MARSHALL & ILSLEY CORP/WI/
10-K405, 2000-03-13
NATIONAL COMMERCIAL BANKS
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<PAGE>   1

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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-K

[X]              ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                  FOR THE FISCAL YEAR ENDED DECEMBER 31, 1999

                                       OR

[ ]            TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                          COMMISSION FILE NO. 1-15403

                         MARSHALL & ILSLEY CORPORATION
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                                                <C>
                 WISCONSIN                                          39-0968604
      (State or other jurisdiction of                            (I.R.S. Employer
       incorporation or organization)                          Identification No.)

           770 NORTH WATER STREET
            MILWAUKEE, WISCONSIN                                      53202
  (Address of principal executive offices)                          (Zip Code)
</TABLE>

       Registrant's telephone number, including area code: (414) 765-7801

          Securities registered pursuant to Section 12(b) of the Act:

<TABLE>
<CAPTION>
                                                              NAME OF EACH EXCHANGE
            TITLE OF EACH CLASS:                               ON WHICH REGISTERED:
            --------------------                              ---------------------
<S>                                                <C>
      Common Stock -- $1.00 par value                        New York Stock Exchange
</TABLE>

        Securities registered pursuant to Section 12(g) of the Act: NONE

     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.  Yes [X]  No [ ]

     Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.  [X]

     The aggregate market value of the voting stock held by nonaffiliates of the
registrant is approximately $5,359,013,000 as of January 31, 2000. The number of
shares of common stock outstanding as of January 31, 2000 is 104,566,112.

                      DOCUMENTS INCORPORATED BY REFERENCE

     Part III incorporates information by reference from the Proxy Statement for
the registrant's Annual Meeting of Shareholders to be held on April 25, 2000.

- --------------------------------------------------------------------------------
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<PAGE>   2

                                     PART I

ITEM 1. BUSINESS

GENERAL

     Marshall & Ilsley Corporation ("M&I" or the "Corporation"), incorporated in
Wisconsin in 1959, is a registered bank holding company under the Bank Holding
Company Act of 1956 (the "BHCA"). As of December 31, 1999, M&I had consolidated
total assets of approximately $24.4 billion and consolidated total deposits of
approximately $16.4 billion, making M&I the second largest bank holding company
headquartered in Wisconsin. The executive offices of M&I are located at 770
North Water Street, Milwaukee, Wisconsin 53202 (telephone number (414)
765-7801).

     M&I's principal assets are the stock of its bank and nonbank subsidiaries
and the assets of its Data Services Division ("M&I Data Services"). M&I's
subsidiaries include 27 commercial banks, one federal savings bank and a number
of companies engaged in businesses that the Federal Reserve Board (the "FRB")
has determined to be closely-related or incidental to the business of banking.
M&I provides its subsidiaries with financial and managerial assistance in such
areas as budgeting, tax planning, compliance assistance, asset and liability
management, investment administration and portfolio planning, business
development, advertising and human resources management.

     M&I's bank and savings association subsidiaries provide a full range of
banking services to individuals, businesses and governments throughout
Wisconsin, and in the Phoenix, Arizona metropolitan area, Las Vegas, Nevada,
Naples, Florida, and the northern Chicago, Illinois suburbs. These subsidiaries
offer retail, institutional, international, business and correspondent banking,
investment and trust services through the operation of over 230 banking offices
in Wisconsin, 13 offices in Arizona, 4 offices in Illinois, 1 office in Florida
and 1 office in Nevada. The M&I bank and saving association subsidiaries hold a
significant portion of their mortgage and investment portfolios indirectly
through their ownership interest in direct and indirect subsidiaries. M&I
Marshall & Ilsley Bank ("M&I Bank") is M&I's largest bank subsidiary, with
consolidated assets as of December 31, 1999 of approximately $10.8 billion.

     M&I Data Services and two nonbank subsidiaries are major suppliers of
financial and data processing services and software to banking, financial and
related organizations. M&I Data Services provides services and software to over
3,300 financial service providers in the United States and in numerous foreign
countries. M&I's nonbank subsidiaries operate a variety of bank-related
businesses, including those providing investment management services, insurance
services, trust services, equipment lease financing, commercial and residential
mortgage banking, home equity financing, venture capital, brokerage services and
financial advisory services. M&I Investment Management Corp. offers a full range
of asset management services to M&I's trust company subsidiaries, the Marshall
Funds and other individual, business and institutional customers. M&I's trust
company subsidiaries provide trust and employee benefit plan services to
customers throughout the United States with offices in Wisconsin, Arizona,
Florida and Nevada. M&I First National Leasing Corp. and M&I Leasing Corp. of
Michigan lease a variety of equipment and machinery to large and small
businesses. M&I Dealer Finance, Inc. provides lease financing. M&I Mortgage
Corp. originates, purchases, sells and services residential mortgages. M&I
Mortgage Reinsurance Corporation, a subsidiary of M&I First National Bank, acts
as a reinsurer of private mortgage insurance written in connection with
residential mortgage loans originated in the M&I system. The Richter-Schroeder
Company originates and services long-term commercial real estate loans for
institutional investors. M&I Capital Markets Group L.L.C. provides venture
capital, financial advisory and strategic planning services to customers,
including assistance in connection with the private placement of securities,
raising funds for expansion, leveraged buy-outs, divestitures, mergers and
acquisitions and small business investment company transactions. M&I Brokerage
Services, Inc., a broker-dealer registered with the National Association of
Securities Dealers and the Securities and Exchange Commission, provides
brokerage and other investment related services to a variety of retail and
commercial customers.

                                        1
<PAGE>   3

PRINCIPAL SOURCES OF REVENUE

     The table below shows the amount and percentages of M&I's total
consolidated operating revenues resulting from interest on loans and leases,
interest on investment securities and fees for data processing services for each
of the last three years ($ in thousands):

<TABLE>
<CAPTION>
                            INTEREST ON              INTEREST ON            FEES FOR DATA
                          LOANS AND LEASES      INVESTMENT SECURITIES    PROCESSING SERVICES
                       ----------------------   ----------------------   --------------------
                                     PERCENT                 PERCENT                 PERCENT
                                    OF TOTAL                 OF TOTAL               OF TOTAL      TOTAL
YEAR ENDED                          OPERATING               OPERATING               OPERATING   OPERATING
DECEMBER 31              AMOUNT     REVENUES     AMOUNT      REVENUES     AMOUNT    REVENUES     REVENUES
- -----------            ----------   ---------   ---------   ----------   --------   ---------   ----------
<S>                    <C>          <C>         <C>         <C>          <C>        <C>         <C>
1999.................  $1,156,775     49.4%     $337,945       14.4%     $485,941     20.7%     $2,342,358
1998.................   1,085,829     49.6       346,012       15.8       412,632     18.8       2,190,377
1997.................     921,161     50.4       297,156       16.2       343,846     18.8       1,828,802
</TABLE>

     M&I business segment information is contained in Note 19 of the Notes to
the Consolidated Financial Statements contained in Item 8, Consolidated
Financial Statements and Supplementary Data.

COMPETITION

     M&I and its subsidiaries face substantial competition from hundreds of
competitors in the markets they serve, some of which are larger and have greater
resources than M&I. M&I's bank subsidiaries compete for deposits and other
sources of funds and for credit relationships with other banks, savings
associations, credit unions, finance companies, mutual funds, life insurance
companies (and other long-term lenders) and other financial and non-financial
companies located both within and outside M&I's primary market area, many of
which offer products functionally equivalent to bank products. M&I's non-bank
operations compete with numerous banks, finance companies, data servicing
companies, leasing companies, mortgage bankers, brokerage firms, financial
advisors, trust companies, mutual funds and investment bankers in Wisconsin and
throughout the United States.

     The market for the banking technology services offered by M&I Data Services
is international in scope. In any given geographic area, M&I Data Services'
competitors vary in size and include national, regional and local operations.
While historically the bank data processing industry has been highly
decentralized, there is an accelerating trend toward consolidation in the
industry, resulting in fewer companies competing over larger geographic regions.
As consolidation continues, successful companies in this business are likely to
increase substantially in size as the scale of activity necessary to compete
increases.

EMPLOYEES

     As of December 31, 1999, M&I and its subsidiaries employed in the aggregate
approximately 11,433 employees. M&I considers employee relations to be
excellent. None of the employees of M&I or its subsidiaries are represented by a
collective bargaining group.

SUPERVISION AND REGULATION

     As a registered bank holding company, M&I is subject to regulation and
examination by the FRB under the BHCA. M&I's state bank subsidiaries are subject
to regulation and examination by the Wisconsin Department of Financial
Institutions, or in the case of M&I Thunderbird Bank, the Arizona State Banking
Department. In addition, all of M&I's state chartered banks are regulated by the
FRB. M&I's federal savings bank subsidiary is subject to regulation and
examination by the Office of Thrift Supervision. M&I's national bank subsidiary
is subject to regulation and examination by the Office of the Comptroller of the
Currency. In addition, all of M&I's bank subsidiaries are subject to examination
by the FDIC.

     Under FRB policy, M&I is expected to act as a source of financial strength
to each of its bank subsidiaries and to commit resources to support each bank
subsidiary in circumstances when it might not do so absent such requirements. In
addition, there are numerous federal and state laws and regulations which

                                        2
<PAGE>   4

regulate the activities of M&I and its bank subsidiaries, including requirements
and limitations relating to capital and reserve requirements, permissible
investments and lines of business, transactions with affiliates, loan limits,
mergers and acquisitions, issuances of securities, dividend payments,
inter-affiliate liabilities, extensions of credit and branch banking.
Information regarding capital requirements for bank holding companies and tables
reflecting M&I's regulatory capital position at December 31, 1999 can be found
in Note 13 of the Notes to the Consolidated Financial Statements contained in
Item 8, Consolidated Financial Statements and Supplementary Data.

     The federal regulatory agencies have broad power to take prompt corrective
action if a depository institution fails to maintain certain capital levels. In
addition, a bank holding company's controlled insured depository institutions
are liable for any loss incurred by the FDIC in connection with the default of,
or any FDIC-assisted transaction involving, an affiliated insured bank or
savings association. Current federal law provides that adequately capitalized
and managed bank holding companies from any state may acquire banks and bank
holding companies located in any other state, subject to certain conditions.
Banks are permitted to create interstate branching networks in states that do
not "opt out" of interstate branching.

     The laws and regulations to which M&I is subject are constantly under
review by Congress, regulatory agencies and state legislatures. On November 12,
1999, President Clinton signed important legislation passed by Congress to
overturn Depression-era restrictions on affiliations by banking organizations.
This comprehensive legislation, referred to as the Gramm-Leach-Bliley Act (the
"Act"), eliminates certain barriers to and restrictions on affiliations between
banks and securities firms, insurance companies and other financial services
organizations. The Act provides for a new type of "financial holding company"
structure under which affiliations among these entities may occur, subject to
the regulation of the Federal Reserve Board and regulation of affiliates by the
functional regulators, including the Securities and Exchange Commission and
state insurance regulators. In addition, the Act permits certain non-banking
financial and financially related activities to be conducted by operating
subsidiaries of a national bank. Under the Act, a bank holding company may
become certified as a financial holding company by filing a notice with the
Federal Reserve Board, together with a certification that the bank holding
company meets certain criteria, including capital, management and Community
Reinvestment Act requirements. The Act contains a number of provisions
allocating regulatory authority among the Federal Reserve Board, other banking
regulators, the Securities and Exchange Commission and state insurance
regulators. In addition, the Act imposes strict new privacy disclosure and "opt
out" requirements regarding the ability of financial institutions to share
personal non-public customer information with third parties.

     Other important provisions of the Act permit merchant banking and venture
capital activities, and insurance underwriting, to be conducted by a subsidiary
of a financial holding company, and municipal securities underwriting activities
to be conducted directly by a national bank or by its subsidiary. Under the Act,
a financial holding company may engage in a broad list of "financial
activities," and any non-financial activity that the Federal Reserve Board
determines is "complementary" to a financial activity and poses no substantial
risk to the safety and soundness of depository institutions or the financial
system.

     While certain provisions of the Act became effective on November 12, 1999,
other provisions are subject to delayed effective dates, and in some cases, will
be implemented only upon the adoption by federal regulatory agencies of rules
prescribed by the Act.

     The earnings and business of M&I and its bank subsidiaries also are
affected by the general economic and political conditions in the United States
and abroad and by the monetary and fiscal policies of various federal agencies.
The FRB impacts the competitive conditions under which M&I operates by
determining the cost of funds obtained from money market sources for lending and
investing and by exerting influence on interest rates and credit conditions. In
addition, legislative and economic factors can be expected to have an ongoing
impact on the competitive environment within the financial services industry.
The impact of fluctuating economic conditions and federal regulatory policies on
the future profitability of M&I and its subsidiaries cannot be predicted with
certainty.

                                        3
<PAGE>   5

SELECTED STATISTICAL INFORMATION

     Statistical information relating to M&I and its subsidiaries on a
consolidated basis is set forth as follows:

          (1) Average Balance Sheets and Analysis of Net Interest Income for
              each of the last three years is included in Item 7, Management's
              Discussion and Analysis of Financial Position and Results of
              Operations.

          (2) Analysis of Changes in Interest Income and Interest Expense for
              each of the last two years is included in Item 7, Management's
              Discussion and Analysis of Financial Position and Results of
              Operations.

          (3) Nonaccrual, Past Due and Restructured Loans and Leases for each of
              the last five years is included in Item 7, Management's Discussion
              and Analysis of Financial Position and Results of Operations.

          (4) Summary of Loan and Lease Loss Experience for each of the last
              five years (including the narrative discussion) is included in
              Item 7, Management's Discussion and Analysis of Financial Position
              and Results of Operations.

          (5) Return on Average Shareholders' Equity, Return on Average Assets
              and other statistical ratios for each of the last five years can
              be found in Item 6, Selected Financial Data.

     The following tables set forth certain statistical information relating to
M&I and its subsidiaries on a consolidated basis.

INVESTMENT SECURITIES

     The amortized cost of M&I's consolidated investment securities, other than
trading and other short-term investments, at December 31 of each year are ($ in
thousands):

<TABLE>
<CAPTION>
                                                      1999         1998         1997
                                                   ----------   ----------   ----------
<S>                                                <C>          <C>          <C>
U.S. Treasury and government agencies............  $3,924,192   $3,658,730   $4,051,239
States and political subdivisions................   1,277,638    1,051,712      926,129
Other............................................     377,289      304,174      326,329
                                                   ----------   ----------   ----------
                                                   $5,579,119   $5,014,616   $5,303,697
                                                   ==========   ==========   ==========
</TABLE>

     The maturities, at amortized cost, and weighted average yields (for
tax-exempt obligations on a fully taxable basis assuming a 35% tax rate) of
investment securities at December 31, 1999 are ($ in thousands):

<TABLE>
<CAPTION>
                                                      AFTER ONE BUT       AFTER FIVE BUT
                                   WITHIN ONE          WITHIN FIVE          WITHIN TEN         AFTER TEN
                                      YEAR                YEARS               YEARS              YEARS               TOTAL
                               ------------------   ------------------   ----------------   ----------------   ------------------
                                 AMOUNT     YIELD     AMOUNT     YIELD    AMOUNT    YIELD    AMOUNT    YIELD     AMOUNT     YIELD
                               ----------   -----   ----------   -----   --------   -----   --------   -----   ----------   -----
<S>                            <C>          <C>     <C>          <C>     <C>        <C>     <C>        <C>     <C>          <C>
U.S. Treasury and government
  agencies...................  $  918,073   6.52%   $2,302,368   6.57%   $671,094   6.43%   $ 32,657   7.02%   $3,924,192   6.54%
States and political
  subdivisions...............      53,485   6.50       324,449   6.82     286,122   7.08     613,582   7.39     1,277,638   7.14
Other........................      34,488   7.28       171,373   6.73      18,451   7.94     152,977   5.55       377,289   6.36
                               ----------   ----    ----------   ----    --------   ----    --------   ----    ----------   ----
                               $1,006,046   6.54%   $2,798,190   6.61%   $975,667   6.65%   $799,216   7.02%   $5,579,119   6.66%
                               ==========   ====    ==========   ====    ========   ====    ========   ====    ==========   ====
</TABLE>

                                        4
<PAGE>   6

TYPES OF LOANS AND LEASES

     M&I's consolidated loans and leases, classified by type, at December 31 of
each year are ($ in thousands):

<TABLE>
<CAPTION>
                                   1999          1998          1997          1996         1995
                                -----------   -----------   -----------   ----------   ----------
<S>                             <C>           <C>           <C>           <C>          <C>
Commercial, financial and
  agricultural................  $ 4,691,996   $ 4,025,663   $ 3,346,101   $2,904,341   $2,917,406
Industrial development revenue
  bonds.......................       62,861        52,174        49,126       32,241       29,358
Real estate:
  Construction................      494,558       425,442       458,670      394,228      386,235
  Mortgage:
     Residential..............    4,941,450     4,045,022     4,146,416    2,560,936    2,325,805
     Commercial...............    4,034,771     3,667,924     3,450,897    2,477,652    2,286,537
                                -----------   -----------   -----------   ----------   ----------
          Total mortgage......    8,976,221     7,712,946     7,597,313    5,038,588    4,612,342
Personal......................    1,299,416     1,166,541     1,161,608    1,181,846    1,169,920
Lease financing...............      810,009       613,400       489,094      331,505      277,680
                                -----------   -----------   -----------   ----------   ----------
                                 16,335,061    13,996,166    13,101,912    9,882,749    9,392,941
Less:
  Allowance for loan and lease
     losses...................      225,862       226,052       208,651      161,659      166,815
                                -----------   -----------   -----------   ----------   ----------
Net loans and leases..........  $16,109,199   $13,770,114   $12,893,261   $9,721,090   $9,226,126
                                ===========   ===========   ===========   ==========   ==========
</TABLE>

LOAN AND LEASE BALANCES AND MATURITIES

     The analysis of selected loan and lease maturities at December 31, 1999 and
the rate structure for the categories indicated are ($ in thousands):

<TABLE>
<CAPTION>
                                                                            RATE STRUCTURE OF LOANS AND LEASES
                                            MATURITY                                DUE AFTER ONE YEAR
                       --------------------------------------------------   ----------------------------------
                                      OVER ONE                              WITH PRE-      WITH
                        ONE YEAR    YEAR THROUGH   OVER FIVE                DETERMINED   FLOATING
                        OR LESS      FIVE YEARS      YEARS       TOTAL         RATE        RATE       TOTAL
                       ----------   ------------   ---------   ----------   ----------   --------   ----------
<S>                    <C>          <C>            <C>         <C>          <C>          <C>        <C>
Commercial, financial
  and agricultural...  $2,915,367    $1,596,930    $179,699    $4,691,996   $1,393,358   $383,271   $1,776,629
Industrial
  development revenue
  bonds..............      11,387        11,275      40,198        62,861       42,678      8,796       51,474
Real estate --
  construction.......     281,979       212,579          --       494,558      154,427     58,152      212,579
Lease financing......     156,644       636,672      16,693       810,009      653,365         --      653,365
                       ----------    ----------    --------    ----------   ----------   --------   ----------
                       $3,365,377    $2,457,456    $236,590    $6,059,424   $2,243,828   $450,219   $2,694,047
                       ==========    ==========    ========    ==========   ==========   ========   ==========
</TABLE>

Notes:

(1) Scheduled repayments are reported in the maturity category in which the
    payments are due based on the terms of the loan agreements. Demand loans,
    loans having no stated schedule of repayments and no stated maturity, and
    over-drafts are reported as due in one year or less.

(2) Amounts shown for the rate structure of loans and leases due after one year
    include the estimated effect arising from the use of interest rate swaps.

NONACCRUAL, PAST DUE AND RESTRUCTURED LOANS AND LEASES

     Generally, a loan is placed on nonaccrual if payment of interest is more
than 60 days delinquent and the loan has been determined by management to be a
"problem" loan. In addition, loans which are past due

                                        5
<PAGE>   7

90 days or more as to interest or principal are also placed on nonaccrual.
Exceptions to these rules are generally only for loans fully collateralized by
readily marketable securities or other relatively risk free collateral.

POTENTIAL PROBLEM LOANS AND LEASES

     At December 31, 1999 the Corporation had $14.0 million of loans for which
payments are presently current, but the borrowers are experiencing serious
financial problems. These loans are subject to constant management attention and
their classification is reviewed on a quarterly basis.

DEPOSITS

     The average amount of and the average rate paid on selected deposit
categories for each of the years ended December 31 is as follows ($ in
thousands):

<TABLE>
<CAPTION>
                                           1999                 1998                 1997
                                    ------------------   ------------------   ------------------
                                      AMOUNT      RATE     AMOUNT      RATE     AMOUNT      RATE
                                    -----------   ----   -----------   ----   -----------   ----
<S>                                 <C>           <C>    <C>           <C>    <C>           <C>
Noninterest bearing demand
  deposits........................  $ 2,663,609          $ 2,545,724          $ 2,301,097
Interest bearing demand
  deposits........................    1,116,919   1.54%    1,129,725   1.85%    1,017,535   1.89%
Savings deposits..................    5,740,898   3.86     5,145,798   4.02     3,921,297   3.88
Time deposits.....................    6,635,476   5.23     5,935,968   5.67     4,999,866   5.78
                                    -----------          -----------          -----------
          Total deposits..........  $16,156,902          $14,757,215          $12,239,795
                                    ===========          ===========          ===========
</TABLE>

     The maturity distribution of time deposits (CDs $100,000 and over and other
time) issued in amounts of $100,000 and over and outstanding at December 31,
1999 ($ in thousands) is:

<TABLE>
<S>                                                        <C>
Three months or less.....................................  $  527,200
Over three and through six months........................     311,685
Over six and through twelve months.......................     320,212
Over twelve months.......................................     755,078
                                                           ----------
                                                           $1,914,175
                                                           ==========
</TABLE>

     At December 31, 1999, time deposits issued by foreign offices totaled $1.33
billion.

SHORT-TERM BORROWINGS

     Information related to M&I's funds purchased and security repurchase
agreements for the last three years is as follows ($ in thousands):

<TABLE>
<CAPTION>
                                                    1999          1998          1997
                                                 ----------    ----------    ----------
<S>                                              <C>           <C>           <C>
Amount outstanding at year end.................  $1,402,077    $1,712,165    $1,486,665
Average amount outstanding during the year.....   2,276,978     2,042,371     1,820,744
Maximum amount outstanding at any month's
  end..........................................   2,609,501     2,541,006     1,987,883
Weighted average interest rate at year end.....        3.95%         4.39%         5.70%
Weighted average interest rate during the
  year.........................................        5.00%         5.36%         5.51%
</TABLE>

FORWARD-LOOKING STATEMENTS

     This report contains statements that may constitute forward-looking
statements within the meaning of the Private Securities Litigation Reform Act of
1995, such as statements other than historical facts contained or incorporated
by reference in this report. These statements speak of M&I's plans, goals,
beliefs or expectations, refer to estimates or use similar terms. Future filings
by M&I with the Securities and Exchange Commission, and statements other than
historical facts contained in written material, press releases and oral
statements issued by, or on behalf of, M&I may also constitute forward-looking
statements.

                                        6
<PAGE>   8

     Forward-looking statements are subject to significant risks and
uncertainties, and M&I's actual results may differ materially from the results
discussed in such forward-looking statements. Factors that might cause actual
results to differ from the results discussed in forward-looking statements
include, but are not limited to:

     - General economic conditions, either nationally or in the states in which
       M&I does business;

     - Legislation or regulatory changes which adversely affect the businesses
       in which M&I is engaged;

     - Changes in the interest rate environment which reduce interest margins;

     - Changes in securities markets with respect to the market value of
       financial assets and the level of volatility in certain markets such as
       foreign exchange;

     - Significant increases in competition in the banking and financial
       services industry resulting from industry consolidation, regulatory
       changes and other factors, as well as actions taken by particular
       competitors;

     - M&I's success in continuing to generate significant levels of new
       business in its existing markets and in identifying and penetrating
       targeted markets;

     - Changes in consumer spending, borrowing and saving habits;

     - Technological changes;

     - Acquisitions and unanticipated occurrences which delay or reduce the
       expected benefits of acquisitions;

     - M&I's ability to increase market share and control expenses;

     - The effect of compliance with legislation or regulatory changes;

     - The effect of changes in accounting policies and practices; and

     - The costs and effects of unanticipated litigation and of unexpected or
       adverse outcomes in such litigation.

     All forward-looking statements contained in this report or which may be
contained in future statements made for or on behalf of M&I are based upon
information available at the time the statement is made and M&I assumes no
obligation to update any forward-looking statement.

ITEM 2. PROPERTIES

     M&I and M&I Marshall & Ilsley Bank ("M&I Bank") occupy offices on all or
portions of 15 floors of a 21-story building located at 770 North Water Street,
Milwaukee, Wisconsin. M&I Bank owns the building and its adjacent 10-story
parking lot and leases the remaining floors to a professional tenant. In
addition, various subsidiaries of M&I lease commercial office space in downtown
Milwaukee office buildings near the 770 North Water Street facility. M&I Bank
also owns or leases various branch offices located in Milwaukee and in
surrounding suburban communities. M&I has 26 subsidiary banks throughout
Wisconsin. M&I Thunderbird Bank, a wholly-owned bank subsidiary of M&I, is
located in Phoenix, Arizona and has 13 offices in Phoenix and the surrounding
Maricopa County communities. M&I Bank FSB, a federal savings bank subsidiary of
M&I, is located in Las Vegas, Nevada and has 4 offices in the northern Chicago,
Illinois suburbs and a branch in Naples, Florida. The subsidiary banks and
savings association occupy modern facilities which are owned or leased. M&I owns
a data processing facility located in Brown Deer, a suburb of Milwaukee, from
which M&I Data Services conducts data processing activities. M&I owns an 160,000
square foot facility in Milwaukee that houses the software development teams of
M&I Data Services. Properties leased by M&I for M&I Data Services also include
commercial office space in Brown Deer, a data processing site in Oak Creek,
Wisconsin, and processing centers and sales offices in various cities throughout
the United States.

                                        7
<PAGE>   9

ITEM 3. LEGAL PROCEEDINGS

     M&I is not currently involved in any material pending legal proceedings
other than litigation of a routine nature and various legal matters which are
being defended and handled in the ordinary course of business.

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

     Not applicable.

                      EXECUTIVE OFFICERS OF THE REGISTRANT

<TABLE>
<CAPTION>
NAME OF OFFICER                                OFFICE
- ---------------                                ------
<S>                 <C>
J.B. Wigdale        Chairman of the Board since December 1992, Chief Executive
Age 63              Officer since October 1992, Director since December 1988,
                    Vice Chairman of the Board, December 1988 to December 1992,
                    Marshall & Ilsley Corporation; Chairman of the Board since
                    January 1989, Chief Executive Officer since 1987, Director
                    since 1981, M&I Marshall & Ilsley Bank; Director -- M&I
                    First National Leasing Corp., M&I Mortgage Corp., M&I Data
                    Services, M&I Insurance Services, Inc., M&I Brokerage
                    Services, Inc., M&I Capital Markets Group L.L.C., Marshall &
                    Ilsley Trust Company and M&I National Trust Company.
D.J. Kuester        Director since February 1994, President since 1987, Marshall
Age 58              & Ilsley Corporation; President and Director since January
                    1989, M&I Marshall & Ilsley Bank; Chairman of the Board and
                    Director, M&I Data Services; Director -- M&I Support
                    Services Corp.; Director and President -- M&I Insurance
                    Company of Arizona, Inc.
G.H. Gunnlaugsson   Director since February 1994, Executive Vice President and
Age 55              Chief Financial Officer since 1987, Marshall & Ilsley
                    Corporation; Vice President of M&I Marshall & Ilsley Bank
                    since 1976; Vice President and Director -- M&I Insurance
                    Company of Arizona, Inc.; Director -- M&I Mortgage Corp.,
                    M&I Data Services, M&I Insurance Services, Inc., M&I
                    Brokerage Services, Inc., M&I Capital Markets Group L.L.C.
                    and M&I Bank FSB.
T.M. Bolger         Senior Vice President and Chief Credit Officer since 1994,
Age 50              Marshall & Ilsley Corporation; Executive Vice President
                    since 1997, M&I Marshall & Ilsley Bank;
                    Director -- Richter-Schroeder Company, Inc. and M&I Bank
                    FSB.
J.L. Delgadillo     Senior Vice President of Marshall & Ilsley Corporation since
Age 47              1993; Chief Executive Officer since January 1998 and
                    Director of M&I Data Services since 1994; President and
                    Chief Operating Officer of M&I Data Services since 1993;
                    Senior Vice President of M&I Data Services from 1989 to
                    1993; Director and Executive Vice President -- M&I EastPoint
                    Technology, Inc. since 1996.
S.T. Happ           Senior Vice President since April 1999, Marshall & Ilsley
Age 38              Corporation; President, Chief Executive Officer and Director
                    since January 1994, M&I Mortgage Corp.; Vice President, M&I
                    Bank FSB; President and Director, M&I Mortgage Reinsurance
                    Corporation.
</TABLE>

                                        8
<PAGE>   10

<TABLE>
<CAPTION>
D.R. Jones          Senior Vice President since December 1993, Vice President and Affiliate Bank
Age 54              Manager since May 1993, Vice President and South Regional Manager from March
                    1989 to May 1993, Marshall & Ilsley Corporation; Director -- M&I Support
                    Services Corp.
<S>                 <C>
P.R. Justiliano     Senior Vice President since 1994 and Corporate Controller since April 1989,
Age 49              Vice President, 1986 to 1994, Marshall & Ilsley Corporation; Director and
                    Treasurer, M&I Insurance Company of Arizona, Inc.; Director -- M&I Bank FSB.
T.J. O'Neill        Senior Vice President since April 1997, Marshall & Ilsley Corporation;
Age 39              Senior Vice President since 1997, Vice President since 1990, M&I Marshall &
                    Ilsley Bank; President and Director, M&I Bank FSB and M&I Dealer Finance,
                    Inc.; Director -- M&I Support Services Corp.
J.L. Roberts        Senior Vice President of Marshall & Ilsley Corporation since 1994; Senior
Age 47              Vice President since 1994, Vice President and Controller from 1986 to 1995,
                    M&I Marshall & Ilsley Bank; President and Director of M&I Support Services
                    Corporation since 1995; Director -- M&I Bank FSB.
T.A. Root           Senior Vice President since 1998, Audit Director since May 1996, Vice
Age 43              President from 1991 to 1998, Marshall & Ilsley Corporation; Vice President
                    and Auditor since 1993, M&I Marshall & Ilsley Bank.
L.I. Sherman        Senior Vice President, Director of Marketing of Marshall & Ilsley
Age 51              Corporation since 1996; Senior Vice President/Director of Marketing from
                    1989 to 1995, Old Kent Financial Corp.
G.D. Strelow        Senior Vice President and Human Resources Director of Marshall & Ilsley
Age 65              Corporation since 1993; Vice President and Human Resources Director of M&I
                    Marshall & Ilsley Bank since 1980.
J.V. Williams       Senior Vice President since December 1997, Marshall & Ilsley Corporation;
Age 55              Executive Vice President and Chief Operating Officer since January 1999,
                    Marshall & Ilsley Trust Company; President, Chief Executive Officer and
                    Director since January 1996, M&I Insurance Services, Inc.; Senior Vice
                    President since 1994, M&I Marshall & Ilsley Bank; President, Chief Executive
                    Officer and Director since February 1989, M&I Brokerage Services, Inc.;
                    Director -- M&I Investment Management Corp., M&I Portfolio Services, Inc.
                    and M&I National Trust Company.
D.H. Wilson         Senior Vice President and Treasurer since December 1996, Vice President and
Age 40              Treasurer since 1995, Marshall & Ilsley Corporation; Vice President,
                    Treasury from June 1992 to May 1995, ABN AMRO/LaSalle National Bank;
                    Director -- M&I Custody of Nevada, Inc.
</TABLE>

                                        9
<PAGE>   11

                                    PART II

ITEM 5. MARKET FOR REGISTRANT'S COMMON STOCK AND RELATED STOCKHOLDER MATTERS

STOCK LISTING

     M&I's common stock is traded under the symbol "MI" on the New York Stock
Exchange. Common dividends declared and the price range for M&I's common stock
for each of the last five years can be found in Item 8, Consolidated Financial
Statements, Quarterly Financial Information.

     A discussion of the regulatory restrictions on the payment of dividends can
be found under Item 7, Management's Discussion and Analysis of Financial
Position and Results of Operations, and in Note 13 in Item 8, Consolidated
Financial Statements.

HOLDERS OF COMMON EQUITY

     At December 31, 1999, M&I had approximately 20,549 record holders of its
Common Stock.

                                       10
<PAGE>   12

ITEM 6. SELECTED FINANCIAL DATA

                        CONSOLIDATED SUMMARY OF EARNINGS
               YEARS ENDED DECEMBER 31 ($000'S EXCEPT SHARE DATA)

<TABLE>
<CAPTION>
                                        1999         1998         1997         1996        1995
                                     ----------   ----------   ----------   ----------   --------
<S>                                  <C>          <C>          <C>          <C>          <C>
INTEREST INCOME:
  Loans and Leases.................  $1,156,775   $1,085,829   $  921,161   $  804,951   $817,247
  Investment Securities:
     Taxable.......................     269,668      280,377      240,238      198,787    146,498
     Tax Exempt....................      58,820       52,969       45,420       30,718     18,112
  Other Short-term Investments.....      11,321       14,869       13,514       11,365     14,439
                                     ----------   ----------   ----------   ----------   --------
          Total Interest Income....   1,496,584    1,434,044    1,220,333    1,045,821    996,296
INTEREST EXPENSE:
  Deposits.........................     585,864      564,540      460,418      392,473    363,488
  Short-term Borrowings............     142,294      126,624      111,193       63,892     48,390
  Long-term Borrowings.............      63,145       66,810       54,175       53,615     63,701
                                     ----------   ----------   ----------   ----------   --------
          Total Interest Expense...     791,303      757,974      625,786      509,980    475,579
                                     ----------   ----------   ----------   ----------   --------
Net Interest Income................     705,281      676,070      594,547      535,841    520,717
Provision for Loan and Lease
  Losses...........................      25,419       27,090       17,633       15,634     16,558
                                     ----------   ----------   ----------   ----------   --------
Net Interest Income After Provision
  for Loan and Lease Losses........     679,862      648,980      576,914      520,207    504,159
OTHER INCOME:
  Data Processing Services.........     485,941      412,632      343,846      268,526    213,914
  Trust Services...................     100,963       88,496       78,595       70,190     64,176
  Net Securities Gains (Losses)....       7,676       30,783        4,127       15,471      5,189
  Other............................     251,194      224,422      181,901      157,087    146,319
                                     ----------   ----------   ----------   ----------   --------
          Total Other Income.......     845,774      756,333      608,469      511,274    429,598
OTHER EXPENSE:
  Salaries and Benefits............     583,659      523,606      460,164      392,711    352,466
  Merger/Restructuring.............          --       23,373           --           --         --
  Other............................     414,038      393,049      337,047      320,821    268,353
                                     ----------   ----------   ----------   ----------   --------
          Total Other Expense......     997,697      940,028      797,211      713,532    620,819
                                     ----------   ----------   ----------   ----------   --------
Income Before Taxes................     527,939      465,285      388,172      317,949    312,938
Provision for Income Taxes.........     173,428      163,962      131,487      111,314    111,247
                                     ----------   ----------   ----------   ----------   --------
          Net Income...............  $  354,511   $  301,323   $  256,685   $  206,635   $201,691
                                     ==========   ==========   ==========   ==========   ========
PER SHARE:
  Basic Net Income.................  $     3.32   $     2.79   $     2.62   $     2.12   $   2.04
  Diluted Net Income...............        3.14         2.61         2.43         1.98       1.91
  Common Dividends Declared........       0.940        0.860        0.785        0.720      0.645
OTHER SIGNIFICANT DATA:
  Year-End Common Stock Price......  $    62.81   $    58.44   $    62.13   $    34.63   $  26.00
  Return on Average Shareholders'
     Equity........................       16.32%       14.13%       16.49%       15.03%     15.91%
  Return on Average Assets.........        1.56         1.45         1.51         1.41       1.48
  Dividend Payout Ratio............       29.94        32.95        32.30        36.36      33.77
  Average Equity to Average Assets
     Ratio.........................        9.57        10.26         9.15         9.39       9.27
  Ratio of Earnings to Fixed
     Charges*
     Excluding Interest on
       Deposits....................        3.38x        3.25x        3.21x        3.52x      3.62x
     Including Interest on
       Deposits....................        1.65x        1.60x        1.61x        1.61x      1.65x
</TABLE>

- ---------------

* See Exhibit 12 for detailed computation of these ratios.

