EXCHANGE APPLICATIONS INC
S-1, 1999-05-10
COMPUTER INTEGRATED SYSTEMS DESIGN
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<PAGE>   1
 
      AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MAY 10, 1999
 
                                                   REGISTRATION NO.
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
                                    FORM S-1
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                            ------------------------
 
                          EXCHANGE APPLICATIONS, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<S>                                        <C>                                        <C>
                 DELAWARE                                     7373                                    04-3338916
     (STATE OR OTHER JURISDICTION OF              (PRIMARY STANDARD INDUSTRIAL                     (I.R.S. EMPLOYER
      INCORPORATION OR ORGANIZATION)              CLASSIFICATION CODE NUMBERS)                   IDENTIFICATION NO.)
</TABLE>
 
                                89 SOUTH STREET
                          BOSTON, MASSACHUSETTS 02111
                                 (617) 737-2244
  (ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF
                   REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)
                            ------------------------
 
                               ANDREW J. FRAWLEY
                        CHAIRMAN OF THE BOARD, PRESIDENT
                          AND CHIEF EXECUTIVE OFFICER
                          EXCHANGE APPLICATIONS, INC.
                                89 SOUTH STREET
                          BOSTON, MASSACHUSETTS 02111
                                 (617) 737-2244
 (NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                             OF AGENT FOR SERVICE)
                            ------------------------
 
                                WITH COPIES TO:
 
<TABLE>
<S>                                                          <C>
                   NEIL W. TOWNSEND, ESQ.                                       DAVID C. CHAPIN, ESQ.
                      BINGHAM DANA LLP                                               ROPES & GRAY
                     150 FEDERAL STREET                                        ONE INTERNATIONAL PLACE
                BOSTON, MASSACHUSETTS 02110                                  BOSTON, MASSACHUSETTS 02110
                       (617) 951-8000                                               (617) 951-7000
                FACSIMILE NO. (617) 951-8736                                 FACSIMILE NO. (617) 951-7050
</TABLE>
 
                            ------------------------
 
    APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon as
practicable after the effective date of this Registration Statement.
 
    If any of the securities being registered on this form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, as amended, check the following box.  [ ]
    If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering.  [ ]
    If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier registration statement for the same
offering.  [ ]
    If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box.  [ ]
                            ------------------------
 
                        CALCULATION OF REGISTRATION FEE
 
<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
                                                 AMOUNT        PROPOSED MAXIMUM    PROPOSED MAXIMUM
           TITLE OF EACH CLASS OF                 TO BE         OFFERING PRICE         AGGREGATE           AMOUNT OF
        SECURITIES TO BE REGISTERED           REGISTERED(1)      PER SHARE(2)      OFFERING PRICE(2)    REGISTRATION FEE
<S>                                           <C>              <C>                 <C>                  <C>
- ------------------------------------------------------------------------------------------------------------------------
Common Stock, $0.001 par value..............    3,450,000          $28.125            $97,031,250           $26,975
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
</TABLE>
 
(1) Includes 450,000 shares subject to the underwriters over-allotment option.
    See "Underwriting."
 
(2) Estimated solely for the purpose of calculating the registration fee in
    accordance with Rule 457 under the Securities Act of 1933, as amended, on
    the basis of the average of the high and the low prices of Exchange
    Applications, Inc. Common stock, $.001 par value, reported on the Nasdaq
    National Market on April 30, 1999.
                            ------------------------
 
    THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933, AS AMENDED, OR UNTIL THE REGISTRATION STATEMENT
SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID
SECTION 8(A), MAY DETERMINE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   2
 
THE INFORMATION IN THIS PROSPECTUS ISN'T COMPLETE. IT MIGHT CHANGE. EXCHANGE
APPLICATIONS AND THE SELLING STOCKHOLDERS ARE NOT ALLOWED TO SELL THE COMMON
STOCK OFFERED BY THIS PROSPECTUS UNTIL THE REGISTRATION STATEMENT THAT WE HAVE
FILED WITH THE SEC BECOMES EFFECTIVE. THIS PROSPECTUS ISN'T AN OFFER TO SELL OUR
COMMON STOCK -- AND DOESN'T SOLICIT OFFERS TO BUY -- IN ANY STATE WHERE THE
OFFER OR SALE ISN'T PERMITTED.
 
                                                          SUBJECT TO COMPLETION,
                                                              DATED MAY 10, 1999
 
                                3,000,000 SHARES
                          [EXCHANGE APPLICATION LOGO]
 
                                  COMMON STOCK
 
                               ------------------
 
     Exchange Applications, Inc. is offering 1,000,000 shares of its common
stock. The selling stockholders identified in this prospectus are offering an
additional 2,000,000 shares. We will not receive any of the proceeds from the
sale of shares by the selling stockholders. Our common stock is traded on the
Nasdaq National Market under the symbol "EXAP". On May 6, 1999, the last
reported sale price of our common stock was $30.50.
 
            INVESTING IN OUR COMMON STOCK INVOLVES A HIGH DEGREE OF RISK.
                    SEE "RISK FACTORS" BEGINNING ON PAGE 5.
 
<TABLE>
<CAPTION>
                                                               PER SHARE                   TOTAL
<S>                                                     <C>                       <C>
Public Offering Price.................................             $                         $
Underwriting Discounts................................             $                         $
Proceeds, before expenses, to Exchange Applications...             $                         $
Proceeds to the selling stockholders..................             $                         $
</TABLE>
 
     The selling stockholders intend to grant the underwriters a 30-day option
to purchase up to an additional 450,000 shares of our common stock to cover
over-allotments.
 
     NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL VIOLATION.
 
BT ALEX. BROWN
                HAMBRECHT & QUIST
                               ADAMS, HARKNESS & HILL, INC.
                                            SOUNDVIEW TECHNOLOGY GROUP
 
                THE DATE OF THIS PROSPECTUS IS           , 1999.
<PAGE>   3
 
                         CONTINUOUS CUSTOMER MANAGEMENT
                   OPTIMIZING CUSTOMER VALUE THROUGH PROCESS,
                           APPLICATIONS & TECHNOLOGY
 
                                   [ART WORK]
 
[This graphic is a series of diagrams showing the VALEX architecture interfacing
with customer databases and customer touchpoints surrounded by figures depicting
the functional benefits of VALEX.]
 
Continuous Customer Management, or CCM is Exchange Applications' enterprise-wide
offering for customer optimization. The CCM solution, including the Company's
VALEX software and related consulting and integration services, is designed to
enable businesses to:
 
 - Analyze enterprise-wide databases of customer information for opportunity
   identification investment
 
 - Conduct customer planning to prioritize for opportunity identification
   investment
 
 - Perform campaign management to execute targeted, real-time and 
   event-triggered customer communications
 
 - Select the most effective methods of customer interaction
 
 - Perform measurement and analysis to continuously evaluate and refine
   marketing campaigns to maximize customer profitability
 
<PAGE>   4
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                              PAGE
                                                              ----
<S>                                                           <C>
Prospectus Summary..........................................    1
Risk Factors................................................    5
Use of Proceeds.............................................   11
Dividend Policy.............................................   11
Price Range of Common Stock.................................   11
Capitalization..............................................   12
Dilution....................................................   13
Selected Consolidated Financial Data........................   14
Management's Discussion and Analysis of Financial Condition
  and Results of Operations.................................   16
Business....................................................   29
Management..................................................   44
Certain Transactions........................................   50
Principal and Selling Stockholders..........................   53
Description of Capital Stock................................   56
Shares Eligible for Future Sale.............................   58
Underwriting................................................   60
Validity of the Common Stock................................   61
Experts.....................................................   61
Where You Can Find More Information.........................   62
Index to Consolidated Financial Statements..................  F-1
</TABLE>
 
                            ------------------------
 
     Exchange Applications, VALEX, Continuous Customer Management, CCM, Customer
Relationship Optimization, Velocity Connect, Model Connect, Metrics Repository
and the Exchange Applications logo are trademarks of the Company. All other
trademarks or tradenames referred to in this prospectus are the property of
their respective owners.
<PAGE>   5
 
                               PROSPECTUS SUMMARY
 
     You should read the following summary together with the more detailed
information regarding Exchange Applications and the common stock being sold in
the offering, as well as our consolidated financial statements and accompanying
notes appearing elsewhere in this prospectus. The terms "Exchange Applications,"
"we," "us," and "our" refer to Exchange Applications, Inc. and its subsidiaries.
 
                             EXCHANGE APPLICATIONS
 
     We are a leading provider of customer optimization software products and
services. Our software and services are designed to enable businesses to
optimize the value of customer relationships across channels, products and
service lines. Our VALEX software and consulting services help companies better
understand their customers and prospects, and use that understanding to plan and
execute highly targeted marketing campaigns and evaluate their impact.
 
     We help organizations answer the critical question: "How do we optimize the
value we receive from a particular customer in exchange for the dollars invested
in that customer?" With that answer, businesses reach promising customer
segments through timely campaigns built using VALEX. By providing selected
customers with the right offers, at the right times, through the right channels,
companies can enjoy measurable returns on their marketing investments as both
revenues and customer satisfaction rise.
 
     Today's increasingly competitive business environment is driving many
companies to seek ways to increase profitability through revenue growth. To
efficiently grow revenue, many businesses have begun to adopt software
applications intended to help them acquire new customers and retain and expand
existing customer relationships. To enable this focus on customers, businesses
need:
 
     - an investment allocation methodology to identify profitable customer
       opportunities;
 
     - the ability to access and analyze large amounts of customer information;
 
     - marketing automation and campaign management applications to design and
       implement effective marketing campaigns;
 
     - technologies to manage interactions with customers; and
 
     - the ability to evaluate the effectiveness of investments on current and
       potential customer profitability.
 
     We provide a solution called Continuous Customer Management, which includes
our VALEX software product and related consulting and integration services. This
solution is designed to enable businesses to maximize profitability by:
 
     - providing a complete view of the relationship between a business and its
       customers;
 
     - interfacing with a range of data-mining, reporting, modeling and Web
       interaction analysis products that access data warehouses to identify
       high-value customers;
 
     - providing powerful marketing automation and campaign management software
       that allows marketers to define and execute highly timely and targeted
       marketing campaigns and other customer communications;
 
     - integrating with front-office customer touchpoints, such as call centers,
       direct mail, sales forces, e-mail and Web sites, to deliver
       communications to existing and potential customers; and
 
     - tracking the success or failure of communication streams to ensure more
       effective investment in customers.
 
                                        1
<PAGE>   6
 
     With our solution, businesses seek to achieve customer relationship
optimization, which involves proactively managing the economics of each customer
relationship to enable businesses to reach their full profit potential. Through
Continuous Customer Management and VALEX, businesses gain an understanding of
the economics of customer relationships, measure customer value and provide
incentives through campaigns that influence and optimize customer behavior. Our
solution offers the following key benefits:
 
     - Improved Profitability and Revenue Growth.  Through the use of our
       solution, businesses have achieved increased customer retention rates,
       lower acquisition costs, more efficient cross selling and better customer
       satisfaction due to more relevant, less intrusive communications.
 
     - Comprehensive Solution.  Our products and services are designed to
       provide a complete solution for customer optimization. We believe that
       our combined offering of software, proprietary methodologies and
       consulting services help businesses implement marketing automation and
       campaign management software and improve customer profitability quickly
       and with little risk.
 
     - Enterprise-wide Customer View.  VALEX is designed to enable organizations
       to access and use all types of information stored in data warehouses.
       Businesses are therefore not restricted in the scope or type of
       information used to design customer optimization strategies.
 
     - Increased Marketing Velocity.  VALEX is designed to allow businesses to
       reduce dramatically the cycle time from planning through design,
       execution and measurement of campaigns to better respond to competitive
       and market pressures and to quickly evaluate new campaigns.
 
     - Open, Extensible Architecture.  VALEX is designed to be open, easy-to-use
       and scaleable across a wide variety of computing environments, and can be
       integrated with existing hardware and software environments.
 
     Our objective is to be the leading provider of customer optimization
software and solutions. Strategies to achieve this include:
 
     - extending the technology of VALEX to broaden its capabilities;
 
     - offering additional customer optimization solutions through internal
       development and/or acquisition;
 
     - increasing our focus on industries other than the telecommunications and
       financial services industries;
 
     - broadening distribution channels and building additional alliances;
 
     - expanding global direct sales efforts; and
 
     - increasing Web-based capabilities.
 
     We have deployed our solution across many industries, with installations at
over 70 different locations in North and South America, Europe and the Pacific
Rim. Our customers include Ameritrade, Bell Atlantic, Citigroup, Federal
Express, Fidelity Investments, Fleet Bank, Hongkong Telephone, NatWest Bank
(U.K.), Nextel, Staples and U S West. Our products and services are distributed
through our direct sales force, through re-seller relationships with IBM, NCR
and others, and through co-marketing arrangements with companies such as
Andersen Consulting, Compaq, Ernst & Young, KPMG, MicroStrategy,
PricewaterhouseCoopers, Renaissance Worldwide, SAS Institute and Sun
Microsystems.
 
                                        2
<PAGE>   7
 
                                  THE OFFERING
 
Common Stock offered by the
  Company.....................   1,000,000 shares
 
Common Stock offered by the
  Selling stockholders........   2,000,000 shares
 
Common Stock outstanding after
  the offering................   10,825,090 shares
 
Nasdaq National Market
symbol........................   "EXAP"
 
Use of Proceeds...............   For general corporate purposes, including
                                 working capital and potential acquisitions.
 
     This information is based on our shares of common stock outstanding as of
March 31, 1999. It excludes:
 
     - 2,940,229 shares of common stock issuable upon exercise of options
       outstanding at May 3, 1999 with exercise prices ranging from $0.65 to
       $19.50 and with a weighted averaged exercise price of $6.73 per share;
       and
 
     - 5,766,428 shares of common stock reserved for future grants or issuances
       under our stock option and stock purchase plans, including those shares
       issuable upon exercise of options outstanding at May 3, 1999.
 
                 HISTORICAL BACKGROUND OF EXCHANGE APPLICATIONS
 
     We began operations in 1994 and were incorporated in Delaware on November
7, 1996. Prior to November 15, 1996, we operated as a division of two entities,
Grant & Partners, Inc., or GPI, and Grant & Partners Limited Partnership, or
GPLP. GPI was incorporated in June 1993 and was primarily engaged in providing
management consulting services. In November 1994, GPI segregated its operations
into two business segments: a management consulting practice and a software
applications development practice. Management and financial resources were
allocated to the development of VALEX by the software development practice
group.
 
     On March 28, 1995, GPI entered into a limited partnership agreement with
Cyrk, Inc. to form GPLP with a goal of providing marketing and customer
management services for companies in a wide range of industries, including
retail, transportation, banking and manufacturing. GPLP operated as two separate
divisions: 1) the Exchange Applications division, which focused on marketing
program design and execution, customer database construction and software
application development; and 2) the Exchange Partners division, which focused on
providing a variety of management consulting services for marketing
organizations.
 
     On November 15, 1996, GPLP sold the Exchange Applications division to
Exchange Applications, Inc. in exchange for 2,300,000 shares of our preferred
stock. We also issued 2,484,375 shares of common stock to certain employees.
 
     The consolidated financial statements prior to November 15, 1996 represent
the financial results of the Exchange Applications division as included in the
consolidated financial statements of GPI from January 1, 1995 to March 27, 1995
and of GPLP from March 28, 1995 to November 14, 1996.
 
     Our principal executive offices are located at 89 South Street, Boston,
Massachusetts 02111, and our telephone number is (617) 737-2244.
 
                                        3
<PAGE>   8
 
                   SUMMARY CONSOLIDATED FINANCIAL INFORMATION
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
     The Consolidated Statement of Operations Data for the year ended December
31, 1996 include the operations of Exchange Applications on a carve-out basis
prior to November 15, 1996. During this period, we operated as a separate and
substantially independent division of Grant & Partners, Inc. and Grant &
Partners Limited Partnership, and focused on developing VALEX and providing
integration and consulting services. The pro forma information included in the
table below is computed on the basis described in Note 2(c) of the Notes to
Consolidated Financial Statements.
 
<TABLE>
<CAPTION>
                                                                            THREE MONTHS
                                                                               ENDED
                                              YEAR ENDED DECEMBER 31,        MARCH 31,
                                            ---------------------------   ----------------
                                             1996      1997      1998      1998     1999
                                            -------   -------   -------   ------   -------
<S>                                         <C>       <C>       <C>       <C>      <C>
CONSOLIDATED STATEMENT OF OPERATIONS DATA:
Total revenues............................  $ 6,034   $12,669   $24,776   $4,791   $ 8,320
Gross profit..............................    1,939     5,735    17,755    3,072     6,314
Income (loss) from operations.............   (1,411)   (2,638)     (966)    (470)      423
Net income (loss).........................   (1,606)   (2,613)     (976)    (447)      410
Net income (loss) applicable to common
  stockholders............................   (1,606)   (3,297)   (1,156)    (507)      410
Diluted net income (loss) per share
  applicable to common stockholders.......            $ (1.13)  $ (0.30)  $(0.14)  $  0.04
Diluted weighted average common shares
  outstanding.............................              2,920     3,812    3,539     9,732
Pro forma diluted net loss per share......            $ (0.48)  $ (0.13)  $(0.06)
Pro forma diluted weighted average common
  shares outstanding......................              5,391     7,592    7,319    11,605
</TABLE>
 
     The Consolidated Balance Sheet Data has been adjusted to reflect the sale
of 1,000,000 shares of common stock offered at an assumed offering price of
$30.50 per share, after deducting underwriting discounts and commissions and
estimated offering expenses.
 
<TABLE>
<CAPTION>
                                                               AS OF MARCH 31, 1999
                                                              ----------------------
                                                              ACTUAL     AS ADJUSTED
                                                              -------    -----------
<S>                                                           <C>        <C>
CONSOLIDATED BALANCE SHEET DATA:
Cash, cash equivalents, and marketable securities...........  $18,320      $46,568
Working capital.............................................   21,365       49,613
Total assets................................................   31,574       59,822
Long-term debt, net of current portion......................      111          111
Stockholders' equity........................................   24,730       52,978
</TABLE>
 
                                        4
<PAGE>   9
 
                                  RISK FACTORS
 
     An investment in our common stock is very risky. You should carefully
consider the risks described below and the other information in this prospectus
before purchasing the common stock.
 
OUR LIMITED OPERATING HISTORY MAKES EVALUATING OUR BUSINESS DIFFICULT.
 
     We began commercial shipment of the initial VALEX product in July 1996. We
were not a separate company until November 1996. Accordingly, we have only a
limited operating history for you to evaluate our business. You must consider
the risks, expenses and difficulties that an early-stage company like ours
faces. These risks include our ability to:
 
     - successfully respond to competitive developments;
 
     - continue to upgrade our products and service offerings; and
 
     - continue to attract, retain and motivate qualified personnel.
 
WE ONLY RECENTLY BECAME PROFITABLE, AND WE MAY NOT BE ABLE TO REMAIN PROFITABLE.
 
     We first became profitable in the quarter ended September 30, 1998.
However, we had a net loss of approximately $976,000 for the fiscal year ended
December 31, 1998. Our revenues have increased in recent fiscal quarters, but we
cannot be certain that we will sustain these growth rates, that we will become
profitable on an annual basis, or that we will remain profitable on a quarterly
basis in the future.
 
OUR QUARTERLY OPERATING RESULTS MAY FLUCTUATE SIGNIFICANTLY AND YOU SHOULD NOT
RELY ON THEM TO PREDICT OUR FUTURE PERFORMANCE.
 
     Our quarterly revenues, expenses and operating results may vary
significantly from quarter to quarter due to a number of factors. Therefore, you
should not rely on period-to-period comparisons of results of operations as an
indication of future performance. Moreover, our operating results may fall below
market analysts' expectations in some future quarters. This could cause the
trading price of our common stock to decline. See "Management's Discussion and
Analysis of Financial Condition and Results of Operations" for factors that may
impact our quarterly results.
 
OUR BUSINESS MAY SUFFER IF OUR SOLUTIONS ARE NOT ACCEPTED BY NEW CUSTOMERS.
 
     We currently derive all of our revenues from VALEX licenses and services
related to our Continuous Customer Management solution. We anticipate that these
sources will continue to account for a majority of our revenues for the
foreseeable future. As a result, our business will suffer if the market does not
accept our solutions and our future enhancements of these solutions. If demand
for our solutions drops as a result of competition, technological change or
other factors, our business could be substantially harmed.
 
     The market for customer optimization software applications is still
emerging and it may not continue to grow. Even if the market does grow,
businesses may not adopt our solutions. We have spent, and intend to continue to
spend, considerable resources educating potential customers about customer
optimization software and services in general and about the features and
functions of our products and services in particular. However, our solutions may
not achieve any additional degree of market acceptance. If the market for our
solutions fails to grow or grows more slowly than we currently anticipate, our
business would be materially harmed.
 
                                        5
<PAGE>   10
 
WE DEPEND ON A FEW INDUSTRIES FOR MOST OF OUR SALES, AND WE MAY NOT BE
SUCCESSFUL IN EXPANDING BEYOND THOSE LIMITED MARKETS.
 
     A substantial portion of our revenues has been derived from sales to
telecommunications companies and financial institutions, including retail banks,
credit card issuers and mutual fund companies. We may not continue to be
successful in these markets. In addition, we may not be successful in achieving
significant market acceptance in other markets that we target.
 
THE LOSS OF ONE OF OUR LARGEST CUSTOMERS COULD CAUSE OUR REVENUES TO DROP
QUICKLY AND UNEXPECTEDLY.
 
     In fiscal 1998 and in the quarter ended March 31, 1999, our top five
customers accounted for 31.3% and 48.9% of total revenues, respectively. We
cannot be certain that our current customers will continue to do business with
us, that business from existing customers will continue at the levels of
previous periods, or that we will be able to do a significant amount of business
with new customers. If we lose one of our customers, our revenues could drop
more quickly than we could reduce expenses. This could substantially harm our
financial results.
 
WE NEED TO MANAGE OUR GROWTH EFFECTIVELY OR WE MAY NOT SUCCEED.
 
     We have grown rapidly, with total revenues increasing from $6.0 million in
1996, to $12.7 million in 1997, to $24.8 million in 1998 and we recorded $8.3
million of total revenues for the first three months of 1999. The number of our
employees has increased from 47 at December 31, 1996 to 157 at December 31, 1998
and to 174 at March 31, 1999. Our operating and financial systems and the
geographic distribution of our operations and customers have also experienced
substantial growth over this period. Our future operating results will depend on
the ability of our officers and other key employees to continue to implement and
improve our operational, customer support and financial control systems, and to
expand, train and manage our employee base. Our failure to expand and integrate
these areas in an efficient manner could cause our expenses to grow, our
revenues to decline or to grow more slowly than expected, and could have a
material adverse effect on our business.
 
IF WE LOSE OUR KEY PERSONNEL, OR FAIL TO ATTRACT AND RETAIN ADDITIONAL
PERSONNEL, OUR BUSINESS AND GROWTH MAY SUFFER.
 
     Our future success depends on the continued services of a relatively small
number of key technical and senior management personnel, including Andrew J.
Frawley, our Chairman, President and Chief Executive Officer, David G.
McFarlane, our Chief Operating Officer, and Michael D. McGonagle, our Chief
Technology Officer, none of whom presently has an employment contract with us.
Our future success also depends on our continuing ability to attract and retain
other highly qualified technical, sales and managerial personnel. Competition
for these people is intense, and we have at times in the past experienced
difficulty in recruiting qualified personnel. The loss of any member of our key
technical, sales and senior management personnel or the inability to attract and
retain additional qualified personnel could have a material adverse effect on
our business.
 
OUR BUSINESS WILL NOT GROW IF WE DO NOT KEEP PACE WITH RAPIDLY CHANGING
TECHNOLOGIES.
 
     Because the market for our software products is rapidly changing, our
future success will depend upon our ability to continue to enhance our current
product line. We also must develop and introduce new products that keep pace
with technological developments, satisfy increasingly sophisticated customer
requirements and achieve market acceptance. If we are not successful in
developing and marketing, on a timely and cost-effective basis, fully functional
product
 
                                        6
<PAGE>   11
 
enhancements or new products that respond to technological advances by others,
our business will not grow and our financial results will suffer. In particular,
our business could be harmed by:
 
     - any significant errors or "bugs" in our software shipped to customers;
 
     - any delay by customers in making purchasing decisions in anticipation of
       the general availability of new or enhanced products;
 
     - significant delays in the general availability of our new products or
       releases;
 
     - significant problems in the installation or implementation of our new
       products or releases; or
 
     - customer dissatisfaction with our new products or releases.
 
OUR STOCK PRICE OR OUR BUSINESS COULD BE ADVERSELY AFFECTED IF WE ARE NOT ABLE
TO EFFICIENTLY INTEGRATE ACQUISITIONS.
 
     We may pursue acquisitions that could provide new technologies, products or
service offerings. Future acquisitions by us may involve potentially dilutive
issuances of equity securities. We also may incur substantial additional
liabilities and expenses, such as debt or amortization expenses related to
goodwill and other intangible assets. If any of these occur, the market price of
our common stock and our financial results could suffer.
 
     Acquisitions also involve numerous risks, including:
 
     - difficulties in the assimilation of the operations, technologies,
       products and personnel of the acquired company;
 
     - the diversion of management's attention from other business concerns;
 
     - risks of entering markets in which we have no or limited prior
       experience; and
 
     - the potential loss of key employees of the acquired company.
 
     If we are not successful integrating acquisitions, it could increase our
expenses and harm our business.
 
COMPETITION COULD REDUCE OUR MARKET SHARE AND HARM OUR BUSINESS.
 
     Our competitors may be able to develop products and services that are more
attractive to businesses than our products and services. Many of our competitors
have longer operating histories, significantly greater financial, technical,
marketing and other resources, greater name recognition and larger customer
bases. As a result, they may be able to adapt more quickly to new or emerging
technologies and changes in customer requirements. They also may be able to
devote greater resources to the promotion and sale of their products and
services than us. If these companies introduce products and services that
effectively competed with our products and services, they could be in a position
to charge lower prices or to bundle their products and services with their other
products and services. This could give them a competitive advantages over us.
 
     In order to be successful in the future, we must continue to respond
promptly and effectively to the challenges of technological change and
competitors' innovations. If we cannot compete successfully with existing or new
competitors, we may have to reduce prices on our products, which could lead to
reduced profits. We could also lose market share, which would materially and
adversely affect our business.
 
IF WE DO NOT SUCCESSFULLY MAINTAIN OUR RELATIONSHIPS WITH INDIRECT DISTRIBUTION
CHANNELS, OUR SALES COULD DECLINE OR COULD GROW MORE SLOWLY THAN EXPECTED.
 
     We expect to increase the amount of our products that we distribute through
various indirect channels. We are unable to predict the extent to which our
distribution partners will be successful in distributing our products. We rely
on the marketing and sales efforts of these
 
                                        7
<PAGE>   12
 
organizations, many of whom also market and sell competitive products. The loss
of one or more of our relationships with these organizations could have a
material adverse effect on our business.
 
     Our future performance will also depend, in part, on our ability to attract
organizations that will be able to market and support our products effectively,
especially in markets in which we have not previously distributed our products.
None of our agreements governing the re-seller or co-marketing relationships
with these organizations includes any commitments on the part of these
organizations to effect any minimum number of sales of our products, or
otherwise to provide us with business. If revenues arising from our
relationships with these organizations do not exceed historical levels, our
business will not grow as expected.
 
WE HAVE A LIMITED ABILITY TO PROTECT OUR INTELLECTUAL PROPERTY RIGHTS AND OTHERS
COULD INFRINGE ON OR MISAPPROPRIATE OUR PROPRIETARY RIGHTS.
 
     Our success and ability to compete are substantially dependent on our
internally developed technologies and trademarks, which we protect through a
combination of copyright, trademark and trade secret laws, confidentiality
procedures and contractual provisions.
 
     Despite our efforts to protect our proprietary rights, unauthorized parties
may attempt to copy aspects of our products or to obtain and use information
that we regard as proprietary. Policing unauthorized use of our products is
difficult and, while we are unable to determine the extent to which piracy of
our software products exists, we expect software piracy to be a problem. In
addition, the laws of some foreign countries do not protect our proprietary
rights to the same extent as the laws of the United States. Furthermore, our
competitors may independently develop technology similar to ours.
 
     The number of intellectual property claims may increase as the number of
competing products grows and the functionality of products in different industry
segments overlaps. Although we are not aware that any of our products infringe
upon the proprietary rights of third parties, there can be no assurance that
third parties will not claim infringement by us with respect to current or
future products. Any of these claims, with or without merit, could be time-
consuming to address, result in costly litigation, cause product shipment delays
or require us to enter into royalty or licensing agreements. These royalty or
licensing agreements, if required, might not be available on terms acceptable to
us or at all, which could have a material adverse effect upon our business.
 
IF WE DO NOT SUCCESSFULLY GROW AND MANAGE OUR INTERNATIONAL OPERATIONS, OUR
BUSINESS WILL SUFFER.
 
     We have operations in a number of foreign markets. We currently have
customers in more than 20 countries. We believe that we must expand our sales in
international markets in order for our business to grow as planned. In order to
successfully expand international sales, we must establish additional foreign
operations and hire additional personnel. If we are unable to do so in a timely
and effective manner, our growth in international sales will be limited, and our
business could be materially adversely affected. We have begun to translate our
products into different languages and character sets, which may be more
difficult or expensive to complete than expected. In addition, other markets may
have longer selling cycles and different product requirements than the United
States and we may not be able to successfully adapt our products and methods.
 
     Our international operations are also subject to the risks inherent in any
international business activities, including, in particular:
 
     - management of an organization spread over various countries;
 
     - longer accounts-receivable payment cycles in certain countries;
 
     - compliance with a variety of foreign laws and regulations;
 
     - unexpected changes in regulatory requirements;
 
                                        8
<PAGE>   13
 
     - overlap of different tax structures; and
 
     - general economic conditions.
 
CURRENCY FLUCTUATIONS AND GENERAL ECONOMIC CONDITIONS IN OUR FOREIGN MARKETS MAY
IMPACT OUR CUSTOMERS' SPENDING AND THE VALUE OF MONEY OWED TO US.
 
     We have made substantial sales to international customers in Canada,
Denmark, Germany, the Netherlands, Sweden, the United Kingdom and China. Our
revenues from international operations have been denominated in foreign
currencies which historically have been relatively stable in relation to U.S.
dollars. As a result, we have not adopted a policy of hedging foreign currency
risks. If economic conditions in our target markets decline, currencies could
fluctuate relative to the U.S. dollar, and our customers could reduce their
information technology spending.
 
OUR FOUNDERS, OFFICERS AND PRINCIPAL STOCKHOLDERS HAVE SUBSTANTIAL CONTROL OVER
OUR VOTING STOCK AND HAVE THE ABILITY TO MAKE DECISIONS THAT COULD ADVERSELY
AFFECT OUR STOCK PRICE.
 
     Upon completion of the offering, our current officers, directors and
principal stockholders will beneficially own approximately 33.3% of our
outstanding common stock (30.0% if the underwriters' over-allotment option is
exercised in full). Consequently, this group will be able to control the outcome
of all matters submitted for stockholder action, including the election of
members to our Board of Directors and the approval of significant change in
control transactions, which may have the effect of delaying or preventing a
change in control. While we intend to increase the size of the Board of
Directors from four to six by adding two independent members, representatives of
the existing stockholders will nonetheless constitute three of the six directors
and will therefore have significant influence in directing the actions of the
Board of Directors. We have not identified candidates for the two additional
positions on the Board of Directors.
 
WE MAY BE SUBJECT TO FUTURE PRODUCT LIABILITY CLAIMS.
 
     While our license agreements with our customers typically contain
provisions designed to limit our exposure to potential product liability claims,
it is possible that these provisions may not be effective under the laws of
certain jurisdictions. Although we have not experienced any product liability
claims to date, we may be subject to claims in the future. A successful product
liability claim brought against us could have a material adverse effect on our
business. Moreover, defending these claims, regardless of merit, could entail
substantial expense and require the time and attention of key management
personnel.
 
YEAR 2000 PROBLEMS MAY DISRUPT OUR BUSINESS.
 
     Many currently installed computer systems and software products are coded
to accept only two-digit entries in the date code field. Beginning in the year
2000, these date code fields will need to accept four-digit entries to
distinguish 21st century dates from 20th century dates. As a result, computer
systems and software used by many companies may need to be upgraded to comply
with these "Year 2000" requirements. Significant uncertainty exists in the
software industry concerning the potential effects associated with the failure
to comply with these requirements. Any failure of third-party equipment or
software comprising any part of our systems to operate properly due to Year 2000
problems could require us to incur unanticipated expenses to address associated
problems, which could have a material adverse effect on our business.
 
     Year 2000 issues may affect the purchasing patterns of customers and
potential customers in a variety of ways. Many companies are expending
significant resources to replace or remedy their current hardware and software
systems for Year 2000 compliance. These expenditures may result in reduced funds
available to purchase software products such as those we offer.
 
     We believe, based on an internal assessment, that the current versions of
our software products are Year 2000 compliant. However, our products are
generally integrated with enterprise
                                        9
<PAGE>   14
 
systems and other products of our customers developed by other vendors. Year
2000 problems in these systems and products might significantly limit the
ability of our customers to realize the intended benefits offered by our
products and services. We have no plan to determine whether the internal systems
and products of our customers are Year 2000 compliant. We may in the future be
subject to claims based on Year 2000 problems in others' products or issues
arising from the integration of multiple products within an overall system.
Although we have not been involved in any litigation or proceeding to date
involving our products or services related to Year 2000 issues, we may be
required in the future to defend our products or services or to negotiate
resolutions of claims based on Year 2000 issues. The costs of defending and
resolving Year 2000-related disputes, and any liabilities for Year 2000-related
damages, including consequential damages, could have a material adverse effect
on our business.
 
OUR COMMON STOCK PRICE IS LIKELY TO BE VOLATILE AND COULD DROP UNEXPECTEDLY.
 
     The market for securities of most high technology companies, including our
common stock, has been highly volatile. The market sale price of our common
stock has fluctuated between $11.00 and $35.00 from December 9, 1998 to May 6,
1999. The last sale price was $30.50 on May 6, 1999. It is likely that the
market price of the common stock will continue to fluctuate widely in the
future. Factors affecting the trading price of our common stock include:
 
     - responses to quarter-to-quarter variations in our results of operations;
 
     - the announcement of new products or product enhancements by us or our
       competitors;
 
     - technological innovation by us or our competitors;
 
     - general market conditions or market conditions specific to particular
       industries; and
 
     - changes in earnings estimates by analysts.
 
WE HAVE ADOPTED ANTI-TAKEOVER PROVISIONS THAT COULD AFFECT THE MARKET PRICE OF
OUR COMMON STOCK OR OUR ABILITY TO SELL OUR BUSINESS.
 
     Certain provisions of our amended and restated certificate of incorporation
and our by-laws could make it more difficult for a third party to acquire us,
even if doing so would be beneficial to our stockholders. In addition, certain
provisions of Delaware law and our stock incentive plans may also have the
effect of discouraging, delaying or preventing a sale.
 
SHARES OF OUR COMMON STOCK ELIGIBLE FOR SALE AFTER THIS OFFERING MAY ADVERSELY
AFFECT OUR STOCK PRICE.
 
     The market price of our common stock could decline as a result of sales by
our existing shareholders or the perception that those sales may occur. These
sales could also make it more difficult for us to raise funds through equity
offerings in the future at a time and at a price that we think is appropriate.
 
YOU WILL INCUR IMMEDIATE AND SUBSTANTIAL DILUTION.
 
     The market price of our common stock is substantially higher than the book
value per share. As a result, investors purchasing our common stock in the
offering will incur immediate substantial dilution. In addition, we have issued
options to acquire common stock at prices significantly below the market price.
To the extent these outstanding options are exercised, there will be further
dilution.
 
                                       10
<PAGE>   15
 
                                USE OF PROCEEDS
 
     We anticipate that our net proceeds from the sale of 1,000,000 shares of
common stock in this offering will be approximately $28.2 million, based on an
assumed public offering price of $30.50 per share, after deducting the
underwriting discount and estimated offering expenses. We will not receive any
proceeds from sales of shares by the selling stockholders.
 
     We currently intend to use the net proceeds of the offering for working
capital and general corporate purposes, including financing accounts receivable.
We intend to seek acquisitions of businesses, products and technologies that are
complementary to ours, and a portion of the net proceeds may also be used for
such acquisitions. While we engage from time to time in discussions with respect
to potential acquisitions, we have no plans, commitments or agreements with
respect to any such acquisitions as of the date of this prospectus, and there
can be no assurances that any acquisitions will be made.
 
     Pending such uses, the net proceeds will be invested in government
securities and other short-term, investment-grade, interest-bearing instruments.
 
                                DIVIDEND POLICY
 
     We have never declared or paid any cash dividends on our capital stock and
do not intend to pay any cash dividends on our common stock in the foreseeable
future. Future dividends, if any, will be determined by the Board of Directors.
Our revolving note agreement prohibits the payment of any cash dividends on our
common stock. Please see "Management's Discussion and Analysis of Financial
Condition and Results of Operations" for more detailed information.
 
                          PRICE RANGE OF COMMON STOCK
 
     Exchange Applications' common stock is traded on the Nasdaq National Market
under the symbol "EXAP." The following table sets forth, for the period
indicated, the range of high and low sale prices for Exchange Applications'
common stock on the Nasdaq National Market.
 
<TABLE>
<CAPTION>
                                                               PRICE RANGE OF
                                                                COMMON STOCK
                                                              ----------------
                                                               HIGH      LOW
                                                              ------    ------
<S>                                                           <C>       <C>
Year Ended December 31, 1998:
  Fourth Quarter............................................  $22.88    $13.00
Year Ended December 31, 1999:
  First Quarter.............................................  $25.50    $11.00
  Second Quarter (as of May 6, 1999)........................  $35.00    $14.63
</TABLE>
 
     As of March 31, 1999, there were approximately 231 holders of record of the
common stock. On May 6, 1999, the last sale price reported on the Nasdaq
National Market for the common stock was $30.50 per share.
 
                                       11
<PAGE>   16
 
                                 CAPITALIZATION
 
     The "Actual" column in the following table sets forth our actual
capitalization as of March 31, 1999. The "As Adjusted" column in the following
table gives effect to the receipt of the net proceeds from our sale of 1,000,000
shares of common stock in this offering at an assumed public offering price of
$30.50 per share, after deducting estimated underwriting discounts and
commissions and estimated offering expenses. You should read this information
together with our consolidated financial statements and the notes to those
statements appearing elsewhere in this prospectus.
 
