Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Rosemarie Bouman, Chief Financial Officer of First Oak Brook Bancshares, Inc. (the “Registrant”), do hereby certify in accordance with 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, based on my knowledge:

	(1)		the Quarterly Report on Form 10-Q of the Registrant, to which this certification is attached as an exhibit (the “Report”), fully complies with the requirements of section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 (15 U.S.C. 78m); and

	(2)		the information contained in the Report fairly presents, in all materials respects, the financial condition and results of operations of the Registrant.


August 4, 2005		/S/ ROSEMARIE BOUMAN

		Rosemarie Bouman
		Vice President & Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

FIRST OAK BROOK BANCSHARES INC 10-Q