Approval of proposal by Bank of Montreal

The following press release was published by the Board of Governors of the Federal Reserve System on June 21, 2011. It is reproduced in full below.

The Federal Reserve Board on Tuesday announced its approval of the applications and notices by Bank of Montreal, Toronto, Canada, and its subsidiaries, Harris Financial Corp., Harris Bankcorp, Inc., and Mike Merger Sub, LLC, all of Chicago, Illinois, to acquire Marshall & Ilsley Corporation and M&I Marshall & Ilsley Bank, both of Milwaukee, Wisconsin, and M&I Bank of Mayville, Mayville, Wisconsin; M&I Bank FSB, Las Vegas, Nevada; and other nonbanking subsidiaries of Marshall & Ilsley Corporation.

Attached is the Board's Order relating to this action.

For media inquiries, call 202-452-2955.

Source: Board of Governors of the Federal Reserve System