<TABLE>
<CAPTION>
                                                              AS OF MARCH 31, 1999
                                                              ---------------------
                                                                             AS
                                                               ACTUAL     ADJUSTED
                                                              --------    ---------
<S>                                                           <C>         <C>
Long-term debt, net of current portion......................  $   111      $   111
                                                              -------      -------
Stockholders' equity:
  Preferred Stock, $.001 par value; 10,000,000 shares
     authorized; none issued and outstanding................       --           --
  Common Stock, $.001 par value, 30,000,000 shares
     authorized; 10,165,508 shares issued, actual;
     11,165,508 shares issued, as
     adjusted...............................................       10           11
  Additional paid-in capital................................   31,752       59,999
  Accumulated deficit.......................................   (6,210)      (6,210)
  Due from officer..........................................     (125)        (125)
  Deferred compensation.....................................     (732)        (732)
  Cumulative translation adjustment.........................       30           30
  Unrealized gain on marketable securities..................        5            5
  Treasury stock, 365,005 shares at cost....................       --           --
                                                              -------      -------
     Total stockholders' equity.............................   24,730       52,978
                                                              -------      -------
     Total capitalization...................................   24,841       53,089
                                                              =======      =======
</TABLE>
 
This information is based on our shares of common stock outstanding as of March
31, 1999. It excludes:
 
     - 2,940,229 shares of common stock issuable upon exercise of options
       outstanding at May 3, 1999 with exercise prices ranging from $0.65 to
       $19.50 and with a weighted averaged exercise price of $6.73 per share;
       and
 
     - 5,766,428 shares of common stock reserved for future grants or issuances
       under our stock option and stock purchase plans.
 
                                       12
<PAGE>   17
 
                                    DILUTION
 
     The net tangible book value of Exchange Applications as of March 31, 1999
was $24,730,000, or $2.52 per share of common stock. Net tangible book value per
share is determined by dividing the net tangible book value (total tangible
assets less total liabilities) by the total number of shares of common stock
outstanding. After giving effect to our sale of the 1,000,000 shares of common
stock in this offering at an assumed offering price of $30.50 per share, and
after deducting estimated underwriting discounts and commissions and estimated
offering expenses payable (resulting in estimated net proceeds of $28,248,000),
the adjusted net tangible book value of Exchange Applications as of March 31,
1999, would have been $52,978,000, or $4.91 per share of common stock. This
represents an immediate increase in the net tangible book value of $2.39 per
share to existing stockholders and an immediate dilution of $25.59 per share to
new investors. The following table illustrates the per share dilution:
 
<TABLE>
<S>                                                           <C>      <C>
Assumed public offering price per share.....................           $30.50
  Net tangible book value per share as of March 31, 1999....  $2.52
  Increase attributable to new investors....................  $2.39
                                                              -----
  Net tangible book value per share after the offering......           $ 4.91
                                                                       ------
  Dilution per share to new investors.......................           $25.59
                                                                       ======
</TABLE>
 
     The following table summarizes, as of March 31, 1999, the difference
between the number of shares of common stock purchased from us, the total
consideration paid to us and the average price per share paid by existing
stockholders and by new investors (at an assumed public offering price of $30.50
per share before deduction of estimated underwriting discounts and commissions
and offering expenses). It assumes no exercise of the underwriters'
over-allotment option and no exercise of stock options outstanding at March 31,
1999. As of March 31, 1999, we had 5,790,890 shares of common stock reserved for
issuance under our stock plans of which 2,837,841 shares were subject to
outstanding stock options at a weighted average exercise price of $6.29 per
share.
 
<TABLE>
<CAPTION>
                                     SHARES PURCHASED      TOTAL CONSIDERATION
                                   --------------------   ---------------------   AVERAGE PRICE
                                     NUMBER     PERCENT     AMOUNT      PERCENT     PER SHARE
                                     ------     -------     ------      -------   -------------
<S>                                <C>          <C>       <C>           <C>       <C>
Existing stockholders............   9,800,503     90.7%    33,416,000     52.3%      $ 3.41
New investors....................   1,000,000      9.3%    30,500,000     47.7%      $30.50
                                   ----------    -----    -----------    -----
     Total.......................  10,800,503    100.0%    63,916,000    100.0%
                                   ==========    =====    ===========    =====
</TABLE>
 
                                       13
<PAGE>   18
 
                      SELECTED CONSOLIDATED FINANCIAL DATA
 
     The selected consolidated financial data set forth below for each of the
years ended December 31, 1996, 1997 and 1998 have been derived from our audited
consolidated financial statements included elsewhere in this prospectus. The
selected consolidated financial data set forth below as of December 31, 1995 and
1996 and for the year ended December 31, 1995 were derived from our audited
consolidated financial statements not included in this prospectus. The selected
consolidated financial data for the three months ended March 31, 1998 and March
31, 1999 have been derived from our unaudited consolidated financial statements,
which are included elsewhere in this prospectus. The selected consolidated
financial data for the period from inception (November 1, 1994) through December
31, 1994 are derived from our unaudited consolidated financial statements, which
are not included in this prospectus. The unaudited consolidated financial
statements include all normal recurring adjustments which we consider necessary
for a fair presentation. The results of operations for the three months ended
March 31, 1999 are not necessarily indicative of results to be expected for any
future period. The data should be read in conjunction with the consolidated
financial statements and the notes to those statements and with "Management's
Discussion and Analysis of Financial Condition and Results of Operations"
appearing elsewhere in this prospectus.
 
     The Consolidated Balance Sheet Data as of December 31, 1994 and 1995 and
consolidated statement of operations data for the period from inception to
December 31, 1994, and for the years ended December 31, 1995 and 1996 include
our operations on a carve-out basis prior to November 15, 1996. During this
period, we operated as a separate and substantially independent division of
Grant & Partners, Inc. and Grant & Partners Limited Partnership, and focused on
developing VALEX and providing integration and consulting services. See
"Historical Background of Exchange Applications" and Note 1 of Notes to
Consolidated Financial Statements.
 
     The pro forma information included in the following table is computed on
the basis described in Note 2(c) of the Notes to Consolidated Financial
Statements.
 
                                       14
<PAGE>   19
 
<TABLE>
<CAPTION>
                                                     PERIOD FROM
                                                      INCEPTION
                                                     (NOVEMBER 1,                                             THREE MONTHS
                                                        1994)                    YEAR ENDED                      ENDED
                                                       THROUGH                  DECEMBER 31,                   MARCH 31,
                                                     DECEMBER 31,   -------------------------------------   ----------------
                                                         1994        1995      1996      1997      1998      1998     1999
                                                     ------------   -------   -------   -------   -------   ------   -------
                                                                             (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                                  <C>            <C>       <C>       <C>       <C>       <C>      <C>
CONSOLIDATED STATEMENT OF OPERATIONS DATA:
Revenues:
  Software license fees............................      $--        $   --    $ 1,500   $ 5,765   $14,357   $2,711   $ 5,008
  Services and maintenance.........................       --         1,693      4,534     6,904    10,419    2,080     3,312
                                                                    ------    -------   -------   -------   ------   -------
    Total revenues.................................       --         1,693      6,034    12,669    24,776    4,791     8,320
Cost of revenues:
  Software license fees............................       --            --        890     1,707       185       84       101
  Services and maintenance.........................       --         1,012      3,205     5,227     6,836    1,635     1,905
                                                         ---        ------    -------   -------   -------   ------   -------
    Total cost of revenues.........................       --         1,012      4,095     6,934     7,021    1,719     2,006
                                                         ---        ------    -------   -------   -------   ------   -------
Gross profit.......................................       --           681      1,939     5,735    17,755    3,072     6,314
Operating expenses:
  Sales and marketing..............................       --           128      1,007     3,602     9,828    1,735     3,171
  Research and development.........................       --           708      1,325     2,599     5,813    1,207     1,821
  General and administrative.......................        7           352      1,018     2,172     3,080      600       899
                                                         ---        ------    -------   -------   -------   ------   -------
    Total operating expenses.......................        7         1,188      3,350     8,373    18,721    3,542     5,891
                                                         ---        ------    -------   -------   -------   ------   -------
Income (loss) from operations......................       (7)         (507)    (1,411)   (2,638)     (966)    (470)      423
Interest income (expense), net.....................       --           (47)      (195)       25       101       23       228
                                                         ---        ------    -------   -------   -------   ------   -------
Income (loss) before provision for income taxes....       (7)         (554)    (1,606)   (2,613)     (865)    (447)      651
Provision for income taxes.........................       --            --         --        --       111       --       241
                                                         ---        ------    -------   -------   -------   ------   -------
Net income (loss)..................................       (7)         (554)    (1,606)   (2,613)     (976)    (447)      410
Accretion of discount and dividends on preferred
  stock............................................       --            --         --      (684)     (180)     (60)       --
                                                         ---        ------    -------   -------   -------   ------   -------
Net income (loss) applicable to common
  stockholders.....................................      $(7)       $ (554)   $(1,606)  $(3,297)  $(1,156)  $ (507)  $   410
                                                         ===        ======    =======   =======   =======   ======   =======
Diluted net income (loss) per share applicable to
  common stockholders..............................                           $(10.35)  $ (1.13)  $ (0.30)  $(0.14)  $  0.04
                                                                              =======   =======   =======   ======   =======
Diluted weighted average common shares
  outstanding......................................                               155     2,920     3,812    3,539     9,732
                                                                              =======   =======   =======   ======   =======
Pro forma basic and diluted net loss per share.....                                     $ (0.48)  $ (0.13)  $(0.06)
                                                                                        =======   =======   ======
Pro forma basic and diluted weighted average common
  shares outstanding...............................                                       5,391     7,592    7,319
                                                                                        =======   =======   ======
</TABLE>
 
<TABLE>
<CAPTION>
                                                                           AS OF DECEMBER 31,                   AS OF
                                                              ---------------------------------------------   MARCH 31,
                                                              1994     1995      1996      1997      1998       1999
                                                              -----   -------   -------   -------   -------   ---------
<S>                                                           <C>     <C>       <C>       <C>       <C>       <C>
CONSOLIDATED BALANCE SHEET DATA:
Cash, cash equivalents, and marketable securities...........  $  --   $   500   $   361   $ 5,475   $20,667    $18,320
Working capital (deficit)...................................   (120)   (1,224)     (853)    5,249    21,544     21,365
Total assets................................................    113     2,514     4,189    11,400    31,791     31,574
Long-term debt, net of
  current portion...........................................     --        38     2,268       237       145        111
Redeemable preferred stock..................................     --        --        --     7,088        --         --
Stockholders' equity (deficit)..............................     (7)     (560)   (1,295)     (728)   24,191     24,730
</TABLE>
 
                                       15
<PAGE>   20
 
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
     Investors should read the following discussion in conjunction with the
consolidated financial statements and related notes included elsewhere in this
prospectus. This discussion contains forward-looking statements that involve
risks and uncertainties. Actual results may differ materially from those
anticipated in these forward-looking statements as a result of certain factors,
including, but not limited to, those set forth under "Risk Factors" and
elsewhere in this prospectus.
 
OVERVIEW
 
     We are a leading provider of customer optimization software products and
services. We offer a Continuous Customer Management solution, which is
principally comprised of VALEX, our open enterprise software application, and
our proprietary consulting and integration services.
 
     We were incorporated in November 1996. Prior to incorporation, we operated
as a separate division of two entities, Grant & Partners, Inc. and Grant &
Partners Limited Partnership. See Note 1 to Notes to Consolidated Financial
Statements. Our activities during the early stages of operation focused on the
development of software solutions designed to provide Continuous Customer
Management support to businesses. In 1995, we began providing professional
services in the areas of marketing program design and execution and data
warehousing. In March 1997, we ceased providing marketing program design
services. Our development efforts culminated in the introduction to the market
in July 1996 of VALEX, our marketing automation software product. Since the
introduction of VALEX, we have continued to focus significant resources on the
development of additional functionality and features of the VALEX software. We
also have continued to:
 
     - expand our marketing activities;
 
     - build the Exchange Applications identity;
 
     - develop the competencies of the professional services group;
 
     - build international sales and distribution channels; and
 
     - develop our general and administrative infrastructure.
 
We have shifted our primary business focus from providing services to selling
software products. However, we believe that continuing to provide superior
professional services will be critical to maximizing our opportunities for
future revenues.
 
     We generate revenue from software licenses, professional service
arrangements and software maintenance agreements. We recognize software license
fee revenues upon execution of a license agreement and delivery of the software,
provided that the fee is fixed or determinable and deemed collectible by
management. If acceptance of the software by the licensee is required, we only
recognize revenues upon satisfaction of the foregoing conditions and acceptance
of the software. We recognize revenues from professional service arrangements on
either a time and materials or percentage-of-completion basis as the services
are performed, provided that amounts due from customers are fixed or
determinable and deemed collectible by management. We recognize revenues related
to software maintenance agreements ratably over the term of the maintenance
period. Amounts collected or billed prior to satisfying the above revenue
recognition criteria are reflected as deferred revenue or as customer deposits.
 
     We price VALEX software licenses based on the number of customer and
prospective customer records included in a business' data warehouse and certain
other factors, including the number of users of the software. We generally price
professional services on a time and materials or fixed-fee basis. Annual
maintenance is typically purchased in conjunction with the licensing of
 
                                       16
<PAGE>   21
 
VALEX. We offer maintenance as a separate component for a fee generally equal to
20% of the license fee. Maintenance contracts typically include telephone
support and rights to unspecified product updates and maintenance releases. We
recommend that our customers enter into and renew their maintenance contracts
and, to date, most customers have done so. As we continue to develop additional
features and enhanced functionality in unspecified future product updates, we
believe that most of our customers will continue to renew their maintenance
contracts.
 
     Our direct sales force generates most license sales. Sales and marketing
personnel from indirect sales channels, including re-sellers and co-marketers,
provide us with valuable introductions to potential customers. In addition, our
indirect sales channels work with our sales force to complete sales and, in some
cases, effect sales of our products independently. We expect that a significant
portion of our revenues over the next several quarters will be made with some
participation from one or more of our re-sellers or co-marketers.
 
     Because we have only recently begun to sell our products, period-to-period
comparisons of our operating results may not be meaningful. Although we have
experienced significant revenue growth recently, we may not be able to sustain
comparable growth rates. You should not rely upon our past growth as predictive
of future performance. In addition, the timing of license revenues is difficult
to predict because of the length and variability of our sales cycle. Our
prospects must be considered in light of the risks, expenses and difficulties
frequently encountered by companies in the early stage of development,
particularly in new and rapidly evolving markets. We may not be successful in
addressing such risks and difficulties.
 
RESULTS OF OPERATIONS
 
     The following table sets forth statement of operations data for the periods
indicated as a percentage of total revenues:
 
<TABLE>
<CAPTION>
                                                                              THREE MONTHS
                                                        YEAR ENDED               ENDED
                                                       DECEMBER 31,            MARCH 31,
                                                  -----------------------    --------------
                                                  1996     1997     1998     1998     1999
                                                  -----    -----    -----    -----    -----
<S>                                               <C>      <C>      <C>      <C>      <C>
Revenues:
  Software license fees.........................   24.9%    45.5%    57.9%    56.6%    60.2%
  Services and maintenance......................   75.1     54.5     42.1     43.4     39.8
                                                  -----    -----    -----    -----    -----
     Total revenues.............................  100.0    100.0    100.0    100.0    100.0
Cost of revenues:
  Software license fees.........................   14.8     13.5      0.7      1.8      1.2
  Services and maintenance......................   53.1     41.2     27.6     34.1     22.9
                                                  -----    -----    -----    -----    -----
     Total cost of revenues.....................   67.9     54.7     28.3     35.9     24.1
                                                  -----    -----    -----    -----    -----
Gross margin....................................   32.1     45.3     71.7     64.1     75.9
Operating expenses:
  Sales and marketing...........................   16.7     28.5     39.7     36.2     38.1
  Research and development......................   21.9     20.5     23.5     25.2     21.9
  General and administrative....................   16.9     17.1     12.4     12.5     10.8
                                                  -----    -----    -----    -----    -----
     Total operating expenses...................   55.5     66.1     75.6     73.9     70.8
                                                  -----    -----    -----    -----    -----
Income (loss) from operations...................  (23.4)   (20.8)    (3.9)    (9.8)     5.1
Interest income (expense), net..................   (3.2)     0.2      0.4      0.5      2.7
                                                  -----    -----    -----    -----    -----
Income (loss) before provision for income
  taxes.........................................  (26.6)   (20.6)    (3.5)    (9.3)     7.8
Provision for income taxes......................     --       --      0.4       --      2.9
                                                  -----    -----    -----    -----    -----
Net income (loss)...............................  (26.6)%  (20.6)%   (3.9)%   (9.3)%    4.9%
                                                  =====    =====    =====    =====    =====
</TABLE>
 
                                       17
<PAGE>   22
 
THREE MONTHS ENDED MARCH 31, 1998 AND 1999
 
  Revenues
 
     Our total revenues increased 74% from $4.8 million in the three months
ended March 31, 1998 to $8.3 million for the three months ended March 31, 1999.
This increase in total revenues can be attributed to a number of factors,
including:
 
     - an increase in our sales force from 6 direct sales representatives at
       March 31, 1998 to 22 at March 31, 1999;
 
     - an increase in international revenues from our subsidiaries in the United
       Kingdom and Australia; and
 
     - an increase in services and maintenance revenues from our growing
       customer base.
 
     Software license fee revenues increased 85% from $2.7 million, or 56.6% of
total revenues, in the three months ended March 31, 1998 to $5.0 million, or
60.2% of total revenues, in the three months ended March 31, 1999. The increase
in software license fee revenues was primarily due to increased market awareness
of the VALEX product, especially in the telecommunications industry, which
resulted in an incremental $1.9 million of software license fee revenues from
direct sales to customers.
 
     Services and maintenance revenues increased 59% from $2.1 million, or 43.4%
of total revenues, in the three months ended March 31, 1998 to $3.3 million, or
39.8% of total revenues, in the three months ended March 31, 1999. The growth of
services and maintenance revenues was directly attributable to additional
service engagements and maintenance fees from our increased base of customers.
The decrease in services and maintenance revenues as a percentage of total
revenues was primarily attributable to the increased software license fee
revenues resulting from the market acceptance of VALEX and increasing sales of
VALEX by re-sellers and co-marketers that provided certain of the related
services. We expect that, over time, the parties with whom we have undertaken
re-seller and co-marketing relationships will perform more of the professional
services associated with software licenses sold through these channels.
Therefore, we anticipate that services and maintenance revenues will remain the
same, or decrease slightly, as a percentage of total revenues. However, we
expect services and maintenance revenues to increase in absolute dollars as the
installed base of our products continues to increase.
 
     For the three months ended March 31, 1999, our top five customers accounted
for 48.9% of total revenues as compared to 79.0% of total revenues for the three
months ended March 31, 1998. None of our top five customers in the three months
ended March 31, 1999 were top five customers during the three months ended March
31, 1998. Our largest customer during the three months ended March 31, 1999
represented 18.1% of total revenues, while the four largest customers for the
three months ended March 31, 1998 represented 39.2%, 11.0%, 10.4% and 10.1%,
respectively, of our total revenues.
 
     Revenues from customers outside North America were $1.9 million for the
three months ended March 31, 1999, representing approximately 22% of total
revenues. Revenues from customers outside North America were $878,000 for the
three months ended March 31, 1998, representing approximately 18% of total
revenues.
 
  Cost of Revenues
 
     Our cost of revenues consists of costs associated with software license
fees and costs associated with services and maintenance. Total cost of revenues
as a percentage of total revenues declined from 35.9% in the three months ended
March 31, 1998 to 24.1% in the three months ended March 31, 1999.
 
                                       18
<PAGE>   23
 
     Cost of software license fees consists primarily of royalty payments made
to third parties for licensed intellectual property included in the VALEX
product, and costs associated with software packaging and distribution. In
absolute dollars, cost of software license fees increased slightly from $84,000
for the three months ended March 31, 1998 to $101,000 for the three months ended
March 31, 1999. Cost of software license fees, however, decreased as a
percentage of total revenues from 1.8% to 1.2% for the three months ended March
31, 1998 and 1999, respectively. Cost of software license fees as a percentage
of software license fee revenues decreased from 3.1% to 2.0% for the three
months ended March 31, 1998 and 1999, respectively. The increase in cost of
software license fees for the three months ended March 31, 1999 over March 31,
1998 resulted from increased shipments of VALEX software and, therefore, an
increase in the associated royalty expense payable to third parties and costs
associated with software packaging and distribution. This increase was partially
offset by the fact that our most significant royalty obligation, which was
payable on the first $10 million of VALEX sales, was fully satisfied by the end
of the second quarter of 1998. As we add additional components to our software
products, we may choose to license software from third parties. The cost of such
licenses may increase the cost of software license fees both in absolute dollars
and as a percentage of revenues.
 
     Our cost of services and maintenance consists primarily of personnel,
facility and system costs incurred in providing professional consulting
services, training, and customer support services. As a result of the increased
software license fee revenues, cost of services and maintenance revenues as a
percentage of total revenues decreased from 34.1% for the three months ended
March 31, 1998 to 22.9% for the three months ended March 31, 1999. Cost of
services and maintenance as a percentage of services and maintenance revenues
was 78.6% and 57.5% for the three months ended March 31, 1998 and 1999,
respectively. The decrease was attributable primarily to the increased
contribution of higher margin maintenance revenues resulting from the increased
installed base of VALEX customers in the three months ended March 31, 1999 over
the same period in 1998.
 
     As we sell more of our software products through re-seller and co-marketing
relationships, we plan to have the re-sellers provide certain of the consulting
and maintenance services associated with these sales. By using the services
resources of the re-sellers and co-marketers, we plan to allocate our own
professional services resources to:
 
     - direct-sale customers;
 
     - projects that require unique expertise or familiarity with the VALEX
       product; and
 
     - newly identified more profitable opportunities.
 
     As a result of these planned actions, as well as the continued increase in
contribution from higher margin maintenance revenues, we expect cost of services
and maintenance to decrease slightly as a percentage of both total revenues and
service and maintenance revenues in the foreseeable future.
 
     Overall gross margin increased from 64.1% for the three months ended March
31, 1998 to 75.9% for the three months ended March 31, 1999 due primarily to
increased sales of VALEX.
 
  Operating Expenses
 
     Sales and Marketing.  Our sales and marketing expenses consist primarily of
salaries for sales and marketing personnel, commissions, travel and promotional
expenses. For the three months ended March 31, 1998 and 1999, sales and
marketing expenses were 36.2% and 38.1% of total revenues, or $1.7 million and
$3.2 million, respectively. The increase is primarily attributable to an
increase in sales and marketing personnel from 24 at March 31, 1998 to 57 at
March 31, 1999, as well as increased spending on certain promotional activities
including trade shows, seminars, and the development of collateral materials
designed to increase awareness of Exchange Applications and the VALEX product.
The investment in sales and marketing personnel
                                       19
<PAGE>   24
 
and activities has contributed to increased VALEX revenues and expansion of the
customer installation base to over 70 locations in 21 countries. As we expand
our business into new vertical markets and continue to expand internationally
into Europe and the Asia/Pacific region, we expect to continue to invest
resources in sales and marketing. While we expect sales and marketing expenses
to continue to grow in absolute dollars, we expect these expenses to decrease
slightly as a percentage of total revenues due to economies of scale and
increased contribution from indirect sales channels.
 
     Research and Development.  Our research and development expenses consist
primarily of employee salary and benefits, consultant costs, and equipment and
purchased software depreciation costs associated with new product development,
enhancement of existing products and quality assurance activities. For the three
months ended March 31, 1998 and 1999, research and development expenses were
25.2% and 21.9% of total revenues, or $1.2 million and $1.8 million,
respectively. This increase in absolute dollars was primarily a result of the
addition of 25 research and development personnel, including independent
contractors, in the three months ended March 31, 1999 as compared to the same
period in 1998. Total revenues increased at a faster pace than research and
development expenditures, resulting in a decrease in total research and
development expense as a percentage of total revenues. We anticipate that
research and development expenses will continue to increase in absolute dollars
but decrease as a percentage of total revenues as we continue to commit
substantial resources to enhancing existing product functionality and to
developing new products.
 
     General and Administrative.  General and administrative expenses consist
primarily of:
 
     - salaries and related costs;
 
     - outside professional fees;
 
     - provision for bad debts; and
 
     - equipment and software depreciation costs associated with our finance,
       legal, human resources, information systems, and administrative
       functions.
 
     General and administrative expenses increased from $600,000, or 12.5% of
total revenues, for the three months ended March 31, 1998 to $899,000, or 10.8%
of total revenues, for the three months ended March 31, 1999. Our expenses
increased in absolute dollars as we added 11 employees to our finance,
information systems, and human resource departments between March 31, 1998 and
March 31, 1999. Expenses declined as a percentage of total revenues, however,
due primarily to economies of scale. While we expect general and administrative
expenses to continue to decrease as a percentage of total revenues, we expect
them to increase in absolute dollars as a result of the following factors:
 
     - the implementation of additional management information systems;
 
     - the continuation of our international expansion; and
 
     - the costs that we are incurring as a result of our being a publicly-held
       company.
 
  Interest Income, Net
 
     Net interest income increased from $23,000 for the three months ended March
31, 1998 to $228,000 for the three months ended March 31, 1999 primarily as a
result of interest earned on the proceeds from the Company's initial public
offering completed in December 1998.
 
  Provision for Income Taxes
 
     No provision for foreign, federal, or state income taxes was recorded for
the three months ended March 31, 1998 because we incurred a net loss during the
three-month period. For the three months ended March 31, 1999 we recorded a
provision for income taxes of $241,000 or
                                       20
<PAGE>   25
 
37% of income before income taxes. It is our belief that 37% represents the
effective income tax rate for 1999 after taking into account certain tax credits
and the utilization of available net operating loss carryforwards.
 
YEARS ENDED DECEMBER 31, 1996, 1997 AND 1998
 
  Revenues
 
     Our total revenues increased 110% from $6.0 million in 1996 to $12.7
million in 1997. We attribute the increase to an expanded customer base and the
expansion of our business outside North America. Our total revenues in 1998
increased 96% over 1997 levels to $24.8 million. A number of factors contributed
to the increase in total revenues in 1998, including:
 
     - an increase in the number of people on our sales force;
 
     - sales resulting from the establishment of key strategic re-seller and
       co-marketing relationships in late 1997 and the first six months of 1998;
 
     - increased international sales resulting from the opening of a U.K. sales
       office during July 1997 and an Australia sales office in April 1998; and
 
     - the growing contribution of maintenance revenues from our larger
       installed base of products.
 
     Software license fee revenues increased 284% from $1.5 million, or 24.9% of
total revenues, in 1996 to $5.8 million, or 45.5% of total revenues, in 1997.
The increase in software license fee revenues from 1996 to 1997, both in
absolute dollars and as a percentage of total revenues, reflected:
 
     - increased market awareness and acceptance of the VALEX product, which was
       released in July 1996;
 
     - $2.6 million in incremental software license fee revenues from strategic
       re-seller relationships;
 
     - $1.0 million in incremental software license fee revenues from direct
       sales to customers in North America; and
 
     - $598,000 in incremental software license fee revenues from direct sales
       to customers outside North America.
 
     Software license fee revenues grew 149% to $14.4 million, or 57.9% of total
revenues, from fiscal year 1997 to fiscal year 1998. Software license fee
revenues from direct sales to customers outside of North America were $3.1
million in 1998 as compared to $598,000 in 1997. Software license fee revenues
from direct sales to customers inside North America were $7.2 million in 1998
versus $2.4 million in 1997. In addition, we had $949,000 in incremental
software license fee revenues from strategic re-seller relationships in 1998.
 
     Services and maintenance revenues increased 52% from $4.5 million, or 75.1%
of total revenues in 1996 to $6.9 million, or 54.5% of total revenues, in 1997.
From 1997 to 1998, services and maintenance revenues increased 51% to $10.4
million, or 42.1% of total revenues. The increase in services and maintenance
revenues from 1996 to 1997 was primarily due to $1.7 million in incremental
professional services revenues and an incremental $627,000 in maintenance
revenues. The growth of services and maintenance revenues from 1997 to 1998
resulted from $1.8 million in incremental professional services revenues
associated with the growing sales of software products and increased training
revenues, and $1.7 million in incremental maintenance revenues from the larger
installed base of software license customers. The decrease in services and
maintenance revenues as a percentage of total revenues was primarily
attributable to increased software license fee revenues resulting from market
acceptance
 
                                       21
<PAGE>   26
 
of VALEX and increases in sales of VALEX by re-sellers and co-marketers that
provided certain of the related services.
 
     In 1998, our top five customers accounted for 31.3% of total revenues. Our
three largest customers accounted for 13.1%, 5.4% and 4.4%, respectively, of
total revenues during this same period. The recent growth in revenue and the
broadening of our customer base has resulted in a decrease in the concentration
of revenues from our top customers. In 1997, our top five customers accounted
for 74.9% of total revenues, while the three largest customers accounted for
33.0%, 23.1% and 7.6%, respectively, of total revenues during this same period.
In 1997 and 1998, revenues from the largest customer consisted of sales through
a single re-seller to multiple end-user businesses. In 1996, our top five
customers accounted for 57.7% of total revenues. Our three largest customers
accounted for 20.5%, 10.7% and 10.2%, respectively, of total revenues during
this same period. In 1996, revenues consisted primarily of the sale and delivery
of professional services in the area of customer optimization and data
warehousing.
 
  Cost of Revenues
 
     Cost of revenues as a percentage of total revenues declined from 67.9% in
1996, to 54.7% in 1997 and 28.3% in 1998. The decline in the total cost of
revenues as a percentage of total revenues from 1996 to 1997 reflected the
increasing contribution of higher-margin software license sales of VALEX.
Capitalized software development costs were fully amortized as of December 31,
1997, thereby accounting for the significant decrease in cost of revenues as a
percentage of revenues from 1997 to 1998.
 
     Cost of software license fees in 1998 consisted primarily of royalty
payments made to third parties for licensed intellectual property included in
the VALEX product, and costs associated with software packaging and
distribution. Cost of software license fees in 1996 and 1997 also included
amortization of software development costs capitalized under Statement of
Financial Accounting Standards No. 86 ("SFAS 86"). Cost of software license fees
as a percentage of total revenues decreased from 14.8% in 1996 to 13.5% in 1997
and 0.7% in 1998. Cost of software license fees as a percentage of software
license fee revenues decreased from 59.3% in 1996 to 29.6% in 1997 and 1.3% in
1998. The decrease from 1996 to 1997 was due primarily to increased software
license sales volume in 1997. This increase offset the incremental $499,000 of
amortization of capitalized software development costs in 1997 versus 1996, as
well as the incremental $342,000 in royalties paid to a third party for
intellectual property included in VALEX. The decrease from 1997 to 1998 was due
to the full amortization of all capitalized software development costs as of
December 31, 1997 as well as the fact that the primary royalty obligation for
licensed intellectual property, which required us to pay royalties to a third
party on the first $10 million of revenues from VALEX sales, was fully paid
during the second quarter of 1998. We incurred an incremental $370,000 in
royalties to this third party in 1997 versus 1998. No further royalties will be
paid to this third party and other royalty obligations in 1998 were not material
to our financial results. If the effect of SFAS 86 amortization and royalties
for licensed intellectual property were not included, gross margin on software
license fee revenues would have been 95.7%, 99.3%, and 99.3% for 1996, 1997 and
1998, respectively. With the balance of capitalized software development costs
fully amortized at the end of 1997 and the primary royalty obligations for
licensed intellectual property fully paid as of the second quarter of 1998, the
cost of software license fee revenues in the second half of 1998 consisted
principally of the cost of the software media and other incidental costs.
 
     Cost of services and maintenance revenues as a percentage of total revenues
was 53.1%, 41.2% and 27.6% in 1996, 1997, and 1998, respectively. The decrease
was a result of the increased contribution of the software license fee revenues
from 1996 to 1998. Cost of services and maintenance as a percentage of services
and maintenance revenues was 70.7%, 75.7%, and 65.6% in 1996, 1997, and 1998,
respectively. The increasing cost from 1996 to 1997 was due to the costs of
building a service organization infrastructure and the increased use, at higher
cost, of
                                       22
<PAGE>   27
 
subcontracted labor on certain engagements. The decrease in cost of services and
maintenance as a percentage of services and maintenance revenue from 1997 to
1998 was attributable primarily to the increased contribution of higher margin
maintenance revenues from the increased installed base of VALEX customers.
 
     Overall gross margin increased from 32.1% in 1996 to 45.3% in 1997 and
71.7% in 1998. The increase in overall gross margin from 1996 to 1997 was
primarily due to the contribution of higher-margin software license fees, which
increased from 24.9% of total revenues in 1996 to 45.5% in 1997. The increase in
overall gross margin from 1997 to 1998 was primarily due to:
 
     - the continued growth in software license fees as a percentage of total
       revenue;
 
     - the completion of the amortization of our capitalized software balance in
       1997; and
 
     - the full payment of our primary royalty obligation in the second quarter
       of 1998.
 
  Operating Expenses
 
     Sales and Marketing.  Sales and marketing expenses were $1.0 million, $3.6
million and $9.8 million representing 16.7%, 28.5% and 39.7% of total revenues,
in 1996, 1997 and 1998, respectively. These increases were due primarily to the
increase in sales and marketing personnel and overall infrastructure to support
VALEX and expand internationally. We increased the number of our employees
directly involved in the sales and marketing effort from six in 1996 to 19 in
1997 and 49 in 1998.
 
     Research and Development.  Research and development expenses increased from
$1.3 million, to $2.6 million and $5.8 million representing 21.9%, 20.5% and
23.5% of total revenues, in 1996, 1997 and 1998, respectively. This increase
reflects the hiring of 10 additional employees in 1997 and 20 additional
employees in 1998 and additional investments in the VALEX product. Software
development costs have been expensed as incurred since July 1996 when we shipped
the initial general release of VALEX. Since that date, software development
costs have been primarily related to product enhancements and product
maintenance.
 
     General and Administrative.  General and administrative expenses were $1.0
million, $2.2 million and $3.1 million representing 16.9%, 17.1% and 12.4% of
total revenues, in 1996, 1997 and 1998, respectively. Expenses increased in
absolute dollars and as a percentage of revenues from 1996 to 1997. In 1997, we
added finance, management information services and human resources personnel at
a faster rate than revenue growth in order to support anticipated growth in
1998. From 1997 to 1998 expenses increased in absolute dollars as our
administrative departments grew from 10 employees in 1997 to 22 employees in
1998. From 1997 to 1998, expenses declined as a percentage of total revenues,
due primarily to economies of scale. In addition, we recognized $150,000 of
incremental option-related non-cash compensation expense in 1998 versus 1997.
 
  Interest Income (Expense), Net
 
     Net interest income was $25,000 in 1997 versus net interest expense of
$195,000 in 1996. This improvement resulted from the elimination of the
related-party demand notes payable concurrent with the March 1997 venture
capital financing transaction, and the related interest income generated from
the proceeds of the March 1997 and December 1997 financing transactions. Net
interest income increased to $101,000 in 1998 as we earned interest on increased
customer cash payments as well as an incremental $37,000 of interest on the
proceeds from our initial public offering in December 1998.
 
                                       23
<PAGE>   28
 
  Provision for Income Taxes
 
     We recorded a provision for foreign income taxes for net operating profits
earned by our United Kingdom subsidiary in 1998. No provision for federal or
state income taxes has been recorded to date as we incurred net operating losses
for all periods presented. We have recorded a full valuation allowance against
the deferred tax asset generated as a result of these net operating loss
carryforwards in the United States, as we currently believe it is more likely
than not that these assets will not be realized.
 
                                       24
<PAGE>   29
 
SELECTED QUARTERLY RESULTS OF OPERATIONS
 
     The following tables present unaudited quarterly consolidated statement of
operations data for each quarter in the eight quarters ended March 31, 1999, as
well as such data expressed as a percentage of total revenues for the periods
indicated. This data has been derived from unaudited consolidated financial
statements that have been prepared on the same basis as the audited consolidated
financial statements and include all adjustments (consisting only of normal
recurring adjustments) that we consider necessary for a fair presentation of
such information. We believe quarter-to-quarter comparisons of financial results
should not be relied upon as an indication of future performance, and operating
results may fluctuate from quarter to quarter in the future.
 