                                       11
<PAGE>   13

                      CONSOLIDATED AVERAGE BALANCE SHEETS
               YEARS ENDED DECEMBER 31 ($000'S EXCEPT SHARE DATA)

                                     Assets

<TABLE>
<CAPTION>
                                               1999           1998          1997          1996          1995
                                           ------------   ------------   -----------   -----------   -----------
<S>                                        <C>            <C>            <C>           <C>           <C>
Cash and Due from Banks..................  $    638,399   $    652,988   $   614,824   $   586,985   $   588,012
Short-term Investments...................       186,105        247,049       206,295       188,082       237,094
Trading Securities.......................        37,277         43,404        40,822        25,264        10,346
Investment Securities:
    Taxable..............................     4,208,498      4,317,668     3,570,225     3,104,010     2,405,046
    Tax Exempt...........................     1,217,847      1,078,333       913,130       668,913       374,014
Loans and Leases:
    Commercial...........................     4,359,880      3,749,518     3,128,568     2,947,631     2,842,688
    Real Estate..........................     8,639,360      7,967,626     6,309,818     5,139,926     5,268,669
    Personal.............................     1,204,931      1,154,110     1,147,203     1,148,511     1,165,852
    Lease Financing......................       705,054        532,043       394,024       293,448       262,566
                                           ------------   ------------   -----------   -----------   -----------
Total Loans and Leases...................    14,909,225     13,403,297    10,979,613     9,529,516     9,539,775
Allowance for Loan and Lease Losses......       228,500        216,456       174,525       166,886       166,350
                                           ------------   ------------   -----------   -----------   -----------
Net Loans and Leases.....................    14,680,725     13,186,841    10,805,088     9,362,630     9,373,425
Other Assets.............................     1,732,112      1,263,890       851,030       709,803       681,997
                                           ------------   ------------   -----------   -----------   -----------
         Total Assets....................  $ 22,700,963   $ 20,790,173   $17,001,414   $14,645,687   $13,669,934
                                           ============   ============   ===========   ===========   ===========

                                      Liabilities and Shareholders' Equity

Noninterest Bearing Deposits.............  $  2,663,609   $  2,545,724   $ 2,301,097   $ 2,116,197   $ 2,003,662
Interest Bearing Deposits:
  Savings and NOW Accounts...............     2,027,658      2,140,380     1,915,888     1,905,775     2,078,354
  Money Market Savings...................     4,830,159      4,135,143     3,022,944     2,597,732     2,113,550
  CDs of $100 or more....................     1,694,301      1,547,816     1,334,532       933,164       693,345
  Other..................................     4,941,175      4,388,152     3,665,334     3,344,644     3,393,785
                                           ------------   ------------   -----------   -----------   -----------
Total Deposits...........................    16,156,902     14,757,215    12,239,795    10,897,512    10,282,696
Short-term Borrowings....................     2,803,834      2,357,161     2,017,829     1,218,177       850,258
Long-term Borrowings.....................     1,009,132      1,046,321       787,819       823,397       959,022
Accrued Expenses and Other Liabilities...       558,978        496,439       399,605       331,743       310,332
Shareholders' Equity.....................     2,172,117      2,133,037     1,556,366     1,374,858     1,267,626
                                           ------------   ------------   -----------   -----------   -----------
         Total Liabilities and
           Shareholders' Equity..........  $ 22,700,963   $ 20,790,173   $17,001,414   $14,645,687   $13,669,934
                                           ============   ============   ===========   ===========   ===========
Other Significant Data:
  Book Value Per Share at Year End.......  $      19.47   $      19.88   $     17.94   $     13.75   $     13.34
  Average Common Shares Outstanding......   104,940,787    105,918,139    95,831,283    95,895,547    97,794,476
  Shareholders of Record at Year End*....        20,549         21,410        21,157        18,460        18,659
  Employees at Year End*.................        11,433         10,756        10,227         8,995         9,079
Historically Reported Credit Quality
  Ratios:*
  Net Loan and Lease Charge-offs to
    Average Loans and Leases.............          0.17%          0.07%         0.13%         0.23%         0.10%
  Total Nonperforming Loans and Leases**
    & OREO to End of Period Loans and
    Leases & OREO........................          0.75           0.85          0.70          0.81          0.79
  Allowance for Loan and Lease Losses to
    End of Period Loans and Leases.......          1.38           1.62          1.62          1.68          1.82
  Allowance for Loan and Lease Losses to
    Total Nonperforming Loans
    and Leases**.........................           193            206           275           225           261
</TABLE>

- ---------------

 * Not restated for acquisitions accounted for as pooling of interests.

** Loans and leases nonaccrual, restructured, and past due 90 days or more.

                                       12
<PAGE>   14

                             YIELD & COST ANALYSIS
                 YEARS ENDED DECEMBER 31 (TAX EQUIVALENT BASIS)

<TABLE>
<CAPTION>
                                                              1999   1998   1997   1996   1995
                                                              ----   ----   ----   ----   ----
<S>                                                           <C>    <C>    <C>    <C>    <C>
Average Rates Earned:
  Loans & Securitized ARMs..................................  7.77%  8.09%  8.36%  8.41%  8.58%
  Investment Securities -- Taxable..........................  6.26   6.26   6.62   6.29   6.09
  Investment Securities -- Tax Exempt.......................  7.13   7.44   7.40   6.76   6.89
  Trading Securities........................................  5.08   5.13   5.01   4.83   5.05
  Short-term Investments....................................  5.08   5.13   5.57   5.40   5.89
Average Rates Paid:
  Interest Bearing Deposits.................................  4.34%  4.62%  4.63%  4.47%  4.39%
  Short-term Borrowings.....................................  5.07   5.37   5.51   5.24   5.69
  Long-term Borrowings......................................  6.26   6.39   6.88   6.51   6.64
  M&I Marshall & Ilsley Bank Average Prime Rate.............  8.02   8.35   8.44   8.27   8.83
Summary Yield and Cost Analysis:
(As a % of Average Assets)
  Average Yield.............................................  6.72%  7.02%  7.31%  7.25%  7.37%
  Average Cost..............................................  3.49   3.64   3.68   3.48   3.48
                                                              ----   ----   ----   ----   ----
  Net Interest Income.......................................  3.23   3.38   3.63   3.77   3.89
  Provision for Loan and Lease Losses.......................  0.11   0.13   0.10   0.11   0.12
                                                              ----   ----   ----   ----   ----
  Net Interest Income After Provision for Loan and Lease
     Losses.................................................  3.12   3.25   3.53   3.66   3.77
  Net Securities Gains (Losses).............................  0.03   0.15   0.02   0.11   0.04
  Other Income..............................................  3.69   3.49   3.55   3.39   3.10
  Other Expense.............................................  4.39   4.52   4.68   4.88   4.54
                                                              ----   ----   ----   ----   ----
  Income Before Income Taxes................................  2.45   2.37   2.42   2.28   2.37
  Provision for Income Taxes................................  0.89   0.92   0.91   0.87   0.89
                                                              ----   ----   ----   ----   ----
          Net Income........................................  1.56%  1.45%  1.51%  1.41%  1.48%
                                                              ====   ====   ====   ====   ====
</TABLE>

                                       13
<PAGE>   15

ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL POSITION AND RESULTS
OF OPERATIONS

     Net income in 1999 amounted to $354.5 million or $3.14 per share on a
diluted basis. The return on average assets and return on average equity were
1.56% and 16.32%, respectively. By comparison, 1998 net income was $301.3
million, diluted earnings per share was $2.61, the return on average assets was
1.45% and the return on average equity was 14.13%. For the year ended December
31, 1997, net income was $256.7 million or $2.43 per share diluted and the
returns on average assets and average equity were 1.51% and 16.49%,
respectively.

     The results of operations and financial position for the periods presented
include the effects of the acquisitions of certain assets and liabilities by the
Data Services Division of the Corporation from the dates of merger. All three
transactions were accounted for as purchases. Cash consideration in the three
transactions aggregated $87 million.

     On April 1, 1998, the Corporation completed the merger with Advantage
Bancorp, Inc. ("Advantage") a Kenosha, Wisconsin based savings and loan holding
company by issuing 1.2 shares of the Corporation's Common Stock for each share
of Advantage Common Stock. At the time of merger, Advantage had consolidated
assets of $1.0 billion. The transaction was accounted for as a pooling of
interests. In conjunction with this transaction, the Corporation recorded a
merger/restructuring charge of approximately $23.4 million ($16.3 million
after-tax).

     The results of operations and average financial position for the periods
presented include the effects of the acquisition of Security Capital Corporation
("Security") from the date of merger which was October 1, 1997. M&I paid
approximately $376 million in cash and issued 12.3 million shares of its common
stock in a transaction that was accounted for as a purchase. Security had
approximately $2.2 billion of consolidated loans and $2.3 billion of
consolidated deposits at the time of merger.

     The following is a summary of the unusual items reported in 1998 and the
comparative operating income, earnings per share and return on average equity
based on operating income for 1999, 1998, and 1997.

<TABLE>
<CAPTION>
                                                              1999     1998     1997
                                                             ------   ------   ------
                                                              ($ IN MILLIONS, EXCEPT
                                                                 PER SHARE DATA)
<S>                                                          <C>      <C>      <C>
Net income.................................................  $354.5   $301.3   $256.7
Special charges
  Merger/Restructuring charges.............................      --     16.3       --
                                                             ------   ------   ------
Total special charges......................................      --     16.3       --
                                                             ------   ------   ------
Operating income...........................................  $354.5   $317.6   $256.7
                                                             ======   ======   ======
Operating income per share
  Basic....................................................  $ 3.32   $ 2.94   $ 2.62
  Diluted..................................................    3.14     2.76     2.43
Operating income to average equity.........................   16.32%   14.89%   16.49%
</TABLE>

                                       14
<PAGE>   16

     The following reconciles operating income to operating income before
amortization of intangibles ("tangible operating income"). Amortization includes
amortization of goodwill and core deposit premiums and is net of negative
goodwill accretion and the income tax benefit or expense, if any, related to
each component. These calculations were specifically formulated by the
Corporation and may not be comparable to similarly titled measures reported by
other companies.

    SUMMARY CONSOLIDATED TANGIBLE OPERATING INCOME AND FINANCIAL STATISTICS
                     ($ IN MILLIONS, EXCEPT PER SHARE DATA)

<TABLE>
<CAPTION>
                                                              1999     1998     1997
                                                             ------   ------   ------
<S>                                                          <C>      <C>      <C>
Operating income...........................................  $354.5   $317.6   $256.7
Amortization, net of tax...................................    23.8     21.0      8.5
                                                             ------   ------   ------
Tangible operating income..................................  $378.3   $338.6   $265.2
                                                             ======   ======   ======
Tangible operating income per share
  Basic....................................................  $ 3.55   $ 3.14   $ 2.71
  Diluted..................................................    3.35     2.94     2.51
Return on average tangible assets..........................    1.69%    1.65%    1.57%
Return on average tangible equity..........................   20.49    18.48    18.35
</TABLE>

OPERATING INCOME STATEMENT COMPONENTS AS A PERCENT OF AVERAGE TOTAL ASSETS

     The following table presents a summary of the major elements of the
consolidated operating income statements for the years ended December 31, 1999,
1998 and 1997. Each of the elements is stated as a percent of consolidated
average total assets outstanding for the respective year and, where appropriate,
is converted to a fully taxable equivalent basis (FTE). The results exclude the
special charges in 1998 as previously discussed.

<TABLE>
<CAPTION>
                                                              1999    1998    1997
                                                              -----   -----   -----
<S>                                                           <C>     <C>     <C>
Interest Income.............................................   6.72%   7.02%   7.31%
Interest Expense............................................  (3.49)  (3.64)  (3.68)
                                                              -----   -----   -----
Net Interest Income.........................................   3.23    3.38    3.63
Provision for Loan and Lease Losses.........................  (0.11)  (0.13)  (0.10)
Net Securities Gains........................................   0.03    0.15    0.02
Other Income................................................   3.69    3.49    3.55
Other Expense...............................................  (4.39)  (4.41)  (4.68)
                                                              -----   -----   -----
Income Before Income Taxes..................................   2.45    2.48    2.42
Income Taxes................................................  (0.89)  (0.95)  (0.91)
                                                              -----   -----   -----
Operating Income To Average Assets..........................   1.56%   1.53%   1.51%
                                                              =====   =====   =====
</TABLE>

NET INTEREST INCOME

     Net interest income in 1999 amounted to $705.3 million, an increase of
$29.2 million or 4.3% compared with net interest income of $676.1 million in
1998.

     Average earning assets in 1999 amounted to $20.6 billion compared to $19.1
billion in 1998, an increase of $1.5 billion or 7.7%. Average loans and leases,
including securitized adjustable rate mortgage loans (ARMs), increased $1.1
billion or 7.8%. The remaining growth in average earning assets was primarily
attributable to investment securities.

     Average interest bearing liabilities increased $1.7 billion or 10.8% in
1999 compared to 1998. Average interest bearing deposits increased $1.3 billion
or 10.5%. Average short-term borrowings increased $447 million while average
long-term borrowings decreased $37 million. Average noninterest bearing deposits
increased $118 million or 4.6% in 1999 compared to the prior year. The increase
in average interest bearing

                                       15
<PAGE>   17

liabilities in 1999 reflects funding of earning asset growth along with the
effect of cash paid for acquisitions and the effect of treasury share
repurchases.

     The growth and composition of the Corporation's average loan and lease
portfolio for the current year and prior two years are reflected in the
following table. The securitized ARM loans that are classified as investment
securities available for sale are included to provide a more meaningful
comparison ($ in millions):

<TABLE>
<CAPTION>
                                                                                          PERCENT
                                                                                           GROWTH
                                                                                        ------------
                                                                                        1999    1998
                                                                                         VS      VS
                                                      1999        1998        1997      1998    1997
                                                    ---------   ---------   ---------   -----   ----
<S>                                                 <C>         <C>         <C>         <C>     <C>
Commercial Loans..................................  $ 4,359.9   $ 3,749.5   $ 3,128.6    16.3%  19.8%
Real Estate Loans:
  Construction....................................      430.1       421.3       405.5     2.1    3.9
  Commercial Mortgages............................    3,845.3     3,545.1     2,787.7     8.5   27.2
  Residential Mortgages...........................    4,363.9     4,001.3     3,116.6     9.1   28.4
  Securitized ARM Loans...........................      536.6       919.3       618.2   (41.6)  48.7
                                                    ---------   ---------   ---------   -----   ----
Total Real Estate Loans & ARMs....................    9,175.9     8,887.0     6,928.0     3.3   28.3
Personal Loans:
  Student Loans...................................      257.9       268.8       280.8    (4.1)  (4.3)
  Other Personal Loans............................      947.0       885.3       866.4     7.0    2.2
                                                    ---------   ---------   ---------   -----   ----
Total Personal Loans..............................    1,204.9     1,154.1     1,147.2     4.4    0.6
Lease Financing Receivables:
  Commercial......................................      335.0       329.6       292.0     1.6   12.9
  Personal........................................      370.1       202.4       102.0    82.8   98.4
                                                    ---------   ---------   ---------   -----   ----
Total Lease Financing Receivables.................      705.1       532.0       394.0    32.5   35.0
                                                    ---------   ---------   ---------   -----   ----
Total Consolidated Average Loans, Leases & ARMs...  $15,445.8   $14,322.6   $11,597.8     7.8%  23.5%
                                                    =========   =========   =========   =====   ====
Total Consolidated Average Loans, Leases & ARMs
  Total Commercial Banking........................  $ 8,870.0   $ 7,910.5   $ 6,437.1    12.1%  22.9%
                                                    =========   =========   =========   =====   ====
  Total Retail Banking............................  $ 6,575.8   $ 6,412.1   $ 5,160.7     2.6%  24.2%
                                                    =========   =========   =========   =====   ====
Total Consolidated Average Loans and Leases.......  $14,909.2   $13,403.3   $10,979.6    11.2%  22.1%
                                                    =========   =========   =========   =====   ====
</TABLE>

     Compared to 1998, average loans, leases and ARMs increased $1.1 billion or
7.8%. Loan growth was primarily attributable to commercial banking. Total loan
growth in commercial banking amounted to $960 million or 12.1% and was driven by
commercial loan growth of $610 million and commercial real estate loan growth of
$344 million. Retail banking loan growth amounted to $164 million or 2.6%
primarily due to growth in home equity loans and lines of $400 million and $168
million of growth in lease financing receivables. Residential real estate loans
and securitized ARM loans decreased $455 million which reflects, in part, the
effect of increased prepayments throughout 1998 and early 1999 as customers
refinanced to fixed rate loans and reduced demand in the second half of 1999 due
to increases in interest rates. There were no ARM loan securitizations in 1999.
Generally, the Corporation sells fixed rate residential real estate loans in the
secondary market. One to four family residential real estate loans sold to
investors amounted to $1.1 billion in 1999 compared to $2.2 billion in 1998.

                                       16
<PAGE>   18

     The growth and composition of the Corporation's consolidated average
deposits for the current year and prior two years are reflected below ($ in
millions):

<TABLE>
<CAPTION>
                                                                            PERCENT GROWTH
                                                                            --------------
                                                                            1999     1998
                                                                             VS       VS
                                       1999         1998         1997       1998     1997
                                     ---------    ---------    ---------    -----    -----
<S>                                  <C>          <C>          <C>          <C>      <C>
Noninterest Bearing
  Commercial.......................  $ 1,720.3    $ 1,658.2    $ 1,499.5     3.7%    10.6%
  Personal.........................      558.7        508.9        452.3     9.8     12.5
  Other............................      384.6        378.6        349.3     1.6      8.4
                                     ---------    ---------    ---------    ----     ----
Total Noninterest Bearing
  Deposits.........................    2,663.6      2,545.7      2,301.1     4.6     10.6
Interest Bearing
  Savings and NOW..................    2,027.6      2,140.4      1,915.9    (5.3)    11.7
  Money Market.....................    4,830.2      4,135.1      3,022.9    16.8     36.8
  Other CDs & Time.................    4,941.2      4,388.2      3,665.4    12.6     19.7
  CDs Greater than $100,000........      817.9        816.5        703.9     0.2     16.0
  Brokered CDs.....................      876.4        731.3        630.6    19.8     16.0
                                     ---------    ---------    ---------    ----     ----
Total Interest Bearing Deposits....   13,493.3     12,211.5      9,938.7    10.5     22.9
                                     ---------    ---------    ---------    ----     ----
Total Consolidated Average
  Deposits.........................  $16,156.9    $14,757.2    $12,239.8     9.5%    20.6%
                                     =========    =========    =========    ====     ====
Total Bank Issued Deposits.........  $13,513.5    $13,194.5    $11,421.8     2.4%    15.5%
Total Wholesale Deposits...........    2,643.4      1,562.7        818.0    69.2     91.0
                                     ---------    ---------    ---------    ----     ----
Total Consolidated Average
  Deposits.........................  $16,156.9    $14,757.2    $12,239.8     9.5%    20.6%
                                     =========    =========    =========    ====     ====
</TABLE>

     Due to strong earning asset growth, particularly loan growth, the
Corporation made greater use of wholesale deposits in 1999 compared to the prior
year. Wholesale deposits increased $1.1 billion or 69.2%, of which, eurodollar
term and overnight deposits, which are included in Other CDs & Time, accounted
for $870 million of the increase while brokered CDs increased $145 million.

     Money market savings, especially money market index accounts, and
noninterest bearing deposits exhibited the greatest growth in bank issued
deposits in 1999 compared to 1998. Average bank issued money market savings
increased $630 million or 17.5% and noninterest bearing deposits increased $118
million or 4.6%. Average savings and NOW decreased $113 million or 5.3% in 1999
compared to the prior year.

     During 1999, M&I disposed of eight branches. Deposits and loans aggregating
approximately $92 million and $31 million, respectively were divested in 1999.

     The net interest margin (FTE) as a percent of average earning assets was
3.58% in 1999 compared to 3.69% in 1998, a decrease of 11 basis points. The
yield on earning assets decreased 25 basis points from 7.68% in 1998 to 7.43% in
1999 while the cost of interest bearing liabilities decreased 28 basis points
from 4.85% in 1998 to 4.57% in 1999.

     The yield on loans, leases and securitized ARMs was 7.77% in 1999 compared
to 8.09% in 1998, a decrease of 32 basis points. The decline in yield reflects,
in part, run-off of higher yielding loans and securitized ARMs throughout 1998
and early 1999 as well as lower yields on new loans. Excluding the effects of
Security purchase accounting premium amortization, the yields on loans, leases
and securitized ARMs would have been 7.79% in 1999 and 8.18% in 1998, a decline
of 39 basis points. Premium amortization associated with Security purchase
accounting adjustments for fixed rate mortgage and home equity loans amounted to
$4.0 million in 1999 compared to $11.2 million in 1998 which reflects a slowing
of prepayments beginning in the second quarter of 1999. Loan and lease growth
offset the yield decline and netted approximately $42 million or 64% of the
increase in interest on earning assets on a FTE basis.

     The remaining increase in interest on earning assets is primarily
attributable to investment securities. The total yield on the investment
security portfolio, excluding securitized ARMs, decreased by approximately

                                       17
<PAGE>   19

7 basis points in 1999 compared to 1998. Premium amortization associated with
Security purchase accounting adjustments for investment securities was $2.8
million in 1999 compared to $7.6 million in 1998. Excluding the effects of
purchase accounting premium amortization, the yields on investment securities
would have been 6.54% in 1999 and 6.72% in 1998, a decline of 18 basis points.
Average investment securities, excluding Securitized ARM loans and fair market
adjustments for available for sale securities, increased $456 million or 10.3%.
The increase in volume offset the decline in yield and contributed $27 million
or 41% of the increase in interest on earning assets on a FTE basis.

     The increase in the volume of interest bearing liabilities, primarily
deposits and short-term borrowings accounted for the increase in interest paid
on interest bearing liabilities in 1999. In addition to the use of wholesale
deposits to fund earning asset growth, interest expense was adversely affected
by the costs of acquisitions and the repurchase of treasury shares. The
Corporation estimates that approximately $9.3 million of interest expense is
attributable to the $317 million spent to repurchase common shares in 1999.

     During 1999, eight of the Corporation's banking affiliates began issuing
bank notes. At December 31, 1999, bank notes, which are included in short-term
borrowings, amounted to $550 million. See Note 11, Short-term Borrowings in
Notes to Consolidated Financial Statements contained in Item 8 herein for
further discussion regarding bank notes. During 1999, the Corporation issued $75
million of Series D medium-term notes which were used, in part, to refinance
maturities of medium-term notes in 1999. No additional borrowings may occur
under the existing medium-term note program and the Corporation anticipates
filing a shelf registration in 2000 to be able to increase its capacity to issue
additional debt.

     At December 31, 1999, the Corporation had receive fixed/pay floating
interest rate swaps and interest rate floors designated as hedges against the
interest rate volatility associated with variable rate loans, brokered callable
CDs, brokered callable step-up CDs, retail callable CDs and equity index CDs.
See Note 17, Financial Instruments with Off-Balance Sheet Risk in Notes to
Consolidated Financial Statements contained in Item 8 herein for further
discussion regarding the Corporation's use of derivative financial instruments.

     For 1999, the effect on net interest income resulting from the derivative
financial instruments designated as hedges was a positive $7.1 million compared
with a positive $5.1 million in 1998.

     In late December, 1998, the Corporation purchased $400 million of single
premium bank-owned life insurance policies which insure the lives of certain
officers of the Corporation and its affiliates. The Corporation is utilizing
this vehicle to fund future employee benefit obligations. These purchases were
funded by the maturities and sales of investment securities classified as
available for sale. The net realizable values of bank-owned life insurance
policies are a component of other assets in the consolidated balance sheets and
periodic increases in the values are included as a component of other income.
These transactions have the effect of reducing the Corporation's net interest
income (and margin) and increasing its other income.

     Excluding the Security purchase accounting premium amortization, the effect
of derivative financial instruments and the treasury common share repurchases in
1999, the net yield on interest earning assets was 3.62% in 1999 and 3.77% in
1998, a decline of 15 basis points. As previously discussed, the use of higher
cost funding sources in lieu of core deposit growth and lower yielding assets
all contributed to the decline. The Corporation's net interest margin will also
continue to be negatively impacted by rising interest rates. In addition to
continuing to seek less costly sources of funds, the Corporation may, among
other things, consider divesting of lower yielding assets through sale or
securitization in the future.

     Net interest income in 1998 amounted to $676.1 million, an increase of
$81.6 million or 13.7% compared with net interest income of $594.5 million in
1997.

     Average earning assets in 1998 amounted to $19.1 billion compared to $15.7
billion in 1997, an increase of $3.4 billion or 21.5%. Average loans and leases,
including securitized ARMs, increased $2.7 billion or 23.5% of which,
approximately $1.7 billion was attributable to the Security merger. The
remaining growth in average earning assets was primarily attributable to
investment securities. Approximately $840 million of the growth is attributable
to the Security merger.

                                       18
<PAGE>   20

     Average interest bearing liabilities increased $2.9 billion or 22.5% in
1998 compared to 1997. Average interest bearing deposits increased $2.3 billion
or 22.9%. Average short-term borrowings increased $339 million while average
long-term borrowings increased $259 million. Average noninterest bearing
deposits increased $245 million or 10.6% in 1998 compared to the prior year. The
Security merger accounted for approximately $1.8 billion of the growth in
average deposits, $129 million of the growth in average short-term borrowings
and increased average long-term borrowings by approximately $348 million.

     In 1998, $132 million of FHLB advances matured. Approximately $75 million
was refinanced with new FHLB advances. During 1997, the remaining $130.0 million
of the Corporation's banking subsidiaries' bank notes matured and were
refinanced primarily with short-term borrowings and brokered certificates of
deposit. In addition, $104.3 million of the Corporation's Medium Term Notes
Series B and C matured and were refinanced with Medium Term Notes Series C and
D. Medium Term Note maturities amounted to $1.8 million in 1998.

     Average loans associated with commercial banking increased $1.5 billion
while average loans associated with retail banking increased $1.3 billion in
1998 compared to 1997. As previously discussed, the annual loan growth is
largely attributable to the Security merger. Adjusting for Security's 1997
pre-merger average balances total consolidated average loans, leases and ARMs
grew approximately $618 million or 4.5% in 1998, with commercial loans growing
approximately $574 million or 18.1%, commercial real estate loans increasing
approximately $187 million or 5.6%, lease financing receivables growing
approximately $125 million or 30.6%, and construction loans growing
approximately $16 million or 3.9%. Partially offsetting those increases were
reductions of approximately $270 million or 5.2% in residential real estate
loans and ARMs and approximately $13 million or 1.1% for personal loans. The
decrease in residential real estate and ARM loans reflects the effect of
increased prepayments associated with customer refinancings to fixed rate loans
in response to declining interest rates. Generally, the Corporation sells fixed
rate residential real estate loans in the secondary market. One to four family
residential real estate loans sold to investors amounted to $2.2 billion in 1998
compared to $0.8 billion in 1997.

     During 1998, approximately $259 million of ARM loans were converted into
government guaranteed agency pool securities. ARM loans totaling approximately
$218 million were securitized in 1997. Approximately $580 million of securitized
ARMs were acquired in the Security merger.

     Money market savings exhibited the greatest growth when comparing average
deposits in 1998 to average deposits in 1997. Average money market savings
increased $1.1 billion in 1998 over 1997, of which, approximately $0.6 billion
of the increase is attributable to the Security merger.

     The increase in Other CDs & Time in 1998 compared with 1997 reflects, in
part, issuance of Callable CDs to customers and a $300 million or 121.4%
increase in foreign time deposits, primarily eurodollar deposits.

     The Corporation has a brokered CD program to acquire longer-term CDs with
maturities of one year or more in order to provide a stable source of funds that
over time is less costly than Bank Notes. During the second quarter of 1997, the
Corporation began issuing brokered CDs that are callable at the option of the
Corporation. Concurrently with the callable issues, the Corporation entered into
receive fixed interest rate swaps which are callable at the option of the
counterparties. The call provisions are generally exercisable one year after
issuance. Brokered callable CDs averaged $255 million and $34 million in 1998
and 1997, respectively, and amounted to $278.2 million and $124.8 million at
December 31 for those years. The brokered callable CDs together with the
interest rate swaps, provide term liquidity at rates below LIBOR.

     During 1997, M&I disposed of seven branches. Deposits and loans aggregating
approximately $64 million and $5 million, respectively were divested in 1997.

     The net interest margin (FTE) as a percent of average earning assets was
3.69% in 1998 compared to 3.94% in 1997, a decrease of 25 basis points. The
yield on earning assets decreased 26 basis points from 7.94% in 1997 to 7.68% in
1998 while the cost of interest bearing liabilities decreased 6 basis points
from 4.91% in 1997 to 4.85% in 1998.

                                       19
<PAGE>   21

     The yield on loans, leases and securitized ARMs was 8.09% in 1998 compared
to 8.36% in 1997, a decrease of 27 basis points. The decline in yield reflects,
in part, continued run-off of higher yielding loans and securitized ARMs as well
as accelerated amortization of purchase accounting premiums assigned to fixed
rate loans acquired from Security due to prepayments and refinancings in
response to declining interest rates. Premium amortization for fixed rate
mortgage loans and fixed rate home equity loans amounted to $11.2 million in
1998 compared to $0.7 million in 1997. Excluding the effects of the premium
amortization, the yields on loans, leases and securitized ARMs would have been
8.18% and 8.38% in 1998 and 1997, respectively, a decrease of 20 basis points.

     The remaining increase in interest on earning assets is primarily
attributable to investment securities. The total yield on the investment
security portfolio, excluding securitized ARMs, decreased by approximately 27
basis points in 1998 compared to 1997 and the average balance of such investment
securities, excluding fair value adjustments for available for sale securities,
increased $585 million or 15.3%.

     The increase in the volume of interest bearing deposits accounted for $107
million or 81% of the increase in interest paid on interest bearing liabilities
in 1998. The decrease in cost of borrowings was offset by the increase in
average balance resulting in an increase in interest expense of $28.1 million.

     At December 31, 1998, the Corporation had $1.0 billion in notional amount
of standard receive fixed/pay floating interest rate swaps, an interest rate
floor with $25 million in notional amount and $25 million in notional amount of
an interest rate cap. These derivative financial instruments were designated as
hedges against interest rate volatility associated with variable rate loans,
variable rate deposits, variable rate debt and fixed rate callable CDs. The
effect on net interest income was a positive $5.1 million in 1998 compared to
$2.6 million in 1997.

     Excluding the Security purchase accounting premium amortization and the
effect of derivative financial instruments the net yield on interest earning
assets was 3.77% in 1998 and 3.94% in 1997, a decline of 17 basis points.

                                       20
<PAGE>   22

           AVERAGE BALANCE SHEETS AND ANALYSIS OF NET INTEREST INCOME

     The Corporation's consolidated average balance sheets, interest earned and
interest paid, and the average interest rates earned and paid for each of the
last three years are presented in the following table. Securitized ARM loans
that are classified as investment securities available for sale are included
with loans and leases to provide a more meaningful comparison ($ in thousands):
<TABLE>
<CAPTION>
                                          1999                                  1998                             1997
                           -----------------------------------   -----------------------------------   ------------------------
                                          INTEREST    AVERAGE                   INTEREST    AVERAGE                   INTEREST
                             AVERAGE      EARNED/     YIELD OR     AVERAGE      EARNED/     YIELD OR     AVERAGE      EARNED/
                             BALANCE        PAID      COST(3)      BALANCE        PAID      COST(3)      BALANCE        PAID
                           -----------   ----------   --------   -----------   ----------   --------   -----------   ----------
<S>                        <C>           <C>          <C>        <C>           <C>          <C>        <C>           <C>
Loans, leases, and
  securitized
  ARMs(1)(2).............  $15,445,809   $1,198,505     7.77%    $14,322,551   $1,156,569     8.09%    $11,597,804   $  968,788
Investment securities:
  Taxable................    3,671,914      229,909     6.26       3,398,414      211,562     6.26       2,952,034      194,481
  Tax exempt(1)..........    1,217,847       85,552     7.13       1,078,333       77,212     7.44         913,130       66,372
Interest bearing deposits
  in other banks.........       21,566        1,184     5.49          28,704        1,466     5.11          28,838        1,527
Funds sold and security
  resale agreements......       68,764        3,758     5.47          38,738        2,218     5.73          89,809        5,091
Trading securities(1)....       37,277        1,894     5.08          43,404        2,225     5.13          40,822        2,046
Other short-term
  investments............       95,775        4,515     4.71         179,607        8,982     5.00          87,648        4,880
                           -----------   ----------     ----     -----------   ----------     ----     -----------   ----------
        Total interest
          earning
          assets.........   20,558,952    1,525,317     7.43%     19,089,751    1,460,234     7.68%     15,710,085    1,243,185
Cash and demand deposits
  due from banks.........      638,399                               652,988                               614,824
Premises and equipment,
  net....................      360,624                               357,040                               334,617
Other assets.............    1,371,488                               906,850                               516,413
Allowance for loan and
  lease losses...........     (228,500)                             (216,456)                             (174,525)
                           -----------                           -----------                           -----------
        Total assets.....  $22,700,963                           $20,790,173                           $17,001,414
                           ===========                           ===========                           ===========
Money market savings
  deposits...............  $ 4,830,159   $  205,148     4.25%    $ 4,135,143   $  184,621     4.46%    $ 3,022,944   $  130,549
Savings and interest
  bearing demand
  deposits...............    2,027,658       33,525     1.65       2,140,380       43,174     2.02       1,915,888       40,962
Other time deposits......    4,941,175      254,965     5.16       4,388,152      246,800     5.62       3,665,334      209,651
CDs greater than $100,
  brokered and callable
  CDs....................    1,694,301       92,226     5.44       1,547,816       89,945     5.81       1,334,532       79,256
                           -----------   ----------     ----     -----------   ----------     ----     -----------   ----------
Total interest bearing
  deposits...............   13,493,293      585,864     4.34      12,211,491      564,540     4.62       9,938,698      460,418
Short-term borrowings....    2,803,834      142,294     5.07       2,357,161      126,624     5.37       2,017,829      111,193
Long-term borrowings.....    1,009,132       63,145     6.26       1,046,321       66,810     6.39         787,819       54,175
                           -----------   ----------     ----     -----------   ----------     ----     -----------   ----------
        Total interest
          bearing
          liabilities....   17,306,259      791,303     4.57%     15,614,973      757,974     4.85%     12,744,346      625,786
Noninterest bearing
  deposits...............    2,663,609                             2,545,724                             2,301,097
Other liabilities........      558,978                               496,439                               399,605
Shareholders' equity.....    2,172,117                             2,133,037                             1,556,366
                           -----------                           -----------                           -----------
        Total liabilities
          and
          shareholders'
          equity.........  $22,700,963                           $20,790,173                           $17,001,414
                           ===========                           ===========                           ===========
Net interest income......                $  734,014                            $  702,260                            $  617,399
                                         ==========                            ==========                            ==========
        Net yield on
          interest
          earning
          assets.........                               3.58%                                 3.69%
                                                        ====                                  ====

<CAPTION>
                             1997
                           --------
                           AVERAGE
                           YIELD OR
                           COST(3)
                           --------
<S>                        <C>
Loans, leases, and
  securitized
  ARMs(1)(2).............    8.36%
Investment securities:
  Taxable................    6.62
  Tax exempt(1)..........    7.40
Interest bearing deposits
  in other banks.........    5.30
Funds sold and security
  resale agreements......    5.67
Trading securities(1)....    5.01
Other short-term
  investments............    5.57
                             ----
        Total interest
          earning
          assets.........    7.94%
Cash and demand deposits
  due from banks.........
Premises and equipment,
  net....................
Other assets.............
Allowance for loan and
  lease losses...........
        Total assets.....
Money market savings
  deposits...............    4.32%
Savings and interest
  bearing demand
  deposits...............    2.14
Other time deposits......    5.72
CDs greater than $100,
  brokered and callable
  CDs....................    5.94
                             ----
Total interest bearing
  deposits...............    4.63
Short-term borrowings....    5.51
Long-term borrowings.....    6.88
                             ----
        Total interest
          bearing
          liabilities....    4.91%
Noninterest bearing
  deposits...............
Other liabilities........
Shareholders' equity.....
        Total liabilities
          and
          shareholders'
          equity.........
Net interest income......
        Net yield on
          interest
          earning
          assets.........    3.94%
                             ====
</TABLE>

- ---------------

Notes:

(1) Fully taxable equivalent basis, assuming a Federal income tax rate of 35%
    for all years presented, and excluding disallowed interest expense.

(2) Loans and leases on nonaccrual status have been included in the computation
    of average balances.

(3) Based on average balances excluding fair value adjustments for available for
    sale securities.

                                       21
<PAGE>   23

          ANALYSIS OF CHANGES IN INTEREST INCOME AND INTEREST EXPENSE

     The effect on interest income and interest expense due to volume and rate
changes in 1999 and 1998 are outlined in the following table. Changes not due
solely to either volume or rate are allocated to rate ($ in thousands):

<TABLE>
<CAPTION>
                                       1999 VERSUS 1998                    1998 VERSUS 1997
                               ---------------------------------   ---------------------------------
                               INCREASE (DECREASE)                 INCREASE (DECREASE)
                                 DUE TO CHANGE IN                    DUE TO CHANGE IN
                               --------------------                --------------------
                                AVERAGE    AVERAGE     INCREASE     AVERAGE    AVERAGE     INCREASE
                               VOLUME(2)     RATE     (DECREASE)   VOLUME(2)     RATE     (DECREASE)
                               ---------   --------   ----------   ---------   --------   ----------
<S>                            <C>         <C>        <C>          <C>         <C>        <C>
Interest on earning assets:
  Loans, leases, and
     securitized ARMs(1).....  $ 91,738    $(49,802)   $41,936     $227,138    $(39,357)   $187,781
Investment securities:
  Taxable....................    18,372         (25)    18,347       29,393     (12,312)     17,081
  Tax-exempt(1)..............    12,065      (3,725)     8,340       10,469         371      10,840
Interest bearing deposits in
  other banks................      (365)         83       (282)          (7)        (54)        (61)
Funds sold and security
  resale agreements..........     1,720        (180)     1,540       (2,896)         23      (2,873)
Trading securities(1)........      (314)        (17)      (331)         129          50         179
Other short-term
  investments................    (4,192)       (275)    (4,467)       5,122      (1,020)      4,102
                               --------    --------    -------     --------    --------    --------
          Total interest
            income change....  $119,024    $(53,941)   $65,083     $269,348    $(52,299)   $217,049
                               ========    ========    =======     ========    ========    ========
Expense on interest bearing
  liabilities:
  Money market savings
     deposits................  $ 30,998    $(10,471)   $20,527     $ 48,047    $  6,025    $ 54,072
  Savings and interest
     bearing demand
     deposits................    (2,277)     (7,372)    (9,649)       4,804      (2,592)      2,212
  Other time deposits........    31,080     (22,915)     8,165       41,345      (4,228)     37,117
  CDs greater than $100,
     brokered and callable
     CDs.....................     8,511      (6,230)     2,281       12,669      (1,948)     10,721
                               --------    --------    -------     --------    --------    --------
  Total interest bearing
     deposits................    68,312     (46,988)    21,324      106,865      (2,743)    104,122
  Short-term borrowings......    23,986      (8,316)    15,670       18,697      (3,266)     15,431
  Long-term borrowings.......    (2,376)     (1,289)    (3,665)      17,785      (5,150)     12,635
                               --------    --------    -------     --------    --------    --------
          Total interest
            expense change...  $ 89,922    $(56,593)   $33,329     $143,347    $(11,159)   $132,188
                               ========    ========    =======     ========    ========    ========
</TABLE>

- ---------------

Notes:

(1) Fully taxable equivalent basis, assuming a Federal income tax rate of 35%
    for all years presented, and excluding disallowed interest expense.

(2) Based on average balances excluding fair value adjustments for available for
    sale securities.

