GALLAGHER ARTHUR J & CO
10-K, 2000-03-23
INSURANCE AGENTS, BROKERS & SERVICE
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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

[  ] Transition Report Pursuant to Section 13 or 15(d) of the Securities
     Exchange Act of 1934

For the transition period from            to

Commission file number 1-9761

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                           ARTHUR J. GALLAGHER & CO.

             (Exact name of registrant as specified in its charter)

                DELAWARE                               36-2151613
    (State or other jurisdiction of     (I.R.S. Employer Identification Number)
     incorporation or organization)

            Two Pierce Place                           60143-3141
            Itasca, Illinois                           (Zip Code)
    (Address of principal executive
                offices)

       Registrant's telephone number, including area code (630) 773-3800

                                   ---------

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

          Title of each class                    Name of each exchange
        Common Stock, par value                   on which registered

            $1.00 per share
                                                New York Stock Exchange

          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 non-affiliates of the
registrant, computed by reference to the last reported price at which the stock
was sold on February 29, 2000 was $884,627,000.

The number of outstanding shares of the registrant's Common Stock, $1.00 par
value, as of February 29, 2000 was 37,088,000.

 Portions of documents incorporated by   Part of Form 10-K into which document
       reference into this report                   is incorporated

       ARTHUR J. GALLAGHER & CO.                        PART III

  Proxy Statement dated March 30, 2000

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<PAGE>

                                     PART I

Item 1. Business.

  Arthur J. Gallagher & Co. and its subsidiaries (collectively referred to as
"Gallagher" unless the context otherwise requires) are engaged in providing
insurance brokerage, risk management and related services to clients in the
United States and abroad. Gallagher's principal activity is the negotiation and
placement of insurance for its clients. Gallagher also specializes in
furnishing risk management services. Risk management involves assisting clients
in analyzing risks and determining whether proper protection is best obtained
through the purchase of insurance or through retention of all or a portion of
those risks and the adoption of corporate risk management policies and cost-
effective loss control and prevention programs. Risk management services also
include claims management, loss control consulting and property appraisals.
Gallagher believes that its ability to deliver a comprehensively structured
risk management and brokerage service is one of its major strengths.

  Gallagher operates through a network of approximately 200 offices located
throughout the United States and six countries abroad and through a network of
correspondent brokers and consultants in more than 100 countries around the
world. Some of these offices are fully staffed with sales, marketing, claims
and other service personnel; others function as servicing offices for the
brokerage and risk management service operations of Gallagher. Gallagher's
international operations include a Lloyd's of London broker and affiliated
companies in London, England and other facilities in Australia, Bermuda,
Canada, Scotland and Papua New Guinea.

  Gallagher was founded in 1927 and was reincorporated as a Delaware
corporation in 1972. Gallagher's executive offices are located at Two Pierce
Place, Itasca, Illinois 60143-3141, and its telephone number is (630) 773-3800.

Stock Split

  In January 2000, the Board of Directors declared a two-for-one stock split of
Gallagher's common stock, effected in the form of a 100% stock dividend paid on
March 15, 2000 to shareholders of record as of March 1, 2000. As a result of
this action, par value of the common stock remains at $1.00 per share. All
information relating to the number of common shares and per common share
amounts appearing in this Annual Report on Form 10-K have been restated to give
retroactive effect to the stock split for all periods presented.

Operating Segments

  Gallagher has identified three operating segments in addition to its
corporate operations. Insurance Brokerage Services encompasses operations that,
for commission or fee compensation, place or arrange to place insurance
directly related to the clients' funding of risk. This segment also provides
consulting services for fee compensation. Risk Management Services includes
Gallagher's third party administration, loss control and risk management
consulting, workers' compensation investigations and insurance property
appraisal operations. Third party administration is principally comprehensive
claims management programs for Gallagher's clients or clients of other brokers.
Financial Services is primarily comprised of Gallagher's investment operations.
Corporate consists primarily of unallocated administrative costs and the
provision for income taxes which is not allocated to Gallagher's operating
segments.
<PAGE>

  The two major sources of operating revenues for Gallagher are commissions
from insurance brokerage operations and service fees primarily from risk
management operations. Information with respect to all sources of revenue, by
operating segment, for each of the three years in the period ended December 31,
1999, is as follows (in thousands):

<TABLE>
<CAPTION>
                                         1999          1998*          1997*
                                    -------------- -------------- --------------
                                             % of           % of           % of
                                     Amount  Total  Amount  Total  Amount  Total
                                    -------- ----- -------- ----- -------- -----
<S>                                 <C>      <C>   <C>      <C>   <C>      <C>
Commissions
  Insurance Brokerage Services..... $342,922   57  $328,177   59  $305,344   58
  Risk Management Services.........       --   --       467   --       381   --
Fees
  Insurance Brokerage Services.....   47,035    8    44,654    8    43,553    8
  Risk Management Services.........  187,594   31   167,377   30   141,403   27
Investment income and other
  Insurance Brokerage Services.....    7,734    1     8,815    1     9,032    2
  Risk Management Services.........      769   --       996   --       977   --
  Financial Services...............   19,782    3     9,161    2    14,921    3
Non-recurring gains................       --   --        --   --     8,993    2
                                    --------  ---  --------  ---  --------  ---
  Total revenues................... $605,836  100  $559,647  100  $524,604  100
                                    ========  ===  ========  ===  ========  ===
</TABLE>
- --------
   *Restated for six 1999 acquisitions accounted for as poolings of interests.
   See Note 2 to the Consolidated Financial Statements for a summary of the
   effects of these restatements on the 1998 and 1997 consolidated financial
   statements.

  See Note 13 to the Consolidated Financial Statements for additional financial
information, including earnings before income taxes and identifiable assets, by
operating segment, for 1999, 1998 and 1997.

  Gallagher's revenues vary significantly from quarter to quarter as a result
of the timing of policy inception dates, which traditionally are heaviest in
the third quarter, whereas expenses are fairly uniform throughout the year. See
Note 12 to the Consolidated Financial Statements for unaudited quarterly
operating results for 1999 and 1998.

Insurance Brokerage Services

  The Insurance Brokerage Services segment is principally comprised of two
divisions, the Brokerage Services Division (BSD) and Gallagher Benefit Services
(GBS).

  BSD places insurance for and services commercial, industrial, institutional,
governmental, religious and personal accounts throughout the United States and
abroad. BSD acts as an agent in soliciting, negotiating and effecting contracts
of insurance through insurance companies worldwide, as a broker in procuring
contracts of insurance on behalf of insureds, and in setting up and managing
self-insured programs. BSD has the capability to handle insurable risks and
related coverages for all forms of property/casualty products. BSD also places
surplus lines coverages, which are coverages for various specialized risks not
available from insurance companies licensed by the states in which the risks
are located. In addition, BSD places reinsurance coverages for its insurance
company clients.

  GBS specializes in the management of employee benefit programs through fully
insured and self-insured programs. GBS provides services in connection with the
design, financing, implementation, administration and communication of
compensation and employee benefit programs (including pension and profit-
sharing plans, group life, health, accident and disability insurance programs
and tax deferral plans), and provides other professional services in connection
therewith.


                                       2
<PAGE>

  The primary source of Gallagher's compensation for its Insurance Brokerage
Services segment is commissions paid by insurance companies which are usually
based upon a percentage of the premium paid by the insured. Commission rates
are dependent on a number of factors including the type of insurance, the
particular insurance company and the capacity in which Gallagher acts. In some
cases, Gallagher is compensated for brokerage or advisory services directly by
fees from clients. Gallagher may also receive contingent commissions which are
based on the profit the underwriting insurance company earns and/or the overall
volume of business placed by Gallagher in a given period of time. Occasionally,
Gallagher shares commissions with other brokers who have participated with
Gallagher in placing insurance or servicing insureds. GBS receives a fee for
acting in the capacity of advisor and administrator with respect to employee
benefit programs and receives commissions in connection with the placement of
insurance under such programs.

Risk Management Services

  The Risk Management Services segment is principally comprised of two wholly
owned subsidiaries, Gallagher Bassett Services, Inc. (Gallagher Bassett) and
Gallagher Benefit Administrators, Inc. (GBA).

  Gallagher Bassett provides a variety of professional consulting services to
assist clients in analyzing risks and in determining whether proper protection
is best obtained through the purchase of insurance or through retention of all
or a portion of those risks and the adoption of risk management policies and
cost-effective loss control and prevention programs. A full range of risk
management services is offered including claims management, risk control
consulting services, information management, property appraisals and insurance
related investigative services on a totally integrated or select, stand-alone
basis. Gallagher Bassett provides these services for Gallagher's clients
through a network of over 120 service offices located throughout the United
States, Canada, England, Scotland, Australia and Papua New Guinea.

  Gallagher believes that Gallagher Bassett's risk management services are an
important factor in securing new and retaining Insurance Brokerage Services'
clients who are interested in risk management related services. Gallagher
Bassett also markets these services directly to clients on an unbundled basis
independent of Gallagher's Insurance Brokerage Services in order to capitalize
on the interest in risk management created by market conditions.

  In connection with its risk management services, Gallagher Bassett provides
"self-insurance" programs for large institutions, risk sharing pools and
associations, and large commercial and industrial customers. Self-insurance, as
administered by Gallagher Bassett, is a program in which the client assumes a
manageable portion of its insurance risks, usually (although not always)
placing the less predictable and larger loss exposures with an insurance
carrier that specializes in these less predictable exposures.

  GBA is a third-party administrator that serves the self-funded employee
health benefit marketplace by integrating effective managed care and quality
assurance programs with claims administration services. The employee health
benefit services provided by GBA are, in many instances, directly supported by
GBS.

  Gallagher Bassett's and GBA's revenues for risk management services are
substantially in the form of fees. These fees are typically negotiated in
advance on an annual basis based upon the estimated value of the services to be
performed.

Financial Services

  The Financial Services segment is primarily responsible for Gallagher's
diversified investment portfolio which includes investment strategies-trading,
marketable securities-available for sale, tax advantaged investments,
investments accounted for using the equity method, real estate partnerships and
notes receivable from investees.

                                       3
<PAGE>

  Tax advantaged investments represent amounts invested by Gallagher in limited
partnerships that operate qualified affordable housing or alternative energy
projects. Gallagher receives tax benefits in the form of tax deductions for
operating losses and tax credits from these investments. Investments in real
estate partnerships primarily represent an investment in a limited partnership
that owns 10,000 acres of land to be developed near Orlando, Florida. Notes
receivable from investees represent secured loans made by Gallagher to several
of its equity and limited partnership investments. Financial Services is
primarily responsible for the management of Gallagher's own investments but is
expanding these investment management services in conjunction with the
insurance products Gallagher markets to its clients. These investments and the
associated returns are for the benefit of Gallagher.

International Operations

  Total revenues by geographic area for each of the three years in the period
ended December 31, 1999 are as follows (in thousands):

<TABLE>
<CAPTION>
                                        1999          1998*          1997*
                                   -------------- -------------- --------------
                                            % of           % of           % of
                                    Amount  Total  Amount  Total  Amount  Total
                                   -------- ----- -------- ----- -------- -----
<S>                                <C>      <C>   <C>      <C>   <C>      <C>
United States..................... $556,879   92  $514,883   92  $486,438   93
Foreign, principally United
 Kingdom and Bermuda..............   48,957    8    44,764    8    38,166    7
                                   --------  ---  --------  ---  --------  ---
  Total revenues.................. $605,836  100  $559,647  100  $524,604  100
                                   ========  ===  ========  ===  ========  ===
</TABLE>
- --------
  *Restated for six 1999 acquisitions accounted for as poolings of interests.

  The Insurance Brokerage Services segment's international operations are
principally comprised of a Lloyd's of London broker and an insurance brokerage
and risk management joint venture in the United Kingdom; an insurance brokerage
operation and a rent-a-captive insurance company facility in Bermuda; and a
network of correspondent brokers and consultants in more than 100 countries
around the world.

  Arthur J. Gallagher (UK) Limited (AJG UK), a wholly owned Lloyd's of London
brokerage subsidiary of Gallagher based in London, provides brokerage and other
services to clientele primarily located outside of the United Kingdom. The
principal activity of AJG UK is to negotiate and place insurance and
reinsurance with Lloyd's of London underwriters and insurance companies
worldwide. Its brokerage services encompass four major categories: aviation,
marine, reinsurance (treaty and facultative) and property/casualty (risks
predominantly located in North America). Although AJG UK is located in London,
the thrust of its business development has been with non-United Kingdom
brokers, agents and insurers rather than domestic United Kingdom retail
business. Its clients are primarily insurance and reinsurance companies,
underwriters at Lloyd's of London, Gallagher and its non-United Kingdom
subsidiaries, other independent agents and brokers and major business
corporations requiring direct insurance and reinsurance placements.

  Risk Management Partners Ltd. (RMP) is a 50% owned joint venture between
Gallagher and Munich-American Re Corporation that markets customized insurance
and risk management products and services to United Kingdom public entities
through offices in England and Scotland. RMP was formed six years ago and
Gallagher believes that RMP is now the third largest provider of insurance
brokerage related services to the public entity market in the United Kingdom.

  Arthur J. Gallagher & Co. (Bermuda) Limited provides clients with direct
access to the risk-taking capacity of Bermuda-based insurers for both direct
and reinsurance placements. It also acts as a wholesaler to Gallagher's
marketing efforts by accessing foreign insurance and reinsurance companies in
the placement of United States and foreign risks. In addition, it provides
services relating to the formation and management of offshore captive insurance
companies.


                                       4
<PAGE>

  Gallagher has ownership interests in two Bermuda-based insurance companies
that operate "rent-a-captive" facilities; Artex Insurance Company Ltd., a
partially owned joint venture, and Protected Insurance Company, a wholly owned
subsidiary. Rent-a-captives enable clients to receive the benefits of owning a
captive insurance company without the disadvantages of ownership. Captive
insurance companies are created to insure risk and capture underwriting profit
and investment income, which is then available for use by the insured generally
for reducing future costs of their insurance programs.

  Insurance Brokerage Services also has relationships with a variety of
international brokers in countries where Gallagher does not have a physical
presence. Through a network of correspondent brokers and consultants in more
than 100 countries around the world, Gallagher is able to fully serve its
clients' coverage and service needs wherever their operations are located.

  The Risk Management Services segment's international operations are
principally comprised of the following risk management companies in London,
Australia and Papua New Guinea:

  Gallagher Bassett International Ltd. (UK) (Gallagher Bassett (UK)), a wholly
owned subsidiary of Gallagher Bassett, provides risk management services for
foreign operations, as well as United States operations that are foreign
controlled. Headquartered in London with offices throughout England and
Scotland, Gallagher Bassett (UK) works with insurance companies, reinsurance
companies, overseas brokers, and risk managers of overseas organizations.
Services include consulting, claims management, information management, loss
control and property valuations.

  Wyatt Gallagher Bassett Pty Ltd is a 50% owned joint venture of Gallagher
Bassett that is headquartered in Brisbane, Australia with facilities located
throughout Australia and Papua New Guinea. Wyatt Gallagher Bassett is
principally engaged in providing claims adjusting and risk management services
in Australasia.

  Gallagher also has risk management service facilities in Canada that are not
material to Gallagher's Risk Management Services segment.

  See Notes 11 and 13 to the Consolidated Financial Statements for additional
financial information related to Gallagher's foreign operations, including
earnings before income taxes and identifiable assets, by operating segment, for
1999, 1998 and 1997.

Markets and Marketing

  A large portion of the commission and fee business of Gallagher is derived
from all types of business institutions, not-for-profit organizations,
associations and municipal and other governmental entities. In addition,
Gallagher's clients include large United States and multinational corporations
engaged in a broad range of commercial and industrial businesses. Gallagher
also places insurance for individuals, although this portion of the business is
not material to Gallagher's operations. Gallagher services its clients through
its network of approximately 200 offices in the United States and six countries
abroad. No material part of Gallagher's business is dependent upon a single
customer or on a few customers, the loss of any one or more of which would have
a materially adverse effect on Gallagher. In 1999, the largest single customer
represented less than 2% of total revenues.

  Gallagher believes that its ability to deliver comprehensively structured
risk management and brokerage services, including the placement of reinsurance,
is one of its major strengths. Gallagher also believes that its risk management
business enhances and attracts insurance brokerage business due to the nature
and strength of business relationships which it forms with clients when
providing a variety of risk management services on an on-going basis.

  Gallagher requires its employees serving in a sales or marketing capacity,
including all executive officers of Gallagher, to enter into agreements with
Gallagher restricting disclosure of confidential information and solicitation
of clients and prospects of Gallagher upon their termination of employment. The
confidentiality and non-solicitation provisions of such agreements terminate in
the event of a hostile change in control of Gallagher, as defined therein.

                                       5
<PAGE>

Competition

  Gallagher believes it is the fourth largest insurance broker worldwide in
terms of total revenues. The insurance brokerage and service business is highly
competitive and there are many insurance brokerage and service organizations as
well as individuals throughout the world who actively compete with Gallagher in
every area of its business. Three competing firms are significantly larger and
have several times the commission and/or fee revenues of Gallagher. There are
firms in a particular region or locality which are as large or larger than the
particular local office of Gallagher. Gallagher believes that the primary
factors determining its competitive position with other organizations in its
industry are the quality of the services rendered and the overall costs to its
clients.

  Gallagher is also in competition with certain insurance companies that write
insurance directly for their customers. Government benefits relating to health,
disability, and retirement are also alternatives to private insurance and hence
indirectly compete with the business of Gallagher. To date, such direct writing
and government benefits have had, in the opinion of Gallagher, relatively
little effect on its business and operations, but Gallagher can make no
prediction as to their effect in the future.

Regulation

  In every state and foreign jurisdiction in which Gallagher does business,
Gallagher or an employee is required to be licensed or receive regulatory
approval in order for Gallagher to conduct business. In addition to licensing
requirements applicable to Gallagher, most jurisdictions require that
individuals who engage in brokerage and certain insurance service activities be
personally licensed.

  Gallagher's insurance brokerage and risk management operations depend on its
continued good standing under the licenses and approvals pursuant to which it
operates. Licensing laws and regulations vary from jurisdiction to
jurisdiction. In all jurisdictions, the applicable licensing laws and
regulations are subject to amendment or interpretation by regulatory
authorities. Generally such authorities are vested with relatively broad and
general discretion as to the granting, renewing and revoking of licenses and
approvals.

1999 Acquisitions

  In 1999, Gallagher acquired five insurance brokerage firms and two benefits
consulting companies.

  On November 30, 1999, Gallagher acquired substantially all of the net assets
of Sternfels Insurance Agency, Inc., a Louisiana corporation engaged in the
insurance brokerage and services business in exchange for 96,000 shares of
Gallagher's common stock. This acquisition was accounted for as a pooling of
interests. Four principals and two key employees entered into three-year
employment agreements with Gallagher.

  On August 31, 1999, Gallagher acquired substantially all of the net assets of
Group Benefit Concepts, Inc., a North Carolina corporation engaged in the
benefits consulting business in exchange for 91,000 shares of Gallagher's
common stock. This acquisition was accounted for as a pooling of interests.
Three principals entered into three-year employment agreements with Gallagher.

  On August 31, 1999, Gallagher acquired substantially all of the net assets of
Stanley E. Clark & Associates, Inc., a Washington, D.C. corporation engaged in
the benefits consulting business in exchange for 61,000 shares of Gallagher's
common stock. This acquisition was accounted for as a pooling of interests. One
employee entered into a two-year employment agreement with Gallagher.

  On May 1, 1999, Gallagher acquired substantially all of the net assets of R.
W. Thom & Company, Inc., a California corporation engaged in the insurance
brokerage business in exchange for a cash payment of $250,000. This acquisition
was accounted for as a purchase. The principal entered into a three-year
employment agreement with Gallagher.

                                       6
<PAGE>

  On February 28, 1999, Gallagher acquired substantially all of the net assets
of Goodman Insurance Agency, Inc., a California corporation engaged in the
insurance brokerage and services business in exchange for 315,000 shares of
Gallagher's common stock. This acquisition was accounted for as a pooling of
interests. The principal entered into a three-year employment agreement with
Gallagher.

  On February 28, 1999, Gallagher acquired substantially all of the net assets
of Dodson-Bateman & Company, a Texas corporation engaged in the insurance
brokerage and services business in exchange for 295,000 shares of Gallagher's
common stock. This acquisition was accounted for as a pooling of interests. Two
principals and one key employee entered into three-year employment agreements
with Gallagher.

  On February 28, 1999, Gallagher acquired substantially all of the net assets
of Associated Risk Managers of California, Insurance Producers, dba ARM of
California, a California corporation engaged in the insurance brokerage and
services business in exchange for 198,000 shares of Gallagher's common stock.
This acquisition was accounted for as a pooling of interests. One principal
entered into a three-year employment agreement with Gallagher.

  For the 1999 acquisitions accounted for as poolings of interests, the
consolidated financial statements for all periods prior to the acquisition
dates have been restated to include the operations of these companies. See Note
2 to the Consolidated Financial Statements for a summary of the effects of
these restatements on the 1998 and 1997 consolidated financial statements.

2000 Acquisitions

  The following acquisitions have occurred since December 31, 1999:

  Effective on February 29, 2000, Gallagher acquired 60% of the net assets of
MBR Pty Limited, an Australian company engaged in the reinsurance brokerage and
services business in exchange for an initial cash payment of $2,100,000. This
acquisition was accounted for as a purchase. Eight principals and seven key
employees entered into three-year employment agreements with Gallagher.

  Effective on February 29, 2000, Gallagher acquired substantially all of the
net assets of R. L. Youngdahl & Associates, Inc., a Minnesota corporation
engaged in the insurance brokerage and services business in exchange for 69,000
shares of Gallagher's common stock. This acquisition was accounted for as a
pooling of interests. One principal entered into a three-year employment
agreement with Gallagher and one key employee entered into a two-year
employment agreement with Gallagher.

  Effective on February 29, 2000, Gallagher acquired substantially all of the
net assets of Rebholz Insurance Agency, Inc., a Missouri corporation engaged in
the insurance brokerage and services business in exchange for 42,000 shares of
Gallagher's common stock. This acquisition was accounted for as a pooling of
interests. Three principals entered into three-year employment agreements with
Gallagher.

  Effective on February 29, 2000, Gallagher acquired substantially all of the
net assets of Towle Agency, Inc., a Minnesota corporation engaged in the
insurance brokerage and services business in exchange for 37,000 shares of
Gallagher's common stock. This acquisition was accounted for as a pooling of
interests. Two principals entered into three-year employment agreements with
Gallagher and one key employee entered into a two-year employment agreement
with Gallagher.