<TABLE>
<CAPTION>
                                                                       QUARTER ENDED
                                 -----------------------------------------------------------------------------------------
                                 JUNE 30,   SEPT. 30,   DEC. 31,   MARCH 31,   JUNE 30,   SEPT. 30,   DEC. 31,   MARCH 31,
                                   1997       1997        1997       1998        1998       1998        1998       1999
                                 --------   ---------   --------   ---------   --------   ---------   --------   ---------
                                                                      (IN THOUSANDS)
<S>                              <C>        <C>         <C>        <C>         <C>        <C>         <C>        <C>
CONSOLIDATED STATEMENT OF
  OPERATIONS DATA:
Revenues:
  Software license fees........   $1,321     $1,616      $2,356     $2,711      $3,105     $3,958      $4,583     $5,008
  Services and maintenance.....    1,372      1,711       2,164      2,080       2,522      2,790       3,027      3,312
                                  ------     ------      ------     ------      ------     ------      ------     ------
    Total revenues.............    2,693      3,327       4,520      4,791       5,627      6,748       7,610      8,320
Cost of revenues:
  Software license fees........      433        449         395         84          45         57          --        101
  Services and maintenance.....    1,059      1,257       1,674      1,635       1,667      1,740       1,794      1,905
                                  ------     ------      ------     ------      ------     ------      ------     ------
    Total cost of revenues.....    1,492      1,706       2,069      1,719       1,712      1,797       1,794      2,006
                                  ------     ------      ------     ------      ------     ------      ------     ------
Gross profit...................    1,201      1,621       2,451      3,072       3,915      4,951       5,816      6,314
Operating expenses:
  Sales and marketing..........      700        871       1,463      1,735       2,428      2,606       3,059      3,171
  Research and development.....      578        647         921      1,207       1,509      1,438       1,659      1,821
  General and administrative...      428        434         919        600         742        885         853        899
                                  ------     ------      ------     ------      ------     ------      ------     ------
    Total operating expenses...    1,706      1,952       3,303      3,542       4,679      4,929       5,571      5,891
                                  ------     ------      ------     ------      ------     ------      ------     ------
Income (loss) from
  operations...................     (505)      (331)       (852)      (470)       (764)        22         245        423
Interest income (expense),
  net..........................       29         40         (11)        23           6         19          54        228
                                  ------     ------      ------     ------      ------     ------      ------     ------
Income (loss) before provision
  for income tax...............     (476)      (291)       (863)      (447)       (758)        41         299        651
Provision for income taxes.....       --         --          --         --          --         --         111        241
                                  ------     ------      ------     ------      ------     ------      ------     ------
Net income (loss)..............   $ (476)    $ (291)     $ (863)    $ (447)     $ (758)    $   41      $  188     $  410
                                  ======     ======      ======     ======      ======     ======      ======     ======
AS A PERCENTAGE OF TOTAL
  REVENUES:
Revenues:
  Software license fees........     49.1%      48.6%       52.1%      56.6%       55.2%      58.7%       60.2%      60.2%
  Services and maintenance.....     50.9       51.4        47.9       43.4        44.8       41.3        39.8       39.8
                                  ------     ------      ------     ------      ------     ------      ------     ------
    Total revenues.............    100.0      100.0       100.0      100.0       100.0      100.0       100.0      100.0
Cost of revenues:
  Software license fees........     16.1       13.5         8.7        1.8         0.8        0.9          --        1.2
  Services and maintenance.....     39.3       37.8        37.0       34.1        29.6       25.8        23.6       22.9
                                  ------     ------      ------     ------      ------     ------      ------     ------
    Total cost of revenues.....     55.4       51.3        45.7       35.9        30.4       26.7        23.6       24.1
                                  ------     ------      ------     ------      ------     ------      ------     ------
Gross margin...................     44.6       48.7        54.3       64.1        69.6       73.3        76.4       75.9
Operating expenses:
  Sales and marketing..........     26.0       26.2        32.4       36.2        43.2       38.6        40.2       38.1
  Research and development.....     21.5       19.4        20.4       25.2        26.8       21.3        21.8       21.9
  General and administrative...     15.9       13.0        20.3       12.5        13.2       13.1        11.2       10.8
                                  ------     ------      ------     ------      ------     ------      ------     ------
    Total operating expenses...     63.4       58.6        73.1       73.9        83.2       73.0        73.2       70.8
                                  ------     ------      ------     ------      ------     ------      ------     ------
Income (loss) from
  operations...................    (18.8)      (9.9)      (18.8)      (9.8)      (13.6)       0.3         3.2        5.1
Interest income (expense),
  net..........................      1.1        1.2        (0.3)       0.5         0.1        0.3         0.7        2.7
                                  ------     ------      ------     ------      ------     ------      ------     ------
Income (loss) before provision
  for income tax...............    (17.7)      (8.7)      (19.1)      (9.3)      (13.5)       0.6         3.9        7.8
Provision for income taxes.....       --         --          --         --          --         --         1.4        2.9
                                  ------     ------      ------     ------      ------     ------      ------     ------
Net income (loss)..............    (17.7)%     (8.7)%     (19.1)%     (9.3)%     (13.5)%      0.6%        2.5%       4.9%
                                  ======     ======      ======     ======      ======     ======      ======     ======
</TABLE>
 
                                       25
<PAGE>   30
 
     Our quarterly and annual operating results have varied significantly in the
past and are expected to do so in the future. The factors that could affect our
quarterly operating results include:
 
     - our products and services are complex and transactions may take a long
       time to complete;
 
     - we complete a limited number of transactions each quarter, and a
       significant portion of our revenues are recorded during the last month of
       a quarter;
 
     - the amount of revenues associated with a particular license can vary
       significantly based upon the size of the customer databases and other
       factors, including the number of users of the software;
 
     - certain periodic individual license sales can cause substantial
       variations in quarterly license revenues;
 
     - small delays in customer orders can cause significant variability in our
       license revenues for a particular period;
 
     - increased competition;
 
     - the timing of new releases of our software products and market acceptance
       of these new releases;
 
     - changes in our pricing policies or those of our competitors; and
 
     - changes in operating expenses, foreign currency exchange rate
       fluctuations and other general economic factors.
 
     Accordingly, we believe that period-to-period comparisons of our results of
operations are not necessarily meaningful and should not be relied upon as
predictors of future performance.
 
LIQUIDITY AND CAPITAL RESOURCES
 
     The initial public offering of our common stock completed on December 14,
1998 resulted in net proceeds of approximately $18.5 million. As of March 31,
1999, we had available $18.3 million in cash and short-term investments. We
believe that the proceeds of this offering, our existing balance of cash, cash
equivalents and short-term investments, combined with our $2.0 million revolving
note agreement with Fleet National Bank, will be sufficient to meet our working
capital and anticipated capital expenditure needs for at least the next 12
months. Thereafter, we may require additional sources of funds to continue to
support our business. We may not be able to raise needed capital on terms we
find acceptable.
 
     Cash and cash equivalents as of March 31, 1999 decreased $3.0 million from
December 31, 1998. Net cash used in operations of approximately $1.4 million
resulted primarily from net income of $754,000 before depreciation expense and
non-cash, option-related compensation expense, offset by an approximately $2.1
million increase in non-cash working capital. The increase in non-cash working
capital was primarily attributable to an increase in accounts receivable
associated with increased license and services revenue in the three months ended
March 31, 1999 as compared to the three months ended December 31, 1998 and a
reduction of accrued expenses from the December 31, 1998 balance as a result of
the payment, in the first quarter of 1999, of 1998 year-end performance bonuses
as well as certain accrued costs related to our initial public offering. These
decreases were partially offset by an increase in the balance of accounts
payable and deferred revenue from December 31, 1998 to March 31, 1999.
 
     Net cash used in investing activities for the three months ended March 31,
1999 was a result of property and equipment purchases related to the increase in
headcount, the move to new operating facilities in London and expansion of the
current facilities in Boston as well as the acquisition of computer hardware and
software for development and internal operating systems.
 
                                       26
<PAGE>   31
 
In addition, we purchased $171,000 of short-term investments with cash that was
being maintained in an overnight cash investment account at December 31, 1998.
Net cash provided by financing activities of $2,000 consisted of $65,000 in
proceeds from the exercise of common stock options offset by $63,000 for the
repayment of capital lease obligations.
 
     We had net operating loss carryforwards of approximately $2.2 million at
March 31, 1999 to reduce federal and state future income taxes, if any. These
carryforwards expire through 2018 and are subject to review and possible
adjustment by the Internal Revenue Service. The Tax Reform Act of 1986 contains
provisions that may limit the amount of net operating loss and credit
carryforwards that we may utilize in any one year in the event of certain
cumulative changes in ownership over a three-year period in excess of 50% as
defined. We believe that we experienced a change in ownership in excess of 50%,
however we do not believe that this change will significantly impact our ability
to utilize our net operating loss carryforwards.
 
     We currently have sales offices in the United Kingdom and Australia, in
addition to the United States. Our revenues from international operations have
been denominated in foreign currencies which historically have been stable in
relation to U.S. dollars. As a result, the gain or loss from foreign currency
transactions has not been material to our operating results. As of March 31,
1999, the material assets and liabilities denominated in foreign currencies
include accounts receivable, accounts payable and cash and cash equivalents. Due
to the stability of the foreign economies where these assets and liabilities are
denominated, we have not adopted a policy of hedging foreign currency risks.
While it is anticipated that foreign transactions will continue to be
denominated in local currencies, we expect to use hedging instruments to offset
potential currency exposures arising as our international operations expand into
less stable economic environments.
 
IMPACT OF YEAR 2000 ISSUE
 
     The Year 2000 issue results from computer programs written using two digits
rather than four to define the applicable year. Any of our computer programs
that have date-sensitive software may recognize a date using "00" as the year
1900 rather than the year 2000. This could result in a system failure or
miscalculations causing disruptions of operations, including, among other
things, a temporary inability to process transactions, send invoices or engage
in similar normal business activities.
 
  Assessment
 
     We have attempted to make an assessment, where practicable, with regard to
whether our own internal information systems are Year 2000 compliant. We have
taken, or plan to take, the following steps to assure compliance:
 
     - since June 1998, we have upgraded our accounting, telecommunications and
       customer care systems, at an aggregate cost of approximately $400,000,
       with systems that are warranted by the vendors to be Year 2000 compliant;
 
     - we have required and plan to require vendor warranties as to Year 2000
       compliance for future purchases of systems;
 
     - we plan to seek assurances from our existing vendors whose systems are
       not warranted to be Year 2000 compliant that such systems are Year 2000
       compliant; and
 
     - we have hired a manager of management information systems, whose
       responsibilities include oversight of Year 2000 compliance.
 
                                       27
<PAGE>   32
 
  Costs
 
     We do not separately track the internal costs incurred for Year 2000
projects, which are principally the related payroll costs for its information
systems personnel. Although we do not believe that any additional Year 2000
compliance-related costs will be significant, there can be no assurance that
costs incurred to address unanticipated issues would not harm our business. Any
failure of third-party equipment or software comprising any part of our systems
to operate properly with regard to Year 2000 and thereafter could require us to
incur unanticipated expenses to address associated problems. Any such expenses
could have a material adverse effect on our business, operating results and
financial condition. We have received assurances that all material embedded
systems included in our products are Year 2000 compliant.
 
  Risks
 
     We believe, based on an internal assessment, that the current versions of
our software products are Year 2000 compliant. However, our products are
generally integrated with the enterprise systems and other products of our
customers developed by other vendors. Year 2000 problems in these systems and
products might significantly limit the ability of our customers to realize the
intended benefits offered by our products. We have no plan to ascertain whether
the internal systems and products of our customers are Year 2000 compliant. We
may in the future be subject to claims based on Year 2000 problems in others'
products or issues arising from the integration of multiple products within an
overall system. Although we have not been involved in any litigation or
proceeding to date involving our products or services related to Year 2000
issues, there can be no assurance that we will not in the future be required to
defend our products or services or to negotiate resolutions of claims based on
Year 2000 issues. The costs of defending and resolving Year 2000-related
disputes, and any liabilities for Year 2000-related damages, including
consequential damages, could have a material adverse effect on our business.
 
     Year 2000 issues may affect the purchasing patterns of customers and
potential customers in a variety of ways. Many companies are expending
significant resources to replace or remedy their current hardware and software
systems for Year 2000 compliance. These expenditures may result in reduced funds
available to purchase software products such as those we offer. We do not
believe that there is any practical way to ascertain the extent of, and we have
no plan to address problems associated with, such a reduction in purchasing
resources of our customers. Any such reduction could, however, result in a
material adverse effect on our business, operating results and financial
condition. The Year 2000 problem is pervasive and complex, as virtually every
computer operation will be affected in some way. Consequently, no assurance can
be given that Year 2000 compliance can be achieved without significant
additional costs.
 
  Contingency Plan
 
     We do not have any specific contingency plans if any Year 2000 problems
develop with respect to our embedded systems or systems acquired from vendors.
Contingency plans will be developed if it appears that we or any of our key
vendors will not be Year 2000 compliant, and such noncompliance is expected to
have a material adverse impact on our operations. The cost of developing and
implementing such plans may itself be material.
 
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<PAGE>   33
 
                                    BUSINESS
 
INTRODUCTION
 
     We are a leading provider of customer optimization software products and
services. Our software and services are designed to enable businesses to
optimize the value of customer relationships across channels, products and
service lines. Our Continuous Customer Management solution, including VALEX
software and related consulting and integration services, is designed to enable
businesses to profitably retain and expand existing customer relationships and
acquire new customers.
 
     With our solution, businesses seek customer relationship optimization,
which involves proactively managing the economics of each customer relationship
to enable businesses to reach their full profit potential. Through Continuous
Customer Management and VALEX, businesses gain an understanding of the economics
of customer relationships, measure customer value and provide incentives through
campaigns that influence and optimize customer behavior.
 
     The principal components of our Continuous Customer Management offering are
VALEX, our open enterprise software application, and our proprietary consulting
and integration services. VALEX has been licensed across multiple industries at
70 different sites in North and South America, Europe and the Pacific Rim. Our
customers include Ameritrade, Bell Atlantic, Citigroup, Federal Express,
Fidelity Investments, Fleet Bank, Hongkong Telephone, NatWest Bank (U.K.),
Staples and U S West. Our products and services are distributed through our
direct sales force, through re-seller relationships with IBM, NCR and others,
and through co-marketing arrangements with companies such as Andersen
Consulting, Compaq, Ernst & Young, KPMG, MicroStrategy, PricewaterhouseCoopers,
SAS Institute and Sun Microsystems.
 
BACKGROUND
 
     Today's increasingly competitive business environment has forced many
businesses to reduce costs in order to improve overall profitability. Enterprise
resource planning and supply chain management software and other technologies
have played a key role in helping businesses cut costs through the automation of
business and administrative functions such as accounting, purchasing and
inventory control, and human resources. While applications aimed at cost
reduction have generally been successful, businesses have realized that these
initiatives are only part of the solution to improve profitability and have
begun to invest in a new class of applications designed to increase
profitability through revenue growth.
 
     Revenue growth initiatives have become significantly more difficult and
more important to execute successfully because of:
 
     - the high cost of attracting new customers;
 
     - the proliferation of customer purchasing options;
 
     - the emergence of electronic channels for customer interaction; and
 
     - increased customer sophistication and decreased customer loyalty.
 
     Many revenue growth applications are aimed at enabling businesses to grow
revenue by acquiring new customers and retaining and expanding relationships
with existing customers. These applications facilitate cross-selling and
marketing of bundled products, new service offerings and differentiated service
relationships. To maximize the profitability of these efforts, businesses need
to allocate resources based not only on functional area and product
profitability, but also on current or potential customer profitability. To
enable this focus on customers, businesses need:
 
     - an investment allocation methodology to identify profitable customer
       opportunities;
 
                                       29
<PAGE>   34
 
     - the ability to access and analyze large amounts of customer information;
 
     - marketing automation and campaign management applications to design and
       implement effective marketing campaigns;
 
     - electronic technologies to manage interactions with customers; and
 
     - the ability to evaluate the effectiveness of investments on current and
       potential customer profitability.
 
     To this end, over the past several years businesses have begun to realign
existing marketing and customer management capabilities with new technologies
and processes that are designed to optimize customer relationships across the
enterprise. This evolution can be summarized in three phases, as follows:
 
     Phase 1 -- Traditional Approach.  With the traditional approach, businesses
develop marketing campaigns that solicit broad customer segments with infrequent
and static offers. To manage these marketing campaigns, businesses typically use
proprietary software provided by third-party commercial service bureaus to
access customer information maintained in large external databases. These
solutions have provided valuable information to businesses, but have had
significant limitations:
 
     - Limited ability to develop and refine marketing campaigns.  Traditional
       approaches are severely limited in the number and complexity of marketing
       campaigns that can be supported without manual intervention, causing
       increased cycle time and cost and less targeted and less timely
       campaigns.
 
     - Inability to access the complete customer relationship.  Traditional
       approaches use fixed data structures that store only a limited amount of
       information about each customer, forcing businesses to make decisions
       based on a limited portion of available customer information.
 
     - Limited ability to measure performance.  Most traditional solutions use
       response rates and other basic metrics which do not provide the necessary
       information required to effectively measure campaign performance or to
       allocate marketing resources to those campaigns and other communications
       with the most positive impact on customer profitability.
 
     - Poor integration with other applications.  Many traditional solutions are
       limited by closed architectures and therefore require time-consuming,
       manual processes to be integrated with analytical tools, such as online
       analytical processing and data mining tools, or front-office customer
       touchpoint applications.
 
     Phase 2 -- Marketing Automation and Campaign Management.  Recognizing the
competitive value of more active management of customer relationships,
businesses are transitioning from traditional approaches to more automated
marketing environments. These enable businesses to target refined customer
segments, implement more customized offers on a timely basis, and measure the
effectiveness of offers with metrics such as return on investment. Central to
this approach are data warehouses that contain a more complete view of the
customer relationship, tools that predict customer behavior and software
applications that automate the design and execution of marketing campaigns.
Through marketing automation and campaign management, businesses benefit from
more timely access to, and robust analysis of, customer information, more
frequent and targeted campaigns, and more comprehensive measurement of the
effectiveness of investments. This results in increased return on investment,
reduced customer acquisition costs and reduced marketing cycle time.
 
     Phase 3 -- Customer Relationship Optimization.  Marketing automation and
campaign management solutions alone provide significant value. However, their
limited integration with customer interaction software products, such as sales
force automation, call center, customer
 
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<PAGE>   35
 
service, help desk and Internet products, and other customer-related aspects of
the business restricts the ability to plan and optimize customer relationships
across the enterprise. In addition, most customer interaction software,
marketing automation and campaign management solutions collectively fail to
provide a common customer management methodology. Customer Relationship
Optimization solutions integrate marketing automation and campaign management
software with data warehouses and customer interaction software products in an
environment in which all aspects of the customer relationship are considered.
This results in more consistent messages to customers, greater penetration of
potential high-profit customers and the ability to employ lower cost
communication channels, such as the Web, to optimize customer profitability.
 
THE CUSTOMER OPTIMIZATION OPPORTUNITY
 
     We believe that customer relationship optimization software and solutions
represent a significant opportunity across many industries. Businesses are
adopting these technologies at different rates based on their access to customer
information, their level of database marketing sophistication, the marginal
economic impact of changes in the behavior of their customers and the degree of
competitiveness within their industry. We believe that the demand for these
technologies will grow rapidly as additional industries recognize customer
relationship optimization as a competitive requirement. Additionally, there has
been a shift in customer interactions toward electronic channels such as e-mail
and electronic commerce on the web. Significant opportunities exist for
solutions that enable businesses to transition from the traditional service
bureau approach to marketing automation and campaign management applications
that incorporate electronic modes of interaction and customer relationship
optimization environments. These transitions require highly automated marketing
and campaign management solutions that integrate people, processes and
technology across the enterprise to insure adherence to a common customer
management methodology.
 
     In an October 1998 report, the META Group estimated that the market for
enterprise marketing automation solutions, which primarily consists of next
generation campaign management solutions, will grow from $100 million in 1998 to
$2 billion in 2002, a compound annual growth rate of over 110%. The META Group
also forecasts that the majority of so-called Global 2000 companies will outgrow
their traditional data bureau-based database marketing approaches by 2002.
Further, the report states that companies' increasing focus on
business-to-business electronic commerce is also highlighting the need for
Web-based campaign management solutions.
 
THE EXCHANGE APPLICATIONS SOLUTION
 
     We believe that our Continuous Customer Management solution, implemented
through our VALEX software and proprietary consulting and integration services,
represents a fundamentally new approach to customer relationship optimization
that addresses the opportunities described above. Continuous Customer Management
delivers customer relationship optimization solutions that are designed to allow
a business to maximize the profitability and revenue growth from new and
existing customers through marketing automation and campaign management that can
evolve to enterprise-wide customer management.
 
     We provide a solution called Continuous Customer Management, which includes
our VALEX software product and related consulting and integration services. This
solution is designed to enable businesses to maximize profitability by:
 
     - providing a complete view of the relationship between a business and its
       customers;
 
     - interfacing with a range of data-mining, reporting, modeling and Web
       interaction analysis products that access data warehouses to identify
       high-value customers;
 
                                       31
<PAGE>   36
 
     - providing powerful marketing automation and campaign management software
       that allows marketers to define and execute highly timely and targeted
       marketing campaigns and other customer communications;
 
     - integrating with front-office customer touchpoints, such as call centers,
       direct mail, sales forces, e-mail and Web sites, to deliver
       communications to existing and potential customers;
 
     - tracking the success or failure of communication streams, to ensure more
       effective investments in customers; and
 
     - allowing non-technical marketing professionals to design, execute and
       continuously evaluate and refine targeted marketing campaigns.
 
     Our consulting and integration services help companies to quickly implement
the core VALEX modules while developing the business processes necessary to
successfully adopt Continuous Customer Management.
 
     With our solution, businesses seek to achieve customer relationship
optimization, which involves proactively managing the economics of each customer
relationship to enable businesses to reach their full profit potential. Through
Continuous Customer Management and VALEX, businesses gain an understanding of
the economics of customer relationships, measure customer value and provide
incentives through campaigns that influence and optimize customer behavior. Our
solution offers the following key benefits:
 
     - Improved Profitability and Revenue Growth.  VALEX and Continuous Customer
       Management are designed to enable businesses to retain and increase the
       value of existing customers and to acquire new customers by focusing
       investment resources on those customers with the greatest current and
       potential value. Through the use of our solution, businesses have
       achieved increased retention rates, lower acquisition costs, more
       efficient cross-selling and better customer satisfaction due to more
       relevant, less intrusive communications.
 
     - Comprehensive Solution.  Our products and services are designed to
       provide a complete solution for customer optimization. We believe that
       our combined offering of software, proprietary methodologies and
       consulting services help businesses implement marketing automation and
       campaign management software and improve customer profitability quickly
       and with little risk.
 
     - Enterprise-wide Customer View.  VALEX is designed to enable organizations
       to access and use all types of information stored in data warehouses.
       Businesses are therefore not restricted in the scope or type of
       information used to design customer optimization strategies.
 
     - Increased Marketing Velocity.  VALEX creates continuous, fully-automated
       marketing campaigns, allowing multiple end users to develop customized
       communications triggered by customer characteristics (e.g., age, income,
       buying behavior), specific events (e.g., changes in spending patterns,
       births of children, changes in economic status) or dates (e.g., birth
       dates, contract renewal dates). VALEX is designed to allow businesses to
       reduce dramatically the cycle time from planning through design,
       execution and measurement of the effectiveness of campaigns, to better
       respond to competitive and market pressures and to quickly evaluate new
       campaigns.
 
     - Open, Extensible Architecture.  VALEX is designed to be open, easy-to-use
       and scaleable across a wide variety of computing environments. The VALEX
       architecture conforms to many current industry standards and can be
       integrated with existing hardware and software environments, allowing
       businesses to leverage their investments in customer interaction software
       products and data warehouse technologies.
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<PAGE>   37
 
STRATEGY
 
     Our objective is to be the leading provider of customer relationship
optimization software and solutions globally. Our strategy for achieving this
objective includes:
 
     Extend VALEX.  We have developed unique technical solutions that enable
businesses to optimize customer relationships. We are currently developing
product extensions that will enhance the ability of our existing products and
services to directly integrate with data mining products and link communications
to customers with changes in their behavior.
 
     Offer Additional Customer Optimization Solutions.  We intend to develop
additional products and services that provide automation and business
intelligence with the goal of improving a business's ability to perform customer
relationship optimization. One such offering, called "Velocity Connect," will
enable businesses to generate real-time intelligent responses based on
historical customer information. Overall, our future products and services will
be designed to enhance business planning and forecasting based on customer and
channel economics. We may also acquire businesses or technologies that would
provide us with extended product or service offerings across the various aspects
of a Continuous Customer Management implementation and/or specialized knowledge
or tailored software for selected vertical industries.
 
     Increase Vertical Industry Focus.  We currently target the
telecommunications and financial services industries as well as other
database-marketing intensive businesses that seek to develop customized
marketing campaigns. We intend to expand our focus to other industries as the
demand for our customer relationship optimization solution grows. Our experience
has been that the rate of adoption of our solutions is driven by competitiveness
within a given industry, the level of database marketing sophistication, access
to customer information and the marginal economic impact of changes in customer
behavior. We are currently considering dedicated sales efforts focused on
retail/catalog, utilities/energy and insurance and companies doing business over
the Internet.
 
     Broaden Distribution Channels and Build Alliances.  We will continue to
develop indirect distribution channels. We maintain global re-seller agreements
for VALEX with IBM, NCR and others to leverage these partners' extensive
marketing and distribution channels. We also have co-marketing relationships
with companies such as Andersen Consulting, Compaq, Ernst & Young, KPMG,
MicroStrategy, PricewaterhouseCoopers, SAS Institute and Sun Microsystems. We
plan to leverage the professional services resources of these re-seller and
co-marketing organizations to provide certain non-proprietary professional
services required in connection with the implementation of Continuous Customer
Management and VALEX. This strategy will allow us to provide and expand our
professional services offerings to most effectively complement our Continuous
Customer Management methodology and software applications. This strategy will
also help increase the efficient implementation of Continuous Customer
Management solutions in anticipation of increased demands on our services
resources.
 
     Expand Global Direct Sales.  We currently maintain and are aggressively
expanding our direct sales forces in North America, the U.K. and Australia. In
the future, we plan to expand further in Europe, South America and the Pacific
Rim, with particular attention to territories or industries experiencing trends
advantageous to the adoption of our solution, such as deregulation.
 
     Increase Web-based Capabilities.  We plan to offer technology that will
expand VALEX to assist businesses in optimizing customer relationships through
electronic information channels, such as the World Wide Web. Specific
capabilities may include:
 
     - targeted outbound e-mail;
 
     - intelligent handling of inbound e-mail;
 
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<PAGE>   38
 
     - browser-based VALEX interface;
 
     - incorporating Web-based customer interaction data with central data
       warehouses; and/or
 
     - measuring performance of Web-based marketing initiatives.
 
PRODUCTS -- VALEX
 
     Our customer optimization software product, VALEX, allows end users to
select targeted customer segments, design time- and event-triggered customized
marketing campaigns and continuously execute and measure the effectiveness of
these marketing campaigns. VALEX may be implemented quickly with a broad range
of processes, databases and customer interaction software environments.
 
     VALEX implementations range in size and complexity. A small implementation
may include data for 400,000 customers in a 50-100 gigabyte data warehouse, with
10 business users accessing the system. The price range for VALEX for this size
configuration is $200,000-$250,000. A large implementation may have 20 million
customers, a multi-terabyte data warehouse, and more than 100 users. The price
for VALEX in this configuration exceeds $1.0 million.
 
     The principal VALEX components are listed and described in the following
table:
 
<TABLE>
<CAPTION>
       COMPONENT                                                       DESCRIPTION
       ---------                                                       -----------
       <S>                                         <C>
       Desktop...................................  Allows users to define their core process steps for
                                                   Continuous Customer Management and then to organize
                                                   VALEX components and associated applications into
                                                   those process steps.
 
       Segment...................................  Allows users to segment the database into groups of
                                                   customers for a particular marketing campaign or
                                                   analysis.
 
       Model Connect.............................  Allows users to dynamically score customer segments
                                                   by using statistical models to screen real-time
                                                   data.
 
       Profile...................................  Allows users to analyze the characteristics of
                                                   individual customers within a segment.
 
       Campaign..................................  Allows users to define and execute targeted
                                                   campaigns that run continuously and contain event
                                                   triggers that respond to customer behavior or
                                                   inactivity.
 
       Extract...................................  Allows users to select information from the data
                                                   warehouse and export this information to customer
                                                   interaction software and other applications.
 
       Admin.....................................  Allows users to interface VALEX with data
                                                   warehouses and provide configuration settings.
 
       Filter....................................  Allows users to analyze descriptions of customers
                                                   and their characteristics in the data warehouse.
</TABLE>
 
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<PAGE>   39
 
The figure below depicts VALEX and Continuous Customer Management as part of an
enterprise-wide solution.
 [A series of diagrams showing the VALEX architecture interfacing with customer
                      databases and customer touchpoints.]
 
     A VALEX User Case.  The following description and diagram illustrate how
VALEX is used to create, evaluate and refine marketing campaigns for
enterprise-wide customer management.
 
     Desktop.  A user first selects a "work group", which directs a user to the
database to be accessed and the process steps to be performed. A simplified
marketing process may include identifying and planning opportunities, and then
designing, executing and continuously evaluating and refining campaigns.
 
     Segment and Profile.  During the opportunity identification stage, a user
employs VALEX Segment to define desired groups of customers to be targeted in a
particular campaign. The VALEX Profile component is then used to further analyze
each segment by other attributes in the database (such as purchasing patterns,
demographics, prior campaign history). In the example pictured below, three
segments are defined. The "Targeted Prospects" segment comprises a group of
prospective customers selected for a direct mail campaign. The "Cross-Sell
Opportunities" segment identifies a group of current customers whose purchase
behavior indicates a likelihood of buying certain additional products. The
"Likely to Leave" segment is derived using a statistical model, potentially
scored dynamically through Model Connect, to identify customers with a high
probability of attrition based on their behavioral and demographic
characteristics.
 
                                       35
<PAGE>   40
 
          [A COMPUTER SCREEN DIAGRAM OF VALEX CAMPAIGN DECISION TREE.]
 
     Campaign.  Once the user has decided on segments to be targeted for a
particular campaign, he or she moves to the campaign design stage of the
process. In this stage, a user employs VALEX Campaign to define the structure of
the campaign. The user starts by specifying the campaign universe, and then
defining all customers eligible to participate in the campaign. In this example,
the user then creates three contact segments that branch off from the campaign
universe. Groups are created by linking a query defined in VALEX Segment to the
database of potential contacts and by specifying rules that determine whether
each customer or prospect meets the campaign selection criteria. Rules are
specified through database queries or data mining routines and can establish
"triggers" that respond to customer behavior. Once a group of contacts is
identified, it can be subdivided into smaller random groups that receive
different communications. Subdivisions allow the user to test the relative
effectiveness of various communication strategies, comparing different messages,
offers and/or channels against a control group. In the example above, the user
further divides the "Cross-Sell Opportunities" contact group in order to test
two different offers -- "Product Upgrade" and "Discounted Enrollment" -- against
a control group that will not receive any offers. The behavior of all three
"splits" of the "Cross-Sell Opportunities" contact group will be evaluated to
improve future campaigns.
 
     Extract and Schedule.  After a campaign has been created, the user links
each element of the campaign to VALEX Extract. The physical destination of the
targeted list of customers and the information content to be delivered to the
customer touchpoint are defined as Extracts. In the pictured campaign, the "Mail
House" extract is formatted for the generation of personalized direct mail.
"Sales Agents," "Call Center" and "Service Center" extracts directly feed the
appropriate system for each touchpoint. The "Promotional History" extract
creates a record for each customer or prospect included in the campaign with
information about that individual's contact group, offer and channel. This
record, stored in a history table in the data warehouse, is used to measure
campaign effectiveness and drive future communications. Through VALEX
 
                                       36
<PAGE>   41
 
Schedule, campaign execution can be highly automated, reducing or eliminating
human intervention. For instance, VALEX Schedule could automatically generate a
nightly list of the best potential contacts for a cross-sell campaign or a
weekly list of new customers to receive a welcome package through the mail.
 
     Metrics Repository.  After executing a campaign, VALEX and Metrics
Repository are used to analyze the campaign and refine it for the next cycle.
Metrics Repository enables users to:
 
     - define campaign history tables, which update the data warehouse with
       information about customers or prospects selected in the campaign and
       capture information about each customer at the time they were contacted;
 
     - establish test versus control groups to verify the incremental
       performance of a new message or segmentation technique;
 
     - track each iteration of a campaign over time;
 
     - define a "response" to a marketing action (e.g., a purchase of the
       offered product within two weeks of the start of the campaign); and
 
     - link responses to campaign promotions, providing the information
       foundation for measuring marketing effectiveness.
 
     Because the measurement needs of businesses vary widely, Metrics Repository
is customized to meet the requirements of each individual business.
 
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<PAGE>   42
 
     VALEX Architecture.  VALEX is an open enterprise software solution that can
operate on a variety of platforms in a multi-tiered environment, thereby
providing businesses maximum flexibility in the deployment of the software. For
some smaller installations, both the database and the application server can be
installed on one server with input from a separate client console. Larger
installations may require a three-tiered environment, with separate client,
data-warehouse and application servers. The software has been developed in
Visual C++ and Java and is object oriented. Parallel operation of VALEX enables
it to exploit database and hardware capabilities to operate in large database
environments. VALEX supports most of the common relational databases in use
today, and has been designed to generate structured query languages that
leverage the unique capabilities of the relational database system platforms.
The following diagram represents an overview of VALEX and the platforms it
supports.
    [The graphic depicts a series of diagrams showing the VALEX architecture
  interfacing with customer databases and the platforms that VALEX supports.]
 
     Designed to be flexible and scaleable, VALEX uses a variety of industry
standard capabilities and interfaces to integrate closely with data-warehouse
and customer interaction software environments. We are also developing external
interfaces to VALEX that will allow consultants, partners or customers to
quickly and easily add their own functional extensions to the software while
maintaining compatibility with future VALEX releases. We believe that VALEX
represents the most comprehensive combination of functionality, scalability and
openness in the marketplace today.
 
SERVICES
 
     We maintain our own integration services consulting group. The group
delivers capabilities to VALEX customers that include data warehouse design and
infrastructure development, business process design capabilities and all aspects
of the Continuous Customer Management implementation. Key service offerings
include:
 
  Consulting
 
     Process Design.  A central part of the Continuous Customer Management
solution is the design and customization of processes for customer optimization.
This includes process templates
 
                                       38
<PAGE>   43
 
in planning, campaign execution, measurement and continuous learning. Our
customer optimization methodology describes a process for businesses to allocate
marketing investments based on the likely return of a particular marketing
campaign or customer communication. Through our methodology, businesses can make
investments based on current and potential customer profitability and allocate
resources to customers with high profit potential through more frequent and
better targeted campaigns and differentiated service offerings. Businesses can
then utilize the data generated by VALEX to track overall campaign performance
as well as individual customer responses to campaigns. This allows them to
discern more readily which customers are most likely to respond to particular
campaigns. Our customer optimization methodology identifies gaps between the
current and potential profitability of customers. Companies can then employ
VALEX to execute strategies to reduce those gaps.
 
     Metrics Repository.  Our Metrics Repository offering is a custom
application development project that enables a business to measure and visualize
the impact of its investments across customers and campaigns. Measurement is
accomplished through the Continuous Customer Management process steps, which
require businesses to establish a consistent measurement baseline and adopt a
process-driven view for managing and optimizing the value of its customer
relationships. The Metrics Repository is typically implemented through
integration of online analytical processing tools with the data warehouse and
VALEX.
 
     VALEX Rapid Implementation.  With VALEX Rapid Implementation, we implement
the core VALEX components and integrate them with existing data warehouse
environments within a matter of weeks through a structured, tightly-managed
methodology. Rapid Implementation includes advising on campaign structures and
customer management strategies, training the first series of users on VALEX and
supporting and guiding users through the initial days of operation.
 
  Customer Support and Service
 
     We believe that superior customer support and service are critical to
successful implementation of Continuous Customer Management and VALEX. We are
committed to providing high-quality customer support and to maintaining a
qualified customer support and service team. Ongoing customer support and
service are provided on a 24-hour-a-day, 7-day-a-week basis.
 
  Training
 
     We offer complete training for our customers and partners. This training
includes end-user interaction with VALEX, administration of VALEX and best
practices in Continuous Customer Management.
 
  Maintenance and Product Upgrades
 
     We provide ongoing product support services under our license and
maintenance agreements. Maintenance contracts are typically sold to customers
for one-year terms commencing on the date of the initial VALEX license and may
be renewed for additional periods. We also provide product updates to VALEX free
of charge for customers with a maintenance agreement. Customers who do not
purchase a maintenance agreement but would like to receive product updates must
purchase them from us.
 
PRODUCT DEVELOPMENT
 
     We originally introduced VALEX in July 1996 and have subsequently made a
number of product revisions and enhancements. We have adopted a strategy of
continuously reevaluating the
 
                                       39
<PAGE>   44
 
needs of customers and marketplace trends to develop new products. Our ongoing
product development efforts are focused on:
 
     - Release 3.0 -- This release will include the development of response
       management capabilities necessary to describe and track customer response
       behaviors related to marketing campaigns.
 
     - Enhanced Customer Planning -- This new capability will incorporate
       advanced business intelligence engines to simulate customer behavior in
       order to improve investment planning and forecasting.
 
     - Release 3.1 -- This release will modify VALEX to support multilingual
       databases and to permit translation into other languages.
 
     - Release 4.0 -- In order to provide maximum flexibility, open interfaces
       to the VALEX objects will allow partners and customers to extend the
       software directly, further broadening the base functionality of VALEX.
 
     - Local Campaign Management -- This new module will utilize features in
       Release 4.0 to enable satellite offices and remote users to design and
       execute independent campaigns while coordinating with the central
       marketing function.
 
     Release 3.0 will be released for selected platform configurations by June
30, 1999. The remaining improvements and extensions are expected to enter beta
testing within the next six to eighteen months. There can be no assurance that
we won't experience difficulties that could delay or prevent successful
development, introduction and sales of these products or that our new products
and enhancements will adequately meet the requirements of the marketplace and
achieve market acceptance.
 
SALES AND MARKETING
 
     We market our software and services through our direct sales force of 22
quota-carrying sales representatives and indirectly through re-sellers and
co-marketers. As of March 31, 1999, we had sales offices in Boston, Denver,
London, England and Sydney, Australia. Our sales force consists of teams made up
of sales executives, managers and pre-sale engineers organized by vertical
industry. The sales teams currently focus on marketing products and services to
the financial services and telecommunications industries. We recently created
the Growth and Emerging Market Division charged with developing new vertical
markets for VALEX. The Division's current focus includes retail/catalog,
utilities/energy, insurance and companies doing business over the Internet.
 
     We currently have re-seller relationships with IBM, NCR and others, which
grant these companies the right to re-market VALEX and utilize our marketing
materials. In addition, we have co-marketing arrangements with companies such as
Andersen Consulting, Compaq, Ernst & Young, KPMG, MicroStrategy,
PricewaterhouseCoopers, SAS Institute and Sun Microsystems to generate leads and
participate in sales efforts. Our re-sellers are not committed to make any
minimum number of sales of VALEX, or to otherwise provide us with business. We
may not realize any additional revenue from any of these relationships.
 
CUSTOMERS
 
     We have focused sales of our Continuous Customer Management solution to
leading businesses in certain targeted vertical industries, particularly the
financial services and telecommunications industries. We have also made
significant sales to other database-marketing intensive businesses that seek to
develop customized marketing campaigns. Listed below are selected large
customers in the financial services and telecommunications vertical markets, as
well as certain customers from other industries.
 
                                       40
<PAGE>   45
 
<TABLE>
<CAPTION>
FINANCIAL SERVICES      TELECOMMUNICATIONS                 OTHER
- ------------------      ------------------                 -----
<S>                  <C>                       <C>
Ameritrade           BC TELECOM                Aid Association for Lutherans
Citigroup            Bell Atlantic             Dutch Railways
Fidelity
  Investments        British SKY Broadcasting  Federal Express Corporation
First USA            Hongkong Telephone        Guidepost
Fleet Bank           NEXTEL                    New England Business Services
INVESCO Funds Group  Sprint                    Seabury & Smith
KeyCorp              U S WEST                  Staples
Mellon Bank          Vodafone                  Winterthur
</TABLE>
 
     In 1997, two customers each individually accounted for more than 10% of our
revenues. These customers were Acxiom and Fleet Bank. In 1998, only one
customer, Acxiom, accounted for more than 10% of our revenues. Acxiom is a
re-seller of our products and services. Revenues from Acxiom were comprised of
sales to multiple end user businesses. For the three months ended March 31,
1999, one customer, Citigroup, accounted for more than 10% of our revenues.
 