                                       22
<PAGE>   24

          SUMMARY OF LOAN AND LEASE LOSS EXPERIENCE AND CREDIT QUALITY

     The following tables present comparative credit quality information as of
and for the year ended December 31, 1999 as well as the preceding four years:

                    CONSOLIDATED CREDIT QUALITY INFORMATION
                             DECEMBER 31, ($000'S)

<TABLE>
<CAPTION>
                                            1999       1998       1997       1996       1995
                                          --------   --------   --------   --------   --------
<S>                                       <C>        <C>        <C>        <C>        <C>
NONPERFORMING ASSETS BY TYPE
Loans and Leases:
  Nonaccrual............................  $106,387   $101,346   $ 66,945   $ 63,459   $ 52,972
  Renegotiated..........................       708        978      1,338      1,819      3,087
  Past Due 90 Days or More..............     9,975      7,631      8,238      7,366      8,184
                                          --------   --------   --------   --------   --------
  Total Nonperforming Loans and
     Leases.............................   117,070    109,955     76,521     72,644     64,243
Other Real Estate Owned.................     6,230      8,751     15,573      8,052     11,103
                                          --------   --------   --------   --------   --------
          Total Nonperforming Assets....  $123,300   $118,706   $ 92,094   $ 80,696   $ 75,346
                                          ========   ========   ========   ========   ========
Allowance for Loan and Lease Losses.....  $225,862   $226,052   $208,651   $161,659   $166,815
                                          ========   ========   ========   ========   ========
CONSOLIDATED STATISTICS
Net Charge-offs to Average Loans and
  Leases................................      0.17%      0.07%      0.12%      0.21%      0.10%
Total Nonperforming Loans and Leases to
  Total Loans and Leases................      0.72       0.79       0.58       0.74       0.68
Total Nonperforming Assets to Total
  Loans and Leases and Other Real Estate
  Owned.................................      0.75       0.85       0.70       0.82       0.80
Allowance for Loan and Lease Losses to
  Total Loans and Leases................      1.38       1.62       1.59       1.64       1.78
Allowance for Loan and Lease Losses to
  Nonperforming Loans and Leases........       193        206        273        223        260
</TABLE>

            MAJOR CATEGORIES OF NONACCRUAL LOANS AND LEASES ($000'S)

<TABLE>
<CAPTION>
                                            DECEMBER 31, 1999                DECEMBER 31, 1998
                                      ------------------------------   ------------------------------
                                                   % OF                             % OF
                                                   LOAN      % OF                   LOAN      % OF
                                      NONACCRUAL   TYPE   NONACCRUAL   NONACCRUAL   TYPE   NONACCRUAL
                                      ----------   ----   ----------   ----------   ----   ----------
<S>                                   <C>          <C>    <C>          <C>          <C>    <C>
COMMERCIAL AND LEASE FINANCING......   $ 56,806    1.1%      53.4%      $ 42,026    1.0%      41.5%
REAL ESTATE
Construction and Land Development...      2,609    0.5        2.5          1,952    0.5        1.9
Commercial Real Estate..............     19,668    0.5       18.5         21,586    0.6       21.3
Residential Real Estate.............     25,901    0.5       24.3         33,117    0.8       32.7
                                       --------    ---      -----       --------    ---      -----
  Total Real Estate.................     48,178    0.5       45.3         56,655    0.7       55.9
PERSONAL AND LEASE FINANCING........      1,403    0.1        1.3          2,665    0.2        2.6
                                       --------    ---      -----       --------    ---      -----
          Total.....................   $106,387    0.7%     100.0%      $101,346    0.7%     100.0%
                                       ========    ===      =====       ========    ===      =====
</TABLE>

                                       23
<PAGE>   25

  RECONCILIATION OF CONSOLIDATED ALLOWANCE FOR LOAN AND LEASE LOSSES ($000'S)

<TABLE>
<CAPTION>
                                            1999       1998       1997       1996       1995
                                          --------   --------   --------   --------   --------
<S>                                       <C>        <C>        <C>        <C>        <C>
Allowance for Loan and Lease Losses at
  Beginning of Year.....................  $226,052   $208,651   $161,659   $166,815   $159,506
Provision for Loan and Lease Losses.....    25,419     27,090     17,633     15,634     16,558
Allowance of Banks Acquired.............        --         --     42,773         --      2,843
Allowance Transfer for Loan
  Securitizations.......................        --         --         --       (440)    (2,275)
Loans and Leases Charged-off:
  Commercial............................    17,275      6,401      8,474     16,294      5,225
  Real Estate -- Construction...........       157        352         87         13        407
  Real Estate -- Mortgage...............     5,719      5,115      3,907      3,446      2,914
  Personal..............................     7,121      7,886      7,868      6,390      5,783
  Leases................................     2,285      1,191      1,166      2,397        875
                                          --------   --------   --------   --------   --------
Total Charge-offs.......................    32,557     20,945     21,502     28,540     15,204
Recoveries on Loans and Leases:
  Commercial............................     2,696      6,708      4,176      3,231      2,123
  Real Estate -- Construction...........         6        164         53          9         39
  Real Estate -- Mortgage...............     1,413      1,369      1,097      2,483      1,035
  Personal..............................     2,244      2,690      2,501      2,355      2,167
  Leases................................       589        325        261        112         23
                                          --------   --------   --------   --------   --------
Total Recoveries........................     6,948     11,256      8,088      8,190      5,387
                                          --------   --------   --------   --------   --------
Net Loans and Leases Charged-off........    25,609      9,689     13,414     20,350      9,817
                                          --------   --------   --------   --------   --------
Allowance for Loan and Lease Losses at
  End of Year...........................  $225,862   $226,052   $208,651   $161,659   $166,815
                                          ========   ========   ========   ========   ========
</TABLE>

     Nonperforming assets consist of nonperforming loans and other real estate
owned (OREO).

     OREO is comprised of commercial and residential properties acquired in
partial or total satisfaction of problem loans and branch premises held for
sale. OREO acquired in satisfaction of debts amounted to $5.1 million, $5.6
million and $3.8 million at December 31, 1999, 1998 and 1997 respectively.
Branch premises held for sale amounted to $1.1 million, $3.2 million and $11.7
million at the end of 1999, 1998 and 1997, respectively. The majority of
Security's branch and operations facilities were closed due to customer service
and operating overlap resulting in the increase in branch premises held for sale
at December 31, 1997.

     Nonperforming loans and leases consist of nonaccrual, renegotiated or
restructured loans, and loans and leases that are delinquent 90 days or more and
still accruing interest. The balance of nonperforming loans and leases can
fluctuate widely based on the timing of cash collections, renegotiations and
renewals.

     Maintaining nonperforming assets at an acceptable level is important to the
ongoing success of a financial services institution. The Corporation's
comprehensive credit review and approval process is critical to ensuring that
the amount of nonperforming assets on a long-term basis is minimized within the
overall framework of acceptable levels of credit risk. In addition to the
negative impact on net interest income and credit losses, nonperforming assets
also increase operating costs due to the expense associated with collection
efforts.

     At December 31, 1999, nonperforming loans and leases amounted to $117.1
million or 0.72% of consolidated loans and leases compared to $110.0 million or
0.79% at December 31, 1998 and $76.5 million or 0.58% at December 31, 1997.
Nonaccrual loans increased $5.0 million at year end 1999 compared to year end
1998. The increase in nonaccrual commercial loans and leases of $14.8 million
was offset by a decrease in nonaccrual real estate loans of $8.5 million. Three
larger commercial loans aggregating $37.7 million, including one loan of $24.7
million placed on nonaccrual in the fourth quarter of 1998, accounted for 35% of
total nonaccrual loans at December 31, 1999. Loans past due ninety days and
still accruing amounted to $10.0 million at December 31, 1999 compared to $7.6
million at December 31, 1998, an increase of

                                       24
<PAGE>   26

$2.4 million or 30.7%. Personal loans including residential real estate, credit
card, student loans and other personal loans accounted for $1.5 million of the
increase.

     Net charge-offs amounted to $25.6 million or 0.17% of average loans and
leases in 1999 compared with $9.7 million or 0.07% of average loans and leases
in 1998 and $13.4 million or 0.12% of average loans and leases in 1997. Net
charge-offs in 1998 include one large commercial recovery. Excluding that
recovery, net charge-offs in 1998 would have been $14.0 million or 0.10% of
average loans and leases. Partial charge-offs on two larger commercial loans and
leases accounted for $12.3 million or 48% of net charge-offs in 1999. The
remaining balances were placed on nonaccrual as previously discussed. Excluding
the two larger partial charge-offs, net charge-offs in 1999 would have been
$13.3 million or 0.09% of average loans.

     The allowance for loan and lease losses represents management's estimate of
probable inherent losses which have occurred as of the date of the financial
statements. In determining the adequacy of the reserve the Corporation evaluates
the reserves necessary for specific nonperforming loans and also estimates
losses inherent in other loans and leases. As a result, the allowance for loans
and leases contains the following components:

          Specific Reserve. The amount of specific reserves is determined
     through a loan-by-loan analysis of nonperforming loans that considers
     expected future cash flows, the value of collateral and other factors that
     may impact the borrower's ability to make payments when due. Included in
     this group are those nonaccrual or renegotiated loans which meet the
     criteria as being "impaired" under the definition in SFAS 114. A loan is
     impaired when, based on current information and events, it is probable that
     a creditor will be unable to collect all amounts due according to the
     contractual terms of the loan agreement.

          Allocated inherent reserve. The amount of the allocated portion of the
     inherent loss reserve is determined by reserving factors assigned to loans
     and leases based on the Corporation's internal loan grading system. Line
     officers and loan committees are responsible for continually assigning
     grades to commercial loan types based on standards established in the
     Corporation's loan policies and adherence to the standards is closely
     monitored by the Corporation's Loan Review Group. Loan grades are similar
     to, but generally more conservative than, regulatory classifications. In
     addition, reserving factors are applied to retail and smaller balance
     ungraded credits as well as specialty loan products such as credit card,
     student loans and mortgages. Reserving factors are derived and are
     determined based on such factors as historical charge-off experience,
     remaining life, and industry practice for reserve levels. The use of
     industry practice is intended to prevent an understatement of reserves
     based upon an over-reliance on historical charge-offs during favorable
     economic conditions.

          Unallocated inherent reserve. Management determines the unallocated
     portion of the inherent loss reserve based on factors that cannot be
     associated with a specific credit or loan categories. These factors include
     management's subjective evaluation of local, national and international
     economic and business conditions, changes to underwriting standards and
     marketing channels such as use of centralized retail and small business
     credit centers, trends towards higher advance rates and longer amortization
     periods and the impact of acquisitions on the Corporation's credit risk
     profile. The unallocated portion of the inherent loss reserve also reflects
     management's attempt to ensure that the overall reserve appropriately
     reflects a margin for the imprecision necessarily inherent in estimates of
     expected credit losses.

     Management's evaluation of the factors described above resulted in an
allowance for loan and lease losses of $225.9 million at December 31, 1999
compared to $226.1 million at December 31, 1998 and $208.7 million at December
31, 1997. The level of reserve reflects management's belief that losses inherent
in the loan and lease portfolio were larger than would otherwise be suggested by
the Corporation's favorable charge-off experience in recent years; the
Corporation's experience, as most recently evidenced in the current year, of
larger losses in commercial and commercial real estate loans in brief periods at
particular points in economic cycles; and the view that the absolute level of
the allowance should not decline appreciably given continuing loan growth and
the potential for the unprecedented period of economic prosperity to come to an
end.

                                       25
<PAGE>   27

     The resulting provision for loan and lease losses amounted to $25.4 million
for the twelve months ended December 31, 1999, while net charge-offs totaled
$25.6 million.

     Charge-offs for 2000 will continue to be affected by the various factors
previously discussed. The Corporation anticipates charge-off levels more closely
matching historical levels instead of the higher than normal level experienced
in 1999. However, negative economic events, adverse developments in industry
segments within the portfolio, or deterioration of a large loan or loans could
have significant adverse impacts on the loss levels. There are no known material
loans believed to be in imminent danger of deteriorating or defaulting which
would give rise to a large near-term charge-off.

OTHER INCOME

     Total other income amounted to $845.8 million in 1999 compared to $756.3
million in 1998, an increase of $89.5 million or 11.8%.

     Total data processing services revenue increased $73.3 million or 17.8%
from $412.6 million in 1998 to $485.9 million in the current year. Processing
revenue which includes processing, conversions, contract buyouts, equipment
sales and card personalization increased $25.4 million. Processing revenue
increased $32.6 million while revenues from conversions and buyout fees, which
vary from period to period, decreased $9.8 million. Revenue from software and
consulting decreased $13.0 million of which software accounted for $11.6 million
of the decline. Revenue from E-commerce which includes electronic funds
distribution, electronic banking, cash management, home banking, internet
banking, electronic payment services and a mortgage solution joint venture
increased $60.8 million or 75.5% in 1999 compared to 1998. Revenue associated
with acquisitions and the joint venture accounted for $43.1 million of the
increase.

     Internet banking revenue is primarily revenue from internet mortgage
lending and discount brokerage. Internet mortgage lending began in the fourth
quarter of 1998. During the third and fourth quarters of 1999, internet product
offerings were expanded to include deposit (CDs) and home equity lending.

     Fees from trust services were $101.0 million in 1999 compared to $88.5
million in 1998, an increase of $12.5 million or 14.1%. Personal trust fees
increased $3.7 million, commercial trust fees increased $2.5 million and revenue
from outsourcing services increased $2.7 million over the prior year.

     Service charges on deposits increased $8.0 million or 12.9% from $61.7
million in 1998 to $69.7 million in 1999. Service charges on commercial demand
accounted for $6.6 million of the increase.

     Mortgage banking revenue was $27.3 million in 1999 compared with $53.7
million in 1998, a decrease of $26.4 million. Gains from sales of mortgages to
the secondary market and mortgage related fees declined $23.0 million and loan
servicing fees decreased $3.4 million. As previously discussed, declining
interest rates throughout 1998 resulted in refinancings at record levels in 1998
and early 1999.

     Capital markets revenue decreased $12.4 million in 1999 compared to the
prior year. Net gains from the sale of investments, which vary from period to
period, accounted for $11.9 million of the decline. The Corporation anticipates
investment sale activity will increase in 2000.

     Life insurance revenue represents the increase in net realizable value
primarily associated with the purchase of $400 million of single premium
bank-owned life insurance policies late in 1998 which insure the lives of
certain officers of the Corporation and its affiliate banks. This vehicle is
being used to fund future employee benefit obligations.

     Net securities losses in 1999 amounted to $4.1 million and principally
represent write-offs of investments in housing equity partnerships. The
Corporation does not anticipate further write-downs or write-offs will be
necessary.

     Other noninterest income amounted to $125.9 million in 1999 compared to
$103.9 million in 1998, an increase of $22.0 million. Commissions and fees
increased $8.1 million. Deposit premiums from the sale of eight branches
amounted to $7.8 million. Death benefit gains from life insurance policies
amounted to $6.0 million.

                                       26
<PAGE>   28

     Total other income amounted to $756.3 million in 1998 compared to $608.5
million in 1997, an increase of $147.8 million or 24.3%.

     Total data processing services revenue increased $68.8 million or 20.0%
from $343.8 million in 1997 to $412.6 million in 1998. Processing revenue which
includes processing, conversions, contract buyouts and equipment sales increased
$29.4 million. Processing revenue increased $25.9 million while revenues from
conversions and buyout fees, which vary from period to period, increased $2.4
million. Revenue from software and consulting increased $16.6 million of which
software accounted for $17.3 million of the increase. Revenue from E-commerce
which includes electronic funds distribution, cash management, home banking and
internet banking, increased $22.8 million or 39.5% in 1998 compared to 1997.
Revenue from electronic funds distribution increased $16.5 million or 36.6% and
all other products exhibited individual growth in excess of 40%.

     Fees from trust services were $88.5 million in 1998 compared to $78.6
million in 1997, an increase of $9.9 million or 12.6%. Personal trust fees
increased $2.8 million and commercial trust fees increased $3.8 million while
all other major categories experienced revenue growth over the prior year.

     Service charges on deposits increased $3.8 million or 6.5% from $57.9
million in 1997 to $61.7 million in 1998. Service charges on commercial demand
accounted for $1.8 million of the increase.

     Mortgage banking revenue was $53.7 million in 1998 compared with $25.6
million in 1997, an increase of $28.1 million. Gains from sales of mortgages to
the secondary market and mortgage related fees increased $25.7 million and loan
servicing fees increased $2.4 million. As previously discussed, declining
interest rates throughout 1998 resulted in refinancings at record levels during
the year.

     Capital markets revenue amounted to $24.9 million in 1998 an increase of
$16.9 million compared to the prior year. Net gains from the sale of
investments, which vary from period to period, amounted to $23.6 million in 1998
compared to $6.7 million in 1997.

     Net securities gains in 1998 amounted to $7.1 million. Gains from the sale
of equity securities by the Corporation amounted to $3.9 million and gains from
the sale of available for sale securities by the Corporation's banking
affiliates amounted to $3.2 million. During 1998 proceeds from the maturities
and sale of securities were used to purchase bank-owned life insurance as
previously discussed. Net securities losses in 1997 amounted to $2.6 million.
Gains from the sale of equity securities by the Corporation amounted to $1.8
million. Losses due to repositioning of available for sale securities by the
Corporation's banking affiliates amounted to $4.4 million.

     Other noninterest income amounted to $103.9 million in 1998 compared to
$96.4 million in 1997, an increase of $7.5 million. Deposit premiums from the
sale of branches decreased $7.2 million. Loan and lease prepayment fees
increased $5.0 million, other commissions and fees increased $4.6 million, and
gains on sales of fixed assets increased $2.2 million.

OTHER EXPENSE

     Total other expense amounted to $997.7 million in 1999, an increase of
$81.0 million or 8.8% from $916.7 million, before merger/restructuring expense
in 1998. Including these charges, total other expense for 1998 amounted to
$940.0 million. The merger/restructuring expense of $23.4 million in 1998
relates to the merger with Advantage.

     The increase in expenses is primarily attributable to the Corporation's
nonbanking businesses, particularly its data processing business segment ("Data
Services"). Data Services expense growth of $62.2 million or 14.2% in 1999
compared to 1998 represents approximately 77% of the Corporations total
operating expense growth and reflects the cost of adding processing capacity and
other related costs associated with increased revenue growth including the
impact of acquisitions as well as continued work on Year 2000.

     Expense control is sometimes measured in the financial services industry by
the efficiency ratio statistic. The efficiency ratio is calculated by taking
total other expense (excluding special charges) divided by the sum of total
other income (excluding securities gains or losses other than Capital Markets
revenue) and net
                                       27
<PAGE>   29

interest income on a fully taxable equivalent basis. The Corporation's
efficiency ratios for the years ended December 31, 1999, 1998, and 1997 were:

<TABLE>
<CAPTION>
EFFICIENCY RATIOS                                             1999   1998   1997
- -----------------                                             ----   ----   ----
<S>                                                           <C>    <C>    <C>
Consolidated Corporation....................................  63.0%  63.2%  64.9%
Consolidated Corporation Excluding Data Services:
  Including Intangible Amortization.........................  52.1%  53.1%  56.1%
  Excluding Intangible Amortization.........................  49.3%  48.5%  54.3%
</TABLE>

     Total salaries and benefits expense amounted to $583.7 million for 1999
compared to $523.6 million in 1998, an increase of $60.1 million or 11.5%. The
data processing segment contributed approximately $36.5 million or 61% of the
increase. During 1999, Data Services had average full-time equivalent employees
and contract programmers of 4,310 compared to 3,926 in the prior year. Salaries
and benefits of the Corporation's banking segment increased $10.2 million or
5.6%. Incentive compensation based on the Corporation's common stock performance
increased $11.0 million.

     Net occupancy and equipment expenses increased $9.5 million in 1999 when
compared to 1998. Data Services activity resulted in approximately $5.9 million
or 62% of the 1999 increase.

     Software expense amounted to $27.0 million in 1999 compared to $22.2
million in 1998, an increase of $4.8 million or 21.6%. This increase is
primarily related to Data Services growth which accounted for $3.5 million of
the increase. Data Services growth consisted of additional and more costly
operating software associated with CPU upgrades, additional application software
and software acquired from acquisitions.

     Professional services increased $9.8 million or 38.5% over 1998. Data
Services accounted for $5.8 million of the increase. Banking and all others
which includes internet lending and deposit software development and
enhancements and fees associated with the moving from NASDAQ to the New York
Stock Exchange accounted for the remainder of the increase.

     Amortization of intangibles decreased $4.4 million. Amortization of core
deposit premiums decreased $3.8 million. Amortization of mortgage servicing
rights decreased $8.5 million which reflects the slowing of prepayment activity
in 1999. Goodwill amortization increased $8.0 million.

     Other expenses amounted to $107.4 million in 1999 compared to $111.8
million in the prior year, a decrease of $4.4 million or 3.9%.

     Other expense is affected by the capitalization of costs, net of
amortization, associated with software development and data processing
conversions. The amount of capitalized software development costs and
capitalized conversion costs net of their respective amortization increased $6.0
million and $2.0 million in 1999 compared to 1998. During 1999, capitalized
software impairment write-downs amounted to $1.1 million.

     Total other expense before merger/restructuring charges amounted to $916.7
million in 1998, an increase of $119.5 million or 15.0% from $797.2 million in
1997. Including these charges, total other expense for 1998 amounted to $940.0
million.

     The increase in expenses is primarily attributable to the Corporation's
nonbanking businesses, particularly its data processing business segment. Data
Services expense growth of $70.6 million or 19.3% in 1998 compared to 1997
represents approximately 59% of the Corporations total operating expense growth
and reflects the cost of adding processing capacity and other related costs
associated with increased revenue growth as well as continued work on Year 2000.

     Expenses of the Corporation's banking business in 1997 included the cost of
integrating Security into M&I. M&I added approximately 400 full-time equivalent
employees as a direct result of the merger excluding job opportunities offered
former Security employees for open job positions that existed prior to the
merger. In total, it is estimated that 570 M&I positions were filled by former
Security employees. At the time of merger, Security employed approximately 850
employees on a full-time equivalent basis. During the fourth quarter of 1997,
many former Security employees were temporarily retained to assist in
implementing systems and

                                       28
<PAGE>   30

operations conversions, attending to special customers needs and other issues to
ensure that the integration was as effective and efficient as possible.

     The merger with Security was an in-market acquisition which entailed a
significant amount of customer service and operating overlap. The Corporation
closed the majority of Security's branch and operating facilities in addition to
the reduction in work force described above resulting in lower operating
expenses.

     Total salaries and benefits expense amounted to $523.6 million for 1998
compared to $460.2 million in 1997, an increase of $63.4 million or 13.8%. The
data processing business contributed approximately $42.5 million or 67% of the
increase. During 1998, Data Services had average full-time equivalent employees
and contract programmers of 3,926 compared to 3,496 in the prior year. Salaries
and benefits of the Corporation's residential mortgage banking group increased
$3.7 million or 41.9%. Loan production in 1998 was $3.4 billion, an increase of
120% from last year. Salaries and benefits for Trust Services increased $5.5
million or 16.6% compared to 1997 which reflects increased costs to provide
outsourcing and other services associated with revenue growth.

     Net occupancy and equipment expenses increased $17.8 million in 1998 when
compared to 1997. Data Services activity resulted in approximately $13.7 million
or 77% of the 1998 increase in occupancy and equipment costs. Additional
depreciation and maintenance associated with equipment additions and
telecommunications equipment and charges accounted for $11.9 million of Data
Services' increase.

     Software expense amounted to $22.2 million in 1998 compared to $19.7
million in 1997, an increase of $2.5 million or 12.6%. This increase is
primarily related to Data Services growth which accounted for $1.4 million of
the increase. Data Services growth consisted of additional and more costly
operating software associated with CPU upgrades as well as additional
application software including software used for the Year 2000 project.

     Professional services increased $8.0 million or 46% over 1997. Data
Services accounted for $2.6 million of the increase. Banking and all others
accounted for the remainder of the increase.

     Amortization of intangibles increased $22.1 million primarily as a result
of the Security transaction and accelerated amortization of mortgage servicing
rights due to prepayments associated with refinancings.

     Other expenses amounted to $111.8 million in 1998 compared to $107.7
million in the prior year, an increase of $4.1 million or 3.8%.

     Other expense is also affected by the capitalization of costs, net of
amortization, associated with software development and data processing
conversions. The amount of capitalized software development costs and
capitalized conversion costs net of their respective amortization declined $3.3
million and $1.4 million in 1998 compared to 1997. During 1997, capitalized
software impairment write-downs amounted to $2.4 million.

INCOME TAX PROVISION

     The provision for income taxes was $173.4 million in 1999, $164.0 million
in 1998 and $131.5 million in 1997. The effective tax rate in 1999 was 32.9%
compared to 35.2% in 1998 and 33.9% in 1997. The decrease in the effective rate
in 1999 is due to the increase in tax-exempt income, primarily life insurance
related revenue and gains and the completion of income tax audits with favorable
results. The increase in the effective tax rate in 1998 compared to 1997 is due,
in part, to the increase in amortization and elements of the
merger/restructuring charge which are not deductible for income tax purposes.

CAPITAL RESOURCES

     Shareholders' equity was $2.12 billion or 8.7% of total consolidated assets
at December 31, 1999, compared to $2.24 billion or 10.4% of total consolidated
assets at December 31, 1998. The increase associated with earnings, net of
dividends paid, was offset by the effect of treasury share repurchases and the
decline in the fair value of securities available for sale which amounted to
$90.9 million net of related tax effects.

                                       29
<PAGE>   31

     The Corporation and its affiliates continue to have a strong capital base
and the Corporation's regulatory capital ratios continue to be significantly
above the defined minimum regulatory ratios. See Note 13 to the Consolidated
Financial Statements contained in Item 8 herein for the Corporation's
comparative capital ratios and the capital ratios of its significant
subsidiaries.

     The Corporation's subsidiaries, primarily its banking subsidiaries, are
restricted by regulations from making distributions above prescribed amounts. In
addition, banking subsidiaries are limited in making loans and advances to the
Corporation. At December 31, 1999, approximately $140.8 million and $66.5
million were available for distribution without regulatory approval from the
Corporation's banking and nonbanking subsidiaries, respectively.

     Under Federal Reserve Board policy, the Corporation is expected to act as a
source of financial strength to each subsidiary bank in circumstances when it
might not do so absent such policy.

     The Corporation had a Stock Repurchase Program under which up to 6 million
shares could be repurchased annually. In connection with the acquisition of
Advantage Bancorp, Inc., the Company rescinded its stock repurchase program
effective March 16, 1998. The total shares purchased in 1998 were 0.6 million
shares. On January 12, 1999, the Corporation announced its intentions to
purchase up to 6 million shares annually. The shares will be acquired to have
treasury shares available for issuance pursuant to employee benefit plans and
for other corporate needs. During 1999, the Corporation repurchased 5.1 million
shares at an aggregate cost of $317.1 million.

     During 1999, the holder of the Corporation's Series A convertible preferred
stock converted 348,944 shares of Series A into 3,832,957 shares of common stock
which were issued from the Corporation's treasury stock.

YEAR 2000

     Year 2000 (Y2K) was the term used to describe the fact that many existing
computer programs used only two digits to identify a year in a date field. These
programs were designed and developed without considering the impact of the
upcoming change in the century. If not corrected, many computer applications
could have failed or created erroneous results by or at the year 2000. The term
also refers to devices with imbedded technology that are time sensitive and may
fail to recognize year 2000 correctly. This issue affected virtually all
companies and organizations.

     Since 1996, the Corporation has reported the status of its actions and
plans for the transition to year 2000. The Corporation is pleased to report that
the transition to Year 2000, as of the present time, was successful and that
there have been no material adverse consequences during the transition to its
systems or customers.

     The majority of Data Services' contracts did not provide for additional
reimbursement over and above the previously contracted maintenance amounts. The
Corporation estimates that the total net direct cost for the year 2000 effort
through December 31, 1999 was approximately $37.4 million with Data Services
representing approximately 94% of that amount. Approximately $12.1 million was
expensed in 1999. The cost for the years ended December 31, 1998, 1997 and 1996
were $15.0 million, $7.6 million, and $2.7 million, respectively. Replacement
equipment and software were capitalized or expensed in accordance with the
Corporation's normal accounting policies. The effect of writing off the net book
value of equipment or software that was not Year 2000 compliant is included in
the above estimates. Y2K related costs incurred in 2000 are estimated to be
insignificant.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

     Market risk arises from exposure to changes in interest rates, exchange
rates, commodity prices, and other relevant market rate or price risk. The
Corporation faces market risk through trading and other than trading activities.
While market risk that arises from trading activities in the form of foreign
exchange and interest rate risk is immaterial to the Corporation, market risk
from other than trading activities in the form of interest rate risk is measured
and managed through a number of methods. For additional information on the

                                       30
<PAGE>   32

Corporation's derivative financial instruments and foreign exchange position,
see Note 17 to the Consolidated Financial Statements contained in Item 8 herein.

  Interest Rate Risk

     The Corporation uses financial modeling techniques to identify potential
changes in income under a variety of possible interest rate scenarios. Financial
institutions, by their nature, bear interest rate and liquidity risk as a
necessary part of the business of managing financial assets and liabilities. The
Corporation has designed strategies to confine these risks within prudent
parameters and identify appropriate risk/reward tradeoffs in the financial
structure of the balance sheet.

     The financial models identify the specific cash flows, repricing timing and
embedded option characteristics across the array of assets and liabilities held
by the Corporation. Policies are in place to assure that neither earnings nor
fair value at risk exceed appropriate limits. The use of a limited array of
derivative financial instruments has allowed the Corporation to achieve the
desired balance sheet repricing structure while simultaneously meeting the
desired objectives of both its borrowing and depositing customers.

     The models used include measures of the expected repricing characteristics
of administered rate (NOW, savings and money market accounts) and non-rate
related products (demand deposit accounts, other assets and other liabilities).
These measures recognize the relative insensitivity of these accounts to changes
in market interest rates, as demonstrated through current and historical
experiences. In addition to information about contractual payment information
for most other assets and liabilities, the models also include estimates of
expected prepayment characteristics for those items that are likely to
materially change their payment structures in different rate environments,
including residential mortgage products, certain commercial and commercial real
estate loans and certain mortgage-related securities. Estimates for these
sensitivities are based on industry assessments and are substantially driven by
the differential between the contractual coupon of the item and current market
rates for similar products.

     This information is incorporated into a model that allows the projection of
future income levels in several different interest rate environments. Earnings
at risk are calculated by modeling income in an environment where rates remain
constant, and comparing this result to income in a different rate environment,
and then dividing this result into the Corporation's budgeted pre-tax income for
the calendar year. Since future interest rate moves are difficult to predict,
the following table presents two potential scenarios -- a gradual increase of
100bp across the entire yield curve over the course of the year (+25bp per
quarter), and a gradual decrease of 100bp across the entire yield curve over the
course of the year (-25bp per quarter) for the balance sheet as of December 31,
1999:

<TABLE>
<CAPTION>
                                                            IMPACT TO
                  HYPOTHETICAL CHANGE                         2000
                   IN INTEREST RATES                      PRETAX INCOME
                  -------------------                     -------------
<S>                                                       <C>
100 basis point gradual rise in rates..................    (8.6%)
100 basis point gradual decline in rates...............     8.6%
</TABLE>

     These results are based solely on the modeled parallel changes in market
rates, and do not reflect the earnings sensitivity that may arise from other
factors such as changes in the shape of the yield curve, the changes in spread
between key market rates, or accounting recognition for impairment of certain
intangibles. These results are also considered to be conservative estimates due
to the fact that they do not include any management action to mitigate potential
income variances within the simulation process. Such action could potentially
include, but would not be limited to, adjustments to the repricing
characteristics of any on- or off-balance sheet item with regard to short-term
rate projections and current market value assessments.

     Actual results will differ from simulated results due to timing, magnitude,
and frequency of interest rate changes as well as changes in market conditions
and management strategies.

     Another component of interest rate risk is measuring the fair value at risk
for a given change in market interest rates. The Corporation also uses computer
modeling techniques to determine the present value of all asset and liability
cash flows (both on- and off-balance sheet), adjusted for prepayment
expectations, using a
                                       31
<PAGE>   33

market discount rate. The net change in the present value of the assets and
liability cash flows in different market rate environments is the amount of fair
value at risk from those rate movements. As of December 31, 1999 the fair value
of equity at risk for a gradual 100bp shift in rates was less than 2.0% of the
market value of the Corporation.

     In addition to using derivatives to manage interest rate exposure, the
Corporation also uses derivatives to create synthetic financial instruments that
more closely match desired rate and liquidity characteristics than would
otherwise be available on cash instruments directly. Such derivatives consisted
of interest rate swaps and amounted to $417 million in notional value as of
December 31, 1999. A small amount of derivatives are sold to customers where the
Corporation acts as an intermediary. These instruments are matched off by the
Corporation through its trading accounts in order to minimize exposure to market
risks. Customer interest rate derivatives held for trading amounted to $95
million of notional value, consisting of $47.5 million in notional value of
received fixed and $47.5 million in notional value of pay fixed interest rate
swaps as of December 31, 1999.

  Equity Risk

     In addition to interest rate risk, the Corporation incurs market risk in
the form of equity risk. M&I's Capital Markets Group invests in private,
medium-sized companies to help establish new businesses or recapitalize existing
ones and, to a lessor extent, invests in publicly traded equity securities.
Exposure to the change in equity values for the nonpublic companies that are
held in their portfolio exists, but due to the nature of the investments, cannot
be quantified within acceptable levels of precision.

     M&I Trust Services administers more than $57 billion in assets and directly
manages a portfolio of more than $11 billion. Exposure exists to changes in
equity values due to the fact that fee income is partially based on equity
balances. While this exposure is present, quantification remains difficult due
to the number of other variables affecting fee income. Interest rate changes can
also have an effect on fee income for the above stated reasons.

                                       32
<PAGE>   34

ITEM 8. CONSOLIDATED FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA FOR YEARS ENDED
        DECEMBER 31, 1999, 1998, AND 1997

                          CONSOLIDATED BALANCE SHEETS
                     DECEMBER 31 ($000'S EXCEPT SHARE DATA)

                                     Assets

<TABLE>
<CAPTION>
                                                                 1999          1998
                                                              -----------   -----------
<S>                                                           <C>           <C>
Cash and Cash Equivalents:
  Cash and Due from Banks...................................  $   705,293   $   760,405
  Federal Funds Sold and Security Resale Agreements.........      101,922        34,616
  Money Market Funds........................................       72,641       111,717
                                                              -----------   -----------
         Total Cash and Cash Equivalents....................      879,856       906,738
Investment Securities:
  Trading Securities, at Market Value.......................       40,334        34,046
  Short-term Investments, at Cost which Approximates Market
    Value...................................................        6,828        51,971
  Available for Sale, at Market Value.......................    4,357,196     4,049,421
  Held to Maturity, Market Value $1,137,126 ($1,095,048 in
    1998)...................................................    1,170,734     1,056,233
                                                              -----------   -----------
         Total Investment Securities........................    5,575,092     5,191,671
Loans and Leases, Net of Unearned Income of $157,499
  ($128,680 in 1998)........................................   16,335,061    13,996,166
Less: Allowance for Loan and Lease Losses...................      225,862       226,052
                                                              -----------   -----------
         Net Loans and Leases...............................   16,109,199    13,770,114
Premises and Equipment......................................      370,534       360,345
Goodwill and Core Deposit Intangibles.......................      347,489       317,414
Other Intangibles...........................................       18,927        18,119
Accrued Interest and Other Assets...........................    1,068,626     1,001,892
                                                              -----------   -----------
         Total Assets.......................................  $24,369,723   $21,566,293
                                                              ===========   ===========

                  Liabilities and Shareholders' Equity

Deposits:
  Noninterest Bearing.......................................  $ 2,830,960   $ 2,929,195
  Interest Bearing..........................................   13,604,222    12,990,724
                                                              -----------   -----------
         Total Deposits.....................................   16,435,182    15,919,919
Short-term Borrowings.......................................    4,540,255     2,077,285
Accrued Expenses and Other Liabilities......................      612,336       530,828
Long-term Borrowings........................................      665,024       794,482
                                                              -----------   -----------
         Total Liabilities..................................   22,252,797    19,322,514
Shareholders' Equity:
  Series A Convertible Preferred Stock, $1.00 par value,
    2,000,000 Shares Authorized; 336,370 Shares Issued
    (685,314 in 1998); Liquidation Preference $33,637
    ($68,531 in 1998).......................................          336           685
  Common Stock, $1.00 par value, 160,000,000 Shares
    Authorized; 112,757,546 Shares Issued...................      112,757       112,757
  Additional Paid-in Capital................................      457,097       621,795
  Retained Earnings.........................................    1,914,128     1,664,123
  Net Unrealized Securities (Losses)/Gains, Net of Taxes....      (32,749)       58,102
  Less: Treasury Stock, at Cost, 6,941,684 shares (6,654,170
    in 1998)................................................      314,513       194,046
         Deferred Compensation..............................       20,130        19,637
                                                              -----------   -----------
         Total Shareholders' Equity.........................    2,116,926     2,243,779
                                                              -----------   -----------
         Total Liabilities and Shareholders' Equity.........  $24,369,723   $21,566,293
                                                              ===========   ===========
</TABLE>

   The accompanying notes are an integral part of the Consolidated Financial
                                  Statements.

                                       33
<PAGE>   35

                       CONSOLIDATED STATEMENTS OF INCOME
               YEARS ENDED DECEMBER 31 ($000'S EXCEPT SHARE DATA)

<TABLE>
<CAPTION>
                                                                 1999         1998         1997
                                                              ----------   ----------   ----------
<S>                                                           <C>          <C>          <C>
INTEREST INCOME
Loans and Leases............................................  $1,156,775   $1,085,829   $  921,161
Investment Securities:
  Taxable...................................................     269,668      280,377      240,238
  Exempt from Federal Income Taxes..........................      58,820       52,969       45,420
Trading Securities..........................................       1,864        2,203        2,016
Short-term Investments......................................       9,457       12,666       11,498
                                                              ----------   ----------   ----------
         Total Interest Income..............................   1,496,584    1,434,044    1,220,333
INTEREST EXPENSE
Deposits....................................................     585,864      564,540      460,418
Short-term Borrowings.......................................     142,294      126,624      111,193
Long-term Borrowings........................................      63,145       66,810       54,175
                                                              ----------   ----------   ----------
         Total Interest Expense.............................     791,303      757,974      625,786
                                                              ----------   ----------   ----------
Net Interest Income.........................................     705,281      676,070      594,547
Provision for Loan and Lease Losses.........................      25,419       27,090       17,633
                                                              ----------   ----------   ----------
Net Interest Income After Provision for Loan and Lease
  Losses....................................................     679,862      648,980      576,914
OTHER INCOME
Data Processing Services:
  Processing................................................     262,641      237,197      207,841
  Software and Consulting...................................      81,920       94,871       78,263
  E-commerce................................................     141,380       80,564       57,742
                                                              ----------   ----------   ----------
         Total Data Processing Services.....................     485,941      412,632      343,846
Internet Banking............................................       1,861           59           --
Trust Services..............................................     100,963       88,496       78,595
Service Charges on Deposits.................................      69,699       61,730       57,937
Mortgage Banking............................................      27,317       53,655       25,566
Capital Markets Revenue.....................................      12,439       24,860        7,918
Life Insurance Revenue......................................      25,767        3,893          761
Net Investment Securities (Losses)/Gains....................      (4,099)       7,145       (2,578)
Other.......................................................     125,886      103,863       96,424
                                                              ----------   ----------   ----------
         Total Other Income.................................     845,774      756,333      608,469
OTHER EXPENSE
Salaries and Employee Benefits..............................     583,659      523,606      460,164
Net Occupancy...............................................      49,225       44,181       41,252
Equipment...................................................     107,670      103,180       88,358
Software Expenses...........................................      26,972       22,181       19,702
Processing Charges..........................................      30,324       25,286       25,295
Supplies and Printing.......................................      19,364       18,679       16,990
Professional Services.......................................      35,086       25,326       17,348
Amortization of Intangibles.................................      38,046       42,457       20,388
Merger/Restructuring........................................          --       23,373           --
Other.......................................................     107,351      111,759      107,714
                                                              ----------   ----------   ----------
         Total Other Expense................................     997,697      940,028      797,211
                                                              ----------   ----------   ----------
Income Before Income Taxes..................................     527,939      465,285      388,172
Provision for Income Taxes..................................     173,428      163,962      131,487
                                                              ----------   ----------   ----------
NET INCOME..................................................  $  354,511   $  301,323   $  256,685
                                                              ==========   ==========   ==========
NET INCOME PER COMMON SHARE
  Basic.....................................................  $     3.32   $     2.79   $     2.62
  Diluted...................................................        3.14         2.61         2.43
</TABLE>

   The accompanying notes are an integral part of the Consolidated Financial
                                  Statements.