  Effective on February 29, 2000, Gallagher acquired substantially all of the
net assets of Powell Insurance Services, Inc., an Illinois corporation engaged
in the insurance brokerage and services business in exchange for 19,000 shares
of Gallagher's common stock. This acquisition was accounted for as a pooling of
interests. One principal entered into a three-year employment agreement with
Gallagher.

                                       7
<PAGE>

  Gallagher believes that the net effect of its acquisitions has been and will
be to expand the volume of general services rendered by Gallagher and the
geographical areas in which Gallagher renders such services and not to change
substantially the nature of the services performed by Gallagher.

  Gallagher is considering and intends to consider from time to time additional
acquisitions and divestitures on terms that it deems advantageous. Gallagher at
this time is engaged in preliminary discussions with a number of candidates for
possible future acquisitions but has no signed contracts or agreements in
principle to make additional acquisitions. No assurances can be given that any
additional acquisitions or divestitures will be consummated, or, if
consummated, will be advantageous to Gallagher.

Employees

  As of December 31, 1999, Gallagher employed approximately 4,600 employees,
none of whom are represented by a labor union. Gallagher continuously reviews
benefits and other matters of interest to its employees and considers its
relations with its employees to be satisfactory.

Item 2. Properties.

  Gallagher's executive offices and certain subsidiary and branch facilities
are located at Two Pierce Place, Itasca, Illinois, where Gallagher leases
approximately 225,000 square feet of space. The lease commitment on the above
mentioned property expires February 28, 2006. Gallagher generally operates in
leased premises. Certain office space leases have options permitting renewals
for additional periods. In addition to minimum fixed rentals, a number of
leases contain annual escalation clauses generally related to increases in an
inflation index. See Note 10 to the Consolidated Financial Statements for
information with respect to Gallagher's lease commitments at December 31, 1999.

Item 3. Legal Proceedings.

  Gallagher is engaged in various legal actions incident to the nature of its
business. Management is of the opinion that none of the litigation will have a
material effect, individually or in the aggregate, on Gallagher's consolidated
financial position or results of operations.

Item 4. Submission of Matters to a Vote of Security Holders.

  No matters were submitted to a vote of security holders during Gallagher's
fourth fiscal quarter ended December 31, 1999.

Item 4A. Executive Officers of the Registrant.

  The executive officers of Gallagher are as follows:

<TABLE>
<CAPTION>
       Name              Age                     Position and Year First Elected
       ----              ---                     -------------------------------
<S>                      <C> <C>
J. Patrick Gallagher,     48 President since 1990, Chief Executive Officer since 1995
 Jr.....................
Michael J. Cloherty.....  52 Executive Vice President since 1996, Chief Financial Officer since 1981
                              and Vice President--Finance 1981-1996
James J. Braniff III....  60 Vice President since 1995
Peter J. Durkalski......  49 Vice President since 1990
James W. Durkin, Jr.....  50 Vice President since 1985
David E. McGurn, Jr.....  46 Vice President since 1993
</TABLE>

  Each such person has been principally employed by Gallagher in management
capacities for more than the past five years. All executive officers are
elected annually and serve at the pleasure of the Board of Directors.

                                       8
<PAGE>

                                    PART II

Item 5. Market for the Registrant's Common Stock and Related Stockholder
Matters.

  Gallagher's common stock is listed on the New York Stock Exchange, trading
under the symbol "AJG." The following table sets forth information as to the
price range of Gallagher's common stock for the two-year period January 1, 1998
through December 31, 1999 and the dividends declared per common share for such
period. The table reflects the range of high and low sales prices per share as
reported on the Consolidated Transaction Reporting System for securities listed
on the New York Stock Exchange. All of the information in the table has been
adjusted to reflect a two-for-one stock split, effected in the form of a 100%
stock dividend, that was declared in January 2000 and paid on March 15, 2000.

<TABLE>
<CAPTION>
                                                                      Dividends
                                                                       Declared
                                                                      Per Common
Quarterly Periods                                    High      Low      Share
- -----------------                                  -------- --------- ----------
<S>                                                <C>      <C>       <C>
1999
- ----
  First........................................... $25 5/16 $21 1/8        $.20
  Second..........................................  25 7/32  23             .20
  Third...........................................  28 1/4   24 5/8         .20
  Fourth..........................................  33 1/8   24 5/8         .20
1998
- ----
  First........................................... $23 1/16 $16 25/32      $.175
  Second..........................................  23 9/32  20 15/16       .175
  Third...........................................  22 7/8   18 5/16        .175
  Fourth..........................................  23 3/8   17 7/16        .175
</TABLE>

  As of February 29, 2000, there were approximately 650 holders of record of
Gallagher's common stock.

                                       9
<PAGE>

Item 6. Selected Financial Data.

                           ARTHUR J. GALLAGHER & CO.

                         GROWTH RECORD: 1990-1999(a)(b)

<TABLE>
<CAPTION>
                                            Average
                                            Annual  ---------------------------
(in thousands, except per share and         Growth    1999     1998      1997
employee data)                              ------- -------- --------  --------
<S>                                         <C>     <C>      <C>       <C>
Revenue Data
  Commissions..............................         $342,922 $328,644  $305,725
  Fees.....................................          234,629  212,031   184,956
  Investment income and other (c)..........           28,285   18,972    33,923
                                                    -------- --------  --------
  Total revenues...........................         $605,836 $559,647  $524,604
  Dollar growth............................         $ 46,189 $ 35,043  $ 29,454
  Percent growth...........................     8%        8%       7%        6%
                                            ------  -------- --------  --------
Pretax Earnings Data
  Pretax earnings..........................         $104,235 $ 86,277  $ 85,682
  Dollar growth............................         $ 17,958 $    595  $ 16,502
  Percent growth...........................    12%       21%       1%       24%
  Pretax earnings as a percentage of total
   revenues................................              17%      15%       16%
                                            ------  -------- --------  --------
Net Earnings Data
  Net earnings.............................         $ 67,753 $ 58,137  $ 57,581
  Dollar growth............................         $  9,616 $    556  $ 11,298
  Percent growth...........................    11%       17%       1%       24%
  Net earnings as a percentage of total
   revenues................................              11%      10%       11%
                                            ------  -------- --------  --------
Net Earnings Per Share Data
  Shares outstanding at year end...........           36,840   36,346    35,390
  Net earnings per share (d)...............         $   1.76 $   1.54  $   1.59
  Percent growth...........................    11%       14%      (3%)      25%
                                            ------  -------- --------  --------
Employee Data
  Number at year end.......................            4,589    4,385     4,134
  Number growth............................              204      251      (122)
  Percent growth...........................     5%        5%       6%       (3%)
  Total revenues per employee (e)..........         $    132 $    128  $    127
  Net earnings per employee (e)............         $     15 $     13  $     14
                                            ------  -------- --------  --------
Common Stock Dividend Data
  Dividends declared per common share (f)..         $    .80 $    .70  $    .62
  Total dividends declared.................         $ 29,202 $ 24,218  $ 20,408
  Percent of same year net earnings........              43%      42%       35%
                                            ------  -------- --------  --------
Balance Sheet Data
  Total assets.............................         $884,146 $760,438  $672,435
  Long-term debt less current portion......              --       --        --
  Total stockholders' equity...............         $242,467 $205,487  $172,333
                                            ------  -------- --------  --------
Return On Beginning Stockholders' Equity...              33%      34%       41%
</TABLE>

Notes:
(a) The financial information for all periods prior to 1999 has been restated
    for six 1999 acquisitions accounted for using the pooling of interests
    method.
(b) All information relating to shares of common stock of Gallagher has been
    adjusted to reflect a two-for-one stock split, effected in the form of a
    100% stock dividend, that was declared in January 2000 and paid on March
    15, 2000.
(c) Includes non-recurring gains.
(d) Based on the weighted average number of common and common equivalent shares
    outstanding during the year.
(e) Based on the number of employees at year end.
(f) Based on the total dividends declared on a share of common stock
    outstanding during the entire year.

                                       10
<PAGE>


<TABLE>
<CAPTION>

          Years Ended December 31,
- ----------------------------------------------------------------------------
  1996        1995       1994       1993       1992       1991        1990
- --------    --------   --------   --------   --------   --------    --------
<S>         <C>        <C>        <C>        <C>        <C>         <C>
$295,279    $286,027   $265,004   $238,243   $220,181   $211,656    $203,710
 175,274     165,205    146,397    133,685    114,885     95,636      80,399
  24,597      23,035     14,461     21,310     17,543     15,010      20,724
- --------    --------   --------   --------   --------   --------    --------
$495,150    $474,267   $425,862   $393,238   $352,609   $322,302    $304,833
$ 20,883    $ 48,405   $ 32,624   $ 40,629   $ 30,307   $ 17,469    $ 34,663
      4%         11%         8%        12%         9%         6%         13%
- --------    --------   --------   --------   --------   --------    --------
$ 69,180    $ 69,847   $ 60,428   $ 55,043   $ 40,943   $ 33,908    $ 36,294
$   (667)   $  9,419   $  5,385   $ 14,100   $  7,035   $ (2,386)   $     37
     (1%)        16%        10%        34%        21%        (7%)        --%
     14%         15%        14%        14%        12%        11%         12%
- --------    --------   --------   --------   --------   --------    --------
$ 46,283    $ 43,815   $ 38,449   $ 32,852   $ 25,692   $ 23,324    $ 24,618
$  2,468    $  5,366   $  5,597   $  7,160   $  2,368   $ (1,294)   $    266
      6%         14%        17%        28%        10%        (5%)         1%
      9%          9%         9%         8%         7%         7%          8%
- --------    --------   --------   --------   --------   --------    --------
  35,122      35,266     34,678     36,488     35,378     35,898      36,326
$   1.27    $   1.18   $   1.04   $    .86   $    .70   $    .62    $    .66
      8%         13%        21%        23%        13%        (6%)         2%
- --------    --------   --------   --------   --------   --------    --------
   4,256       4,220      3,871      3,692      3,426      3,232       3,109
      36         349        179        266        194        123         194
      1%          9%         5%         8%         6%         4%          7%
$    116    $    112   $    110   $    107   $    103   $    100    $     98
$     11    $     10   $     10   $      9   $      7   $      7    $      8
- --------    --------   --------   --------   --------   --------    --------
$    .58    $    .50   $    .44   $    .36   $    .32   $    .32    $    .30
$ 18,399    $ 15,270   $ 13,209   $ 10,808   $  8,767   $  8,439    $  6,999
     40%         35%        34%        33%        34%        36%         28%
- --------    --------   --------   --------   --------   --------    --------
$620,101    $590,286   $538,705   $566,839   $507,574   $488,865    $480,605
   1,130       2,260      3,390     28,166     23,888     24,432      24,723
$139,747    $129,264   $108,032   $129,408   $101,670   $ 96,906    $ 95,416
- --------    --------   --------   --------   --------   --------    --------
     36%         41%        30%        32%        27%        24%         28%
</TABLE>

                                       11
<PAGE>

Item 7. Management's Discussion and Analysis of Financial Condition and Results
of Operations.

General

  Fluctuations in premiums charged by insurance companies have a material
effect on the insurance brokerage industry. Commission revenues are primarily
based on a percentage of the premiums paid by insureds and generally follow
premium levels. For more than a decade, lower premium rates have prevailed
among property/casualty insurance carriers resulting in heavy competition for
market share. This "soft market" (i.e., lower premium rates) has generally
resulted in flat or reduced renewal commissions.

  In recent years insured losses have reached into the billions of dollars.
Substantial mergers, both domestically and internationally, have resulted in
fewer insurance companies. Increased underwriting losses and reduced
competition tend to raise premium rates. Historically, increased property
replacement costs and increasingly large litigation awards have caused some
clients to seek higher levels of insurance coverage. These factors generally
have the effect of generating higher premiums to clients and higher commissions
to Gallagher. In spite of these forces, there have been mitigating factors
including a favorable equity market, increased underwriting capital and
improved economies of scale following consolidations, all of which tend to
lower premium rates. The net result is that property/casualty premium rates
have remained low. Although the insurance marketplace has seen "pockets" of
premium rate increases, management believes that competitive conditions will
continue and overall premium pricing will remain under pressure and not improve
significantly in 2000. In recent years, lower rates of inflation and the soft
market have resulted in a highly competitive insurance marketplace and flat to
lower premiums. In general, the downward trend in premium rates has had a
greater effect on Gallagher's revenues than inflation.

  Although the property/casualty insurance pricing environment has resulted in
some "risk" buyers returning to first-dollar coverage, management believes the
overall trend will be to continue to move toward the alternative insurance
market, which would tend to have a favorable effect on our Risk Management
Services segment. Gallagher anticipates that new sales in the areas of risk
management, claims management, insurance captive and self-insurance services
will continue to be a major factor in Gallagher's fee revenue growth during
2000.

  Gallagher continues to look to the future and to explore not only the core
segments of Insurance Brokerage and Risk Management Services, but also
expansion within the alternative insurance markets and financial and related
investment services. Management believes these areas continue to hold
opportunities for diversification and profitable growth.

Results of Operations--Consolidated

  Gallagher's results of operations for periods prior to 1999 have been
restated for six acquisitions as if they had operated as part of Gallagher
prior to the date of merger. Gallagher continues to search for merger partners
who complement existing operations, provide entry into new markets, add new
products and enhance local sales and service capabilities. For the effect of
these restatements, in the aggregate, on year-to-year comparisons, see Note 2
to the Consolidated Financial Statements.

  Commission revenues increased by $14.3 million or 4% in 1999. This increase,
generated by the Insurance Brokerage Services segment, is the result of new
business production partially offset by lost business. Commission revenues
increased by $22.9 million or 7% in 1998. This increase is the result of new
business production partially offset by lost business.

  Fee revenues increased by $22.6 million or 11% in 1999. This increase,
generated primarily from the Risk Management Services segment, resulted from
strong new business production of $42.3 million and favorable retention rates
on existing business partially offset by lost business of $22.7 million. Fee
revenues increased by $27.1 million or 15% in 1998. This increase, also
generated primarily from Risk Management Services, resulted from new business
production of $39.0 million and favorable retention rates on existing business
partially offset by lost business of $14.5 million.

                                       12
<PAGE>

  Investment income and other increased by $9.3 million or 49% in 1999. This
increase is due primarily to higher returns on funds invested with outside fund
managers which were positively affected by robust equity markets during 1999
and a gain of $3.0 million recognized in 1999 which resulted from the sale of a
portion of Gallagher's interests in limited partnerships that operate qualified
affordable housing projects. In 1998, investment income and other decreased
$6.0 million or 24% due primarily to lower returns on funds invested with
outside fund managers which were adversely affected by volatility in global
equity markets during 1998. In addition, Gallagher liquidated a portion of its
investment portfolio, thereby reducing the aggregate value of these portfolios
by $24.0 million during 1998.

  In 1997, Gallagher recognized non-recurring pretax gains of $7.2 million on
the sale of underperforming or geographically undesirable operations and $1.8
million on a real estate transaction in the United Kingdom. There were no
material non-recurring pretax gains of this nature recorded in either 1999 or
1998.

  Salaries and employee benefits increased by $21.6 million or 7% in 1999 due
primarily to a 5% increase in employee head count, salary increases and the
annualized effect of prior year new hires along with a corresponding increase
in employee benefit expenses. In 1998, salaries and employee benefits increased
by $23.6 million or 9% due to salary increases, the annualized effect of prior
year new hires, a 6% increase in employee head count and the impact of a $4.8
million non-recurring gain recognized in 1997 from the settlement of a defined
benefit pension plan at one of Gallagher's United Kingdom subsidiaries.

  Other operating expenses increased by $6.7 million or 4% in 1999 and $10.9
million or 6% in 1998. These increases are due primarily to increases
associated with travel, entertainment and temporary personnel costs for new
business, technology upgrades, office consolidation expenses and commissions
paid to sub-brokers.

  Gallagher's effective income tax rates were 35.0%, 32.6% and 32.8% in 1999,
1998 and 1997, respectively. These rates are net of the effect of tax benefits
generated by investments in limited partnerships that operate qualified
affordable housing and alternative energy projects, which are substantially
offset by state and foreign taxes. See Note 11 to the Consolidated Financial
Statements.

  Gallagher's foreign operations recorded earnings before income taxes of $5.0
million, $5.3 million and $6.5 million in 1999, 1998 and 1997, respectively.
The decrease in 1999 is due primarily to the write-off of intangible assets
associated with lost business. The decrease in 1998 is due to the non-recurring
gains recognized in 1997 associated with the pension and real estate
transactions mentioned above, substantially offset by growth in operating
results generated by new business. See Notes 11 and 13 to the Consolidated
Financial Statements.

  Gallagher's revenues vary from quarter to quarter generally as a result of
the timing of policy inception dates which traditionally are heaviest in the
third quarter. Expenses, on the other hand, are fairly uniform throughout the
year. See Note 12 to the Consolidated Financial Statements.

Results of Operations--Segment Information

  As discussed in Note 13 to the Consolidated Financial Statements, Gallagher
has three operating business segments; Insurance Brokerage Services, Risk
Management Services and Financial Services, as well as a Corporate segment.

  The Insurance Brokerage Services segment includes Gallagher's retail,
reinsurance and wholesale brokerage operations. Total revenues in 1999 were
$397.7 million, a 4% increase over 1998. This increase is due primarily to new
business production offset by lost business. United States revenues of $364.5
million were up 4% over 1998. Revenues in 1999 from foreign operations,
principally in the United Kingdom and Bermuda, were up 3% or $855,000 over
1998. Earnings before income taxes in 1999 increased 8% over 1998 principally
as a result of increased revenues. Total revenues in 1998 were $381.6 million,
an increase of 7% over 1997. This increase again is due to new business
production partially offset by lost business. United States revenues of $349.3
million were up 7% over 1997 mainly due to new business partially offset by
lost business. Revenues

                                       13
<PAGE>

in 1998 from foreign operations, primarily in the United Kingdom and Bermuda,
were up 8% over 1997 mainly due to new business partially offset by lost
business. Earnings before income taxes of $70.0 million in 1998 increased 16%
over 1997 due mainly to increased revenues.

  The Risk Management Services segment includes Gallagher's third party claims
administration operations which are principally engaged in providing claims
management services for Gallagher's clients. Total revenues in 1999 were $188.4
million or 12% over 1998 due to strong new business production and favorable
retention rates on existing business. United States revenues of $174.4 million
in 1999 were up 11% over 1998 due primarily to new business. In 1999, foreign
revenues of $13.9 million, principally from the United Kingdom and Australia,
increased 16% over 1998 due to new business production partially offset by lost
business. Earnings before income taxes in 1999 of $22.3 million increased 43%
over 1998 due primarily to revenue increases and moderate increases in
expenses. Total revenues in 1998 were $168.8 million or 18% over 1997 due
mainly to new business production and a significant increase in revenues from
Gallagher's Australian operations for claim work performed as a result of a
pervasive and extended power outage in New Zealand. In 1998, United States
revenues increased 15% over 1997 due primarily to new business partially offset
by lost business. In 1998, foreign revenues of $12.0 million, principally from
the United Kingdom and Australia, increased 107% over 1997 due principally to
the claim work of the Australian operations mentioned above. Earnings before
income taxes in 1998 increased 49% over 1997 due primarily to increased
revenues offset by a moderate increase in expenses.

  The Financial Services segment is responsible for Gallagher's diversified
investment portfolio which includes investment strategies--trading, marketable
securities--available for sale, tax advantaged investments, investments
accounted for using the equity method, real estate partnerships and notes
receivable from investees. Revenues in 1999 were $19.8 million or 116% more
than revenues in 1998 and earnings before income taxes increased $7.2 million
or 142% over 1998. These increases are due primarily to more favorable returns
on funds invested with outside fund managers and a gain of $3.0 million
recognized in 1999 which resulted from the sale of a portion of Gallagher's
interests in limited partnerships that operate qualified affordable housing
projects. Revenues in 1998 decreased 62% from 1997 and earnings before income
taxes in 1998 decreased 77% from 1997. These decreases relate to $9.0 million
and $13.8 million of non-recurring gains in revenues and earnings before income
taxes, respectively, recognized in 1997 and less favorable returns on funds
invested with outside fund managers due to equity market conditions in 1998.
Financial Services' revenues are generated principally in the United States.

  Corporate consists of unallocated administrative costs and the provision for
income taxes which is not allocated to Gallagher's operating entities. Revenues
are not recorded in this segment and all costs are generated in the United
States.

Financial Condition and Liquidity

  The insurance brokerage industry is not capital intensive. Gallagher has
historically been profitable, and cash flows from operations and short-term
borrowings under various credit agreements have been sufficient to fund
operating, investment and capital expenditure needs of Gallagher. Cash
generated from operating activities was $63.7 million, $55.4 million and $72.7
million in 1999, 1998 and 1997, respectively. Because of the variability
related to the timing of premiums and fees receivable and premiums payable, net
cash flows from operations vary substantially from year to year. Funds
restricted as to Gallagher's use, primarily premiums held as fiduciary funds,
have not been included in determining Gallagher's overall liquidity.

  Gallagher maintains a $20.0 million unsecured revolving credit agreement (the
"Credit Agreement") requiring repayment of any loans under the agreement no
later than June 30, 2001. During 1999, Gallagher borrowed and repaid $20.0
million of short-term borrowings under the Credit Agreement. During 1998,
Gallagher borrowed and repaid $15.0 million of short-term borrowings under the
Credit Agreement. These borrowings were primarily used on a short-term basis to
finance a portion of Gallagher's operations and

                                       14
<PAGE>

expanded investment activity. As of December 31, 1999 and 1998, there were no
borrowings outstanding under this agreement. The Credit Agreement requires the
maintenance of certain financial covenants and Gallagher is in compliance with
these covenants.

  Gallagher also has three line of credit facilities which total $45.0 million
in the aggregate and expire on April 30, 2000. Periodically, Gallagher will
make short-term borrowings under these credit facilities to meet short-term
cash flow needs. During 1999 and 1998, Gallagher borrowed and repaid $78.5
million and $60.0 million of short-term borrowings, respectively, under these
facilities. As of December 31, 1999 and 1998, $15.0 million was outstanding
under these facilities. These borrowings were primarily used on a short-term
basis to finance a portion of Gallagher's operations and expanded investment
activity.

  At December 31, 1999, Gallagher has contingently committed to invest an
additional $7.2 million related to two letter of credit arrangements with one
of its equity investments. In addition, Gallagher has guaranteed an aggregate
$14.6 million of funds through letters of credit or other arrangements related
to several investments and insurance programs of Gallagher.