  Customer Case Studies:
 
     The following customer case studies represent the experiences of three of
our customers that have significant operating experience with our products and
that agreed to include information regarding their experiences in this
prospectus.
 
  Federal Express Corporation, Memphis
 
     Federal Express over the last four years has re-engineered its database
marketing process from marketing and campaign planning to customer segmentation
and campaign execution, evaluation and refinement. Federal Express has used
VALEX to automate and accelerate its database marketing process.
 
     Federal Express reports the following accomplishments:
 
     - a dramatic time reduction in direct-marketing campaign cycles; and
 
     - a major improvement in "prospecting" campaigns.
 
     For its application of VALEX, Federal Express won both the 1997 "Best Data
Warehouse Application" award from the Data Warehouse Institute and the 1997
"Excellence Award" from the National Center for Database Marketing.
 
  U S West, Denver
 
     As a result of deregulation, U S West faces enormous marketing
opportunities and faces new risks brought on by competition. In 1998, U.S. West
adopted a large-scale customer relationship management initiative to improve
communications with customers across multiple product lines.
 
     As part of their initiative, U S West installed VALEX in May 1998 to
establish a methodology for cross-selling its products and services based on
fully-integrated profiles of its customers. We have installed VALEX in U S
West's consumer and small business groups, resulting in significantly reduced
marketing cycle times. As VALEX is implemented in additional business units,
U.S. West expects to achieve increased customer acquisition and retention rates,
and an improved ability to cross-sell and up-sell while decreasing unproductive
direct-mail expenses. U.S. West believes that this mix of revenue generation and
cost savings should help increase earnings.
 
                                       41
<PAGE>   46
 
  Bank of America, San Francisco
 
     Bank of America estimates that 20% of its customer base generates more than
100% of its net income. The remaining 80% are either marginally profitable or
unprofitable. In 1998, Bank of America implemented VALEX to identify its most
profitable customer segments, find prospects that share similar characteristics
with this group, and increase profitability of existing customers.
 
     Bank executives report that VALEX has significantly changed the way they
allocate marketing dollars. The bank is now able to perform a greater number of
highly targeted campaigns per year, rather than several mass marketing
campaigns. VALEX has also helped Bank of America reduce its time-to-market for
marketing campaigns from four weeks to one week or less, a significant advantage
when the bank needs to react to interest rate cuts or other market occurrence.
As Bank of America implements VALEX in other lines of business, bank executives
expect to realize significant revenue generation opportunities.
 
COMPETITION
 
     Our products and services are targeted at the emerging market for customer
optimization software solutions. The market for customer optimization software
and related services is highly competitive. We may not be able to maintain our
competitive position against current and potential competitors, especially those
with significantly greater financial, marketing, service, support, technical and
other resources. Our products and services are targeted at the emerging market
for customer optimization software solutions. Current and potential competitors
are diverse in their orientation and history. They include:
 
     - database marketing vendors such as Acxiom, Experian (a division of Great
       Universal Stores), Harland and Harte-Hanks, which provide a combination
       of service bureau capabilities and proprietary software;
 
     - small independent software companies that have created or are attempting
       to create offerings similar to VALEX;
 
     - enterprise resource planning and customer information system vendors such
       as SAP, Baan, Oracle, Siebel and Vantive, that may have an interest in
       broadening their product lines to include applications with competitive
       functionality; and
 
     - internal information technology departments that attempt to build their
       own systems.
 
     The principal competitive factors that favor us include:
 
     - domain expertise and intellectual property in customer optimization
       process management;
 
     - our reputation and the reputations of our employees and products;
 
     - our substantial installed base, and number and quality of user
       references;
 
     - an open and flexible product architecture;
 
     - strong marketing automation and campaign management functionality; and
 
     - speed and ease of implementation and use.
 
PROPRIETARY RIGHTS AND LICENSES
 
     We rely primarily on a combination of copyright, trademark and trade secret
laws, confidentiality procedures and contractual provisions to protect our
proprietary rights. In addition, we generally license VALEX to end users in
object code (machine readable) format, and our license agreements generally
allow the use of VALEX solely by the customer for internal purposes without the
right to sublicense or transfer VALEX. However, certain customers have required
us to maintain a source code escrow account with a third-party software escrow
agent,
 
                                       42
<PAGE>   47
 
and a failure to perform our obligations under the related license and
maintenance agreements or our insolvency could conceivably cause the release of
our source code to such customers for certain limited purposes. We believe that
the foregoing measures afford only limited protection. Despite our efforts to
protect its proprietary rights, unauthorized parties may attempt to copy aspects
of our products or to obtain and use information that we regard as proprietary.
Policing unauthorized use of our products is difficult, and while we are unable
to determine the extent to which piracy of our software products exists,
software piracy is a viable risk. In addition, the laws of some foreign
countries do not protect our proprietary rights to the same extent as the laws
of the United States. Furthermore, there can be no assurance that our
competitors will not independently develop technology similar to ours. We may
increasingly be subject to claims of intellectual property infringement as the
number of products and competitors in our industry segment grows and the
functionality of products in different industry segments overlaps. Although we
are not aware that any of its products infringe upon the proprietary rights of
third parties, there can be no assurance that third parties will not claim
infringement by us with respect to current or future products. Any such claims,
with or without merit, could be time-consuming, result in costly litigation,
cause product shipment delays or require us to enter into royalty or licensing
agreements. Such royalty or licensing agreements, if required, might not be
available on terms acceptable to us or at all, which could have a material
adverse effect upon our business.
 
     We have in the past and may in the future resell certain software, which we
license from third parties. There can be no assurance that these third party
software licenses will continue to be available to us on commercially reasonable
terms. The loss of or inability to maintain or obtain any of these software
licenses could result in delays or reductions in product shipments until
equivalent software can be identified, licensed and integrated, which could
adversely affect our business.
 
EMPLOYEES
 
     As of March 31, 1999, we had 174 full-time employees, including 46
primarily engaged in research and development and 57 in sales and marketing. We
had 19 contractors, primarily engaged in research and development. None of our
employees is represented by collective bargaining units and, to date, we have
not experienced a work stoppage. Our future depends on our ability to attract,
retain and motivate highly-skilled employees. Competition for employees in our
industry is intense.
 
FACILITIES
 
     Our primary offices are located in approximately 47,000 square feet in
Boston, Massachusetts pursuant to a lease expiring in June 2003. We also lease
space for sales offices in Denver, Colorado, London, England and Sydney,
Australia.
 
                                       43
<PAGE>   48
 
                                   MANAGEMENT
 
DIRECTORS AND EXECUTIVE OFFICERS
 
     Set forth below is certain information concerning the directors and
executive officers of Exchange Applications.
 
<TABLE>
<CAPTION>
NAME                                        AGE                       POSITION(S)
- ----                                        ---                       -----------
<S>                                         <C>    <C>
Andrew J. Frawley.........................  36     Chairman of the Board, President, Chief Executive
                                                     Officer and Director
John G. O'Brien...........................  47     Chief Financial Officer, Vice President,
                                                   Treasurer and Secretary
David G. McFarlane........................  36     Chief Operating Officer
David L. Fitzgerald.......................  43     Vice President, North American Sales and
                                                   Alliances
F. Daniel Haley...........................  43     Vice President, Growth and Emerging Markets
Michael D. McGonagle......................  47     Chief Technology Officer
Patrick A. McHugh.........................  36     Vice President, Marketing
N. Wayne Townsend.........................  35     Vice President, Financial Services Solutions
Stewart I. J. Vassie......................  39     Vice President, European Operations
Ramanan Raghavendran......................  31     Director
Jeffrey Horing............................  35     Director
Dean F. Goodermote........................  45     Director
</TABLE>
 
     Mr. Frawley founded Exchange Applications in November 1994 and has served
as its President and Chief Executive Officer since its incorporation in November
1996. Mr. Frawley was elected Chairman of the Board of Directors of Exchange
Applications in January 1998. From July 1993 until founding the Company, Mr.
Frawley served as a principal of Grant & Partners Limited Partnership, a
management consulting company. From May 1989 to July 1993, Mr. Frawley held
various positions at MarketPulse, a subsidiary of Praxis International Inc. and
developer and provider of database marketing products, including serving as Vice
President of North American Operations. Mr. Frawley holds a B.S. in accounting
from the University of Maine and an M.B.A. from Babson College. Mr. Frawley has
more than 10 years of experience in the high technology industry.
 
     Mr. O'Brien joined Exchange Applications in September 1997 as Vice
President, Chief Financial Officer and Secretary and was elected Treasurer of
the Company in July 1998. From November 1996 to April 1997, Mr. O'Brien served
as Vice President, Finance and Chief Financial Officer of Advanced Modular
Solutions, a computer hardware manufacturing company. From August 1993 to
November 1996, Mr. O'Brien served as Corporate Controller of Avid Technology,
Inc., a computerized film editing system manufacturing company. From February
1991 to August 1993, Mr. O'Brien served as Assistant Corporate Controller at
Wang Laboratories, Inc., a computer hardware and office automation system
manufacturing company. Mr. O'Brien is a C.P.A., holds a B.S. in accounting from
Northeastern University, and an M.B.A. from the Wharton School of the University
of Pennsylvania. Mr. O'Brien has more than 15 years of experience in the high
technology industry. As part of the settlement of Mr. O'Brien's divorce
proceeding in January 1998, Mr. O'Brien voluntarily filed a bankruptcy petition
under Chapter 13 of the federal bankruptcy code. We do not believe that the
filing of such petition or the related circumstances reflects on Mr. O'Brien's
ability or integrity as an executive officer of Exchange Applications.
 
     Mr. McFarlane joined Exchange Applications in June 1997 as Executive Vice
President, Worldwide Sales and Services and was promoted to Chief Operating
Officer in December 1998. From January 1988 to June 1997, Mr. McFarlane held
various positions at Project Software & Development, Inc., a publicly traded
software company that develops and markets high value capital asset software for
processing plants and production equipment, most recently serving as
 
                                       44
<PAGE>   49
 
Vice President, International and Alliances. Mr. McFarlane holds a B.Sc. in
electrical engineering and a Masters degree in electrical engineering from the
University of Bath in the U.K. Mr. McFarlane has more than 10 years of
experience in the high technology industry.
 
     Mr. Fitzgerald joined Exchange Applications in July 1998 as Vice President,
North American Sales and Alliances. From June 1996 to July 1998, Mr. Fitzgerald
was the Group Vice President, Eastern Region of The Vantive Corporation, an
application software company. From April 1995 to April 1996, Mr. Fitzgerald
served as Vice President of Sales of Salesoft, Inc., a start-up company
specializing in sales force automation software. From March 1991 to April 1995,
Mr. Fitzgerald served as President of PowerCurve Corporation, a company which he
founded that specializes in systems integration and ERP implementation services.
Mr. Fitzgerald holds a B.S. in engineering from the University of Massachusetts.
Mr. Fitzgerald has more than 15 years of experience in the high technology
industry.
 
     Mr. Haley joined Exchange Applications in November 1998 as Vice President,
Growth and Emerging Markets. From October 1997 to November 1998, Mr. Haley was
the President and Chief Executive Officer of FDH Associates Consulting Group
Inc., a private consulting firm. From February 1995 to October 1997, Mr. Haley
was the President and Chief Executive Officer of Precise Software Ltd., a
computer software company. From May 1989 to February 1995, Mr. Haley was a
general partner of Advent International Corp., a venture capital firm. Mr. Haley
holds a B.S. in Industrial Relations from the University of Massachusetts and an
M.B.A. from the University of Denver. Mr. Haley has more than 20 years of
experience in the high technology industry.
 
     Mr. McGonagle joined Exchange Applications upon its founding in November
1994 and served as Vice President, Product Development from its incorporation in
November 1996 until December 1998 when he was promoted to Chief Technology
Officer. From November 1993 to November 1994, he was Vice President, Research
and Development at MarketPulse. From August 1991 to November 1993, he served as
Director of Client-Server Development at Praxis International Inc. Mr. McGonagle
holds a B.A. in mathematics from the University of Massachusetts (Lowell) and a
Masters degree in mathematics from Brown University. Mr. McGonagle has more than
20 years of experience in the high technology industry.
 
     Mr. McHugh joined Exchange Applications in February 1996 and has served as
Vice President, Marketing since March 1998. Mr. McHugh served in various other
capacities with Exchange Applications between February 1996 and March 1998,
including serving as Vice President, Sales and Vice President, Marketing. From
June 1995 to February 1996, Mr. McHugh was the Eastern Region Manager of
Stanford Technology Group, a software development company. From October 1994 to
June 1995 he was Northeast Regional Manager of Siemens Nixdorf, a computer
systems manufacturing company, and from October 1993 to October 1994 he was
Northeast Regional Manager of Kendall Square Research, a computer systems
manufacturing company. Mr. McHugh holds a B.S. in marketing and a B.S. in
finance from Northeastern University. Mr. McHugh has more than 10 years of
experience in the high technology industry.
 
     Mr. Townsend joined Exchange Applications in April 1996 as Vice President,
Integration Services and was appointed to the position of Vice President,
Financial Services Solutions in December 1998. From April 1994 to April 1996,
Mr. Townsend was a Project Director at Epsilon, a database marketing services
company. From May 1990 to April 1994, he was a consultant at Andersen
Consulting, a management consulting company. Mr. Townsend holds a B.S. in
mechanical engineering from the Massachusetts Institute of Technology and an
M.S. in mechanical engineering from the University of Dayton. Mr. Townsend has
more than 10 years of experience in the systems integration industry.
 
     Mr. Vassie joined Exchange Applications in May 1997 and has served as Vice
President, European Operations since November 1998. Mr. Vassie served in various
other capacities with Exchange Applications between May 1997 and November 1998,
including General Manager, Europe, Middle East and Africa Operations and Sales
Manager, UK Operations. From June 1996 to
                                       45
<PAGE>   50
 
December 1996, Mr. Vassie was the UK General Manager of Magna Software Ltd., an
application development software company. From May 1995 to April 1996, Mr.
Vassie was the Sales and Marketing Director of USoft UK Ltd., an application
development software company. From April 1992 to April 1995, Mr. Vassie was the
UK Major Accounts Sales Executive of Compuware, Inc., an application development
software company. Mr. Vassie has more than 20 years of experience in the
software engineering and high technology industries.
 
     Mr. Raghavendran has served as a Director of Exchange Applications since
March 1997. Mr. Raghavendran has served as a member of Insight Venture
Associates, LLC and Insight Venture Associates II, LLC, affiliated private
equity investment firms, since January 1997. From 1992 to 1996, Mr. Raghavendran
was employed at General Atlantic Partners, an investment firm. Mr. Raghavendran
also serves on the boards of directors of several privately held companies.
 
     Mr. Horing has served as a Director of Exchange Applications since March
1997. Mr. Horing has served as a managing member of Insight Venture Associates,
LLC and Insight Venture Associates II, LLC, affiliated private equity investment
firms, since January 1995. From 1990 to 1994, Mr. Horing was employed at E.M.
Warburg Pincus, an investment firm. Mr. Horing also serves on the boards of
directors of several privately held companies.
 
     Mr. Goodermote has been a Director of Exchange Applications since January
1998. Mr. Goodermote has been the President and Chief Executive Officer of
Process Software Corporation, a software development company, since August 1996.
From August 1986 to August 1996, Mr. Goodermote held various positions at
Project Software and Development, Inc., including President and Chief Operating
Officer and most recently as Chairman of the Board of Directors. Mr. Goodermote
is a director of First International Bank, N.A., a wholly owned subsidiary of
First International Bancorp, Inc., and is also on the boards of directors of
several privately held software companies.
 
BOARD OF DIRECTORS
 
     Our charter and by-laws provide that the size of our Board of Directors
shall be determined by resolution of the Board of Directors.
 
     Our charter provides for classification of our board into three classes,
with the members of the respective classes serving for staggered three-year
terms. The first class consists of Mr. Horing, the second of Mr. Goodermote and
the third of Mr. Frawley and Mr. Raghavendran, with the initial terms of the
directors comprising the classes expiring upon the election and qualification of
the directors at the annual meetings of the stockholders held following the
fiscal years ending December 31, 1998, 1999 and 2000, respectively. At each
annual meeting of stockholders, directors will be re-elected or elected for full
three-year terms.
 
     Our Board of Directors has established a Compensation Committee and an
Audit Committee. The members of the Compensation Committee are Jeffrey Horing
and Dean Goodermote, and the members of the Audit Committee are Ramanan
Raghavendran and Dean Goodermote.
 
     Our executive officers are appointed by the Board of Directors and serve
until their successors have been duly elected and qualified. There are no family
relationships among any of the executive officers or directors.
 
     Mr. Goodermote, Mr. Horing and Mr. Raghavendran serve on the boards of
directors of certain private companies that engage in software development and
related services. However, we do not expect that serving as a director of these
other companies poses any material risk of conflict with their duties as serving
as directors of Exchange Applications. To the extent conflicts develop, they
will be required to abstain from consideration of such items before the Board of
Directors in accordance with our by-laws.
 
                                       46
<PAGE>   51
 
     On January 30, 1998, we granted to Dean Goodermote an option to purchase
20,000 shares of common stock at an exercise price of $1.35 per share, vesting
over a four-year period. Prior to the offering, no other directors have received
compensation for their services in such capacity. Our directors' stock option
plan provides for the grant of stock options to non-employee directors.
Directors who are employees of Exchange Applications are not paid any fees or
additional compensation for service as members of the Board of Directors or any
committee thereof. We may enter into customary arrangements with respect to fees
and other compensation (including expense reimbursement) for directors who are
not employees of Exchange Applications or any of its subsidiaries. We maintain
directors' and officers' liability insurance and our by-laws provide for
mandatory indemnification of directors and officers to the fullest extent
permitted by Delaware law. In addition, our charter limits the liability of
directors to Exchange Applications or its stockholders for breaches of the
directors' fiduciary duties to the fullest extent permitted by Delaware law.
 
COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION
 
     In March 1997, the Board of Directors established a compensation committee
responsible for determining compensation of officers of Exchange Applications.
Prior to March 1997, we had no compensation committee or other committee of the
Board of Directors performing similar functions. Andrew Frawley's salary during
such year was established by the Board of Directors and decisions concerning
compensation of other executive officers were made during such year by Mr.
Frawley.
 
EMPLOYMENT CONTRACTS
 
     The officers serve at the discretion of the Board of Directors. We do not
presently have an employment contract in effect with any of our officers.
 
EXECUTIVE COMPENSATION
 
  Summary Compensation Table
 
     The table below sets forth certain compensation information for the fiscal
years ended December 31, 1998 and 1997 with respect to our chief executive
officer and our other four most highly compensated executive officers whose 1998
compensation exceeded $100,000.
 
<TABLE>
<CAPTION>
                                                                     LONG-TERM
                                                                    COMPENSATION
                                                                       AWARDS
                                              ANNUAL          ------------------------
                                          COMPENSATION(1)     RESTRICTED    SECURITIES
           NAME AND                     -------------------      STOCK      UNDERLYING     ALL OTHER
      PRINCIPAL POSITION        YEAR     SALARY     BONUS      AWARDS(2)     OPTIONS     COMPENSATION
      ------------------        ----     ------     -----      ---------    ----------   ------------
<S>                             <C>     <C>        <C>        <C>           <C>          <C>
Andrew J. Frawley.............  1998    $200,000   $100,000   $16,661,664    105,000            --
  Chairman of the Board,        1997     200,000    100,000     2,319,440    151,200            --
  President and Chief
  Executive Officer
David G. McFarlane............  1998     139,375    134,723            --     30,000            --
  Chief Operating Officer       1997(3)   78,757     47,500            --    300,000            --
Stewart I.J. Vassie...........  1998     124,256    152,633            --     71,600            --
  Vice President,               1997(4)   45,224     79,305            --     20,000            --
  European Operations
Patrick A. McHugh.............  1998     125,417     89,966       736,088     10,000            --
  Vice President,               1997     110,000    175,089        81,975     80,000            --
  Marketing
N. Wayne Townsend.............  1998     134,375     77,762       736,088     11,500            --
  Vice President,               1997     125,000     85,000        81,975     74,000            --
  Financial Services Solutions
</TABLE>
 
                                       47
<PAGE>   52
 
- ---------------
(1) Excludes certain perquisites and other benefits the amount of which did not
    exceed 10% of the employee's total salary and bonus.
 
(2) Represents the value of vested restricted stock at December 31, 1997 and
    December 31, 1998 using a fair market value for the common stock of $3.28
    and $19.63 per share, respectively.
 
(3) Mr. McFarlane joined Exchange Applications in June 1997 and his salary and
    bonus reflect compensation earned in the latter half of 1997.
 
(4) Mr. Vassie joined the Exchange Applications in July 1997 and his salary and
    bonus reflect compensation earned in the latter half of 1997.
 
      Option Grants in Last Fiscal Year
 
     The following table sets forth information regarding grants of stock
options to our chief executive officer and our other four most highly
compensated executive officers whose 1998 compensation exceeded $100,000.
 
<TABLE>
<CAPTION>
                                                  PERCENT
                                                  OF TOTAL
                                 NUMBER OF        OPTIONS
                                SECURITIES       GRANTED TO                              GRANT DATE
                                UNDERLYING      EMPLOYEES IN   EXERCISE OR   EXPIRATION   PRESENT
            NAME              OPTIONS GRANTED   FISCAL 1998    BASE PRICE       DATE      VALUE(1)
            ----              ---------------   ------------   -----------   ----------  ----------
<S>                           <C>               <C>            <C>           <C>         <C>
Andrew J. Frawley...........      105,000           8.4%         $ 3.85        3/31/03    $249,039
David G. McFarlane..........       30,000           2.4            3.50        3/31/08      64,686
Stewart I.J. Vassie.........       50,000           4.0           10.00       11/10/08     306,995
Stewart I.J. Vassie.........       20,000           1.6            1.35        1/30/07      16,634
Stewart I.J. Vassie.........        1,600           0.1            3.50        3/31/08       3,450
Patrick A. McHugh...........       10,000           0.8            3.50        3/31/08      21,562
N. Wayne Townsend...........       11,500           0.9            3.50        3/31/08      24,796
</TABLE>
 
- ---------------
(1) Based on the Black-Scholes pricing model suggested by the Securities and
    Exchange Commission. The estimated values under that model are based on the
    following assumptions: (i) expected volatility of 79%; (ii) expected life of
    four years; and (iii) risk-free interest rate of 5.4%. No dividends on
    common stock were assumed for purposes of this estimate.
 
AGGREGATE OPTION EXERCISES IN LAST FISCAL YEAR AND FISCAL YEAR-END OPTION VALUES
 
     The following table sets forth information with respect to the stock
options exercised during the fiscal year ended December 31, 1998, and the
unexercised stock options held at the end of such fiscal year by our chief
executive officer and our other four most highly compensated executive officers
whose 1998 compensation exceeded $100,000.
 
<TABLE>
<CAPTION>
                                                    NUMBER OF SECURITIES
                                                   UNDERLYING UNEXERCISED         VALUE OF UNEXERCISED
                                                       OPTIONS HELD AT            IN-THE-MONEY OPTIONS
                          SHARES                    DECEMBER 31, 1998(1)          DECEMBER 31, 1998(2)
                         ACQUIRED      VALUE     ---------------------------   ---------------------------
         NAME           ON EXERCISE   REALIZED   EXERCISABLE   UNEXERCISABLE   EXERCISABLE   UNEXERCISABLE
         ----           -----------   --------   -----------   -------------   -----------   -------------
<S>                     <C>           <C>        <C>           <C>             <C>           <C>
Andrew J. Frawley.....        --            --     177,450         78,750      $3,273,417     $1,242,675
David G. McFarlane....    25,000      $246,250     107,500        197,500       2,018,975      3,663,050
Stewart I.J. Vassie...        --            --      16,025         75,575         268,796        979,712
Patrick A. McHugh.....    15,000       147,750      22,500         52,500         419,925        975,075
N. Wayne Townsend.....     9,000        88,650      21,375         55,125         397,504      1,021,691
</TABLE>
 
- ---------------
(1) "Exercisable" refers to those options which were both exercisable and
    vested, while "Unexercisable" refers to those options which were unvested.
 
(2) Based on the difference between the aggregate exercise price and the closing
    price of the common stock of $19.63 per share on the Nasdaq National Market
    as of December 31, 1998.
 
                                       48
<PAGE>   53
 
STOCK OPTION PLANS
 
     1998 Stock Incentive Plan.  Our 1998 stock incentive plan provides for the
grant or award of stock options to purchase shares of our common stock and also
allows the award of shares of common stock. The aggregate number of shares of
common stock available for awards under this plan is 2,700,000 shares, of which
390,000 shares were subject to outstanding stock options as of March 31, 1999,
at a weighted average exercise price of $17.65 per share. Stock options must be
exercised by the tenth anniversary of the date of grant, or if the grantee owns
10% or more of our outstanding voting stock, by the fifth anniversary of the
date of the grant.
 
     1996 Stock Incentive Plan.  Our 1996 stock incentive plan also provides for
the grant of stock options and the award of shares of our common stock. As of
March 31, 1999, we had 2,790,890 shares of common stock reserved for issuance
remaining under this plan, of which 2,447,841 shares were subject to outstanding
stock options at a weighted average exercise price of $4.48 per share. Stock
options must be exercised by the tenth anniversary of the date of grant, or if
the grantee owns 10% or more of the outstanding voting stock, by the fifth
anniversary of the date of the grant.
 
     Options and common stock issued under each of the stock incentive plans
generally vest over four years. Vesting of options and common stock granted
under these plans and held by executive officers may accelerate upon a change of
control of Exchange Applications. Shares underlying certain stock options vest
as of the ninth anniversary of the date of the grant of those options, but
vesting of up to 25% of the original amount of those shares may accelerate and
may become exercisable at the end of each calendar year upon satisfaction of
certain performance criteria determined by our board of directors and chief
executive officer.
 
401(K) SAVINGS PLAN
 
     We have established our 401(k) savings plan, a tax-qualified cash or
deferred profit sharing plan covering all of our eligible full-time employees.
We adopted our 401(k) savings plan effective June 1, 1998. Under the plan,
participants may elect to contribute, through salary reductions, up to 15.0% of
their annual compensation subject to a statutory maximum. We do not currently
provide additional matching contributions under our 401(k) savings plan, but may
do so in the future. Our 401(k) savings plan is designed to qualify under
Section 401 of the Internal Revenue Code of 1986, as amended, so that
contributions by employees or by Exchange Applications to the plan, and income
earned on plan contributions, are not taxable to employees until withdrawn from
the 401(k) savings plan, and so that contributions by us, if any, will be
deductible by us when made. The trustee under the plan, at the direction of each
plan participant, currently invests the assets of the 401(k) savings plan in
eight investment options.
 
OTHER STOCK PLANS
 
     Director Stock Option Plan.  The 1998 director stock option plan provides
for automatic grants of stock options to eligible non-employee directors. There
are 100,000 shares of common stock reserved for issuance under this plan. We do
not currently have any options outstanding under this plan. However, under this
plan, on the business day immediately following each annual meeting of our
stockholders, commencing with the annual meeting of stockholders to be held May
26, 1999, each person who is then a non-employee director of Exchange
Applications will be eligible to receive an option to purchase the number of
shares of common stock determined by the Board of Directors at an exercise price
equal to the fair market value of the common stock on the date the option is
granted.
 
     Employee Stock Purchase Plan.  The 1998 employee stock purchase plan
provides for the issuance of 200,000 shares of common stock. Employees eligible
under this plan may acquire shares of our common stock under this plan through
payroll deductions at a purchase price equal
 
                                       49
<PAGE>   54
 
to 85% of the lesser of the fair market value of the shares on the first or last
day of each offering period.
 
                              CERTAIN TRANSACTIONS
 
PREFERRED STOCK ISSUANCE
 
     Pursuant to a securities purchase agreement, dated as of December 4, 1997,
Insight Capital Partners II, L.P. and Wexford Insight LLC each purchased 611,977
shares of our Series C convertible preferred stock for an aggregate purchase
price, in each case, of $2,000,000, or $3.268 per share.
 
     Pursuant to a stock purchase and waiver agreement, dated as of December 4,
1997, GAP Coinvestment Partners, L.P., or GAP, sold an aggregate of 246,006
shares of our Series B convertible preferred stock to the following purchasers
for an aggregate purchase price of $803,947.58 or $3.268 per share: Andrew J.
Frawley, David G. McFarlane, Daniel Cox, Patrick A. McHugh, Michael D.
McGonagle, Stewart I. J. Vassie, Steven Feldman, Patrick D. Brady, Gregory P.
Shlopak, David H. Brault, Ted L. Axelrod, Terry B. Angstadt, James T. Brady,
Dominic F. Mammola, James A. Dooley, Diane K. Green, and Insight Venture
Partners I, L.P.
 
     Pursuant to the securities purchase agreement dated March 18, 1997:
 
     - Insight purchased 1,154,775 shares of Series B preferred stock from us
       for an aggregate purchase price of $1,807,222.88, or $1.565 per share;
 
     - Wexford Insight LLC purchased 1,154,775 shares of Series B preferred
       stock from us for an aggregate purchase price of $1,807,222.88, or $1.565
       per share;
 
     - GAP purchased 246,006 shares of Series B preferred stock from us for an
       aggregate purchase price of $384,999.39, or $1.565 per share;
 
     - Grant & Partners Limited Partnership converted 2,300,000 shares of Series
       A convertible preferred stock to 1,725,000 shares of common stock at a
       conversion price of $3.01333;
 
     - Grant & Partners Limited Partnership purchased 377,408 shares of Series A
       preferred stock from us in consideration of the cancellation of
       indebtedness in the amount of $309,751.76 owed to it by us representing
       advances made to us prior to incorporation for operating expenses; and
 
     - Cyrk, Inc. purchased 2,522,592 shares of Series A preferred stock from us
       and we paid Cyrk $1,000,000 in consideration of the cancellation of
       indebtedness in the amount of $3,070,372.50 owed by us to Cyrk
       representing advances made to us prior to incorporation for operating
       expenses.
 
REGISTRATION RIGHTS AGREEMENT
 
     Pursuant to a registration rights agreement dated December 4, 1997, we
granted registration rights to certain of our stockholders, including Insight
Venture Partners I, L.P., Insight Capital Partners II, L.P., Insight Capital
Partners (Cayman) II, L.P., Wexford Management LLC, Cyrk, Inc., Grant & Partners
Limited Partnership, Andrew J. Frawley, Michael J. Feldman, Michael D.
McGonagle, David G. McFarlane, Daniel Cox, Patrick A. McHugh, Stewart I.J.
Vassie, Steven Feldman, Patrick D. Brady, Gregory P. Shlopak, David H. Brault,
Ted L. Axelrod, Terry B. Angstadt, James T. Brady, Dominic F. Mammola, James A.
Dooley and Diane K. Green. See "Shares Eligible for Future Sale -- Registration
Rights".
 
                                       50
<PAGE>   55
 
CONTRACT WITH EXCHANGE MARKETING GROUP
 
     Pursuant to several termination agreements dated as of March 18, 1997,
Exchange Applications and each of Michael J. Feldman, a former director and
employee of Exchange Applications, and six other employees of Exchange
Applications terminated their employment arrangements with us. We repurchased an
aggregate of 341,125 shares of common stock from the departing employees for an
aggregate purchase price of $341.13. Upon termination, Mr. Feldman formed
Exchange Marketing Group, LLC, a marketing consulting company. We engaged
Exchange Marketing Group to provide consulting services to certain of our
customers pursuant to a consulting agreement, dated as of March 18, 1997. As
evidenced by a promissory note, dated as of March 18, 1997, we loaned $350,000
to Exchange Marketing Group. On February 5, 1998, the entire principal and
interest outstanding under that note was repaid. In addition, in connection with
the transactions contemplated by the consulting agreement, Exchange Marketing
Group licensed from us certain intellectual property to be used in its marketing
consulting business and Exchange Applications and Exchange Marketing Group
entered into mutual non-compete agreements dated March 18, 1997. Pursuant to
these agreements, we agreed not to provide database marketing strategy and
marketing program implementation consulting services to third parties for a
period of three years and Exchange Marketing Group agreed not to engage in the
business of developing database marketing software or of providing systems
integration services for a period of three years. The consulting agreement does
not prohibit us from providing services of the type that we have historically
provided.
 
FOUNDER'S LOANS
 
     As evidenced by a promissory note dated as of December 4, 1997, in the
original principal amount of $124,997.73, we loaned to Mr. Frawley the total
amount of the purchase price for the 38,249 shares of our Series B convertible
preferred stock purchased by Mr. Frawley under a stock purchase and waiver
agreement dated as of December 4, 1997. This promissory note bears interest at
8% per annum and is secured by 38,249 shares of our Series B convertible
preferred stock owned by Mr. Frawley. As of April 30, 1999, the outstanding
balance of the indebtedness under the note was $139,219. Mr. Frawley intends to
pay all outstanding principal and interest on this loan with the net proceeds
received from his sale of shares in the offering.
 
SEPARATION FROM GPLP
 
     Pursuant to an assignment and assumption agreement dated as of November 15,
1996, we purchased certain assets, including, without limitation, cash, accounts
receivable, fixed assets and certain intangible property, from Grant & Partners
Limited Partnership, or GPLP, and we issued 2,300,000 shares of Series A
convertible preferred stock to GPLP and assumed certain liabilities of GPLP,
including, without limitation, indebtedness owed to Cyrk, Inc., indebtedness
under leasing arrangements, indebtedness with respect to employee benefits and
accounts payable. In addition, in connection with the transactions contemplated
by the assignment and assumption agreement, each of Andrew J. Frawley and
Michael J. Feldman entered into mutual releases of claims with Cyrk, Inc., GPLP,
Alan Grant and Grant & Partners Inc., and Exchange Applications entered into a
fully paid-up perpetual license with GPLP pursuant to which we licensed from
GPLP certain intellectual property.
 
     Prior to March 18, 1997, we borrowed $3,380,124.26 from GPLP and Cyrk, Inc.
for operating expenses. We assumed obligations in respect of these loans
pursuant to an assignment and assumption agreement. On March 18, 1997, we repaid
all principal and accrued interest outstanding on this loan.
 
     Pursuant to several restricted stock agreements dated as of November 15,
1996, we issued: 848,800 shares of common stock to Andrew J. Frawley; 667,000
shares of common stock to Michael J. Feldman; 100,000 shares of common stock to
Michael D. McGonagle; 50,000 shares of
 
                                       51
<PAGE>   56
 
common stock to Patrick A. McHugh and 50,000 shares of common stock to N. Wayne
Townsend. The purchase price in each case was $.001 per share.
 
REPRICING OF STOCK OPTIONS
 
     On November 10, 1998, the terms of stock option agreements between Exchange
Applications and certain of our employees and consultants were amended to reduce
the exercise price to $10.00 per share for all stock options granted under stock
option agreements with exercise prices greater than $10.00 per share. The
affected employees included David L. Fitzgerald, Vice President, North American
Sales and Alliances, who had been granted 190,000 stock options on July 15, 1998
at an exercise price of $14.50 per share.
 
INDEMNIFICATION OF SELLING STOCKHOLDERS
 
     We entered into a letter agreement dated December 8, 1998 with certain of
the selling stockholders pursuant to which we agreed to indemnify such selling
stockholders for certain liabilities arising out of their sale of shares in our
initial public offering to the extent provided in and in accordance with the
provisions of the registration rights agreement.
 
LEGAL SERVICES
 
     We have, with respect to this offering and from time to time, retained the
services of the law firm of Bingham Dana LLP. Neil W. Townsend, a partner at
Bingham Dana LLP, is the brother of N. Wayne Townsend, our Vice President,
Financial Services Solutions.
 
FUTURE AFFILIATE TRANSACTIONS
 
     All future transactions, including loans, between us and our officers,
directors, principal stockholders and their affiliates, will be approved by a
majority of the Board of Directors, including a majority of the independent and
disinterested outside directors on the Board of Directors, and will be on terms
no less favorable to us than could be obtained from unaffiliated third parties.
 
                                       52
<PAGE>   57
 
                       PRINCIPAL AND SELLING STOCKHOLDERS
 
     The following table sets forth certain information regarding beneficial
ownership of our common stock as of May 7, 1999 by:
 
     - each stockholder known by us to own beneficially more than 5% of our
       common stock;
 
     - each of our directors, our Chief Executive Officer and our other four
       most highly compensated executive officers whose 1998 compensation
       exceeded $100,000;
 
     - all current executive officers and directors as a group; and
 
     - each of the selling stockholders.
 
     The table also shows the number of shares being sold by each selling
stockholder and the number and percentage of our outstanding shares each selling
stockholder will own after the offering assuming that the underwriters do not
exercise their over-allotment option.
 
     Unless otherwise indicated, the address for the following stockholders is
89 South Street, Boston, Massachusetts 02111.
 
<TABLE>
<CAPTION>
                                            SHARES BENEFICIALLY                  SHARES BENEFICIALLY
                                                OWNED BEFORE                         OWNED AFTER
                                                OFFERING(1)          SHARES          OFFERING(1)
                                           ----------------------     BEING     ----------------------
NAME                                        NUMBER     PERCENTAGE    OFFERED     NUMBER     PERCENTAGE
- ----                                       ---------   ----------   ---------   ---------   ----------
Directors, Executive Officers and
5% Stockholders:
<S>                                        <C>         <C>          <C>         <C>         <C>
Entities affiliated with Insight Venture
  Associates, LLC(2).....................
  Insight Venture Partners I, LP(3)......  1,209,058      12.3%       453,050     756,003       7.0%
  Insight Venture Partners II, LP(4).....    520,779       5.3%       195,144     325,635       3.0%
  Insight Capital Partners (Cayman) II,
    LP(5)................................     61,198         *         22,932      38,266         *
Wexford Insight LLC(6)...................  1,766,752      18.0%       662,068   1,104,684      10.2%
Andrew J. Frawley(7).....................  1,007,337      10.1%       151,101     856,236       7.8%
David G. McFarlane(8)....................    201,959       2.0%        30,294     171,665       1.6%
John G. O'Brien(9).......................     42,250         *          6,338      35,912         *
Michael D. McGonagle(10).................    122,150       1.2%        18,323     103,827         *
Patrick A. McHugh(11)....................     90,000         *         13,500      76,500         *
N. Wayne Townsend(12)....................     73,625         *         11,044      62,581         *
F. Daniel Haley(13)......................      6,250         *          1,000       5,250         *
Ramanan Raghavendran(14)(15).............  3,557,783      36.2%     1,327,173   2,230,610      20.6%
Jeffrey Horing(15)(16)...................  3,557,783      36.2%     1,327,173   2,230,610      20.6%
Dean F. Goodermote(17)...................      5,000         *             --       5,000         *
Grant & Partners Limited
  Partnership(18)........................    575,000       5.9%       214,494     360,506       3.3%
All directors and executive officers as a
  group (twelve persons).................  5,175,855      50.2%     1,563,103   3,612,752      32.0%
Other Selling Stockholders:
  Michael J. Feldman(19).................    328,062       3.3%       122,378     205,684       1.9%
  Cyrk, Inc.(20) ........................    150,000       1.5%        55,955      94,045         *
  Certain Employees of Exchange
    Applications (21)....................    253,637       2.6%        44,070     209,567       1.9%
</TABLE>
 
- ---------------
   * Indicates less than 1% of the outstanding shares of common stock.
 
