1 CHARLES E. CASTAING CASTAING, HUSSEY & LOLAN, LLP MEMBERS ROGER E. HUSSEY CERTIFIED PUBLIC ACCOUNTANTS AMERICAN INSTITUTE OF SAMUEL R. LOLAN 525 WEEKS STREET - P.O. BOX 14240 CERTIFIED PUBLIC ACCOUNTANTS CAROLINE C. BOUDREAUX NEW IBERIA, LA 70562-4240 SOCIETY OF PATRICK J. DAUTERIVE -------------------- LOUISIANA CERTIFIED PUBLIC ACCOUNTANTS LORI D. PERCLE PH: (318) 364-7221 DEBBIE B. TAYLOR FAX: (318) 364-7235 KATHERINE H. ARMENTOR - --------------------- ROBIN G. FREYOU DAWN K. GONSOULIN INDEPENDENT AUDITOR'S CONSENT We consent to the incorporation by reference in the Registration Statement on Form S-8 (File No. 0-25756) of our report dated February 7, 1997 appearing in this Annual Report on Form 10-K of ISB Financial Corporation for the year ended December 31, 1996. New Iberia, Louisiana March 26, 1997