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BOK Financial Corporation -- Moody's affirms BOK's ratings; maintains outlook stable

Moody's Investors Service ("Moody's") has affirmed the ratings of BOK Financial Corporation and its bank subsidiary BOKF, NA (collectively referred to as "BOK") and affirmed BOKF, NA's a2 standalone baseline credit assessment (BCA). BOK Financial Corporation has an issuer rating of A3 and BOKF, NA is rated Aa3/Prime-1 for deposits.