                                       34
<PAGE>   36

                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                        YEARS ENDED DECEMBER 31 ($000'S)

<TABLE>
<CAPTION>
                                                             1999          1998          1997
                                                          -----------   -----------   -----------
<S>                                                       <C>           <C>           <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income..............................................  $   354,511   $   301,323   $   256,685
Adjustments to Reconcile Net Income to Net Cash Provided
  by Operating Activities:
  Depreciation and Amortization.........................       86,156       111,392        63,935
  Provision for Loan and Lease Losses...................       25,419        27,090        17,633
  Gains on Sales of Assets..............................      (42,522)      (77,183)      (33,585)
  Proceeds from Sales of Trading Securities and Loans
     Held for Resale....................................    4,766,956     5,211,992     4,220,597
  Purchases of Trading Securities and Loans Held for
     Resale.............................................   (4,606,316)   (5,245,240)   (4,237,853)
  Other.................................................       40,011       (59,464)      (12,638)
                                                          -----------   -----------   -----------
          Total Adjustments.............................      269,704       (31,413)       18,089
                                                          -----------   -----------   -----------
Net Cash Provided by Operating Activities...............      624,215       269,910       274,774
CASH FLOWS FROM INVESTING ACTIVITIES:
Net (Increase) Decrease in Shorter Term Securities......       21,400       (14,450)        6,050
Proceeds from Maturities of Longer Term Securities......    1,026,967     1,461,553       789,324
Proceeds from Sales of Securities Available for Sale....      116,823       160,474       797,270
Purchases of Longer Term Securities.....................   (1,681,037)   (1,054,290)   (1,373,780)
Decrease in Loans Due to Divestitures...................       30,817            --         4,546
Net Increase in Loans...................................   (2,342,319)   (1,016,336)     (978,960)
Purchases of Assets to be Leased........................     (429,345)     (317,862)     (295,185)
Principal Payments on Lease Receivables.................      294,891       242,227       197,372
Purchases of Premises and Equipment, Net................      (66,899)      (60,811)      (68,829)
Acquisitions Accounted for as Purchases, Net of Cash
  Equivalents Acquired and Investments in Joint
  Ventures..............................................      (84,408)       (5,170)     (236,399)
Purchase of Bank-Owned Life Insurance...................           --      (400,000)           --
Other...................................................       12,751        14,997        11,741
                                                          -----------   -----------   -----------
Net Cash Used in Investing Activities...................   (3,100,359)     (989,668)   (1,146,850)
CASH FLOWS FROM FINANCING ACTIVITIES:
Decrease in Deposits Due to Divestitures................      (84,191)           --       (56,294)
Net Increase in Deposits................................      607,243       899,591     1,064,439
Proceeds from Issuance of Commercial Paper..............    1,926,791       779,653       455,726
Principal Payments on Commercial Paper..................   (1,740,439)     (829,077)     (360,374)
Net Increase (Decrease) in Other Short-term
  Borrowings............................................    2,226,463        41,210       (46,517)
Proceeds from Issuance of Long-term Debt................      288,526        87,573       182,371
Payment of Long-term Debt...............................     (371,832)     (159,963)     (346,064)
Dividends Paid..........................................     (104,490)      (97,241)      (79,272)
Purchase of Common Stock................................     (317,149)      (29,633)      (64,430)
Proceeds from the Issuance of Common Stock..............       18,359        15,086        23,538
Other...................................................          (19)        1,234            --
                                                          -----------   -----------   -----------
Net Cash Provided by Financing Activities...............    2,449,262       708,433       773,123
                                                          -----------   -----------   -----------
Net Decrease in Cash and Cash Equivalents...............      (26,882)      (11,325)      (98,953)
Cash and Cash Equivalents, Beginning of Year............      906,738       918,063     1,017,016
                                                          -----------   -----------   -----------
Cash and Cash Equivalents, End of Year..................  $   879,856   $   906,738   $   918,063
                                                          ===========   ===========   ===========
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash Paid During the Year for:
  Interest..............................................  $   775,065   $   759,231   $   607,614
  Income Taxes..........................................      125,841       141,553       103,716
</TABLE>

   The accompanying notes are an integral part of the Consolidated Financial
                                  Statements.

                                       35
<PAGE>   37

                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
                           ($000'S EXCEPT SHARE DATA)

<TABLE>
<CAPTION>
                                                                                                                   UNREALIZED
                                COMPRE-                           ADDITIONAL                TREASURY    DEFERRED   SECURITIES
                                HENSIVE    PREFERRED    COMMON     PAID-IN      RETAINED     COMMON     COMPEN-    GAINS NET
                                 INCOME      STOCK      STOCK      CAPITAL      EARNINGS      STOCK      SATION     OF TAXES
                                --------   ---------   --------   ----------   ----------   ---------   --------   ----------
<S>                             <C>        <C>         <C>        <C>          <C>          <C>         <C>        <C>
Balance, December 31, 1996....        --     $517      $103,424    $218,323    $1,283,273   $(279,143)  $(3,374)    $28,350
Comprehensive Income:
  Net Income..................  $256,685       --            --          --       256,685          --        --          --
  Unrealized Gains on
    Securities:
    Unrealized Securities
      Gains Net of Taxes of
      $14,254.................    24,945       --            --          --            --          --        --          --
    Reclassification
      Adjustment for Gains
      Included in Net Income
      Net of Taxes of $600....    (1,197)      --            --          --            --          --        --          --
                                --------
        Total Unrealized Gains
          on Securities.......    23,748       --            --          --            --          --        --      23,748
                                --------
Comprehensive Income..........  $280,433       --            --          --            --          --        --          --
                                ========
Transactions by Affiliates
  Prior to Combination........        --       --            --          --        (1,297)         --        --          --
Issuance of 9,808,255 Common
  Shares and 2,515,955
  Treasury Common Shares in
  the Acquisition of Security
  Capital Corporation
  ("Security")................        --       --         9,809     406,726            --      66,806        --          --
Common Shares Held for
  Deferred Compensation and
  Retirement Plans Assumed in
  the Acquisition of
  Security--148,997 Common
  Shares......................        --       --            --          --            --          --    (5,559)         --
Issuance of 1,922,114 Treasury
  Common Shares on Conversion
  of Convertible Notes........        --       --            --     (33,868)           --      50,725        --          --
Issuance of 168,185 Preferred
  Shares on Conversion of
  1,922,114 Common Shares.....        --      168            --      50,557            --     (50,725)       --          --
Issuance of 1,880,929 Common
  and Treasury Common Shares
  Under Stock Option and
  Restricted Stock Plans......        --       --            18     (24,623)          (40)     48,800      (155)         --
Acquisition of 1,298,633
  Common Shares...............        --       --           (66)    (12,075)           --     (52,250)       --          --
Dividends Declared on
  Preferred Stock--$8.78 per
  Share.......................        --       --            --          --        (5,671)         --        --          --
Dividends Declared on Common
  Stock--$0.785 per Share.....        --       --            --          --       (72,304)         --        --          --
Repayment of ESOP Loan........        --       --            --          --            --          --       332          --
Net Change in Deferred
  Compensation................        --       --            --         155            --          --      (541)         --
Income Tax Benefit for
  Compensation Expense for Tax
  Purposes in Excess of
  Amounts Recognized for
  Financial Reporting
  Purposes....................        --       --            --      15,704            --          --        --          --
                                             ----      --------    --------    ----------   ---------   -------     -------
Balance, December 31, 1997....               $685      $113,185    $620,899    $1,460,646   $(215,787)  $(9,297)    $52,098
                                             ====      ========    ========    ==========   =========   =======     =======
</TABLE>

   The accompanying notes are an integral part of the Consolidated Financial
                                  Statements.

                                       36
<PAGE>   38

                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
                           ($000'S EXCEPT SHARE DATA)

<TABLE>
<CAPTION>
                                                                                                                      UNREALIZED
                                   COMPRE-                           ADDITIONAL                TREASURY    DEFERRED   SECURITIES
                                   HENSIVE    PREFERRED    COMMON     PAID-IN      RETAINED     COMMON     COMPEN-    GAINS NET
                                    INCOME      STOCK      STOCK      CAPITAL      EARNINGS      STOCK      SATION     OF TAXES
                                   --------   ---------   --------   ----------   ----------   ---------   --------   ----------
<S>                                <C>        <C>         <C>        <C>          <C>          <C>         <C>        <C>
Balance, December 31, 1997.......        --     $685      $113,185    $620,899    $1,460,646   $(215,787)  $ (9,297)   $52,098
Comprehensive Income:
  Net Income.....................  $301,323       --           --           --       301,323          --         --         --
  Unrealized Gains on Securities:
    Unrealized Securities Gains
      Net of Taxes of $6,367.....    11,262       --           --           --            --          --         --         --
    Reclassification Adjustment
      for Gains Included in Net
      Income Net of Taxes of
      $2,940.....................    (5,258)      --           --           --            --          --         --         --
                                   --------
        Total Unrealized Gains on
          Securities.............     6,004       --           --           --            --          --         --      6,004
                                   --------
Comprehensive Income.............  $307,327       --           --           --            --          --         --         --
                                   ========
Transactions by Affiliates Prior
  to Combination.................        --       --           --           --          (327)         --         --         --
Issuance of 526,200 Treasury
  Common Shares in the 1998
  Business Combination...........        --       --         (526)     (14,255)           --      14,781         --         --
Issuance of 1,133,564 Common and
  Treasury Common Shares Under
  Stock Option and Restricted
  Stock Plans....................        --       --          139      (10,830)         (592)     28,151     (1,728)        --
Acquisition of 697,247 Common
  Shares.........................        --       --          (41)         821            --     (33,799)       486         --
Dividends Declared on Preferred
  Stock -- $9.63 Per Share.......        --       --           --           --        (6,603)         --         --         --
Dividends Declared on Common
  Stock -- $0.86 Per Share.......        --       --           --           --       (90,311)         --         --         --
Repayment of ESOP Loan...........        --       --           --        1,246            --          --      1,373         --
Merger/Restructuring Charge......        --       --           --        9,893            --          --         --         --
Transfer of 246,854 Treasury
  Common Shares to Directors'
  Deferred Compensation Trust....        --       --           --           --            --      12,608    (12,608)        --
Net Change in Deferred
  Compensation...................        --       --           --          175           (10)         --      2,136         --
Income Tax Benefit for
  Compensation Expense for Tax
  Purposes in Excess of Amounts
  Recognized for Financial
  Reporting Purposes.............        --       --           --       13,846            --          --         --         --
Other............................        --       --           --           --            (3)         --          1         --
                                                ----      --------    --------    ----------   ---------   --------    -------
Balance, December 31, 1998.......               $685      $112,757    $621,795    $1,664,123   $(194,046)  $(19,637)   $58,102
                                                ====      ========    ========    ==========   =========   ========    =======
</TABLE>

   The accompanying notes are an integral part of the Consolidated Financial
                                  Statements.

                                       37
<PAGE>   39

                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
                           ($000'S EXCEPT SHARE DATA)

<TABLE>
<CAPTION>
                                                                                                                    UNREALIZED
                                                                                                                    SECURITIES
                                COMPRE-                           ADDITIONAL                TREASURY    DEFERRED      GAINS/
                                HENSIVE    PREFERRED    COMMON     PAID-IN      RETAINED     COMMON     COMPEN-    (LOSSES) NET
                                 INCOME      STOCK      STOCK      CAPITAL      EARNINGS      STOCK      SATION      OF TAXES
                                --------   ---------   --------   ----------   ----------   ---------   --------   ------------
<S>                             <C>        <C>         <C>        <C>          <C>          <C>         <C>        <C>
Balance, December 31, 1998....        --     $ 685     $112,757    $621,795    $1,664,123   $(194,046)  $(19,637)    $ 58,102
Comprehensive Income:
  Net Income..................  $354,511        --          --           --       354,511          --         --           --
  Unrealized Gains/(Losses) on
    Securities:
    Unrealized Securities
      Losses Net of Taxes of
      $51,914.................   (91,851)       --          --           --            --          --         --           --
    Reclassification
      Adjustment for Gains
      Included in Net Income
      Net of Taxes of $538....     1,000        --          --           --            --          --         --           --
                                --------
        Total Unrealized
          Losses on
          Securities..........   (90,851)       --          --           --            --          --         --      (90,851)
                                --------
Comprehensive Income..........  $263,660        --          --           --            --          --         --           --
                                ========
Issuance of 3,832,957 Treasury
  Common Shares on Conversion
  of 348,944 Shares of
  Preferred Stock.............        --      (349)         --     (160,635)           --     160,984         --           --
Issuance of 988,557 Treasury
  Common Shares Under Stock
  Option and Restricted Stock
  Plans.......................        --        --          --      (16,806)           --      36,503     (1,332)          --
Acquisition of 5,109,028
  Common Shares...............        --        --          --          (82)           --    (317,954)       198           --
Dividends Declared on
  Preferred Stock -- $10.58
  Per Share...................        --        --          --           --        (6,297)         --         --           --
Dividends Declared on Common
  Stock -- $0.94 Per Share....        --        --          --           --       (98,193)         --         --           --
Net Change in Deferred
  Compensation................        --        --          --           --            --          --        641           --
Income Tax Benefit for
  Compensation Expense for Tax
  Purposes in Excess of
  Amounts Recognized for
  Financial Reporting
  Purposes....................        --        --          --       12,764            --          --         --           --
Other.........................        --        --          --           61           (16)         --         --           --
                                             -----     --------    --------    ----------   ---------   --------     --------
Balance, December 31, 1999....               $ 336     $112,757    $457,097    $1,914,128   $(314,513)  $(20,130)    $(32,749)
                                             =====     ========    ========    ==========   =========   ========     ========
</TABLE>

   The accompanying notes are an integral part of the Consolidated Financial
                                  Statements.

                                       38
<PAGE>   40

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     Marshall & Ilsley Corporation ("M&I" or the "Corporation") is a bank and
savings and loan holding company that provides financial services to a wide
variety of corporate, institutional, government and individual customers. The
Corporation's principal activities consist of banking and data processing
services. Banking services, lending and accepting deposits from retail and
commercial customers, are provided through 26 banks located in Wisconsin, one
federally chartered thrift located in Nevada with branches in Illinois and
Florida and one bank in Arizona. Financial and data processing services and
software sales are provided through the Data Services Division of the
Corporation and two other nonbank subsidiaries. Other financial services
provided by M&I include personal property lease financing; investment management
and advisory services; commercial and residential mortgage banking; venture
capital and financial advisory services; trust services to residents of
Wisconsin, Arizona and Florida; and brokerage and insurance services. M&I's
largest affiliates and principal operations are in Wisconsin; however, it has
activities in other markets, particularly in certain neighboring Midwestern
states, and in Arizona, Nevada and Florida.

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

     Estimates -- The preparation of financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the reported
periods. Actual results could differ from those estimates.

     Consolidation principles -- The Consolidated Financial Statements include
the accounts of Marshall & Ilsley Corporation and all subsidiaries. All
significant intercompany balances and transactions are eliminated in
consolidation. Certain amounts in the 1998 and 1997 Consolidated Financial
Statements have been reclassified to conform with the 1999 presentation.

     Cash and cash equivalents -- For purposes of the Consolidated Financial
Statements, the Corporation defines cash equivalents as short-term investments
which have an original maturity of three months or less and are readily
convertible into cash.

     Securities -- Securities, when purchased, are designated as Trading,
Investment Securities Held to Maturity, or Investment Securities Available for
Sale and remain in that category until they are sold or mature. The specific
identification method is used in determining the cost of securities sold.

     Investment Securities Held to Maturity are carried at cost, adjusted for
amortization of premiums and accretion of discounts. The Corporation designates
investment securities as held to maturity only when it has the positive intent
and ability to hold them to maturity. Investment Securities Available for Sale
are carried at fair value with fair value adjustments net of the related income
tax effects reported as a separate component of shareholders' equity. Short-term
Investments, other than Trading Securities, are carried at cost, which
approximates market value. Trading Securities are carried at fair value, with
adjustments to the carrying value reflected in the Consolidated Statements of
Income.

     Loans and leases -- Interest on loans, other than direct financing leases,
is recognized as income based on the loan principal outstanding during the
period. Unearned income on financing leases is recognized over the lease term on
a basis that results in an approximate level rate of return on the lease
investment. Loans are generally placed on nonaccrual status when they are past
due 90 days as to either interest or principal. When a loan is placed on
nonaccrual status, previously accrued and uncollected interest is charged to
interest income on loans. A nonaccrual loan may be restored to an accrual basis
when interest and principal payments are brought current and collectibility of
future payments is not in doubt.

     The Corporation defers and amortizes fees and certain incremental direct
costs, primarily salary and employee benefit expenses, over the contractual term
of the loan or lease as an adjustment to the yield. The unamortized net fees and
costs are reported as part of the loan or lease balance outstanding.

                                       39
<PAGE>   41
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     Allowance for loan and lease losses -- The allowance for loan and lease
losses is maintained at a level believed adequate by management to absorb
estimated probable losses in the loan and lease portfolio. Management's
determination of the adequacy of the allowance is based on a continual review of
the loan and lease portfolio, loan and lease loss experience, economic
conditions, growth and composition of the portfolio, and other relevant factors.
As a result of management's continual review, the allowance is adjusted through
provisions for loan and lease losses charged against income.

     Premises and equipment -- Land is recorded at cost. Premises and equipment
are recorded at cost and depreciated principally on the straight-line method
with annual rates varying from 10 to 50 years for buildings and 3 to 10 years
for equipment. Long-lived assets which are considered impaired are carried at
fair value and long-lived assets to be disposed of are carried at the lower of
the carrying amount or fair value less cost to sell. Maintenance and repairs are
charged to expense and betterments are capitalized.

     Other real estate owned -- Other real estate owned includes assets that
have been acquired in satisfaction of debts and bank branch premises held for
sale. Other real estate acquired in satisfaction of debts is recorded at fair
value, less estimated selling costs, and bank branch premises are recorded at
the lower of cost or fair value, less estimated selling costs, at the date of
transfer. Valuation adjustments required at the date of transfer for assets
acquired in satisfaction of debts are charged to the allowance for loan and
lease losses, whereas any valuation adjustments on premises are reported in
other expense. Subsequent to transfer, other real estate owned is carried at the
lower of cost or fair value, less estimated selling costs, based upon periodic
evaluations. Rental income from properties and gains on sales are included in
other income, and property expenses, which include carrying costs, required
valuation adjustments and losses on sales, are recorded in other expense. At
December 31, 1999 and 1998, other real estate amounted to $6,230 and $8,751,
respectively.

     Mortgage servicing -- Fees related to the servicing of mortgage loans are
recorded as income when payments are received from mortgagors. Mortgage loans
held for sale to investors are carried at the lower of cost or market,
determined on an aggregate basis, based on outstanding firm commitments received
for such loans or on current market prices. Mortgage loans held for sale
amounted to $15,956 at December 31, 1999 and $137,295 at December 31, 1998.

     Data processing services -- Data processing and related revenues are
accrued and recognized when earned.

     Revenues attributable to the licensing of software are generally recognized
upon delivery and performance of certain contractual obligations, provided that
no significant vendor obligations remain and collection of the resulting
receivable is deemed probable. Service revenues from customer maintenance fees
for ongoing customer support and product updates are recognized ratably over the
term of the maintenance period. Service revenues from training and consulting
are recognized when the services are performed. Conversion revenue is recognized
ratably over the contract period, which may exceed one year.

     Direct costs associated with the production of computer software which will
be marketed or used in data processing operations are capitalized and amortized
on the straight-line method over the estimated economic life of the product,
generally four years. Such capitalized costs are periodically evaluated for
impairment and adjusted to net realizable value when impairment is indicated.
Direct costs associated with customer system conversions to the data services
operations are capitalized and amortized on the straight-line method over the
terms, generally five to seven years, of the related servicing contract. Routine
maintenance of software products including maintenance required for the year
2000, design costs and development costs incurred prior to establishment of a
product's technological feasibility for software to be sold, are expensed as
incurred.

                                       40
<PAGE>   42
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     Net unamortized costs at December 31 were:

<TABLE>
<CAPTION>
                                                               1999      1998
                                                              -------   -------
<S>                                                           <C>       <C>
Software....................................................  $70,904   $55,655
Conversions.................................................   11,788    12,359
                                                              -------   -------
          Total.............................................  $82,692   $68,014
                                                              =======   =======
</TABLE>

     Amortization expense was $23,915, $18,340 and $15,020, for 1999, 1998 and
1997, respectively.

     Intangibles -- Unamortized intangibles resulting from acquisitions consists
of goodwill, core deposit premiums, purchased data processing contract rights
and mortgage servicing rights. The Corporation recognizes as separate assets
rights to service mortgage loans when the loans are purchased or originated and
sold with servicing retained. Mortgage servicing rights are amortized over the
periods during which the corresponding mortgage servicing revenues are
anticipated to be generated. Purchased data processing contract rights represent
the costs to acquire the rights to data processing and software distribution.
Such costs are generally amortized over the average contract lives. Goodwill is
amortized on the straight-line basis over periods ranging from 15 to 25 years
while core deposit premiums are amortized principally on an accelerated basis
over periods ranging up to 10 years. The Corporation continually evaluates
whether later events and circumstances have occurred to indicate that the
carrying value of intangibles should be reduced for possible impairment and
utilizes estimates of undiscounted net income over the remaining life to measure
recoverability. A valuation allowance is established through a charge to income
to the extent that the fair value of any stratum of its mortgage servicing
rights is less than its carrying value.

     The Corporation also has negative goodwill included in other liabilities,
the majority of which arose from an acquisition in 1992. Negative goodwill
amounted to $4,371 and $5,932 at December 31, 1999 and 1998, respectively. The
negative goodwill is being accreted on a straight-line basis over a period of 10
years and amounted to $1,562 in 1999, 1998, and 1997, respectively.

     Long-term borrowings -- The guaranteed preferred beneficial interest of the
Corporation's special purpose finance subsidiary which holds as its sole asset,
junior subordinated deferrable interest debentures issued by the Corporation, is
classified as long-term borrowings and shown net of its related discount. The
distributions, including the related accretion of discount, are classified as
interest expense for purposes of the Consolidated Financial Statements.

     Interest risk management instruments -- As a service to customers and as
part of its asset/liability management activities, the Corporation may enter
into interest rate futures, forwards, swaps, floors, caps and option contracts.
These derivative financial instruments are carried at fair value unless the
instrument qualifies for hedge accounting treatment. Fair value adjustments on
risk management instruments carried at fair value are reflected in other income.
Gains and losses realized on futures and forward contracts qualifying as hedges
are deferred and amortized over the terms of the related assets or liabilities
and are included as adjustments to interest income or expense. Settlement on
interest rate swaps and option contracts are recognized over the lives of the
agreements as adjustments to interest income or expense.

     The hedge accounting method is applied to interest rate swaps that meet the
hedge criteria which is discussed below. Under this method, accrued income or
expense associated with the swap is recognized as a component of the interest
income or expense of the hedged asset or liability. Unrealized gains and losses
are recognized on a basis that is consistent with the method of accounting for
the hedged asset or liability. Unrealized gains or losses are not recognized for
hedged assets or liabilities carried at amortized cost. Unrealized gains and
losses on derivative financial instruments which hedge investment securities
available for sale are reported as a component of shareholders' equity, net of
applicable income tax effects.

                                       41
<PAGE>   43
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     The criteria to qualify an interest rate swap for the hedge accounting
method is as follows:

          1. The swap must be designated as a hedge and reduce the interest rate
             risk of the designated asset or liability.

          2. The notional amount of the swap must be less than or equal to the
             amortized cost of the asset or liability to be hedged.

          3. The swap must achieve its intended objective of converting the
             yield on the hedged asset or liability to the desired rate. This
             criteria is assumed to have been met if the interest rate on the
             hedged asset or liability is identical to the offsetting rate on
             the swap. If the two rates are not identical, the correlation
             between the levels of the two rates since inception of the swap
             must be measured to ensure that the swap is meeting its intended
             objective.

     If an interest risk management instrument is terminated or ceases to
qualify for the hedge accounting method, any realized or unrealized gain or loss
at that time is deferred and amortized over the remaining period of the original
hedge. Any subsequent realized or unrealized gains or losses on instruments that
no longer meet the hedge criteria are included in the determination of net
income. If the item being hedged is sold, any deferred or unrealized gain or
loss on the interest risk management instrument at the time of sale is
considered in the determination of the gain or loss on the sale. If the interest
risk management instrument is not terminated, it must be carried at fair value
on a prospective basis, with changes in fair value included in the determination
of periodic net income.

     Cash flows from interest risk management instruments are reported in the
Consolidated Statements of Cash Flows as operating activities.

     Foreign exchange contracts -- Foreign exchange contracts include such
commitments as foreign currency spot, forward, future and option contracts.
Foreign exchange contracts and the premiums on options written or sold are
carried at market value, with realized and unrealized gains and losses included
in other income.

     Earnings per share -- In February 1997, the Financial Accounting Standards
Board (FASB) issued Statement of Financial Accounting Standards ("SFAS") No.
128, "Earnings Per Share." This statement established new standards for
computing and presenting earnings per share which was adopted by the Corporation
in the fourth quarter of 1997. Comparative earnings per share for the years and
interim periods presented conform with the computational requirements of SFAS
128.

     Treasury stock -- Treasury stock acquired is recorded at cost and is shown
as a reduction of shareholders' equity in the Consolidated Balance Sheets.
Treasury stock issued is valued based on average cost. The difference between
the consideration received upon issuance and the average cost is charged or
credited to additional paid-in capital.

     New accounting pronouncement --

          In June 1998, the FASB issued SFAS No. 133, Accounting for Derivative
     Instruments and Hedging Activities. In June 1999, the FASB issued SFAS 137,
     Accounting for Derivative Instruments and Hedging Activities -- Deferral of
     the Effective Date of SFAS 133. SFAS 133 establishes accounting and
     reporting standards requiring that every derivative instrument (including
     certain derivative instruments embedded in other contracts) be recorded in
     the balance sheet as either an asset or liability measured at its fair
     value. The Statement requires that changes in the derivatives fair value be
     recognized currently in earnings unless specific hedge accounting criteria
     are met. Special accounting for qualifying hedges allows a derivative
     instrument's gains and losses to offset related results on the hedged item
     in the income statement, and requires that a company must formally
     document, designate, and assess the effectiveness of transactions that
     receive hedge accounting.

                                       42
<PAGE>   44
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

          Statement 133, as amended, is effective for fiscal years beginning
     after June 15, 2000. A company may also implement the Statement as of the
     beginning of any quarter after issuance. Statement 133 cannot be applied
     retroactively. Statement 133 must be applied to (a) derivative instruments
     and (b) certain derivative instruments embedded in hybrid contracts. With
     respect to hybrid instruments, a company may elect to apply SFAS 133, as
     amended, to (1) all hybrid contracts, (2) only those hybrid instruments
     that were issued, acquired or substantively modified after December 31,
     1997, or (3) only those hybrid instruments that were issued, acquired or
     substantively modified after December 31, 1998.

     The Corporation has not determined the timing of adoption. Note 18, Fair
Value of Financial Instruments presents the fair value of the freestanding
derivatives held by the Corporation. Statement 133 would require that those
derivative instruments be recognized in the Corporation's Consolidated Balance
Sheets as assets or liabilities at their fair value. The Corporation has not yet
completed quantifying the other effects of adopting Statement 133 on its
consolidated financial statements. However, the Statement could increase
volatility in earnings and other comprehensive income.

2. EARNINGS PER SHARE

     A reconciliation of the numerators and denominators of the basic and
diluted per share computations are as follows (dollars and shares in thousands,
except per share data):

<TABLE>
<CAPTION>
                                                           YEAR ENDED DECEMBER 31, 1999
                                                       ------------------------------------
                                                                        AVERAGE       PER
                                                         INCOME         SHARES       SHARE
                                                       (NUMERATOR)   (DENOMINATOR)   AMOUNT
                                                       -----------   -------------   ------
<S>                                                    <C>           <C>             <C>
Net income...........................................   $354,511
Convertible preferred dividends......................     (6,297)
                                                        --------
Basic earnings per share
  Income available to common shareholders............   $348,214        104,859      $3.32
                                                                                     =====
Effect of dilutive securities
  Convertible preferred stock........................      6,297          6,543
  Stock option, restricted stock and performance
     plans...........................................         --          1,603
                                                        --------        -------
Diluted earnings per share
  Income available to common shareholders plus
     assumed conversions.............................   $354,511        113,005      $3.14
                                                                                     =====
</TABLE>

<TABLE>
<CAPTION>
                                                           YEAR ENDED DECEMBER 31, 1998
                                                       ------------------------------------
                                                                        AVERAGE       PER
                                                         INCOME         SHARES       SHARE
                                                       (NUMERATOR)   (DENOMINATOR)   AMOUNT
                                                       -----------   -------------   ------
<S>                                                    <C>           <C>             <C>
Net income...........................................   $301,323
Convertible preferred dividends......................     (6,603)
                                                        --------
Basic earnings per share
  Income available to common shareholders............   $294,720        105,810      $2.79
                                                                                     =====
Effect of dilutive securities
  Convertible preferred stock........................      6,603          7,677
  Stock option, restricted stock and performance
     plans...........................................         --          1,753
                                                        --------        -------
Diluted earnings per share
  Income available to common shareholders plus
     assumed conversions.............................   $301,323        115,240      $2.61
                                                                                     =====
</TABLE>

                                       43
<PAGE>   45
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

<TABLE>
<CAPTION>
                                                           YEAR ENDED DECEMBER 31, 1997
                                                       ------------------------------------
                                                                        AVERAGE       PER-
                                                         INCOME         SHARES       SHARE
                                                       (NUMERATOR)   (DENOMINATOR)   AMOUNT
                                                       -----------   -------------   ------
<S>                                                    <C>           <C>             <C>
Net income...........................................   $256,685
Convertible preferred dividends......................     (5,671)
                                                        --------
Basic earnings per share
  Income available to common shareholders............   $251,014         95,651      $2.62
                                                                                     =====
Effect of dilutive securities
  Convertible preferred stock........................      5,671          7,208
  8.5% Convertible debt..............................        233            469
  Stock option, restricted stock and performance
     plans...........................................         --          2,099
  Forward repurchase contract........................         --            120
                                                        --------        -------
Diluted earnings per share
  Income available to common shareholders plus
     assumed conversions.............................   $256,918        105,547      $2.43
                                                                                     =====
</TABLE>

     Options to purchase shares of common stock not included in the computation
of diluted net income per share because the options' exercise price was greater
than the average market price of the common shares for the year ended December
31, are as follows:

<TABLE>
<CAPTION>
GRANT DATE                                     EXERCISE PRICE    1999      1998       1997
- ----------                                     --------------   ------   ---------   -------
<S>                                            <C>              <C>      <C>         <C>
10/01/97.....................................     $50.125           --          --     3,500
12/11/97.....................................      57.000           --     954,350   996,450
04/28/98.....................................      57.625           --      59,000        --
06/11/98.....................................      53.719           --       8,000        --
04/27/99.....................................      67.000       60,000          --        --
05/10/99.....................................      70.063        1,500          --        --
05/20/99.....................................      67.875        2,500          --        --
10/29/99.....................................      67.125        2,000          --        --
                                                                ------   ---------   -------
          Total options excluded from
            earnings per share...............                   66,000   1,021,350   999,950
                                                                ======   =========   =======
</TABLE>

3. BUSINESS COMBINATIONS

     The Corporation has consummated the following business combinations during
the three years ended December 31, 1999:

<TABLE>
<CAPTION>
                                                          CONSIDERATION
                                                      ---------------------
                                                                   COMMON     METHOD OF
ORGANIZATION                      DATE CONSUMMATED      CASH       STOCK      ACCOUNTING
- ------------                      -----------------   --------   ----------   ----------
<S>                               <C>                 <C>        <C>          <C>
Cardpro Services, Inc. .........  October 1, 1999     $ 13,110           --   Purchase
Electronic Banking Services.....  April 1, 1999         67,120           --   Purchase
Moneyline Express...............  December 31, 1998      6,750           --   Purchase
Advantage Bancorp, Inc. ........  April 1, 1998             --    3,981,152   Pooling
Security Capital Corporation....  October 1, 1997      375,806   12,324,210   Purchase
</TABLE>

     On October 1, 1999, the Corporation through its Data Services Division
acquired certain assets of Cardpro Services, Inc., a provider of plastic card
personalization and procurement services located in Illinois. The assets were
acquired for cash in a transaction accounted for using the purchase method of
accounting.

                                       44
<PAGE>   46
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

Initial goodwill, subject to the completion of appraisals and valuations of the
assets acquired and liabilities assumed, amounted to $10.1 million and is being
amortized on a straight-line basis over ten years. Additional payments,
contingent upon earnings, may be made through 2005. The total cumulative maximum
payout over the contingency period is $2.16 million. Contingency payments, if
made, will be charged to goodwill. There was no in-process research and
development acquired in this transaction.

     On April 1, 1999, the Corporation, through its Data Services Division,
completed the acquisition of the assets, operational processes and customer
relationships of the Electronic Banking Services business unit of ADP in a cash
transaction using the purchase method of accounting. The acquired software
products and outsourcing solutions are designed to provide businesses with
access to their banking information and transactions through a spectrum of
delivery methods. The total purchase price amounted to $67.12 million. Initial
goodwill, subject to the completion of appraisals and valuations of the assets
acquired and liabilities assumed, amounted to $52.3 million and is being
amortized on a straight-line basis over twenty five years. There was no
in-process research and development acquired in this transaction.

     Moneyline Express, Inc. ("Moneyline"), was a wholly-owned subsidiary of
Travelers Express Company, Inc. that specializes in electronic bill payment.
Moneyline provides consumer bill-payment processing to financial institution
customers including M&I's home-banking customers. On December 31, 1998, the
Corporation, through its Data Services Division, acquired certain assets of
Moneyline in a cash transaction accounted for as a purchase. Goodwill recorded
in this transaction amounted to $5.4 million and is being amortized on a
straight-line basis over fifteen years. There was no in-process research and
development acquired in this transaction.

     The April 1, 1998 merger of Advantage Bancorp, Inc. ("Advantage") with and
into the Corporation was a tax-free reorganization accounted for as a pooling of
interests. In accordance with the terms of the merger, each share of Advantage
Common Stock was converted into a right to receive 1.2 shares of the
Corporation's Common Stock.

     The accompanying consolidated financial statements have been restated to
give effect to the merger with Advantage. Certain adjustments have been made to
conform the presentation of Advantage's information with that of the
Corporation. A reconciliation of net interest income and net income of the
Corporation as previously reported for the year ended December 31, 1997, to the
accompanying Consolidated Financial Statements as restated for the 1998 pooling
of interests is as follows:

<TABLE>
<S>                                                         <C>
NET INTEREST INCOME: (UNAUDITED)
Corporation, as previously reported.......................  $564,047
Advantage Bancorp, Inc. ..................................    30,500
                                                            --------
Combined..................................................  $594,547
                                                            ========
NET INCOME:
Corporation, as previously reported.......................  $245,144
Advantage Bancorp, Inc. ..................................    11,541
                                                            --------
Combined..................................................  $256,685
                                                            ========
</TABLE>

     In conjunction with this transaction the Corporation recorded a
merger/restructuring charge of $23.4 million ($16.3 million after-tax). During
1999, the remaining obligation associated with a closed facility was satisfied
and the merger/restructuring has been completed. There were no material
adjustments to the initial amount recorded.

     On October 1, 1997 the Corporation completed the merger with Security
Capital Corporation ("Security"), the parent of Security Bank S.S.B., a
community-oriented financial institution. This merger was accounted for using
the purchase method of accounting. Total consideration to Security shareholders
was

                                       45
<PAGE>   47
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

approximately $860 million consisting of cash and Common Stock of the
Corporation. Identifiable intangibles recorded in the transaction amounted to
$48.7 million and consisted of core deposit premiums which are being amortized
on an accelerated basis over approximately ten years and mortgage servicing
rights. The amount of goodwill recorded in the transaction amounted to $255.0
million and is being amortized on a straight-line basis over twenty five years.

     In conjunction with this transaction, $18.6 million of exit costs were
recorded as liabilities assumed in the acquisition. As of December 31, 1999, the
remaining liability amounted to $0.5 million which consists of unpaid severance.
Periodic severance payments will continue through 2002.

     The results of operations for the acquired companies accounted for as
purchases are included in the Consolidated Financial Statements from the dates
of acquisition. The information below presents, on a pro forma basis, certain
historical information for the Corporation, adjusted for the Security
transaction, as if the transaction had been consummated on January 1, 1997.

<TABLE>
<CAPTION>
                                                              1997
                                                           ----------
<S>                                                        <C>
Pro Forma Corporation and Security (Unaudited)
  Total Revenues (Interest Income plus Other Income).....  $2,042,753
  Net Income.............................................     218,829
  Net Income Per Share
     Basic...............................................  $     2.03
     Diluted.............................................        1.90
</TABLE>

     The pro forma net income shown above for 1997 includes certain merger
related expenses incurred by Security prior to consummation of the merger.
Merger related expenses, net of gains from required branch divestitures,
incurred by Security in 1997, prior to the merger, were approximately $47.5
million on an after tax basis or approximately $0.41 on a diluted per share
basis.

