Oklahoma 000-19341 73-1373454
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(State or other jurisdiction (Commission (IRS Employer
of incorporation) File Number) Identification No.)
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(c)
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Exhibits
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99(a)
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Text of Press Release, dated February 1, 2012 titled “BOK Financial Reports Earnings of $286 Million for 2011 – Fourth Quarter Earnings Total $67 Million”
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99(b)
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Financial Information for the Three Months and One Year Ended December 31, 2011
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