 (1) Beneficial ownership is calculated in accordance with the rules of the
     Securities and Exchange Commission. In computing the number of shares
     beneficially owned by a person
 
                                       53
<PAGE>   58
 
     and the percentage ownership of that person, shares of common stock subject
     to options held by that person that are currently exercisable or become 
     exercisable within 60 days following May 7, 1999 are deemed outstanding. 
     However, such shares are not deemed outstanding for the purpose of 
     computing the percentage ownership of any other person. Unless otherwise 
     indicated in the footnotes to this table, the persons and entities named in
     the table have sole voting and sole investment power with respect to all 
     shares beneficially owned, subject to community property laws where 
     applicable.
 
 (2) Insight Venture Partners I, L.P., Insight Capital Partners II, L.P. and
     Insight Capital Partners (Cayman) II, L.P. In addition, pursuant to a
     consulting agreement dated as of June 1, 1996 (the "Insight Consulting
     Agreement") between Insight Venture Management Inc. and Wexford Insight
     LLC, Insight Venture Partners I, L.P. may vote all of the shares held by
     Wexford Insight LLC for certain matters until six months after the
     completion of this Offering. As a result, Insight Venture Associates, LLC
     and its affiliates may be deemed to be the beneficial owners of all of the
     shares held by Insight Venture Partners I, L.P., Insight Capital Partners
     II, L.P., Insight Capital Partners (Cayman) II, L.P. and Wexford Insight
     LLC. The address of the Insight entities is 122 East 42nd Street, Ste 2300,
     New York, New York 10168. The address of Wexford Insight LLC is 411 West
     Putnam Avenue, Suite 125, Greenwich, Connecticut 06830.
 
 (3) Insight Venture Partners I, L.P. intends to grant the underwriters the
     right to purchase an additional 91,781 shares pursuant to the underwriters'
     over-allotment option.
 
 (4) Insight Capital Partners II, L.P. intends to grant the underwriters the
     right to purchase an additional 39,531 shares pursuant to the underwriters'
     over-allotment option.
 
 (5) Insight Capital Partners (Cayman) II, L.P. intends to grant the
     underwriters the right to purchase an additional 4,645 shares pursuant to
     the underwriters' over-allotment option.
 
 (6) Wexford Insight LLC intends to grant the underwriters the right to purchase
     an additional 134,111 shares pursuant to the underwriters' over-allotment
     option.
 
 (7) Includes 177,450 shares subject to options that currently are exercisable.
     Mr. Frawley intends to grant the underwriters the right to purchase an
     additional 55,162 shares pursuant to the underwriters' over-allotment
     option.
 
 (8) Includes 170,000 shares subject to options that currently are exercisable.
     Mr. McFarlane intends to grant the underwriters the right to purchase an
     additional 11,059 shares pursuant to the underwriters' over-allotment
     option.
 
 (9) Includes 42,250 shares subject to options that currently are exercisable.
     Mr. O'Brien intends to grant the underwriters the right to purchase an
     additional 2,314 shares pursuant to the underwriters' over-allotment
     option.
 
(10) Includes 25,750 shares subject to options that currently are exercisable.
     Mr. McGonagle intends to grant the underwriters the right to purchase an
     additional 6,689 shares pursuant to the underwriters' over-allotment
     option.
 
(11) Includes 22,500 shares subject to options that currently are exercisable.
     Mr. McHugh intends to grant the underwriters the right to purchase an
     additional 4,928 shares pursuant to the underwriters' over-allotment
     option.
 
(12) Includes 21,375 shares subject to options that currently are exercisable.
     Mr. Townsend intends to grant the underwriters the right to purchase an
     additional 4,032 shares pursuant to the underwriters' over-allotment
     option.
 
(13) Includes 6,250 shares subject to options that currently are exercisable.
     Mr. Haley intends to grant the underwriters the right to purchase an
     additional 342 shares pursuant to the underwriters' over-allotment option.
 
                                       54
<PAGE>   59
 
(14) Includes 1,209,054 shares held by Insight Venture Partners I, L.P., 520,779
     shares held by Insight Capital Partners II, L.P., 61,198 shares held by
     Insight Capital Partners (Cayman) II, L.P. and 1,766,752 shares held by
     Wexford Insight LLC. Mr. Raghavendran is a managing member of Insight
     Capital Partners and as such he may be deemed to be a beneficial owner of
     all of the shares held by entities affiliated with Insight Capital
     Partners. In addition, Insight Venture Partners I, L.P., Insight Capital
     Partners II, L.P. and Insight Capital Partners (Cayman) II, L.P. may be
     deemed to be beneficial owners of all of the shares held by Wexford Insight
     LLC (see Note 2), and as a managing member of Insight Capital Partners, Mr.
     Raghavendran may be deemed to be a beneficial owner of all of the shares
     held by Wexford Insight LLC.
 
(15) The address of Mr. Raghavendran and Mr. Horing is c/o Insight Venture
     Associates, LLC, 122 East 42nd Street, Ste 2300, New York, New York 10168.
 
(16) Includes 1,209,054 shares held by Insight Venture Partners I, L.P., 520,779
     shares held by Insight Capital Partners II, L.P., 61,198 shares held by
     Insight Capital Partners (Cayman) II, L.P. and 1,766,752 shares held by
     Wexford Insight LLC. Mr. Horing is a managing member of Insight Capital
     Partners and as such he may be deemed to be a beneficial owner of all of
     the shares held by entities affiliated with Insight Capital Partners. In
     addition, Insight Venture Partners I, L.P., Insight Capital Partners II,
     L.P. and Insight Capital Partners (Cayman) II, L.P. may be deemed to be
     beneficial owners of all of the shares held by Wexford Insight LLC (see
     Note 3), and as a managing member of Insight Capital Partners, Mr. Horing
     may be deemed to be a beneficial owner of all of the shares held by Wexford
     Insight LLC.
 
(17) Includes 5,000 shares subject to options that currently are exercisable.
 
(18) Alan Grant is the President of Grant & Partners, Inc., the general partner
     of Grant & Partners Limited Partnership, and as such he may be deemed to be
     a beneficial owner of all of the shares held by Grant & Partners Limited
     Partnership. The address of Grant & Partners Limited Partnership is 150
     Federal Street, Boston, Massachusetts 02110. Grant & Partners Limited
     Partnership intends to grant the underwriters the right to purchase an
     additional 43,647 shares pursuant to the underwriters' over-allotment
     option.
 
(19) Includes 30,000 shares held by Smith Barney IRA f/b/o Michael Feldman. Mr.
     Feldman intends to grant the underwriters the right to purchase an
     additional 24,903 shares pursuant to the underwriters' over-allotment
     option.
 
(20) Cyrk, Inc. intends to grant the underwriters the right to purchase up to an
     additional 11,386 shares pursuant to the underwriters' over-allotment
     option. The address of Cyrk, Inc. is 3 Pond Road, Gloucester, Massachusetts
     01930.
 
(21) Includes 20 employees that are not executive officers. Includes 46,637
     shares subject to options that are currently exercisable. These employees
     intend to grant the underwriters the right to purchase an additional 13,893
     shares pursuant to the underwriters' over-allotment option.
 
                                       55
<PAGE>   60
 
                          DESCRIPTION OF CAPITAL STOCK
 
AUTHORIZED AND OUTSTANDING CAPITAL STOCK
 
     Our authorized capital stock consists of 30,000,000 shares of common stock,
par value $.001 per share, and 10,000,000 shares of preferred stock, par value
$.001 per share. Upon consummation of this offering, no shares of preferred
stock and 10,825,090 shares of common stock will be outstanding. The following
summary is qualified in its entirety by reference to our certificate of
incorporation and by-laws.
 
COMMON STOCK
 
     As of March 31, 1999, there were 9,800,503 shares of common stock
outstanding held of record by 231 stockholders. The holders of common stock are
entitled to one vote per share on all matters to be voted upon by the
stockholders. Subject to preferences that may be applicable to any outstanding
preferred stock, the holders of common stock are entitled to receive ratably
such dividends, if any, as may be declared from time to time by our Board of
Directors out of funds legally available therefor. In the event of our
liquidation, dissolution or winding up holders of common stock are entitled to
share ratably in all assets remaining after payment of liabilities, subject to
prior distribution rights of preferred stock, if any, then outstanding. The
common stock has no preemptive or conversion rights or other subscription
rights. There are no redemption or sinking fund provisions applicable to the
common stock. All outstanding shares of common stock are fully paid and
nonassessable, and the shares of common stock offered in this offering will,
when issued, be fully paid and nonassessable.
 
PREFERRED STOCK
 
     Our Board of Directors has the authority to issue preferred stock in one or
more series and to fix the rights, preferences, privileges and restrictions
thereof, including dividend rights, dividend rates, conversion rights, voting
rights, terms of redemption, liquidation preferences and the number of shares
constituting any series or the designation of such series, without further vote
or action by our stockholders. The issuance of preferred stock may have the
effect of delaying, deferring or preventing a change in control of Exchange
Applications and may adversely affect the voting and other rights of the holders
of common stock. At present, we have no plans to issue any shares of preferred
stock.
 
CERTAIN ANTI-TAKEOVER, LIMITED LIABILITY AND INDEMNIFICATION PROVISIONS
 
  Delaware Law and Certain Charter and By-Law Provisions
 
     Our charter provides for the division of the Board of Directors into three
classes as nearly equal in size as practicable with staggered three-year terms.
See "Management -- Board of Directors." A director may be removed only for cause
and then only by the vote of a majority of the shares entitled to vote for the
election of directors.
 
     Our charter empowers the Board of Directors, when considering a tender
offer or merger or acquisition proposal, to take into account factors in
addition to potential economic benefits to stockholders. These factors may
include:
 
     - comparison of the proposed consideration to be received by stockholders
       in relation to the then current market price of our capital stock, the
       estimated current value of Exchange Applications in a freely negotiated
       transaction or the estimated future value of Exchange Applications as an
       independent entity; and
 
     - the impact of the transaction on our employees, suppliers and customers
       and its effect on the communities in which we operate.
 
                                       56
<PAGE>   61
 
     Our charter and by-laws provide that any action required or permitted to be
taken by our stockholders may be taken only at a duly called annual or special
meeting of the stockholders and that special meetings may be called only by the
Chairman of the Board, the President or a majority of the entire Board. These
provisions could have the effect of delaying until the next annual stockholders
meeting stockholder actions which are favored by the holders of a majority of
our outstanding voting securities, including actions to remove directors. These
provisions may also discourage another person or entity from making a tender
offer for our common stock, because that person or entity, even if it acquired
all or a majority of the outstanding voting securities, would be able to take
action as a stockholder such as electing new directors or approving a merger,
only at a duly called stockholders meeting, and not by written consent.
 
     The Delaware General Corporation Law provides that the affirmative vote of
a majority of the shares entitled to vote on any matter is required to amend a
corporation's certificate of incorporation or by-laws, unless a corporation's
certificate of incorporation or by-laws, as the case may be, requires a greater
percentage. Our charter requires the affirmative vote of a majority of the
entire Board of Directors and the holders of at least 66 2/3% of our outstanding
voting stock to amend or repeal any of the foregoing charter provisions or to
reduce the number of authorized shares of common stock and preferred stock. A
66 2/3% vote is also required to amend or repeal our by-laws. These stockholder
votes would in either case be in addition to any separate class vote that might
in the future be required pursuant to the terms of any preferred stock that
might be outstanding at the time the amendments are submitted to stockholders.
Our by-laws may also be amended or repealed by a majority vote of our Board of
Directors.
 
     Our by-laws provide that for nominations for the Board of Directors or for
other business to be properly brought by a stockholder before an annual meeting
of stockholders, the stockholder must first have given timely notice in writing
to the Secretary of Exchange Applications. To be timely, a stockholder's notice
generally must be delivered not later than 120 days in advance of the first
anniversary of the date that our proxy statement to stockholders is delivered in
connection with the prior year's annual meeting of stockholders or 90 days prior
to the date of the meeting if no such proxy statement was delivered to the
stockholders. The notice must contain, among other things, certain information
about the stockholder delivering the notice and, as applicable, background
information about each nominee or a description of the proposed business to be
brought before the meeting. Business transacted at a special meeting is limited
to the purposes for which the meeting is called.
 
     The foregoing provisions could have the effect of making it more difficult
for a third party to acquire, or of discouraging a third party from attempting
to acquire, control of Exchange Applications.
 
     Our charter contains provisions permitted under the Delaware General
Corporation Law relating to the liability of directors. These provisions
eliminate a director's liability for monetary damages for a breach of fiduciary
duty, except in certain circumstances involving certain wrongful acts, such as
the breach of a director's duty of loyalty or acts or omissions which involve
intentional misconduct or a knowing violation of law. Our charter and by-laws
also contain provisions indemnifying our directors and officers to the fullest
extend permitted by the Delaware General Corporation Law. We believe that these
provisions will assist us in attracting and retaining qualified individuals to
serve as directors.
 
     We are subject to the provisions of Section 203 of the Delaware General
Corporation Law. Subject to certain exceptions, Section 203 prohibits a publicly
held Delaware corporation from engaging in a "business combination" with an
"interested stockholder" for a period of three years after the date of the
transaction in which the person became an interested stockholder, unless the
interested stockholder attained such status with the approval of the Board or
unless the business combination is approved in a prescribed manner. A "business
combination" includes certain mergers, assets sales and other transactions
resulting in a financial benefit to the
 
                                       57
<PAGE>   62
 
interested stockholder. Subject to certain exceptions, an "interested
stockholder" is a person who, together with his or her affiliates and
associates, owns, or owned within three years prior 15% or more of the
corporation's voting stock.
 
TRANSFER AGENT AND REGISTRAR
 
     The transfer agent and registrar for the common stock is BankBoston, N.A.
 
                        SHARES ELIGIBLE FOR FUTURE SALE
 
     Upon completion of this offering, we will have 10,825,090 shares of common
stock outstanding (assuming no exercise of the underwriters' over-allotment
option and no exercise of outstanding options under the 1996 Stock Incentive
Plan or other options after May 7, 1999). Of such shares, the 3,450,000 shares
sold in our initial public offering and the 3,000,000 shares sold in this
offering will be freely transferable without restriction or further registration
under the Securities Act of 1933, as amended, except for any shares held by an
existing "affiliate" of Exchange Applications, as that term is defined by the
Securities Act of 1933, as amended, which shares will be subject to the resale
limitations of Rule 144 adopted under the Securities Act. Upon completion of
this offering, 4,282,844 "restricted shares" as defined in Rule 144 will be
outstanding. Of such shares, and without consideration of the contractual
restrictions described below, 454,551 shares would be available for immediate
sale in the public market without restriction pursuant to Rule 144(k), 2,388,890
shares would be eligible for sale in reliance upon Rule 144 promulgated under
the Securities Act and 2,403,698 shares would be eligible for sale in reliance
upon Rule 701 promulgated under the Securities Act.
 
     In general, under Rule 144 as currently in effect, a person (or persons
whose shares are aggregated) who owns shares that were purchased from us (or any
affiliate) at least one year previously, including a person who may be deemed an
affiliate of ours, is entitled to sell within any three-month period a number of
shares that does not exceed the greater of:
 
     - 1% of the then outstanding shares of the common stock (approximately
       10,825,090 shares immediately after this offering); or
 
     - the average weekly trading volume of the common stock on the Nasdaq
       National Market during the four calendar weeks preceding the date on
       which notice of the sale is filed with the Securities and Exchange
       Commission.
 
     Sales under Rule 144 are also subject to certain manner of sale provisions,
notice requirements and the availability of current public information about
Exchange Applications. Any person (or persons whose shares are aggregated) who
is not deemed to have been an affiliate of ours at any time during the 90 days
preceding a sale, and who owns shares within the definition of "restricted
securities" under Rule 144 under the Securities Act of 1933, as amended, that
were purchased from us (or any affiliate) at least two years previously, would
be entitled to sell such shares under Rule 144(k) without regard to the volume
limitations, manner of sale provisions, public information requirements or
notice requirements.
 
     Subject to certain limitations on the aggregate offering price of a
transaction and other conditions, Rule 701 may be relied upon with respect to
the resale of securities originally purchased from us by our employees,
directors, officers, consultants or advisers prior to the date the issuer
becomes subject to the reporting requirements of the Securities Exchange Act of
1934, as amended, pursuant to written compensatory benefit plans or written
contracts relating to compensation of such persons. In addition, the Securities
and Exchange Commission has indicated that Rule 701 will apply to the typical
stock options granted by an issuer before it becomes subject to the reporting
requirements of the Exchange Act of 1934, as amended, along with the shares
acquired upon exercise of those options (including exercises after the date of
 
                                       58
<PAGE>   63
 
this prospectus). Securities issued in reliance on Rule 701 are restricted
securities and, subject to the contractual restrictions described above, may be
sold
 
     - by persons other than affiliates, subject only to the manner of sale
       provisions of Rule 144, and
 
     - by affiliates under Rule 144 without compliance with its one-year holding
       period requirement.
 
     We will require that all selling stockholders agree not to sell any of
their shares of common stock for 90 days after the date of this prospectus
without the prior written consent of the representatives of the underwriters. As
a result of these contractual restrictions and subject to the provisions of
Rules 144(k), 144 and 701, as applicable, 4,624,721 shares subject to
restriction will be eligible for sale upon expiration of the lock-up agreements
90 days after the date of this prospectus.
 
     We have agreed not to offer, sell or otherwise dispose of any shares of
common stock or any securities convertible into or exercisable or exchangeable
for common stock or any rights to acquire common stock for a period of 90 days
after the date of this prospectus, without the prior written consent of the
representatives of the underwriters, subject to certain limited exceptions.
 
     The holders of 3,500,199 shares of common stock or their respective
transferees, will be entitled to certain rights with respect to the registration
of such shares under the Securities Act of 1933, as amended. Registration of
such shares under the Securities Act would result in such shares becoming freely
tradable without restriction under the Securities Act (except for shares
purchased by affiliates) immediately upon the effectiveness of such
registration.
 
     We intend to file a registration statement under the Securities Act
covering all shares of common stock subject to outstanding stock options as well
as all shares of common stock reserved for issuance under our stock plans. Such
registration statement is expected to be filed within 90 days after the date of
this prospectus and will automatically become effective upon filing. Following
such filing, shares registered under such registration statement will, subject
to the contractual restrictions described above, Rule 144 volume limitations
applicable to affiliates and the lapsing of our repurchase rights, be available
for sale in the open market upon the exercise of vested options. At May 7, 1999,
options to purchase 2,940,104 shares were issued and outstanding under the 1996
Stock Incentive Plan and the 1998 Stock Incentive Plan and no options were
issued and outstanding outside of those plans.
 
                                       59
<PAGE>   64
 
                                  UNDERWRITING
 
     Subject to the terms and conditions of the underwriting agreement, the
underwriters named below, through their representatives BT Alex. Brown
Incorporated, Hambrecht & Quist LLC, Adams, Harkness & Hill, Inc. and SoundView
Technology, Inc. have severally agreed to purchase from us and the selling
stockholders the following numbers of shares of common stock at the public
offering price less the underwriting discounts and commissions set forth on the
cover page of this prospectus:
 
<TABLE>
<CAPTION>
                                                               NUMBER OF
                                                               SHARES OF
UNDERWRITER                                                   COMMON STOCK
- -----------                                                   ------------
<S>                                                           <C>
BT Alex. Brown Incorporated.................................
Hambrecht & Quist LLC.......................................
Adams, Harkness & Hill, Inc. ...............................
SoundView Technology Group, Inc. ...........................
                                                                --------
Total.......................................................
                                                                ========
</TABLE>
 
     The underwriting agreement provides that the obligations of the
underwriters are subject to specified conditions and that the underwriters will
purchase all shares of the common stock offered in the offering if any of the
shares are purchased.
 
     Exchange Applications and the selling stockholders have been advised by the
representatives of the underwriters that the underwriters propose to offer the
shares of common stock to the public at the public offering price set forth on
the cover page of this prospectus, and to dealers at that price less a
concession of $     per share. The underwriters may allow, and such dealers may
reallow, a concession not in excess of $     per share to other dealers. After
the public offering of the shares, the offering price and other selling terms
may be changed by the representatives of the underwriters.
 
     The selling stockholders have granted to the underwriters an option,
exercisable not later than 30 days after the date of this prospectus, to
purchase up to 450,000 additional shares of common stock at the public offering
price less the underwriting discounts and commissions set forth on the cover
page of this prospectus. To the extent that the underwriters exercise the
option, each of the underwriters will have a firm commitment to purchase
approximately the same percentage of the option shares that the number of shares
of common stock to be purchased by it shown in the above table bears to
3,000,000. The underwriters may exercise the option only to cover
over-allotments made in connection with the sale of the common stock offered in
the offering. If purchased, the underwriters will offer the additional shares on
the same terms as those on which the 3,000,000 shares are being offered.
 
     The following table summarizes the compensation to the underwriters by us
and by the selling stockholders, and the expenses payable by us.
 
<TABLE>
<CAPTION>
                                                                                TOTAL
                                                                   -------------------------------
                                                                      WITHOUT            WITH
                                                       PER SHARE   OVER-ALLOTMENT   OVER-ALLOTMENT
                                                       ---------   --------------   --------------
<S>                                                    <C>         <C>              <C>
Underwriting discounts and commissions paid by us....
Expenses payable by us...............................
Underwriting discounts and commissions paid by
  selling stockholders...............................
</TABLE>
 
                                       60
<PAGE>   65
 
     Both we and the selling stockholders have agreed to indemnify the
underwriters against civil liabilities, including liabilities under the
Securities Act of 1933, as amended.
 
     Each of our officers, directors and the selling stockholders have agreed
not to offer, sell, contract to sell or otherwise dispose of, or enter into any
transaction which is designed to, or could be expected to result in the
disposition of any portion of, any common stock for a period of 90 days after
the effective date of the registration statement of which this prospectus is a
part, without the prior written consent of BT Alex. Brown Incorporated, except
in the case of transfers to charitable organizations or from entities to their
partners. Such consent may be given at any time without public notice. We have
entered into a similar agreement, except that we may issue, and grant options or
warrants to purchase, shares of common stock or any securities convertible into,
exercisable for or exchangeable for shares of common stock, pursuant to the
exercise of outstanding options and warrants and our issuance of options and
stock granted under the existing stock option and stock purchase plans.
 
     The representatives have advised us and the selling stockholders that the
underwriters do not intend to confirm sales to any accounts over which they
exercise discretionary authority.
 
     In connection with this offering, the underwriters and other persons
participating in this offering may engage in transactions that stabilize,
maintain or otherwise affect the price of the common stock. Specifically, the
underwriters may over-allot in connection with this offering, creating a short
position in common stock for their own account. To cover over-allotments or to
stabilize the price of the common stock, the underwriters may bid for, and
purchase, shares of common stock in the open market. The underwriters may also
impose a penalty bid whereby they may reclaim selling concessions allowed to an
Underwriter or a dealer for distributing common stock in this offering, if the
underwriters repurchase previously distributed common stock in transactions to
cover their short position, in stabilization transactions or otherwise. Finally,
the underwriters may bid for, and purchase, shares of common stock in market
making transactions. These activities may stabilize or maintain the market price
of the common stock above market levels that may otherwise prevail. The
underwriters are not required to engage in these activities and may end any of
these activities at any time.
 
     In connection with this offering, any underwriters and selling stockholders
who are qualified market makers on the Nasdaq National Market may engage in
passive market making transactions in our common stock on the Nasdaq National
Market in accordance with Rule 103 of Regulation M under the Securities Exchange
Act of 1934, as amended. Passive market makers must comply with applicable
volume and price limitations and must be identified as such. In general, a
passive market maker must display its bid at a price not in excess of the
highest independent bid of such security; if all independent bids are lowered
below the passive market maker's bid, however, the passive market maker's bid
must then be lowered when certain purchase limits are exceeded.
 
                          VALIDITY OF THE COMMON STOCK
 
     The validity of the common stock offered hereby will be passed upon for us
by Bingham Dana LLP, Boston, Massachusetts, and for the underwriters by Ropes &
Gray, Boston, Massachusetts.
 
                                    EXPERTS
 
     The consolidated financial statements of Exchange Applications, Inc. as of
December 31, 1997 and 1998 and for each of the three years in the period ended
December 31, 1998 included in this prospectus and Registration Statement have
been audited by Arthur Andersen LLP, independent public accountants, as
indicated in their report with respect thereto, and included herein in reliance
upon the authority of said firm as experts in giving said reports.
                                       61
<PAGE>   66
 
                      WHERE YOU CAN FIND MORE INFORMATION
 
     We file annual, quarterly and special reports, proxy statements and other
information with the SEC. You may read and copy any document we file at the
SEC's public reference room at 450 Fifth Street, N.W., Washington, D.C. 20549.
Please call the SEC at 1-800-SEC-0330 for further information on the public
reference room. Our SEC filings are also available to the public from the SEC's
Website at http://www.sec.gov.
 
     We have filed with the Securities and Exchange Commission, 450 Fifth
Street, N.W., Washington, D.C. 20549, a Registration Statement on Form S-1 (Reg.
No. 333-59613) (the "Registration Statement") under the Securities Act of 1933,
as amended, with respect to the common stock offered hereby. This prospectus
does not contain all of the information set forth in the Registration Statement
and the exhibits to the Registration Statement. Statements made in this
prospectus as to the contents of any contract, agreement or other document
referred to are not necessarily complete but are complete in all material
respects. With respect to each such contract, agreement or other document filed
as an exhibit to the Registration Statement, reference is made to the exhibit
for a more complete description of the matter involved. The Registration
Statement and the exhibits thereto may be inspected and copied at prescribed
rates at the public reference facilities maintained by the SEC at Room 1024,
Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549 and at the
regional offices of the Commission located at Seven World Trade Center, 13th
Floor, New York, New York 10048 and Citicorp Center, 500 West Madison Street,
Suite 1400, Chicago, Illinois 60661. In addition, we are required to file
electronic versions to these documents with the SEC through their Electronic
Data Gathering, Analysis, and Retrieval (EDGAR) system. The SEC maintains a
World Wide Web site at http://www.sec.gov that contains reports, proxy and
information statements and other information regarding registrants that file
electronically with the SEC.
 
                                       62
<PAGE>   67
 
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                              PAGE
                                                              ----
<S>                                                           <C>
Report of Independent Public Accountants....................   F-3
Consolidated Balance Sheets.................................   F-4
Consolidated Statements of Operations.......................   F-5
Consolidated Statements of Stockholders' Equity (Deficit)...   F-6
Consolidated Statements of Cash Flows.......................   F-8
Notes to Consolidated Financial Statements..................  F-10
</TABLE>
 
                                       F-1
<PAGE>   68
 
                      [This Page Intentionally Left Blank]
 
                                       F-2
<PAGE>   69
 
                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
To the Board of Directors of
Exchange Applications, Inc. and subsidiaries:
 
     We have audited the accompanying consolidated balance sheets of Exchange
Applications, Inc., a Delaware corporation, and subsidiaries as of December 31,
1997 and 1998, and the related consolidated statements of operations,
stockholders' equity (deficit) and cash flows for each of the three years in the
period ended December 31, 1998. These financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these financial statements based on our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the 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 financial statements referred to above present fairly,
in all material respects, the financial position of Exchange Applications, Inc.
and subsidiaries as of December 31, 1997 and 1998, and the results of their
operations and their cash flows for each of the three years in the period ended
December 31, 1998, in conformity with generally accepted accounting principles.
 
                                          ARTHUR ANDERSEN LLP
 
Boston, Massachusetts
January 25, 1999
 
                                       F-3
<PAGE>   70
 
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
                          CONSOLIDATED BALANCE SHEETS
                      (IN THOUSANDS, EXCEPT SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                                DECEMBER 31,
                                                              -----------------    MARCH 31,
                                                               1997      1998        1999
                                                              -------   -------   -----------
                                                                                  (UNAUDITED)
<S>                                                           <C>       <C>       <C>
                                           ASSETS
Current assets:
  Cash and cash equivalents.................................  $ 5,273   $ 5,207     $ 2,690
  Marketable securities.....................................       --    15,460      15,630
  Accounts receivable, net..................................    3,848     7,553       8,665
  Prepaid expenses and other current assets.................      729       779       1,113
                                                              -------   -------     -------
     Total current assets...................................    9,850    28,999      28,098
Property and equipment, net.................................      913     2,506       3,185
Long term marketable securities.............................      202       207         204
Other assets................................................      435        79          87
                                                              -------   -------     -------
     Total assets...........................................  $11,400   $31,791     $31,574
                                                              =======   =======     =======
 
                       LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Current liabilities:
  Accounts payable..........................................  $   422   $   393     $   943
  Accrued expenses..........................................    3,247     5,492       3,740
  Current portion of obligations under capital leases.......      212       216         187
  Deferred revenue..........................................      922     1,354       1,863
                                                              -------   -------     -------
     Total current liabilities..............................    4,803     7,455       6,733
Obligations under capital leases, net of current portion....      237       145         111
Commitments (Note 8)
  Redeemable Preferred Stock (Notes 9 and 10)...............    7,088        --          --
Stockholders' equity (deficit):
  Preferred Stock; $.001 par value --
     10,000,000 shares authorized, none issued and
     outstanding............................................       --        --          --
  Series C Preferred Stock, $.001 par value --
     1,223,954 shares designated, issued and outstanding at
     December 31, 1997 and zero shares designated, issued
     and outstanding at December 31, 1998 and March 31,
     1999...................................................        1        --          --
  Common Stock, $.001 par value --
     30,000,000 shares authorized; 4,234,971, 10,098,691,
     and 10,165,508 shares issued at December 31, 1997 and
     1998 and March 31, 1999, respectively..................        4        10          10
  Additional paid-in capital................................    5,061    31,688      31,752
  Accumulated deficit.......................................   (5,464)   (6,620)     (6,210)
  Due from officer..........................................     (125)     (125)       (125)
  Deferred compensation.....................................     (210)     (800)       (732)
  Cumulative translation adjustment.........................        2        30          30
  Unrealized gain on marketable securities..................        3         8           5
  Treasury stock, at cost; 354,825, 365,005 and 365,005
     shares at December 31, 1997, December 31, 1998, and
     March 31, 1999, respectively...........................       --        --          --
                                                              -------   -------     -------
     Total stockholders' equity (deficit)...................     (728)   24,191      24,730
                                                              -------   -------     -------
     Total liabilities and stockholders' equity (deficit)...  $11,400   $31,791     $31,574
                                                              =======   =======     =======
</TABLE>
 
  The accompanying notes are an integral part of these consolidated financial
                                  statements.
                                       F-4
<PAGE>   71
 
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
               (IN THOUSANDS, EXCEPT PER SHARE AND SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                                                    THREE MONTHS ENDED
                                                 YEARS ENDED DECEMBER 31,               MARCH 31,
                                            ----------------------------------   ------------------------
                                              1996        1997         1998         1998         1999
                                            --------   ----------   ----------   ----------   -----------
                                            (NOTE 1)                                   (UNAUDITED)
<S>                                         <C>        <C>          <C>          <C>          <C>
Revenues:
  Software license fees...................  $  1,500   $    5,765   $   14,357   $    2,711   $     5,008
  Services and maintenance................     4,534        6,904       10,419        2,080         3,312
                                            --------   ----------   ----------   ----------   -----------
    Total revenues........................     6,034       12,669       24,776        4,791         8,320
Cost of revenues:
  Software license fees...................       890        1,707          185           84           101
  Services and maintenance................     3,205        5,227        6,836        1,635         1,905
                                            --------   ----------   ----------   ----------   -----------
    Total cost of revenues................     4,095        6,934        7,021        1,719         2,006
                                            --------   ----------   ----------   ----------   -----------
Gross profit..............................     1,939        5,735       17,755        3,072         6,314
Operating expenses:
  Sales and marketing.....................     1,007        3,602        9,828        1,735         3,171
  Research and development................     1,325        2,599        5,813        1,207         1,821
  General and administrative..............     1,018        2,172        3,080          600           899
                                            --------   ----------   ----------   ----------   -----------
    Total operating expenses..............     3,350        8,373       18,721        3,542         5,891
                                            --------   ----------   ----------   ----------   -----------
Loss from operations......................    (1,411)      (2,638)        (966)        (470)          423
Interest income (expense):
  Interest income.........................         2           89          156           41           236
  Interest expense........................      (197)         (64)         (55)         (18)           (8)
                                            --------   ----------   ----------   ----------   -----------
    Total interest income (expense).......      (195)          25          101           23           228
                                            --------   ----------   ----------   ----------   -----------
Income (loss) before provision for income
  taxes...................................    (1,606)      (2,613)        (865)        (447)          651
Provision for income taxes................        --           --          111           --           241
                                            --------   ----------   ----------   ----------   -----------
Net income (loss).........................    (1,606)      (2,613)        (976)        (447)          410
Accretion of discount and dividends on
  preferred stock.........................        --         (684)        (180)         (60)           --
                                            --------   ----------   ----------   ----------   -----------
Net income (loss) applicable to common
  stockholders............................  $ (1,606)  $   (3,297)  $   (1,156)  $     (507)  $       410
                                            ========   ==========   ==========   ==========   ===========
Net income (loss) per share (Note 2(c)):
  Basic and diluted net income (loss) per
    share applicable to common
    stockholders..........................  $ (10.35)  $    (1.13)  $    (0.30)  $    (0.14)  $      0.04
                                            ========   ==========   ==========   ==========   ===========
  Basic weighted average common shares
    outstanding...........................   155,170    2,919,775    3,812,393    3,539,164     9,732,100
                                            ========   ==========   ==========   ==========   ===========
  Diluted weighted average common shares
    outstanding...........................   155,170    2,919,775    3,812,393    3,539,164    11,604,849
                                            ========   ==========   ==========   ==========   ===========
Pro forma net loss per share (Note 2(c)):
  Pro forma basic and diluted net loss per
    share.................................             $    (0.48)  $    (0.13)  $    (0.06)
                                                       ==========   ==========   ==========
  Pro forma basic and diluted weighted
    average common shares outstanding.....              5,390,779    7,591,903    7,318,675
                                                       ==========   ==========   ==========
</TABLE>
 
  The accompanying notes are an integral part of these consolidated financial
                                  statements.
                                       F-5
<PAGE>   72
 
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)
                      (IN THOUSANDS, EXCEPT SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                                            SERIES C
                                               PREFERRED STOCK          PREFERRED STOCK            COMMON STOCK
                              NET PARENT   -----------------------   ----------------------   ----------------------   ADDITIONAL
                               COMPANY      NUMBER OF      $.001     NUMBER OF      $.001     NUMBER OF      $.001      PAID-IN
                              INVESTMENT     SHARES      PAR VALUE     SHARES     PAR VALUE     SHARES     PAR VALUE    CAPITAL
                              ----------   -----------   ---------   ----------   ---------   ----------   ---------   ----------
<S>                           <C>          <C>           <C>         <C>          <C>         <C>          <C>         <C>
Balance, December 31,
  1995......................   $  (561)             --      $--              --      $--              --      $--       $    --
Net loss prior to
  incorporation of
  the Company...............    (2,093)             --       --              --       --              --       --            --
Capitalization of the
  Company...................     2,654              --       --              --       --              --       --            --
Issuance of Preferred
  Stock.....................        --       2,300,000        2              --       --              --       --           868
Issuance of common stock....        --              --       --              --       --       2,484,375        2            --
Net income after
  incorporation of the
  Company...................        --              --       --              --       --              --       --            --
Comprehensive net loss for
  the year ended December
  31, 1996..................
                               -------     -----------      ---      ----------      ---      ----------      ---       -------
Balance, December 31,
  1996......................        --       2,300,000        2              --       --       2,484,375        2           868
Issuance costs relating to
  the sale
  of Series B Preferred
  Stock.....................        --              --       --              --       --              --       --          (111)
Conversion of Preferred
  Stock to common stock.....        --      (2,300,000)      (2)             --       --       1,725,000        2            --
Sale of Series C Preferred
  Stock, net of issuance
  costs of $13..............        --              --       --       1,223,954        1              --       --         3,986
Accretion of discount and
  dividends on Series A
  Preferred Stock...........        --              --       --              --       --              --       --            --
Loan to officer.............        --              --       --              --       --              --       --            --
Issuance of common stock....        --              --       --              --       --          15,500       --            10
Exercise of common stock
  options...................        --              --       --              --       --          10,096       --             7
Deferred compensation.......        --              --       --              --       --              --       --           224
Compensation expense
  associated with stock
  options...................        --              --       --              --       --              --       --            77
Cumulative translation
  adjustment................        --              --       --              --       --              --       --            --
Unrealized gain on
  marketable securities.....        --              --       --              --       --              --       --            --
Net loss....................        --              --       --              --       --              --       --            --
Comprehensive net loss for
  the year ended December
  31, 1997..................
                               -------     -----------      ---      ----------      ---      ----------      ---       -------
Balance, December 31,
  1997......................        --              --       --       1,223,954        1       4,234,971        4         5,061
Accretion of dividends on
  Series A Preferred
  Stock.....................        --              --       --              --       --              --       --
Exercise of common stock
  options...................        --              --       --              --       --          84,210                     58
Deferred compensation.......        --              --       --              --       --              --       --           877
Compensation expense
  associated with stock
  options...................        --              --       --              --       --              --       --           (46)
Issuance of common stock in
  initial public offering,
  net of offering costs.....        --              --       --              --       --       2,000,000        2        18,472
Cancellation of Series A
  Preferred Stock...........        --              --       --              --       --              --       --         3,269
Conversion of Series B
  Preferred Stock...........        --              --       --              --       --       2,555,556        3         3,997
Conversion of Series C
  Preferred Stock to common
  stock.....................        --              --       --      (1,223,954)      (1)      1,223,954        1            --
Cumulative translation
  adjustment................        --              --       --              --       --              --       --            --
Unrealized gain on
  marketable securities.....        --              --       --              --       --              --       --            --
Net loss....................        --              --       --              --       --              --       --            --
Comprehensive net loss for
  the year ended December
  31, 1998..................
                               -------     -----------      ---      ----------      ---      ----------      ---       -------
Balance, December 31,
  1998......................        --              --       --              --       --      10,098,691       10        31,688
Exercise of common stock
  options...................        --              --       --              --       --          66,817       --            64
Compensation expense
  associated with stock
  options...................        --              --       --              --       --              --       --            --
Unrealized loss on
  marketable securities.....        --              --       --              --       --              --       --            --
Net income..................        --              --       --              --       --              --       --            --
Comprehensive net income for
  the three months ended
  March 31, 1999
  (unaudited)...............
                               -------     -----------      ---      ----------      ---      ----------      ---       -------
Balance, March 31, 1999
  (Unaudited)...............   $    --              --      $--              --      $--      10,165,508      $10       $31,752
                               =======     ===========      ===      ==========      ===      ==========      ===       =======
</TABLE>
 
     The accompanying notes are an integral part of these consolidated financial
                                  statements.
                                       F-6
<PAGE>   73
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
    CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) -- (CONTINUED)
                      (IN THOUSANDS, EXCEPT SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                                                                                             UNREALIZED
                                                                               CUMULATIVE     GAIN ON               COMPREHENSIVE
                                       ACCUMULATED   DUE FROM     DEFERRED     TRANSLATION   MARKETABLE                INCOME
                                         DEFICIT     OFFICER    COMPENSATION   ADJUSTMENT    SECURITIES    TOTAL       (LOSS)
                                       -----------   --------   ------------   -----------   ----------   -------   -------------
<S>                                    <C>           <C>        <C>            <C>           <C>          <C>       <C>
Balance, December 31, 1995...........    $    --      $  --        $  --           $--          $--       $  (561)
Net loss prior to incorporation of
  the Company........................         --         --           --            --           --        (2,093)     $(2,093)
Capitalization of the Company........     (2,654)        --           --            --           --            --
Issuance of Preferred Stock..........         --         --           --            --           --           870
Issuance of common stock.............         --         --           --            --           --             2
Net income after incorporation of the
  Company............................        487         --           --            --           --           487          487
                                                                                                                       -------
Comprehensive net loss for the year
  ended December 31, 1996............                                                                                  $(1,606)
                                         -------      -----        -----           ---          ---       -------      =======
Balance, December 31, 1996...........     (2,167)        --           --            --           --        (1,295)
Issuance costs relating to the sale
  of Series B Preferred Stock........         --         --           --            --           --          (111)
Conversion of Preferred Stock to
  common stock.......................         --         --           --            --           --            --
Sale of Series C Preferred Stock, net
  of issuance costs of $13...........         --         --           --            --           --         3,987
Accretion of discount and dividends
  on Series A Preferred Stock........       (684)        --           --            --           --          (684)
Loan to officer......................         --       (125)          --            --           --          (125)
Issuance of common stock.............         --         --           --            --           --            10
Exercise of common stock options.....         --         --           --            --           --             7
Deferred compensation................         --         --         (224)           --           --            --
Compensation expense associated with
  stock options......................         --         --           14            --           --            91
Cumulative translation adjustment....         --         --           --             2           --             2      $     2
Unrealized gain on marketable
  securities.........................         --         --           --            --            3             3            3
Net loss.............................     (2,613)        --           --            --           --        (2,613)      (2,613)
                                                                                                                       -------
Comprehensive net loss for the year
  ended December 31, 1997............                                                                                  $(2,608)
                                         -------      -----        -----           ---          ---       -------      =======
Balance, December 31, 1997...........     (5,464)      (125)        (210)            2            3          (728)
Accretion of dividends on Series A
  Preferred Stock....................       (180)        --           --            --           --          (180)
Exercise of common stock options.....         --         --           --            --           --            58
Deferred compensation................         --         --         (877)           --           --            --
Compensation expense associated with
  stock options......................         --         --          287            --           --           241
Issuance of common stock in initial
  public offering, net of offering
  costs..............................         --         --           --            --           --        18,474
Cancellation of Series A Preferred
  Stock..............................         --         --           --            --           --         3,269
Conversion of Series B Preferred
  Stock
  to common stock....................         --         --           --            --           --         4,000
Conversion of Series C Preferred
  Stock
  to common stock....................         --         --           --            --           --            --
Cumulative translation adjustment....         --         --           --            28           --            28      $    28
Unrealized gain on marketable
  securities.........................         --         --           --            --            5             5            5
Net loss.............................       (976)        --           --            --           --          (976)        (976)
                                                                                                                       -------
Comprehensive net loss for the year
  ended December 31, 1998............                                                                                  $  (943)
                                         -------      -----        -----           ---          ---       -------      =======
Balance, December 31, 1998...........    $(6,620)     $(125)       $(800)          $30          $ 8       $24,191
Exercise of common stock options.....         --         --           --            --           --            64
Compensation expense associated with
  stock options......................         --         --           68            --           --            68
Unrealized loss on marketable
  securities.........................         --         --           --            --           (3)           (3)     $    (3)
Net income...........................        410         --           --            --           --           410          410
                                                                                                                       -------
Comprehensive net income for the
  three months ended March 31, 1999
  (unaudited)........................                                                                                  $   407
                                         -------      -----        -----           ---          ---       -------      -------
Balance, March 31, 1999
  (unaudited)........................    $(6,210)     $(125)       $(732)          $30          $ 5       $24,730
                                         =======      =====        =====           ===          ===       =======      =======
</TABLE>
 
  The accompanying notes are an integral part of these consolidated financial
                                  statements.
 