  Gallagher paid $28.0 million in cash dividends on its common stock in 1999.
Gallagher's dividend policy is determined by the Board of Directors and
quarterly dividends are declared after considering Gallagher's available cash
from earnings and its known or anticipated cash needs. In each quarter of 1999,
Gallagher's Board of Directors declared a dividend of $.20 per share which was
$.025 or 14% greater than each quarterly dividend in 1998. In January 2000,
Gallagher declared a first quarter dividend of $.23 per share, a 15% increase
over the first quarter dividend in 1999.

  Net capital expenditures were $16.6 million, $13.3 million and $12.2 million
in 1999, 1998 and 1997, respectively. In 2000, Gallagher expects to make
capital expenditures of approximately $17.0 million. Capital expenditures by
Gallagher are related primarily to office moves and expansions and updating
computer systems and equipment.

  In 1988, Gallagher adopted a plan that has been extended through June 30,
2000 to repurchase its common stock. Under the plan, Gallagher repurchased
762,000 shares at a cost of $18.4 million, 430,000 shares at a cost of $8.7
million and 1,044,000 shares at a cost of $17.1 million in 1999, 1998 and 1997,
respectively. The repurchased shares are held for reissuance in connection with
exercises of options under Gallagher's stock option plans. Under the provisions
of the plan, Gallagher is authorized to repurchase approximately 1,540,000
additional shares through June 30, 2000. Gallagher is under no commitment or
obligation to repurchase any particular amount of common stock and at its
discretion may suspend the repurchase plan at any time.

  Effective with changes in the United States federal income tax laws in 1997,
Gallagher no longer provides for federal income taxes on the undistributed
earnings of its foreign subsidiaries which are considered permanently invested
outside the United States. At December 31, 1999, Gallagher had $22.0 million of
undistributed earnings from its foreign subsidiaries. See Note 11 to the
Consolidated Financial Statements. Although not considered available for
domestic needs, the undistributed earnings generated by certain foreign
subsidiaries referred to above may be used to finance foreign operations and
acquisitions.

Year 2000

  Computer programs that have time sensitive software may have recognized the
date "00" as the Year 1900, rather than the Year 2000, which could have
resulted in system failures or miscalculations causing disruptions of
operations (the "Y2K" problem).

  With respect to the Y2K problem, Gallagher completed the necessary
modifications or replacements of its existing software so that its computer
systems would function properly in the Year 2000 and beyond. Generally, these
modifications and replacements and the associated costs were contemplated with
normal enhancements and improvements being made in conjunction with updating
financial reporting and operating

                                       15
<PAGE>

systems. It is estimated that Gallagher spent less than $1.0 million in the
aggregate from 1997 through 1999 for specific Y2K "fixes" outside the routine
efforts discussed above.

  At the time of change from the Year 1999 to the Year 2000 and forward,
Gallagher has neither experienced major internal system failures nor been
materially affected by compliance problems with the systems of business
partners, vendors or clients. Gallagher believes it has successfully weathered
any Y2K problems, but continues to monitor its internal systems and maintains
an awareness of any problems which could arise with the systems of business
partners, vendors or clients.

Item 7A. Quantitative and Qualitative Disclosures About Market Risk.

  Gallagher is exposed to various market risks, including changes in interest
rates and foreign currency exchange rates. Market risk is the potential loss
arising from adverse changes in market rates and prices, such as interest and
foreign currrency exchange rates and equity prices. Gallagher does not enter
into derivatives or other similar financial instruments for trading or
speculative purposes. The following analysis presents the hypothetical loss in
fair value of the financial instruments held by Gallagher at December 31, 1999
and 1998, that are sensitive to changes in interest rates and equity prices.
The range of changes in interest rates used in the analysis reflects
Gallagher's view of changes that are reasonably possible over a one year
period. This discussion of market risks related to Gallagher's consolidated
balance sheet includes estimates of future economic environments caused by
changes in market risks. The effect of actual changes in these risk factors may
differ materially from Gallagher's estimates. In the ordinary course of
business, Gallagher also faces risks that are either nonfinancial or
nonquantifiable, including credit risk and legal risk. These are not included
in the following analysis.

  Gallagher has a comprehensive and diversified investment portfolio.
Gallagher's invested assets are held as cash and cash equivalents, investment
strategies--trading and marketable securities--available for sale. Accordingly,
these assets are subject to various market risk exposures such as interest rate
risk and equity price risk.

  The fair value of Gallagher's cash and cash equivalents investment portfolio
at December 31, 1999 and 1998 approximated its carrying value due to its short-
term duration. Market risk was estimated as the potential decrease in fair
value resulting from a hypothetical one percentage point increase in interest
rates for the instruments contained in the cash and cash equivalents investment
portfolio. The resulting fair value was not materially different from the
carrying values at December 31, 1999 and 1998, respectively.

  At December 31, 1999 and 1998, the fair value of Gallagher's investment
strategies--trading portfolio was $63.9 million and $57.4 million,
respectively. From an investment management perspective, this portfolio, which
is managed by several outside fund managers, consists of two different
components; an equity portfolio of $6.2 million and $7.3 million and an
alternative investment strategies portfolio of $57.7 million and $50.1 million
at December 31, 1999 and 1998, respectively.

  The equity portfolio is subject to equity price risk. It is not hedged,
consists of common stocks and is primarily managed to produce realized gains
for Gallagher. The estimated potential loss in fair value of this equity
component resulting from a hypothetical decrease in prices quoted by stock
exchanges of 10% would be approximately $620,000 and $730,000 at December 31,
1999 and 1998, respectively.

  Gallagher's alternative investment strategies portfolio is also subject to
equity pricing risk. However, these investments are actively managed in order
to minimize Gallagher's exposure to equity pricing risk. The objective of this
portfolio is to maximize the overall return to Gallagher, while minimizing the
downward price risk in order to preserve the investments' underlying principal
balances. The outside fund managers for these alternative investment strategies
hedge their strategies by "selling short" common equity securities in order to
mitigate the effects of changes in equity prices thereby making any such
fluctuations immaterial. Accordingly, hypothetical changes in equity prices
would not cause the resulting fair value to be materially different from the
carrying value for this portfolio at December 31, 1999 and 1998, respectively.

                                       16
<PAGE>

  The fair value of Gallagher's marketable securities--available for sale
portfolio was $20.3 million ($4.4 million less than its aggregate amortized
cost) and $20.1 million ($1.3 million less than its aggregate amortized costs)
at December 31, 1999 and 1998, respectively. The overall objective of this
portfolio is to provide Gallagher with a stable after tax yield. This
portfolio, which is not hedged, consists primarily of dividend yielding
preferred stocks. Accordingly, this portfolio is more sensitive to interest
rate risk than it is to equity pricing risk. The estimated potential loss in
fair value resulting from a hypothetical one percentage point increase in
short-term interest rates would be approximately $2.2 million at December 31,
1999 and 1998.

  At December 31, 1999 and 1998, the fair value of Gallagher's borrowings under
the line of credit facilities approximated the carrying value due to their
short-term duration and variable interest rates. Market risk was estimated as
the potential increase in the fair value resulting from a hypothetical one
percentage point decrease in Gallagher's weighted average short-term borrowing
rate at December 31, 1999 and 1998, and the resulting fair value was not
materially different from the year-end carrying value.

  Gallagher is subject to foreign currency exchange rate risk primarily due to
the fact that its United Kingdom based subsidiaries incur expenses denominated
in British pounds while receiving their revenues in United States dollars.
Gallagher does not hedge this foreign currency exchange rate risk. The foreign
currency gains (losses) related to this market risk are recorded in earnings
before income taxes as they are incurred. Assuming a hypothetical adverse
change of 10% in the average foreign currency exchange rate for 1999 and 1998
(a weakening of the U.S. dollar), earnings before income taxes would decrease
by approximately $2.9 million and $2.5 million, respectively. Gallagher is also
subject to foreign currency exchange rate risk associated with the translation
of its foreign subsidiaries into United States dollars. However, it is
management's opinion that this foreign currency exchange risk is not material
to Gallagher's consolidated operating results or financial position. Gallagher
manages the balance sheets of its foreign subsidiaries such that foreign
liabilities are matched with equal foreign assets thereby maintaining a
"balanced book" which minimizes the effects of currency fluctuations.

Safe Harbor Statement Under the Private Securities Litigation Reform Act of
1995

  This annual report contains forward-looking statements. Forward-looking
statements made by or on behalf of Gallagher are subject to risks and
uncertainties, including but not limited to the following: Gallagher's
commission revenues are highly dependent on premiums charged by insurers, which
are subject to fluctuation; the property/casualty insurance industry continues
to experience a prolonged soft market (low premium rates) thereby holding down
commissions; lower interest rates will reduce Gallagher's income earned on
invested funds; the alternative insurance market continues to grow which could
unfavorably impact commission but favorably impact fee revenue; Gallagher's
revenues vary significantly from period to period as a result of the timing of
policy inception dates and the net effect of new and lost business production;
the general level of economic activity can have a substantial impact on
Gallagher's renewal business; Gallagher's operating results and financial
position may be adversely impacted by exposure to various market risks such as
interest rate, equity pricing and foreign exchange rates; and Gallagher's Year
2000 compliance efforts depend upon compliance efforts of Gallagher's business
partners, vendors and clients. Gallagher's ability to grow has been enhanced
through acquisitions, which may or may not be available on acceptable terms in
the future and which, if consummated, may or may not be advantageous to
Gallagher. Accordingly, actual results may differ materially from those set
forth in the forward-looking statements.

                                       17
<PAGE>

Item 8. Financial Statements and Supplementary Data.

              INDEX TO FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

<TABLE>
<CAPTION>
                                                                           Pages
                                                                           -----
<S>                                                                        <C>
Consolidated Financial Statements:
  Consolidated Statement of Earnings......................................    19
  Consolidated Balance Sheet..............................................    20
  Consolidated Statement of Cash Flows....................................    21
  Consolidated Statement of Stockholders' Equity..........................    22
  Notes to Consolidated Financial Statements.............................. 23-39
Management's Report.......................................................    40
Report of Independent Auditors............................................    41
</TABLE>

                                       18
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

                       CONSOLIDATED STATEMENT OF EARNINGS

<TABLE>
<CAPTION>
                                                       Year Ended December 31,
                                                      --------------------------
                                                        1999     1998     1997
                                                      -------- -------- --------
                                                      (in thousands, except per
                                                             share data)
<S>                                                   <C>      <C>      <C>
Operating Results
Revenues:
  Commissions.......................................  $342,922 $328,644 $305,725
  Fees..............................................   234,629  212,031  184,956
  Investment income and other.......................    28,285   18,972   24,930
  Non-recurring gains...............................       --       --     8,993
                                                      -------- -------- --------
    Total revenues..................................   605,836  559,647  524,604
                                                      -------- -------- --------
Expenses:
  Salaries and employee benefits....................   312,690  291,130  267,572
  Other operating expenses..........................   188,911  182,240  171,350
                                                      -------- -------- --------
    Total expenses..................................   501,601  473,370  438,922
                                                      -------- -------- --------
Earnings before income taxes........................   104,235   86,277   85,682
Provision for income taxes..........................    36,482   28,140   28,101
                                                      -------- -------- --------
    Net earnings....................................  $ 67,753 $ 58,137 $ 57,581
                                                      ======== ======== ========
Net earnings per common share.......................  $   1.85 $   1.61 $   1.64
Net earnings per common and common equivalent share.      1.76     1.54     1.59
Dividends declared per common share.................       .80      .70      .62
</TABLE>




                See notes to consolidated financial statements.

                                       19
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

                           CONSOLIDATED BALANCE SHEET

<TABLE>
<CAPTION>
                                                              December 31,
                                                            ------------------
                                                              1999      1998
                                                            --------  --------
                                                             (in thousands)
                          ASSETS
                          ------
<S>                                                         <C>       <C>
Current assets:
  Cash and cash equivalents................................ $ 61,088  $ 65,005
  Restricted cash..........................................  108,867    90,560
  Premiums and fees receivable.............................  364,854   293,889
  Investment strategies--trading...........................   63,857    57,368
  Other....................................................   44,176    37,535
                                                            --------  --------
    Total current assets...................................  642,842   544,357
Marketable securities--available for sale..................   20,274    20,089
Deferred income taxes and other noncurrent assets..........  173,886   151,482
Fixed assets...............................................  112,350   100,368
Accumulated depreciation and amortization..................  (76,101)  (68,399)
                                                            --------  --------
    Net fixed assets.......................................   36,249    31,969
Intangible assets--net.....................................   10,895    12,541
                                                            --------  --------
                                                            $884,146  $760,438
                                                            ========  ========
<CAPTION>
           LIABILITIES AND STOCKHOLDERS' EQUITY
           ------------------------------------
<S>                                                         <C>       <C>
Current liabilities:
  Premiums payable to insurance companies.................. $466,747  $381,008
  Accrued salaries and bonuses.............................   21,595    21,940
  Accounts payable and other accrued liabilities...........   91,607    92,154
  Unearned fees............................................   15,537    13,616
  Income taxes payable.....................................    8,530    12,621
  Other....................................................   21,665    20,649
                                                            --------  --------
    Total current liabilities..............................  625,681   541,988
Other noncurrent liabilities...............................   15,998    12,963
Stockholders' equity:
  Common stock--issued and outstanding 36,840 shares in
   1999 and 36,346 shares in 1998..........................   36,840    36,346
  Capital in excess of par value...........................      --     (2,770)
  Retained earnings........................................  208,296   172,688
  Accumulated other comprehensive earnings (loss)..........   (2,669)     (777)
                                                            --------  --------
    Total stockholders' equity.............................  242,467   205,487
                                                            --------  --------
                                                            $884,146  $760,438
                                                            ========  ========
</TABLE>

                See notes to consolidated financial statements.

                                       20
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

                      CONSOLIDATED STATEMENT OF CASH FLOWS

<TABLE>
<CAPTION>
                                                   Years Ended December 31,
                                                  ----------------------------
                                                    1999      1998      1997
                                                  --------  --------  --------
                                                        (in thousands)
<S>                                               <C>       <C>       <C>
Cash flows from operating activities:
  Net earnings................................... $ 67,753  $ 58,137  $ 57,581
  Adjustments to reconcile net earnings to net
   cash provided by operating activities:
    Net gain on investments and other............   (6,011)   (4,144)   (4,938)
    Gain on sales of operations..................       --        --    (7,203)
    Gain on real estate transaction..............       --        --    (1,790)
    Depreciation and amortization................   15,300    12,143    11,632
    (Increase) decrease in restricted cash.......  (18,307)   (8,045)    7,887
    (Increase) decrease in premiums receivable...  (70,010)  (58,035)   15,952
    Increase (decrease) in premiums payable......   85,739    51,821   (10,834)
    (Increase) decrease in trading investments--
     net.........................................   (4,021)    6,963    (6,217)
    (Increase) decrease in other current assets..   (5,590)    5,620    (6,466)
    (Decrease) increase in accrued salaries and
     bonuses.....................................     (345)    3,328     3,539
    (Decrease) increase in accounts payable and
       other accrued liabilities.................   (1,739)     (102)   19,473
    (Decrease) increase in income taxes payable..   (4,091)    1,775     5,781
    Net change in deferred income taxes..........    1,112    (4,942)   (9,604)
    Other........................................    3,864    (9,075)   (2,088)
                                                  --------  --------  --------
      Net cash provided by operating activities..   63,654    55,444    72,705
                                                  --------  --------  --------
Cash flows from investing activities:
  Purchases of marketable securities.............  (44,009)  (33,331)  (30,170)
  Proceeds from sales of marketable securities...   39,778    47,665    30,368
  Proceeds from maturities of marketable
   securities....................................    1,495     2,600     1,645
  Net additions to fixed assets..................  (16,560)  (13,285)  (12,228)
  Proceeds from sales of operations and other....       --        --     8,993
  Other..........................................  (20,586)  (52,299)  (34,620)
                                                  --------  --------  --------
      Net cash used by investing activities......  (39,882)  (48,650)  (36,012)
                                                  --------  --------  --------
Cash flows from financing activities:
  Proceeds from issuance of common stock.........   16,029    13,655    10,964
  Tax benefit from issuance of common stock......    5,502     4,273     2,429
  Repurchases of common stock....................  (18,428)   (8,651)  (17,126)
  Dividends paid.................................  (28,010)  (23,185)  (19,990)
  Retirement of long-term debt...................       --    (1,130)   (1,130)
  Borrowings on line of credit facilities........   98,500    75,000    30,900
  Repayments on line of credit facilities........  (98,500)  (75,000)  (25,900)
  Equity transactions of pooled companies prior
   to dates of acquisition.......................   (2,782)   (7,817)   (1,821)
                                                  --------  --------  --------
      Net cash used by financing activities......  (27,689)  (22,855)  (21,674)
                                                  --------  --------  --------
Net (decrease) increase in cash and cash
 equivalents.....................................   (3,917)  (16,061)   15,019
Cash and cash equivalents at beginning of year...   65,005    81,066    66,047
                                                  --------  --------  --------
Cash and cash equivalents at end of year......... $61,088   $ 65,005  $ 81,066
                                                  ========  ========  ========
Supplemental disclosures of cash flow
 information:
  Interest paid.................................. $  1,182  $  1,390  $  1,132
  Income taxes paid..............................   26,003    20,410    24,460
</TABLE>

                See notes to consolidated financial statements.

                                       21
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

                 CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY

<TABLE>
<CAPTION>
                                                                  Accumulated
                                             Capital                 Other
                           Common Stock     In Excess            Comprehensive      Total
                          ---------------      Of      Retained    Earnings     Stockholders'
                          Shares  Amount    Par Value  Earnings     (Loss)         Equity
                          ------  -------   ---------  --------  -------------  -------------
                                                 (in thousands)

<S>                       <C>     <C>       <C>        <C>       <C>            <C>
Balance at December 31,
 1996 as previously
 reported...............  34,066  $34,066    $(11,766) $112,704    $       889     $  135,893
 Acquisition of pooled
  companies.............   1,056    1,056        (936)    3,734            --           3,854
<CAPTION>
                          ------  -------   ---------  --------  -------------  -------------
Balance at December 31,
 1996...................  35,122   35,122     (12,702)  116,438            889        139,747
                                                                                -------------
 Net earnings...........     --       --          --     57,581            --          57,581
 Net change in
  unrealized gain (loss)
  on available for sale
  securities............     --       --          --        --             769            769
                                                                                -------------
Comprehensive earnings                                                                 58,350
 Cash dividends declared
  on common stock.......     --       --          --    (20,408)           --         (20,408)
 Common stock issued
  under stock option
  plans.................   1,114    1,114       9,850       --             --          10,964
 Tax benefit from
  issuance of common
  stock.................     --       --        2,429       --             --           2,429
 Common stock
  repurchases...........  (1,044)  (1,044)    (10,627)   (5,455)           --         (17,126)
 Common stock issued in
  two pooling
  acquisitions..........     198      198         --        --             --             198
 Equity transactions of
  pooled companies prior
  to dates of
  acquisition...........     --       --          (18)   (1,803)           --          (1,821)
                          ------  -------   ---------  --------  -------------  -------------
Balance at December 31,
 1997...................  35,390   35,390     (11,068)  146,353          1,658        172,333
<CAPTION>
                                                                                -------------
 Net earnings...........     --       --          --     58,137            --          58,137
 Net change in
  unrealized gain (loss)
  on available for sale
  securities............     --       --          --        --          (2,435)        (2,435)
                                                                                -------------
Comprehensive earnings                                                                 55,702
 Cash dividends declared
  on common stock.......     --       --          --    (24,218)           --         (24,218)
 Common stock issued
  under stock option
  plans.................   1,176    1,176      12,479       --             --          13,655
 Tax benefit from
  issuance of common
  stock.................     --       --        4,273       --             --           4,273
 Common stock
  repurchases...........    (430)    (430)     (8,221)      --             --          (8,651)
 Common stock issued in
  six pooling
  acquisitions..........     210      210         --        --             --             210
 Equity transactions of
  pooled companies prior
  to dates of
  acquisition...........     --       --         (233)   (7,584)           --          (7,817)
                          ------  -------   ---------  --------  -------------  -------------
Balance at December 31,
 1998...................  36,346   36,346      (2,770)  172,688           (777)       205,487
                                                                                -------------
 Net earnings...........     --       --          --     67,753            --          67,753
 Net change in
  unrealized gain (loss)
  on available for sale
  securities............     --       --          --        --          (1,892)        (1,892)
                                                                                -------------
Comprehensive earnings                                                                 65,861
 Cash dividends declared
  on common stock.......     --       --          --    (29,202)           --         (29,202)
 Common stock issued
  under stock option
  plans.................   1,256    1,256      14,773       --             --          16,029
 Tax benefit from
  issuance of common
  stock.................     --       --        5,502       --             --           5,502
 Common stock
  repurchases...........    (762)    (762)    (17,666)      --             --         (18,428)
 Equity transactions of
  pooled companies prior
  to dates of
  acquisition...........     --       --          161    (2,943)           --          (2,782)
                          ------  -------   ---------  --------  -------------  -------------
Balance at December 31,
 1999...................  36,840  $36,840    $    --   $208,296    $    (2,669)    $  242,467
                          ======  =======   =========  ========  =============  =============
</TABLE>

                See notes to consolidated financial statements.

                                       22
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. Summary of Significant Accounting Policies

 Nature of operations

  Arthur J. Gallagher & Co. (Gallagher) provides insurance brokerage and risk
management services to a wide variety of commercial, industrial, institutional
and governmental organizations. Commission revenue is principally generated
through the negotiation and placement of insurance for its clients. Fee revenue
is primarily generated by providing other risk management services including
claims management, information management, risk control services and appraisals
in either the property/casualty market or human resource/employee benefit
market. Gallagher operates through approximately 200 offices throughout the
United States and six countries abroad.

 Basis of presentation

  The accompanying consolidated financial statements include the accounts of
Gallagher and all of its majority owned subsidiaries. Investments in partially
owned entities in which ownership is 20% to 50% are accounted for using the
equity method. Accordingly, Gallagher's share of the net earnings of these
entities is included in consolidated net earnings. Investments in partially
owned entities in which ownership is less than 20% are carried at cost. All
material intercompany accounts and transactions have been eliminated in
consolidation. Certain reclassifications have been made to the prior years'
financial statements in order to conform to the current year presentation.

 Use of estimates

  The preparation of the consolidated financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the amounts reported in the financial statements
and accompanying notes. Such estimates and assumptions could change in the
future as more information becomes known which could impact the amounts
reported and disclosed herein.

 Revenue recognition

  Commission income is generally recognized as of the effective date of
insurance policies except for commissions on installment premiums which are
recognized periodically as billed. Contingent commissions are generally
recognized when received. Fee income is primarily recognized ratably as
services are rendered. The income effects of subsequent premium and fee
adjustments are recorded when the adjustments become known. Premiums and fees
receivable are net of allowance for doubtful accounts of $905,000 and
$1,500,000 at December 31, 1999 and 1998, respectively.