4. CASH AND DUE FROM BANKS

     At December 31, 1999, $8,697 of cash and due from banks was restricted,
primarily due to requirements of the Federal Reserve System to maintain certain
reserve balances.

5. OTHER SHORT-TERM INVESTMENTS

     Other short-term investments at December 31 were:

<TABLE>
<CAPTION>
                                                               1999     1998
                                                              ------   -------
<S>                                                           <C>      <C>
Commercial paper............................................  $   --   $21,400
Interest bearing deposits in other banks....................   6,828    30,571
                                                              ------   -------
          Total other short-term investments................  $6,828   $51,971
                                                              ======   =======
</TABLE>

                                       46
<PAGE>   48
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

6. SECURITIES

     The book and market values of securities at December 31 were:

<TABLE>
<CAPTION>
                                                1999                      1998
                                       -----------------------   -----------------------
                                       AMORTIZED      MARKET     AMORTIZED      MARKET
                                          COST        VALUE         COST        VALUE
                                       ----------   ----------   ----------   ----------
<S>                                    <C>          <C>          <C>          <C>
Investment Securities Available for
  Sale:
  U.S. Treasury and government
     agencies........................  $3,924,183   $3,852,731   $3,658,730   $3,723,703
  States and political
     subdivisions....................     111,882      109,971          147          148
  Mortgage backed securities.........     179,677      176,780      153,892      154,306
  Other..............................     192,643      217,714      145,614      171,264
                                       ----------   ----------   ----------   ----------
          Total......................  $4,408,385   $4,357,196   $3,958,383   $4,049,421
                                       ==========   ==========   ==========   ==========
Investment Securities Held to
  Maturity:
  U.S. Treasury and government
     agencies........................  $        9   $        9   $       --   $       --
  States and political
     subdivisions....................   1,165,756    1,132,148    1,051,565    1,090,380
  Other..............................       4,969        4,969        4,668        4,668
                                       ----------   ----------   ----------   ----------
          Total......................  $1,170,734   $1,137,126   $1,056,233   $1,095,048
                                       ==========   ==========   ==========   ==========
</TABLE>

     The unrealized gains and losses of securities at December 31 were:

<TABLE>
<CAPTION>
                                                      1999                      1998
                                             -----------------------   -----------------------
                                             UNREALIZED   UNREALIZED   UNREALIZED   UNREALIZED
                                               GAINS        LOSSES       GAINS        LOSSES
                                             ----------   ----------   ----------   ----------
<S>                                          <C>          <C>          <C>          <C>
Investment Securities Available for Sale:
  U.S. Treasury and government agencies....   $ 9,199      $80,651      $72,791       $7,818
  States and political subdivisions........         5        1,916            1           --
  Mortgage backed securities...............       124        3,021          489           75
  Other....................................    25,257          186       25,831          181
                                              -------      -------      -------       ------
          Total............................   $34,585      $85,774      $99,112       $8,074
                                              =======      =======      =======       ======
Investment Securities Held to Maturity:
  U.S. Treasury and government agencies....   $    --      $    --      $    --       $   --
  States and political subdivisions........     3,477       37,085       38,906           91
  Other....................................        --           --           --           --
                                              -------      -------      -------       ------
          Total............................   $ 3,477      $37,085      $38,906       $   91
                                              =======      =======      =======       ======
</TABLE>

     The book value and market value of securities by contractual maturity at
December 31, 1999 were:

<TABLE>
<CAPTION>
                                        INVESTMENT SECURITIES     INVESTMENT SECURITIES
                                         AVAILABLE FOR SALE         HELD TO MATURITY
                                       -----------------------   -----------------------
                                       AMORTIZED      MARKET     AMORTIZED      MARKET
                                          COST        VALUE         COST        VALUE
                                       ----------   ----------   ----------   ----------
<S>                                    <C>          <C>          <C>          <C>
Within one year......................  $  956,436   $  941,809   $   52,427   $   52,516
From one through five years..........   2,469,425    2,425,324      325,907      326,701
From five through ten years..........     692,223      677,305      283,191      281,149
After ten years......................     290,301      312,758      509,209      476,760
                                       ----------   ----------   ----------   ----------
          Total......................  $4,408,385   $4,357,196   $1,170,734   $1,137,126
                                       ==========   ==========   ==========   ==========
</TABLE>

                                       47
<PAGE>   49
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     The gross realized gains and losses amounted to $12,074 and $4,398 in 1999,
$31,421 and $638 in 1998, and $14,976 and $10,849 in 1997, respectively. Net
securities gains of $11,775, $23,638, and $6,705 in 1999, 1998 and 1997,
respectively, are included in the line Capital Markets Revenue in the
Consolidated Statements of Income.

     At December 31, 1999, securities with a value of approximately $871,914
were pledged to secure public deposits, short-term borrowings, and for other
purposes required by law.

     Approximately $259 million of adjustable rate mortgage loans (ARMs) were
securitized and transferred to investment securities available for sale during
1998. There were no ARMs securitized during 1999. The Corporation has agreed to
guarantee the first 4% of the loan pools securitized through government agencies
against potential loss. Since inception of the program, approximately $1.2
billion of ARMs have been securitized by M&I and no losses have been incurred.
These are noncash transactions for purposes of the Consolidated Statements of
Cash Flows.

7. LOANS AND LEASES

     Loans and Leases at December 31 were:

<TABLE>
<CAPTION>
                                                                1999          1998
                                                             -----------   -----------
<S>                                                          <C>           <C>
Commercial, financial and agricultural.....................  $ 4,754,857   $ 4,077,837
Real estate:
  Construction.............................................      494,558       425,442
  Residential mortgage.....................................    4,941,450     4,045,022
  Commercial mortgage......................................    4,034,771     3,667,924
Personal...................................................    1,299,416     1,166,541
Lease financing............................................      810,009       613,400
                                                             -----------   -----------
          Total loans and leases...........................  $16,335,061   $13,996,166
                                                             ===========   ===========
</TABLE>

     The Corporation's lending activities are concentrated primarily in the
Midwest. Approximately 4% of its portfolio consists of loans granted to
customers located in Arizona. The Corporation had $0.4 million in foreign
credits at December 31, 1999. The Corporation's loan portfolio consists of
business loans extending across many industry types, as well as loans to
individuals. As of December 31, 1999, total loans to any group of customers
engaged in similar activities and having similar economic characteristics, as
defined by standard industrial classifications, did not exceed 10% of total
loans.

     The Corporation evaluates the credit risk of each customer on an individual
basis and, where deemed appropriate, collateral is obtained. Collateral varies
by individual loan customer but may include accounts receivable, inventory, real
estate, equipment, deposits, personal and government guaranties, and general
security agreements. Access to collateral is dependent upon the type of
collateral obtained. On an on-going basis, the Corporation monitors its
collateral and the collateral value related to the loan balance outstanding.

     An analysis of loans outstanding to directors and officers, including their
related interests, of the Corporation and its significant subsidiaries for 1999
is presented in the following table. All of these loans were made in the
ordinary course of business with normal credit terms, including interest rates
and collateral. The beginning balance has been adjusted to reflect the activity
of newly-appointed directors and executive officers.

                                       48
<PAGE>   50
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     Loans to directors and executive officers:

<TABLE>
<S>                                                         <C>
Balance, beginning of year................................  $238,983
New loans.................................................   147,197
Repayments................................................   (99,056)
                                                            --------
Balance, end of year......................................  $287,124
                                                            ========
</TABLE>

8. ALLOWANCE FOR LOAN AND LEASE LOSSES

     An analysis of the allowance for loan and lease losses follows:

<TABLE>
<CAPTION>
                                                         1999       1998       1997
                                                       --------   --------   --------
<S>                                                    <C>        <C>        <C>
Balance, beginning of year...........................  $226,052   $208,651   $161,659
Allowance of banks acquired..........................        --         --     42,773
Provision charged to expense.........................    25,419     27,090     17,633
Charge-offs..........................................   (32,557)   (20,945)   (21,502)
Recoveries...........................................     6,948     11,256      8,088
                                                       --------   --------   --------
Balance, end of year.................................  $225,862   $226,052   $208,651
                                                       ========   ========   ========
</TABLE>

     As of December 31, 1999 and 1998, nonaccrual loans and leases totaled
$106,387 and $101,346, respectively.

     At December 31, 1999 and 1998 the Corporation's recorded investment in
impaired loans and leases and the related valuation allowance are as follows:

<TABLE>
<CAPTION>
                                                       1999                     1998
                                              ----------------------   ----------------------
                                               RECORDED    VALUATION    RECORDED    VALUATION
                                              INVESTMENT   ALLOWANCE   INVESTMENT   ALLOWANCE
                                              ----------   ---------   ----------   ---------
<S>                                           <C>          <C>         <C>          <C>
Total impaired loans and leases (Nonaccrual
  and renegotiated).........................   $107,095                 $102,324
Loans and leases excluded from individual
  evaluation................................    (32,255)                 (39,655)
                                               --------                 --------
Impaired loans evaluated....................   $ 74,840                 $ 62,669
                                               ========                 ========
Valuation allowance required................   $  3,533      $980       $  4,132      $836
No valuation allowance required.............     71,307        --         58,537        --
                                               --------      ----       --------      ----
Impaired loans evaluated....................   $ 74,840      $980       $ 62,669      $836
                                               ========      ====       ========      ====
</TABLE>

     The recorded investment in impaired loans for which no allowance is
required is net of applications of cash interest payments and net of previous
direct writedowns of $13,862 in 1999 and $4,813 in 1998 against the loan balance
outstanding. The required valuation allowance is included in the allowance for
loan and lease losses in the Consolidated Balance Sheets.

     The average recorded investment in total impaired loans and leases for the
years ended December 31, 1999 and 1998 amounted to $116,835 and $81,154,
respectively.

     Interest payments received on impaired loans and leases are recorded as
interest income unless collection of the remaining recorded investment is
doubtful at which time payments received are recorded as reductions of
principal. Interest income recognized on total impaired loans and leases
amounted to $6,253 in 1999, $6,808 in 1998, and $3,678 in 1997. The gross income
that would have been recognized had such loans and leases

                                       49
<PAGE>   51
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

been performing in accordance with their original terms would have been $9,980
in 1999, $8,795 in 1998, and $6,328 in 1997.

9. PREMISES AND EQUIPMENT

     The composition of premises and equipment at December 31 was:

<TABLE>
<CAPTION>
                                                                1999       1998
                                                              --------   --------
<S>                                                           <C>        <C>
Land........................................................  $ 46,896   $ 46,557
Buildings and leasehold improvements........................   325,889    312,349
Furniture and equipment.....................................   421,028    405,303
                                                              --------   --------
                                                               793,813    764,209
Less accumulated depreciation...............................   423,279    403,864
                                                              --------   --------
          Total premises and equipment......................  $370,534   $360,345
                                                              ========   ========
</TABLE>

     Depreciation expense was $62,845 in 1999, $66,107 in 1998, and $59,254 in
1997.

     The Corporation leases certain of its facilities and equipment. Rent
expense under such operating leases was $50,200 in 1999, $39,338 in 1998, and
$30,723 in 1997, respectively.

     The future minimum lease payments under operating leases that have initial
or remaining noncancellable lease terms in excess of one year for 2000 through
2004 are $18,653, $16,640, $13,569, $11,928, and $10,630, respectively.

10. DEPOSITS

     The composition of deposits at December 31 was:

<TABLE>
<CAPTION>
                                                                1999          1998
                                                             -----------   -----------
<S>                                                          <C>           <C>
Noninterest bearing demand.................................  $ 2,830,960   $ 2,929,195
Savings and NOW............................................    6,966,423     6,768,523
CDs $100,000 and over......................................    1,885,933     1,497,315
Other time deposits........................................    3,419,333     3,544,614
Foreign deposits...........................................    1,332,533     1,180,272
                                                             -----------   -----------
          Total deposits...................................  $16,435,182   $15,919,919
                                                             ===========   ===========
</TABLE>

     At December 31, 1999, the scheduled maturities for CDs $100,000 and over,
other time deposits, and foreign deposits were:

<TABLE>
<S>                                                        <C>
2000.....................................................  $4,331,258
2001.....................................................   1,212,337
2002.....................................................     610,480
2003.....................................................     102,026
2004 and thereafter......................................     381,698
                                                           ----------
                                                           $6,637,799
                                                           ==========
</TABLE>

                                       50
<PAGE>   52
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

11. SHORT-TERM BORROWINGS

     Short-term borrowings at December 31 were:

<TABLE>
<CAPTION>
                                                                 1999         1998
                                                              ----------   ----------
<S>                                                           <C>          <C>
Funds purchased and security repurchase agreements..........  $1,402,077   $1,712,165
U.S. Treasury demand notes..................................     169,615       58,618
U.S. Treasury demand notes -- special direct................   1,874,714           --
Senior bank notes...........................................     549,825           --
Commercial paper............................................     246,514       60,162
Current maturities of long-term borrowings..................     292,890      242,735
Other.......................................................       4,620        3,605
                                                              ----------   ----------
          Total short-term borrowings.......................  $4,540,255   $2,077,285
                                                              ==========   ==========
</TABLE>

     U.S. Treasury demand notes -- special direct represent secured borrowings
of three banking affiliates with a maximum term of 21 days.

     In September, 1999, eight of the Corporation's affiliate banking
subsidiaries began offering bank notes. Bank notes may be senior or subordinated
in ranking, have maturities ranging from 7 days to 30 years at a fixed or
floating rate up to a maximum of $5.0 billion aggregate principal amount
outstanding at any time. The bank notes are offered through certain designated
agents and are offered and sold only to institutional investors. The bank notes
are sole obligations of the respective issuing banks and are not obligations of
or guaranteed by the Corporation. The amount outstanding at December 31, 1999,
represents the aggregate borrowings of four banking subsidiaries and mature in
September and October of 2000. Each bank note outstanding has a fixed rate which
ranged from 6.07% to 6.36%. Interest will be paid at maturity.

     Unused lines of credit, primarily to support commercial paper borrowings,
were $70.0 million at December 31, 1999 and $40.0 million at December 31, 1998.

12. LONG-TERM BORROWINGS

     Long-term borrowings at December 31 were:

<TABLE>
<CAPTION>
                                                                1999        1998
                                                              --------   ----------
<S>                                                           <C>        <C>
CORPORATION:
6.375% subordinated notes due in 2003.......................  $ 99,722   $   99,654
Medium-term Series C and D notes............................   151,130      101,930
7.65% cumulative company-obligated mandatorily redeemable
  capital trust pass-through securities.....................   199,128      199,096
Other.......................................................     9,628       13,090
SUBSIDIARIES:
Borrowings from Federal Home Loan Bank (FHLB):
  Floating rate advances....................................   250,000      300,000
  Fixed rate advances.......................................   208,795      281,837
Nonrecourse notes...........................................    24,999       26,830
9.75% obligation under capital lease due through 2006.......     3,472        3,825
Other.......................................................    11,040       10,955
                                                              --------   ----------
                                                               957,914    1,037,217
Less current maturities.....................................   292,890      242,735
                                                              --------   ----------
          Total long-term borrowings........................  $665,024   $  794,482
                                                              ========   ==========
</TABLE>

                                       51
<PAGE>   53
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     The 6.375% subordinated notes are not redeemable prior to maturity and
qualify as "Tier 2" or supplementary capital for regulatory capital purposes.
Interest is payable semiannually.

     At December 31, 1999, there were $27,130 of medium-term Series C notes
outstanding. The medium-term Series C notes have fixed interest rates of 6.26%
to 6.75% and mature at various amounts and times through 2002. No additional
borrowings may occur under the Series C notes. At December 31, 1999, medium-term
Series D notes outstanding amounted to $124,000 with fixed interest rates of
6.18% to 7.20%. Series D notes mature at various times and amounts in 2000
through 2004. No additional borrowings may occur under the Series D notes.

     In December 1996, the Corporation formed M&I Capital Trust A (the "Trust")
and issued $200 million in liquidation or principal amount of cumulative
preferred capital securities. Holders of the capital securities are entitled to
receive cumulative cash distributions at an annual rate of 7.65% payable
semiannually.

     Concurrently with the issuance of the capital securities, the Trust
invested the proceeds, together with the consideration paid by the Corporation
for the common interest in the Trust, in junior subordinated deferrable interest
debentures ("subordinated debt") issued by the Corporation. The subordinated
debt, which represents the sole asset of the Trust, bears interest at an annual
rate of 7.65% payable semiannually and matures on December 1, 2026.

     The subordinated debt is junior in right of payment to all present and
future senior indebtedness of the Corporation. The Corporation may redeem the
subordinated debt in whole or in part at any time on or after December 1, 2006
at specified call premiums, and at par on or after December 1, 2016. In
addition, in certain circumstances the subordinated debt may be redeemed at par
upon the occurrence of certain events. The Corporation's right to redeem the
subordinated debt is subject to regulatory approval.

     The Corporation has the right, subject to certain conditions, to defer
payments of interest on the subordinated debt for extension periods, each period
not exceeding ten consecutive semiannual periods. As a consequence of the
Corporation's extension of the interest payment period, distributions on the
capital securities would be deferred. In the event the Corporation exercises its
right to extend an interest payment period, the Corporation is prohibited from
making dividend or any other equity distributions during such extension period.

     The payment of distributions, liquidation of the Trust or payment upon the
redemption of the capital securities are guaranteed by the Corporation.

     The Corporation, as owner of the common interest in the Trust, has the
right at any time to terminate the Trust, subject to certain conditions. In
circumstances other than maturity or redemption of the subordinated debt, the
subordinated debt would be distributed to the holders of the Trust securities on
a pro rata basis in liquidation of the holders' interests in the Trust.

     The capital securities qualify as "Tier 1" capital for regulatory capital
purposes.

     Fixed rate FHLB advances were assumed in conjunction with the April 1, 1998
Advantage merger and mature at various times in 2000 through 2007. A portion of
the advances are subject to periodic principal payments. $28.5 million may be
repaid without penalty at six month intervals. All other advances are subject to
a prepayment penalty if they are repaid prior to maturity. Borrowings from FHLB
were also assumed in conjunction with the October 1, 1997 Security merger.

     The floating rate advances mature in increments of $50 million at various
times in 2000 through 2001. The interest rate is reset monthly based on the
London Interbank Offered Rate (LIBOR). One floating rate advance in the amount
of $50 million is callable by FHLB semiannually after November 1997 upon ten
days notice. The fixed rate advances have interest rates which range from 5.03%
to 8.86% and mature at various times in 2000 through 2012. A portion of the
fixed rate advances are subject to periodic principal payments.

                                       52
<PAGE>   54
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

Fixed rate advances in the amount of $100 million are callable every three
months beginning in February 1998 upon five days notice. A portion of the FHLB
borrowings can be prepaid.

     The Corporation is required to maintain unencumbered first mortgage loans
and mortgage-related securities such that the outstanding balance of FHLB
advances does not exceed 60% of the book value of this collateral. In addition,
a portion of these advances are collateralized by all FHLB stock.

     The nonrecourse notes are reported net of prepaid interest and represent
borrowings by the leasing subsidiary from banks and other financial
institutions. These notes have a weighted average interest rate of 8.25% at
December 31, 1999 and are due in installments over varying periods through 2005.
Lease financing receivables at least equal to the amount of the notes are
pledged as collateral.

     Scheduled maturities of long-term borrowings are: $279,772, $56,564,
$116,701, and $2,646 for 2001 through 2004, respectively.

13. SHAREHOLDERS' EQUITY

     The Corporation has 5,000,000 shares of preferred stock authorized, of
which the Board of Directors has designated 2,000,000 shares as Series A
convertible, with a $100 value per share for conversion purposes. Series A is
nonvoting preferred stock. The same cash dividends will be paid on Series A as
would have been paid on the common stock exchanged for Series A. Except under
limited circumstances, the holder may not sell, transfer or otherwise dispose of
stock acquired by conversion, and then, only under prescribed conditions and
subject to the Corporation's right of first refusal.

     The holder has the option to convert Series A into common stock at the same
ratio that the common stock was exchanged for Series A. During 1999, the holder
of Series A converted 348,944 shares of Series A into 3,832,957 shares of common
stock which were issued out of the Corporation's treasury common stock. This is
a noncash transaction for purposes of the Consolidated Statements of Cash Flows.
At December 31, 1999, there were 336,370 shares of Series A outstanding which
are convertible into 3,844,228 shares of common stock.

     The preferred stock is treated as a common stock equivalent in all
applicable per share calculations.

     In 1998, the Corporation began sponsoring a deferred compensation plan for
its non-employee directors and the non-employee directors of its affiliates.
Participants may elect to have their deferred fees used to purchase M&I common
stock with dividend reinvestment. Such shares will be distributed to plan
participants in accordance with the plan provisions. At December 31, 1999 and
1998, 267,535 and 246,854 shares of M&I common stock, respectively, were held in
a grantor trust. The aggregate cost of such shares is included in Deferred
Compensation as a reduction of shareholders' equity in the Consolidated Balance
Sheets and amounted to $13,525 at December 31, 1999 and $12,608 at December 31,
1998.

     In conjunction with the Security merger, the Corporation assumed certain
deferred compensation and nonqualified retirement plans for former directors and
executive officers of Security. At December 31, 1999 and 1998, 106,333 and
119,069 common shares of M&I Stock, respectively, were maintained in a grantor
trust with such shares to be distributed to plan participants in accordance with
the provisions of the plans. The aggregate cost of such shares of $4,218 and
$5,065 at December 31, 1999 and 1998, respectively, is included in Deferred
Compensation as a reduction of shareholders' equity in the Consolidated Balance
Sheets.

     The Corporation issues treasury common stock in conjunction with exercises
of stock option and restricted stock, acquisitions, and conversions of
convertible securities. Treasury shares are acquired from restricted stock
forfeitures, shares tendered to cover tax withholding associated with stock
option exercises and vesting of key restricted stock, mature shares tendered for
stock option exercises in lieu of cash and open market purchases in accordance
with approved share repurchase programs. The Corporation is currently

                                       53
<PAGE>   55
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

authorized to repurchase up to 6.0 million shares per year. During 1999, shares
repurchased in accordance with the approved plan, amounted to 5.1 million shares
with an aggregate cost of $317.1 million.

     Federal banking regulatory agencies have established capital adequacy rules
which take into account risk attributable to balance sheet assets and
off-balance sheet activities. All banks and bank holding companies must meet a
minimum total risk-based capital ratio of 8%. Of the 8% required, at least half
must be comprised of core capital elements defined as Tier 1 capital. The
federal banking agencies also have adopted leverage capital guidelines which
banking organizations must meet. Under these guidelines, the most highly rated
banking organizations must meet a minimum leverage ratio of at least 3% Tier 1
capital to total assets, while lower rated banking organizations must maintain a
ratio of at least 4% to 5%. Failure to meet minimum capital requirements can
initiate certain mandatory -- and possibly additional discretionary -- actions
by regulators that, if undertaken, could have a direct material effect on the
Consolidated Financial Statements.

     At December 31, 1999 and 1998, the most recent notification from the
Federal Reserve Board categorized the Corporation as well capitalized under the
regulatory framework for prompt corrective action. There are no conditions or
events since that notification that management believes have changed the
Corporation's category.

     To be well capitalized under the regulatory framework, the Tier 1 capital
ratio must meet or exceed 6%, the total capital ratio must meet or exceed 10%
and the leverage ratio must meet or exceed 5%.

     The Corporation's risk-based capital and leverage ratios are as follows ($
in millions):

<TABLE>
<CAPTION>
                                                        RISK-BASED CAPITAL RATIOS
                                        ---------------------------------------------------------
                                         AS OF DECEMBER 31, 1999       AS OF DECEMBER 31, 1998
                                        --------------------------   ----------------------------
                                            AMOUNT         RATIO          AMOUNT          RATIO
                                        --------------   ---------   ----------------   ---------
<S>                                     <C>              <C>         <C>                <C>
Tier 1 capital........................  $      1,992.8       11.11%  $        2,059.9       12.78%
Tier 1 capital adequacy minimum
  requirement.........................           717.5        4.00              644.8        4.00
                                        --------------   ---------   ----------------   ---------
Excess................................  $      1,275.3        7.11%  $        1,415.1        8.78%
                                        ==============   =========   ================   =========
Total capital.........................  $      2,277.0       12.69%  $        2,341.7       14.53%
Total capital adequacy minimum
  requirement.........................         1,435.0        8.00            1,289.6        8.00
                                        --------------   ---------   ----------------   ---------
Excess................................  $        842.0        4.69%  $        1,052.1        6.53%
                                        ==============   =========   ================   =========
Risk-adjusted assets..................  $     17,937.1               $       16,120.5
                                        ==============               ================
</TABLE>

<TABLE>
<CAPTION>
                                                             LEVERAGE RATIO
                                        ---------------------------------------------------------
                                         AS OF DECEMBER 31, 1999       AS OF DECEMBER 31, 1998
                                        --------------------------   ----------------------------
                                            AMOUNT         RATIO          AMOUNT          RATIO
                                        --------------   ---------   ----------------   ---------
<S>                                     <C>              <C>         <C>                <C>
Tier 1 capital to adjusted total
  assets..............................  $      1,992.8        8.49%  $        2,059.9        9.86%
Minimum leverage adequacy
  requirement.........................   704.4-1,174.1   3.00-5.00      626.9-1,044.8   3.00-5.00
                                        --------------   ---------   ----------------   ---------
Excess................................  $1,288.4-818.7   5.49-3.49%  $1,433.0-1,015.1   6.86-4.86%
                                        ==============   =========   ================   =========
Adjusted average total assets.........  $     23,481.0               $       20,896.2
                                        ==============               ================
</TABLE>

                                       54
<PAGE>   56
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     All of the Corporation's banking subsidiaries' risk-based capital and
leverage ratios meet or exceed the defined minimum requirements, and have been
deemed well capitalized as of December 31, 1999 and 1998. The following table
presents the risk-based capital ratios for the Corporation's significant banking
subsidiaries:

<TABLE>
<CAPTION>
SUBSIDIARY                                                    TIER 1   TOTAL   LEVERAGE
- ----------                                                    ------   -----   --------
<S>                                                           <C>      <C>     <C>
M&I Marshall & Ilsley Bank
  December 31, 1999.........................................   9.11%   10.28%    6.93%
  December 31, 1998.........................................   9.42    10.67     7.14
M&I Bank of Southern Wisconsin
  December 31, 1999.........................................   9.35    10.60     7.20
  December 31, 1998.........................................   9.23    10.48     7.47
</TABLE>

     Banking subsidiaries are restricted by banking regulations from making
dividend distributions above prescribed amounts and are limited in making loans
and advances to the Corporation. At December 31, 1999, the retained earnings of
subsidiaries available for distribution as dividends without regulatory approval
was approximately $207.3 million.

14. INCOME TAXES

     Total income tax expense for the years ended December 31, 1999, 1998, and
1997 was allocated as follows:

<TABLE>
<CAPTION>
                                                         1999       1998       1997
                                                       --------   --------   --------
<S>                                                    <C>        <C>        <C>
Income before income taxes...........................  $173,428   $163,962   $131,487
Shareholders' Equity:
  Compensation expense for tax purposes in excess of
     amounts recognized for financial reporting
     purposes........................................   (12,764)   (13,846)   (15,704)
  Unrealized (losses)/gains on investment securities
     available for sale..............................   (51,376)     3,427     13,654
                                                       --------   --------   --------
                                                       $109,288   $153,543   $129,437
                                                       ========   ========   ========
</TABLE>

     The current and deferred portions of the provision for income taxes were:

<TABLE>
<CAPTION>
                                                         1999       1998       1997
                                                       --------   --------   --------
<S>                                                    <C>        <C>        <C>
Current:
  Federal............................................  $126,358   $140,649   $109,942
  State..............................................     7,059     20,556      9,766
                                                       --------   --------   --------
                                                        133,417    161,205    119,708
Deferred:
  Federal............................................    31,860      3,565      4,847
  State..............................................     8,151       (808)     6,932
                                                       --------   --------   --------
                                                         40,011      2,757     11,779
                                                       --------   --------   --------
          Total provision for income taxes...........  $173,428   $163,962   $131,487
                                                       ========   ========   ========
</TABLE>

                                       55
<PAGE>   57
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     The following is a reconciliation between the amount of the provision for
income taxes and the amount of tax computed by applying the statutory Federal
income tax rate (35%):

<TABLE>
<CAPTION>
                                                         1999       1998       1997
                                                       --------   --------   --------
<S>                                                    <C>        <C>        <C>
Tax computed at statutory rates......................  $184,779   $162,850   $135,860
Increase (decrease) in taxes resulting from:
  Federal tax-exempt income..........................   (18,145)   (15,836)   (13,224)
  State income taxes, net of Federal tax benefit.....    10,050     13,082     10,853
  Other..............................................    (3,256)     3,866     (2,002)
                                                       --------   --------   --------
          Total provision for income taxes...........  $173,428   $163,962   $131,487
                                                       ========   ========   ========
</TABLE>

     The tax effects of temporary differences that give rise to significant
elements of the deferred tax assets and deferred tax liabilities at December 31,
are as follows:

<TABLE>
<CAPTION>
                                                                1999       1998
                                                              --------   --------
<S>                                                           <C>        <C>
Deferred tax assets:
  Deferred compensation.....................................  $ 28,069   $ 29,856
  Allowance for loan and lease losses.......................    83,945     82,922
  Accrued postretirement benefits...........................    26,016     23,830
  Unrealized gains and losses...............................    18,440         --
  State NOLs and Other......................................    66,353     44,229
                                                              --------   --------
     Total deferred tax assets before valuation allowance...   222,823    180,837
  Valuation allowance.......................................   (25,727)   (11,341)
                                                              --------   --------
     Net deferred tax assets................................   197,096    169,496
Deferred tax liabilities:
  Lease revenue reporting...................................    99,518     61,317
  Deferred expense, net of unearned income..................    30,596     22,339
  Premises and equipment, principally due to depreciation...    13,064     15,090
  Pension funding versus expense............................     5,234      5,234
  Purchase accounting adjustments...........................    14,841     21,039
  Unrealized gains and losses...............................        --     32,936
  Other.....................................................    38,237     28,282
                                                              --------   --------
          Total deferred tax liabilities....................   201,490    186,237
                                                              --------   --------
          Net deferred tax liability........................  $  4,394   $ 16,741
                                                              ========   ========
</TABLE>

     The valuation allowance has been provided to reduce certain state deferred
tax assets to the amount of tax benefit management believes it will more likely
than not realize. At December 31, 1999, the Corporation recognized a $15,061
deferred tax asset related to state net operating losses that may be offset
against future taxable income through 2014. At December 31, 1999, the
Corporation believes there is at least a 50% chance that the carryforward may
expire unused however, as time passes the Corporation will be able to better
assess the amount of tax benefit it will realize from using the carryforward.
Accordingly, the $15,061 tax benefit of the carryforward has been offset by a
$15,061 valuation allowance which is the primary cause of the change in
valuation allowance compared to December 31, 1998.

     The amount of income tax expense related to net securities gains or losses
amounted to $3,286, $11,136, and $1,630, in 1999, 1998, and 1997, respectively.

                                       56
<PAGE>   58
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

15. STOCK OPTION AND RESTRICTED STOCK PLANS

     The Corporation has Executive Stock Option and Restricted Stock Plans which
provide for the grant of nonqualified and incentive stock options, stock
appreciation rights and rights to purchase restricted shares to key employees at
prices ranging from not less than the par value of the common shares to the
market value of the shares at the date of grant.

     The nonqualified and incentive stock option plans generally provide for the
grant of options to purchase shares of the Corporation's common stock for a
period of ten years from the date of grant. Options granted generally become
exercisable over a period of two or three years from the date of grant however,
options granted to Directors of the Corporation vest immediately and options
granted after 1996 provide accelerated or immediate vesting for grants to
individuals who meet certain age and years of service criteria at the date of
grant.

     Activity relating to nonqualified and incentive stock options was:

<TABLE>
<CAPTION>
                                                                               WEIGHTED
                                                                               AVERAGE
                                                     NUMBER     OPTION PRICE   EXERCISE
                                                   OF SHARES     PER SHARE      PRICE
                                                   ----------   ------------   --------
<S>                                                <C>          <C>            <C>
Shares under option at December 31, 1996.........   6,361,614   $ 5.19-31.88    $18.93
Options granted..................................   1,635,755    11.56-57.00     40.10
Options lapsed or surrendered....................     (35,338)   19.25-31.88     28.97
Options exercised................................  (1,862,429)    5.19-31.88     13.53
                                                   ----------   ------------    ------
Shares under option at December 31, 1997.........   6,099,602   $ 7.67-57.00    $26.19
Options granted..................................   1,312,150    45.88-57.63     52.06
Options lapsed or surrendered....................     (59,003)    7.67-57.63     49.57
Options exercised................................  (1,102,814)    7.67-40.13     15.01
                                                   ----------   ------------    ------
Shares under option at December 31, 1998.........   6,249,935   $ 7.67-57.63    $33.38
Options granted..................................   1,606,725    57.09-70.06     61.72
Options lapsed or surrendered....................     (81,789)   10.92-62.25     52.15
Options exercised................................    (967,557)    7.67-57.63     19.01
                                                   ----------   ------------    ------
Shares under option at December 31, 1999.........   6,807,314   $ 7.68-70.06    $41.88
                                                   ==========   ============    ======
</TABLE>

     The range of options outstanding at December 31, 1999 were:

<TABLE>
<CAPTION>
                                                                                            WEIGHTED-
                                                                 WEIGHTED-AVERAGE            AVERAGE
                                     NUMBER OF SHARES             EXERCISE PRICE            REMAINING
                                 -------------------------   -------------------------     CONTRACTUAL
PRICE RANGE                      OUTSTANDING   EXERCISABLE   OUTSTANDING   EXERCISABLE   LIFE (IN YEARS)
- -----------                      -----------   -----------   -----------   -----------   ---------------
<S>                              <C>           <C>           <C>           <C>           <C>
$7-18..........................     756,784       756,784      $15.81        $15.81            2.0
19-29..........................   1,648,566     1,648,566       22.37         22.37            4.8
30-40..........................     641,563       641,563       32.08         32.08            7.0
41-52..........................   1,190,875       714,099       51.75         51.75            8.9
53-61..........................     985,801       867,176       57.06         57.02            8.0
Over $61.......................   1,583,725       403,400       61.75         62.28            9.9
                                  ---------     ---------      ------        ------            ---
                                  6,807,314     5,031,588      $41.88        $35.96            7.1
                                  =========     =========      ======        ======            ===
</TABLE>

     Options exercisable at December 31, 1998 and 1997 were 4,759,535 and
4,845,927, respectively. The weighted average exercise price for options
exercisable was $27.10 at December 31, 1998 and $20.26 at December 31, 1997.

                                       57
<PAGE>   59
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     Statement of Financial Accounting Standards No. 123 (SFAS 123), "Accounting
for Stock-Based Compensation," establishes financial accounting and reporting
standards for stock based employee compensation plans.

     SFAS 123 defines a fair value based method of accounting for employee stock
option or similar equity instruments. Under the fair value based method,
compensation cost is measured at the grant date based on the fair value of the
award using an option-pricing model that takes into account the stock price at
the grant date, the exercise price, the expected life of the option, the
volatility of the underlying stock, expected dividends and the risk-free
interest rate over the expected life of the option. The resulting compensation
cost is recognized over the service period, which is usually the vesting period.

     Compensation cost can also be measured and accounted for using the
intrinsic value based method of accounting prescribed in Accounting Principles
Board Opinion No. 25 (APBO 25), "Accounting for Stock Issued to Employees."
Under the intrinsic value based method, compensation cost is the excess, if any,
of the quoted market price of the stock at grant date or other measurement date
over the amount paid to acquire the stock.

     The largest difference between SFAS 123 and APBO 25 as it relates to the
Corporation is the amount of compensation cost attributable to the Corporation's
fixed stock option plans. Under APBO 25 no compensation cost is recognized for
fixed stock option plans because the exercise price is equal to the quoted
market price at the date of grant and therefore there is no intrinsic value.
SFAS 123 compensation cost would equal the calculated fair value of the options
granted.

     As permitted by SFAS 123, the Corporation continues to measure compensation
cost for such plans using the accounting method prescribed by APBO 25.

     Had compensation cost for the Corporation's options granted after January
1, 1995 been determined consistent with SFAS 123, the Corporation's net income
and earnings per share would have been reduced to the following pro forma
amounts:

<TABLE>
<CAPTION>
                                                         1999       1998       1997
                                                       --------   --------   --------
<S>                                                    <C>        <C>        <C>
Net income:
  As reported........................................  $354,511   $301,323   $256,685
  Pro forma..........................................   332,283    292,227    251,310
Basic earnings per share:
  As reported........................................  $   3.32   $   2.79   $   2.62
  Pro forma..........................................      3.11       2.70       2.57
Diluted earnings per share:
  As reported........................................  $   3.14   $   2.61   $   2.43
  Pro forma..........................................      2.95       2.54       2.39
</TABLE>

     The fair value of each option grant was estimated as of the date of grant
using the Black-Scholes option pricing model. The resulting compensation cost
was amortized over the vesting period. The fair value of options assumed in the
Security merger were included in the determination of total consideration. No
compensation cost associated with such options was included in determining pro
forma net income.

                                       58
<PAGE>   60
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     The grant date fair values and assumptions used to determine such value are
as follows:

<TABLE>
<CAPTION>
                                                 1999           1998           1997
                                             ------------   ------------   ------------
<S>                                          <C>            <C>            <C>
Weighted-average grant date fair value.....  $      19.54   $      13.31   $      14.80
Assumptions:
  Risk-free interest rates.................     4.75-6.45%     4.53-5.88%     5.75-6.81%
  Expected volatility......................   22.00-24.62%   18.38-22.01%   17.03-18.47%
  Expected term (in years).................           6.0            6.0            6.0
  Expected dividend yield..................          1.56%          1.69%          1.42%
</TABLE>

     Activity relating to the Corporation's Restricted Purchase Rights was:

<TABLE>
<CAPTION>
                                                                DECEMBER 31
                                                       ------------------------------
                                                         1999       1998       1997
                                                       --------   --------   --------
<S>                                                    <C>        <C>        <C>
Restricted stock purchase rights outstanding --
  Beginning of Year..................................        --     10,500     15,000
Restricted stock purchase rights granted.............    21,000     20,250     14,000
Restricted stock purchase rights exercised...........   (21,000)   (30,750)   (18,500)
                                                       --------   --------   --------
Restricted stock purchase rights outstanding --
  End of Year........................................        --         --     10,500
Weighted-average grant date market value.............  $  64.41   $  56.40   $  54.08
Aggregate compensation expense.......................  $    534   $    556   $    474
Unamortized deferred compensation....................  $  2,387   $  1,964   $    966
</TABLE>

     Restrictions on stock issued pursuant to the exercise of stock purchase
rights lapse within a seven year period. Accordingly, the compensation related
to issuance of the rights is deferred and amortized over the vesting period.
Unamortized deferred compensation is reflected as a reduction of shareholders'
equity.