                                       F-7
<PAGE>   74
 
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                         THREE MONTHS ENDED
                                            YEARS ENDED DECEMBER 31,          MARCH 31,
                                          ----------------------------   -------------------
                                           1996      1997       1998       1998       1999
                                          -------   -------   --------   --------   --------
                                                                             (UNAUDITED)
<S>                                       <C>       <C>       <C>        <C>        <C>
Cash flows from operating activities:
  Net income (loss).....................  $(1,606)  $(2,613)  $   (976)  $  (447)   $   410
  Adjustments to reconcile net loss to
     net cash used in operating
     activities
     Amortization of software
       development costs................      712     1,211         --        --         --
     Depreciation and other
       amortization.....................      176       275        570        87        276
     Compensation expense associated
       with stock options...............       --        91        241        62         68
     Changes in operating assets and
       liabilities --
       Accounts receivable..............   (1,549)   (1,846)    (4,074)   (1,359)    (1,112)
       Prepaid expenses and other
          current assets................       --      (476)       (50)      443       (334)
       Accounts payable.................      385      (113)       (70)      488        550
       Accrued expenses.................      872     2,105      2,356      (629)    (1,752)
       Deferred revenue.................      (72)      576        732       457        509
                                          -------   -------   --------   -------    -------
          Net cash used in operating
            activities..................   (1,082)     (790)    (1,271)     (898)    (1,385)
                                          -------   -------   --------   -------    -------
Cash flows from investing activities:
  Purchases of marketable securities....       --      (200)   (15,460)       --       (171)
  Purchases of property and equipment...     (441)     (102)    (1,983)     (427)      (955)
  Increase in software development
     costs..............................     (703)       --         --        --         --
  (Increase) decrease in other assets...       (3)     (679)       356        --         (8)
                                          -------   -------   --------   -------    -------
          Net cash used in investing
            activities..................   (1,147)     (981)   (17,087)     (427)    (1,134)
                                          -------   -------   --------   -------    -------
</TABLE>
 
  The accompanying notes are an integral part of these consolidated financial
                                  statements.
 
                                       F-8
<PAGE>   75
 
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                         THREE MONTHS ENDED
                                            YEARS ENDED DECEMBER 31,          MARCH 31,
                                          ----------------------------   -------------------
                                           1996      1997       1998       1998       1999
                                          -------   -------   --------   --------   --------
                                                                             (UNAUDITED)
<S>                                       <C>       <C>       <C>        <C>        <C>
Cash flows from financing activities:
  Proceeds from notes payable to related
     parties............................    2,100        --         --        --         --
  Payments of notes payable to related
     parties............................       --    (1,000)        --        --         --
  Repayments under capital leases.......      (12)      (86)      (268)      (48)       (63)
  Due from officer......................       --      (125)        --        --         --
  Exercise of common stock options......       --         7         58         2         65
  Issuance of common stock..............        2        10         --        --         --
  Issuance of common stock in initial
     public offering, net of offering
     costs..............................       --        --     18,474        --         --
  Issuance of Series B Preferred Stock,
     net of offering costs..............       --     3,888         --        --         --
  Issuance of Series C Preferred Stock,
     net of offering costs..............       --     3,987         --        --         --
                                          -------   -------   --------   -------    -------
          Net cash provided by (used in)
            financing activities........    2,090     6,681     18,264       (46)         2
                                          -------   -------   --------   -------    -------
Effect of exchange rate changes on cash
  and cash equivalents..................       --         2         28        46         --
                                          -------   -------   --------   -------    -------
Net increase (decrease) in cash and cash
  equivalents...........................     (139)    4,912        (66)   (1,325)    (2,517)
                                          -------   -------   --------   -------    -------
Cash and cash equivalents, beginning of
  period................................      500       361      5,273     5,273      5,207
                                          -------   -------   --------   -------    -------
Cash and cash equivalents, end of
  period................................  $   361   $ 5,273   $  5,207   $ 3,948    $ 2,690
                                          =======   =======   ========   =======    =======
Supplemental disclosure of cash flow
  information --
  Cash paid for interest................  $   155   $    19   $     55   $    18    $     8
                                          =======   =======   ========   =======    =======
  Cash paid for income taxes............  $    --   $   476   $     --   $    --    $    --
                                          =======   =======   ========   =======    =======
Supplemental disclosure of noncash
  financing and investing activities:
  Equipment acquired under capital
     leases.............................  $    35   $   479   $    180   $    --    $    --
                                          =======   =======   ========   =======    =======
  Conversion of amounts due to a related
     party to Preferred Stock...........  $   870   $    --   $     --   $    --    $    --
                                          =======   =======   ========   =======    =======
  Conversion of Preferred Stock to
     common stock.......................  $    --   $     2   $  4,000   $    --    $    --
                                          =======   =======   ========   =======    =======
  Conversion of notes payable to related
     parties to Series A Preferred
     Stock..............................  $    --   $ 2,405   $     --   $    --    $    --
                                          =======   =======   ========   =======    =======
  Accretion of discount and dividends on
     Preferred Stock....................  $    --   $   684   $    180   $    60    $    --
                                          =======   =======   ========   =======    =======
</TABLE>
 
  The accompanying notes are an integral part of these consolidated financial
                                  statements.
 
                                       F-9
<PAGE>   76
 
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                (INCLUDING DATA APPLICABLE TO UNAUDITED PERIODS)
 
(1) BACKGROUND AND BASIS OF PRESENTATION
 
     Exchange Applications, Inc. and its subsidiaries (the "Company") is a
provider of open, enterprise customer optimization software and solutions that
enable businesses to maximize the economic value of their customers. The
Company's Continuous Customer Management ("CCM") solution, including its VALEX
software and related consulting and integration services, enables businesses to
retain and expand existing profitable customer relationships and to acquire new
customers by: (i) analyzing enterprise-wide databases of customer information;
(ii) identifying and prioritizing opportunities; (iii) creating customized
streams of targeted, real-time, event-triggered customer communications, such as
special offers, follow-up communications, special discounts, new products or
service offerings and other marketing campaigns; (iv) selecting the most
effective channels through which to communicate with customers, such as direct
mail, call centers, the Internet and sales forces; and (v) continuously
evaluating the impact of individual and collective customer communications on
marketing strategies and customer profitability.
 
     The Company was incorporated in Delaware on November 7, 1996. Prior to
incorporation, the Company operated as a division of two entities, Grant &
Partners, Inc. ("GPI") and Grant & Partners L.P. ("GPLP").
 
     GPI was incorporated in June 1993 and was primarily engaged in providing
management consulting services. In November 1994, the Company began operations
when it acquired the rights to certain intellectual property and hired employees
to commence the development of the VALEX software product.
 
     On March 28, 1995, GPI entered into a limited partnership agreement with
Cyrk, Inc. ("Cyrk") to form GPLP. GPI, as the general partner, contributed all
of its assets and liabilities to GPLP for a 50% limited partnership interest.
Cyrk purchased the remaining 50% limited partnership interest in GPLP. Upon
entering into the partnership agreement, GPI became a holding company, with no
substantial operations.
 
     GPLP was established to provide marketing and customer management services
for companies in a wide range of industries including retailing, transportation,
banking and manufacturing. GPLP operated as two separate divisions, Exchange
Applications ("EA") and Exchange Partners ("EP"). EA's focus was marketing
program design and execution, customer database construction and software
application development. EP's focus was providing a variety of management
consulting services for marketing organizations.
 
     On November 15, 1996, the Company and GPLP entered into an assignment and
assumption agreement whereby GPLP contributed EA to the Company in exchange for
2,300,000 shares of preferred stock ("Preferred Stock") of the Company. In
addition, the Company issued 2,484,375 shares of common stock to certain
employees. The Preferred Stock held by GPLP contained voting rights equal to two
votes for each share of common stock into which the Preferred Stock would
convert. As a result, GPLP held approximately 70% of the voting rights of the
Company, thereby retaining a controlling interest in the Company.
 
     In March 1997, the Company restructured its ownership interests through the
conversion of the 2,300,000 shares of Preferred Stock into 1,725,000 shares of
common stock, the conversion of notes payable to related parties (Cyrk and GPLP)
into 2,900,000 shares of Series A redeemable preferred stock ("Series A
Preferred Stock") (see Note 10), the payment of $1,000,000 to discharge certain
indebtedness to Cyrk, and the sale of 2,555,556 shares of Series B redeemable
convertible preferred stock ("Series B Preferred Stock") to venture capital
investors. As a result of the issuance of Series B Preferred Stock, GPLP and
Cyrk's ownership of the Company
 
                                      F-10
<PAGE>   77
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
decreased to approximately 11% and 38%, respectively, on an as-converted basis.
Accordingly, neither GPLP nor Cyrk retained a controlling interest in the
Company.
 
     The accompanying consolidated financial statements prior to the formation
of the Company represent the financial results of the EA division as included in
the consolidated financial statements of GPLP from January 1, 1996 to November
14, 1996.
 
     General corporate overhead costs related to corporate headquarters and
shared administrative support were allocated by GPI and GPLP to EA based on a
number of factors, including, for example, personnel and space utilized.
Management believes these allocations were reasonable and the costs of the
services charged to the Company were not materially different from the costs
that would have been incurred if the Company had performed these functions as a
standalone entity.
 
(2) SIGNIFICANT ACCOUNTING POLICIES
 
     The accompanying consolidated financial statements reflect the application
of certain significant accounting policies as described in this note and
elsewhere in the accompanying consolidated financial statements and notes.
 
  (a) Principles of Consolidation
 
     The accompanying consolidated financial statements include the accounts of
the Company and its wholly owned subsidiaries. All significant intercompany
balances have been eliminated in consolidation.
 
  (b) Interim Financial Statements
 
     The accompanying consolidated financial statements as of March 31, 1998 and
March 31, 1999 are unaudited but, in the opinion of management, include all
adjustments, consisting of only normal recurring adjustments, necessary for a
fair presentation of results of operations for the interim period. Certain
financial information and footnote disclosures normally included in financial
statements prepared in accordance with generally accepted accounting principles
have been omitted with respect to the three-month periods, although the Company
believes that the disclosures included are adequate to make the information
presented not misleading. The results for the three months ended March 31, 1999
are not necessarily indicative of the results that may be expected for the
entire year.
 
  (c) Net Income (Loss) Per Share
 
     In accordance with Statement of Financial Accounting Standards ("SFAS") No.
128, Earnings per Share, basic and diluted net loss per common share for the
years ended December 31, 1996, 1997, 1998 and the three months ended March 31,
1998 is calculated by dividing the net loss applicable to common stockholders by
the weighted average number of vested common shares outstanding (See Note
11(b)). The basic and diluted net loss per share for the year ended December 31,
1996 differs significantly from other periods presented as a result of the
weighted average number of common shares outstanding, which was computed using
1,205,541 vested shares of common stock issued upon incorporation of the
Company, November 15, 1996, weighted for the entire year ended December 31,
1996. Pro forma basic and diluted net loss per share is calculated by dividing
net loss by the weighted average number of vested shares of common stock and
preferred stock, on an as-converted basis, outstanding during the period.
 
                                      F-11
<PAGE>   78
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     For the three months ended March 31, 1999 basic net income per common share
is calculated by dividing the net income applicable to common stockholders by
the weighted average number of vested common shares outstanding for the three
months ended March 31, 1999. Dilutive net income per common share for the three
months ended March 31, 1999 is calculated by dividing the net income applicable
to common stockholders by the weighted average number of vested common shares
outstanding and the dilutive effect of potential common shares, consisting
primarily of outstanding stock options, as determined using the treasury stock
method in accordance with SFAS No. 128.
 
     In accordance with SAB No. 98, the Company has determined that there were
no nominal issuances of the Company's common stock prior to the Company's
initial public offering. The following table reconciles the weighted average
common shares outstanding to the shares used in the computation of basic and
diluted and pro forma basic and diluted weighted average common shares
outstanding:
 
<TABLE>
<CAPTION>
                                                                              THREE MONTHS ENDED
                                            YEARS ENDED DECEMBER 31,              MARCH 31,
                                        ---------------------------------   ----------------------
                                          1996        1997        1998        1998         1999
                                        ---------   ---------   ---------   ---------   ----------
                                                                                 (UNAUDITED)
<S>                                     <C>         <C>         <C>         <C>         <C>
Weighted average common shares
  outstanding.........................    319,906   3,575,244   4,032,306   3,880,165    9,768,176
Less: Weighted average unvested common
  shares outstanding..................    164,736     655,469     219,913     341,001       36,076
                                        ---------   ---------   ---------   ---------   ----------
Basic weighted average common shares
  outstanding.........................    155,170   2,919,775   3,812,393   3,539,164    9,732,100
Add: Dilutive potential common shares
  from stock options and unvested
  common stock........................         --          --          --          --    1,872,749
                                        ---------   ---------   ---------   ---------   ----------
Diluted weighted average common shares
  outstanding.........................    155,170   2,919,775   3,812,393   3,539,164   11,604,849
                                        =========                                       ==========
Add: Weighted average common shares
  issuable upon conversion of
  preferred stock.....................              2,471,004   3,779,510   3,779,511
                                                    ---------   ---------   ---------
Pro forma basic and diluted weighted
  average common shares
  outstanding.........................              5,390,779   7,591,903   7,318,675
                                                    =========   =========   =========
</TABLE>
 
     Diluted weighted average shares outstanding for all periods presented
except March 31, 1999 exclude the potential common shares from stock options,
unvested common stock and convertible preferred stock, because to include such
shares would have been antidilutive. As of December 31, 1996, 1997, 1998, and
March 31, 1998, 3,004,334, 5,598,003, 2,513,130 and 5,273,421 potential common
shares were outstanding, respectively.
 
  (d) Cash Equivalents and Marketable Securities
 
     The Company accounts for cash equivalents and marketable securities in
accordance with SFAS No. 115, Accounting for Certain Investments in Debt and
Equity Securities. Cash equivalents are short-term, highly liquid investments
with original maturity dates of three months or less. Cash equivalents are
carried at cost, which approximates fair market value. The Company's marketable
securities are classified as available-for-sale and are recorded at fair value
with any unrealized gain or loss recorded as an element of stockholders' equity
(deficit). As of December 31, 1998 and March 31, 1999, the Company's marketable
securities consisted of
 
                                      F-12
<PAGE>   79
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
investment-grade corporate bonds. As of March 31, 1999, the Company's marketable
securities had an average remaining maturity date of 62 days. As of December 31,
1998 and March 31, 1999, the Company had recorded unrealized gains of
approximately $3,000, $8,000, and $5,000, respectively.
 
  (e) Long-Lived Assets
 
     In accordance with the provisions of SFAS No. 121, Accounting for
Impairment of Long-Lived Assets and for Long-Lived Assets To Be Disposed Of, the
Company evaluates the realizability of its long-lived assets at each reporting
period based on projected future cash flows. As of December 31, 1997 and 1998
and March 31, 1999, the Company has determined that no material adjustment to
the carrying value of its long-lived assets was required.
 
  (f) Software Development Costs
 
     The Company's VALEX software is highly technical and required a significant
engineering and development effort. In accordance with SFAS No. 86, Accounting
for the Costs of Computer Software To Be Sold, Leased or Otherwise Marketed,
during 1994, 1995 and 1996, the Company capitalized certain software development
costs relating to VALEX incurred from the date technological feasibility of the
software development project had been established through June 1996. These costs
were amortized over an estimated useful life of 18 months commencing with the
general availability of the product in June 1996. For the years ended December
31, 1996, and 1997, the Company charged approximately $712,000 and $1,211,000,
respectively, to the cost of software license fee revenues for the amortization
of these costs. As of December 31, 1997, capitalized software development costs
were fully amortized.
 
     The software development costs incurred subsequent to the commercial
release of VALEX were primarily related to product enhancements and product
maintenance. Consequently, software development costs that would otherwise be
capitalized were not material and, therefore, were expensed as incurred.
 
  (g) Income Taxes
 
     The Company accounts for income taxes in accordance with the provisions of
SFAS No. 109, Accounting for Income Taxes. This statement requires the Company
to recognize a current tax liability or asset for current taxes payable or
refundable and to record a deferred tax asset or liability for the estimated
future tax effects of temporary differences and carryforwards to the extent they
are realizable. A deferred tax provision or benefit results from the net change
in deferred tax assets and liabilities during the year. A deferred tax valuation
allowance is required if it is "more likely than not" that all or a portion of
the recorded deferred tax assets will not be realized.
 
  (h) Financial Instruments
 
     SFAS No. 107, Disclosure About Fair Value of Financial Instruments,
requires disclosures about the fair value of financial instruments. Financial
instruments consist principally of cash equivalents, marketable securities,
accounts receivable, accounts payable, and redeemable preferred stock. The
estimated fair value of these financial instruments approximates their carrying
value.
 
                                      F-13
<PAGE>   80
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
  (i) Concentration of Credit Risk
 
     SFAS No. 105, Disclosure of Information About Financial Instruments with
Off-Balance-Sheet Risk and Financial Instruments with Concentrations of Credit
Risk, requires disclosure of any significant off-balance-sheet and credit risk
concentrations. The Company has no significant off-balance-sheet concentration
of credit risk such as foreign exchange contracts, option contracts or other
foreign hedging arrangements. Financial instruments that potentially subject the
Company to concentrations of credit risk are principally cash equivalents,
marketable securities and accounts receivable. Concentration of credit risk with
respect to accounts receivable is limited to certain customers to whom the
Company makes substantial sales. The Company performs periodic credit
evaluations of its customers and has recorded allowances for estimated losses.
 
  (j) Foreign Currency
 
     The functional currencies of the Company's wholly owned subsidiaries in the
United Kingdom and Australia are the local currencies. The financial statements
of the subsidiaries are translated to United States dollars using period-end
exchange rates for assets and liabilities and average exchange rates during the
corresponding period for revenues, cost of revenues and expenses. Translation
gains and losses are deferred and accumulated as a component of stockholders'
equity (deficit). Net gains and losses resulting from foreign exchange
transactions are included in the consolidated statements of operations and were
not significant during the periods presented.
 
  (k) Revenue Recognition
 
     The Company generates revenue from licensing the rights to use its software
to end users and certain re-sellers. The Company also generates service and
maintenance revenues from integrating its software with its customers' operating
environments, the sale of maintenance services and the sale of certain other
consulting and development services.
 
     The Company has recognized revenue in accordance with the provisions of
Statement of Position ("SOP") No. 91-1, Software Revenue Recognition. In October
1997, the American Institute of Certified Public Accountants ("AICPA") issued
SOP 97-2, Software Revenue Recognition, which supercedes SOP 91-1 and is
effective for transactions entered into for fiscal years beginning after
December 15, 1997. The Company adopted the provisions of SOP 97-2 for the year
ended December 31, 1997. The adoption of this statement did not have a material
impact on the Company's results of operations or financial position.
 
     Revenues from software license fee agreements are recognized upon execution
of a license agreement and delivery of the software, provided that the fee is
fixed or determinable and deemed collectible by management. If conditions for
acceptance are required subsequent to delivery, revenues are recognized upon
customer acceptance. Revenues from software maintenance agreements are
recognized ratably over the term of the maintenance period, which is typically
one year. Revenues from professional service arrangements are recognized on
either a time and materials or percentage-of-completion basis as the services
are performed, provided that amounts due from customers are fixed or
determinable and deemed collectible by management. Amounts collected or billed
prior to satisfying the above revenue recognition criteria are reflected as
deferred revenue or as customer deposits.
 
     Cost of software license fee revenues consists of costs to distribute the
product, including the cost of the media on which it is delivered and royalty
payments to third party vendors, as well as
 
                                      F-14
<PAGE>   81
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
the amortization of software development costs. Cost of service and maintenance
revenues consists primarily of consulting and support personnel salaries and
related costs.
 
     The Company provides for estimated warranty costs at the time software
license fee revenue is recognized.
 
  (l) Accounting for Stock-Based Compensation
 
     In 1996, the Company adopted SFAS No. 123, Accounting for Stock-Based
Compensation. As permitted by SFAS No. 123, the Company has continued to account
for employee stock options in accordance with Accounting Principles Board
Opinion ("APB") No. 25, Accounting for Stock Issued to Employees, and has
included the pro forma disclosures required by SFAS No. 123 for all periods
presented.
 
  (m) Comprehensive Income
 
     The Company has adopted SFAS No. 130, Reporting Comprehensive Income, which
requires disclosure of all components of comprehensive income on an annual and
interim basis. Comprehensive income is defined as the change in stockholders'
equity (deficit) of a business enterprise during a period from transactions and
other events and circumstances from non-owner sources. The Company has disclosed
comprehensive income (loss) for all periods presented in the accompanying
consolidated statements of stockholders' equity (deficit).
 
  (n) Post-retirement Benefits
 
     The Company has no obligations for post-retirement benefits.
 
  (o) Use of Estimates
 
     The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities, the
disclosure of contingent assets and liabilities at the date of the financial
statements, and the reported amounts of revenues and expenses during the
reporting periods. Actual results could differ from those estimates.
 
(3) PROPERTY AND EQUIPMENT
 
     Property and equipment are stated at cost, net of accumulated depreciation
and amortization. The Company provides for depreciation and amortization using
the straight-line method to
 
                                      F-15
<PAGE>   82
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
allocate the cost of property and equipment over their estimated useful lives.
Property and equipment, at cost, and their estimated useful lives are as
follows:
 
<TABLE>
<CAPTION>
                                                    DECEMBER 31,
                                  ESTIMATED       ----------------     MARCH 31,
                                 USEFUL LIFE       1997      1998        1999
                              -----------------   ------    ------    -----------
                                                                      (UNAUDITED)
                                                          (IN THOUSANDS)
<S>                           <C>                 <C>       <C>       <C>
Computers and equipment.....       4 years        $  912    $1,906      $2,360
Furniture and fixtures......      10 years           307       532         640
Purchased software..........       3 years            60       827       1,116
Leasehold improvements......  Life of the lease       39       212         316
                                                  ------    ------      ------
                                                   1,318     3,477       4,432
Less -- Accumulated
  depreciation and
  amortization..............                         405       971       1,247
                                                  ------    ------      ------
                                                  $  913    $2,506      $3,185
                                                  ======    ======      ======
</TABLE>
 
     Depreciation and amortization expense for the years ended December 31,
1996, 1997, and 1998, and the three months ended March 31, 1998 and 1999 was
approximately $176,000, $275,000, $570,000, $87,000 and $276,000, respectively.
 
(4) ACCRUED EXPENSES
 
     Accrued expenses at December 31, 1997 and 1998 and March 31, 1999 consisted
of the following:
 
<TABLE>
<CAPTION>
                                               DECEMBER 31,
                                             ----------------     MARCH 31,
                                              1997      1998        1999
                                             ------    ------    -----------
                                                                 (UNAUDITED)
                                                     (IN THOUSANDS)
<S>                                          <C>       <C>       <C>
Payroll and related costs..................  $1,508    $2,481      $1,464
Royalties..................................     283        47          47
Other......................................   1,456     2,964       2,229
                                             ------    ------      ------
                                             $3,247    $5,492      $3,740
                                             ======    ======      ======
</TABLE>
 
(5) INCOME TAXES
 
     The Company recorded a provision of $111,000 for the year ended December
31, 1998 for foreign income taxes on income earned by its subsidiary in the
United Kingdom. No provision for federal or state income taxes was recorded for
the years ended December 31, 1996, 1997, 1998, and the three months ended March
31, 1998, as the Company incurred net operating losses in those periods. The
Company recorded a provision of $241,000, or 37% of net income before taxes, for
the three months ended March 31, 1999. It is the Company's belief that 37%
represents the expected effective income tax rate for 1999 after taking into
account certain tax credits and the utilization of available net operating loss
carry forwards.
 
     The Company had net operating loss carryforwards of approximately
$2,180,000 at December 31, 1998 to reduce future income taxes, if any. These
carryforwards expire through 2018 and are subject to review and possible
adjustment by the Internal Revenue Service ("IRS").
 
     The Tax Reform Act of 1986 contains provisions that may limit the amount of
net operating loss and credit carryforwards that the Company may utilize in any
one year in the event of certain
 
                                      F-16
<PAGE>   83
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
cumulative changes in ownership over a three-year period in excess of 50%, as
defined. The Company believes it has experienced a change in ownership in excess
of 50%. The Company does not believe that this change in ownership will
significantly impact the Company's ability to utilize its net operating loss
carryforwards.
 
     The approximate tax effects of temporary differences that give rise to
significant portions of the Company's deferred tax assets are as follows:
 
<TABLE>
<CAPTION>
                                                     DECEMBER 31,
                                                   ----------------
                                                   1997      1998
                                                   -----    -------
                                                    (IN THOUSANDS)
<S>                                                <C>      <C>
Nondeductible expenses and reserves..............  $ 465    $ 1,059
Net operating loss carryforwards.................    318        872
                                                   -----    -------
                                                     783      1,931
                                                   -----    -------
Valuation allowance..............................   (783)    (1,931)
                                                   -----    -------
     Net deferred tax asset......................  $  --    $    --
                                                   =====    =======
</TABLE>
 
     It is the Company's objective to become a profitable enterprise and to
realize the benefits of its deferred tax assets. However, in evaluating the
realizability of these deferred tax assets, management has considered the
Company's short operating history, the volatility of the market in which it
competes and the operating losses incurred to date, and believes that given the
significance of this evidence, a full valuation reserve against its deferred tax
assets is required as of December 31, 1997 and 1998. The increase in the
valuation allowance during these periods relates primarily to the Company's
operating losses recorded.
 
(6) REVOLVING NOTE AGREEMENT
 
     In December 1997, the Company entered into a $2,000,000 revolving note
agreement (the "Note") with a bank. Borrowings and the face amount of
outstanding letters of credit are limited to 75% of qualified receivables. As of
December 31, 1997 and 1998 and March 31, 1999, letters of credit totaling
$945,000, $971,000, and $971,000, respectively, were outstanding. Borrowings
under the Note bear interest at the bank's prime rate (7.75% at March 31,1999)
plus .75% per annum, payable monthly in arrears. The Note, which expires May 31,
1999, is secured by substantially all assets of the Company. As of December 31,
1997 and 1998, and March 31, 1999 no borrowings were outstanding under the Note.
 
     Under the Note agreement as amended, the Company must comply with certain
restrictive financial covenants. As of December 31, 1997 and 1998 the Company
had received waivers from the bank for all events of default and the Company was
compliant with all financial covenants as of March 31, 1999.
 
(7) RELATED PARTY TRANSACTIONS
 
  (a) Notes Payable
 
     As of December 31, 1996, the Company had outstanding demand notes payable
totaling $2,960,000 to Cyrk and $274,000 to GPLP. These notes bore interest at
the prime rate payable monthly in arrears. Interest expense on the demand notes
payable amounted to approximately $193,000 and $43,000 for the years ended
December 31, 1996 and 1997, respectively. On March 18, 1997, $1,000,000 of
principal and accrued interest was repaid and the remaining
 
                                      F-17
<PAGE>   84
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
principal balance on the Notes was converted into 2,900,000 shares of Series A
Preferred Stock (see Note 9).
 
  (b) Transactions with GPLP
 
     As discussed in Note 1, on November 15, 1996, the Company and GPLP entered
into an assignment and assumption agreement whereby the Company received the EA
business from GPLP in exchange for 2,300,000 shares of the Company's convertible
preferred stock. At the date of transfer, the total liabilities of the EA
business exceeded its total assets by approximately $1,700,000. GPLP contributed
$870,000 of its advances to EA to the capital of the Company.
 
  (c) Exchange Marketing Group
 
     In March 1997, the Company entered into an employment termination agreement
with an officer of the Company. Upon termination, the officer established
Exchange Marketing Group ("EMG"). The Company repurchased 341,125 shares of
common stock from the officer and six other employees who also terminated their
employment with the Company.
 
     In March 1997, the Company loaned EMG $350,000, as evidenced by a note
receivable. This note accrued interest at 9% per annum with quarterly interest
payments due commencing June 30, 1997. This note and all accrued interest were
repaid in February 1998.
 
(8) COMMITMENTS
 
  (a) Lease Obligations
 
     The Company leases certain equipment under agreements that are accounted
for as capital leases and expire at various dates through year 2001. Interest
rates on these leases range from 12.0% to 14.5%.
 
     The Company has certain non-cancellable operating leases for facilities and
equipment. The operating leases expire at various dates through the year 2003.
The Company has letters of credit outstanding with a bank (see Note 6) for
$971,000 as collateral on its leased facilities and certain equipment. Total
rent expense, net of sublease rent income, under these agreements was
approximately $239,000, $399,000, $924,000, $138,000 and $488,000 for the years
ended December 31, 1996, 1997, and 1998 and the three months ended March 31,
1998 and 1999, respectively.
 
                                      F-18
<PAGE>   85
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     At December 31, 1998, the minimum lease commitments for all leased
facilities and equipment with an initial or remaining term in excess of one year
are as follows:
 
<TABLE>
<CAPTION>
                                                  CAPITAL    OPERATING
                                                  LEASES      LEASES
                                                  -------    ---------
                                                     (IN THOUSANDS)
<S>                                               <C>        <C>
1999............................................   $246       $1,738
2000............................................    125        1,854
2001............................................     31        1,558
2002............................................     --        1,297
2003............................................     --          486
Thereafter......................................     --           --
                                                   ----       ------
     Total minimum payments.....................    402       $6,933
                                                              ======
Less -- Amount representing interest............     41
                                                   ----
     Principal obligation.......................    361
Less -- Current portion.........................    216
                                                   ----
                                                   $145
                                                   ====
</TABLE>
 
     As of December 31, 1998, the Company had entered into two sublease
agreements that will reduce rent expense by approximately $550,000, $355,000 and
$236,000 for the years ended December 31, 1999, 2000 and 2001, respectively. For
the year ended December 31, 1998 and the three months ended March 31, 1999,
$291,000 and $138,000, respectively, of sublease rent income was included in the
net rent expense above.
 
  (b) Royalty
 
     The Company licensed certain intellectual property from a third party,
which has been integrated with VALEX, under a royalty-bearing agreement. Under
the terms of the license agreement, the Company is required to pay royalties to
the licensor totaling approximately $656,000 on the first $10,000,000 of
cumulative VALEX license fees. In the second quarter of 1998, the aggregate
sales of VALEX had exceeded the $10,000,000 limit. Accordingly, the Company has
no further royalty obligation under this agreement. For the years ended December
31, 1996, 1997 and 1998, and the three months ended March 31, 1998 and 1999 the
Company charged royalties of approximately $114,000, and $456,000, $86,000,
$75,000 and zero, respectively, to the cost of software license fees relating to
this agreement.
 
(9) PREFERRED STOCK
 
     At incorporation on November 7, 1996, the Company authorized 10,000,000
shares of $.001 par value Preferred Stock for future issuance in one or more
series. On November 15, 1996, the Company issued 2,300,000 shares of Preferred
Stock to GPLP in consideration for a capital contribution of $870,000, as
discussed in Note 1 and Note 7(b).
 
     On March 18, 1997, the Company converted all of its previously outstanding
shares of Preferred Stock into 1,725,000 shares of common stock. The Company
then amended its certificate of incorporation to reduce the number of authorized
shares of its $.001 par value preferred stock to 5,455,556 shares, of which
2,900,000 shares were designated as Series A Preferred Stock and 2,555,556
shares were designated Series B Preferred Stock. The 2,900,000 shares of Series
A Preferred Stock were issued upon the conversion of $2,405,000 of notes payable
to the related parties, as discussed in Note 7(a). The 2,555,556 shares of
Series B
 
                                      F-19
<PAGE>   86
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
Preferred Stock were sold to venture capital investors at a price of $1.565 per
share, with net proceeds to the Company of $3,888,000.
 
     On December 4, 1997, the Company authorized an additional 1,223,954 shares
of $.001 par value Preferred Stock and designated these shares as Series C
Convertible Preferred Stock ("Series C Preferred Stock"). The 1,223,954 shares
of the Series C Preferred Stock were sold to venture capital investors at a
price of $3.268 per share, with net proceeds to the Company of $3,987,000.
 
     The Company loaned $125,000 to an officer for the purchase of approximately
38,000 shares of Series B Preferred Stock from another stockholder. The loan is
evidenced by a note that bears interest at the prime rate and is secured by the
38,000 shares of Series B Preferred Stock the officer purchased. The Company has
accounted for this loan as a stock subscription receivable classified as Due
from Officer in the accompanying consolidated statements of stockholders' equity
(deficit) as of December 31, 1997 and 1998.
 
     The rights and preferences of the Company's preferred stock, prior to its
conversion to common stock upon completion of the Company's December 14, 1998
initial public offering, were as follows:
 
  Dividends
 
     Each outstanding share of Series A Preferred Stock accrued a cumulative
annual dividend of 8.25%. Holders of Series B Preferred Stock and Series C
Preferred Stock were entitled to a proportionate share of any cash or noncash
common stock dividend as though they were holders of the number of shares of
common stock into which their shares were convertible as of the date declared.
No dividends were declared. The Company provided for Series A Preferred Stock
cumulative dividends by accreting charges against the accumulated deficit with
corresponding increases to the carrying value of the Series A Preferred Stock.
Such increases aggregated approximately $189,000, $180,000 and $60,000 for the
years ended December 31, 1997 and 1998, and the three months ended March 31,
1998, respectively.
 