 Earnings per share

  Earnings per share is computed based on the weighted average number of common
and common equivalent shares outstanding during the respective period. Common
equivalent shares include incremental shares from dilutive stock options, which
are calculated from the date of grant under the treasury stock method using the
average market price for the period.

 Consolidated statement of cash flows

  Short-term investments, consisting principally of commercial paper and
certificates of deposit which have a maturity of ninety days or less at date of
purchase, are considered cash equivalents.


                                       23
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

1. Summary of Significant Accounting Policies--(Continued)

 Restricted cash

  In its capacity as an insurance broker, Gallagher collects premiums from
insureds and, after deducting its commissions and/or fees, remits these
premiums to insurance carriers. Unremitted insurance premiums are held in a
fiduciary capacity until disbursed by Gallagher. Various state and foreign
agencies that regulate insurance brokers provide specific requirements that
limit the type of investments that may be made with such funds. Accordingly
Gallagher invests these funds in cash, money market accounts, commercial paper
and certificates of deposit. Gallagher earns interest income on these
unremitted funds, which is reported as investment income and other in the
accompanying consolidated statement of earnings.

  Premiums collected from insureds but not yet remitted to insurance carriers
are restricted as to use by laws in certain states and foreign jurisdictions in
which Gallagher's subsidiaries operate. These unremitted amounts are reported
as restricted cash in the accompanying consolidated balance sheet, with the
related liability reported as premiums payable to insurance companies.
Additionally, one of Gallagher's United Kingdom subsidiaries is required by
Lloyd's of London to meet certain liquidity requirements.

 Investments

  Investment strategies are considered trading securities and consist primarily
of limited partnerships which invest in common stocks. Securities designated as
trading are carried at fair value in the accompanying consolidated balance
sheet, with unrealized gains and losses included in the consolidated statement
of earnings. The fair value of investment strategies is determined by reference
to the fair values of the underlying common stocks which are based on quoted
market prices.

  Marketable securities are considered available for sale and consist primarily
of preferred and common stocks. Securities designated as available for sale are
carried at fair value in the accompanying consolidated balance sheet, with
unrealized gains and losses, less related deferred income taxes, excluded from
net earnings and reported as accumulated other comprehensive earnings or loss.
Gains and losses are recognized in net earnings when realized using the
specific identification method. The fair value for marketable securities is
based on quoted market prices.

 Fixed assets

  Fixed assets are carried at cost in the accompanying consolidated balance
sheet. Furniture and equipment with a cost of $97,762,000 and $88,329,000 at
December 31, 1999 and 1998, respectively, are depreciated using the straight-
line method over the estimated useful lives (three to ten years) of the assets.
Leasehold improvements with a cost of $14,588,000 and $12,039,000 at December
31, 1999 and 1998, respectively, are amortized using the straight-line method
over the shorter of the estimated useful lives of the assets or the lease
terms. Gallagher periodically reviews long-lived assets for impairment whenever
events or changes in business circumstances indicate that the carrying value of
the assets may not be recoverable. If the fair value is less than the carrying
amount of the asset, a loss would be recognized for the difference.

 Intangible assets

  Intangible assets consist of the excess of cost over the value of net
tangible assets of acquired businesses, non-compete agreements and expiration
lists. The excess of cost over the value of net tangible assets is amortized
over fifteen to forty years using the straight-line method. Non-compete
agreements and expiration lists are amortized over three to ten years using the
straight-line method. Accumulated amortization at December 31, 1999 and 1998
was $6,852,000 and $4,640,000, respectively. Amortization expense was
$3,020,000, $1,062,000 and $1,061,000 for 1999, 1998 and 1997, respectively.
Gallagher periodically reviews intangible assets for impairment whenever events
or changes in business circumstances indicate that the carrying value of the
assets may not be recoverable. If the fair value is less than the carrying
amount of the asset, a loss would be recognized for the difference.

                                       24
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

1. Summary of Significant Accounting Policies--(Continued)

 Stock based compensation

  Gallagher primarily grants stock options for a fixed number of shares to
employees with an exercise price equal to the fair value of the shares at the
date of grant. Gallagher accounts for stock option grants in accordance with
Accounting Principles Board Opinion No. 25 (APB 25), "Accounting for Stock
Issued to Employees," and, accordingly, recognizes no compensation expense for
these stock options granted to employees.

 Per common share information

  In January 2000, the Board of Directors declared a two-for-one stock split of
Gallagher's common stock, effected in the form of a 100% stock dividend paid on
March 15, 2000 to shareholders of record as of March 1, 2000. As a result of
this action, par value of the common stock remains at $1.00 per share. All
information relating to the number of common shares and per common share
amounts in the accompanying consolidated financial statements and notes thereto
have been restated to give retroactive effect to the stock split for all
periods presented. Accordingly, $18,420,000 in the aggregate was transferred to
common stock from capital in excess of par value ($15,835,000) and retained
earnings ($2,585,000) in the accompanying December 31, 1999 consolidated
balance sheet.

 Effect of new pronouncements

  In 1998, the Financial Accounting Standards Board (FASB) issued Statement of
Financial Accounting Standards No. 133 (SFAS 133), "Accounting for Derivative
Instruments and Hedging Activities," which was effective for fiscal years
beginning after June 15, 1999. In June 1999, the FASB issued Statement of
Financial Accounting Standards No. 137, which amends SFAS 133 to defer the
effective date to fiscal years beginning after June 15, 2000. Because of
Gallagher's minimal use of derivatives, management does not anticipate that the
adoption of SFAS 133 will have a significant effect on Gallagher's consolidated
operating results or financial position.

  In 1998, the Accounting Standards Executive Committee of the AICPA issued
Statement of Position 98-1 (SOP 98-1), "Accounting for the Costs of Computer
Software Developed or Obtained for Internal Use." SOP 98-1, which has been
adopted prospectively as of January 1, 1999, requires the capitalization of
certain costs incurred in connection with developing or obtaining internal use
software. Prior to the adoption of SOP 98-1, Gallagher expensed all costs
related to software developed or obtained for internal use as incurred. The
effect of adopting SOP 98-1 was not material to Gallagher's consolidated
operating results or financial position.

2. Business Combinations

  In 1999, Gallagher acquired substantially all of the net assets of the
following insurance brokerage firms in exchange for its common stock: Goodman
Insurance Agency, Inc., 315,000 shares; Dodson-Bateman & Company, 295,000
shares; Associated Risk Managers of California, Insurance Producers, dba ARM of
California, 198,000 shares; and Sternfels Insurance Agency, Inc., 96,000
shares. In addition, Gallagher acquired substantially all of the net assets of
the following benefit consulting firms in 1999 in exchange for its common
stock: Group Benefit Concepts, Inc., 91,000 shares; and Stanley E. Clarke &
Associates, Inc., 61,000 shares. In 1998, Gallagher acquired substantially all
of the net assets of twelve insurance brokerage firms and one benefits
consulting company in exchange for 1,362,000 shares of its common stock. These
acquisitions were accounted for as poolings of interests and, except for six of
the 1998 acquisitions whose results were not significant, the consolidated
financial statements for all periods prior to the acquisition dates have been
restated to include the operations of these companies.


                                       25
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

2. Business Combinations--(Continued)

  The following summarizes the restatement of the 1998 and 1997 consolidated
financial statements to reflect the operations of the 1999 acquisitions (in
thousands, except per share data):

<TABLE>
<CAPTION>
                                                   As     Attributable
                                               Previously  to Pooled      As
1998                                            Reported   Companies   Restated
- ----                                           ---------- ------------ --------
<S>                                            <C>        <C>          <C>
Total revenues................................  $544,432      $ 15,215 $559,647
Net earnings..................................    56,642         1,495   58,137
Net earnings per common share.................      1.61           --      1.61
Net earnings per common and common equivalent
 share........................................      1.54           --      1.54

1997
- ----
Total revenues................................  $511,917      $ 12,687 $524,604
Net earnings..................................    55,585         1,996   57,581
Net earnings per common share.................      1.63           .01     1.64
Net earnings per common and common equivalent
 share........................................      1.58           .01     1.59
</TABLE>

  In 1999, Gallagher acquired substantially all of the net assets of R.W. Thom
& Company, Inc., an insurance brokerage firm, in exchange for a cash payment of
$250,000. This acquisition was accounted for as a purchase. In 1998, Gallagher
acquired substantially all of the net assets of three insurance brokerage firms
in exchange for initial cash payments of $1,920,000 and contingent notes
payable of $1,600,000. These acquisitions were also accounted for as purchases.
These purchase acquisitions were not material to either the 1999 or 1998
consolidated financial statements.

3. Investments

  The following is a summary of marketable securities--available for sale (in
thousands):

<TABLE>
<CAPTION>
                                         Cost or    Gross      Gross
                                        Amortized Unrealized Unrealized   Fair
December 31, 1999                         Cost       Gains     Losses    Value
- -----------------                       --------- ---------- ---------- --------
<S>                                     <C>       <C>        <C>        <C>
Preferred stocks....................... $  15,583   $    225   $  1,997 $ 13,811
Common stocks..........................     4,975         37      2,567    2,445
Fixed maturities.......................     4,164         26        172    4,018
                                        --------- ---------- ---------- --------
                                        $  24,722   $    288   $  4,736 $ 20,274
                                        ========= ========== ========== ========
December 31, 1998
- -----------------
Preferred stocks....................... $  14,488   $    528   $    646 $ 14,370
Common stocks..........................     4,735         57      1,218    3,574
Fixed maturities.......................     2,161         71         87    2,145
                                        --------- ---------- ---------- --------
                                        $  21,384   $    656   $  1,951 $ 20,089
                                        ========= ========== ========== ========
</TABLE>

  The gross realized gains on sales of marketable securities totaled
$1,579,000, $3,054,000, and $2,257,000 for 1999, 1998 and 1997, respectively.
The gross realized losses totaled $1,051,000, $1,179,000, and $346,000 for
1999, 1998 and 1997, respectively.

                                       26
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

3. Investments--(Continued)

  The cost or amortized cost and fair value of fixed maturities at December 31,
1999, by contractual maturity, are as follows (in thousands):

<TABLE>
<CAPTION>
                                                              Cost or
                                                             Amortized   Fair
                                                               Cost     Value
                                                             --------- --------
<S>                                                          <C>       <C>
Due in 2000................................................. $    132  $    130
Due in 2001 through 2004....................................    1,556     1,507
Due in 2005 through 2009....................................      115       113
Due in 2010 and thereafter..................................    2,361     2,268
                                                             --------- --------
                                                             $  4,164  $  4,018
                                                             ========= ========
</TABLE>

  The expected maturities may differ from contractual maturities in the
foregoing table because borrowers may have the right to call or prepay
obligations with or without call or prepayment penalties.

  The following is a summary of deferred income taxes and other noncurrent
assets (in thousands):

<TABLE>
<CAPTION>
                                                                December 31,
                                                             ------------------
                                                               1999      1998
                                                             --------- --------
<S>                                                          <C>       <C>
Tax advantaged investments.................................. $ 61,357  $ 51,400
Assets related to equity investments........................   25,013    20,276
Real estate partnerships....................................   13,332    10,732
Notes receivable from investees.............................   37,206    33,335
Noncurrent deferred income taxes............................   21,625    21,669
Other investments...........................................   10,087     9,466
Deferred compensation plan assets...........................    2,419       --
Other.......................................................    2,847     4,604
                                                             --------- --------
                                                             $173,886  $151,482
                                                             ========= ========
</TABLE>

  Tax advantaged investments represent amounts invested by Gallagher in limited
partnerships that operate qualified affordable housing or alternative energy
projects. Gallagher receives tax benefits in the form of tax deductions for
operating losses and tax credits from these investments. The tax advantaged
investments are primarily accounted for using the effective yield method and
are carried at amortized cost in the consolidated balance sheet. Under the
effective yield method, Gallagher recognizes the tax credits as they are
allocated by the partnerships, which are included, net of amortization of the
investment, as a component of the provision for income taxes. During 1999 and
1998, Gallagher received tax benefits related to $37,180,000 and $20,159,000 of
the aggregate amount invested in the tax advantaged investments at December 31,
1999 and 1998, respectively. Investments in real estate partnerships primarily
represent an investment in a limited partnership that owns 10,000 acres of land
to be developed near Orlando, Florida. Investments in real estate partnerships
are carried at cost in the consolidated balance sheet, which approximated fair
value at December 31, 1999 and 1998. Notes receivable from investees represent
secured loans made by Gallagher to several of its equity and limited
partnership investments. Interest rates on the loans at December 31, 1999 and
1998 ranged from 6% to 10.5%. The carrying value of these loans at December 31,
1999 and 1998 approximated fair value.

                                       27
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

3. Investments--(Continued)

  Significant components of investment income and other, including non-
recurring gains, are as follows (in thousands):

<TABLE>
<CAPTION>
                                                       Years Ended December 31,
                                                       ------------------------
                                                        1999    1998     1997
                                                       ------- -------  -------
<S>                                                    <C>     <C>      <C>
Interest.............................................. $15,889 $11,577  $14,754
Dividends.............................................   2,345   2,809    3,814
Net realized and unrealized gains.....................   6,011   4,144    4,938
Other income..........................................   1,982   1,187    1,155
Income (loss) from equity investments.................   2,058    (745)     269
Non-recurring gains...................................     --      --     8,993
                                                       ------- -------  -------
Total investment income and other..................... $28,285 $18,972  $33,923
                                                       ======= =======  =======
</TABLE>

  The net change in unrealized gain (loss) on investment strategies included in
the foregoing table amounted to $889,000 in 1999, ($611,000) in 1998 and
($1,813,000) in 1997. In 1999, Gallagher sold a portion of its interests in
limited partnerships that operate qualified affordable housing projects for
cash proceeds of $6,264,000. The gain recognized in 1999 on this sale of
limited partnership interests was $3,015,000, which has been included in net
realized and unrealized gains in the foregoing table. In 1997, Gallagher sold
several underperforming or geographically undesirable operations and recorded
aggregate gains on these sales of $7,203,000. The gains on these sales of
operations have been reported as non-recurring gains. The net assets sold and
the operating results included in the consolidated statement of earnings
related to these operations were not material to the consolidated financial
statements. Also in 1997, Gallagher recorded a gain on a real estate
transaction of $1,790,000, which has also been reported as a non-recurring
gain.

  The components of other comprehensive earnings, including the related income
tax effects, consist of the following (in thousands):

<TABLE>
<CAPTION>
                                                     Years Ended December 31,
                                                     ------------------------
                                                      1999     1998     1997
                                                     -------  -------  ------
<S>                                                  <C>      <C>      <C>
Change in unrealized gain (loss) on available for
 sale securities during the year, net of income
 taxes of ($1,251), ($844) and $872, respectively..  $(1,877) $(1,267) $1,308
Reclassification adjustment for gains realized in
 net earnings during the year, net of income
 taxes of ($10), ($778) and ($360), respectively...      (15)  (1,168)   (539)
                                                     -------  -------  ------
Net change in unrealized gain (loss) on available
 for sale securities during the year, net of income
 taxes of ($1,261), ($1,622) and $512,
 respectively......................................  $(1,892) $(2,435) $  769
                                                     =======  =======  ======
</TABLE>

4. Credit Agreements

  Gallagher maintains a $20,000,000 variable rate (based on LIBOR plus .4%)
unsecured revolving credit agreement which expires on June 30, 2001. As of
December 31, 1999 and 1998, there were no borrowings outstanding under this
agreement. Terms of the revolving credit agreement include various covenants
which require Gallagher to maintain specified levels of tangible net worth and
restrict the amount of payments on certain expenditures. Gallagher was in
compliance with these covenants as of December 31, 1999 and 1998.

  Gallagher also has three variable rate line of credit facilities which total
$45,000,000 in the aggregate and expire on April 30, 2000. Short-term
borrowings under these facilities totaled $15,000,000 at December 31, 1999 and
1998. The weighted average interest rate on the short-term borrowings were 6.1%
and 5.9% during 1999 and 1998, respectively.

                                       28
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)


5. Capital Stock and Stockholders' Rights Plan

 Capital Stock

  The table below summarizes certain information about Gallagher's capital
stock at December 31, 1999 and 1998 (in thousands, except per share data):

<TABLE>
<CAPTION>
                                                                Par   Authorized
Class                                                          Value    Shares
- -----                                                          ------ ----------
<S>                                                            <C>    <C>
Preferred stock............................................... No par      1,000
Common stock.................................................. $ 1.00    100,000
</TABLE>

 Stockholders' Rights Plan

  Non-voting Rights, authorized by the Board of Directors on March 10, 1987 and
approved by stockholders on May 12, 1987, are outstanding on each share of
outstanding common stock. The Rights Plan was amended in 1996 to extend the
expiration of the Rights to May 12, 2007. Under certain conditions, each Right
may be exercised to purchase one share of common stock at an exercise price of
$50. The Rights become exercisable and transferable after a public announcement
that a person or group (as defined) has acquired 20% or more of the common
stock or after commencement or public announcement of a tender offer for 30% or
more of the common stock. If Gallagher is acquired in a merger or business
combination, each Right exercised gives the holder the right to purchase $100
of market value of common stock of the surviving company for the $50 exercise
price. The Rights may be redeemed by Gallagher at $.025 per Right at any time
prior to the public announcement of the acquisition of 20% of the common stock.

6. Earnings Per Share

  The following table sets forth the computation of net earnings per common
share and net earnings per common and common equivalent share (in thousands,
except per share data):

<TABLE>
<CAPTION>
                                                       Years Ended December 31,
                                                      --------------------------
                                                        1999     1998     1997
                                                      -------- -------- --------
<S>                                                   <C>      <C>      <C>
Net earnings........................................  $ 67,753 $ 58,137 $ 57,581
                                                      ======== ======== ========
Weighted average number of common shares
 outstanding........................................    36,602   36,140   35,116
Dilutive effect of stock options using the treasury
 stock method.......................................     1,964    1,608    1,168
                                                      -------- -------- --------
Weighted average number of common and common
 equivalent shares outstanding......................    38,566   37,748   36,284
                                                      ======== ======== ========
Net earnings per common share.......................  $   1.85 $   1.61 $   1.64
Net earnings per common and common equivalent share.      1.76     1.54     1.59
</TABLE>

  Options to purchase 20,000, 40,000 and 1,288,000 shares of common stock were
outstanding during 1999, 1998 and 1997, respectively, but were not included in
the computation of the dilutive effect of stock options. These options were
excluded from the computation because the options' exercise prices were greater
than the average market price of the common shares during the respective year
and, therefore, would be antidilutive to earnings per share under the treasury
stock method.

7. Stock Option Plans

  Gallagher has incentive and nonqualified stock option plans for officers and
key employees of Gallagher and its subsidiaries. The options are primarily
granted at the fair value of the underlying shares at the date of grant.
Options granted under the nonqualified plan primarily become exercisable at the
rate of 10% per year beginning the calendar year after the date of grant or
earlier in the event of death, disability or retirement. Options expire ten
years from the date of grant, or earlier in the event of termination of the
employee.

                                       29
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

7. Stock Option Plans--(Continued)

  In addition, Gallagher has a non-employee directors' stock option plan which
currently authorizes 400,000 shares for grant, with Discretionary Options
granted at the direction of the Option Committee and Retainer Options granted
in lieu of the directors' annual retainer. Discretionary Options shall be
exercisable at such rates as shall be determined by the Committee on the date
of grant. Retainer Options shall be cumulatively exercisable at the rate of 25%
of the total Retainer Option at the end of each full fiscal quarter succeeding
the date of grant. The excess of fair value at the date of grant over the
option price for these nonqualified stock options is considered compensation
and is charged against earnings ratably over the vesting period.

  Gallagher also has an incentive stock option plan for its officers and key
employees resident in the United Kingdom. The United Kingdom plan is
essentially the same as Gallagher's domestic employee stock option plans, with
certain modifications to comply with United Kingdom law and to provide
potentially favorable tax treatment for grantees resident in the United
Kingdom.

  All of the aforementioned stock option plans provide for the immediate
vesting of all outstanding stock option grants in the event of a change in
control of Gallagher. A change in control of Gallagher is defined as the
acquisition by a person (or entity) of the beneficial ownership of 50% or more
of Gallagher's common stock; the cessation, for any reason, of a majority of
directors of Gallagher to serve as directors during any two year period; or the
approval by the stockholders of Gallagher of the sale of substantially all of
the assets of Gallagher.

  Gallagher accounts for stock option grants in accordance with APB 25 and,
accordingly, recognizes no compensation expense for stock options that are
granted to employees at the fair value of the underlying shares at the date of
grant. Statement of Financial Accounting Standards No. 123 (SFAS 123),
"Accounting for Stock-Based Compensation," requires disclosure of pro forma
information regarding net earnings and net earnings per share, using pricing
models to estimate the fair value of stock option grants. Had compensation
expense for Gallagher's stock option plans been determined based on the
estimated fair value at the date of grant consistent with the methodology
prescribed under SFAS 123, approximate net earnings and net earnings per share
would have been as follows (in thousands, except per share data):

<TABLE>
<CAPTION>
                                                      Years Ended December 31,
                                                     --------------------------
                                                       1999     1998     1997
                                                     -------- -------- --------
<S>                                                  <C>      <C>      <C>
Pro forma net earnings.............................. $ 66,278 $ 57,085 $ 56,690
Pro forma net earnings per common share.............     1.81     1.58     1.61
Pro forma net earnings per common and common
 equivalent share...................................     1.74     1.53     1.58
</TABLE>

  For purposes of the pro forma disclosures, the estimated fair values of the
stock option grants are amortized to expense over the options' expected lives.
The fair value of stock options at the date of grant was estimated using the
Black-Scholes option pricing model with the following weighted-average
assumptions:

<TABLE>
<CAPTION>
                                                      Years Ended December 31,
                                                     --------------------------
                                                       1999     1998     1997
                                                     -------- -------- --------
<S>                                                  <C>      <C>      <C>
Dividend yield......................................     3.1%     3.1%     3.0%
Risk-free interest rate.............................     6.6%     4.9%     5.7%
Volatility..........................................    22.9%    24.1%    23.9%
Expected life (years)...............................     8.0      8.0      8.0
</TABLE>

  The Black-Scholes option valuation model was developed for use in estimating
the fair value of traded options which have no vesting restrictions and are
fully transferable. In addition, option valuation models

                                       30
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

7. Stock Option Plans--(Continued)

require the input of highly subjective assumptions including the expected stock
price volatility. Because Gallagher's employee and director stock options have
characteristics significantly different from those of traded options, and
because changes in the selective input assumptions can materially affect the
fair value estimate, in management's opinion, the existing models do not
necessarily provide a reliable single measure of the fair value of its employee
and director stock options.

