Marshall & Ilsley Corporation and Related Entities

Ratings

• M & I Bank FSB

  Date Issued	Debt Rated	Rating	Trend	Action	Attributesi US = Lead Analyst based in USA CA = Lead Analyst based in Canada EU = Lead Analyst based in EU UK = Lead Analyst based in UK E = EU endorsed U = UK endorsed Unsolicited Participating With Access Unsolicited Participating Without Access Unsolicited Non-participating
  17-Apr-06	Deposits & Senior Debt	AA (low)	Stb	New Rating	US E
  17-Apr-06	Short-Term Instruments	R-1 (middle)	Stb	New Rating	US E

  More

  Less

• M&I Marshall & Ilsley Bank

  Date Issued	Debt Rated	Rating	Trend	Action	Attributesi US = Lead Analyst based in USA CA = Lead Analyst based in Canada EU = Lead Analyst based in EU UK = Lead Analyst based in UK E = EU endorsed U = UK endorsed Unsolicited Participating With Access Unsolicited Participating Without Access Unsolicited Non-participating
  17-Apr-06	Deposits & Senior Debt	AA (low)	Stb	New Rating	US E
  17-Apr-06	Short-Term Instruments	R-1 (middle)	Stb	New Rating	US E

  More

  Less

• Marshall & Ilsley Corporation

  Date Issued	Debt Rated	Rating	Trend	Action	Attributesi US = Lead Analyst based in USA CA = Lead Analyst based in Canada EU = Lead Analyst based in EU UK = Lead Analyst based in UK E = EU endorsed U = UK endorsed Unsolicited Participating With Access Unsolicited Participating Without Access Unsolicited Non-participating
  17-Apr-06	Issuer & Senior Debt	A (high)	Stb	New Rating	US E
  17-Apr-06	Short-Term Instruments	R-1 (middle)	Stb	New Rating	US E
  17-Apr-06	Subordinated Debt	A	Stb	New Rating	US E

  More

  Less

• Southwest Bank, An M&I Bank

  Date Issued	Debt Rated	Rating	Trend	Action	Attributesi US = Lead Analyst based in USA CA = Lead Analyst based in Canada EU = Lead Analyst based in EU UK = Lead Analyst based in UK E = EU endorsed U = UK endorsed Unsolicited Participating With Access Unsolicited Participating Without Access Unsolicited Non-participating
  17-Apr-06	Deposits & Senior Debt	AA (low)	Stb	New Rating	US E
  17-Apr-06	Short-Term Instruments	R-1 (middle)	Stb	New Rating	US E

  More

  Less