  Liquidation Preference
 
     Upon liquidation, the holders of Series C Preferred Stock were entitled to
receive $3.268 per share, plus all accrued or declared but unpaid dividends,
prior to any distribution to any holder of any share of any other class or
series of capital stock. If available assets were sufficient to permit payment
of the full preferential amounts on the Series C Preferred Stock, then holders
of Series B Preferred Stock were entitled to receive out of any additional
assets up to $1.565 per share, plus all accrued or declared but unpaid
dividends, and then holders of Series A Preferred Stock were entitled to receive
out of any additional assets up to $1.00 per share, plus all accrued or declared
but unpaid dividends. If the assets available for distribution with respect to
any such series of capital stock were insufficient to permit the payment of the
full preferential amount on such series, as described above, then the holders of
such series would share ratably on the distribution of assets within that series
of stock. If the remaining assets of the Company permit a distribution to common
stockholders, then holders of Series B Preferred Stock were entitled to share
ratably in such distribution with the holders of common stock as if their shares
had been converted to common stock.
 
                                      F-20
<PAGE>   87
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
  Redemption
 
     The Company had the right at any time to redeem all or any portion of the
shares of Series A Preferred Stock then outstanding at $1.00 per share, plus all
accrued or declared but unpaid dividends. The number of shares to be redeemed by
each holder would have been be equal to each specific holder's pro rata share of
the total amount outstanding.
 
     If upon any redemption of Series A Preferred Stock the assets available for
redemption were insufficient to pay to the holders of Series A Preferred Stock
the full redemption value, the holders of a majority of Series A Preferred Stock
may have elected (i) that no redemption be made (in which event all rights in
respect of the shares to be redeemed shall continue in full force and effect) or
(ii) that the holders would share ratably in the redemption according to the
respective amounts which would have been payable to them.
 
     Upon an IPO with gross proceeds of at least $20,000,000 at an offering
price per common share such that the amount obtained by multiplying such
offering price by the number of common stock equivalents, as defined,
outstanding immediately after such offering would be at least $130,000,000 (a
"Qualified Offering"), all shares of Series A Preferred Stock would be
automatically canceled and the shares outstanding prior to such closing would no
longer be deemed to be outstanding.
 
     In the event that the Company completed an IPO that was not a Qualified
Offering, holders of Series A Preferred Stock would have had the option to
redeem all shares held for $0.50 per share plus fifty percent of all accrued or
declared but unpaid dividends. All shares surrendered under such redemption
would have been canceled. Subsequent to redemption, all rights in respect of the
Series A Preferred Stock, except the right to receive the liquidation
preference, would have ceased and terminated, and such shares would no longer be
deemed to have been outstanding.
 
     On December 14, 1998, the Company completed an IPO that satisfied the
conditions of a Qualified Offering. Accordingly, Series A Preferred Stock was
reclassified to $3,269,000 of additional paid-in capital and the Series B
Preferred Stock, at a redemption value of $4,000,000, was converted into
2,555,556 shares of Common Stock without any cash payment required to be made to
the holders of Series B Preferred Stock.
 
  Voting
 
     Holders of Series A Preferred Stock did not have voting rights. Each share
of Series B and Series C Preferred Stock voted ratably with the common
stockholders as if their shares had been converted to common stock.
 
  Conversion
 
     Holders of Series B and Series C Preferred Stock had the option to convert
any such shares into common shares at any time. Upon a conversion of each share
of Series B and Series C Preferred Stock, the number of common shares to be
issued was an amount equal to their respective liquidation preferences divided
by the product of the number of shares being converted and the conversion price
at that time, as defined.
 
     The conversion price initially would have been the respective per share
liquidation preference for each series of preferred stock and was subject to
adjustment in the event that common stock or common stock equivalents were
issued for less per share than the conversion price, subject to certain
exceptions.
 
                                      F-21
<PAGE>   88
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Upon closing of the Company IPO on December 14, 1998, all outstanding
shares of preferred stock were automatically converted into 3,779,510 shares of
common stock and all rights with respect to the preferred stock were
automatically waived upon conversion.
 
(10) REDEEMABLE PREFERRED STOCK
 
     The following is a summary of the activity for the Series A and Series B
Preferred Stock:
 
<TABLE>
<CAPTION>
                                         SERIES A                  SERIES B
                                        REDEEMABLE          CONVERTIBLE REDEEMABLE
                                      PREFERRED STOCK           PREFERRED STOCK
                                  -----------------------   -----------------------     TOTAL
                                  NUMBER OF    REDEMPTION   NUMBER OF    REDEMPTION   REDEMPTION
                                    SHARES       VALUE        SHARES       VALUE        VALUE
                                  ----------   ----------   ----------   ----------   ----------
                                                (IN THOUSANDS, EXCEPT SHARE DATA)
<S>                               <C>          <C>          <C>          <C>          <C>
Balance, December 31, 1996......          --    $    --             --    $    --      $    --
  Conversion of notes payable to
     related parties into Series
     A Preferred Stock..........   2,900,000      2,405             --         --        2,405
  Issuance of Series B Preferred
     Stock......................          --         --      2,555,556      4,000        4,000
  Accretion of discount and
     dividends on Series A
     Preferred Stock............          --        684             --         --          684
                                  ----------    -------     ----------    -------      -------
Balance, December 31, 1997......   2,900,000      3,089      2,555,556      4,000        7,089
  Accretion of dividends on
     Series A Preferred Stock...          --        180             --         --          180
  Retirement of Series A
     Preferred Stock............  (2,900,000)    (3,269)            --         --       (3,269)
  Conversion of Series B
     Preferred Stock to common
       stock....................          --         --     (2,555,556)    (4,000)      (4,000)
                                  ----------    -------     ----------    -------      -------
Balance, December 31, 1998......          --    $    --             --    $    --      $    --
                                  ==========    =======     ==========    =======      =======
</TABLE>
 
     During 1997, the Company issued Series A Preferred Stock at a discount of
$495,000 from its redemption value. The Company accreted this discount to the
Series A Preferred Stock through a charge to accumulated deficit upon issuance.
 
(11) STOCKHOLDERS' EQUITY (DEFICIT)
 
  (a) Common Stock
 
     At incorporation, the Company authorized 10,000,000 shares of $.001 par
value common stock. In March 1997 and December 1997 and July 1998, the Company
amended its certificate of incorporation to increase the number of authorized
shares of $.001 par value common stock to a total of 30,000,000 shares.
 
     The Company has reserved 3,724,963 shares of common stock for the issuance
of stock options under the 1996 Stock Incentive Plan. On July 15, 1998, the
Company reserved an additional 3,000,000 shares of common stock in connection
with the adoption of the 1998 Stock Incentive Plan, an Employee Stock Purchase
Plan and a Directors' Stock Option Plan.
 
                                      F-22
<PAGE>   89
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
  (b) Restricted Common Stock
 
     At incorporation, the Company issued 2,484,375 shares of common stock to
the Company's founders and employees at $.001 per share, the fair market value
as determined by the Board of Directors at the time of issuance.
 
     In connection with the issuance of common stock, the Company and two of its
founders signed a Founder Restricted Stock Agreement (the "Founder Agreement").
These shares vested 50% immediately with the balance vesting ratably on an
annual basis through January 1, 1999.
 
     As provided in the Founder Agreement, if the employment of the founders is
terminated, the Company has the option (the "Company Option") to purchase their
unvested stock. This Company Option shall be exercisable by the Company at a
price equal to the lesser of the issue price or the fair market value of the
stock as determined by the Board of Directors. In March 1997, one of the
founders terminated employment, resulting in the Company's repurchase of
unvested common shares (see Note 7(c)).
 
     In addition, on November 15, 1996, the Company and all of its employees
holding common stock, excluding the two founders, signed restricted stock
agreements (the "Restricted Stock Agreements") providing for shares issued from
the 1996 Stock Incentive Plan to vest retroactively, 25% on the respective
employee's date of hire with an additional 25% on each anniversary thereafter.
 
     According to the Restricted Stock Agreements, if an employee ceases to
provide services to the Company either as a consultant or employee prior to the
third anniversary of the date of hire, the Company has the right to repurchase
the unvested stock from the employee at the price paid by the employee.
 
     In the event of a change of control, as defined, all remaining unvested
stock held by the founders and employees issued under the Founder Agreement and
Restricted Stock Agreements shall be deemed vested and the Company's options to
repurchase unvested shares of restricted common stock shall immediately
terminate. The completion of the Company's initial public stock offering in
December 31, 1998 did not constitute a change of control under the Founder
Agreement or any of the Restricted Stock Agreements.
 
     In March 1997, the Company repurchased 341,125 shares of unvested common
stock at $.001 per share from an officer and six employees who terminated their
employment with the Company. (See Note 7(c)). As of March 31, 1999 the Company
has repurchased an additional 23,880 shares of unvested common stock at $.001
per share since March 1997 from other terminated employees.
 
(12) STOCK OPTIONS
 
     In November 1996, the Company adopted the 1996 Stock Incentive Plan (the
1996 Plan), which provides for the grant of incentive stock options,
nonqualified stock options and restricted common stock to officers, employees
and directors who are also employees of the Company. Non-employee directors and
outside consultants to the Company are eligible to receive nonqualified options
and restricted common stock only.
 
     The 1996 Plan is administered by the Board of Directors, which determines
the fair market value and the purchase price for such options. Options generally
vest over a four-year period and expire 10 years from the date of grant.
Restricted common stock awards entitle recipients to purchase shares of the
Company's common stock subject to restrictions concerning the sale, transfer and
other disposition of the shares issued until such shares are vested. The shares
subject
 
                                      F-23
<PAGE>   90
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
to options that expire or are not exercised for other reasons, or any restricted
common stock that is repurchased by the Company will be available for future
grant under the 1996 Plan.
 
     In addition, the 1996 Plan provides for the granting of time accelerated
incentive stock options. During 1997 and 1998, approximately 608,000 time
accelerated incentive stock options were granted to certain employees. These
options vest and become exercisable 25% annually upon the achievement of certain
performance criteria (the "Criteria") as approved by the Company on an annual
basis, or after a predetermined number of years from the date of grant. The
Criteria, which are set each year by the Board of Directors, allows for vesting
upon the achievement of the Criteria as of December 31 for that year.
 
     On July 15, 1998, the Board of Directors and stockholders approved (i) the
adoption of the 1998 Stock Incentive Plan (the "1998 Plan") pursuant to which
2,700,000 additional shares of the Company's common stock have been reserved for
future issuance, (ii) the adoption of an Employee Stock Purchase Plan pursuant
to which 200,000 shares of the Company's common stock have been reserved for
future issuance, (iii) the adoption of a Directors' Stock Option Plan pursuant
to which 100,000 shares of the Company's common stock have been reserved for
future issuance.
 
     The 1998 Plan is administered by the Board of Directors, which determines
the fair market value and the purchase price for such options. Options generally
vest over a four-year period and expire 10 years from the date of grant.
Restricted common stock awards entitle recipients to purchase shares of the
Company's common stock subject to restrictions concerning the sale, transfer and
other disposition of the shares issued until such shares are vested. The shares
subject to options that expire or are not exercised for other reasons, or any
restricted common stock that is repurchased by the Company will be available for
future grant under the 1998 Plan.
 
     In addition, the 1998 Plan provides for the granting of time accelerated
incentive stock options. To date, approximately 340,000 time accelerated
incentive stock options were granted to certain employees. These options vest
and become exercisable 25% annually upon the achievement of certain performance
criteria (the "Criteria") as approved by the Company on an annual basis, or
after a predetermined number of years from the date of grant. The Criteria,
which are set each year by the Board of Directors, allows for vesting upon the
achievement of the Criteria as of December 31 for that year.
 
     To date, no grants have been made out of the Employee Stock Purchase Plan
or the Directors' Stock Option Plan.
 
                                      F-24
<PAGE>   91
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Stock option activity under the 1996 Plan and the 1998 Plan through March
31, 1999 is as follows:
 
<TABLE>
<CAPTION>
                                        NUMBER OF      RANGE OF       WEIGHTED AVERAGE
                                         SHARES     EXERCISE PRICES    EXERCISE PRICE
                                        ---------   ---------------   ----------------
<S>                                     <C>         <C>               <C>
Outstanding, December 31, 1995........         --   $            --        $   --
  Granted.............................    968,575             0.001         0.001
  Exercised...........................   (968,575)            0.001         0.001
                                        ---------   ---------------        ------
Outstanding, December 31, 1996........         --                --            --
  Granted.............................  1,449,475     0.65 -   1.35          0.74
  Exercised...........................    (10,096)             0.65          0.65
  Canceled............................    (40,154)    0.65 -   0.85          0.66
                                        ---------   ---------------        ------
Outstanding, December 31, 1997........  1,399,225     0.65 -   1.35          0.74
  Granted.............................  1,251,000     1.35 -  14.50          7.43
  Exercised...........................    (84,210)    0.65 -   1.35          0.69
  Canceled............................    (99,107)    0.65 -  14.50          1.80
                                        ---------   ---------------        ------
Outstanding, December 31, 1998........  2,466,908     0.65 -  11.00          4.09
  Granted.............................    437,750    17.00 -  19.50         17.27
  Exercised...........................    (66,817)    0.65 -  10.00          0.97
                                        ---------   ---------------        ------
Outstanding, March 31, 1999
  (unaudited).........................  2,837,841   $ 0.65 - $19.50        $ 6.29
                                        =========   ===============        ======
Exercisable, March 31, 1999
  (unaudited).........................    710,318   $ 0.65 - $11.00        $ 2.05
                                        =========   ===============        ======
</TABLE>
 
     The range of exercise prices for options outstanding and options
exercisable at March 31, 1999 is as follows:
 
<TABLE>
<CAPTION>
                                     OPTIONS OUTSTANDING
                          ------------------------------------------
                                                          WEIGHTED
                                                           AVERAGE         OPTIONS EXERCISABLE
                                                          REMAINING    ----------------------------
                                           WEIGHTED      CONTRACTUAL                    WEIGHTED
                            OPTIONS        AVERAGE          LIFE         OPTIONS        AVERAGE
RANGE OF EXERCISE PRICES  OUTSTANDING   EXERCISE PRICE     (YEARS)     EXERCISABLE   EXERCISE PRICE
- ------------------------  -----------   --------------   -----------   -----------   --------------
<S>                       <C>           <C>              <C>           <C>           <C>
      $0.65-$0.85          1,086,591        $ 0.69          8.26         497,881         $ 0.69
          1.35               211.100          1.35          8.68          59,983           1.35
       3.50-3.85             299,225          3.62          8.92          72,631           3.63
          6.50                56,200          6.50          9.00          10,850           6.50
      10.00-11.00            746,975         10.11          9.51          68,973          10.07
      17.00-19.50            437,750         17.86          9.90              --             --
     -------------         ---------        ------          ----         -------         ------
      $0.65-$19.50         2,837,841        $ 6.29          8.96         710,318         $ 2.05
     -------------        ----------    -----------      --------      -----------   -----------
     -------------        ----------    -----------      --------      -----------   -----------
</TABLE>
 
     In connection with certain stock option grants in 1997 and 1998, the
Company has recorded a total of $1,101,000 of deferred compensation, which is
being amortized and charged to operations over the four-year vesting period of
the related options. Total option-related compensation expense pertaining to
these grants was $14,000, $241,000, $63,000 and $68,000 for the years ended
December 31, 1997 and 1998 and the three months ended March 31, 1998 and 1999,
respectively.
 
     On November 10, 1998 the Company amended the terms of all Stock Option
Agreements granted between May 1, 1998 and September 30, 1998 whereby the
exercise prices on options to purchase 319,100 shares of common stock were
reduced to $10.00 per share.
 
                                      F-25
<PAGE>   92
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The Company has computed the pro forma disclosures required under SFAS No.
123 for options granted during 1996, 1997 and 1998 using the Black-Scholes
option pricing model prescribed by SFAS No. 123. The weighted average
assumptions used were as follows:
 
<TABLE>
<CAPTION>
                                                        YEAR ENDED DECEMBER 31,
                                                     -----------------------------    MARCH 31,
                                                      1996       1997       1998        1999
                                                     -------    -------    -------    ---------
<S>                                                  <C>        <C>        <C>        <C>
Risk-free interest rate............................     6.30%      5.96%      5.40%       5.07%
Expected dividend yield............................       --         --         --          --
Expected lives.....................................  4 years    4 years    4 years     4 years
Expected volatility................................       76%        79%        79%         79%
Weighted average grant date fair value.............   $0.002      $0.46      $2.45       $10.48
</TABLE>
 
     Had compensation expense for the Company's stock option plans been
determined consistent with SFAS No. 123, net income (loss) and net income (loss)
per share applicable to common stockholders would have been approximately as
follows:
 
<TABLE>
<CAPTION>
                                                                                THREE MONTHS
                                                                                   ENDED
                                                 YEARS ENDED DECEMBER 31,        MARCH 31,
                                                ---------------------------   ----------------
                                                 1996      1997      1998      1998      1999
                                                -------   -------   -------   -------   ------
                                                 (IN THOUSANDS, EXCEPT PER      (UNAUDITED)
                                                        SHARE DATA)
<S>                                             <C>       <C>       <C>       <C>       <C>
As reported --
  Net income (loss) applicable to common
     stockholders.............................  $(1,606)  $(3,297)  $(1,156)  $  (507)  $  410
                                                =======   =======   =======   =======   ======
  Diluted net income (loss) per share
     applicable to common stockholders........  $(10.35)  $ (1.13)  $ (0.30)  $ (0.14)  $ 0.04
                                                =======   =======   =======   =======   ======
Pro forma --
  Net loss applicable to common
     stockholders.............................  $(1,607)  $(3,469)  $(3,364)  $(1,082)  $ (799)
                                                =======   =======   =======   =======   ======
  Diluted net loss per share applicable to
     common stockholders......................  $(10.36)  $ (1.19)  $ (0.88)  $ (0.31)  $(0.08)
                                                =======   =======   =======   =======   ======
</TABLE>
 
(13) EMPLOYEE BENEFIT PLAN
 
     The Company has a qualified 401(k) savings plan (the "401(k) Plan")
covering all of the Company's eligible full-time employees. Under this plan,
participants may elect to defer a portion of their compensation, subject to
certain IRS limitations. The Company does not currently provide employer
matching contributions under the 401(k) Plan.
 
(14) SEGMENT AND ENTERPRISE WIDE REPORTING
 
     The Company has adopted SFAS No. 131 Disclosures about Segments of an
Enterprise and Related Information (SFAS No. 131) in the fiscal year ended
December 31, 1998. SFAS No. 131 requires certain financial and supplementary
information to be disclosed on an annual and interim basis of each reportable
segment of an enterprise. SFAS No. 131 also establishes standards for related
disclosures about products and services, geographic areas and major customers.
Operating segments are defined as components of an enterprise about which
separate discrete financial information is evaluated regularly by the chief
operating decision maker or decision making group, in deciding how to allocate
resources and assess performance. Unless impracticable, companies are required
to restate prior period information upon adoption. To date, the Company has
viewed its operations and managed its business as principally one segment. As a
result, the financial information disclosed herein, materially represents all of
the financial information related to the Company's principal operating segment
as a provider of application software.
 
                                      F-26
<PAGE>   93
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Revenues by geographic destination as a percentage of total revenues are as
follows:
 
<TABLE>
<CAPTION>
                                         YEARS ENDED           THREE MONTHS
                                         DECEMBER 31,        ENDED MARCH 31,
                                     --------------------    ----------------
                                     1996    1997    1998    1998       1999
                                     ----    ----    ----    -----      -----
                                                               (UNAUDITED)
<S>                                  <C>     <C>     <C>     <C>        <C>
United States......................   96%     86%     68%      67%        55%
United Kingdom.....................   --       5      14       18          3
Canada.............................    4       8      14       15          9
Other..............................   --       1       4       --         33
                                     ---     ---     ---      ---        ---
                                     100%    100%    100%     100%       100%
                                     ===     ===     ===      ===        ===
</TABLE>
 
     The Company established a foreign subsidiary in the United Kingdom in July
1997 and in Australia in April 1998. Operations in various geographic areas,
since the inception of that entity, are summarized as follows:
 
<TABLE>
<CAPTION>
                             UNITED    UNITED
                             STATES    KINGDOM   AUSTRALIA   ELIMINATIONS   CONSOLIDATED
                             -------   -------   ---------   ------------   ------------
<S>                          <C>       <C>       <C>         <C>            <C>
Year Ended December 31,
  1997
  Total revenues...........  $12,092   $  577     $   --            --        $12,669
                             =======   ======                                 =======
  Net loss.................  $(2,586)  $  (27)    $   --            --        $(2,613)
                             =======   ======                                 =======
  Identifiable assets......  $11,078   $  925     $   --       $  (603)       $11,400
                             =======   ======                  =======        =======
Year Ended December 31,
  1998
  Total revenues...........  $21,415   $4,764     $  304       $(1,707)       $24,776
                             =======   ======     ======       =======        =======
  Net income (loss)........  $(1,106)  $  474     $ (345)      $    --        $  (976)
                             =======   ======                                 =======
  Identifiable assets......  $31,221   $2,127     $  367       $(1,924)       $31,791
                             =======   ======     ======       =======        =======
Three months ended March
  31, 1998 (unaudited)
  Total revenues...........  $ 4,270   $  878     $   --       $  (357)       $ 4,791
                             =======   ======                                 =======
  Net income (loss)........  $  (542)  $   95     $   --       $    --        $  (447)
                             =======   ======                                 =======
  Identifiable assets......  $ 9,630   $2,769     $   --       $(1,088)       $11,311
                             =======   ======                  =======        =======
Three months ended March
  31, 1999 (unaudited)
  Total revenues...........  $ 7,553   $  675     $  597       $  (505)       $ 8,320
                             =======   ======     ======       =======        =======
  Net income (loss)........  $   955   $ (557)    $   12       $    --        $   410
                             =======   ======     ======                      =======
  Identifiable assets......  $31,799   $  943     $1,507       $(2,675)       $31,574
                             =======   ======     ======       =======        =======
</TABLE>
 
     Information with respect to the year ended December 31, 1996 are not
presented as the Company had no foreign operations during that period.
 
                                      F-27
<PAGE>   94
                  EXCHANGE APPLICATIONS, INC. AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The following table summarizes the number of customers that individually
comprise greater than 10% of total revenue and/or total accounts receivable and
their aggregate percentage of the Company's total revenues and accounts
receivable.
 
<TABLE>
<CAPTION>
                                                   REVENUE               ACCOUNTS RECEIVABLE
                                           -----------------------    --------------------------
                                                        PERCENT OF                  PERCENT OF
                                           NUMBER OF      TOTAL       NUMBER OF    TOTAL ACCOUNT
                                           CUSTOMERS     REVENUE      CUSTOMERS     RECEIVABLES
                                           ---------    ----------    ---------    -------------
<S>                                        <C>          <C>           <C>          <C>
FOR THE YEAR ENDED --
December 31, 1996........................      3            41%           4             74%
December 31, 1997........................      2            56            2             66
December 31, 1998........................      1            13            3             47
FOR THE THREE MONTHS ENDED --(UNAUDITED)
March 31, 1998...........................      4            71            4             55
March 31, 1999...........................      1            18            2             33
</TABLE>
 
(15) ALLOWANCE FOR DOUBTFUL ACCOUNTS
 
     A summary of the allowance for doubtful accounts is as follows:
 
<TABLE>
<CAPTION>
                                                   DECEMBER 31,
                                               ---------------------     MARCH 31,
                                               1996     1997    1998       1999
                                               -----    ----    ----    -----------
                                                                        (UNAUDITED)
                                                          (IN THOUSANDS)
<S>                                            <C>      <C>     <C>     <C>
Balance, beginning of period.................  $  75    $ 43    $206       $287
  Provision for doubtful accounts............     99     180     130         --
  Write-offs.................................   (131)    (17)    (49)        --
                                               -----    ----    ----       ----
Balance, end of period.......................  $  43    $206    $287       $287
                                               =====    ====    ====       ====
</TABLE>
 
                                      F-28
<PAGE>   95
                       CUSTOMER RELATIONSHIP OPTIMIZATION

     Exchange Applications' Continuous Customer Management solution is designed
to enable businesses to maximize the profitability of their customer
relationships. Full potential is achieved by allocating marketing investments to
most effectively aquire new customers, expand the profitability of existing
customers and retain customers longer.

                                   [ART WORK]


     Businesses use VALEX to run campaigns disigned to maximize profitability by
focusing on key elements of a customer relationship. In the "ACQUIRE" cycle, a
prospect is contacted via direct mail, resulting in the acquisition of a new
customer. In the "EXPAND" cycle, VALEX identifies high potential cross- selling
opportunities to expand customer relationships with additional product sales. In
the "RETAIN" cycle, VALEX automatically executes a statistical model, notifying
a customer-care organization that the customer is at risk of leaving, and
enables that customer to be contacted and encouraged to stay. Customer
optimization is achieved by simultaneously executing hundreds of these campaigns
and continuously monitoring customers to maximize their profitability across the
enterprise.







<PAGE>   96
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                                3,000,000 SHARES
                          [EXCHANGE APPLICATIONS LOGO]
                                  COMMON STOCK
 
                            ------------------------
 
                                   PROSPECTUS
                            ------------------------
 
                                 BT ALEX. BROWN
 
                               HAMBRECHT & QUIST
 
                          ADAMS, HARKNESS & HILL, INC.
 
                           SOUNDVIEW TECHNOLOGY GROUP
 
                                          , 1999
 
     NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS, AND, IF GIVEN OR
MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN
AUTHORIZED. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL OR THE
SOLICITATION OF AN OFFER TO BUY ANY SECURITIES OTHER THAN THE SECURITIES TO
WHICH IT RELATES OR AN OFFER TO SELL OR THE SOLICITATION OF AN OFFER TO BUY SUCH
SECURITIES IN ANY CIRCUMSTANCES IN WHICH SUCH OFFER OR SOLICITATION IS UNLAWFUL.
NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE HEREUNDER SHALL, UNDER
ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THERE HAS BEEN NO CHANGE IN THE
AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF OR THAT THE INFORMATION CONTAINED
HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO ITS DATE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   97
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 13.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
     Expenses of the Registrant in connection with the issuance and distribution
of the securities being registered, other than the underwriting discount, are
estimated as follows:
 
<TABLE>
<CAPTION>
                                                               TOTAL
                                                              --------
<S>                                                           <C>
SEC Registration Fee........................................    27,575
NASD Fees...................................................    10,419
Printing and Engraving Expenses.............................   150,000
Legal Fees and Expenses.....................................   200,000
Accountants' Fees and Expenses..............................   125,000
Expenses of Qualification Under State Securities Laws,
  Including Attorneys' Fees.................................     5,000
Transfer Agent and Registrar's Fees.........................    10,000
Miscellaneous Costs.........................................    85,000
                                                              --------
     Total..................................................   612,994
</TABLE>
 
ITEM 14.  INDEMNIFICATION OF DIRECTORS, OFFICERS AND EMPLOYEES
 
     Section 145 of the Delaware General Corporation law empowers a Delaware
corporation to indemnify its officers and directors and certain other persons to
the extent and under the circumstances set forth therein.
 
     The Amended and Restated Certificate of Incorporation of the Company and
the Amended and Restated By-laws of the Company, copies of which are filed as
Exhibits 3.1 and 3.2, provide for indemnification of officers and directors of
the Company and certain other persons against liabilities and expenses incurred
by any of them in certain stated proceedings and under certain stated
conditions.
 
ITEM 15.  RECENT SALES OF UNREGISTERED SECURITIES
 
     On November 15, 1996, in connection with the organization of the
Registrant, the Registrant entered into Restricted Stock Agreements dated as of
such date (Restricted Stock Agreements) with certain key employees of the
Registrant. Pursuant to the Restricted Stock Agreements, the Registrant issued
968,575 shares of Restricted Common Stock under the Registrant's 1996 Stock
Incentive Plan to such employees for an aggregate consideration of $968.58 at a
purchase price of $.001 per share.
 
     On November 15, 1996, in addition to the shares of Restricted Common Stock
issued pursuant to the Registrant's 1996 Stock Incentive Plan, (i) the
Registrant issued 848,800 shares of Restricted Common Stock to Andrew J. Frawley
for an aggregate consideration of $848.80 pursuant to a Restricted Stock
Agreement entered into between the Registrant and Andrew J. Frawley, and (ii)
the Registrant issued 667,000 shares of Restricted Common Stock to Michael J.
Feldman for an aggregate consideration of $667.00 pursuant to a Restricted Stock
Agreement entered into between the Registrant and Michael J. Feldman.
 
     The Registrant has, from time to time, repurchased an aggregate of 361,075
shares of common stock from its employees for an aggregate consideration of
$361.08.
 
     On November 15, 1996, in connection with the organization of the
Registrant, the Registrant entered into an Assignment and Assumption Agreement
dated as of such date (Assignment Agreement) with Grant & Partners Limited
Partnership (GPLP) pursuant to which the Registrant
 
                                      II-1
<PAGE>   98
 
issued 2,300,000 shares of Series A Convertible Preferred Stock to GPLP and
assumed certain liabilities of GPLP in exchange for certain assets of GPLP.
 
     On March 18, 1997, the Registrant entered into a Securities Purchase
Agreement dated as of such date (Securities Purchase Agreement) with certain of
its existing stockholders and certain new investors. Pursuant to the Securities
Purchase Agreement, (i) the Registrant issued 1,154,775 shares of Series B
Preferred Stock to Insight Venture Partners II, L.P. for an aggregate
consideration of $1,807,222.88, (ii) the Registrant issued 1,154,775 shares of
Series B Preferred Stock to Wexford Insight LLC for an aggregate consideration
of $1,807,222.88, (iii) the Registrant issued 246,006 shares of Series B
Convertible Preferred Stock to GAP Coinvestment Partners, L.P. for an aggregate
consideration of $384,999.39, (iv) the Registrant converted 2,300,000 shares of
Series A Convertible Preferred Stock held by GPLP to 1,725,000 shares of common
stock, (v) the Registrant issued 377,408 shares of a newly designated Series A
Preferred Stock to GPLP in consideration of the cancellation of certain
indebtedness owed by the Registrant to GPLP, and (vi) the Registrant issued
2,522,592 shares of Series A Preferred Stock to Cyrk, Inc. (Cyrk) in
consideration of the cancellation of certain indebtedness owed by the Registrant
to Cyrk.
 
     On October 3, 1997, the Registrant entered into a Subscription Agreement
dated as of such date with Michael Caccavale pursuant to which the Registrant
issued 15,500 shares of common stock to Michael Caccavale for an aggregate
consideration of $13,175.
 
     On December 4, 1997, the Registrant entered into a Securities Purchase
Agreement dated as of such date with Insight Capital Partners II, L.P. and
Wexford Insight LLC pursuant to which (i) the Registrant issued 611,977 shares
of Series C Convertible Preferred Stock to Insight Capital Partners II, L.P. for
an aggregate consideration of $2,000,000, and (ii) the Registrant issued 611,977
shares of Series C Convertible Preferred Stock to Wexford Insight LLC for an
aggregate consideration of $2,000,000.
 
     The Registrant has, from time to time, issued an aggregate of 185,710
shares of Restricted Common Stock to various employees upon the exercise of
options granted pursuant to the Registrant's 1996 Stock Incentive Plan and 1998
Stock Incentive Plan for an aggregate consideration of $143,568.00 at an average
exercise price of $0.80 per share.
 
     No underwriters were involved in the foregoing sales of securities. Such
sales were made in reliance upon an exemption from the registration provisions
of the Securities Act set forth in Section 4(2) thereof relating to sales by an
issuer not involving any public offering or the rules and regulations
thereunder, or, in the case of certain restricted shares, options to purchase
common stock and shares issuable upon the exercise of such options, Rule 701 of
the Act. All of the foregoing securities are deemed restricted securities for
purposes of the Act.
 
ITEM 16.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES
 
     (a) The following is a list of exhibits filed as a part of this
registration statement:
 
<TABLE>
<CAPTION>
EXHIBITS
- --------
<C>         <S>
   1.1      Form of Underwriting Agreement
   3.1*     Form of Amended and Restated Certificate of Incorporation of
            the Registrant (filed as Exhibit 3.1 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
   3.2*     Form of Amended and Restated By-laws of the Registrant
            (filed as Exhibit 3.2 to the Company's Registration
            Statement on Form S-1, dated July 22, 1998, File No.
            333-59613)
   4.1*     Specimen Certificate for Shares of the Registrant's Common
            Stock, $.001 par value (filed as Exhibit 4.1 to
            Pre-Effective No. 3 to the Company's Registration Statement
            on Form S-1, dated July 22, 1998, File No. 333-59613)
</TABLE>
 
                                      II-2
<PAGE>   99
 
<TABLE>
<CAPTION>
EXHIBITS
- --------
<C>         <S>
   4.2*     Amended and Restated Registration Rights Agreement dated
            December 4, 1997 (filed as Exhibit 10.14 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
   5.1**    Opinion of Bingham Dana LLP
  10.1*     Form of 1998 Stock Incentive Plan, with related forms of
            stock option agreements (filed as Exhibit 10.1 to
            Pre-Effective No. 1 to the Company's Registration Statement
            on Form S-1, dated July 22, 1998, File No. 333-59613)
  10.2*     1996 Stock Incentive Plan, as amended, with related forms of
            stock option agreements and form of restricted stock
            agreement (filed as Exhibit 10.2 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
  10.3*     Form of 1998 Director Stock Option Plan, with related form
            of stock option agreement (filed as Exhibit 10.3 to the
            Company's Registration Statement on Form S-1, dated July 22,
            1998, File No. 333-59613)
  10.4*     Form of 1998 Employee Stock Purchase Plan (filed as Exhibit
            10.4 to the Company's Registration Statement on Form S-1,
            dated July 22, 1998, File No. 333-59613)
  10.5*     401(k) Plan (filed as Exhibit 10.5 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
  10.6*     Employment Agreement, dated November 15, 1996, between the
            Registrant and Andrew J. Frawley (filed as Exhibit 10.6 to
            the Company's Registration Statement on Form S-1, dated July
            22, 1998, File No. 333-59613)
  10.7*     Restricted Stock Agreement, dated November 8, 1996, between
            the Registrant and Andrew J. Frawley (filed as Exhibit 10.7
            to the Company's Registration Statement on Form S-1, dated
            July 22, 1998, File No. 333-59613)
  10.8*     Consulting Agreement, dated March 18, 1997, between the
            Registrant and Exchange Marketing Group, LLC (filed as
            Exhibit 10.8 to the Company's Registration Statement on Form
            S-1, dated July 22, 1998, File No. 333-59613)
  10.9*     Securities Purchase Agreement, dated March 18, 1997 (filed
            as Exhibit 10.9 to the Company's Registration Statement on
            Form S-1, dated July 22, 1998, File No. 333-59613)
 10.10*     Securities Purchase Agreement, dated December 4, 1997 (filed
            as Exhibit 10.10 to the Company's Registration Statement on
            Form S-1, dated July 22, 1998, File No. 333-59613)
 10.11*     Stock Purchase and Waiver Agreement, dated December 4, 1997
            (filed as Exhibit 10.11 to the Company's Registration
            Statement on Form S-1, dated July 22, 1998, File No.
            333-59613)
 10.12*     Promissory Note, dated December 4, 1997, by Andrew J.
            Frawley payable to the Registrant (filed as Exhibit 10.12 to
            the Company's Registration Statement on Form S-1, dated July
            22, 1998, File No. 333-59613)
 10.13*     Amended and Restated Stockholders Agreement dated December
            4, 1997 (filed as Exhibit 10.13 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
 10.14*     Amended and Restated Registration Rights Agreement, dated
            December 4, 1997 (filed as Exhibit 10.14 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
</TABLE>
 
                                      II-3
<PAGE>   100
 
<TABLE>
<CAPTION>
EXHIBITS
- --------
<C>         <S>
 10.15*     Letter Agreement, dated December 22, 1997, between the
            Registrant and Fleet National Bank, as amended, and the
            related Promissory Note (filed as Exhibit 10.15 to the
            Company's Registration Statement on Form S-1, dated July 22,
            1998, File No. 333-59613)
 10.16*     Stock Purchase Agreement, dated June 25, 1998, and the
            related Waiver Agreement to the Amended and Restated
            Stockholders Agreement, dated June 25, 1998 (filed as
            Exhibit 10.16 to the Company's Registration Statement on
            Form S-1, dated July 22, 1998, File No. 333-59613)
 10.17*     Office lease for 89 South Street, Boston, Massachusetts
            (filed as Exhibit 10.17 to the Company's Registration
            Statement on Form S-1, dated July 22, 1998, File No.
            333-5961)
 10.18*     Assignment and Assumption Agreement, dated November 15,
            1996, between the Registrant and Grant & Partners Limited
            Partnership (filed as Exhibit 10.18 to Pre-Effective No. 1
            to the Company's Registration Statement on Form S-1, dated
            July 22, 1998, File No. 333-59613)
 10.19*     Termination Agreements, each dated March 18, 1997, between
            the Registrant and the employees of the Registrant named
            therein (filed as Exhibit 10.19 to Pre-Effective No. 1 to
            the Company's Registration Statement on Form S-1, dated July
            22, 1998, File No. 333-59613)
 10.20*     Consulting Agreement, dated March 18, 1997, between the
            Registrant and Exchange Marketing Group, LLC (filed as
            Exhibit 10.20 to Pre-Effective No. 1 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
  21.1*     Subsidiaries of Registrant (filed as Exhibit 21.1 to the
            Company's Registration Statement on Form S-1, dated July 22,
            1998, File No. 333-59613)
  23.1      Consent of Arthur Andersen LLP
  23.2**    Consent of Bingham Dana LLP
  24.1      Power of Attorney (included on signature page)
  27.1      Financial Data Schedule
</TABLE>
 
- ---------------
 * Incorporated by reference
 
** To be filed by amendment
 
     (b) Financial Statement Schedules
 
  Schedules
 
     All schedules have been omitted because either they are not required, are
not applicable or the information is otherwise set forth in the Consolidated
Financial Statements and notes thereto.
 