  The pro forma disclosures above only include the effect of options granted
subsequent to January 1, 1995. Accordingly, the effects of applying the SFAS
123 pro forma disclosures to future periods may not be indicative of future
effects.

  The following is a summary of all of Gallagher's stock option activity and
related information (in thousands, except exercise price data):

<TABLE>
<CAPTION>
                                       Years Ended December 31,
                          -----------------------------------------------------
                                1999              1998              1997
                          ----------------- ----------------- -----------------
                                   Weighted          Weighted          Weighted
                          Shares   Average  Shares   Average  Shares   Average
                           Under   Exercise  Under   Exercise  Under   Exercise
                          Option    Price   Option    Price   Option    Price
                          ------   -------- ------   -------- ------   --------
<S>                       <C>      <C>      <C>      <C>      <C>      <C>
Beginning balance........  8,922    $15.26   8,654    $14.13   9,820    $13.59
Granted..................    472     24.87   1,522     18.96     298     16.59
Exercised................ (1,256)    12.71  (1,176)    11.60  (1,114)     9.85
Canceled.................   (238)    16.92     (78)    16.42    (350)    14.72
                          ------   -------  ------   -------  ------   -------
Ending balance...........  7,900    $16.10   8,922    $15.26   8,654    $14.13
                          ======   =======  ======   =======  ======   =======
Exercisable at end of
 year....................  3,368             3,486             3,560
                          ======            ======            ======
</TABLE>

  Options with respect to 2,422,000 shares were available for grant at December
31, 1999.

  Other information regarding stock options outstanding and exercisable at
December 31, 1999 is summarized as follows (in thousands, except exercise price
data):

<TABLE>
<CAPTION>
                                Options Outstanding        Options Exercisable
                          -------------------------------- --------------------
                                       Weighted
                                        Average
                                       Remaining  Weighted             Weighted
                                      Contractual Average              Average
Range of Exercise Prices    Number       Life     Exercise   Number    Exercise
- ------------------------  Outstanding (in years)   Price   Exercisable  Price
                          ----------- ----------- -------- ----------- --------
<S>                       <C>         <C>         <C>      <C>         <C>
$  .50 - $14.63..........     2,410        2.87     $12.02     1,468     $11.72
 15.00 -  16.88..........     2,504        4.94      16.34     1,216      16.43
 17.13 -  18.50..........     2,314        7.17      17.95       628      17.66
 18.63 -  27.47..........       672        9.06      23.52        56      20.99
                           --------    --------   --------  --------   --------
$  .50 - $27.47..........     7,900        5.31     $16.10     3,368     $14.68
                           ========    ========   ========  ========   ========
</TABLE>

8. Retirement Plans

  Gallagher has a noncontributory defined benefit pension plan which covers
substantially all domestic employees who have attained a specified age and one
year of employment. Benefits under the plan are based on years of service and
salary history. Plan assets consist primarily of common stocks and bonds
invested under the terms of a group annuity contract managed by a life
insurance company.


                                       31
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

8. Retirement Plans--(Continued)

  Gallagher accounts for the defined benefit pension plan in accordance with
Statement of Financial Accounting Standards No. 87 (SFAS 87), "Employers'
Accounting for Pensions." The difference between the present value of the
pension benefit obligation at the date of adoption of SFAS 87 and the fair
value of plan assets at that date is being amortized on a straight-line basis
over the average remaining service period of employees expected to receive
benefits.

  A reconciliation of the beginning and ending balances of the pension benefit
obligation and fair value of plan assets and the funded status of the plan is
as follows (in thousands):

<TABLE>
<CAPTION>

                                                            Years Ended December 31,
                                                            ------------------------
                                                              1999           1998
                                                            --------       --------
<S>                                                         <C>            <C>
Change in pension benefit obligation:
Pension benefit obligation at beginning of year............ $ 65,314       $ 63,747
Service cost...............................................    7,058          7,355
Interest cost..............................................    5,176          4,560
Net actuarial (gain) loss..................................    4,355         (9,141)
Benefits paid..............................................   (1,175)        (1,207)
                                                            --------       --------
Pension benefit obligation at end of year..................   80,728         65,314
                                                            --------       --------
Change in plan assets:
Fair value of plan assets at beginning of year.............   55,053         45,560
Actual return on plan assets...............................    9,270          5,832
Company contributions......................................      --           4,868
Benefits paid..............................................   (1,175)        (1,207)
                                                            --------       --------
Fair value of plan assets at end of year...................   63,148         55,053
                                                            --------       --------
Funded status of the plan (underfunded)....................  (17,580)       (10,261)
Unrecognized net actuarial gain............................  (13,252)       (13,433)
Unrecognized prior service cost............................      992          1,102
Unrecognized transition obligation.........................      387            443
                                                            --------       --------
Accrued pension benefit cost............................... $(29,453)      $(22,149)
                                                            ========       ========
</TABLE>
  The components of the net periodic pension benefit cost for the plan consists
of the following (in thousands):

<TABLE>
<CAPTION>
                                                       Years Ended December 31,
                                                      -------------------------
                                                       1999     1998     1997
                                                      -------  -------  -------
<S>                                                   <C>      <C>      <C>
Service cost--benefits earned during the year........ $ 7,058  $ 7,355  $ 7,046
Interest cost on benefit obligation..................   5,176    4,560    3,985
Expected return on plan assets.......................  (4,897)  (4,168)  (3,550)
Recognized net actuarial gain........................    (199)     --       --
Amortization of prior service cost...................     110      110      110
Amortization of transition obligation................      56       56       56
Other................................................      26       26       26
                                                      -------  -------  -------
Net periodic pension benefit cost.................... $ 7,330  $ 7,939  $ 7,673
                                                      =======  =======  =======
</TABLE>


                                       32
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

8. Retirement Plans--(Continued)

  The following assumptions were used in determining the plan's pension benefit
obligation for 1999, 1998 and 1997:

<TABLE>
<S>                                                                         <C>
Discount rate.............................................................. 7.5%
Rate of increase in future compensation levels............................. 6.5%
Expected long-term rate of return on assets................................ 9.0%
</TABLE>

  Gallagher has a qualified contributory savings and thrift (401(k)) plan
covering the majority of its employees. Gallagher matching contributions (up to
a maximum of 2% of eligible compensation) are at the discretion of Gallagher's
Board of Directors and may not exceed the maximum amount deductible for federal
income tax purposes. Gallagher contributed $3,257,000, $3,263,000 and
$3,190,000 in 1999, 1998 and 1997, respectively. Effective January 1, 1999,
Gallagher implemented a nonqualified deferred compensation plan for certain
employees, who due to Internal Revenue Service rules, cannot take full
advantage of the Gallagher matching contributions under the savings and thrift
plan. The plan permits these employees to annually elect to defer a portion of
their compensation until their retirement. Gallagher matching contributions to
this plan are also at the discretion of Gallagher's Board of Directors.
Gallagher contributed $236,000 to the plan in 1999. The fair value of the
plan's assets as of December 31, 1999, including employee contributions and
investment earnings thereon, was $2,419,000 and has been included in other
noncurrent assets and the corresponding liability has been included in other
noncurrent liabilities in the accompanying consolidated balance sheet.

  Gallagher also has a foreign defined contribution plan which provides for
basic contributions by Gallagher and voluntary contributions by employees
resident in the United Kingdom which are matched 100% by Gallagher, up to a
maximum of 5% of eligible compensation. Net expense (income) for foreign
retirement plans amounted to $2,253,000 in 1999, $3,128,000 in 1998 and
($2,922,000) in 1997. In 1997, Gallagher settled a foreign defined benefit plan
and enrolled the participants into the foreign defined contribution plan. At
the time of the settlement of the foreign plan, there was a surplus of plan
assets in excess of benefit obligations. Previously vested benefits of the plan
participants were settled by the purchase of annuity policies with a life
insurance company. As a result of the defined benefit plan settlement,
Gallagher recognized a $4,830,000 gain in 1997 which was recorded as a
reduction of salaries and employee benefits expense.

9. Postretirement Benefits Other Than Pensions

  In 1992, Gallagher amended its health benefits plan to eliminate retiree
coverage, except for retirees and those employees who had already attained a
specified age and length of service at the time of the amendment. The retiree
health plan is contributory, with contributions adjusted annually and is funded
on a pay-as-you-go basis.


                                       33
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

9. Postretirement Benefits Other Than Pensions--(Continued)

  A reconciliation of the beginning and ending balances of the postretirement
benefit obligation and the funded status of the plan is as follows (in
thousands):

<TABLE>
<CAPTION>
                                                     Years Ended December 31,
                                                     -------------------------
                                                        1999          1998
                                                     ------------ ------------
<S>                                                  <C>          <C>
Change in postretirement benefit obligation:
Postretirement benefit obligation at beginning of
 year............................................... $    11,277  $     11,280
Service cost........................................         --            --
Interest cost.......................................         563           803
Net actuarial gain..................................      (3,622)         (346)
Benefits paid.......................................        (335)         (460)
                                                     -----------  ------------
Postretirement benefit obligation at end of year....       7,883        11,277
Fair value of plan assets at beginning and end of
 year...............................................         --            --
                                                     -----------  ------------
Funded status of the plan (underfunded).............      (7,883)      (11,277)
Unrecognized net actuarial gain.....................      (4,444)       (1,075)
Unrecognized prior service cost.....................         --            --
Unrecognized transition obligation..................       6,652         7,164
                                                     -----------  ------------
Accrued postretirement benefit cost................. $    (5,675) $     (5,188)
                                                     ===========  ============
</TABLE>

  The components of the net periodic postretirement benefit cost include the
following (in thousands):

<TABLE>
<CAPTION>
                                                      Years Ended December 31,
                                                      ------------------------
                                                       1999     1998    1997
                                                      -------  ------- -------
<S>                                                   <C>      <C>     <C>
Service cost--benefits earned during the year........ $   --   $   --  $   --
Interest cost on benefit obligation..................     563      803     763
Amortization of transition obligation................     512      512     512
Amortization of net actuarial gain...................    (253)     --      (89)
                                                      -------  ------- -------
Net periodic postretirement benefit cost............. $   822  $ 1,315 $ 1,186
                                                      =======  ======= =======
</TABLE>

  The discount rate used to measure the postretirement benefit obligation was
7.5% at December 31, 1999, 1998 and 1997. The transition obligation is being
amortized over a 20 year period. For measurement purposes, a 7.5% annual rate
of increase in the per capita cost of covered health care benefits was assumed
for 2000. This rate was assumed to gradually scale down to 4.5% for 2009 and
remain at that level thereafter. The assumed health care cost trend rate has a
significant effect on the amounts reported and disclosed herein. A one
percentage point change in the assumed health care cost trend rate would have
the following effects (in thousands):

<TABLE>
<CAPTION>
                                                      One Percentage Point
                                                      -----------------------
                                                      Increase    (Decrease)
                                                      ----------  -----------
<S>                                                   <C>         <C>
Effect on the net periodic postretirement benefit
 cost in 1999........................................ $       65   $      (56)
Effect on the postretirement benefit obligation at
 December 31, 1999...................................        930         (799)
</TABLE>

10. Commitments and Contingencies

  Gallagher is engaged in various legal actions incident to the nature of its
business. Management is of the opinion that none of the litigation will have a
material effect on Gallagher's consolidated financial position or operating
results.


                                       34
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

10. Commitments and Contingencies--(Continued)

  Gallagher generally operates in leased premises. Certain office space leases
have options permitting renewals for additional periods. In addition to minimum
fixed rentals, a number of leases contain annual escalation clauses generally
related to increases in an inflation index.

  Minimum aggregate rental commitments at December 31, 1999 under noncancelable
operating leases having an initial term of more than one year are as follows
(in thousands):

<TABLE>
<CAPTION>
                                                                        Total
                                                                       --------
<S>                                                                    <C>
2000.................................................................. $ 30,840
2001..................................................................   25,548
2002..................................................................   21,769
2003..................................................................   17,584
2004..................................................................   13,189
Subsequent years......................................................   36,494
                                                                       --------
                                                                       $145,424
                                                                       ========
</TABLE>

  Total rent expense, including rent relating to cancelable leases and leases
with initial terms of less than one year, amounted to $37,308,000 in 1999,
$32,562,000 in 1998 and $31,442,000 in 1997.

  At December 31, 1999, Gallagher has contingently committed to invest an
additional $7,200,000 related to two letter of credit arrangements with one of
its equity investments. In addition, Gallagher has guaranteed an aggregate
$14,600,000 of funds through letters of credit or other arrangements related to
several investments and insurance programs of Gallagher.

11. Income Taxes

  Significant components of earnings before income taxes and the provision for
income taxes are as follows (in thousands):

<TABLE>
<CAPTION>
                                                     Years Ended December 31,
                                                     --------------------------
                                                       1999     1998     1997
                                                     --------  -------  -------
<S>                                                  <C>       <C>      <C>
Earnings before income taxes:
 Domestic........................................... $ 99,261  $81,007  $79,225
 Foreign, principally United Kingdom and Bermuda....    4,974    5,270    6,457
                                                     --------  -------  -------
                                                     $104,235  $86,277  $85,682
                                                     ========  =======  =======
Provision for income taxes:
 Federal:
  Current........................................... $ 31,763  $27,360  $30,764
  Deferred..........................................   (1,301)  (6,999) (10,204)
                                                     --------  -------  -------
                                                       30,462   20,361   20,560
                                                     --------  -------  -------
 State and local:
  Current...........................................    5,790    7,097    6,355
  Deferred..........................................     (186)  (1,007)  (1,469)
                                                     --------  -------  -------
                                                        5,604    6,090    4,886
                                                     --------  -------  -------
 Foreign:
  Current...........................................    1,196    2,629    1,318
  Deferred..........................................     (780)    (940)   1,337
                                                     --------  -------  -------
                                                          416    1,689    2,655
                                                     --------  -------  -------
Total provision for income taxes.................... $ 36,482  $28,140  $28,101
                                                     ========  =======  =======
</TABLE>

                                       35
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

11. Income Taxes--(Continued)

  A reconciliation of the provision for income taxes with the United States
federal income tax rate is as follows (in thousands):

<TABLE>
<CAPTION>
                                       Years Ended December 31,
                             -------------------------------------------------
                                  1999             1998             1997
                             ---------------  ---------------  ---------------
                                       % of             % of             % of
                                      Pretax           Pretax           Pretax
                             Amount   Income  Amount   Income  Amount   Income
                             -------  ------  -------  ------  -------  ------
<S>                          <C>      <C>     <C>      <C>     <C>      <C>
Federal statutory rate...... $36,482    35.0  $30,197    35.0  $29,989    35.0
State income taxes--net of
 federal....................   3,967     3.8    3,731     4.3    2,925     3.4
Pre-acquisition earnings of
 pooled companies taxed to
 previous owners............    (200)   (0.2)    (509)   (0.6)     (84)   (0.1)
Foreign taxes...............    (712)   (0.7)     349     0.4      592     0.7
Affordable housing and
 alternative energy tax
 credits....................  (4,990)   (4.8)  (4,866)   (5.6)  (2,697)   (3.1)
Other--net..................   1,935     1.9     (762)   (0.9)  (2,624)   (3.1)
                             -------  ------  -------  ------  -------  ------
Provision for income taxes.. $36,482    35.0  $28,140    32.6  $28,101    32.8
                             =======  ======  =======  ======  =======  ======
</TABLE>

  Deferred income taxes reflect the net tax effects of temporary differences
between the carrying amounts of assets and liabilities for financial reporting
purposes and the amounts used for income tax purposes. Significant components
of Gallagher's deferred tax liabilities and assets are as follows (in
thousands):

<TABLE>
<CAPTION>
                                                                  December 31,
                                                                 ---------------
                                                                  1999    1998
                                                                 ------- -------
<S>                                                              <C>     <C>
Deferred tax liabilities:
 Investment related partnerships................................ $ 2,808 $   672
 Other..........................................................   1,816   2,315
                                                                 ------- -------
  Deferred tax liabilities......................................   4,624   2,987
                                                                 ------- -------
Deferred tax assets:
 Accrued and unfunded compensation and employee benefits........  21,359  20,706
 Accrued liabilities............................................  10,978  13,305
 Unrealized investment loss.....................................   1,779     518
 Other..........................................................   3,517   2,196
                                                                 ------- -------
  Total deferred tax assets.....................................  37,633  36,725
  Valuation allowance for deferred tax assets...................     --      --
                                                                 ------- -------
  Deferred tax assets...........................................  37,633  36,725
                                                                 ------- -------
Net deferred tax assets......................................... $33,009 $33,738
                                                                 ======= =======
</TABLE>

  During the period from 1994 to 1996, Gallagher provided for United States
income taxes on the undistributed earnings of its foreign subsidiaries. Due to
changes in the United States federal income tax laws effective in 1997,
Gallagher no longer provides for United States income taxes on the
undistributed earnings ($22,000,000 at December 31, 1999) of certain foreign
subsidiaries which are considered permanently invested outside of the United
States. The amount of unrecognized deferred tax liability on these
undistributed earnings is $5,500,000 at December 31, 1999.

                                       36
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

12. Quarterly Operating Results (unaudited)

  Quarterly operating results for 1999 and 1998 were as follows (in thousands,
except per share data):

<TABLE>
<CAPTION>
                                              1st      2nd      3rd      4th
                                            -------- -------- -------- --------
1999
- ----
<S>                                         <C>      <C>      <C>      <C>
Total revenues............................. $136,453 $141,671 $159,872 $167,840
Earnings before income taxes...............   20,706   19,551   35,600   28,378
Net earnings...............................   13,560   12,809   23,108   18,276
Net earnings per common share..............      .37      .35      .63      .50
Net earnings per common and common
 equivalent share..........................      .35      .33      .60      .47
<CAPTION>
1998
- ----
<S>                                         <C>      <C>      <C>      <C>
Total revenues............................. $129,810 $128,755 $148,281 $152,801
Earnings before income taxes...............   18,043   14,890   29,563   23,781
Net earnings...............................   12,157   10,093   20,261   15,626
Net earnings per common share..............      .34      .28      .56      .43
Net earnings per common and common
 equivalent share..........................      .33      .27      .53      .41
</TABLE>

13. Segment Information

  Gallagher has identified three operating segments in addition to its
corporate operations. Insurance Brokerage Services encompasses operations that,
for commission or fee compensation, place or arrange to place insurance
directly related to the clients' funding of risk. This segment also provides
consulting, for fee compensation, related to clients' risk financing programs.
Risk Management Services includes Gallagher's third party administration, loss
control and risk management consulting, workers' compensation investigations
and insurance property appraisal operations. Third party administration is
principally claims management services for Gallagher's clients. Financial
Services includes alternative investment strategies and tax advantaged
investments. It manages Gallagher's own investment portfolio while expanding
these services in conjunction with the insurance products Gallagher markets.
Corporate consists primarily of unallocated administrative costs and the
provision for income taxes which is not allocated to Gallagher's operating
segments.

                                       37
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

13. Segment Information--(Continued)


  Allocations of investment income and certain expenses are based on
assumptions and estimates, and reported operating results by segment would
change if different methods were applied. Certain assets are not individually
identifiable by segment and, accordingly, have been allocated based on
formulas. Financial information relating to Gallagher's operating segments for
1999, 1998 and 1997 is as follows (in thousands):

<TABLE>
<CAPTION>
                                                     Insurance     Risk
                                                     Brokerage  Management  Financial
                                                     Services    Services   Services  Corporate   Total
                                                     ---------  ----------  --------- ---------  --------
Year Ended December 31, 1999
- ----------------------------
<S>                                                  <C>        <C>         <C>       <C>        <C>
Revenues:
  Commissions....................................... $342,922   $     --    $    --   $    --    $342,922
  Fees..............................................   47,035     187,594        --        --     234,629
  Investment income and other.......................    7,734         769     19,782       --      28,285
                                                     --------   ---------   --------  --------   --------
    Total revenues.................................. $397,691   $ 188,363   $ 19,782  $    --    $605,836
                                                     ========   =========   ========  ========   ========
Earnings (loss) before income taxes................. $ 75,412   $  22,346   $ 12,330  $ (5,853)  $104,235
Provision for income taxes..........................      --          --         --     36,482     36,482
                                                     --------   ---------   --------  --------   --------
    Net earnings (loss)............................. $ 75,412   $  22,346   $ 12,330  $(42,335)  $ 67,753
                                                     ========   =========   ========  ========   ========
Income from equity investments...................... $    727   $     --    $  1,331  $    --    $  2,058
Depreciation and amortization expense...............    9,614       4,553        --      1,133     15,300
Interest expense....................................      114         159        226       683      1,182
Net foreign exchange gain (loss)....................      (83)        (37)       --         28        (92)
                                                     ----------------------------------------------------
Revenues:
  United States..................................... $364,506   $ 174,419   $ 17,954  $    --    $556,879
  Foreign, principally United Kingdom and Bermuda...   33,185      13,944      1,828       --      48,957
                                                     --------   ---------   --------  --------   --------
    Total revenues.................................. $397,691   $ 188,363   $ 19,782  $    --    $605,836
                                                     ========   =========   ========  ========   ========

<CAPTION>
At December 31, 1999
- --------------------
<S>                                                  <C>        <C>         <C>       <C>        <C>
Identifiable assets:
  United States..................................... $347,053   $  36,498   $232,652  $ 52,358   $668,561
  Foreign, principally United Kingdom and Bermuda...  198,768      10,466      6,351       --     215,585
                                                     --------   ---------   --------  --------   --------
    Total identifiable assets....................... $545,821   $  46,964   $239,003  $ 52,358   $884,146
                                                     ========   =========   ========  ========   ========
  Identifiable assets related to equity investments. $    629   $     --    $ 24,384  $    --    $ 25,013
</TABLE>

                                       38
<PAGE>

                           ARTHUR J. GALLAGHER & CO.

