CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration
Statement on Form S-8 (Registration No. 333-118594) for the Company's 2004 Stock
Compensation Plan and Form S-3 (Registration No. 333-115167) for the Company's
Dividend Reinvestment Plan of our report dated March 3, 2006 relating to the
consolidated financial statements of PSB Group, Inc. as of December 31, 2005
which appear in the Company's Annual Report on Form 10-K for the year ended
December 31, 2005.

/s/ Plante & Moran, PLLC

Auburn Hills, Michigan
March 28, 2006