1 EXHIBIT 16 September 26, 1996 Ernst & Young LLP Sears Tower 233 South Wacker Drive Chicago, Illinois 60606-6301 Dear Sirs: At the September 24, 1996 Board of Directors meeting of Calumet Bancorp, Inc., the Board of Directors decided to terminate the service of Ernst & Young as the Company's independent accountants. The Board acknowledges the cordial and businesslike relationship they had with Ernst & Young over the past years. As required by the Securities and Exchange Commission ("SEC"), we are requesting that you review the enclosed Form 8-K and furnish us with a letter addressed to the SEC stating whether you agree with our statements in Item 4 of the Form 8-K and, if not, state the respects in which you do not agree. Sincerely, CALUMET BANCORP, INC. - ----------------------------------- Mr. Thaddeus Walczak Chairman of the Board Enclosure