0000875357-09-000015 8-K 3 20090331 2.02 9.01 20090429 20090429 BOK FINANCIAL CORP ET AL 0000875357 6021 731373454 OK 1231 8-K 34 000-19341 09777916 BANK OF OKLAHOMA TOWER PO BOX 2300 TULSA OK 74192 9185953025 BANK OF OKLAHOMA TOWER P O BOX 2300 TULSA OK 74192 8-K 1 form8k033109.txt FORM 8-K 033109 EARNINGS RELEASE EX-99 2 press033109.txt (A) PRESS RELEASE EX-99 3 fs033109.txt (B) FINANCIAL STATEMENTS