X0303 4 2011-07-05 1 0001399315 MARSHALL & ILSLEY CORP MI 0001502821 Becker Richard 770 NORTH WATER STREET MILWAUKEE WI 53202 0 1 0 0 Senior Vice President Common Stock 2011-07-05 4 D 0 132689 D 0 D Common Stock 2011-07-05 4 D 0 183 D 0 I By Child Common Stock 2011-07-05 4 D 0 24015.5 D 0 I By Deferred Compensation Plan Stock Option (Right to Buy) 18.66 2011-07-05 4 D 0 20745 D 2018-10-29 Common Stock 20745 0 D Stock Option (Right to Buy) 21.3665 2011-07-05 4 D 0 21379 D 2012-10-25 Common Stock 21379 0 D Stock Option (Right to Buy) 26.0364 2011-07-05 4 D 0 16034 D 2013-10-27 Common Stock 16034 0 D Stock Option (Right to Buy) 31.3949 2011-07-05 4 D 0 16034 D 2014-10-27 Common Stock 16034 0 D Stock Option (Right to Buy) 31.4024 2011-07-05 4 D 0 18039 D 2017-10-19 Common Stock 18039 0 D Stock Option (Right to Buy) 32.046 2011-07-05 4 D 0 16034 D 2015-10-28 Common Stock 16034 0 D Stock Option (Right to Buy) 35.975 2011-07-05 4 D 0 14431 D 2016-10-30 Common Stock 14431 0 D Stock Option (Right to Buy) 23.911 2011-07-05 4 D 0 21379 D 2011-12-20 Common Stock 21379 0 D Disposed of pursuant to merger agreement between issuer and Bank of Montreal ("BMO"), pursuant to which, effective July 5, 2011, Marshall & Ilsley Corporation merged with and into a subsidiary of BMO (the "Merger"), in exchange for 16,679 shares of BMO common stock having a market value of $63.15 per share. Disposed of pursuant to merger agreement between issuer and Bank of Montreal ("BMO") in exchange for 23 shares of BMO common stock having a market value of $63.15 per share. Disposed of pursuant to merger agreement between issuer and Bank of Montreal ("BMO") in exchange for 3,018 shares of BMO common stock having a market value of $63.15 per share. This option, which vested on 10/29/2008, the date of grant, was assumed by BMO in the Merger and replaced with an option to purchase 2,607 shares of BMO common stock for $148.45 per share. This option, which vested in three equal installments beginning 10/25/2003, was assumed by BMO in the Merger and replaced with an option to purchase 2,687 shares of BMO common stock for $169.98 per share. This option, which vested in three equal installments beginning 10/27/2004, was assumed by BMO in the Merger and replaced with an option to purchase 2,015 shares of BMO common stock for $207.13 per share. This option, which vested in three equal installments beginning 10/27/2005, was assumed by BMO in the Merger and replaced with an option to purchase 2,015 shares of BMO common stock for $249.76 per share. This option, which vested on 10/19/2007, the date of grant, was assumed by BMO in the Merger and replaced with an option to purchase 2,267 shares of BMO common stock for $249.82 per share. This option, which vested in three equal installments beginning 10/28/2006, was assumed by BMO in the Merger and replaced with an option to purchase 2,015 shares of BMO common stock for $254.94 per share. This option, which vested on 10/30/2006, the date of grant, was assumed by BMO in the Merger and replaced with an option to purchase 1,813 shares of BMO common stock for $286.20 per share. This option, which vested in three equal installments beginning 12/20/2002, was assumed by BMO in the Merger and replaced with an option to purchase 2,687 shares of BMO common stock for $190.22 per share. On July 5, 2011, Bank of Montreal ("BMO") and Marshall & Ilsley Corporation ("M&I") completed their previously announced transaction whereby M&I was merged (the "Merger") with and into a wholly-owned subsidiary of BMO ("Merger Sub"), with Merger Sub continuing as the surviving entity. Pursuant to the Merger Agreement dated December 17, 2010, as supplemented, by and among BMO, M&I and Merger Sub, in the Merger, each share of M&I common stock outstanding immediately prior to the merger was converted into the right to receive 0.1257 shares of BMO common stock. No fractional shares of BMO common stock will be issued in connection with the Merger, and holders of M&I common stock are entitled to receive cash in lieu thereof. Jodi W. Rosenthal (as attorney-in-fact) 2011-07-07