     Shares reserved for the granting of options and stock purchase rights at
December 31, 1999 were 1,812,192.

     The Corporation also has a Long-term Incentive Plan. Under the plan,
performance units may be awarded from time to time. Once awarded, additional
performance units will be credited to each participant based on dividends paid
by the Corporation on its common stock. At the end of a designated vesting
period, participants will receive an amount equal to some percent (0%-275%) of
the initial performance units credited plus those additional units credited as
dividends based on the established performance criteria. Units awarded to
certain executives of the Corporation were 50,000 in 1999, 103,250 in 1998, and
104,750 in 1997. The vesting period is three years from the date the performance
units were awarded. At December 31, 1999, based on the performance criteria,
approximately $12,674 would be due to the participants under the 1998 and 1999
awards. In addition, the amount payable to participants under the 1997 award
which was fully vested, was $10,377 at December 31, 1999.

     Compensation expense in 1998 associated with the accelerated vesting of
Advantage's stock options outstanding amounted to $10,372 which is included in
Merger/Restructuring in the Consolidated Statements of Income.

16. EMPLOYEE RETIREMENT AND HEALTH PLANS

     The Corporation has a defined contribution retirement plan and an incentive
savings plan for substantially all employees. The retirement plan provides for a
guaranteed contribution to eligible participants equal to 2% of compensation. At
the Corporation's option, a profit sharing amount may also be contributed and
may vary from year to year up to a maximum of 6% of eligible compensation. Under
the incentive savings plan,
                                       59
<PAGE>   61
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

employee contributions up to 6% of eligible compensation are matched up to 50%
by the Corporation based on the Corporation's return on equity as defined by the
plan. Total expense relating to these plans was $37,378, $32,108, and $31,804 in
1999, 1998, and 1997, respectively.

     The Corporation also has supplemental retirement plans to provide
retirement benefits to certain of its key executives. Total expense relating to
these plans amounted to $174 in 1999, $1,393 in 1998, and $1,567 in 1997.

     Security sponsored a trusteed defined benefit pension plan, and defined
contribution ESOP plan for substantially all of its employees. In conjunction
with the merger, such plans were terminated for accounting purposes. During
1998, distributions of approximately $91.1 million were made to former
participants of the plans in the form of lump sum payments and annuity
purchases. Final distributions to former participants in the plan are in the
process of being completed. Security also sponsored a defined contribution
401(k) plan that merged with the Corporation's incentive savings plan in October
of 1998.

     Advantage also sponsored a defined contribution ESOP plan for substantially
all of its employees. In conjunction with the merger, such plan was terminated
and distributions were made to the former participants in the plan. Advantage
sponsored a defined contribution 401(k) plan that merged with the Corporation's
incentive savings plan at October 1, 1998. Total expense relating to these plans
amounted to $127 and $319 in 1998 and 1997, respectively. In addition, expense
associated with the termination of the ESOP in 1998 amounted to $1,246 which is
included in Merger/Restructuring in the Consolidated Statements of Income.

     The Corporation sponsors a defined benefit health plan that provides health
care benefits to eligible current and retired employees. Eligibility for retiree
benefits is dependent upon age, years of service, and participation in the
health plan during active service. The plan is contributory and in 1997 the plan
was amended. Employees hired or retained from mergers after September 1, 1997
will be granted access to the Corporation's plan upon retirement however, such
retirees must pay 100% of the cost of health care benefits. The plan continues
to contain other cost-sharing features such as deductibles and coinsurance. The
plan is not funded.

     The changes during the year of the accumulated postretirement benefit
obligation (APBO) for retiree health benefits are as follows:

<TABLE>
<CAPTION>
                                                               1999      1998
                                                              -------   -------
<S>                                                           <C>       <C>
APBO, beginning of year.....................................  $49,176   $51,702
Service cost................................................    3,044     3,475
Interest cost on APBO.......................................    3,381     3,804
Actuarial gains.............................................   (7,132)   (8,268)
Change due to acquisitions/divestitures.....................       64       (58)
Benefits paid...............................................   (1,666)   (1,479)
                                                              -------   -------
APBO, end of year...........................................   46,867    49,176
Unrecognized net gain.......................................   12,215     5,100
Unrecognized prior service cost.............................    1,788     1,992
                                                              -------   -------
Accrued postretirement benefit cost.........................  $60,870   $56,268
                                                              =======   =======
Weighted average discount rate used in determining APBO.....     7.75%     7.00%
                                                              =======   =======
</TABLE>

     The assumed health care cost trend for 2000 was 6.50%. The rate was assumed
to decrease gradually to 5.00% in 2006 and remain at that level thereafter.

                                       60
<PAGE>   62
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     Net periodic postretirement benefit cost for the years ended December 31,
1999, 1998, and 1997 includes the following components:

<TABLE>
<CAPTION>
                                                              1999     1998     1997
                                                             ------   ------   ------
<S>                                                          <C>      <C>      <C>
Service cost...............................................  $3,044   $3,475   $2,794
Interest on APBO...........................................   3,381    3,804    3,158
Net amortization and deferral..............................    (157)    (263)     (89)
                                                             ------   ------   ------
                                                             $6,268   $7,016   $5,863
                                                             ======   ======   ======
</TABLE>

     The assumed health care cost trend rate has a significant effect on the
amounts reported for the health care plans. A one percentage point change on
assumed health care cost trend rates would have the following effects:

<TABLE>
<CAPTION>
                                                                 ONE          ONE
                                                              PERCENTAGE   PERCENTAGE
                                                                POINT        POINT
                                                               INCREASE     DECREASE
                                                              ----------   ----------
<S>                                                           <C>          <C>
Effect on total of service and interest cost components.....    $1,391      $(1,032)
Effect on postretirement benefit obligation.................     6,957       (5,878)
</TABLE>

17. FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK

     Financial instruments with off-balance sheet risk at December 31 were:

<TABLE>
<CAPTION>
                                                                 1999         1998
                                                              ----------   ----------
<S>                                                           <C>          <C>
Financial instruments whose amounts represent credit risk:
  Commitments to extend credit:
     To commercial customers................................  $6,042,131   $5,684,137
     To individuals.........................................   1,529,355    1,368,879
  Standby letters of credit, net of participations..........     536,466      426,905
  Commercial letters of credit..............................      22,423       16,361
  Mortgage loans sold with recourse.........................       1,972        2,502
Financial instruments whose amounts exceed the amount of
  credit risk:
  Foreign exchange contracts:
     Commitments to purchase foreign exchange...............     382,528      506,191
     Commitments to deliver foreign exchange................     383,118      510,690
     Options written/purchased..............................       9,715        7,603
Interest risk management instruments:
  Interest rate swaps.......................................   1,007,000    1,017,000
  Interest rate floor.......................................     275,000       25,000
  Interest rate cap.........................................          --       25,000
</TABLE>

     Commitments to extend credit are agreements to lend to a customer as long
as there is no violation of any condition established in the contract.
Commitments generally have fixed expiration dates and may require payment of a
fee. The majority of the Corporation's commitments to extend credit generally
provide for the interest rate to be determined at the time the commitment is
utilized. Since many of the commitments are expected to expire without being
drawn upon, the total commitment amounts do not necessarily represent future
cash requirements.

     The Corporation evaluates each customer's credit worthiness on an
individual basis. Collateral obtained, if any, upon extension of credit, is
based upon management's credit evaluation of the customer. Collateral

                                       61
<PAGE>   63
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

requirements and the ability to access collateral is generally similar to that
required on loans outstanding as discussed in Note 7.

     Standby and commercial letters of credit are contingent commitments issued
by the Corporation to support the financial obligations of a customer to a third
party. Standby letters of credit are issued to support public and private
financing, and other financial or performance obligations of customers.
Commercial letters of credit are issued to support payment obligations of a
customer as buyer in a commercial contract for the purchase of goods. Letters of
credit have maturities which generally reflect the maturities of the underlying
obligations. The credit risk involved in issuing letters of credit is the same
as that involved in extending loans to customers. If deemed necessary, the
Corporation holds various forms of collateral to support letters of credit.

     Certain mortgage loans sold to government agencies have limited recourse
provisions.

     Foreign exchange contracts are commitments to purchase or deliver foreign
currency at a specified exchange rate. The Corporation enters into foreign
exchange contracts primarily in connection with trading activities to enable
customers involved in international trade to hedge their exposure to foreign
currency fluctuations and to minimize the Corporation's own exposure to foreign
currency fluctuations resulting from the above. Foreign exchange contracts
include such commitments as foreign currency spot, forward, future and, to a
much lesser extent, option contracts. The risks in these transactions arise from
the ability of the counterparties to perform under the terms of the contracts
and the risk of trading in a volatile commodity. The Corporation actively
monitors all transactions and positions against predetermined limits established
on traders and types of currency to ensure reasonable risk taking.

     The Corporation's market risk from unfavorable movements in currency
exchange rates is minimized by essentially matching commitments to deliver
foreign currencies with commitments to purchase foreign currencies.

     At December 31, 1999, the Corporation's foreign currency position resulting
from foreign exchange contracts by major currency was as follows ($000's US):

<TABLE>
<CAPTION>
                                                              COMMITMENTS   COMMITMENTS
                                                              TO DELIVER    TO PURCHASE
                                                                FOREIGN       FOREIGN
                                                               EXCHANGE      EXCHANGE
                                                              -----------   -----------
<S>                                                           <C>           <C>
CURRENCY
Euros.......................................................   $141,726      $142,610
English Pound Sterling......................................     95,068        94,965
Japanese Yen................................................     67,080        65,779
Canadian Dollars............................................     22,034        21,771
Deutsche Mark...............................................     20,824        21,421
Swiss Franc.................................................     17,731        17,570
Australian Dollar...........................................      9,476         9,413
Danish Kronor...............................................      3,053         2,987
Italian Lire................................................      3,010         2,981
All Other...................................................      3,116         3,031
                                                               --------      --------
          Total.............................................   $383,118      $382,528
                                                               ========      ========
Average amount of contracts to deliver/purchase foreign
  exchange..................................................   $670,287      $665,341
                                                               ========      ========
</TABLE>

     These amounts do not represent the actual credit or market exposure.

     Interest rate swaps are contractual agreements between counterparties to
exchange interest payment streams based on notional principal amounts over a set
period of time. Swap agreements normally involve the

                                       62
<PAGE>   64
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

exchange of fixed and floating rate payment obligations without the exchange of
the underlying principal amounts.

     The Corporation enters into interest rate swaps to manage the interest rate
volatility associated with variable rate loans, brokered callable CDs, brokered
callable step-up CDs, retail callable time deposits and equity indexed CDs at
the Corporation's affiliate banks. The Corporation also enters into interest
swaps in connection with trading activities to enable customers to manage their
interest rate risks. The Corporation's market risk from unfavorable movements in
interest rates associated with trading swaps is minimized by concurrently
entering into offsetting positions with nearly identical notional values, terms
and indexes. Interest rate swaps held for trading consisted of $47.5 million in
notional amount of received fixed and $47.5 million in notional amount of pay
fixed at December 31, 1999. By comparison interest rate swaps held for trading
consisted of $35.0 million in notional amount of received fixed and $35.0
million in notional amount of pay fixed at December 31, 1998. At December 31,
1999, the Corporation's interest rate swap portfolio held for other than trading
consisted of the following ($ in millions):

<TABLE>
<CAPTION>
                                                REMAINING MATURITY IN YEARS
                              ----------------------------------------------------------------
                                                                                OVER
OTHER                         0-1 YRS   1-2 YRS   2-3 YRS   3-4 YRS   4-5 YRS   5 YRS   TOTAL
- -----                         -------   -------   -------   -------   -------   -----   ------
<S>                           <C>       <C>       <C>       <C>       <C>       <C>     <C>
Notional value..............   $120      $170      $ 75      $204      $121     $317    $1,007
Weighted average receive
  rate......................   6.13%     6.43%     5.38%     5.65%     5.74%    6.36%     6.06%
Weighted average pay rate
  (variable)................   6.17%     6.16%     6.09%     6.15%     5.79%    5.97%     6.03%
</TABLE>

     The impact on net interest income from interest rate swaps in 1999 and 1998
was a positive $7.20 million and $5.21 million, respectively.

     Interest caps and floors are contracts with notional principal amounts that
require the seller, in exchange for a fee, to make payments to the purchaser if
a specified market rate rises/falls above/below the fixed ceiling or floor or
index rate on specified future dates.

     The Corporation purchases standard interest rate caps and floors to manage
the interest volatility associated with variable rate loans. At December 31,
1999, the Corporation's interest rate floor portfolio held for other than
trading consisted of the following ($ in millions):

<TABLE>
<CAPTION>
                                                                   WEIGHTED-AVERAGE
                                                             -----------------------------
                                                  NOTIONAL   STRIKE            REMAINING
TYPE                                               AMOUNT     RATE    INDEX   TERM (YEARS)
- ----                                              --------   ------   -----   ------------
<S>                                               <C>        <C>      <C>     <C>
Floors..........................................   $275.0    6.386%   6.674%      6.38
</TABLE>

     No payments were received in 1999 and the effect of amortization of the fee
premiums were not material. At December 31, 1999, unamortized premium associated
with floors amounted to $5,402.

     The market risk due to potential fluctuations in interest rates is inherent
in swap, cap and floor agreements. Credit risk arises from the potential failure
of counterparties to perform in accordance with the terms of the contracts. The
Corporation maintains risk management policies that define parameters of
acceptable market risk within the framework of its overall asset/liability
management strategies and monitor and limit exposure to credit risk. The
Corporation believes its credit and settlement procedures serve to minimize its
exposure to credit risk. Credit exposure resulting from swaps, caps and floors
is represented by their fair value amounts, increased by an estimate of
potential adverse position exposure arising from changes over time in interest
rates, maturities and other relevant factors. At December 31, 1999 the estimated
credit exposure arising from swaps, caps and floors was approximately $0.7
million.

                                       63
<PAGE>   65
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

18. FAIR VALUE OF FINANCIAL INSTRUMENTS

     The book values and estimated fair values for on and off-balance sheet
financial instruments as of December 31, 1999 and 1998 are reflected below:

              BALANCE SHEET FINANCIAL INSTRUMENTS ($ IN MILLIONS)

<TABLE>
<CAPTION>
                                                   1999                    1998
                                           ---------------------   ---------------------
                                             BOOK        FAIR        BOOK        FAIR
                                             VALUE       VALUE       VALUE       VALUE
                                           ---------   ---------   ---------   ---------
<S>                                        <C>         <C>         <C>         <C>
Financial Assets:
  Cash and short-term investments........  $   886.7   $   886.7   $   958.7   $   958.7
  Trading securities.....................       40.3        40.3        34.0        34.0
  Investment securities available for
     sale................................    4,357.2     4,357.2     4,049.4     4,049.4
  Investment securities held to
     maturity............................    1,170.7     1,137.1     1,056.2     1,095.0
  Net loans..............................   16,109.2    16,201.0    13,770.1    14,338.5
  Interest receivable....................      146.4       146.4       179.3       179.3
Financial Liabilities:
  Deposits...............................   16,435.2    16,496.0    15,919.9    16,061.5
  Short-term borrowings..................    4,247.4     4,247.4     1,834.6     1,834.6
  Long-term borrowings...................      957.9       961.8     1,037.2     1,100.4
  Interest payable.......................      113.4       113.4        97.2        97.2
</TABLE>

     Where readily available, quoted market prices were utilized by the
Corporation. If quoted market prices were not available, fair values were based
on estimates using present value or other valuation techniques. These techniques
were significantly affected by the assumptions used, including the discount rate
and estimates of future cash flows. The calculated fair value estimates,
therefore, cannot be substantiated by comparison to independent markets and, in
many cases, could not be realized upon immediate settlement of the instrument.
SFAS 107 excludes certain financial instruments and all nonfinancial assets and
liabilities from its disclosure requirements. Accordingly, the aggregate fair
value amounts presented do not represent the underlying value of the entire
Corporation.

     The following methods and assumptions were used in estimating the fair
value for financial instruments.

  Cash and Short-term Investments

     The carrying amounts reported for cash and short-term investments
approximates the fair values for those assets.

  Trading and Investment Securities

     Fair value is based on quoted market prices or dealer quotes. See Note 6,
Securities, for additional information.

  Loans

     Loans that reprice or mature within three months of December 31 were
assigned fair values based on their book value. Market values were used on
performing loans where available. Most remaining loan balances were assigned
fair values based on a discounted cash flow analysis. The discount rate was
based on the treasury yield curve, with rate adjustments for credit quality,
cost and profit factors.

                                       64
<PAGE>   66
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

  Deposits

     The fair value for demand deposits or any interest bearing deposits with no
fixed maturity date was considered to be equal to the carrying value. Time
deposits with defined maturity dates were considered to have a fair value equal
to the book value if the maturity date was within three months of December 31.
The remaining time deposits were assigned fair values based on a discounted cash
flow analysis using discount rates which approximate interest rates currently
being offered on time deposits with comparable maturities.

  Borrowings

     Short-term borrowings are carried at cost which approximates fair value.
Long-term debt was generally valued using a discounted cash flow analysis with a
discount rate based on current incremental borrowing rates for similar types of
arrangements or, if not readily available, based on a build up approach similar
to that used for loans and deposits. Long-term borrowings include their related
current maturities.

            OFF-BALANCE SHEET FINANCIAL INSTRUMENTS ($ IN MILLIONS)

     Fair values of loan commitments and letters of credit have been estimated
based on the equivalent fees, net of expenses, that would be charged for similar
contracts and customers at December 31.

<TABLE>
<CAPTION>
                                                              1999   1998
                                                              ----   ----
<S>                                                           <C>    <C>
Loan commitments............................................  $3.8   $1.3
Letters of credit...........................................   4.2    3.3
</TABLE>

     Foreign exchange contracts are carried at market value (U.S. dollar
equivalent of the underlying contract). The fair value of options
written/purchased are based on the market value as of the reporting date.

<TABLE>
<CAPTION>
                                                               1999     1998
                                                              ------   ------
<S>                                                           <C>      <C>
Commitments to purchase foreign exchange....................  $382.5   $506.2
Commitments to deliver foreign exchange.....................   383.1    510.7
Options written/purchased...................................     2.1      1.8
</TABLE>

     Interest rate swaps, caps and floors are assigned a value based on a
discounted cash flow analysis utilizing the forward yield curve.

<TABLE>
<CAPTION>
                                                               1999    1998
                                                              ------   -----
<S>                                                           <C>      <C>
Interest rate swaps.........................................  $(31.9)  $13.1
Interest rate floor.........................................     4.0     0.4
Interest rate cap...........................................      --     0.0
</TABLE>

     See Note 17 for additional information on off-balance sheet financial
instruments.

19. BUSINESS SEGMENTS

     Effective January 1, 1998, M&I adopted Statement of Financial Accounting
Standards No. 131, Disclosures about Segments of an Enterprise and Related
Information (SFAS 131). SFAS 131 superseded SFAS 14, Financial Reporting for
Segments of a Business Enterprise. SFAS 131 establishes standards for the way
that public business enterprises report information about operating segments in
annual financial statements and requires that those enterprises report selected
information about operating segments in interim financial reports. SFAS 131 also
establishes standards for related disclosures about products and services,
geographic areas and major customers. The adoption of SFAS 131 did not affect
results of operations or financial position, but did affect the disclosure of
segment information.

                                       65
<PAGE>   67
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     Generally, the Corporation organizes its segments based on legal entities
and segregates the Data Services Division of the Corporation. Each entity offers
a variety of products and services to meet the needs of its customers and the
particular market served. Each entity or division has its own president and is
separately managed subject to adherence to Corporate policies. Discrete
financial information is reviewed by senior management to assess performance on
a monthly basis. Certain segments are combined and consolidated for purposes of
assessing financial performance.

     The Corporation evaluates the profit or loss performance of its segments
based on operating income. Operating income is after-tax income excluding
nonrecurring charges and charges for services from the holding company,
excluding its Data Services Division. Operating income for the banking entities
and certain other entities also excludes certain assets, liabilities, equity,
revenues and expenses associated with adjustments, charges or credits arising
from acquisitions accounted for as purchases (hereinafter called acquisition
costs). The accounting policies of the Corporation's segments are the same as
those described in Note 1. Intersegment revenues may be based on cost, current
market prices or negotiated prices between the providers and receivers of
services.

     Based on the way the Corporation organizes its segments and the
requirements of SFAS 131 the Corporation has determined that it has two
reportable segments. Information with respect to M&I's segments is as follows:

BANKING

     Banking represents the aggregation of twenty-six separately chartered banks
located in Wisconsin, one bank in Arizona, one federally chartered thrift
headquartered in Nevada with branches in Illinois and Florida and an operational
support subsidiary. Banking consists of accepting deposits, making loans and
providing other services such as cash management, foreign exchange and
correspondent banking to a variety of commercial and retail customers. Products
and services are provided through a variety of delivery channels including
traditional branches, supermarket branches, telephone centers, ATMs and the
Internet. In addition, the Corporation's larger affiliate banks provide numerous
services such as cash management, regional credit, and centralized accounting to
M&I's community banking affiliates. Intrasegment revenues, expenses and assets
have been eliminated in the following information. ($ in millions)

<TABLE>
<CAPTION>
                                                        1999        1998        1997
                                                      ---------   ---------   ---------
<S>                                                   <C>         <C>         <C>
Revenue:
  Net interest income...............................  $   701.6   $   664.8   $   579.6
  Other revenues:
     Unaffiliated customers.........................      181.9       167.4       133.3
     Affiliated customers...........................       15.1        13.5         8.4
                                                      ---------   ---------   ---------
          Total revenues............................      898.6       845.7       721.3
Expenses:
  Intersegment charges..............................       91.9        91.1        77.5
  Other operating expense...........................      314.3       297.6       278.8
                                                      ---------   ---------   ---------
          Total expenses............................      406.2       388.7       356.3
Provision for loan and lease losses.................       25.0        26.1        16.7
Income tax expense..................................      148.6       145.9       117.5
                                                      ---------   ---------   ---------
Operating income....................................  $   318.8   $   285.0   $   230.8
                                                      =========   =========   =========
Identifiable assets.................................  $22,847.1   $20,215.8   $19,270.1
                                                      =========   =========   =========
Net purchases of premises and equipment.............  $    25.2   $    28.3   $    29.9
                                                      =========   =========   =========
Return on tangible equity...........................       19.9%       18.2%       18.9%
                                                      =========   =========   =========
</TABLE>

                                       66
<PAGE>   68
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

     The following tables present revenue and operating income by line of
business for Banking. This information is based on the Corporation's product
profitability measurement system and is an aggregation of the revenues and
expenses associated with the products and services within each line of business.
Net interest income is derived from the Corporation's internal funds transfer
pricing system, expenses are allocated based on available transaction volumes
and the provision for loan and lease losses is allocated based on credit risk.
Equity is assigned to products and services on a basis that considers market,
operational and reputation risk. ($ in millions)

<TABLE>
<CAPTION>
                                               COMMERCIAL   RETAIL    INVESTMENTS    TOTAL
                                                BANKING     BANKING    AND OTHER    BANKING
                                               ----------   -------   -----------   -------
<S>                                            <C>          <C>       <C>           <C>
1999
Revenue:
  Net interest income........................    $337.0     $323.2      $ 41.4      $701.6
  Other revenue..............................      54.6       60.0        82.4       197.0
                                                 ------     ------      ------      ------
          Total revenues.....................    $391.6     $383.2      $123.8      $898.6
                                                 ======     ======      ======      ======
Percent of total.............................      43.6%      42.6%       13.8%      100.0%
                                                 ======     ======      ======      ======
Operating income.............................    $157.4     $ 94.1      $ 67.3      $318.8
                                                 ======     ======      ======      ======
  Percent of total...........................      49.4%      29.5%       21.1%      100.0%
                                                 ======     ======      ======      ======
  Return on tangible equity..................      23.3%      20.3%                   19.9%
                                                 ======     ======                  ======
1998
Revenue:
  Net interest income........................    $303.7     $289.4      $ 71.7      $664.8
  Other revenue..............................      49.0       70.3        61.6       180.9
                                                 ------     ------      ------      ------
          Total revenues.....................    $352.7     $359.7      $133.3      $845.7
                                                 ======     ======      ======      ======
Percent of total.............................      41.7%      42.5%       15.8%      100.0%
                                                 ======     ======      ======      ======
Operating income.............................    $148.5     $ 91.2      $ 45.3      $285.0
                                                 ======     ======      ======      ======
Percent of total.............................      52.1%      32.0%       15.9%      100.0%
                                                 ======     ======      ======      ======
Return on tangible equity....................      23.1%      20.1%                   18.2%
                                                 ======     ======                  ======
1997
Revenue:
  Net interest income........................    $266.9     $254.5      $ 58.2      $579.6
  Other revenue..............................      45.1       55.5        41.1       141.7
                                                 ------     ------      ------      ------
          Total revenues.....................    $312.0     $310.0      $ 99.3      $721.3
                                                 ======     ======      ======      ======
Percent of total.............................      43.3%      43.0%       13.7%      100.0%
                                                 ======     ======      ======      ======
Operating income.............................    $132.7     $ 75.0      $ 23.1      $230.8
                                                 ======     ======      ======      ======
Percent of total.............................      57.5%      32.5%       10.0%      100.0%
                                                 ======     ======      ======      ======
Return on tangible equity....................      24.5%      20.4%                   18.9%
                                                 ======     ======                  ======
</TABLE>

                                       67
<PAGE>   69
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

DATA SERVICES

     Data Services includes the Data Services Division of the Corporation as
well as two nonbank subsidiaries. Data Services provides data processing
services, develops and sells software and provides consulting services to M&I
affiliates as well as banks, thrifts, credit unions, trust companies and other
financial services companies throughout the world although its activities are
primarily domestic. In addition, Data Services derives revenue from the
Corporation's credit card merchant operations. The majority of Data Services
revenue is derived from internal and external processing. Intrasegment revenues,
expenses and assets have been eliminated in the following information. ($ in
millions)

<TABLE>
<CAPTION>
                                                              1999     1998     1997
                                                             ------   ------   ------
<S>                                                          <C>      <C>      <C>
Revenue:
  Net interest expense.....................................  $ (4.2)  $ (2.5)  $ (2.8)
  Other revenues:
     Unaffiliated customers................................   500.1    424.8    354.3
     Affiliated customers..................................    87.4     85.1     77.7
                                                             ------   ------   ------
          Total revenues...................................   583.3    507.4    429.2
Expenses:
  Intersegment charges.....................................     2.9      2.3      2.0
  Other operating expense..................................   499.4    437.2    366.6
                                                             ------   ------   ------
          Total expenses...................................   502.3    439.5    368.6
Income tax expense.........................................    35.4     28.2     24.9
                                                             ------   ------   ------
Operating income...........................................  $ 45.6   $ 39.7   $ 35.7
                                                             ======   ======   ======
Identifiable assets........................................  $493.0   $361.0   $327.3
                                                             ======   ======   ======
Net purchases of premises and equipment....................  $ 38.5   $ 29.2   $ 33.4
                                                             ======   ======   ======
Return on equity...........................................    19.5%    20.5%    21.8%
                                                             ======   ======   ======
</TABLE>

                                       68
<PAGE>   70
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

ALL OTHERS

     M&I's primary other operating segments includes Trust Services, Mortgage
Banking (residential and commercial), Capital Markets Group, Brokerage and
Insurance Services and Commercial Leasing. Trust Services provide investment
management and advisory services as well as personal, commercial and corporate
trust services in Wisconsin, Florida and Arizona. Capital Markets Group provide
venture capital and advisory services. Intrasegment revenues, expenses and
assets for the entities that comprise Trust Services and Capital Markets Group
have been eliminated in the following information. ($ in millions)

<TABLE>
<CAPTION>
                                                              1999     1998     1997
                                                             ------   ------   ------
<S>                                                          <C>      <C>      <C>
Revenue:
  Net interest income......................................  $ 22.9   $ 34.6   $ 28.1
  Other revenues:
     Unaffiliated customers................................   152.5    157.8    116.1
     Affiliated customers..................................    15.7     23.0     13.6
                                                             ------   ------   ------
          Total revenues...................................   191.1    215.4    157.8
Expenses:
  Intersegment charges.....................................    23.8     28.3     20.5
  Other operating expense..................................   101.0    104.9     81.8
                                                             ------   ------   ------
          Total expenses...................................   124.8    133.2    102.3
Provision for loan and lease losses........................     0.4      1.0      0.9
Income tax expense.........................................    25.9     31.9     21.0
                                                             ------   ------   ------
Operating income...........................................  $ 40.0   $ 49.3   $ 33.6
                                                             ======   ======   ======
Identifiable assets........................................  $641.9   $647.9   $592.2
                                                             ======   ======   ======
Net purchases of premises and equipment....................  $  2.1   $  1.3   $  4.2
                                                             ======   ======   ======
Return on tangible equity..................................    19.2%    26.2%    20.1%
                                                             ======   ======   ======
</TABLE>

     Total Revenues by type in All Others consist of the following:

<TABLE>
<CAPTION>
                                                              1999     1998     1997
                                                             ------   ------   ------
<S>                                                          <C>      <C>      <C>
Trust Services.............................................  $103.7   $ 90.4   $ 78.9
Residential Mortgage Banking...............................    35.6     48.6     28.3
Capital Markets............................................    14.7     33.4     14.9
Brokerage and Insurance....................................    20.2     18.1     15.0
Commercial Leasing.........................................    10.9     13.7     12.5
Commercial Mortgage Banking................................     1.6      7.3      4.7
Others.....................................................     4.4      3.9      3.5
                                                             ------   ------   ------
          Total............................................  $191.1   $215.4   $157.8
                                                             ======   ======   ======
</TABLE>

                                       69
<PAGE>   71
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

<TABLE>
<CAPTION>
Segment information reconciled to the Consolidated Financial Statements is as follows ($ in millions):
                                                              1999            1998            1997
                                                          -------------   -------------   -------------
<S>                                                       <C>             <C>             <C>
Revenues:
  Banking.............................................      $   898.6       $   845.7       $   721.3
  Data Services.......................................          583.3           507.4           429.2
  All Others..........................................          191.1           215.4           157.8
  Corporate overhead..................................           (4.4)           (4.9)           (8.0)
  Acquisition costs...................................            0.7           (10.2)            1.2
  Intersegment eliminations...........................         (118.3)         (121.0)          (98.5)
                                                            ---------       ---------       ---------
Consolidated revenues.................................      $ 1,551.0       $ 1,432.4       $ 1,203.0
                                                            =========       =========       =========
Expenses:
  Banking.............................................      $   406.2       $   388.7       $   356.3
  Data Services.......................................          502.3           439.5           368.6
  All Others..........................................          124.8           133.2           102.3
  Corporate overhead..................................           60.0            49.5            57.6
  Acquisition costs...................................           22.7            26.7            10.9
  Merger/restructuring................................             --            23.4              --
  Intersegment eliminations...........................         (118.3)         (121.0)          (98.5)
                                                            ---------       ---------       ---------
Consolidated expenses.................................      $   997.7       $   940.0       $   797.2
                                                            =========       =========       =========
Provision for loan and lease losses:
  Banking.............................................      $    25.0       $    26.1       $    16.7
  All Others..........................................            0.4             1.0             0.9
                                                            ---------       ---------       ---------
Consolidated provision for loan and lease losses......      $    25.4       $    27.1       $    17.6
                                                            =========       =========       =========
Income tax expense (benefit):
  Banking.............................................      $   148.6       $   145.9       $   117.5
  Data Services.......................................           35.4            28.2            24.9
  All Others..........................................           25.9            31.9            21.0
  Corporate overhead..................................          (32.3)          (24.9)          (29.7)
  Acquisition costs...................................           (4.2)          (10.0)           (2.2)
  Merger/restructuring................................             --            (7.1)             --
                                                            ---------       ---------       ---------
Consolidated income tax expense.......................      $   173.4       $   164.0       $   131.5
                                                            =========       =========       =========
Net income (loss):
  Operating income:
     Banking..........................................      $   318.8       $   285.0       $   230.8
     Data Services....................................           45.6            39.7            35.7
     All Others.......................................           40.0            49.3            33.6
  Corporate overhead..................................          (32.1)          (29.5)          (35.9)
  Acquisition costs...................................          (17.8)          (26.9)           (7.5)
  Merger/restructuring................................             --           (16.3)             --
                                                            ---------       ---------       ---------
Consolidated net income...............................      $   354.5       $   301.3       $   256.7
                                                            =========       =========       =========
</TABLE>

                                       70
<PAGE>   72
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

<TABLE>
<CAPTION>
Segment information reconciled to the Consolidated Financial Statements (continued) ($ in millions)
                                                             1999           1998           1997
                                                         ------------   ------------   ------------
<S>                                                      <C>            <C>            <C>
Assets:
  Banking............................................     $22,847.1      $20,215.8      $19,270.1
  Data Services......................................         493.0          361.0          327.3
  All Others.........................................         641.9          647.9          592.2
  Corporate overhead.................................         199.0          196.6          160.5
  Acquisition costs..................................         268.9          290.7          303.8
  Intersegment eliminations..........................         (80.2)        (145.7)        (151.7)
                                                          ---------      ---------      ---------
Consolidated assets..................................     $24,369.7      $21,566.3      $20,502.2
                                                          =========      =========      =========
Depreciation and amortization:
  Banking............................................     $     0.7      $    19.1      $    12.2
  Data Services......................................          78.4           67.6           62.2
  All Others.........................................         (18.3)         (15.6)         (23.8)
  Corporate overhead.................................           3.7            3.2            3.7
  Acquisition costs..................................          21.7           37.1            9.6
                                                          ---------      ---------      ---------
Consolidated depreciation and amortization...........     $    86.2      $   111.4      $    63.9
                                                          =========      =========      =========
Purchases of premises and equipment, net:
  Banking............................................     $    25.2      $    28.3      $    29.9
  Data Services......................................          38.5           29.2           33.4
  All Others.........................................           2.1            1.3            4.2
  Corporate overhead.................................           1.1            2.0            1.3
                                                          ---------      ---------      ---------
Consolidated purchases of premises and equipment,
  net................................................     $    66.9      $    60.8      $    68.8
                                                          =========      =========      =========
</TABLE>

                                       71
<PAGE>   73
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

20. CONDENSED FINANCIAL INFORMATION -- PARENT CORPORATION ONLY

                            CONDENSED BALANCE SHEETS
                                  DECEMBER 31

                                     Assets

<TABLE>
<CAPTION>
                                                                 1999         1998
                                                              ----------   ----------
<S>                                                           <C>          <C>
Cash and cash equivalents...................................  $   33,850   $   77,040
Data processing services receivables........................     132,572      103,771
Commercial loans purchased from affiliates..................      75,000           --
Indebtedness of nonbank affiliates..........................     315,965      328,892
Investments in affiliates:
  Banks.....................................................   1,848,189    1,825,131
  Nonbanks..................................................     263,544      258,771
Premises and equipment, net.................................     137,246      125,955
Other assets................................................     281,899      206,467
                                                              ----------   ----------
          Total assets......................................  $3,088,265   $2,926,027
                                                              ==========   ==========
                        Liabilities and Shareholders' Equity
Commercial paper issued.....................................  $  246,514   $   60,162
Other liabilities...........................................     259,031      202,130
Long-term borrowings:
  7.65% Junior Subordinated Deferrable Interest Debentures
     due to M&I Capital Trust A.............................     205,314      205,282
  Other.....................................................     260,480      214,674
                                                              ----------   ----------
          Total Long-term borrowings........................     465,794      419,956
                                                              ----------   ----------
          Total liabilities.................................     971,339      682,248
Shareholders' equity........................................   2,116,926    2,243,779
                                                              ----------   ----------
          Total liabilities and shareholders' equity........  $3,088,265   $2,926,027
                                                              ==========   ==========
</TABLE>

     Scheduled maturities of long-term borrowings are $25,486 in 2000, $71,153
in 2001, $50,047 in 2002, $113,073 in 2003, and $1,000 in 2004. See Note 12 for
a description of the junior subordinated debt due to M&I Capital Trust A.

                                       72
<PAGE>   74
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

                         CONDENSED STATEMENTS OF INCOME
                            YEARS ENDED DECEMBER 31

<TABLE>
<CAPTION>
                                                                1999       1998       1997
                                                              --------   --------   --------
<S>                                                           <C>        <C>        <C>
INCOME
Cash dividends:
  Bank affiliates...........................................  $172,920   $186,149   $255,670
  Nonbank affiliates........................................    49,729     67,114     37,034
Interest from affiliates....................................    22,530     19,019     16,809
Data processing income......................................   568,269    482,567    413,802
Service fees and other......................................    70,197     64,406     52,995
                                                              --------   --------   --------
          Total income......................................   883,645    819,255    776,310
EXPENSE
Interest....................................................    41,143     32,979     33,416
Salaries and employee benefits..............................   322,399    274,929    241,983
Administrative and general..................................   215,039    217,469    175,361
                                                              --------   --------   --------
          Total expense.....................................   578,581    525,377    450,760
Income before income taxes and equity in undistributed net
  income of affiliates......................................   305,064    293,878    325,550
Provisions for income taxes.................................    27,904     16,296     10,349
                                                              --------   --------   --------
Income before equity in undistributed net income of
  affiliates................................................   277,160    277,582    315,201
Equity in undistributed net income of affiliates, net of
  dividends paid:
  Banks.....................................................   103,114     44,611    (54,404)
  Nonbanks..................................................   (25,763)   (20,870)    (4,112)
                                                              --------   --------   --------
          Net income........................................  $354,511   $301,323   $256,685
                                                              ========   ========   ========
</TABLE>

                                       73
<PAGE>   75
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
          DECEMBER 31, 1999, 1998, AND 1997 ($000'S EXCEPT SHARE DATA)

                       CONDENSED STATEMENTS OF CASH FLOWS
                            YEARS ENDED DECEMBER 31

<TABLE>
<CAPTION>
                                                            1999          1998         1997
                                                         -----------   -----------   ---------
<S>                                                      <C>           <C>           <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Net income.............................................  $   354,511   $   301,323   $ 256,685
Noncash items included in income:
  Equity in undistributed net income of affiliates.....      (77,351)      (23,741)     58,516
  Depreciation and amortization........................       72,343        68,957      64,082
  Merger/Restructuring.................................           --        11,615          --
  Other................................................      (32,605)      (57,085)     (2,930)
                                                         -----------   -----------   ---------
Net cash provided by operating activities..............      316,898       301,069     376,353
CASH FLOWS FROM INVESTING ACTIVITIES
  Increases in indebtedness of affiliates..............   (1,356,937)   (1,462,564)   (822,662)
  Decreases in indebtedness of affiliates..............    1,294,864     1,409,058     730,476
  Increases in investments in affiliates...............         (399)       (5,434)        (24)
  Net capital expenditures.............................      (36,739)      (30,874)    (22,210)
  Acquisitions accounted for as purchases, net of cash
     equivalents acquired and investments in joint
     ventures..........................................      (84,408)       (5,170)   (259,462)
  Purchase of Bank-Owned Life Insurance................           --       (32,625)         --
  Other................................................        1,135        14,416      17,910
                                                         -----------   -----------   ---------
Net cash used in investing activities..................     (182,484)     (113,193)   (355,972)
CASH FLOWS FROM FINANCING ACTIVITIES
  Dividends paid.......................................     (104,490)      (97,241)    (79,272)
  Proceeds from issuance of commercial paper...........    1,926,791       779,653     455,726
  Principal payments on commercial paper...............   (1,740,439)     (829,077)   (360,374)
  Proceeds from issuance of long-term debt.............       75,200            --     101,131
  Payments on long-term debt...........................      (35,857)      (13,913)   (114,414)
  Purchase of common stock.............................     (317,149)      (29,633)    (64,430)
  Proceeds from exercise of stock options..............       18,359        15,086      23,538
  Other................................................          (19)          (25)        960
                                                         -----------   -----------   ---------
Net cash used in financing activities..................     (177,604)     (175,150)    (37,135)
                                                         -----------   -----------   ---------
Net increase (decrease) in cash and cash equivalents...      (43,190)       12,726     (16,754)
Cash and cash equivalents, beginning of year...........       77,040        64,314      81,068
                                                         -----------   -----------   ---------
Cash and cash equivalents, end of year.................  $    33,850   $    77,040   $  64,314
                                                         ===========   ===========   =========
</TABLE>

                                       74
<PAGE>   76

                  QUARTERLY FINANCIAL INFORMATION (UNAUDITED)

     Following is unaudited financial information for each of the calendar
quarters during the years ended December 31, 1999 and 1998.