            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(Continued)

13. Segment Information--(Continued)


<TABLE>
<CAPTION>
                               Insurance     Risk
                               Brokerage  Management  Financial
                               Services    Services   Services   Corporate    Total
                               ---------  ----------  ---------  ---------  ---------
Year Ended December 31, 1998
- ----------------------------
<S>                            <C>        <C>         <C>        <C>        <C>
Revenues:
  Commissions................  $328,177   $     467   $     --   $     --   $ 328,644
  Fees.......................    44,654     167,377         --         --     212,031
  Investment income and
   other.....................     8,815         996       9,161        --      18,972
                               --------   ---------   ---------  ---------  ---------
    Total revenues...........  $381,646   $ 168,840   $   9,161  $     --   $ 559,647
                               ========   =========   =========  =========  =========
Earnings (loss) before income
 taxes.......................  $ 70,026   $  15,584   $   5,103  $  (4,436) $  86,277
Provision for income taxes...       --          --          --      28,140     28,140
                               --------   ---------   ---------  ---------  ---------
    Net earnings (loss)......  $ 70,026   $  15,584   $   5,103  $ (32,576) $  58,137
                               ========   =========   =========  =========  =========
Income (loss) from equity
 investments.................  $    215   $     --    $    (960) $     --   $    (745)
Depreciation and amortization
 expense.....................     8,093       3,732         --         318     12,143
Interest expense.............       237          88          11      1,054      1,390
Net foreign exchange gain
 (loss)......................      (176)        126         --           2        (48)
                               ------------------------------------------------------
Revenues:
  United States..............  $349,316   $ 156,832   $   8,735  $     --   $ 514,883
  Foreign, principally United
   Kingdom and Bermuda.......    32,330      12,008         426        --      44,764
                               --------   ---------   ---------  ---------  ---------
    Total revenues...........  $381,646   $ 168,840   $   9,161  $     --   $ 559,647
                               ========   =========   =========  =========  =========
<CAPTION>
At December 31, 1998
- --------------------
<S>                            <C>        <C>         <C>        <C>        <C>
Identifiable assets:
  United States..............  $309,794   $  33,950   $ 195,302  $  52,935  $ 591,981
  Foreign, principally United
   Kingdom and Bermuda.......   156,442       7,373       4,642        --     168,457
                               --------   ---------   ---------  ---------  ---------
    Total identifiable
     assets..................  $466,236   $  41,323   $ 199,944  $  52,935  $ 760,438
                               ========   =========   =========  =========  =========
  Identifiable assets related
   to equity investments.....  $   (120)  $     --    $  20,396  $     --   $  20,276
<CAPTION>
Year Ended December 31, 1997
- ----------------------------
<S>                            <C>        <C>         <C>        <C>        <C>
Revenues:
  Commissions................  $305,344   $     381   $     --   $     --   $ 305,725
  Fees.......................    43,553     141,403         --         --     184,956
  Investment income and
   other.....................     9,032         977      14,921        --      24,930
  Non-recurring gains........       --          --        8,993        --       8,993
                               --------   ---------   ---------  ---------  ---------
    Total revenues...........  $357,929   $ 142,761   $  23,914  $     --   $ 524,604
                               ========   =========   =========  =========  =========
Earnings (loss) before income
 taxes.......................  $ 60,318   $  10,480   $  22,048  $  (7,164) $  85,682
Provision for income taxes...       --          --          --      28,101     28,101
                               --------   ---------   ---------  ---------  ---------
    Net earnings (loss)......  $ 60,318   $  10,480   $  22,048  $ (35,265) $  57,581
                               ========   =========   =========  =========  =========
Income (loss) from equity
 investments.................  $   (154)  $     --    $     423  $     --   $     269
Depreciation and amortization
 expense.....................     7,896       3,425         --         311     11,632
Interest expense.............       292          69         561        210      1,132
Net foreign exchange gain
 (loss)......................        75          (1)        --         --          74
                               ------------------------------------------------------
Revenues:
  United States..............  $327,948   $ 136,964   $  21,526  $     --   $ 486,438
  Foreign, principally United
   Kingdom and Bermuda.......    29,981       5,797       2,388        --      38,166
                               --------   ---------   ---------  ---------  ---------
    Total revenues...........  $357,929   $ 142,761   $  23,914  $     --   $ 524,604
                               ========   =========   =========  =========  =========
<CAPTION>
At December 31, 1997
- --------------------
<S>                            <C>        <C>         <C>        <C>        <C>
Identifiable assets:
  United States..............  $259,807   $  29,362   $ 168,907  $  56,015  $ 514,091
  Foreign, principally United
   Kingdom and Bermuda.......   148,727       5,054       4,563        --     158,344
                               --------   ---------   ---------  ---------  ---------
    Total identifiable
     assets..................  $408,534   $  34,416   $ 173,470  $  56,015  $ 672,435
                               ========   =========   =========  =========  =========
  Identifiable assets related
   to equity investments.....  $   (627)  $     --    $  16,603  $     --   $  15,976
</TABLE>

                                       39
<PAGE>

                              MANAGEMENT'S REPORT

  The management of Arthur J. Gallagher & Co. (Gallagher) is responsible for
the preparation and integrity of the consolidated financial statements and the
related financial comments appearing in this annual report. The consolidated
financial statements were prepared in accordance with accounting principles
generally accepted in the United States and include certain amounts based on
management's best estimates and judgments. Other financial information
presented in this annual report is consistent with the consolidated financial
statements.

  Gallagher maintains a system of internal accounting controls designed to
provide reasonable assurance that assets are safeguarded and that transactions
are executed as authorized and are recorded and reported properly. This system
of controls is based on written policies and procedures, appropriate divisions
of responsibility and authority, careful selection and training of personnel
and the utilization of an internal audit function. Policies and procedures
prescribe that Gallagher and all employees are to maintain the highest ethical
standards and that business practices throughout the world are to be conducted
in a manner which is above reproach.

  Ernst & Young LLP, independent auditors, has audited Gallagher's consolidated
financial statements and their report is presented herein.

  The Board of Directors has an Audit Committee composed entirely of outside
directors. Ernst & Young LLP has direct access to the Audit Committee and
periodically meets with the Committee to discuss accounting, auditing and
financial reporting matters.

                                          Arthur J. Gallagher & Co.

Itasca, Illinois
January 20, 2000

                                          /s/ J. Patrick Gallagher, Jr.
                                          -------------------------------------
                                          J. Patrick Gallagher, Jr.
                                          President and Chief Executive
                                          Officer

                                          /s/ Michael J. Cloherty
                                          -------------------------------------
                                          Michael J. Cloherty
                                          Executive Vice President and
                                          Chief Financial Officer

                                       40
<PAGE>

                         REPORT OF INDEPENDENT AUDITORS

The Board of Directors and Stockholders
Arthur J. Gallagher & Co.

  We have audited the accompanying consolidated balance sheet of Arthur J.
Gallagher & Co. (Gallagher) as of December 31, 1999 and 1998, and the related
consolidated statements of earnings, stockholders' equity and cash flows for
each of the three years in the period ended December 31, 1999. These financial
statements are the responsibility of Gallagher's management. Our responsibility
is to express an opinion on these financial statements based on our audits.

  We conducted our audits in accordance with auditing standards generally
accepted in the United States. Those standards require that we plan and perform
the audit to obtain reasonable assurance about whether the financial statements
are free of material misstatement. An audit includes examining, on a test
basis, evidence supporting the amounts and disclosures in the 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 consolidated financial position
of Arthur J. Gallagher & Co. at December 31, 1999 and 1998, and the
consolidated results of its operations and its cash flows for each of the three
years in the period ended December 31, 1999, in conformity with accounting
principles generally accepted in the United States.

                                          /s/ Ernst & Young LLP
                                          -------------------------------------
                                          Ernst & Young LLP

Chicago, Illinois
January 20, 2000

                                       41
<PAGE>

Item 9. Changes in and Disagreements with Accountants on Accounting and
Financial Disclosure.

  Not applicable.

                                       42
<PAGE>

                                   PART III

Item 10. Directors and Executive Officers of the Registrant.

  Information regarding directors and nominees for directors of Gallagher is
included under the caption entitled "Election of Directors" in the Proxy
Statement dated March 30, 2000 and is incorporated herein by reference.

Item 11. Executive Compensation.

  Information regarding executive compensation of Gallagher's directors and
executive officers is included in the Proxy Statement dated March 30, 2000
under the caption entitled "Compensation of Executive Officers and Directors,"
and is incorporated herein by reference; provided, however, the report of the
Compensation Committee on executive compensation and the stock performance
graph shall not be deemed to be incorporated herein by reference.

Item 12. Security Ownership of Certain Beneficial Owners and Management.

  Information regarding beneficial ownership of the Common Stock by certain
beneficial owners and by management of Gallagher is included under the caption
entitled "Principal Holders of Securities" in the Proxy Statement dated March
30, 2000 and is incorporated herein by reference.

Item 13. Certain Relationships and Related Transactions.

  Not applicable.

                                    PART IV

Item 14. Exhibits, Financial Statement Schedules and Reports on Form 8-K.

  (a) The following documents are filed as a part of this report:

    1. Consolidated Financial Statements of Arthur J. Gallagher & Co.
  consisting of:

      (a) Consolidated Statement of Earnings for each of the three years
          in the period ended December 31, 1999.

      (b) Consolidated Balance Sheet as of December 31, 1999 and 1998.

      (c) Consolidated Statement of Cash Flows for each of the three years
          in the period ended December 31, 1999.

      (d) Consolidated Statement of Stockholders' Equity for each of the
          three years in the period ended December 31, 1999.

      (e) Notes to Consolidated Financial Statements.

      (f) Report of Independent Auditors.

    2. Consolidated Financial Statement Schedules consisting of:

      (a) Schedule II--Valuation and Qualifying Accounts.

        All other schedules are omitted because they are not applicable,
      or not required, or because the required information is included in
      the Consolidated Financial Statements or the Notes thereto.

    3. Exhibits:

<TABLE>
     <C>        <S>
        3.1     Restated Certificate of Incorporation of Gallagher
                (incorporated by reference to the same exhibit number to
                Gallagher's Form 10-Q Quarterly Report for the quarterly period
                ended June 30, 1996, File No. 1-9761).
</TABLE>


                                      43
<PAGE>

<TABLE>
     <C>        <S>
        3.2     By-Laws of Gallagher (incorporated by reference to the same
                exhibit number to Gallagher's Form S-1 Registration Statement
                No. 33-10447).
        3.3     Rights Agreement between Gallagher and Bank of America Illinois
                (formerly Continental Illinois National Bank and Trust Company
                of Chicago) (incorporated by reference to Exhibits 1 and 2 to
                Gallagher's Form 8-A Registration Statement filed May 12, 1987,
                File No. 0-13480).
        3.4     Assignment and Assumption Agreement of Rights Agreement by and
                among Bank of America Illinois (formerly Continental Illinois
                National Bank and Trust Company of Chicago), Harris Trust and
                Savings Bank and Gallagher (incorporated by reference to the
                same exhibit number to Gallagher's Form S-8 Registration
                Statement No. 33-38031).
        3.5     Amendment No. 1 to Exhibit 3.3 (incorporated by reference to
                the same exhibit number to Gallagher's Form 10-Q Quarterly
                Report for the quarterly period ended June 30, 1996, File No.
                1-9761).
        4.1     Instruments defining the rights of security holders (relevant
                portions contained in the Restated Certificate of Incorporation
                and By-Laws of Gallagher and the Rights Agreement in Exhibits
                3.1, 3.2, and 3.3, respectively, hereby incorporated by
                reference).
     **10.1     Arthur J. Gallagher & Co. Incentive Stock Option Plan and
                related form of stock option agreement (incorporated by
                reference to the same exhibit number to Gallagher's Form S-1
                Registration Statement No. 2-89195).
     **10.1.1   Amendment No. 1 to Exhibit No. 10.1 (incorporated by reference
                to Exhibit No. 10.3 to Gallagher's Form S-8 Registration
                Statement No. 33-604).
     **10.1.2   Amendment No. 2 to Exhibit No. 10.1 (incorporated by reference
                to Exhibit No. 10.3.1 to Gallagher's Form S-8 Registration
                Statement No. 33-14625).
     **10.25    Arthur J. Gallagher & Co. United Kingdom Incentive Stock Option
                Plan, Amended and restated as of January 22, 1998 and approved
                by the Inland Revenue on June 12, 1998 (incorporated by
                reference to the same exhibit number to Gallagher's Form 10-Q
                Quarterly Report for the quarterly period ended June 30, 1998,
                File No. 1-9761).
     **10.26    Arthur J. Gallagher & Co. 1988 Incentive Stock Option Plan,
                Amended and restated as of May 19, 1998 (incorporated by
                reference to the same exhibit number to Gallagher's Form 10-Q
                Quarterly Report for the quarterly period ended June 30, 1998,
                File No. 1-9761).
     **10.27    Arthur J. Gallagher & Co. 1988 Nonqualified Stock Option Plan,
                Amended and restated as of January 22, 1998 (incorporated by
                reference to the same exhibit number to Gallagher's Form 10-Q
                Quarterly Report for the quarterly period ended June 30, 1998,
                File No. 1-9761).
     **10.28    Arthur J. Gallagher & Co. 1989 Non-Employee Directors' Stock
                Option Plan, Amended and restated as of January 22, 1998
                (incorporated by reference to the same exhibit number to
                Gallagher's Form 10-Q Quarterly Report for the quarterly period
                ended June 30, 1998, File No. 1-9761).
       10.5     Lease Agreement between Arthur J. Gallagher & Co. and Itasca
                Center III Limited Partnership, a Texas limited partnership,
                dated July 26, 1989 (incorporated by reference to the same
                exhibit number to Gallagher's Form 10-K Annual Report for 1989,
                File No. 1-9761).
       10.6     $20.0 million Credit Agreement dated February 16, 1993
                (incorporated by reference to Exhibit No. 4.4 to Gallagher's
                Form 10-K Annual Report for 1992, File No. 1-9761).
       10.7     Letter dated December 31, 1983 from Arthur J. Gallagher & Co.
                to Bank of America Illinois (formerly Continental Illinois
                National Bank and Trust Company of Chicago) regarding Common
                Stock Purchase Financing Program including exhibits thereto and
                related letters (incorporated by reference to the same exhibit
                number to Gallagher's Form S-1 Registration Statement No. 2-
                89195).
</TABLE>


                                       44
<PAGE>

<TABLE>
     <C>        <S>
       10.71    Amendment to Exhibit No. 10.7 dated September 11, 1985
                (incorporated by reference to the same exhibit number to
                Gallagher's Form 10-K Annual Report for 1985, File No.
                0-13480).
     **10.10    Board of Directors' Resolution from meeting on January 26, 1984
                relating to consulting and retirement benefits for certain
                directors (incorporated by reference to the same exhibit number
                to Gallagher's Form S-1 Registration Statement No. 2-89195).
     **10.11    Form of Indemnity Agreement between Gallagher and each of its
                directors and corporate officers (incorporated by reference to
                Attachment A to the Gallagher's Proxy Statement dated April 10,
                1987 for its Annual Meeting of Stockholders, File No.
                0-13480).
     **10.13    Arthur J. Gallagher & Co. Stock Option Agreements dated May 10,
                1988 between Gallagher and each of Robert H. B. Baldwin, Jack
                M. Greenberg and James R. Wimmer (incorporated by reference to
                the same exhibit number to Gallagher's Form 10-K Annual Report
                for 1988, File No. 1-9761).
     **10.14    Form of Change in Control Agreement between Gallagher and each
                of its Executive Officers (incorporated by reference to the
                same exhibit number to Gallagher's Form 10-K Annual Report for
                1998, File No. 1-9761).
      *10.15    Arthur J. Gallagher & Co. Supplemental Savings and Thrift Plan.
      *21.0     Subsidiaries of Gallagher, including state or other
                jurisdiction of incorporation or organization and the names
                under which each does business.
      *23.1     Consent of Ernst & Young LLP, as independent auditors.
      *24.0     Powers of Attorney.
      *27.0     Financial Data Schedule.
</TABLE>

    All other exhibits are omitted because they are not applicable, or not
    required, or because the required information is included in the
    Consolidated Financial Statements or Notes thereto.
- --------
     *Filed as exhibits to this Form 10-K with the Securities and Exchange
    Commission.
    **Such exhibit is a management contract or compensatory plan or
     arrangement required to be filed as an exhibit to this form pursuant
     to item 601 of Regulation S-K.

  (b) Reports on Form 8-K

    Not applicable.

                                       45
<PAGE>

                                   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 on the 22nd day of
March, 2000.

                                          Arthur J. Gallagher & Co.

                                             /s/ J. Patrick Gallagher, Jr.
                                          By___________________________________
                                                 J. Patrick Gallagher, Jr.
                                               President and Chief Executive
                                                          Officer

  Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below on the 22nd day of March, 2000 by the following
persons on behalf of the Registrant in the capacities indicated.

<TABLE>
<CAPTION>
                   Name                                        Title
                   ----                                        -----
<S>                                         <C>
           *Robert E. Gallagher             Chairman and Director
  _________________________________________
            Robert E. Gallagher
     /s/ J. Patrick Gallagher, Jr.          President and Director (Chief Executive
___________________________________________   Officer)
         J. Patrick Gallagher, Jr.
        /s/ Michael J. Cloherty             Executive Vice President and Director
___________________________________________   (Chief Financial Officer)
            Michael J. Cloherty
          /s/ Jack H. Lazzaro               Vice President--Finance (Chief Accounting
___________________________________________   Officer)
              Jack H. Lazzaro
            *T. Kimball Brooker             Director
  _________________________________________
            T. Kimball Brooker
            *Peter J. Durkalski             Director
  _________________________________________
            Peter J. Durkalski
             *Ilene S. Gordon               Director
  _________________________________________
              Ilene S. Gordon
            *Jack M. Greenberg              Director
___________________________________________
             Jack M. Greenberg
         *Frank M. Heffernan, Jr.           Director
___________________________________________
          Frank M. Heffernan, Jr.
            *Walter F. McClure              Director
___________________________________________
             Walter F. McClure
               *Robert Ripp                 Director
___________________________________________
                Robert Ripp
             *James R. Wimmer               Director
___________________________________________
              James R. Wimmer
</TABLE>

       /s/ John C. Rosengren
*By: ________________________________
   John C. Rosengren, Attorney-in-
                 Fact

                                       46
<PAGE>

                                                                     SCHEDULE II

                           ARTHUR J. GALLAGHER & CO.
                       VALUATION AND QUALIFYING ACCOUNTS

<TABLE>
<CAPTION>
                                       Balance  Additions
                                         at      Charged                Balance
                                      Beginning    to                   at End
                                       of Year   Expense  Adjustments   of Year
                                      --------- --------- -----------   -------
                                                  (in thousands)
<S>                                   <C>       <C>       <C>           <C>
Year ended December 31, 1999
  Allowance for doubtful accounts....  $1,500    $ (567)    $   (28)(1) $  905
  Accumulated amortization of
   goodwill..........................   3,641     1,111        (850)(2)  3,902
  Accumulated amortization of non-
   compete agreements and expiration
   lists.............................     999     1,909          42 (3)  2,950
Year ended December 31, 1998
  Allowance for doubtful accounts....  $  860    $  238     $   402 (1) $1,500
  Accumulated amortization of
   goodwill..........................   3,394       397        (150)(2)  3,641
  Accumulated amortization of non-
   compete agreements and expiration
   lists.............................   3,110       665      (2,776)(3)    999
Year ended December 31, 1997
  Allowance for doubtful accounts....  $  896    $  644     $  (680)(1) $  860
  Accumulated amortization of
   goodwill..........................   3,429       243        (278)(2)  3,394
  Accumulated amortization of non-
   compete agreements and expiration
   lists.............................   3,314       818      (1,022)(3)  3,110
</TABLE>
- --------
(1) Bad debt write-offs net of recoveries.
(2) Reversal of fully amortized goodwill.
(3) Reversal of fully amortized non-compete agreements and expiration lists and
    intangible asset/amortization reclassifications.

<PAGE>

                                                                   Exhibit 10.15

                           ARTHUR J. GALLAGHER & CO.
                      SUPPLEMENTAL SAVINGS and THRIFT PLAN
                           Effective January 1, 1999
<PAGE>

                               TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                               Page
<C>         <S>                                               <C>
ARTICLE 1   INTRODUCTION...................................... - 1 -
       1.1  Purpose of Plan................................... - 1 -
       1.2  Status of Plan.................................... - 1 -

ARTICLE 2   DEFINITIONS....................................... - 2 -
       2.1  Account........................................... - 2 -
       2.2  Cause............................................. - 2 -
       2.3  Change of Control................................. - 2 -
       2.4  Code.............................................. - 3 -
       2.5  Compensation...................................... - 3 -
       2.6  Hour of Service................................... - 3 -
       2.7  Effective Date.................................... - 3 -
       2.8  Elective Deferral................................. - 3 -
       2.9  Eligible Employee................................. - 3 -
       2.10 Employer.......................................... - 4 -
       2.11 Entry Date........................................ - 4 -
       2.12 ERISA............................................. - 4 -
       2.13 Funding Trust..................................... - 4 -
       2.14 Funding Trustee................................... - 4 -
       2.15 Gallagher......................................... - 5 -
       2.16 Insolvent......................................... - 5 -
       2.17 Matching Deferral................................. - 5 -
       2.18 Participant....................................... - 5 -
       2.19 Performance Deferral.............................. - 5 -
       2.20 Plan.............................................. - 5 -
       2.21 Plan Administrator................................ - 5 -
       2.22 Plan Year......................................... - 5 -
       2.23 Qualified Plan.................................... - 5 -
       2.24 Retirement........................................ - 5 -
       2.25 Unforeseeable Emergency........................... - 6 -

ARTICLE 3   PARTICIPATION..................................... - 7 -
       3.1  Commencement of Participation..................... - 7 -
       3.2  Continued Participation........................... - 7 -

ARTICLE 4   ELECTIVE AND MATCHING DEFERRALS................... - 8 -
       4.1  Elective Deferrals................................ - 8 -
       4.2  Matching Deferrals................................ - 9 -
       4.3  Performance Deferrals.............................- 10 -
</TABLE>

                                     - i -
<PAGE>

<TABLE>

 <C>        <S>                                                <C>
ARTICLE 5  ACCOUNTS...........................................- 11 -
       5.1  Accounts..........................................- 11 -
       5.2  Investments.......................................- 12 -

ARTICLE 6  VESTING............................................- 13 -
       6.1  General...........................................- 13 -
       6.2  Change of Control.................................- 13 -
       6.3  Retirement, Death or Disability...................- 13 -
       6.4  Insolvency........................................- 14 -

ARTICLE 7  PAYMENTS...........................................- 15 -
       7.1  Election as to Time and Form of Payment...........- 15 -
       7.2  Termination of Employment.........................- 18 -
       7.3  Death.............................................- 18 -
       7.4  Withdrawal Due to Unforeseeable Emergency.........- 19 -
       7.5  Distributions Due to a Suspension of Deferrals....- 19 -
       7.6  Forfeiture of Non-vested Amounts..................- 20 -
       7.7  Taxes.............................................- 20 -

ARTICLE 8   PLAN ADMINISTRATOR................................- 21 -
       8.1  Plan Administration and Interpretation............- 21 -
       8.2  Powers, Duties, Procedures, Etc...................- 21 -
       8.3  Information.......................................- 22 -
       8.4  Indemnification of Plan Administrator.............- 22 -

ARTICLE 9   AMENDMENT AND TERMINATION.........................- 23 -
       9.1  Amendments........................................- 23 -
       9.2  Termination of Plan...............................- 23 -
       9.3  Existing Rights...................................- 24 -

ARTICLE 10  MISCELLANEOUS.....................................- 25 -
      10.1  No Funding........................................- 25 -
      10.2  Non-assignability.................................- 25 -
      10.3  Limitation of Participant's Rights................- 25 -
      10.4  Participants Bound................................- 26 -
      10.5  Receipt and Release...............................- 26 -
      10.6  Governing Law.....................................- 26 -
      10.7  Headings and Subheadings..........................- 27 -
</TABLE>

                                    - ii-
<PAGE>

                                   ARTICLE 1

                                 INTRODUCTION
                                 ------------

      1.1 Purpose of Plan

      Gallagher has adopted the Plan to provide a means by which certain
employees may elect to defer receipt of portions of their Compensation and to
provide opportunities for such individuals to save for retirement on the terms
and conditions set forth herein.

