Law Offices of Howard G. Smith Announces Investigation On Behalf of Shareholders of Marshall & Ilsley Corporation, in Connection with the Proposed Acquisition of the Company by BMO Financial Group

Law Offices of Howard G. Smith announces that it is investigating potential claims against the board of directors of Marshall & Ilsley Corporation (“Marshall & Ilsley” or the “Company”) (NYSE:MI) related to the Company’s agreement to be acquired by BMO Financial Group in a proposed stock-for-stock transaction.

Under the terms of the definitive agreement entered into by the parties, each outstanding share of Marshall & Ilsley common stock will be exchanged for 0.1257 shares of BMO. The transaction values each Marshall & Ilsley share at approximately $7.75. The investigation concerns possible breaches of fiduciary duty and other violations of law related to approval of the proposed transaction by Marshall & Ilsley’s board of directors.

If you are a shareholder of Marshall & Ilsley, if you have information or would like to learn more about these claims, or if you wish to discuss these matters or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Howard G. Smith, Esquire, of Law Offices of Howard G. Smith, 3070 Bristol Pike, Suite 112, Bensalem, Pennsylvania 19020 by telephone at (215) 638-4847, Toll Free at (888) 638-4847, or by email to howardsmith@howardsmithlaw.com, or visit our website at http://www.howardsmithlaw.com.