<TABLE>
<CAPTION>
                                                                  QUARTER ENDED
                                                 ------------------------------------------------
                                                 DECEMBER 31   SEPTEMBER 30   JUNE 30    MARCH 31
                                                 -----------   ------------   --------   --------
<S>                                              <C>           <C>            <C>        <C>
1999
Total Interest Income..........................   $398,819       $380,477     $364,702   $352,586
Net Interest Income............................    176,919        177,803      177,742    172,817
Provision for Loan and Lease Losses............     10,938          4,797        4,811      4,873
Income before Income Taxes.....................    130,038        135,379      133,513    129,009
Net Income.....................................     90,626         90,836       87,518     85,531
Net Income Per Share:*
  Basic........................................   $   0.84       $   0.86     $   0.82   $   0.79
  Diluted......................................       0.81           0.81         0.77       0.75
1998
Total Interest Income..........................   $358,701       $362,509     $358,747   $354,087
Net Interest Income............................    173,989        169,467      168,013    164,601
Provision for Loan and Lease Losses............     12,588          4,769        4,868      4,865
Income before Income Taxes.....................    128,153        122,613       96,645    117,874
Net Income.....................................     83,470         80,155       62,192     75,506
Net Income Per Share:*
  Basic........................................   $   0.77       $   0.74     $   0.57   $   0.70
  Diluted......................................       0.72           0.70         0.54       0.66
</TABLE>

<TABLE>
<CAPTION>
                                                      1999    1998     1997     1996     1995
                                                      -----   -----   ------   ------   ------
<S>                                                   <C>     <C>     <C>      <C>      <C>
COMMON DIVIDENDS DECLARED
First Quarter.......................................  $0.22   $0.20   $0.185   $0.165   $0.150
Second Quarter......................................   0.24    0.22    0.200    0.185    0.165
Third Quarter.......................................   0.24    0.22    0.200    0.185    0.165
Fourth Quarter......................................   0.24    0.22    0.200    0.185    0.165
                                                      -----   -----   ------   ------   ------
                                                      $0.94   $0.86   $0.785   $0.720   $0.645
                                                      =====   =====   ======   ======   ======
</TABLE>

- ---------------

* May not add due to rounding

                              PRICE RANGE OF STOCK
                              (LOW AND HIGH CLOSE)

<TABLE>
<CAPTION>
                                           1999        1998        1997        1996        1995
                                          ------      ------      ------      ------      ------
<S>                                       <C>         <C>         <C>         <C>         <C>
First Quarter
  Low...................................   $55 3/8     $53 1/4     $32 3/4     $24 5/8     $18 1/8
  High..................................    59 1/4      59 1/2      40 1/4      26 1/4      21 3/4
Second Quarter
  Low...................................    54 3/4      50 7/16     35 1/16     24 7/8      19 7/8
  High..................................    71 15/16    61 5/8      42 1/2      28 1/8      22 3/4
Third Quarter
  Low...................................    55 7/8      44          40 7/8      25 1/2      22 1/8
  High..................................    69 3/4      59          52 5/8      30 1/8      26 1/4
Fourth Quarter
  Low...................................    57 13/16    40 1/2      50 1/16     30          24
  High..................................    69 5/16     58 7/16     62 1/8      35 3/8      26 3/8
</TABLE>

                                       75
<PAGE>   77

                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To the Shareholders and the Board of Directors of Marshall & Ilsley Corporation:

     We have audited the accompanying consolidated balance sheets of Marshall &
Ilsley Corporation (a Wisconsin corporation) and subsidiaries as of December 31,
1999 and 1998, and the related consolidated statements of income, shareholders'
equity and cash flows for the years ended December 31, 1999, 1998 and 1997.
These consolidated financial statements are the responsibility of the
Corporation's management. Our responsibility is to express an opinion on these
consolidated financial statements based on our audits.

     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the consolidated financial statements are
free of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the consolidated financial
statements. An audit also includes assessing the accounting principles used and
significant estimates made by management, as well as evaluating the overall
financial statement presentation. We believe that our audits provide a
reasonable basis for our opinion.

     In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the financial position of Marshall &
Ilsley Corporation and subsidiaries as of December 31, 1999 and 1998, and the
results of their operations and their cash flows for the years ended December
31, 1999, 1998 and 1997, in conformity with generally accepted accounting
principles.

                                                 /s/ ARTHUR ANDERSEN LLP

Milwaukee, Wisconsin,
January 12, 2000

                                       76
<PAGE>   78

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
        FINANCIAL DISCLOSURE

     Not applicable.

                                    PART III

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

     Incorporated herein by reference to M&I's definitive proxy statement for
the Annual Meeting of Shareholders to be held on April 25, 2000, except for
information as to executive officers which is set forth in Part I of this
report.

ITEM 11. EXECUTIVE COMPENSATION

     Incorporated herein by reference to M&I's definitive proxy statement for
the Annual Meeting of Shareholders to be held on April 25, 2000.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

     Incorporated herein by reference to M&I's definitive proxy statement for
the Annual Meeting of Shareholders to be held on April 25, 2000.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

     Incorporated herein by reference to M&I's definitive proxy statement for
the Annual Meeting of Shareholders to be held on April 25, 2000.

                                    PART IV

ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K

     (a) 1. Financial Statements

            Consolidated Financial Statements:
              Balance Sheets -- December 31, 1999 and 1998
              Statements of Income -- years ended December 31, 1999, 1998, and
            1997
              Statements of Cash Flows -- years ended December 31, 1999, 1998,
            and 1997
              Statements of Shareholders' Equity -- years ended December 31,
            1999, 1998 and 1997
              Notes to Consolidated Financial Statements
              Report of Independent Public Accountants

          2. Financial Statement Schedules

             All schedules are omitted because they are not required, not
             applicable or the required information is contained elsewhere.

          3. Exhibits

             See Index to Exhibits of this Form 10-K which is incorporated
             herein by reference.

     (b) Reports on Form 8-K

          Not applicable.

                                       77
<PAGE>   79

                                   SIGNATURES

     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

                                            MARSHALL & ILSLEY CORPORATION

                                            By: /s/ J.B. WIGDALE
                                              ----------------------------------
                                              J.B. Wigdale
                                              Chairman of the Board

                                            Date: March 9, 2000

     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
registrant and in the capacities and on the dates indicated:

<TABLE>
<S>                                                         <C>
/s/ J.B. WIGDALE
- -----------------------------------------------------
J.B. Wigdale
Chairman of the Board and a Director
(Chief Executive Officer)                                   Date: March 9, 2000

/s/ G.H. GUNNLAUGSSON
- -----------------------------------------------------
G.H. Gunnlaugsson
Executive Vice President and a Director
(Chief Financial Officer)                                   Date: March 9, 2000

/s/ P.R. JUSTILIANO
- -----------------------------------------------------
P.R. Justiliano
Senior Vice President and Corporate Controller
(Principal Accounting Officer)                              Date: March 9, 2000
</TABLE>

Directors: Richard A. Abdoo, Oscar C. Boldt, Wendell F. Bueche, Jon F. Chait,
           G.H. Gunnlaugsson, Timothy E. Hoeksema, Burleigh E. Jacobs, Jack F.
           Kellner, James F. Kress, D.J. Kuester, Katharine C. Lyall, Edward L.
           Meyer, Jr., Don R. O'Hare, San W. Orr, Jr., Peter M. Platten, III,
           Robert A. Schaefer, John S. Shiely, Stuart W. Tisdale, George E.
           Wardeberg, J.B. Wigdale, James O. Wright and Gus A. Zuehlke.

<TABLE>
<S>                                                         <C>
By /s/ M.A. HATFIELD                                        Date: March 9, 2000
- ----------------------------------------------------
   M.A. Hatfield
   As Attorney-In-Fact*
</TABLE>

- ---------------

* Pursuant to authority granted by powers of attorney, copies of which are filed
  herewith.

                                       78
<PAGE>   80




                          MARSHALL & ILSLEY CORPORATION

                                INDEX TO EXHIBITS
                                  (ITEM 14(A)3)

                                      ITEM

(3)  (a)  Restated Articles of Incorporation, incorporated by reference to M&I's
          Quarterly Report on Form 10-Q for the quarter ended June 30, 1994, SEC
          File No. 0-1220


     (b)  By-laws, as amended, incorporated by reference to M&I's Annual Report
          on Form 10-K for the year ended December 31, 1995, SEC File No. 0-1220

(4)  (a)  Indenture between M&I and Chemical Bank (as successor to Manufacturers
          Hanover Trust Company) dated as of November 15, 1985 ("Senior
          Indenture"), incorporated by reference to M&I's Registration Statement
          on Form S-3 (Registration No. 33-21377), as supplemented by the First
          Supplemental Indenture to the Senior Indenture dated as of May 31,
          1990, incorporated by reference to M&I's Current Report on Form 8-K
          dated May 31, 1990, and as supplemented by the Second Supplemental
          Indenture to the Senior Indenture dated as of July 15, 1993,
          incorporated by reference to M&I's Quarterly Report on Form 10-Q for
          the quarter ended June 30, 1993, SEC File No. 0-1220


     (b)  Form of Medium Term Notes, Series C, and Series D issued pursuant to
          the Senior Indenture, included in Exhibit 4(a)

     (c)  Indenture between M&I and Chemical Bank dated as of July 15, 1993
          ("Subordinated Indenture"), incorporated by reference to M&I's
          Quarterly Report on Form 10-Q for the quarter ended June 30, 1993, SEC
          File No. 0-1220

     (d)  Form of Subordinated Note issued pursuant to the Subordinated
          Indenture, included in Exhibit 4(d)

     (e)  Designation of Rights and Preferences of holders of Series A Preferred
          Stock, incorporated by reference to M&I's Current Report on Form 8-K
          dated May 20, 1985, SEC File No. 0-1220

     (f)  Amended and Restated Declaration of Trust dated as of December 9, 1996
          among Marshall & Ilsley Corporation, as Sponsor, The Chase Manhattan
          Bank, as Institutional Trustee, Chase Manhattan Bank Delaware, as
          Delaware Trustee, the Regular Trustees identified thereon, and the
          holders from time to time of undivided interests in the assets of the
          Trust, incorporated by reference to M&I's Registration Statement on
          Form S-4 dated January 15, 1997, SEC Reg. No. 333-19809

     (g)  Indenture, dated as of December 9, 1996, between Marshall & Ilsley
          Corporation and The Chase Manhattan Bank, as Indenture Trustee,
          incorporated by reference to M&I's Registration Statement on Form S-4
          dated January 15, 1997, SEC Reg. No. 333-19809

     (h)  First Supplemental Indenture, dated as of December 9, 1996, between
          Marshall & Ilsley Corporation and The Chase Manhattan Bank, as
          Indenture Trustee, incorporated by reference to M&I's Registration
          Statement on Form S-4 dated January 15, 1997, SEC Reg. No. 333-19809

     (i)  Form of Capital Security Certificate for M&I Capital Trust A, included
          as Exhibit A-2 to Exhibit 4(h)



<PAGE>   81


     (j)  Capital Securities Guarantee Agreement, dated as of December 9, 1996,
          between Marshall & Ilsley Corporation and The Chase Manhattan Bank, as
          Guarantee Trustee, incorporated by reference to M&I's Registration
          Statement on Form S-4 dated January 15, 1997, SEC Reg. No. 333-19809

     (k)  Registration Rights Agreement dated December 2, 1996, by and among
          Marshall & Ilsley Corporation, M&I Capital Trust A and Salomon
          Brothers Inc, as Representative of the Initial Purchasers,
          incorporated by reference to M&I's Registration Statement on Form S-4
          dated January 15, 1997, SEC Reg. No. 333-19809

     (l)  Form of Subordinated Debt Security, included as part of Exhibit 4(j)

(10) (a)  1983 Executive Stock Option and Restricted Stock Plan, as amended,
          incorporated by reference to M&I's Annual Report on Form 10-K for the
          fiscal year ended December 31, 1987, SEC File No. 0-1220*

     (b)  1985 Executive Stock Option and Restricted Stock Plan, as amended,
          incorporated by reference to M&I's Annual Report on Form 10-K for the
          fiscal year ended December 31, 1987, SEC File No. 0-1220*

     (c)  M&I Marshall & Ilsley Bank Supplementary Retirement Benefits Plan,
          incorporated by reference to M&I's Annual Report on Form 10-K for the
          fiscal year ended December 31, 1983, SEC File No. 0-1220*

     (d)  Deferred Compensation Trust between Marshall & Ilsley Corporation and
          Bessemer Trust Company dated April 28, 1987, as amended, incorporated
          by reference to M&I's Annual Report on Form 10-K for the fiscal year
          ended December 31, 1988, SEC File No. 0-1220*

     (e)  Form of employment agreements, dated November 5, 1990, between M&I and
          Messrs. Gunnlaugsson, Kuester, Strelow and Wigdale incorporated by
          reference to M&I's Annual Report on Form 10-K for the fiscal year
          ended December 31, 1990, SEC File No. 0-1220*

     (f)  Employment agreement, dated November 5, 1990, between M&I and Mr.
          Michael A. Hatfield incorporated by reference to M&I's Annual Report
          on Form 10-K for the fiscal year ended December 31, 1990, SEC File No.
          0-1220*

     (g)  1989 Executive Stock Option and Restricted Stock Plan, incorporated by
          reference to M&I's Annual Report on Form 10-K for the fiscal year
          ended December 31, 1988, as amended by M&I's Annual Report on Form
          10-K for the fiscal year ended December 31, 1990, SEC File No. 0-1220*

     (h)  Marshall & Ilsley Corporation Nonqualified Retirement Benefit Plan,
          incorporated by reference to M&I's Annual Report on Form 10-K for the
          fiscal year ended December 31, 1991, SEC File No. 0-1220*

     (i)  Marshall & Ilsley Corporation Supplemental Retirement Benefits Plan,
          incorporated by reference to M&I's Annual Report on Form 10-K for the
          fiscal year ended December 31, 1991, SEC File No. 0-1220*

     (j)  Marshall & Ilsley Trust Company Supplemental Retirement Benefits Plan,
          incorporated by reference to M&I's Annual Report on Form 10-K for the
          fiscal year ended December 31, 1991, SEC File No. 0-1220*

     (k)  Marshall & Ilsley Corporation 1993 Executive Stock Option Plan, as
          amended, incorporated by reference to M&I's Annual Report on Form 10-K
          for the fiscal year ended December 31, 1995, SEC File No. 0-1220.*


                                       2

<PAGE>   82


     (l)  Marshall & Ilsley Corporation 1995 Directors Stock Option Plan,
          incorporated by reference to M&I's Proxy Statement for the 1995 Annual
          Meeting of Shareholders, SEC File No. 0-1220*

     (m)  Marshall & Ilsley Corporation Assumption Agreement dated May 31, 1994
          assuming rights, obligations and interests of Valley Bancorporation
          under various stock option plans, incorporated by reference to M&I's
          Registration Statement on Form S-8 (Reg. No. 33-53897)*

     (n)  Valley Bancorporation 1992 Outside Directors' Stock Option Plan,
          incorporated by reference to the Valley 1992 Proxy Statement*

     (o)  Employment agreement between M&I and Mr. Peter M. Platten, III,
          incorporated by reference to M&I's Registration Statement on Form S-4
          (Reg. No. 33-51753)*

     (p)  Letter agreement dated January 25, 1994 between Valley Bancorporation
          and Mr. Peter M. Platten, III incorporated by reference to M&I's
          Annual Report on Form 10-K for the fiscal year ended December 31,
          1994, SEC File No. 0-1220*

     (q)  Employment agreement, dated as of December 14, 1995, between M&I and
          Ms. Patricia R. Justiliano incorporated by reference to M&I's Annual
          Report on Form 10-K for the fiscal year ended December 31, 1995, SEC
          File No. 0-1220*

     (r)  Marshall & Ilsley Corporation 1997 Executive Stock Option and
          Restricted Stock Plan, incorporated by reference to M&I's Proxy
          Statement for the 1997 Annual Meeting of Shareholders*

     (s)  Marshall & Ilsley Corporation Executive Deferred Compensation Plan,
          incorporated by reference to M&I's Annual Report on Form 10-K for the
          fiscal year ended December 31, 1996, SEC File No. 0-1220*

     (t)  Deferred Compensation Trust II between Marshall & Ilsley Corporation
          and Marshall & Ilsley Trust Company, incorporated by reference to
          M&I's Annual Report on Form 10-K for the fiscal year ended December
          31, 1996, SEC File No. 0-1220*

     (u)  Marshall & Ilsley Corporation Annual Executive Incentive Compensation
          Plan, incorporated by reference to M&I's Proxy Statement for the 1997
          Annual Meeting of Shareholders*

     (v)  Marshall & Ilsley Corporation Amended and Restated Supplementary
          Retirement Benefits Plan, incorporated by reference to M&I's Annual
          Report on Form 10-K for the fiscal year ended December 31, 1996, SEC
          File No. 0-1220*

     (w)  Security Capital Corporation 1993 Incentive Stock Option Plan,
          incorporated by reference to M&I's Registration Statement on Form S-8
          (Reg. No. 333-36909)*

     (x)  Security Bank S.S.B. Deferred Compensation Plans for Key Executive
          Officers and Directors, incorporated by reference to Security Capital
          Corporation's Registration Statement on Form S-1 (Reg. No. 33-68982)*

     (y)  Security Bank S.S.B. Supplemental Pension Plan, incorporated by
          reference to Security Capital Corporation's Registration Statement on
          Form S-1 (Reg. No. 33-68982)*

     (z)  Directors Deferred Compensation Plan, incorporated by reference to
          M&I's Proxy Statement for the 1998 Annual Meeting of Shareholders*

     (aa) Marshall & Ilsley Corporation 1994 Long-Term Incentive Plan for
          Executives, as amended, incorporated by reference to M&I's Annual
          Report on Form 10-K for the fiscal year ended December 31, 1997, SEC
          File No. 0-1220*



                                       3


<PAGE>   83


     (bb) Employment agreement, dated December 11, 1997, between M&I and Mr.
          Delgadillo, incorporated by reference to M&I's Annual Report on Form
          10-K for the fiscal year ended December 31, 1997, SEC File No. 0-1220*

     (cc) Employment agreement, dated November 5, 1990, between M&I and Mr. D.R.
          Jones, incorporated by reference to M&I's Annual Report on Form 10-K
          for the fiscal year ended December 31, 1997, SEC File No. 0-1220*

     (dd) Amendment to Employment Agreement dated April 3, 1995, between M&I and
          Mr. D.R. Jones, incorporated by reference to M&I's Annual Report on
          Form 10-K for the fiscal year ended December 31, 1997, SEC File No.
          0-1220*

     (ee) Employment agreement, dated October 16, 1997, between M&I and Mr. D.H.
          Wilson, incorporated by reference to M&I's Annul Report on Form 10-K
          for the fiscal year ended December 31, 1997, SEC File No. 0-1220*

     (ff) Employment agreement, dated January 12, 1999, between M&I and Mr. T.M.
          Bolger, incorporated by reference to M&I's Annual Report on Form 10-K
          for the fiscal year ended December 31, 1998, SEC File No. 0-1220*

     (gg) Form of Employment agreements between M&I and Messrs. O'Neill and
          Williams, incorporated by reference to M&I's Annual Report on Form
          10-K for the fiscal year ended December 31, 1998, SEC File No. 0-1220*

     (hh) Marshall & Ilsley Corporation Amended and Restated Executive Deferred
          Compensation Plan, incorporated by reference to M&I's Quarterly Report
          on Form 10-Q for the quarterly period ended September 30, 1999, SEC
          File No. 1-15403*

     (ii) Marshall & Ilsley Corporation Amended and Restated 1997 Executive
          Stock Option and Restricted Stock Plan, incorporated by reference to
          M&I's Quarterly Report on Form 10-Q for the quarterly period ended
          September 30, 1999, SEC File No. 1-15403*

     (jj) Marshall & Ilsley Corporation Amended and Restated 1994 Long-Term
          Incentive Plan for Executives, incorporated by reference to M&I's
          Quarterly Report on Form 10-Q for the quarterly period ended September
          30, 1999, SEC File No. 1-15403*

     (kk) Marshall & Ilsley Corporation Amended and Restated Annual Executive
          Compensation Plan, incorporated by reference to M&I's Quarterly Report
          on Form 10-Q for the quarterly period ended September 30, 1999, SEC
          File No. 1-15403*

     (ll) Form of Employment agreements between M&I and Messrs. Sherman, Roberts
          and Root*

(11) Computation of Net Income Per Common Share, incorporated by reference to
     Note 2 of Notes to Consolidated Financial Statements included in Item 8,
     Consolidated Financial Statements.

(12) Computation of Ratio of Earnings to Fixed Charges

(21) Subsidiaries

(23) Consent of Arthur Andersen LLP

(24) Powers of Attorney

(27) Financial Data Schedule





                                       4



<PAGE>   84


M&I will provide a copy of any instrument defining the rights of holders of
long-term debt to the Commission upon request.
- -------------

* Management contract or compensatory plan or arrangement.




                                       5


<PAGE>   1






                                                                 EXHIBIT 10 (ll)

                          FORM OF EMPLOYMENT AGREEMENTS

                        BETWEEN M&I AND MESSRS. SHERMAN,

                                ROBERTS, AND ROOT






<PAGE>   2





                              EMPLOYMENT AGREEMENT

         THIS AGREEMENT, entered into as of the ___ day of ___________, 1999, by
and between MARSHALL & ILSLEY CORPORATION (the "Company"), and _______________
the "Executive") (hereinafter collectively referred to as "the parties").

                               W I T E S S E T H:

         WHEREAS, the Board of Directors of the Company (the "Board") recognizes
that the possibility of a Change of Control (as hereinafter defined in Section
2) exists and that the threat of or the occurrence of a Change of Control can
result in significant distractions of its key management personnel because of
the uncertainties inherent in such a situation; and

         WHEREAS, the Board has determined that it is essential and in the best
interest of the Company and its shareholders to retain the services of the
Executive in the event of a threat or occurrence of a Change of Control and to
ensure his continued dedication and efforts in such event without undue concern
for his personal financial and employment security; and

         WHEREAS, in order to induce the Executive to remain in the employ of
the Company, particularly in the event of a threat of or the occurrence of a
Change of Control, the Company desires to enter into this Agreement with the
Executive.

         NOW, THEREFORE, in consideration of the respective agreements of the
parties contained herein, it is agreed as follows:

         1.       Employment Term.

                  (a) The "Employment Term" shall commence on the first date
during the Protected Period (as defined in Section l(c), below) on which a
Change of Control (as defined in Section 2, below) occurs (the "Effective Date")
and shall expire on the second anniversary of the Effective Date; provided,
however, that at the end of each day of the Employment Term the Employment Term
shall automatically be extended for one (I ) day unless either the Company or
the Executive shall have given written notice to the other at least thirty (30)
days prior thereto that the Employment Term shall not be so extended; and
provided, further, that the Employment Term shall not be automatically extended
beyond the first day of the month following the month in which the Executive
attains age sixty-five (65).

                  (b) Notwithstanding anything contained in this Agreement to
the contrary, if the Executive's employment is terminated prior to the Effective
Date and the Executive reasonably demonstrates that such termination (i) was at
the request of a third party who has indicated an intention or taken steps
reasonably calculated to effect a Change of Control, or (ii) otherwise occurred
in connection with or in anticipation of a Change of Control, then for all
purposes of this Agreement, the Effective Date shall mean the date immediately
prior to the date of such termination of the Executive's employment.



<PAGE>   3


     (c) For purposes of this Agreement, the "Protected Period" shall be the two
(2) year period commencing on the date hereof, provided, however, that at the
end of each day the Protected Period shall be automatically extended for one (1)
day unless at least thirty (30) days prior thereto the Company shall have given
written notice to the Executive that the Protected Period shall not be so
extended; and provided, further, that notwithstanding any such notice by the
Company not to extend, the Protected Period shall not end if prior to the
expiration thereof any third party has indicated an intention or taken steps
reasonably calculated to effect a Change of Control, in which event the
Protected Period shall end only after such third party publicly announces that
it has abandoned all efforts to effect a Change of Control.

  2. Chance of Control. For purposes of this Agreement, a "Change of Control,
shall mean the first to occur of the following:

     (a) The acquisition by any individual, entity or "group" (within the
meaning of Section 13(d)(3) or 1 4(d)(2) of the Securities Exchange Act of 1934,
as amended (the "Exchange Act")) of beneficial ownership (within the meaning of
Rule 1 3d-3 promulgated under the Exchange Act) of thirty-three percent (33%) or
more of either (i) the then outstanding shares of common stock of the Company
(the "Outstanding Company Common Stock") or (ii) the combined voting power of
the then outstanding voting securities of the Company entitled to vote generally
in the election of directors (the "Outstanding Company Voting Securities");
provided, however, that the following acquisitions of common stock shall not
constitute a Change of Control: (i) any acquisition directly from the Company
(excluding an acquisition by virtue of the exercise of a conversion privilege or
by one person or a group of persons acting in concert), (ii) any acquisition by
the Company, (iii) any acquisition by any employee benefit plan (or related
trust) sponsored or maintained by the Company or any corporation controlled by
the Company or (iv) any acquisition by any corporation pursuant to a
reorganization, merger or consolidation which would not be a Change of Control
under subsection (c) of this Section 2; or

     (b) Individuals who, as of the date hereof, constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided, however, that any individual becoming a director subsequent to
the date hereof whose election, or nomination for election by the Company's
shareholders, was approved by a vote of at least a majority of the directors
then comprising the Incumbent Board shall be considered as though such
individual were a member of the Incumbent Board, but excluding, for this
purpose, any such individual whose initial assumption of office occurs as a
result of either an actual or threatened "election contest" or other actual or
threatened "solicitation" (as such terms are used in Rule 14a-11 of Regulation
14A promulgated under the Exchange Act) of proxies or consents by or on behalf
of a person other than the Incumbent Board; or

     (c) Approval by the shareholders of the Company of a reorganization, merger
or consolidation, unless, following such reorganization, merger or
consolidation, (i) more than two-thirds (2/3) of, respectively, the then
outstanding shares of common stock of the corporation resulting from such
reorganization, merger or consolidation and the combined voting power of the
then outstanding voting securities of such corporation entitled to vote
generally in the election of directors is then beneficially owned, directly or
indirectly, by all or substantially all of the individuals and entities who were
the beneficial owners, respectively, of the Outstanding



                                       2



<PAGE>   4


Company Common Stock and Outstanding Company Voting Securities immediately prior
to such reorganization, merger or consolidation m substantially the same
proportions as their ownership, immediately prior to such reorganization, merger
or consolidation, (ii) no person (excluding the Company, any employee benefit
plan (or related trust) of the Company or such corporation resulting from such
reorganization, merger or consolidation and any person beneficially owning,
immediately prior to such reorganization, merger or consolidation, directly or
indirectly, thirty-three percent (33%) or more of the Outstanding Company Common
Stock or Outstanding Voting Securities, as the case may be) beneficially owns,
directly or indirectly, thirty-three percent (33%) or more of, respectively, the
then outstanding shares of common stock of the corporation resulting from such
reorganization, merger or consolidation or the combined voting power of the then
outstanding voting securities of such corporation, entitled to vote generally in
the election of directors and (iii) at least a majority of the members of the
board of directors of the corporation resulting from such reorganization, merger
or consolidation were members of the Incumbent Board at the time of the
execution of the initial agreement providing for such reorganization, merger or
consolidation; or

                  (d) Approval by the shareholders of the Company of (i) a
complete liquidation or dissolution of the Company or (ii) the sale or other
disposition of all or substantially all of the assets of the Company, other than
to a corporation, with respect to which following such sale or other
disposition, (A) more than two-thirds (2/3) of, respectively, the then
outstanding shares of common stock of such corporation and the combined voting
power of the then outstanding voting securities of such corporation entitled to
vote generally in the election of directors is then beneficially owned, directly
or indirectly, by all or substantially all of the individuals and entities who
were the beneficial owners, respectively, of the Outstanding Company Common
Stock and Outstanding Company Voting Securities immediately prior to such sale
or other disposition in substantially the same proportion as their ownership,
immediately prior to such sale or other disposition, of the Outstanding Company
Common Stock and Outstanding Company Voting Securities, as the case may be, (B)
no person (excluding the Company and any employee benefit plan (or related
trust) of the Company or such corporation and any person beneficially owning,
immediately prior to such sale or other disposition, directly or indirectly,
thirty-three percent (33%) or more of the Outstanding Company Common Stock or
Outstanding Company Voting Securities, as the case may be) beneficially owns,
directly or indirectly, thirty-three percent (33%) or more of, respectively, the
then outstanding shares of common stock of such corporation or the combined
voting power of the then outstanding voting securities of such corporation
entitled to vote generally in the elect on of directors and (C) at least a
majority of the members of the board of directors of such corporation were
members of the Incumbent Board at the time of the execution of the initial
agreement or action of the Board providing for such sale or other disposition of
assets of the Company.

         3.       Employment.

                  (a) Subject to the provisions of Section 3, hereof, the
Company agrees to continue to employ the Executive and the Executive agrees to
remain in the employ of the Company during the Employment Term. During the
Employment Term, the Executive shall be employed as _____________________ of M&I
Corporation or in such other executive capacity as may be mutually agreed to in
writing by the parties. During the Employment Term, Executive's position


                                       3



<PAGE>   5


(including status, offices, titles and reporting requirements), authority,
duties and responsibilities shall be at least commensurate in all material
respects with the most significant of those held or assigned at any time during
the twelve ( t 2) month period immediately preceding the Effective Date, and
Executive's services shall be performed at the location where Executive was
employed immediately preceding the Effective Date or at any office or location
less than thirty-five (35) miles from such location, unless mutually agreed to
in writing by the parties.

                  (b) Excluding periods of vacation and sick leave to which the
Executive is entitled, during the Employment Term the Executive agrees to devote
full time attention to the business and affairs of the Company to the extent
necessary to discharge the responsibilities assigned to the Executive hereunder,
provided that the Executive may take reasonable amounts of time to (i) serve on
corporate, civil or charitable boards or committees, and (ii) deliver lectures,
fulfill speaking engagements or teach at educational institutions, if such
activities do not significantly interfere with the performance of the
Executive's responsibilities hereunder. It is expressly understood and agreed
that to the extent any such activities have been conducted by the Executive
prior to the Effective Date, the continued conduct of such activities (or the
conduct of activities similar in nature and scope) subsequent to the Effective
Date shall not thereafter be deemed to interfere with the performance of
Executive's responsibilities hereunder.

         4.       Compensation.

                  (a) Base Salary. During the Employment Term, the Executive
shall receive an annual base salary ("Annual Base Salary"), which shall be paid
at a monthly rate, at least equal to twelve (12) times the highest monthly base
salary paid or payable to the Executive by the Company and its affiliated
companies in respect of the twelve (12) month period immediately preceding the
month in which the Effective Date occurs. During the Employment Term, the Annual
Base Salary shall be reviewed at least annually and shall be increased at any
time and from time to time as shall be substantially consistent with increases
in base salary generally awarded in the ordinary course of business to other
peer executives of the Company and its affiliated companies. Any increase in
Annual Base Salary shall not serve to limit or reduce any other obligation to
the Executive under this Agreement. Annual Base Salary shall not be reduced
after any such increase and the term Annual Base Salary as utilized in this
Agreement shall refer to Annual Base Salary as so increased. As used in this
Agreement, the term "affiliated companies" shall include any company controlled
by, controlling or under common control with the Company.

                  (b) Annual Bonus. In addition to Annual Base Salary, the
Executive shall be awarded, for each fiscal year ending during the Employment
Term, an annual bonus (the "Annual Bonus") in cash at least equal to the average
annualized (for any fiscal year consisting of less than twelve (12) full months
or with respect to which the Executive has been employed by the Company for less
than twelve (12) full months bonuses paid or payable, including any amounts
which were deferred under any plans of the Company and its affiliated companies,
to the Executive by the Company and its affiliated companies in respect of the
three (3) fiscal years immediately preceding the fiscal year in which the
Effective Date occurs (the "Recent Average Bonus"). Each such Annual Bonus shall
be paid no later than seventy-five (75) days after the end of the fiscal year
for which the Annual Bonus is awarded, unless the Executive shall elect to



                                       4



<PAGE>   6


defer the receipt of such Annual Bonus under any plan or arrangement of the
Company allowing therefor.

                  (c) Incentive. Savings and Retirement Plans. During the
Employment Term, the Executive shall be entitled to participate in all
incentive, savings and retirement plans, practices, policies and programs
applicable generally to other peer executives of the Company and its affiliated
companies, but in no event shall such plans, practices, policies and programs
provide the Executive with incentive opportunities (measured with respect to
both regular and special incentive opportunities, to the extent, if any, that
such distinction is applicable), savings opportunities and retirement benefit
opportunities, in each case, less favorable, in the aggregate, than the most
favorable of those provided by the Company and its affiliated companies for the
Executive under such plans, practices, policies and programs as in effect at any
time during the twelve ( 12) month period immediately preceding the Effective
Date, or, if more favorable to the Executive, those provided generally at any
time after the Effective Date to other peer executives of the Company and its
affiliated companies.

                  (d) Benefit Plans. During the Employment Term, the Executive
and/or the Executive's family, as the case may be, shall be eligible for
participation in and shall receive all benefits under benefit plans, practices,
policies and programs provided by the Company and its affiliated companies
(including, without limitation, medical, prescription drug, dental, disability,
salary continuance, employee life, group life, accidental death and travel
accident insurance plans and programs) to the extent applicable generally to
other peer executives of the Company and its affiliated companies and their
families; but in no event shall such plans, practices, policies and programs
provide the Executive with benefits which are less favorable, in the aggregate,
than the most favorable of such plans, practices, policies and programs in
effect for the Executive and his family at any time during the twelve (12) month
period immediately preceding the Effective Date or, if more favorable to the
Executive, those provided generally at any time after the Effective Date to
other peer executives of the Company and its affiliated companies and their
families.

                  (e) Expenses. During the Employment Term, the Executive shall
be entitled to receive prompt reimbursement for all reasonable expenses incurred
by the Executive in accordance with the most favorable policies, practices and
procedures of the Company and its affiliated companies in effect for the
Executive at any time during the twelve ( 12) month period immediately preceding
the Effective Date or, if more favorable to the Executive, as in effect
generally at any time thereafter with respect to other peer executives of the
Company and its affiliated companies.

                  (f) Fringe Benefits. During the Employment Term, the Executive
shall be entitled to fringe benefits (including but not limited to Company cars,
club dues and physical examinations) in accordance with the most favorable
plans, practices, programs and policies of the Company and its affiliated
companies in effect for the Executive at any time during the twelve (12) month
period immediately preceding the Effective Date or, if more favorable to the
Executive, as in effect generally at any time thereafter with respect to other
peer executives of the Company and its affiliated companies.



                                       5


<PAGE>   7




                  (g) Vacation and Sick Leave. During the Employment Term, the
Executive shall be entitled to paid vacation and sick leave (without loss of
pay) in accordance with the most favorable plans, policies, programs and
practices of the Company and its affiliated companies as in effect for the
Executive at any time during the twelve ( 12) month period immediately preceding
the Effective Date or, if more favorable to the Executive, as in effect
generally at any time thereafter with respect to other peer executives of the
Company and its affiliated companies.

                  (h) Restrictions. As of the Effective Date, all restrictions
limiting the exercise, transferability or other incidents of ownership of any
outstanding award, including but not limited to restricted stock, options, stock
appreciation rights, or other property or rights of the Company granted to the
Executive shall lapse, and such awards shall become fully vested and be held by
the Executive free and clear of all such restrictions. This provision shall
apply to all such property or rights notwithstanding the provisions of any other
plan or agreement, unless the effect of the application of this provision to a
particular right or property would result in such right or property failing to
qualify for favorable tax treatment under the particular section of the Internal
Revenue Code for which it was designed to qualify, or would result in the loss
of favorable securities law treatment for participants under the plan pursuant
to which the award was granted.

         5. Termination of Employment. During the Employment Term, the
Executive's employment hereunder may be terminated under the following
circumstances:

                  (a) Death or Disability. The Executive's employment shall
terminate automatically upon the Executive's death during the Employment Term.
If the Company determines in good faith that the Disability of the Executive has
occurred during the Employment Term (pursuant to the definition of Disability
set forth below), it may give to the Executive written notice in accordance with
Section 5 of this Agreement of its intention to terminate the Executive's
employment. In such event, the Executive's employment with the Company shall
terminate effective on the thirtieth (30th) day after receipt of such notice by
the Executive (the "Disability Effective Date"), provided that, within thirty
(30) days after such receipt, the Executive shall not have resumed to full-time
performance of the Executive's duties. For purposes of this Agreement,
"Disability" shall mean the absence of the Executive from the Executive's duties
with the Company on a full-time basis for one hundred eighty ( 180) consecutive
business days as a result of incapacity due to mental or physical illness which
is determined to be total and permanent by a physician selected by the Company
or its insurers and acceptable to the Executive or the Executive's legal
representative, provided if the parties are unable to agree, the parties shall
request the Dean of the Medical College of Wisconsin to choose such physician.