      1.2 Status of Plan

      The Plan is intended to be "a plan which is unfunded and is maintained by
an employer primarily for the purpose of providing deferred compensation for a
select group of management or highly compensated employees" within the meaning
of Sections 201(2), 301(a)(3) and 401(a)(1) of ERISA, and shall be interpreted
and administered consistent with that intent.
<PAGE>

                                   ARTICLE 2

                                  DEFINITIONS
                                  -----------

      Wherever used herein, the following terms have the meanings set forth
below, unless a different meaning is clearly required by the context:

      2.1 Account means, for each Participant, the account established for his
or her benefit under Section 5.1.

      2.2 Cause means gross misconduct or a willful and material breach of any
agreement between the Employer and the Participant; provided that, no act or
failure to act on the Participant's part shall be deemed "willful" unless done,
or omitted to be done, by the Participant not in good faith and without a
reasonable belief that the action or omission was in the best interest of the
Employer.

      2.3 Change of Control means: (i) any person or group, as defined in
Sections 13(d) and 14(d)(2) of the Securities Exchange Act of 1934, as amended,
is or becomes the beneficial owner, directly or indirectly of securities of
Gallagher representing fifty percent (50%) or more of the combined voting power
of Gallagher's outstanding securities then entitled to vote for the election of
directors; or (ii) during any period of two consecutive years, individuals who
at the beginning of such period constitute the Board of Directors of Gallagher
(the "Board") and any new directors whose election by the Board or nomination
for election by Gallagher's stockholders was approved by at least two-thirds of
the directors then still in office who either were directors at the beginning of
the period or whose election was previously so approved cease for any reason to
constitute at least a majority thereof; or (iii) the stockholders of Gallagher
shall approve the sale of all or substantially all of the assets of Gallagher or
any

                                      -2-
<PAGE>

merger, consolidation, issuance of securities or purchase of assets, the result
of which would be the occurrence of any event described in clause (i) or (ii)
above.

      2.4 Code means the Internal Revenue Code of 1986, as amended from time to
time. Reference to any section or subsection of the Code includes reference to
any comparable or succeeding provisions of any legislation which amends,
supplements or replaces such section or subsection.

      2.5 Compensation means in the case of a Participant who is an Eligible
Employee, the total cash compensation of such Participant paid by the Employer
during any year, including salary and annual bonuses (paid with respect to
performance in 1999 and later years), overtime pay and commissioned earnings
(whether paid as a draw against commissions or as a settlement of earned
commissions), before reductions for contributions made to this Plan, the
Qualified Plan, or a cafeteria plan under Code Section 125, but not including
(i) relocation pay or related payments; (ii) severance pay and (iii) Matching
Deferrals and Performance Deferrals under this Plan.

      2.6 Hour of Service means an Hour of Service as calculated for purposes of
the Qualified Plan.

      2.7 Effective Date means January 1, 1999.

      2.8 Elective Deferral means the portion of Compensation which is deferred
by a Participant under Section 4.1.

      2.9 Eligible Employee means, on the Effective Date or on any Entry Date
thereafter, each employee of the Employer (i) whose total annual Compensation is
not less than $160,000 based upon such employee's current salary or Compensation
for the prior year; and

                                      -3-
<PAGE>

(ii) who has completed sixty (60) days of employment with the Employer. If an
Eligible Employee's actual Compensation is (i) less than $160,000 during two
consecutive Plan Years, such Eligible Employee will be suspended from making any
additional Elective Deferrals under the Plan for each subsequent Plan Year,
until the Plan Year following the Plan Year such Eligible Employee's
Compensation is not less than $160,000; or (ii) less than $100,000 for two
consecutive Plan Years, such Eligible Employee's Account shall be distributed in
accordance with the terms of Section 7.7 unless, prior to such distribution,
such Eligible Employee's Compensation is not less than $160,000 in a Plan Year.

      2.10 Employer means Gallagher or each other entity that is affiliated with
Gallagher and that adopts the Plan with its consent.

      2.11 Entry Date means (i) except as provided in clause (ii), January 1 of
each Plan Year; and (ii) in the case of an individual described in Section
4.1(d)(iii), the date as of which his or her election to defer is effective, as
described therein.

      2.12 ERISA means the Employee Retirement Income Security Act of 1974, as
amended from time to time. Reference to any section or subsection of ERISA
includes reference to any comparable or succeeding provisions of any legislation
that amends, supplements or replaces such section or subsection.

      2.13 Funding Trust means the grantor trust established by Gallagher to
hold assets contributed under the Plan.

      2.14 Funding Trustee means the trustee or trustees under the Funding
Trust.

                                      -4-
<PAGE>

      2.15 Gallagher means Arthur J. Gallagher & Co., an Illinois corporation,
and any successor to all or a major portion of Gallagher's assets or business
that assumes the obligations of Gallagher (with Gallagher's consent if it is
still in existence).

      2.16 Insolvent means either (i) the Employer is unable to pay its debts as
they become due, or (ii) the Employer is subject to a pending proceeding as a
debtor under the United States Bankruptcy Code.

      2.17 Matching Deferral means a contribution by the Employer for the
benefit of a Participant who is an Eligible Employee, as described in Section
4.2.

      2.18 Participant means any individual who participates in the Plan in
accordance with Article 3.

      2.19 Performance Deferral means a discretionary contribution by the
Employer for the benefit of a Participant who is an Eligible Employee, as
described in Section 4.3.

      2.20 Plan means the Arthur J. Gallagher & Co. Supplemental Savings and
Thrift Plan as provided herein and as amended from time to time.

      2.21 Plan Administrator means the person, persons or entity designated by
Gallagher to administer the Plan. If no such person or entity is so serving at
any time, Gallagher shall be the Plan Administrator.

      2.22 Plan Year means the 12-month period ending on December 31.

      2.23 Qualified Plan means the Arthur J. Gallagher & Co. Employees'
401(k) Savings and Thrift Plan.

      2.24 Retirement means any termination of an Employee's employment with the
Employer on or after his or her 65th birthday that is not for Cause.

                                      -5-
<PAGE>

      2.25 Unforeseeable Emergency means an immediate and heavy financial need
resulting from any of the following:

          (a) Expenses which are not covered by insurance and which the
Participant or his or her spouse or dependent has incurred as a result of, or is
required to incur in order to receive, medical care;

          (b) The need to prevent eviction of a Participant from his or her
principal residence or foreclosure on the mortgage of the Participant's
principal residence; or

          (c) Any other circumstance that is determined by the Plan
Administrator in its sole discretion to constitute an unforeseeable emergency
that (i) is not covered by insurance, (ii) cannot reasonably be relieved by the
liquidation of the Participant's assets, and (iii) is consistent with the intent
of Treasury Regulation Section 1.457-2(h)(4).

                                      -6-
<PAGE>

                                   ARTICLE 3

                                 PARTICIPATION
                                 -------------

     3.1 Commencement of Participation

     An Eligible Employee shall become a Participant in the Plan on the first
Entry Date as of which he or she begins to defer Compensation in accordance with
Section 4.1 or on the date determined by the Plan Administrator with respect to
a Matching Deferral under Section 4.2 or a Performance Deferral under Section
4.3.

     3.2 Continued Participation

     A Participant in the Plan shall continue to be a Participant so long as any
amount remains credited to his or her Account.

                                      -7-
<PAGE>

                                   ARTICLE 4

                        ELECTIVE AND MATCHING DEFERRALS
                        -------------------------------

      4.1 Elective Deferrals

          (a) An individual who is an Eligible Employee may elect to defer (i) a
percentage or dollar amount of his or her Compensation and/or (ii) an amount of
Compensation from his or her final pay check for a calendar year which is
determined by the Plan Administrator to be equal to the amount of his or her
elective deferrals under the Qualified Plan that will be returned because of a
failure to meet the nondiscrimination rules of Section 401(k) of the Code. An
Eligible Employee who desires to elect a deferral described in (i) and/or (ii)
above shall complete and file an Enrollment Form with the Plan Administrator.

          (b) Each Enrollment Form shall designate whether the election is made
for amounts deferred pursuant to Sections 4.1(a)(i) or 4.1(a)(ii) above and in
the case of deferrals pursuant to Section 4.1(a)(i), either (i) the percentage
to be deferred in one percent (1%) increments to a maximum of one hundred
percent (100%); or (ii) the whole dollar amount of each paycheck to be deferred.
A separate election may be made for the bonus portion of Compensation under
Section 4.1(a)(i).

          (c) The Enrollment Form may also indicate the Participant's
distribution election in accordance with the provisions of Section 7.1.

          (d) Except as provided in the next sentence, elections pursuant to
Section 4.1(a) to defer Compensation paid in a Plan Year must be made prior to
the first day of such Plan Year. Notwithstanding the foregoing: (i) the election
to defer the salary portion of

                                      -8-
<PAGE>

Compensation pursuant to Section 4.1(a)(i) for the 1999 Plan Year must be made
prior to January 7, 1999; (ii) an election to defer the bonus portion of
Compensation pursuant to Section 4.1(a)(i) must be made on or prior to September
30 of the Plan Year prior to the Plan Year in which the bonus is paid; and (iii)
in the case of an individual who first becomes an Eligible Employee following
the commencement of a Plan Year, the election to defer must be made within 30
days after the date the individual becomes an Eligible Employee, and will be
effective with respect to Compensation earned after the Enrollment Form is
filed. Any election pursuant to this paragraph shall be irrevocable from and
after the deadline for such election provided that it may be changed after such
deadline in the event of (and consistent with) an Unforeseeable Emergency, as
determined by the Plan Administrator.

          (e) An election to defer a percentage or dollar amount of Compensation
for any Plan Year shall apply for subsequent Plan Years unless changed or
revoked as described in the next sentence. A Participant may change or revoke
his or her deferral election as of any Entry Date by filing a new Enrollment
Form with the Plan Administrator.

      4.2 Matching Deferrals

          (a) No later than the date required by law for Matching Conditions
under the Qualified Plan (or the later date as of which the need for a
contribution hereunder is determined), the Employer shall contribute a Matching
Deferral to the Account of each Eligible Employee who is employed by the
Employer on the last day of the Plan Year or terminated employment by reason of
death, total disability, Change in Control or Retirement, to the extent
described in paragraph (b).

                                      -9-
<PAGE>

          (b) The Matching Deferral for each Eligible Employee for the Plan Year
shall be equal to the excess of the lesser of (A) 50% of his Elective Deferrals
under the Plan or (B) two percent (2%) of his Compensation, less any matching
contributions he received under the Qualified Plan for such Plan Year.

      4.3 Performance Deferrals

      Any Eligible Employee may also receive a Performance Deferral in an amount
to be determined by the Employer. All determinations by the Employer with regard
to the amount or timing of or the eligibility for a Performance Deferral, shall
be final.

                                     -10-
<PAGE>

                                   ARTICLE 5

                                   ACCOUNTS
                                   --------
     5.1  Accounts
          --------

     The Plan Administrator shall establish an Account for each Participant
reflecting Elective Deferrals, Matching Deferrals and Performance Deferrals made
for the Participant's benefit together with any adjustments for income, gain or
loss and any payments from the Account. Elective Deferrals, Matching Deferrals
and Performance Deferrals will be credited to the Account of each applicable
Participant as of the later of the date they are received by the Funding Trustee
or the date the Funding Trustee receives from the Plan Administrator such
instructions as the Funding Trustee may reasonably require to allocate the
amount received among the asset accounts maintained by the Funding Trustee. As
of the last day of each calendar quarter, the Plan Administrator shall provide
the Participant with a statement of his or her Account reflecting the income,
gain and loss, amounts of deferrals, and payments from such Account since the
prior statement.

                                     -11-
<PAGE>

     5.2  Investments
          -----------
          (a)  The assets of the Funding Trust shall be invested in such
investments as are designated by the Plan Administrator. The Plan Administrator
shall provide each Participant with the opportunity to indicate how his or her
Account is apportioned to the investments designated by the Plan Administrator
in five percent (5%) increments. A Participant's preference shall not be binding
on the Funding Trustee or Plan Administrator. The Plan Administrator has the
authority to direct the investment of all the assets held in the Funding Trust
and shall invest such assets among the investments designated by the Plan
Administrator as it deems appropriate.

          (b)  Each investment fund's operating expenses will be netted against
such investment fund's return.  Other Plan legal, trustee and administrative
expenses will be paid by the Employer.

                                     -12-
<PAGE>

                                   ARTICLE 6

                                    VESTING

     6.1  General

     A Participant shall at all times have a fully vested and nonforfeitable
right to all Elective Deferrals and Matching Deferrals credited to his or her
Account, adjusted for income, gain and loss attributable thereto. Subject to
earlier vesting as provided in Sections 6.2, 6.3 and 6.4, a Participant shall be
or become vested in the portion of his or her Account attributable to
Performance Deferrals, adjusted for income, gain and loss attributable thereto,
as determined by the Employer at the time the Performance Deferral is made. If
the vesting or vested percentage is based on the Participant's "Years of
Service," the Participant shall receive credit for a Year of Service for each
Plan Year (including Plan Years before the date as of which the Performance
Deferral is made and the Effective Date only to the extent determined by the
Employer) during which he or she completed at least 1,000 of Hours of Service

     6.2  Change of Control

     A Participant shall become fully vested in his or her Account upon
termination of his or her employment with the Employer after a Change of
Control, other than termination for Cause.

     6.3  Retirement, Death or Disability

     A Participant shall become fully vested in his or her Account upon
termination of the Participant's employment by reason of the Participant's
Retirement, death or total and permanent disability (as determined by the Plan
Administrator).

                                     -13-
<PAGE>

     6.4  Insolvency

     A Participant shall become fully vested in his or her Account immediately
prior to the Employer's becoming Insolvent, in which case the Participant will
have the same rights as a general creditor of the Employer with respect to his
or her Account balance.

                                     -14-
<PAGE>

                                   ARTICLE 7

                                   PAYMENTS
                                   --------

     7.1  Election as to Time and Form of Payment

          (a)  A Participant may specify a distribution date applicable to his
or her Elective Deferrals, Matching Deferrals and vested Performance Deferrals
in accordance with the following:

               (i)  A Participant may specify (on the first Enrollment Form used
                    under Section 4.1) that all Elective Deferrals, Matching
                    Deferrals and vested Performance Deferrals described in the
                    last sentence of this subparagraph (i), adjusted for income,
                    gain and loss attributable thereto, will be paid or commence
                    to be paid to the Participant on a specific date or at
                    Retirement. Such specified date shall not be earlier than
                    the January 1 that is at least five (5) years after the
                    first Plan Year subject to such Enrollment Form and shall
                    apply to all Elective Deferrals, Matching Deferrals and
                    vested Performance Deferrals for (A) the Plan Year for which
                    the Enrollment Form is filed; (B) any prior Plan Year, in
                    the case of a Matching Deferral or Performance Deferral; and
                    (C) any subsequent Plan Year the last day of which is at
                    least one full Plan Year before the Participant's elected
                    distribution date.

                                     -15-
<PAGE>

               (ii) On the Enrollment Form filed for the first Plan Year with
                    respect to which a distribution date election under
                    subparagraph (i) would not be applicable (and for the first
                    Plan Year with respect to which an election under this
                    subparagraph would not be applicable pursuant to the last
                    sentence of this subparagraph), a Participant may specify
                    the date on which distribution of the Participant's Elective
                    Deferrals, Matching Deferrals and vested Performance
                    Deferrals described in the last sentence of this
                    subparagraph (ii), as adjusted for income, gain and loss
                    attributable thereto, will be paid or commenced to be paid
                    to the Participant. Such specified date shall not be earlier
                    than the January 1 that is at least five (5) years after the
                    Plan Year subject to such Enrollment Form and shall apply to
                    all Elective Deferrals, Matching Deferrals and vested
                    Performance Deferrals (as adjusted) for the Plan Year for
                    which the Enrollment form is filed, and for any subsequent
                    Plan Year the last day of which is at least one full Plan
                    Year before the Participant's specified distribution date.

          (b)  If approved by the Plan Administrator, (i) a Participant who has
not made an election under subparagraph (a) with respect to a given Elective
Deferral, Matching Deferral and/or vested Performance Deferral may make an
election with respect to such Deferral or Deferrals; provided that (A) the
Participant is actively employed when such

                                     -16-
<PAGE>

election is filed; and (B) the specified date for distribution is (I) at least
five years after the earliest Enrollment Form filed with respect to Deferrals
that are subject to such distribution election; and (II) at least twenty-four
(24) months after the date the election is filed; and (ii) a Participant may
change a distribution date elected under subparagraph (a); provided that (A) the
Participant is actively employed when such election is filed; (B) the change is
filed with the Plan Administrator no later than the December 31 that is at least
one year before the Plan Year in which the elected date occurs; (C) the new date
for distribution occurs no earlier than twenty-four (24) full months after the
month of the previously elected date; and (D) no more than one change in
distribution dates may be made by a Participant during any five (5) year period.

          (c)  A Participant's distribution may be in either of the following
forms (as elected on an Enrollment Form or as otherwise pursuant to procedures
prescribed by the Plan Administrator):

               (i)   A single lump-sum payment; or

               (ii)  Annual installments over a period elected by the
                     Participant of up to ten (10) years, the amount of each
                     installment to equal the then balance of the Account
                     divided by the number of installments remaining to be paid.

A Participant who has made no election under this paragraph (c) or a Participant
who has made such an election and wishes to change the election, may make an
election under this paragraph; provided that, no election that is made other
than in connection with an election

                                     -17-
<PAGE>

made under paragraph (a) or (b) shall be effective until 12 months after the
date the election is filed with the Plan Administrator.

          (d)  Except as provided in Sections 7.2, 7.3, 7.4, 7.5 and 7.6,
payments from a Participant's Account shall be made in accordance with the
Participant's elections under this Section 7.1. If a Participant has not made a
distribution election with respect to a given Elective Deferral, Matching
Deferral and/or vested Performance Deferral, such Deferral or Deferrals shall be
distributed in a single lump sum upon the termination of the Participant's
employment.

          (e)  Payments from a Participant's Account shall be in cash.

     7.2  Termination of Employment

     Upon termination of a Participant's employment for any reason other than
death, the vested portion of the Participant's Account (including any portion
vested pursuant to Section 6.3 as a consequence of the Participant's Retirement
or total and permanent disability) shall be paid to the Participant according to
the Participant's distribution election, unless the Plan Administrator elects,
in its sole discretion, to pay out a Participant's account balance in a single
lump sum as soon as practicable following the date of termination.

     7.3  Death

          (a)  If a Participant dies prior to the complete distribution of his
or her Account, the balance of the Account shall be paid to the Participant's
designated beneficiary or beneficiaries, according to the Participant's
distribution election, unless the Plan Administrator elects, in its sole
discretion, to pay out a Participant's account balance in a single lump sum as
soon as practicable following the date of termination.

                                     -18-
<PAGE>

          (b)  A Participant may designate a beneficiary by so notifying the
Plan Administrator in writing, at any time before Participant's death, on a form
prescribed by the Plan Administrator for that purpose. A Participant may revoke
any beneficiary designation or designate a new beneficiary at any time without
the consent of a beneficiary or any other person. If no beneficiary is
designated or no designated beneficiary survives the Participant, payment shall
be made to the Participant's surviving spouse, or, if none, to the Participant's
issue per stirpes, in a single payment. If no spouse or issue survives the
Participant, payment shall be made in a single lump sum to the Participant's
estate.

     7.4  Withdrawal Due to Unforeseeable Emergency

     If a Participant suffers an Unforeseeable Emergency, the Plan
Administrator, in its sole discretion, may pay to the Participant only that
portion, if any, of the vested portion of his or her Account which the Plan
Administrator determines is necessary to satisfy the emergency need, including
any amounts necessary to pay any federal, state or local income taxes reasonably
anticipated to result from the distribution. A Participant requesting an
emergency payment shall apply for the payment in writing using a form prescribed
by the Plan Administrator for that purpose and shall provide such additional
information as the Plan Administrator may require.

     7.5  Distributions Due to a Suspension of Deferrals

     In the event that a Participant's Account is required to be distributed
pursuant to Section 2.9(ii), the entire balance of such Participant's Account
shall be distributed on the last day of the fifth Plan Year following the second
consecutive Plan Year in which such Participant's Compensation was less than
$100,000.

                                     -19-
<PAGE>

     7.6  Forfeiture of Non-vested Amounts

     To the extent that any amounts credited to a Participant's Account are not
vested at the time such amounts are otherwise payable under Sections 7.1 and
7.2, or as provided for in Sections 7.5 and 7.6, they shall be forfeited and
shall be used to satisfy the Employer's obligation to make contributions to the
Funding Trust under the Plan.

     7.7  Taxes

     All federal, state or local taxes that the Plan Administrator determines
are required to be withheld from any payments made pursuant to this Article 7
shall be withheld.

                                     -20-
<PAGE>

                                   ARTICLE 8

                              PLAN ADMINISTRATOR
                              ------------------

      8.1 Plan Administration and Interpretation

      The Plan Administrator shall oversee the administration of the Plan. The
Plan Administrator shall have complete control and authority to determine the
rights and benefits and all claims, demands and actions arising out of the
provisions of the Plan of any Participant, beneficiary, deceased Participant, or
other person having or claiming to have any interest under the Plan. The Plan
Administrator shall have complete discretion to interpret the Plan and to decide
all matters under the Plan. Such interpretation and decision shall be final,
conclusive and binding on all Participants and any person claiming under or
through any Participant, in the absence of clear and convincing evidence that
the Plan Administrator acted arbitrarily and capriciously. Any individual(s)
serving as Plan Administrator who is a Participant will not vote or act on any
matter relating solely to himself or herself. When making a determination or
calculation, the Plan Administrator shall be entitled to rely on information
furnished by a Participant, a beneficiary, the Employer or the Funding Trustee.
The Plan Administrator shall have the responsibility for complying with any
reporting and disclosure requirements of ERISA.

