.

BOK Financial is a regional financial services company that provides commercial
and consumer banking, investment and trust services, mortgage origination and
servicing, and an electronic funds transfer network. Holdings include Bank of
Albuquerque, N.A., Bank of Arizona, N.A., Bank of Arkansas, N.A., Bank of
Oklahoma, N.A., Bank of Texas, N.A., Colorado State Bank & Trust, N.A., Bank of
Kansas City, N.A., BOSC, Inc., Cavanal Hill Investment Management, Inc., the
TransFund electronic funds network, and Southwest Trust Company, N.A. Shares of
BOK Financial are traded on the NASDAQ under the symbol BOKF. For more
information, visit www.bokf.com.

BOK Financial Corporation
Jesse Boudiette, 918-588-6532
Corporate Communications Manager

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