                  (b) Cause. The Company may terminate the Executive's
employment for "Cause." A termination for Cause is a termination evidenced by a
resolution adopted in good faith by a majority of the Board that the Executive
(i) willfully, deliberately and continually failed to substantially perform his
duties under Section 3, above (other than a failure resulting from the
Executive's incapacity due to physical or mental illness) which failure
constitutes gross misconduct, and results in and was intended to result in
demonstrable material injury to the Company, monetary or otherwise, or (ii)
committed acts of fraud and dishonesty constituting a


                                       6



<PAGE>   8



felony, as determined by a final judgment or order of a court of competent
jurisdiction, and resulting or intended to result in gain to or personal
enrichment of the Executive at the Company's expense, provided, however, that no
termination of the Executive's employment shall be for Cause as set forth in
(i), above, until (a) Executive shall have had at least sixty (60) days to cure
any conduct or act alleged to provide Cause for termination after a written
notice of demand has been delivered to the Executive specifying in detail the
manner in which the Executive's conduct violates this Agreement, and (b) the
Executive shall have been provided an opportunity to be heard by the Board (with
the assistance of the Executive's counsel if the Executive so desires). No act,
or failure to act, on the Executive's part, shall be considered "willful" unless
he has acted or failed to act in bad faith and without a reasonable belief that
his action or failure to act was in the best interest of the Company.
Notwithstanding anything contained in this Agreement to the contrary, no failure
to perform by the Executive after Notice of Termination is given by the
Executive shall constitute Cause for purposes of this Agreement.

                  (c)  Good Reason.

                  (1) The Executive may terminate his employment for Good
Reason. For purposes of this Agreement, "Good Reason" shall mean the occurrence
after a Change of Control of any of the events or conditions described in
Subsections (i) through (vi) hereof:

                  (i) A change in the Executive's status, title, position or
responsibilities (including reporting responsibilities) which, in the
Executive's reasonable judgment, does not represent a promotion from his status,
title, position or responsibilities as in effect immediately prior thereto; the
assignment to the Executive of any duties or responsibilities which, in the
Executive's reasonable judgment, are inconsistent with his status, title,
position or responsibilities in effect immediately prior to such assignment; or
any removal of the Executive from or failure to reappoint or reelect him to any
position, except in connection with the termination of his employment for
Disability, Cause, as a result of his death or by the Executive other than for
Good Reason;

                  (ii)  Any failure by the Company to comply with any of the
provisions of Section 4 of this Agreement.

                  (iii) The insolvency or the filing (by any party, including
the Company) of a petition for bankruptcy of the Company;

                  (iv) Any material breach by the Company of any provision of
this Agreement;

                  (v) Any purported termination of the Executive's employment
for Cause by the Company which does not comply with the terms of Section 5 of
this Agreement; and

                  (vi) The failure of the Company to obtain an agreement,
satisfactory to the Executive, from any successor or assign of the Company, to
assume and agree to perform this Agreement, as contemplated in Section I O
hereof.


                                       7



<PAGE>   9



                  (2) Any event or condition described in Section 5(c) ( I )
which occurs prior to the Effective Date but which the Executive reasonably
demonstrates (i) was at the request of a third party who has indicated an
intention or taken steps reasonably calculated to effect a Change of Control, or
(ii) otherwise arose in connection with or in anticipation of a Change of
Control, shall constitute Good Reason for purposes of this Agreement
notwithstanding that it occurred prior to the Effective Date.

                  (3) The Executive's right to terminate his employment pursuant
to this Section 5(c) shall not be affected by his incapacity due to physical or
mental illness. The Executive's continued employment or failure to give Notice
of Termination shall not constitute consent to, or a waiver of rights with
respect to, any circumstances constituting Good Reason hereunder.

                  (4) For purposes of this Section 5(c), any good faith
determination of Good Reason made by the Executive shall be conclusive.

                  (d) Voluntary Termination. The Executive may voluntarily
terminate his employment hereunder at any time.

                  (e) Notice of Termination. Any purported termination by the
Company or by the Executive (other than by death of the Executive) shall be
communicated by Notice of Termination to the other. For purposes of this
Agreement, a "Notice of Termination" shall mean a written notice which (i)
indicates the specific termination provision in this Agreement relied upon, (ii)
to the extent applicable, sets forth in reasonable detail the facts and
circumstances claimed to provide a basis for termination of the Executive's
employment under the provision so indicated, and (iii) the Termination Date. For
purposes of this Agreement, no such purported termination of employment shall be
effective without such Notice of Termination.

                  (f) Termination Date, Etc. "Termination Date" shall mean in
the case of the Executive's death, his date of death, or in all other cases, the
date specified in the Notice of Termination subject to the following:

                  (1) If the Executive's employment is terminated by the
Company, the date specified in the Notice of Termination shall be at least
thirty (30) days after the date the Notice of Termination is given to the
Executive, provided, however, that in the case of Disability, the Executive
shall not have returned to the full-time performance of his duties during such
period of at least thirty (30) days;

                  (2) If the Executive's employment is terminated for Good
Reason, the date specified in the Notice of Termination shall not be more than
sixty (60) days after the date the Notice of Termination is given to the
Company; and

                  (3) In the event that within thirty (30) days following the
date of receipt of the Notice of Termination, one party notifies the other that
a dispute exists concerning the basis for termination, the Executive's
employment hereunder shall not be terminated except after the dispute is finally
resolved and a Termination Date is determined either by a mutual written
agreement of the parties, or by a binding and final judgment order or decree of
a court of



                                       8



<PAGE>   10


competent jurisdiction (the time for appeal therefrom having expired
and no appeal having been perfected).

         6. Obligations of the Company Upon Termination.

                  (a) Good Reason; Other Than for Cause, Death or Disability.
If, during the Employment Term, the Company shall terminate the Executive's
employment other than for Cause or Disability or the Executive shall terminate
employment for Good Reason:

                  (i) The Company shall pay to the Executive in a lump sum in
cash within five (5) days after the Termination Date the aggregate of the
following amounts:

                  A.  The sum of:

                  (1)  The Executive's Annual Base Salary through the
Termination Date to the extent not theretofore paid.

                  (2) The product of (x) the higher of (1) the Recent Average
Bonus and (11) the Annual Bonus paid or payable, including any amount deferred,
(and annualized for any fiscal year consisting of less than twelve ( 12) full
months or for which the Executive has been employed for less than twelve ( 12)
full months) for the most recently completed fiscal year during the Employment
Period, if any (such higher amount being referred to as the "Highest Annual
Bonus") and (y) a fraction, the numerator of which is the number of days
completed in the current fiscal year through the Termination Date, and the
denominator of which is 365; and

                  (3) Any compensation previously deferred by the Executive
(together with any accrued interest or earnings thereon) and any accrued
vacation pay, in each case to the extent not theretofore paid.

         The sum of the amounts described in Clauses ( I ), (2) and (3 ) shall
be hereinafter referred to as the "Accrued Obligations."

                  B. The amount equal to the product of (1) two and (2) the sum
of (x) the Executive's Annual Base Salary (increased for this purpose by any
Section 401(k) deferrals, cafeteria plan elections, or other deferrals that
would have increased Executive's Annual Base Salary if paid in cash to Executive
when earned) and (y) the Executive's Highest Annual Bonus;

                  C. A separate lump-sum supplemental retirement benefit equal
to the difference between ( I ) the actuarial equivalent (utilizing for this
purpose the most favorable to the Executive actuarial assumptions and Company
contribution history with respect to the applicable retirement plan, incentive
plans, savings plans and other plans described in Section 4(c) (or any successor
plan thereto) (the "Retirement Plans") during the twelve (12) month period
immediately preceding the Effective Date) of the benefit payable under the
Retirement Plans and any supplemental and/or excess retirement plan providing
benefits for the Executive (the "SERP") which the Executive would receive if the
Executive's employment continued for an additional two (2) years after the
Termination Date with annual compensation equal to the sum


                                       9


<PAGE>   11


of the Annual Base Salary and Highest Annual Bonus, assuming for this purpose
that all accrued benefits and contributions are fully vested and that benefit
accrual formulas and Company contributions are no less advantageous to the
Executive than those in effect during the twelve (12) month period immediately
preceding the Effective Date, and (2) the actuarial equivalent (utilizing for
this purpose the actuarial assumptions utilized with respect to the Retirement
Plans during the twelve (12) month period immediately preceding the Effective
Date) of the Executive's actual benefit (paid or payable), if any, under the
Retirement Plans and the SERP. For example, if there were a termination today
this supplemental retirement benefit would be interpreted with respect to two
plans m existence today as follows: (i) with respect to the Retirement Growth
Plan of the Company, the Executive would receive no less than two times eight
percent (8%) of the maximum compensation that can be taken into account under
the Plan assuming Executive's compensation is as set forth above, and (ii) with
respect to the Incentive Savings Plan of the Company, the Executive would
receive no less than two times an annual Company match of fifty percent (50%) of
Employee's maximum allowable contribution to the Plan assuming Executive's
compensation is as set forth above; D. The amount equal to the product of (i)
two and (ii) the sum of (x) the imputed income reflected on Executive's W-2
attributable to the car provided to Executive by the Company or its affiliates
for the last calendar year ending before the Effective Date and (y) the club
dues for Executive paid by the Company or its affiliates attributable to such
year.

                  (ii) For twenty-four (24) months after the Termination Date,
or such longer period as any plan, program, practice or policy may provide, the
Company shall continue benefits to the Executive and/or the Executive's family
at least equal to those which would have been provided to them in accordance
with the plans, programs, practices and policies described in Section 4(d) of
this Agreement if the Executive's employment had not been terminated in
accordance with the most favorable plans, practices, programs or policies of the
Company and its affiliated companies applicable generally to other peer
executives and their families during the twelve ( 12) month period immediately
preceding the Effective Date or, if more favorable to the Executive, as in
effect generally at any time thereafter with respect to other peer executives of
the Company and its affiliated companies and their families; provided, however,
that if the Executive becomes reemployed with another employer and is eligible
to receive medical or other benefits under another employer provided plan, the
medical and other benefits described herein shall be secondary to those provided
under such other plan during such applicable period of eligibility, provided
that the aggregate coverage of the combined benefit plans is no less favorable
to the Executive, in terms of amounts and deductibles and costs to him, than the
coverage required hereunder. For purposes of determining eligibility of the
Executive for retiree benefits pursuant to such plans, practices, programs and
policies, the Executive shall be considered to have remained employed until the
end of such twenty-four (24) month period and to have retired on the last day of
such period.

                  (iii) The Executive shall have the right to purchase the car
provided to him by the Company or its affiliates during the twelve (12) month
period immediately preceding the Effective Date (or a comparable car acceptable
to the Executive if such car is no longer owned by the Company or its
affiliates), at the book value thereof on the Termination Date, exercisable
within thirty (30) days after the Termination Date; and if the car is not
purchased, Executive shall return the car to the Company.


                                       10
<PAGE>   12

                  (iv) To the extent not theretofore paid or provided, the
Company shall timely pay or provide to the Executive any other amounts or
benefits required to be paid or provided or which the Executive is eligible to
receive pursuant to this Agreement under any plan, program, policy or practice
or contract or agreement of the Company and its affiliated companies (such other
amounts and benefits shall be hereinafter referred to as the "Other Benefits").

                  (b) Death. If the Executive's employment is terminated by
reason of the Executive's death during the Employment Term, this Agreement shall
terminate without further obligations to the Executive's legal representatives
under this Agreement, except that the Company shall pay or provide the Accrued
Obligations, six (6) months of Annual Base Salary, and the Other Benefits. The
Accrued Obligations shall be paid to the Executive's estate or beneficiary, as
applicable, in a lump sum in cash within thirty (30) days of the Termination
Date. The six (6) months of Annual Base Salary shall be paid during the six (6)
month period following the Termination Date on a monthly basis. With respect to
the provision of Other Benefits, the term Other Benefits as utilized in this
Section 6(b) shall include, and the Executive's family shall be entitled to
receive, benefits at least equal to the most favorable benefits provided by the
Company and any of its affiliated companies to surviving families of peer
executives of the Company and such affiliated companies under such plans,
programs, practices and policies relating to family death benefits, if any, as
in effect with respect to other peer executives and their families at any time
during the twelve ( 12) month period immediately preceding the Effective Date
or, if more favorable to the Executive and/or the Executive's family, as in
effect on the date of the Executive's death with respect to other peer
executives of the Company and its affiliated companies and their families.

                  (c) Disability. If the Executive's employment is terminated by
reason of the Executive's Disability during the Employment Term, this Agreement
shall terminate without further obligations to the Executive, except that the
Company shall pay or provide the Accrued Obligations and the Other Benefits. The
Accrued Obligations shall be paid to the Executive in a lump sum in cash within
thirty (30) days of the Termination Date. With respect to the provision of Other
Benefits, the term Other Benefits as utilized in this Section 6(c) shall
include, and the Executive shall be entitled after the Disability Effective Date
to receive, disability and other benefits at least equal to the most favorable
of those generally provided by the Company and its affiliated companies to
disabled executives and/or their families in accordance with such plans,
programs, practices and policies relating to disability, if any, as in effect
generally with respect to other peer executives and their families at any time
during the twelve (12) month period immediately preceding the Effective Date or,
if more favorable to the Executive and/or the Executive's family, as in effect
at any time thereafter generally with respect to other peer executives of the
Company and its affiliated companies and their families.

                  (d) Cause; Other Than for Good Reason. If the Executive's
employment shall be terminated for Cause during the Employment Term, or if the
Executive voluntarily terminates employment during the Employment Term for other
than Good Reason, this Agreement shall terminate without further obligations to
the Executive other than the obligation to pay to the Executive Annual Base
Salary through the Date of Termination, any other amounts earned or accrued
through the Termination Date, and the amount of any compensation previously
deferred

                                       11
<PAGE>   13

by the Executive, in each case to the extent theretofore unpaid; provided that
if Executive voluntarily terminates Executive shall receive the benefits
normally provided upon normal or early retirement with respect to other peer
Executives and their families to the extent he qualifies therefore. All salary
or compensation hereunder shall be paid to the Executive in a lump sum in cash
within thirty (30) days of the Date of Termination.

                  (e) If any of the payments referred to in this Section 6 are
not paid within the time specified after the Termination Date (hereinafter a
"Delinquent Payment"), in addition to such principal sum, the Company will pay
to the Executive interest on all such Delinquent Payments computed at the prime
rate as announced from time to time by M&I Marshall 8L Ilsley Bank, or its
successor, compounded monthly.

         7. No Mitigation. In no event shall the Executive be obligated to seek
other employment to take any other action by way of mitigation of the amounts
payable to the Executive under any of the provisions of this Agreement and such
amounts shall not be reduced (except to the extent set forth in Section
6(a)(ii)) whether or not the Executive obtains other employment.

         8. Unauthorized Disclosure. The Executive shall not make any
Unauthorized Disclosure. For purposes of this Agreement, "Unauthorized
Disclosure" shall mean disclosure by the Executive without the consent of the
Board to any person, other than an employee of the Company or a person to whom
disclosure is reasonably necessary or appropriate in connection with the
performance by the Executive of his duties as an executive of the Company or as
may be legally required, of any confidential information obtained by the
Executive while in the employ of the Company (including, but not limited to, any
confidential information with respect to any of the Company's customers or
methods of operation) the disclosure of which he knows or has reason to believe
will be materially injurious to the Company; provided, however, that such term
shall not include the use or disclosure by the Executive, without consent, of
any information known generally to the public (other than as a result of
disclosure by him in violation of this Section 8) or any information not
otherwise considered confidential by a reasonable person engaged in the same
business as that conducted by the Company. In no event shall an asserted
violation of this Section 8 constitute a basis for deferring or withholding any
amounts otherwise payable to the Executive under this Agreement.

         9. Successors and Assigns.

                  (a) This Agreement shall be binding upon and shall inure to
the benefit of the Company, its successors and assigns and the company shall
require any successor or assign (whether direct or indirect, by purchase,
merger, consolidation or otherwise) to expressly assume and agree to perform
this Agreement in the same manner and to the same extent that the Company would
be required to perform if no such succession or assignment had taken place. The
term "Company" as used herein shall include such successors and assigns. The
term "successors and assigns" as used herein shall mean a corporation or other
entity acquiring all or substantially all the assets and business of the Company
(including this Agreement) whether by operation of law or otherwise.


                                       12
<PAGE>   14

                  (b) Neither this Agreement nor any right or interest hereunder
shall be assignable or transferable by the Executive, his beneficiaries or legal
representatives, except by will or by the laws of descent and distribution. This
Agreement shall inure to the benefit of and be enforceable by the Executive's
legal representative.

         10. Fees and Expenses. From and after the Effective Date, the Company
shall pay all legal fees and related expenses (including the costs of experts,
evidence and counsel) reasonably incurred by the Executive as they become due as
a result of (i) the Executive's termination of employment (including all such
fees and expenses, if any, incurred in contesting or disputing any such
termination of employment), (ii) the Executive's hearing before the Board as
contemplated in Section 5(b) of this Agreement or (iii) the Executive's seeking
to obtain or enforce any right or benefit provided by this Agreement or by any
other plan or arrangement maintained by the Company under which the Executive is
or may be entitled to receive benefits.

         11. Notice. For the purposes of this Agreement, notices and all other
communications provided for in the Agreement (including the Notice of
Termination) shall be in writing and shall be deemed to have been duly given
when personally delivered or sent by certified mail, return receipt requested,
postage prepaid, if to the Company, to Marshall & Ilsley Corporation, 770 North
Water Street, Milwaukee, Wisconsin 53202, or if to Executive, to the address set
forth below Executive's signature, or to such other address as the party may be
notified, provided that all notices to the Company shall be directed to the
attention of the Board with a copy to the Secretary of the Company. All notices
and communications shall be deemed to have been received on the date of delivery
thereof or on the third business day after the mailing thereof, except that
notice of change of address shall be effective only upon receipt.

         12. Non-Exclusivity of Rights. Nothing in this Agreement shall prevent
or limit the Executive's continuing or future participation in any benefit,
bonus, incentive or other plan or program provided by the Company or any of its
subsidiaries for which the Executive may qualify. Amounts which are vested
benefits or which the Executive is otherwise entitled to receive under any plan
or program of the Company or any of its subsidiaries shall be payable in
accordance with such plan or program, except as explicitly modified by this
Agreement.

         13. Settlement of Claims. The Company's obligation to make the payments
provided for in this Agreement and otherwise to perform its obligations
hereunder shall not be affected by any circumstances, including, without
limitation, any set-off, counterclaim, recoupment, defense or other right which
the Company may have against the Executive or others.

         14. Miscellaneous. No provision of this Agreement may be modified,
waived or discharged unless such waiver, modification or discharge is agreed to
in writing and signed by the Executive and the Company. No waiver by either
party hereto at any time of any breach by the other party hereto of, or
compliance with, any condition or provision of this Agreement to be performed by
such other party shall be deemed a waiver of similar or dissimilar provisions or
conditions at the same or at any prior or subsequent time. No agreement or
representations, oral or otherwise, express or implied, with respect to the
subject matter hereof have been made by either party which are not expressly set
forth in this Agreement.


                                       13

<PAGE>   15

         15. Employment. The Executive and the Company acknowledge that the
employment of the Executive by the Company is "at will" and prior to the
Effective Date, may be terminated by either the Executive or the Company at any
time. Moreover, if prior to the Effective Date, the Executive's employment with
the Company terminates then the Executive shall have no further rights under
this Agreement.

         16. Governing Law. This Agreement shall be governed by and construed
and enforced in accordance with the laws of the State of Wisconsin without
giving effect to the conflict of law principles thereof.

         17. Severability. The provisions of this Agreement shall be deemed
severable and the invalidity or unenforceability of any provision shall not
affect the validity or enforceability of the other provisions hereof.

         18. Entire Agreement. This Agreement constitutes the entire agreement
between the parties hereto and supersedes all prior agreements, if any,
understandings and arrangements, oral or written, between the parties hereto
with respect to the subject matter hereof.

         19. Headings. The headings herein contained are for reference only and
shall not affect the meaning or interpretation of any provision of this
Agreement.

         20. Modification. No provision of this Agreement may be modified,
waived or discharged unless such modification, waiver or discharge is agreed to
in writing signed by both the Executive and the Company.

         21. Withholding. The Company shall be entitled to withhold from amounts
paid to the Executive hereunder any federal, estate or local withholding or
other taxes or charges which it is, from time to time, required to withhold. The
Company shall be entitled to rely on an opinion of counsel if any question as to
the amount or requirement of any such withholding shall arise.


                                       14
<PAGE>   16


         22. Limitation on Payments.

                  (a) Within fifteen (15) business days of the Termination Date,
an independent national accounting hum designated by the Company (the
"Accounting Firm") shall compute whether there would be any "excess parachute
payments" payable to the Executive, within the meaning of Section 280G of the
Internal Revenue Code of 1986, as amended (the "Code"), taking into account the
total "parachute payments," within the meaning of Section 280G of the Code,
payable to the Executive by the Company or any successor thereto under this
Agreement and any other plan, agreement or otherwise. If there would be any
excess parachute payments, the Accounting Firm will compute the net after-tax
proceeds to the Executive, taking into account the excise tax imposed by Section
4999 of the Code, if (i) the payments hereunder were reduced, but not below
zero, such that the total parachute payments payable to the Executive would not
exceed 299% of the "base amount" as defined in Section 280G of the Code, or (ii)
the payments hereunder were not reduced. If reducing the payments hereunder
would result in a greater after-tax amount to the Executive, such lesser amount
shall be paid to the Executive. If not reducing the payments hereunder would
result in a greater after-tax amount to the Executive, such payments shall not
be reduced. The determination by the Accounting Firm shall be binding upon the
Company and the Executive subject to the application of Section 22(b) hereof.

                  (b) As a result of the uncertainty m the application of
Sections 280G of the Code, it is possible that excess parachute payments will be
paid when such payment would result in a lesser after-tax amount to the
Executive; this is not the intent hereof. In such cases, the payment of any
excess parachute payments will be void ab initio as regards any such excess. Any
excess will be treated as a loan by the Company to the Executive. The Executive
will return the excess to the Company, within fifteen (I 5) business days of any
determination by the Accounting Firm that excess parachute payments have been
paid when not so intended, with interest at an annual rate equal to the rate
provided in Section 1274(b)(2)(B) of the Code (or 120% of such rate if the
Accounting Firm determines that such rate is necessary to avoid an excise tax
under Section 4999 of the Code) from the date the Executive received the excess
until it is repaid to the Company.

         (c) All fees, costs and expenses (including, but not limited to, the
cost of retaining experts) of the Accounting Firm shall be borne by the Company
and the Company shall pay such fees, costs and expenses as they become due. In
performing the computations required hereunder, the Accounting Firm shall assume
that taxes will be paid for state and federal purposes at the highest possible
marginal tax rates which could be applicable to the Executive in the yeah of
receipt of the payments, unless the Executive agrees otherwise."


                                       15
<PAGE>   17


         IN WITNESS WHEREOF, the Company has caused this Agreement to be
executed by its duly authorized officer and the Executive has executed this
Agreement as of the day and year first above written.

                                        MARSHALL & ILSLEY CORPORATION


                                        By:
                                           --------------------------------
                                        James B. Wigdale, Chairman
ATTEST:


- -------------------------------
Michael A. Hatfield, Secretary
                                        EXECUTIVE:


                                        -----------------------------------
                                        Signature

                                        Address:
                                                ---------------------------

                                                ---------------------------




                                       16

<PAGE>   1

                                                                      EXHIBIT 12

                         MARSHALL & ILSLEY CORPORATION
               COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
                                    ($000'S)

<TABLE>
<CAPTION>
                                                            YEARS ENDED DECEMBER 31,
                                           ----------------------------------------------------------
                                              1999         1998         1997        1996       1995
                                           ----------   ----------   ----------   --------   --------
<S>                                        <C>          <C>          <C>          <C>        <C>
EARNINGS:
Earnings before income taxes and
  extraordinary items....................  $  527,939   $  465,285   $  388,172   $317,949   $312,938
Fixed charges, excluding interest on
  deposits...............................     222,172      206,546      175,609    126,261    119,412
                                           ----------   ----------   ----------   --------   --------
Earnings including fixed charges but
  excluding interest on deposits.........     750,111      671,831      563,781    444,210    432,350
Interest on deposits.....................     585,864      564,540      460,418    392,473    363,488
                                           ----------   ----------   ----------   --------   --------
Earnings including fixed charges and
  interest on deposits...................  $1,335,975   $1,236,371   $1,024,199   $836,683   $795,838
                                           ==========   ==========   ==========   ========   ========
FIXED CHARGES:
Interest Expense:
  Short-term borrowings..................  $  142,294   $  126,624   $  111,193   $ 63,892   $ 48,390
  Long-term borrowings...................      63,145       66,810       54,175     53,615     63,701
  One-third of rental expense for all
     operating leases (the amount deemed
     representative of the interest
     factor).............................      16,733       13,112       10,241      8,754      7,321
                                           ----------   ----------   ----------   --------   --------
Fixed charges excluding interest on
  deposits...............................     222,172      206,546      175,609    126,261    119,412
Interest on deposits.....................     585,864      564,540      460,418    392,473    363,488
                                           ----------   ----------   ----------   --------   --------
Fixed charges including interest on
  deposits...............................  $  808,036   $  771,086   $  636,027   $518,734   $482,900
                                           ==========   ==========   ==========   ========   ========
RATIO OF EARNINGS TO FIXED CHARGES:
Excluding interest on deposits...........        3.38x        3.25x        3.21x      3.52x      3.62x
Including interest on deposits...........        1.65x        1.60x        1.61x      1.61x      1.65x
</TABLE>

<PAGE>   1



                                                                      EXHIBIT 21

                          MARSHALL & ILSLEY CORPORATION

                                  SUBSIDIARIES

                                February 29, 2000


Subsidiaries Organized in Wisconsin
- -----------------------------------


<TABLE>
<S>                                                    <C>
Customers Forever, LLC                                 M&I Community State Bank
M&I Bank (Ashland)                                     M&I First American Bank
M&I Bank (Superior)                                    M&I Lake Country Bank
M&I Bank of Burlington                                 M&I Lakeview Bank
M&I Bank of Eagle River                                M&I Marshall & Ilsley Bank
M&I Bank of LaCrosse                                   M&I Merchants Bank
M&I Bank of Mayville                                   M&I Mid-State Bank
M&I Bank of Menomonee Falls                            M&I Northern Bank
M&I Bank of Racine                                     M&I Brokerage Services, Inc.
M&I Bank of Shawano
M&I Bank of Southern Wisconsin                         M&I Dealer Finance, Inc.
M&I Bank Fox Valley                                    M&I Financial Corp.
M&I Bank Northeast                                     M&I First National Leasing Corp.
M&I Bank South                                         M&I Insurance Services, Inc.
M&I Bank South Central                                 M&I Investment Management Corp.
M&I Central Bank & Trust                               M&I Mortgage Corp.
M&I Central State Bank                                 M&I Support Services Corp.
M&I Citizens American Bank                             Marshall & Ilsley Trust Company
                                                       Richter-Schroeder Company, Inc.


Subsidiaries Incorporated in Arizona                   Subsidiaries Incorporated in Florida
- ------------------------------------                   ------------------------------------

M&I Thunderbird Bank                                   Marshall & Ilsley Trust Company of Florida
M&I Insurance Company of Arizona, Inc.
M&I Marshall & Ilsley Trust Company of Arizona

Subsidiaries Organized in Delaware                     Subsidiaries Incorporated in Michigan
- ----------------------------------                     -------------------------------------
M&I Capital Markets Group L.L.C.
M&I Ventures L.L.C.                                    M&I Leasing Corp. of Michigan

Subsidiaries Incorporated in Nevada
- -----------------------------------
</TABLE>

         The registrant has 87 subsidiaries which primarily hold, manage and
service investment and mortgage portfolios.


<TABLE>
<S>                                                    <C>
Subsidiaries Incorporated in New Hampshire             Subsidiaries Incorporated in Malaysia
- ------------------------------------------             -------------------------------------

M&I EastPoint Technology, Inc.                         M&I Asia Pacific Sdn. Bhd.

Subsidiaries Incorporated in Vermont                   Subsidiaries Organized Under the Laws of the United States
- ------------------------------------                   ----------------------------------------------------------

M&I Mortgage Reinsurance Corporation                   M&I Bank FSB
                                                       M&I First National Bank (West Bend)
                                                       M&I National Trust Company
</TABLE>




<PAGE>   1


                                                                      EXHIBIT 23

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
                    -----------------------------------------


As independent public accountants, we hereby consent to the inclusion in this
Form 10-K for the year ended December 31, 1999, of our report dated January 12,
2000. It should be noted that we have not audited any financial statements of
Marshall & Ilsley Corporation and subsidiaries subsequent to December 31, 1999,
or performed any audit procedures subsequent to the date of our report.

We also consent to the incorporation by reference of such report in the
following Registration Statements of Marshall & Ilsley Corporation ("M&I"):

<TABLE>
<S><C>
         No. 2-89605 (Form S-8)  pertaining to the M&I 1983  Executive  Stock Option and Restricted
                  Stock Plan,
         No. 33-2642 (Form S-8)  pertaining to the M&I 1985  Executive  Stock Option and Restricted
                  Stock Plan,
         No. 33-3415 (Form S-8) pertaining to the M&I Retirement Growth Plan,
         No. 33-33090 (Form S-8) pertaining to the M&I 1988 Restricted Stock Plan,
         No. 33-33153 (Form S-8)  pertaining to the M&I 1989 Executive  Stock Option and Restricted
                  Stock Plan,
         No. 33-53155 (Form S-8) pertaining to the M&I 1993 Executive Stock Option Plan,
         No. 33-53897  (Form S-8)  pertaining  to the stock option  plans of Valley  Bancorporation
                  assumed by M&I,
         No. 33-55317  (Form  S-8)  pertaining  to  the  M&I  1994  Long-Term  Incentive  Plan  for
                  Executives,
         No. 33-58787 (Form S-8) pertaining to the M&I 1995 Directors Stock Option Plan,
         No. 333-02017 (Form S-8) pertaining to the M&I 1986 Non-qualified Stock Option Plan,
         No. 333-36909  (Form S-8) pertaining to the M&I 1997 Executive Stock Option and Restricted
                  Stock Plan and to the Security  Capital  Corporation  1993 Incentive  Stock Option
                  Plan assumed by M&I,
         No. 333-49195  (Form S-8)  pertaining  to the M&I  Amended  and  Restated  1994  Long-Term
                  Incentive Plan for  Executives,  the M&I Amended and Restated  Directors  Deferred
                  Compensation  Plan and to the  stock  option  plans  of  Advantage  Bancorp,  Inc.
                  assumed by M&I,
         No. 2-80293  (Form S-3)  pertaining  to shares of M&I held by those  persons named in such
                  Registration Statement,
         No. 33-21377 (Form S-3) pertaining to the issuance by M&I of Debt Securities,
         No. 33-64054 (Form S-3) pertaining to the issuance by M&I of Debt Securities, and
         No. 33-64425 (Form S-3) pertaining to the issuance by M&I of Debt Securities.
</TABLE>



Milwaukee, Wisconsin,                                       ARTHUR ANDERSEN LLP
March 9, 2000





<PAGE>   1



                                                                      EXHIBIT 24

                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                           /s/ George E. Wardeberg
                                           ----------------------------------
                                           George E. Wardeberg



<PAGE>   2


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                           /s/ James O. Wright
                                           ----------------------------------
                                           James O. Wright



<PAGE>   3


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                           /s/ Wendell F. Bueche
                                           ----------------------------------
                                           Wendell F. Bueche



<PAGE>   4


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                           /s/ Robert A. Schaefer
                                           ----------------------------------
                                           Robert A. Schaefer



<PAGE>   5


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                           /s/ Jack F. Kellner
                                           ----------------------------------
                                           Jack F. Kellner



<PAGE>   6


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                           /s/ D.J. Kuester
                                           ----------------------------------
                                           D.J. Kuester

<PAGE>   7


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Oscar C. Boldt
                                             -----------------------------------
                                             Oscar C. Boldt



<PAGE>   8


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director and executive officer of Marshall & Ilsley
Corporation designates each of J.B. Wigdale and M.A. Hatfield, with the power of
substitution, as his true and lawful attorney-in-fact for the purpose of: (i)
executing in his name and on his behalf Marshall & Ilsley Corporation's Form
10-K for the fiscal year ended December 31, 1999 and any related amendments
and/or supplements; (ii) generally doing all things in his name and on his
behalf in his capacity as a director and executive officer to enable Marshall &
Ilsley Corporation to comply with the provisions of the Securities Exchange Act
of 1934, as amended, and all requirements of the Securities and Exchange
Commission; and (iii) ratifying and confirming his signature as it may be signed
by the attorney-in-fact to the Form 10-K and any related amendments and/or
supplements.

         Dated this 10th day of February, 2000.



                                             /s/ G.H. Gunnlaugsson
                                             -----------------------------------
                                             G.H. Gunnlaugsson



<PAGE>   9


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Gus A. Zuehlke
                                             -----------------------------------
                                             Gus A. Zuehlke



<PAGE>   10


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Burleigh E. Jacobs
                                             -----------------------------------
                                             Burleigh E. Jacobs



<PAGE>   11


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Jon F. Chait
                                             -----------------------------------
                                             Jon F. Chait



<PAGE>   12


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Stuart W. Tisdale
                                             -----------------------------------
                                             Stuart W. Tisdale



<PAGE>   13


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Richard A. Abdoo
                                             -----------------------------------
                                             Richard A. Abdoo



<PAGE>   14


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director and executive officer of Marshall & Ilsley
Corporation designates each of J.B. Wigdale and M.A. Hatfield, with the power of
substitution, as his true and lawful attorney-in-fact for the purpose of: (i)
executing in his name and on his behalf Marshall & Ilsley Corporation's Form
10-K for the fiscal year ended December 31, 1999 and any related amendments
and/or supplements; (ii) generally doing all things in his name and on his
behalf in his capacity as a director and executive officer to enable Marshall &
Ilsley Corporation to comply with the provisions of the Securities Exchange Act
of 1934, as amended, and all requirements of the Securities and Exchange
Commission; and (iii) ratifying and confirming his signature as it may be signed
by the attorney-in-fact to the Form 10-K and any related amendments and/or
supplements.

         Dated this 10th day of February, 2000.



                                             /s/ J.B. Wigdale
                                             -----------------------------------
                                             J.B. Wigdale



<PAGE>   15


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Don R. O'Hare
                                             -----------------------------------
                                             Don R. O'Hare



<PAGE>   16


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as her
true and lawful attorney-in-fact for the purpose of: (i) executing in her name
and on her behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in her name and on her behalf in her capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming her
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Katharine C. Lyall
                                             -----------------------------------
                                             Katharine C. Lyall



<PAGE>   17


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ John S. Shiely
                                             -----------------------------------
                                             John S. Shiely



<PAGE>   18


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 21st day of February, 2000.



                                             /s/ Timothy E. Hoeksema
                                             -----------------------------------
                                             Timothy E. Hoeksema



<PAGE>   19


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Peter M. Platten, III
                                             -----------------------------------
                                             Peter M. Platten, III



<PAGE>   20


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ James F. Kress
                                             -----------------------------------
                                             James F. Kress




<PAGE>   21


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ San W. Orr, Jr.
                                             -----------------------------------
                                             San W. Orr, Jr.




<PAGE>   22


                          DIRECTOR'S POWER OF ATTORNEY
                                (1999 Form 10-K)


         The undersigned director of Marshall & Ilsley Corporation designates
each of J.B. Wigdale and M.A. Hatfield, with the power of substitution, as his
true and lawful attorney-in-fact for the purpose of: (i) executing in his name
and on his behalf Marshall & Ilsley Corporation's Form 10-K for the fiscal year
ended December 31, 1999 and any related amendments and/or supplements; (ii)
generally doing all things in his name and on his behalf in his capacity as a
director to enable Marshall & Ilsley Corporation to comply with the provisions
of the Securities Exchange Act of 1934, as amended, and all requirements of the
Securities and Exchange Commission; and (iii) ratifying and confirming his
signature as it may be signed by the attorney-in-fact to the Form 10-K and any
related amendments and/or supplements.

         Dated this 10th day of February, 2000.



                                             /s/ Edward L. Meyer, Jr.
                                             -----------------------------------
                                             Edward L. Meyer, Jr.





<TABLE> <S> <C>

<ARTICLE> 9

<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                         705,293
<INT-BEARING-DEPOSITS>                          79,469
<FED-FUNDS-SOLD>                               101,922
<TRADING-ASSETS>                                40,334
<INVESTMENTS-HELD-FOR-SALE>                  4,357,196
<INVESTMENTS-CARRYING>                       1,170,734
<INVESTMENTS-MARKET>                         1,137,126
<LOANS>                                     16,335,061
<ALLOWANCE>                                    225,862
<TOTAL-ASSETS>                              24,369,723
<DEPOSITS>                                  16,435,182
<SHORT-TERM>                                 4,540,255
<LIABILITIES-OTHER>                            612,336
<LONG-TERM>                                    665,024
                                0
                                        336
<COMMON>                                       112,757
<OTHER-SE>                                   2,003,833
<TOTAL-LIABILITIES-AND-EQUITY>              24,369,723
<INTEREST-LOAN>                              1,156,775
<INTEREST-INVEST>                              328,488
<INTEREST-OTHER>                                11,321
<INTEREST-TOTAL>                             1,496,584
<INTEREST-DEPOSIT>                             585,864
<INTEREST-EXPENSE>                             791,303
<INTEREST-INCOME-NET>                          705,281
<LOAN-LOSSES>                                   25,419
<SECURITIES-GAINS>                               7,676
<EXPENSE-OTHER>                                997,697
<INCOME-PRETAX>                                527,939
<INCOME-PRE-EXTRAORDINARY>                     354,511
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   354,511
<EPS-BASIC>                                       3.32
<EPS-DILUTED>                                     3.14
<YIELD-ACTUAL>                                    3.57
<LOANS-NON>                                    106,387
<LOANS-PAST>                                     9,975
<LOANS-TROUBLED>                                   708
<LOANS-PROBLEM>                                117,070
<ALLOWANCE-OPEN>                               226,052
<CHARGE-OFFS>                                   32,557
<RECOVERIES>                                     6,948
<ALLOWANCE-CLOSE>                              225,862
<ALLOWANCE-DOMESTIC>                           225,862
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0


</TABLE>


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