      8.2 Powers, Duties, Procedures, Etc.

      The Plan Administrator shall have such powers and duties, may adopt such
rules and tables, may act in accordance with such procedures, may appoint such
officers or agents, may delegate such powers and duties, and shall follow such
claims and appeal procedures with respect to the Plan as it may establish.

                                     -21-
<PAGE>

      8.3 Information

      To enable the Plan Administrator to perform its functions, the Employer
shall supply full and timely information to the Plan Administrator on all
matters relating to the compensation of Participants, their employment,
Retirement, death, termination of employment, and such other pertinent facts as
the Plan Administrator may require.

      8.4 Indemnification of Plan Administrator

      The Employer agrees to indemnify and to defend to the fullest extent
permitted by law any officer(s) or employee(s) who serve as Plan Administrator
(including any such individual who formerly served as Plan Administrator)
against all liabilities, damages, costs and expenses (including attorneys' fees
and amounts paid in settlement of any claims approved by the Employer)
occasioned by any act or omission to act in connection with the Plan, if such
act or omission is in good faith.

                                     -22-
<PAGE>

                                   ARTICLE 9

                           AMENDMENT AND TERMINATION
                           -------------------------
      9.1 Amendments

      Gallagher shall have the right to amend the Plan from time to time,
subject to Section 9.3, by an instrument in writing which has been executed on
its behalf by a duly authorized officer.

      9.2 Termination of Plan

      The Plan is strictly a voluntary undertaking on the part of the Employer
and shall not be deemed to constitute a contract between the Employer and any
Eligible Employee (or any other employee), a consideration for, or an inducement
or condition of employment for, the performance of the services by any Eligible
Employee (or other employee). Gallagher reserves the right to terminate the Plan
at any time, subject to Section 9.3, by an instrument in writing which has been
executed on its behalf by a duly authorized officer. Upon termination, Gallagher
may (i) elect to continue to maintain the Funding Trust to pay benefits
hereunder as they become due as if the Plan had not terminated or (ii) direct
the Funding Trustee to pay promptly to Participants (or their beneficiaries) the
vested balance of their Accounts. For purposes of the preceding sentence, in the
event clause (ii) is implemented, the Account balance of all Participants who
are in the employ of the Employer at the time the Funding Trustee is directed to
pay such balances shall become fully vested and nonforfeitable. After
Participants and their beneficiaries are paid all Plan benefits to which they
are entitled, all remaining assets of the Funding Trust attributable to
Participants who terminated employment

                                     -23-
<PAGE>

with the Employer before they were fully vested in their Accounts under Article
6 at that time shall be returned to the Employer.

      9.3 Existing Rights

      No amendment or termination of the Plan shall adversely affect the rights
of any Participant with respect to amounts that have been credited to his or her
Account prior to the date of such amendment or termination except as provided in
Section 9.2.

                                     -24-
<PAGE>

                                  ARTICLE 10

                                 MISCELLANEOUS
                                 -------------

      10.1 No Funding

      The Plan constitutes a mere promise by the Employer to make payments in
accordance with the term of the Plan and Participants and beneficiaries shall
have the status of general unsecured creditors of the Employer. Nothing in the
Plan will be construed to give any employee or any other person rights to any
specific assets of the Employer or of any other person. In all events, it is the
intent of the Employer that the Plan be treated as unfunded for tax purposes and
for purposes of Title I of ERISA.

      10.2 Non-assignability

      None of the benefits, payments, proceeds or claims of any Participant or
beneficiary shall be subject to any claim of any creditor of any Participant or
beneficiary and, in particular, the same shall not be subject to attachment or
garnishment or other legal process by any creditor of such Participant or
beneficiary, nor shall any Participant or beneficiary have any right to
alienate, anticipate, commute, pledge, encumber or assign any of the benefits or
payments or proceeds which he or she may expect to receive, contingently or
otherwise under the Plan.

      10.3 Limitation of Participant's Rights

      Nothing contained in the Plan shall confer upon any person a right to be
employed or to continue in the employ of the Employer, or interfere in any way
with the right of the Employer to terminate the employment of a Participant in
the Plan at any time, with or without cause.

                                     -25-
<PAGE>

      10.4 Participants Bound

      Any action with respect to the Plan taken by the Plan Administrator or the
Funding Trustee or any action authorized by or taken at the direction of the
Plan Administrator, the Employer or the Funding Trustee shall be conclusive upon
all Participants and beneficiaries entitled to benefits under the Plan.

      10.5 Receipt and Release

      Any payment to any Participant or beneficiary in accordance with the
provisions of the Plan shall, to the extent thereof, be in full satisfaction of
all claims against the Employer, the Plan Administrator and the Funding Trustee
under the Plan, and the Plan Administrator may require such Participant or
beneficiary, as a condition precedent to such payment, to execute a receipt and
release to such effect. If any Participant or beneficiary is determined by the
Plan Administrator to be incompetent by reason of physical or mental disability
or other legal disability (including minority) to give a valid receipt and
release, the Plan Administrator may cause the payment or payments becoming due
to such person to be made to another person for his or her benefit without
responsibility on the part of the Plan Administrator, the Employer or the
Funding Trustee to follow the application of such funds.

      10.6 Governing Law

      The Plan shall be construed, administered, and governed in all respects
under and by the laws of the State of Illinois. If any provision shall be held
by a court of competent jurisdiction to be invalid or unenforceable, the
remaining provisions hereof shall continue to be fully effective.

                                     -26-
<PAGE>

     10.7 Headings and Subheadings

     Headings and subheading in this Plan are inserted for convenience only and
are not to be considered in the construction of the provisions hereof. EXECUTED,
on behalf of Arthur J. Gallagher & Company as of the ____ day of __________,
1998.

                              ARTHUR J. GALLAGHER & CO.


                              By_______________________________

                                     -27-

<PAGE>

                                                                    EXHIBIT 21.0

                           SUBSIDIARIES OF GALLAGHER

  In the following list of subsidiaries of Gallagher, those companies which are
indented represent subsidiaries of the corporation under which they are
indented. Except for directors' qualifying shares, 100% of the voting stock of
each of the subsidiaries listed below, other than those indicated by footnote,
is owned of record or beneficially by its indicated parent.(1)

<TABLE>
<CAPTION>
                                                                 State or Other
                                                                 Jurisdiction of
Name                                                              Incorporation
- ----                                                             ---------------
<S>                                                              <C>
Arthur J. Gallagher & Co. (Registrant).......................... Delaware
  Arthur J. Gallagher & Co. (Illinois).......................... Illinois
    Arthur J. Gallagher & Co. of Oklahoma, Inc.................. Oklahoma
    Arthur J. Gallagher Risk Management Services, Inc........... Illinois
      Arthur J. Gallagher & Co. of Michigan, Inc................ Michigan
      Arthur J. Gallagher & Co. of Wisconsin, Inc............... Wisconsin
      Arthur J. Gallagher & Co. of Pennsylvania, Inc............ Pennsylvania
      Gallagher Captive Services, Inc........................... Delaware
  Arthur J. Gallagher & Co.--Chicago Metro...................... Illinois
  Arthur J. Gallagher & Co. (St. Louis)......................... Delaware
  Gallagher Holt, Inc........................................... Texas
    Arthur J. Gallagher, Inc.................................... Texas
  Gallagher Braniff, Inc........................................ Texas
  Arthur J. Gallagher & Co. (Florida)........................... Florida
  Arthur J. Gallagher & Co. of New York, Inc.................... New York
  Arthur J. Gallagher & Co. Ohio Agency, Inc.................... Ohio
  Risk Placement Services, Inc.................................. Illinois
  Arthur J. Gallagher & Co.--Greenville......................... South Carolina
  Arthur J. Gallagher and Co. of Massachusetts, Inc............. Massachusetts
    Gallagher Insurance Advisors, Inc........................... Massachusetts
  Arthur J. Gallagher & Co. of Rhode Island, Inc................ Rhode Island
  Arthur J. Gallagher International, Inc........................ Delaware
  Arthur J. Gallagher & Co. (Bermuda) Limited................... Bermuda
    Arthur J. Gallagher Intermediaries (Bermuda) Limited........ Bermuda
    Arthur J. Gallagher Management (Bermuda) Limited............ Bermuda
    Gallagher Captive Services (Cayman) Limited................. Cayman Islands
    Scholastic Risk Services Limited............................ Bermuda
    Artex Insurance Company Ltd(2).............................. Bermuda
    Artex Underwriting Managers Ltd............................. Bermuda
  Protected Insurance Company................................... Bermuda
  Arthur J. Gallagher & Co.--Little Rock........................ Arkansas
  Arthur J. Gallagher & Co. of Georgia, Inc..................... Georgia
  Arthur J. Gallagher (UK) Limited.............................. England
    Risk Management Partners Ltd.(3)............................ England
    John Plumer & Company Limited............................... England
    Morgan Insurance Services Limited........................... England
  Gallagher Bassett Services, Inc............................... Delaware
    Gallagher Bassett of New York, Inc.......................... New York
    Gallagher Bassett International Ltd......................... Delaware
    Gallagher Bassett International Ltd. (UK)................... England
    Gallagher Bassett Canada Inc................................ Canada
    Gallagher Benefit Administrators, Inc....................... Illinois
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
                                                                State or Other
                                                                Jurisdiction of
Name                                                             Incorporation
- ----                                                            ---------------
<S>                                                             <C>
    Gallagher Bassett Investigative Services, Inc.............. Delaware
    Wyatt Gallagher Bassett Pty Ltd(3)......................... Australia
      Gallagher Bassett Australia Pty Ltd...................... Australia
      Wyatt Emerson Pty Ltd.................................... Australia
      Wyatt Group (PNG) Pty Ltd................................ New Guinea
  Gallagher Bassett International S.A.......................... France
  Arthur J. Gallagher & Co. Insurance Brokers of California,
   Inc......................................................... California
    Charity First Insurance Services, Inc...................... California
  Arthur J. Gallagher & Co. of Connecticut, Inc................ Connecticut
  Arthur J. Gallagher Intermediaries, Inc...................... New York
  LHC of Illinois, Inc......................................... Illinois
  Arthur J. Gallagher & Co.--Denver............................ Colorado
  Arthur J. Gallagher & Co. of Washington, Inc................. Washington
  Gallagher Louisiana, Inc..................................... Louisiana
    Arthur J. Gallagher of Louisiana, Inc...................... Louisiana
  Arthur J. Gallagher & Co. of Mississippi, Inc................ Mississippi
  Arthur J. Gallagher & Co.--Kansas City, Inc.................. Missouri
    IMC Insurance Management Corporation....................... Missouri
      IMC Services Corporation................................. Missouri
  GBS Retirement Services, Inc................................. New York
  Arthur J. Gallagher & Co. of New Jersey, Inc................. New Jersey
  Arthur J. Gallagher & Co. Ohio Life Agency, Inc.............. Ohio
  Gallagher Pipino, Inc........................................ Ohio
  Arthur J. Gallagher & Co. of Minnesota, Inc.................. Minnesota
  Gallagher Alliance Insurance Services, Inc................... Arizona
  AJG Financial Services, Inc.................................. Delaware
    AJG Capital, Inc.(4)....................................... Illinois
    AJG Investments, Inc....................................... Delaware
    AJG Premium Finance, Inc................................... Illinois
  Lamberson Koster & Company................................... California
  Arthur J. Gallagher & Co. of Tennessee, Inc.................. Tennessee
  Arthur J. Gallagher & Co. of Kentucky, Inc................... Kentucky
  Gallagher Benefit Services, Inc.............................. Delaware
    Gallagher Benefit Services of Michigan, Inc................ Michigan
    Gallagher Benefit Services of the Carolinas, Inc........... North Carolina
    Gallagher Benefit Services of Colorado, Inc................ Colorado
    Gallagher Benefit Services of Kansas City, Inc............. Delaware
    Gallagher Benefit Services of New York, Inc................ New York
    Gallagher Benefit Services of Texas, Inc................... Texas
    Gallagher Benefit Services of Washington, D.C.............. Delaware
  Generation 2000 Loss Control Services, Inc................... Tennessee
  Risk Placement Services of Texas, Inc........................ Texas
  Arthur J. Gallagher Service Company.......................... Delaware
</TABLE>
- --------
(1) Gallagher conducts some of its operations under the following names:
    Gallagher Bassett Information Services; Gallagher Risk Management
    Services; Pacific Atlantic Administrators; The Boston Insurance Center;
    Gallagher Heffernan; Broussard, Bush & Hurst; Henley, Williams &
    Associates; Gallagher Steel Agency; Bryce Insurance; CMC Claims Management
    Corporation; The Planning Corporation; Environmental Claims Management
    Incorporated; Gallagher Byerly, Inc.; Innovative Risk Services, Inc.; and
    International Special Risk Services, Inc.
(2) 76% of the Common Stock of this subsidiary is owned by two third parties.
(3) 50% of the Common Stock of each of these subsidiaries is owned by an
    unrelated party.
(4) 10% of the Common Stock of this subsidiary is owned by an unrelated party.

<PAGE>

                                                                    EXHIBIT 23.1

                        CONSENT OF INDEPENDENT AUDITORS

  Our audits included the consolidated financial statement schedule of Arthur
J. Gallagher & Co. (Gallagher) listed in Item 14(a). This schedule is the
responsibility of Gallagher's management. Our responsibility is to express an
opinion based on our audits. In our opinion, with respect to which the date is
January 20, 2000, the consolidated financial statement schedule referred to
above, when considered in relation to the basic consolidated financial
statements taken as a whole, presents fairly in all material respects the
information set forth therein.

  We consent to the incorporation by reference in the Registration Statements
(Form S-8, No. 33-604 and Form S-8, No. 33-14625) pertaining to the Arthur J.
Gallagher & Co. Incentive and United Kingdom Incentive Plans, in the
Registration Statements (Form S-8, No. 33-24251, Form S-8, No. 33-38031 and
Form S-8, No. 333-57155) pertaining to the Arthur J. Gallagher & Co. 1988
Incentive and 1988 Nonqualified Stock Option Plans, in the Registration
Statement (Form S-8, No. 33-30816) pertaining to the Arthur J. Gallagher & Co.
Non-Employee Directors' Stock Option Plan, in the Registration Statements (Form
S-8, No. 33-64614 and Form S-8, No. 33-80648) pertaining to the Arthur J.
Gallagher & Co. 1988 Incentive, 1988 Nonqualified, and Non-Employee Directors'
Stock Option Plans, in the Registration Statement (Form S-8, No. 333-06359)
pertaining to the Arthur J. Gallagher & Co. 1988 Nonqualified and Non-Employee
Directors' Stock Option Plans, in the Registration Statement (Form S-4, No.
333-75197) for the registration of 1,175,000 shares of common stock, in the
Registration Statement (Form S-3, No. 333-84139) for the registration of 25,000
shares of common stock, and in the related Prospectuses, of our report dated
January 20, 2000 with respect to the consolidated financial statements included
herein, and our report included in the preceding paragraph with respect to the
consolidated financial statement schedule included in this Annual Report on
Form 10-K of Arthur J. Gallagher & Co.

                                          /s/ Ernst & Young LLP
                                          -------------------------------------
                                          Ernst & Young LLP

Chicago, Illinois
March 22, 2000

<PAGE>

                                                                    EXHIBIT 24.0

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints John C. Rosengren his true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him, and in his name, place
and stead, in any and all capacities (i) to sign the Arthur J. Gallagher & Co.
Annual Report on Form 10-K for the fiscal year ending December 31, 1999 and any
and all amendments thereto and (ii) to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in such connection, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

      IN WITNESS WHEREOF, the undersigned has duly executed this instrument as
of this 16th day of March, 2000.


                                            /s/ FRANK M. HEFFERNAN, JR.
                                            ----------------------------
                                            Frank M. Heffernan, Jr.
<PAGE>

                                                                    EXHIBIT 24.0

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints John C. Rosengren his true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him, and in his name, place
and stead, in any and all capacities (i) to sign the Arthur J. Gallagher & Co.
Annual Report on Form 10-K for the fiscal year ending December 31, 1999 and any
and all amendments thereto and (ii) to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in such connection, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

      IN WITNESS WHEREOF, the undersigned has duly executed this instrument as
of this 16th day of March, 2000.


                                            /s/ T. KIMBALL BROOKER
                                            ----------------------------
                                            T. Kimball Brooker

<PAGE>

                                                                    EXHIBIT 24.0

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints John C. Rosengren his true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him, and in his name, place
and stead, in any and all capacities (i) to sign the Arthur J. Gallagher & Co.
Annual Report on Form 10-K for the fiscal year ending December 31, 1999 and any
and all amendments thereto and (ii) to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in such connection, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

      IN WITNESS WHEREOF, the undersigned has duly executed this instrument as
of this 16th day of March, 2000.


                                            /s/ ROBERT E. GALLAGHER
                                            ----------------------------
                                            Robert E. Gallagher
<PAGE>

                                                                    EXHIBIT 24.0

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints John C. Rosengren his true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him, and in his name, place
and stead, in any and all capacities (i) to sign the Arthur J. Gallagher & Co.
Annual Report on Form 10-K for the fiscal year ending December 31, 1999 and any
and all amendments thereto and (ii) to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in such connection, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

      IN WITNESS WHEREOF, the undersigned has duly executed this instrument as
of this 16th day of March, 2000.


                                            /s/ JACK M. GREENBERG
                                            ----------------------------
                                            Jack M. Greenberg
<PAGE>

                                                                    EXHIBIT 24.0

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints John C. Rosengren his true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him, and in his name, place
and stead, in any and all capacities (i) to sign the Arthur J. Gallagher & Co.
Annual Report on Form 10-K for the fiscal year ending December 31, 1999 and any
and all amendments thereto and (ii) to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in such connection, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

      IN WITNESS WHEREOF, the undersigned has duly executed this instrument as
of this 16th day of March, 2000.


                                            /s/ ROBERT RIPP
                                            ----------------------------
                                            Robert Ripp
<PAGE>

                                                                    EXHIBIT 24.0

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints John C. Rosengren his true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him, and in his name, place
and stead, in any and all capacities (i) to sign the Arthur J. Gallagher & Co.
Annual Report on Form 10-K for the fiscal year ending December 31, 1999 and any
and all amendments thereto and (ii) to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in such connection, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

      IN WITNESS WHEREOF, the undersigned has duly executed this instrument as
of this 16th day of March, 2000.


                                            /s/ WALTER F. McCLURE
                                            ----------------------------
                                            Walter F. McClure
<PAGE>

                                                                    EXHIBIT 24.0

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints John C. Rosengren his true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him, and in his name, place
and stead, in any and all capacities (i) to sign the Arthur J. Gallagher & Co.
Annual Report on Form 10-K for the fiscal year ending December 31, 1999 and any
and all amendments thereto and (ii) to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in such connection, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

      IN WITNESS WHEREOF, the undersigned has duly executed this instrument as
of this 16th day of March, 2000.


                                            /s/ JAMES R. WIMMER
                                            ----------------------------
                                            James R. Wimmer
<PAGE>

                                                                    EXHIBIT 24.0

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints John C. Rosengren his true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him, and in his name, place
and stead, in any and all capacities (i) to sign the Arthur J. Gallagher & Co.
Annual Report on Form 10-K for the fiscal year ending December 31, 1999 and any
and all amendments thereto and (ii) to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in such connection, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

      IN WITNESS WHEREOF, the undersigned has duly executed this instrument as
of this 16th day of March, 2000.


                                            /s/ PETER J. DURKALSKI
                                            ----------------------------
                                            Peter J. Durkalski
<PAGE>

                                                                    EXHIBIT 24.0

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints John C. Rosengren his true and lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for him, and in his name, place
and stead, in any and all capacities (i) to sign the Arthur J. Gallagher & Co.
Annual Report on Form 10-K for the fiscal year ending December 31, 1999 and any
and all amendments thereto and (ii) to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorney-in-fact and agent full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in such connection, as fully to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.

      IN WITNESS WHEREOF, the undersigned has duly executed this instrument as
of this 16th day of March, 2000.


                                            /s/ ILENE S. GORDON
                                            ----------------------------
                                            Ilene S. Gordon

<TABLE> <S> <C>

<PAGE>

<ARTICLE> 5
<LEGEND> This schedule contains summary financial information extracted from
the Arthur J. Gallagher & Co. Consolidated Financial Statements included in the
Form 10-K Annual Report for the fiscal year ended December 31, 1999 and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                         DEC-31-1999              DEC-31-1998              DEC-31-1997
<PERIOD-START>                            JAN-01-1999              JAN-01-1998              JAN-01-1997
<PERIOD-END>                              DEC-31-1999              DEC-31-1998              DEC-31-1997
<CASH>                                        169,955                  155,565                  163,581
<SECURITIES>                                   63,857                   57,368                   62,681
<RECEIVABLES>                                 365,759                  295,389                  228,192
<ALLOWANCES>                                      905                    1,500                      860
<INVENTORY>                                         0                        0                        0
<CURRENT-ASSETS>                              642,842                  544,357                  495,181
<PP&E>                                        112,350                  100,368                   92,503
<DEPRECIATION>                                 76,101                   68,399                   62,738
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                               0                        0                        0
                                         0                        0                        0
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<OTHER-SE>                                    205,627                  169,141                  136,943
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<SALES>                                       577,551                  540,675                  490,681
<TOTAL-REVENUES>                              605,836                  559,647                  524,604
<CGS>                                         312,690                  291,130                  267,572
<TOTAL-COSTS>                                 312,690                  291,130                  267,572
<OTHER-EXPENSES>                              188,296                  180,612                  169,574
<LOSS-PROVISION>                                (567)                      238                      644
<INTEREST-EXPENSE>                              1,182                    1,390                    1,132
<INCOME-PRETAX>                               104,235                   86,277                   85,682
<INCOME-TAX>                                   36,482                   28,140                   28,101
<INCOME-CONTINUING>                            67,753                   58,137                   57,581
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<EXTRAORDINARY>                                     0                        0                        0
<CHANGES>                                           0                        0                        0
<NET-INCOME>                                   67,753                   58,137                   57,581
<EPS-BASIC>                                    1.85                     1.61                     1.64
<EPS-DILUTED>                                    1.76                     1.54                     1.59


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