ITEM 17.  UNDERTAKINGS
 
     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to directors, officers and controlling persons of the
Registrant pursuant to the provisions described in Item 14 hereof, or otherwise,
the Registrant has been advised that in the opinion of the Securities and
Exchange Commission such indemnification is against public policy as expressed
in the Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the
Registrant of expenses incurred or paid by a director, officer or controlling
person of the Registrant in the successful defense of any action, suit or
proceeding) is asserted by such director, officer or controlling person in
connection with the securities being registered, the registrant will, unless in
the
 
                                      II-4
<PAGE>   101
 
opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Act and will
be governed by the final adjudication of such issue.
 
     The undersigned Registrant hereby undertakes:
 
          (1) To provide the Underwriter at the closing specified in the
     Underwriting Agreement certificates in such denominations and registered in
     such names as required by the Underwriter to permit prompt delivery to each
     purchaser.
 
          (2) That for purposes of determining any liability under the
     Securities Act of 1933, the information omitted from the form of prospectus
     filed as part of this registration statement in reliance upon Rule 430A and
     contained in a form of prospectus filed by the Registrant pursuant to Rule
     424(b)(1) or (4), or 497(h) under the Securities Act shall be deemed to be
     part of this registration statement as of the time it was declared
     effective.
 
          (3) That for the purpose of determining any liability under the
     Securities Act of 1933, each post-effective amendment that contains a form
     of prospectus shall be deemed to be a new registration statement relating
     to the securities offered therein, and the Offering of such securities at
     that time shall be deemed to be the initial bona fide offering thereof.
 
                                      II-5
<PAGE>   102
 
                                   SIGNATURES
 
     Pursuant to the requirements of the Securities Act of 1933, the registrant,
Exchange Applications, Inc., has caused this Registration Statement to be signed
on its behalf by the undersigned, thereunto duly authorized, in the City of
Boston, Commonwealth of Massachusetts, on this 10th day of May, 1999.
 
                                          EXCHANGE APPLICATIONS, INC.
 
                                          By:     /s/ ANDREW J. FRAWLEY
                                            ------------------------------------
                                              Andrew J. Frawley
                                              Chairman of the Board, President
                                              and Chief Executive Officer
 
                               POWER OF ATTORNEY
 
     KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears
below hereby constitutes and appoints Andrew J. Frawley and John G. O'Brien and
each of them, his true and lawful attorneys-in-fact and agents, with full power
of substitution and re-substitution, for him or her and in his or her name,
place and stead, in any and all capacities, to sign any and all amendments
(including post-effective amendments) to this Registration Statement, and to
file the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, granting unto said
attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as full to all intents and purposes as he or she might
or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or any of them, or their or his or her substitute
or substitutes, may lawfully do or cause to be done by virtue hereof.
 
     Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in the
capacities and on the dates indicated:
 
<TABLE>
<CAPTION>
                     SIGNATURE                                      TITLE                     DATE
                     ---------                                      -----                     ----
<C>                                                  <S>                                  <C>
               /s/ ANDREW J. FRAWLEY                 Chairman of the Board, President,    May 10, 1999
- ---------------------------------------------------    Chief Executive Officer and
                 Andrew J. Frawley                     Director (Principal Executive
                                                       Officer)
 
              /s/ DEAN F. GOODERMOTE                 Director                             May 10, 1999
- ---------------------------------------------------
                Dean F. Goodermote
 
                /s/ JEFFREY HORING                   Director                             May 10, 1999
- ---------------------------------------------------
                  Jeffrey Horing
 
             /s/ RAMANAN RAGHAVENDRAN                Director                             May 10, 1999
- ---------------------------------------------------
               Ramanan Raghavendran
 
                /s/ JOHN G. O'BRIEN                  Vice President, Chief Financial      May 10, 1999
- ---------------------------------------------------    Officer, Treasurer and Secretary
                  John G. O'Brien                      (Principal Financial and
                                                       Accounting Officer)
</TABLE>
 
                                      II-6
<PAGE>   103
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
EXHIBITS
- --------
<C>         <S>
   1.1      Form of Underwriting Agreement
   3.1*     Form of Amended and Restated Certificate of Incorporation of
            the Registrant (filed as Exhibit 3.1 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
   3.2*     Form of Amended and Restated By-laws of the Registrant
            (filed as Exhibit 3.2 to the Company's Registration
            Statement on Form S-1, dated July 22, 1998, File No.
            333-59613)
   4.1*     Specimen Certificate for Shares of the Registrant's Common
            Stock, $.001 par value (filed as Exhibit 4.1 to
            Pre-Effective No. 3 to the Company's Registration Statement
            on Form S-1, dated July 22, 1998, File No. 333-59613)
   4.2*     Amended and Restated Registration Rights Agreement dated
            December 4, 1997 (filed as Exhibit 10.14 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
   5.1**    Opinion of Bingham Dana LLP
  10.1*     Form of 1998 Stock Incentive Plan, with related forms of
            stock option agreements (filed as Exhibit 10.1 to
            Pre-Effective No. 1 to the Company's Registration Statement
            on Form S-1, dated July 22, 1998, File No. 333-59613)
  10.2*     1996 Stock Incentive Plan, as amended, with related forms of
            stock option agreements and form of restricted stock
            agreement (filed as Exhibit 10.2 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
  10.3*     Form of 1998 Director Stock Option Plan, with related form
            of stock option agreement (filed as Exhibit 10.3 to the
            Company's Registration Statement on Form S-1, dated July 22,
            1998, File No. 333-59613)
  10.4*     Form of 1998 Employee Stock Purchase Plan (filed as Exhibit
            10.4 to the Company's Registration Statement on Form S-1,
            dated July 22, 1998, File No. 333-59613)
  10.5*     401(k) Plan (filed as Exhibit 10.5 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
  10.6*     Employment Agreement, dated November 15, 1996, between the
            Registrant and Andrew J. Frawley (filed as Exhibit 10.6 to
            the Company's Registration Statement on Form S-1, dated July
            22, 1998, File No. 333-59613)
  10.7*     Restricted Stock Agreement, dated November 8, 1996, between
            the Registrant and Andrew J. Frawley (filed as Exhibit 10.7
            to the Company's Registration Statement on Form S-1, dated
            July 22, 1998, File No. 333-59613)
  10.8*     Consulting Agreement, dated March 18, 1997, between the
            Registrant and Exchange Marketing Group, LLC (filed as
            Exhibit 10.8 to the Company's Registration Statement on Form
            S-1, dated July 22, 1998, File No. 333-59613)
  10.9*     Securities Purchase Agreement, dated March 18, 1997 (filed
            as Exhibit 10.9 to the Company's Registration Statement on
            Form S-1, dated July 22, 1998, File No. 333-59613)
 10.10*     Securities Purchase Agreement, dated December 4, 1997 (filed
            as Exhibit 10.10 to the Company's Registration Statement on
            Form S-1, dated July 22, 1998, File No. 333-59613)
 10.11*     Stock Purchase and Waiver Agreement, dated December 4, 1997
            (filed as Exhibit 10.11 to the Company's Registration
            Statement on Form S-1, dated July 22, 1998, File No.
            333-59613)
</TABLE>
<PAGE>   104
 
<TABLE>
<CAPTION>
EXHIBITS
- --------
<C>         <S>
 10.12*     Promissory Note, dated December 4, 1997, by Andrew J.
            Frawley payable to the Registrant (filed as Exhibit 10.12 to
            the Company's Registration Statement on Form S-1, dated July
            22, 1998, File No. 333-59613)
 10.13*     Amended and Restated Stockholders Agreement dated December
            4, 1997 (filed as Exhibit 10.13 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
 10.14*     Amended and Restated Registration Rights Agreement, dated
            December 4, 1997 (filed as Exhibit 10.14 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
 10.15*     Letter Agreement, dated December 22, 1997, between the
            Registrant and Fleet National Bank, as amended, and the
            related Promissory Note (filed as Exhibit 10.15 to the
            Company's Registration Statement on Form S-1, dated July 22,
            1998, File No. 333-59613)
 10.16*     Stock Purchase Agreement, dated June 25, 1998, and the
            related Waiver Agreement to the Amended and Restated
            Stockholders Agreement, dated June 25, 1998 (filed as
            Exhibit 10.16 to the Company's Registration Statement on
            Form S-1, dated July 22, 1998, File No. 333-59613)
 10.17*     Office lease for 89 South Street, Boston, Massachusetts
            (filed as Exhibit 10.17 to the Company's Registration
            Statement on Form S-1, dated July 22, 1998, File No.
            333-59613)
 10.18*     Assignment and Assumption Agreement, dated November 15,
            1996, between the Registrant and Grant & Partners Limited
            Partnership (filed as Exhibit 10.18 to Pre-Effective No. 1
            to the Company's Registration Statement on Form S-1, dated
            July 22, 1998, File No. 333-59613)
 10.19*     Termination Agreements, each dated March 18, 1997, between
            the Registrant and the employees of the Registrant named
            therein (filed as Exhibit 10.19 to Pre-Effective No. 1 to
            the Company's Registration Statement on Form S-1, dated July
            22, 1998, File No. 333-59613)
 10.20*     Consulting Agreement, dated March 18, 1997, between the
            Registrant and Exchange Marketing Group, LLC (filed as
            Exhibit 10.20 to Pre-Effective No. 1 to the Company's
            Registration Statement on Form S-1, dated July 22, 1998,
            File No. 333-59613)
  21.1*     Subsidiaries of Registrant (filed as Exhibit 21.1 to the
            Company's Registration Statement on Form S-1, dated July 22,
            1998, File No. 333-59613)
  23.1      Consent of Arthur Andersen LLP
  23.2**    Consent of Bingham Dana LLP
  24.1      Power of Attorney (included on signature page)
  27.1      Financial Data Schedule
</TABLE>
 
- ---------------
 * Incorporated by reference
 
** To be filed by amendment

<PAGE>   1

                                                                     Exhibit 1.1

                           EXCHANGE APPLICATIONS, INC.


                                  Common Stock
                          (par value $0.001 per share)

                             UNDERWRITING AGREEMENT

                                                                      May , 1999

BT Alex. Brown Incorporated
Hambrecht & Quist LLC
Adams, Harkness & Hill, Inc.
SoundView Technology Group, Inc.
         As representatives of the several Underwriters
         named in Schedule I hereto,
c/o BT Alex. Brown Incorporated
One South Street
Baltimore, MD  21202

Ladies and Gentlemen:

         Exchange Applications, Inc., a Delaware corporation (the "Company"),
proposes, subject to the terms and conditions stated herein, to issue and sell
to the Underwriters named in Schedule I hereto (the "Underwriters") an aggregate
of 3,450,000 shares of Common Stock (par value $0.001 per share) ("Stock") of
the Company. The Company proposes, subject to the terms and conditions stated
herein, to sell to the Underwriters 1,000,000 shares, some of the stockholders
of the Company named in Schedule II hereto propose, subject to the terms and
conditions stated herein, to sell to the Underwriters 2,000,000 shares and, at
the election of the Underwriters, certain of the stockholders of the Company
named in Schedule II hereto propose, subject to the terms and conditions stated
herein, to sell to the Underwriters up to 450,000 additional shares of stock
(the stockholders listed on Schedule II are referred to herein as the "Selling
Stockholders"). The aggregate of 3,000,000 shares to be sold by the Company and
the Selling Stockholders is herein called the "Firm Shares" and the aggregate of
450,000 additional shares to be sold by the Selling Stockholders is herein
called the "Optional Shares". The Firm Shares and the Optional Shares that the
Underwriters elect to purchase pursuant to Section 2 hereof are herein
collectively called the "Shares".
<PAGE>   2
1.       (a)      The Company represents and warrants to, and agrees with, each 
of the Underwriters that:

         (1)      A registration statement on Form S-1 (File No. 333- ) (the
                  "Initial Registration Statement") in respect of the Shares has
                  been filed with the Securities and Exchange Commission (the
                  "Commission"); the Initial Registration Statement (including
                  any pre-effective amendments thereto) and any post effective
                  amendment thereto, each in the form heretofore delivered to
                  you, and, excluding exhibits thereto, to you for each of the
                  other Underwriters, have been declared effective by the
                  Commission in such form; other than a registration statement,
                  if any, increasing the size of the offering (a "Rule 462(b)
                  Registration Statement"), filed pursuant to Rule 462(b) under
                  the Securities Act of 1933, as amended (the "Act"), which
                  became effective upon filing, no other document with respect
                  to the Initial Registration Statement has heretofore been
                  filed with the Commission; no stop order suspending the
                  effectiveness of the Initial Registration Statement, any
                  post-effective amendment thereto or the Rule 462(b)
                  Registration Statement, if any, has been issued and no
                  proceeding for that purpose has been initiated or threatened
                  by the Commission (any preliminary prospectus included in the
                  Initial Registration Statement or filed with the Commission
                  pursuant to Rule 424(a) of the rules and regulations of the
                  Commission under the Act is hereinafter called a "Preliminary
                  Prospectus"; the various parts of the Initial Registration
                  Statement and the Rule 462(b) Registration Statement, if any,
                  including all exhibits thereto and including the information
                  contained in the form of final prospectus filed with the
                  Commission pursuant to Rule 424(b) under the Act in accordance
                  with Section 5(a) hereof and deemed by virtue of Rule 430A
                  under the Act to be part of the Initial Registration Statement
                  at the time it was declared effective, each as amended at the
                  time such part of the Initial Registration Statement became
                  effective or such part of the Rule 462(b) Registration
                  Statement, if any, became or hereafter becomes effective, are
                  hereinafter collectively called the "Registration Statement";
                  and such final prospectus, in the form first filed pursuant to
                  Rule 424(b) under the Act, is hereinafter called the
                  "Prospectus");

         (2)      No order preventing or suspending the use of any Preliminary
                  Prospectus has been issued by the Commission, and each
                  Preliminary Prospectus, at the time of filing thereof,
                  conformed in all material respects to the requirements of the
                  Act and the rules and regulations of the Commission
                  thereunder, and did not contain an untrue statement of a
                  material fact or omit to state a material fact required to be
                  stated therein or necessary to make the statements therein, in
                  the light of the circumstances under which they were made, not
                  misleading; provided, however, that this representation and
                  warranty shall not apply to any statements or omissions made
                  in reliance upon and in conformity with information furnished
                  in writing to the Company by an Underwriter through BT Alex.
                  Brown Incorporated expressly for 
<PAGE>   3
                  use therein or by a Selling Stockholder expressly for use in
                  the preparation of the answers therein to Items 7 and 11(l) of
                  Form S-1;

         (1)

         (3)      The documents incorporated by reference in the Prospectus,
                  when they became effective or were filed with the Commission,
                  as the case may be, conformed in all material respects to the
                  requirements of the Act of the Securities Exchange Act of
                  1934, as amended (the "Exchange Act"), as applicable, and the
                  rules and regulations of the Commission thereunder, and none
                  of such documents contained an untrue statement of material
                  fact or omitted to state a material fact required to be stated
                  therein or necessary to make the statements therein not
                  misleading; and any further documents so filed and
                  incorporated by reference in the Prospectus or any further
                  amendment or supplement thereto, when such documents become
                  effective or are filed with the Commission, as the case may
                  be, will conform in all material respects to the requirements
                  of the Act or the Exchange Act, as applicable, and the rules
                  and regulations of the Commission thereunder and will not
                  contain an untrue statement of material fact or omit to state
                  a material fact required to be stated therein or necessary to
                  make the statements therein not misleading;

         (4)      The Registration Statement conforms, and the Prospectus and
                  any further amendments or supplements to the Registration
                  Statement or the Prospectus will conform, in all material
                  respects to the requirements of the Act and the rules and
                  regulations of the Commission thereunder and do not and will
                  not, as of the applicable effective date as to the
                  Registration Statement and any amendment thereto, and as of
                  the applicable filing date as to the Prospectus and any
                  amendment or supplement thereto, contain an untrue statement
                  of a material fact or omit to state a material fact required
                  to be stated therein or necessary to make the statements
                  therein not misleading; provided, however, that this
                  representation and warranty shall not apply to any statements
                  or omissions made in reliance upon and in conformity with
                  information furnished in writing to the Company by an
                  Underwriter through BT Alex. Brown Incorporated expressly for
                  use therein or by a Selling Stockholder expressly for use in
                  the preparation of the answers therein to Items 7 and 11(l) of
                  Form S-1;

         (5)      Neither the Company nor any of its subsidiaries has sustained
                  since the date of the latest audited financial statements
                  included in the Prospectus any material loss or interference
                  with its business from fire, explosion, flood or other
                  calamity, whether or not covered by insurance, or from any
                  labor dispute or court or governmental action, order or
                  decree, otherwise than as set forth or contemplated in the
                  Prospectus; and, since the respective dates as of which
                  information is given in the Registration Statement and the
                  Prospectus, there has not been any change in the capital stock
                  or long-term debt of the Company or any of its subsidiaries or
                  any material adverse change, or any development involving a
                  prospective material 


                                      -3-
<PAGE>   4
                  adverse change, in or affecting the general affairs,
                  management, financial position, stockholders' equity or
                  results of operations of the Company and its subsidiaries,
                  otherwise than as set forth or contemplated in the Prospectus;

         (6)      The Company and its subsidiaries have good and marketable
                  title in fee simple to all real property and good and
                  marketable title to all personal property owned by them, in
                  each case free and clear of all liens, encumbrances and
                  defects except such as are described in the Prospectus or such
                  as do not materially affect the value of such property and do
                  not interfere with the use made and proposed to be made of
                  such property by the Company and its subsidiaries; and any
                  real property and buildings held under lease by the Company
                  and its subsidiaries are held by them under valid, subsisting
                  and enforceable leases with such exceptions as are not
                  material and do not interfere with the use made and proposed
                  to be made of such property and buildings by the Company and
                  its subsidiaries;

         (7)      The Company has been duly incorporated and is validly existing
                  as a corporation in good standing under the laws of the State
                  of Delaware, with power and authority (corporate and other) to
                  own its properties and conduct its business as described in
                  the Prospectus, and has been duly qualified as a foreign
                  corporation for the transaction of business and is in good
                  standing under the laws of each other jurisdiction in which it
                  owns or leases properties or conducts any business so as to
                  require such qualification, or is subject to no material
                  liability or disability by reason of the failure to be so
                  qualified in any such jurisdiction; and each subsidiary of the
                  Company has been duly incorporated and is validly existing as
                  a corporation in good standing under the laws of its
                  jurisdiction of incorporation;

         (8)      The Company has an authorized capitalization as set forth in
                  the Prospectus, and all of the issued shares of capital stock
                  of the Company have been duly and validly authorized and
                  issued, are fully paid and non-assessable and conform to the
                  description of the Stock contained in the Prospectus; and all
                  of the issued shares of capital stock of each subsidiary of
                  the Company have been duly and validly authorized and issued,
                  are fully paid and non-assessable and (except for directors'
                  qualifying shares) are owned directly or indirectly by the
                  Company, free and clear of all liens, encumbrances, equities
                  or claims;

         (9)      The unissued Shares to be issued and sold by the Company to
                  the Underwriters hereunder have been duly and validly
                  authorized and, when issued and delivered against payment
                  therefor as provided herein, will be duly and validly issued
                  and fully paid and non-assessable and will conform to the
                  description of the Stock contained in the Prospectus;

         (10)     The issue and sale of the Shares by the Company and the
                  compliance by the 


                                      -4-
<PAGE>   5
                  Company with all of the provisions of this Agreement and the
                  consummation of the transactions herein contemplated will not
                  conflict with or result in a breach or violation of any of the
                  terms or provisions of, or constitute a default under, any
                  indenture, mortgage, deed of trust, loan agreement or other
                  agreement or instrument to which the Company or any of its
                  subsidiaries is a party or by which the Company or any of its
                  subsidiaries is bound or to which any of the property or
                  assets of the Company or any of its subsidiaries is subject,
                  nor will such action result in any violation of the provisions
                  of the Certificate of Incorporation or By-laws of the Company
                  or any statute or any order, rule or regulation of any court
                  or governmental agency or body having jurisdiction over the
                  Company or any of its subsidiaries or any of their properties;
                  and no consent, approval, authorization, order, registration
                  or qualification of or with any such court or governmental
                  agency or body is required for the issue and sale of the
                  Shares or the consummation by the Company of the transactions
                  contemplated by this Agreement, except the registration under
                  the Act of the Shares and such consents, approvals,
                  authorizations, registrations or qualifications as may be
                  required under state securities or Blue Sky laws in connection
                  with the purchase and distribution of the Shares by the
                  Underwriters;

         (11)     Neither the Company nor any of its subsidiaries is in
                  violation of its Certificate of Incorporation or By-laws or in
                  default in the performance or observance of any material
                  obligation, agreement, covenant or condition contained in any
                  indenture, mortgage, deed of trust, loan agreement, lease or
                  other agreement or instrument to which it is a party or by
                  which it or any of its properties may be bound;

         (12)     The statements set forth in the Prospectus under the caption
                  "Description of Capital Stock", insofar as they purport to
                  constitute a summary of the terms of the Stock and under the
                  caption "Underwriting", insofar as they purport to describe
                  the provisions of the laws and documents referred to therein,
                  are accurate, complete and fair;

         (13)     Other than as set forth in the Prospectus, there are no legal
                  or governmental proceedings pending to which the Company or
                  any of its subsidiaries is a party or of which any property of
                  the Company or any of its subsidiaries is the subject which,
                  if determined adversely to the Company or any of its
                  subsidiaries, would individually or in the aggregate have a
                  material adverse effect on the current or future consolidated
                  financial position, stockholders' equity or results of
                  operations of the Company and its subsidiaries; and, to the
                  best of the Company's knowledge, no such proceedings are
                  threatened or contemplated by governmental authorities or
                  threatened by others;

         (14)     The Company owns or has the right to use pursuant to license,
                  sublicense, 


                                      -5-
<PAGE>   6
                  agreement, or permission all patents, patent applications,
                  trademarks, service marks, trade names, copyrights, trade
                  secrets, confidential information and proprietary rights and
                  processes ("Intellectual Property") necessary or desirable for
                  the operation of the business of the Company as presently
                  conducted and as presently proposed to be conducted. The
                  Company has taken all necessary and desirable action to
                  maintain and protect each item of Intellectual Property that
                  the Company owns or uses. To the knowledge of the Company, no
                  third party has interfered with, infringed upon,
                  misappropriated, or otherwise come into conflict with any
                  Intellectual Property rights of the Company.

                  The Company has not interfered with, infringed upon,
                  misappropriated, or otherwise come into conflict with any
                  Intellectual Property rights of third parties, and there has
                  never been any charge, complaint, claim, demand, or notice
                  alleging any such interference, infringement,
                  misappropriation, or violation (including any claim that the
                  Company must license or refrain from using any Intellectual
                  Property rights of any third party). The Company will not
                  interfere with, infringe upon, misappropriate, or otherwise
                  come into conflict with, any Intellectual Property rights of
                  third parties as a result of the continued operation of its
                  business as presently conducted.

         (15)     The Company is not and, after giving effect to the offering
                  and sale of the Shares, will not be an "investment company" or
                  an entity "controlled" by an "investment company", as such
                  terms are defined in the Investment Company Act of 1940, as
                  amended (the "Investment Company Act");

         (16)     Neither the Company nor any of its affiliates does business
                  with the government of Cuba or with any person or affiliate
                  located in Cuba within the meaning of Section 517.075, Florida
                  Statutes; and

         (17)     Arthur Andersen LLP, who have certified certain financial
                  statements of the Company and its subsidiaries, are
                  independent public accountants as required by the Act and the
                  rules and regulations of the Commission thereunder.

         (b)      Each of the Selling Stockholders severally and not jointly
represents and warrants to, and agrees with, each of the Underwriters and the
Company that:

         (18)     All consents, approvals, authorizations and orders necessary
                  for the execution and delivery by such Selling Stockholder of
                  this Agreement and the Power of Attorney and the Custody
                  Agreement hereinafter referred to, and (assuming the making of
                  all filings required under Rules 424(b), 430A and 462 under
                  the Act and the due qualification of the Shares for public
                  offering by the Underwriters under state and foreign
                  securities laws) for the sale and delivery of the Shares to be
                  sold by such 


                                      -6-
<PAGE>   7
                  Selling Stockholder hereunder, have been obtained; and such
                  Selling Stockholder has full right, power and authority to
                  enter into this Agreement, the Power-of-Attorney and the
                  Custody Agreement and to sell, assign, transfer and deliver
                  the Shares to be sold by such Selling Stockholder hereunder;

         (19)     The sale of the Shares to be sold by such Selling Stockholder
                  hereunder and the compliance by such Selling Stockholder with
                  all of the provisions of this Agreement, the Power of Attorney
                  and the Custody Agreement and the consummation of the
                  transactions herein and therein contemplated will not conflict
                  with or result in a breach or violation of any of the terms or
                  provisions of, or constitute a default under, any statute,
                  indenture, mortgage, deed of trust, loan agreement or other
                  agreement or instrument to which such Selling Stockholder is a
                  party or by which such Selling Stockholder is bound or to
                  which any of the property or assets of such Selling
                  Stockholder is subject, nor will such action result in any
                  violation of the provisions of the certificate of
                  incorporation or by-laws of such Selling Stockholder if such
                  Selling Stockholder is a corporation, the partnership
                  agreement of such Selling Stockholder if such Selling
                  Stockholder is a partnership, the limited liability company
                  operating agreement and certificate of organization if such
                  Selling Stockholder is a limited liability company or any
                  statute or any order, rule or regulation of any court or
                  governmental agency or body having jurisdiction over such
                  Selling Stockholder or the property of such Selling
                  Stockholder;

         (20)     Such Selling Stockholder has, and immediately prior to each
                  Time of Delivery (as defined in Section 4 hereof) such Selling
                  Stockholder will have, good and valid title to the Shares to
                  be sold by such Selling Stockholder hereunder, free and clear
                  of all liens, encumbrances, equities or claims; and, upon
                  delivery of such Shares and payment therefor pursuant hereto,
                  good and valid title to such Shares, free and clear of all
                  liens, encumbrances, equities or claims, will pass to the
                  several Underwriters;

         (21)     Without having undertaken any investigation or inquiry to
                  determine, and without in any way passing upon or assuming
                  responsibility for, the accuracy or completeness of either the
                  representations and warranties of the Company contained herein
                  or the information contained in the Registration Statement,
                  such Selling Stockholder (A) has no actual current knowledge
                  that the representations and warranties of the Company
                  contained in this Section 1 are not true and correct in all
                  material respects and (B) is familiar with (but did not in any
                  way participate in the preparation of) the Registration
                  Statement and has no actual current knowledge of any untrue
                  statement of a material fact in the Registration Statement
                  concerning the business of the Company or any omission to
                  state in the Registration Statement any material fact
                  concerning the business of the Company required to be stated
                  therein or necessary to make the statements therein not
                  misleading; provided, however, that the foregoing
                  representation does not relate to, and such Selling
                  Stockholder makes no 


                                      -7-
<PAGE>   8
                  comment with respect to, the financial statements and the
                  notes thereto and the schedules and other financial and
                  statistical data included in the Registration Statement. With
                  respect to Selling Stockholder Cyrk, Inc., the phrase "actual
                  current knowledge" means the actual current knowledge of the
                  President or the Executive Vice President of Cyrk, Inc. With
                  respect to Selling Stockholder Wexford Insight LLC, the phrase
                  "actual current knowledge" means the actual current knowledge
                  of any managing member of Wexford Insight LLC. The information
                  pertaining to such Selling Stockholder under the caption
                  "Principal and Selling Stockholders" in the Prospectus is
                  complete and accurate in all material respects.

         (22)     During the period beginning from the date hereof and
                  continuing to and including the date 90 days after the date of
                  the Prospectus, not to offer, sell contract to sell or
                  otherwise dispose of, except as provided hereunder, any
                  securities of the Company that are substantially similar to
                  the Shares, including but not limited to any securities that
                  are convertible into or exchangeable for, or that represent
                  the right to receive, Stock or any such substantially similar
                  securities (other than pursuant to employee stock option plans
                  existing on, or upon the conversion or exchange of convertible
                  or exchangeable securities outstanding as of, the date of this
                  Agreement), without your prior written consent, provided,
                  however, that notwithstanding the foregoing restrictions on
                  transfer, Selling Stockholders shall be permitted to make the
                  following transfers: (i) transfers made by gift, will or
                  intestacy, provided the donee thereof agrees in writing to be
                  bound by the terms hereof; (ii) transfers to the transferor's
                  affiliates, as such term is defined in Rule 405 promulgated
                  under the Securities Act, provided that each transferee agrees
                  in writing to be bound by the terms hereof; and (iii)
                  transfers made with your prior written consent;

         (23)     Such Selling Stockholder has not taken and will not take,
                  directly or indirectly, any action which is designed to or
                  which has constituted or which might reasonably be expected to
                  cause or result in stabilization or manipulation of the price
                  of any security of the Company to facilitate the sale or
                  resale of the Shares;

         (24)     To the extent that any statements or omissions made in the
                  Registration Statement, any Preliminary Prospectus, the
                  Prospectus or any amendment or supplement thereto are made in
                  reliance upon and in conformity with written information
                  furnished to the Company by such Selling Stockholder expressly
                  for use therein, such Preliminary Prospectus and the
                  Registration Statement did, and the Prospectus and any further
                  amendments or supplements to the Registration Statement and
                  the Prospectus, when they become effective or are filed with
                  the Commission, as the case may be, will conform in all
                  material respects to the requirements of the Act and the rules
                  and regulations of the Commission thereunder and will not
                  contain any untrue statement of a material fact or omit to
                  state any material fact required to be 


                                      -8-
<PAGE>   9
                  stated therein or necessary to make the statements therein not
                  misleading;

         (25)     In order to document the Underwriters' compliance with the
                  reporting and withholding provisions of the Tax Equity and
                  Fiscal Responsibility Act of 1982 with respect to the
                  transactions herein contemplated, such Selling Stockholder
                  will deliver to you prior to or at the First Time of Delivery
                  (as hereinafter defined) a properly completed and executed
                  United States Treasury Department Form W-9 (or other
                  applicable form or statement specified by Treasury Department
                  regulations in lieu thereof);

         (26)     Certificates in negotiable form representing all of the Shares
                  to be sold by such Selling Stockholder hereunder have been
                  placed in custody under a Custody Agreement, in the form
                  heretofore furnished to you (the "Custody Agreement"), duly
                  executed and delivered by such Selling Stockholder to Exchange
                  Applications, Inc., as custodian (the "Custodian"), and such
                  Selling Stockholder has duly executed and delivered a Power of
                  Attorney, in the form heretofore furnished to you (the "Power
                  of Attorney"), appointing the persons indicated in Schedule II
                  hereto, and each of them, as such Selling Stockholder's
                  attorneys-in-fact (the "Attorneys-in-Fact") with authority to
                  execute and deliver this Agreement on behalf of such Selling
                  Stockholder, and, subject to the terms thereof, to determine
                  the purchase price to be paid by the Underwriters to the
                  Selling Stockholders as provided in Section 2 hereof, to
                  authorize the delivery of the Shares to be sold by such
                  Selling Stockholder hereunder and otherwise to act on behalf
                  of such Selling Stockholder in connection with the
                  transactions contemplated by this Agreement and the Custody
                  Agreement; and

         (27)     The Shares represented by the certificates held in custody for
                  such Selling Stockholder under the Custody Agreement are
                  subject to the interests of the Underwriters hereunder; the
                  arrangements made by such Selling Stockholder for such
                  custody, and the appointment by such Selling Stockholder of
                  the Attorneys-in-Fact by the Power of Attorney, are to that
                  extent irrevocable; the obligations of such Selling
                  Stockholder hereunder shall not be terminated by operation of
                  law, whether by the death or incapacity of any individual
                  Selling Stockholder or, in the case of an estate or trust, by
                  the death or incapacity of any executor or trustee or the
                  termination of such estate or trust, or in the case of a
                  partnership, corporation or limited liability company, by the
                  dissolution of such partnership, corporation or limited
                  liability company, or by the occurrence of any other event; if
                  any individual Selling Stockholder or any such executor or
                  trustee should die or become incapacitated, or if any such
                  estate or trust should be terminated, or if any such
                  partnership, corporation or limited liability company should
                  be dissolved, or if any other such event should occur, before
                  the delivery of the Shares hereunder, certificates
                  representing the Shares shall be delivered by or on 


                                      -9-
<PAGE>   10
                  behalf of such Selling Stockholder in accordance with the
                  terms and conditions of this Agreement and of the Custody
                  Agreements; and actions taken by the Attorneys-in-Fact
                  pursuant to the Powers of Attorney shall be as valid as if
                  such death, incapacity, termination, dissolution or other
                  event had not occurred, regardless of whether or not the
                  Custodian, the Attorneys-in-Fact, or any of them, shall have
                  received notice of such death, incapacity, termination,
                  dissolution or other event.

2.       Subject to the terms and conditions herein set forth, (a) the Company 
and each of the Selling Stockholders agree, severally and not jointly, to sell
to each of the Underwriters, and each of the Underwriters agrees, severally and
not jointly, to purchase from the Company and each of the Selling Stockholders,
at a purchase price per share of $[ ], the number of Firm Shares (to be adjusted
by you so as to eliminate fractional shares) determined by multiplying the
aggregate number of Firm Shares to be sold by the Company and each of the
Selling Stockholders as set forth opposite their respective names in Schedule II
hereto by a fraction, the numerator of which is the aggregate number of Firm
Shares to be purchased by such Underwriter as set forth opposite the name of
such Underwriter in Schedule I hereto and the denominator of which is the
aggregate number of Firm Shares to be purchased by all of the Underwriters from
the Company and all of the Selling Stockholders hereunder and (b) in the event
and to the extent that the Underwriters shall exercise the election to purchase
Optional Shares as provided below, each of the Selling Stockholders agree,
severally and not jointly, to sell to each of the Underwriters, and each of the
Underwriters agrees, severally and not jointly, to purchase from each of the
Selling Stockholders, at the purchase price per share set forth in clause (a) of
this Section 2, that portion of the number of Optional Shares set forth opposite
their respective names in Schedule II hereto as to which such election shall
have been exercised (to be adjusted by you so as to eliminate fractional shares)
determined by multiplying such number of Optional Shares by a fraction the
numerator of which is the maximum number of Optional Shares which such
Underwriter is entitled to purchase as set forth opposite the name of such
Underwriter in Schedule I hereto and the denominator of which is the maximum
number of Optional Shares that all of the Underwriters are entitled to purchase
hereunder.

         The Selling Stockholders, as and to the extent indicated in Schedule II
hereto, hereby grant, severally and not jointly, to the Underwriters the right
to purchase at their election up to 450,000 Optional Shares, at the purchase
price per share set forth in the paragraph above, for the sole purpose of
covering overallotments in the sale of the Firm Shares. Any such election to
purchase Optional Shares shall be made in proportion to the maximum number of
Optional Shares to be sold by each Selling Stockholder as set forth in Schedule
II hereto among the Selling Stockholders in proportion to the maximum number of
Optional Shares to be sold by each Selling Stockholder as set forth in Schedule
II hereto. Any such election to purchase Optional Shares may be exercised only
by written notice from you to the Company and the Attorneys-in-Fact, given
within a period of 30 calendar days after the date of this Agreement and setting
forth the aggregate number of Optional Shares to be purchased and the date on
which such Optional Shares are to be delivered, as 


                                      -10-
<PAGE>   11
determined by you but in no event earlier than the First Time of Delivery (as
defined in Section 4 hereof) or, unless you and the Company and the
Attorneys-in-Fact otherwise agree in writing, earlier than two or later than ten
business days after the date of such notice.

3.       Upon the authorization by you of the release of the Firm Shares, the 
several Underwriters propose to offer the Firm Shares for sale upon the terms
and conditions set forth in the Prospectus.

4.       (a)      The Shares to be purchased by each Underwriter hereunder, in
definitive form, and in such authorized denominations and registered in such
names as BT Alex. Brown Incorporated may request upon at least forty-eight
hours prior notice to the Company and the Selling Stockholders shall be
delivered by or on behalf of the Company and the Selling Stockholders to BT
Alex. Brown Incorporated, through the facilities of the Depository Trust Company
("DTC"), for the account of such Underwriter, against payment by or on behalf of
such Underwriter of the purchase price therefor by wire transfer to an account
designated by the Company and each of the Selling Stockholders in Federal (same
day) funds. The Company and each Selling Stockholder will cause the certificates
representing the Shares to be made available for checking and packaging at least
twenty-four hours prior to the Time of Delivery (as defined below) with respect
thereto at the office of DTC or its designated custodian (the "Designated
Office"). The time and date of such delivery and payment shall be, with respect
to the Firm Shares, 9:30 a.m., New York City time, on June [ ], 1999 or such
other time and date as BT Alex. Brown Incorporated, the Company and the Selling
Stockholders may agree upon in writing, and, with respect to the Optional
Shares, 9:30 a.m., New York time, on the date specified by BT Alex. Brown
Incorporated in the written notice given by BT Alex. Brown Incorporated of the
Underwriters election to purchase such Optional Shares, or such other time and
date as BT Alex. Brown Incorporated, the Company and the Selling Stockholders
may agree upon in writing. Such time and date for delivery of the Firm Shares is
herein called the "First Time of Delivery", such time and date for delivery of
the Optional Shares, if not the First Time of Delivery, is herein called the
"Second Time of Delivery", and each such time and date for delivery is herein
called a "Time of Delivery".

         (b)      The documents to be delivered at each Time of Delivery by or 
on behalf of the parties hereto pursuant to Section 7 hereof, including the
cross receipt for the Shares and any additional documents requested by the
Underwriters pursuant to Section 7(m) hereof, will be delivered at the offices
of Ropes & Gray at One International Place, Boston, Massachusetts, 02110 (the
"Closing Location"), and the Shares will be delivered at the Designated Office,
all at such Time of Delivery. A meeting will be held at the Closing Location at
3:00 p.m., New York City time, on the New York Business Day next preceding such
Time of Delivery, at which meeting the final drafts of the documents to be
delivered pursuant to the preceding sentence will be available for review by the
parties hereto. For the purposes of this Section 4, "New York Business Day"
shall mean each Monday, Tuesday, Wednesday, Thursday and Friday which is not a
day on which banking institutions in New York are generally authorized or
obligated by law or executive order to close.


                                      -11-
<PAGE>   12
5.       The Company agrees with each of the Underwriters:

         (1)      To prepare the Prospectus in a form approved by you and to 
file such Prospectus pursuant to Rule 424(b) under the Act not later than the
Commission's close of business on the second business day following the
execution and delivery of this Agreement, or, if applicable, such earlier time
as may be required by Rule 430A(a)(3) under the Act; to make no further
amendment or any supplement to the Registration Statement or Prospectus which
shall be disapproved by you promptly after reasonable notice thereof; to advise
you, promptly after it receives notice thereof, of the time when any amendment
to the Registration Statement has been filed or becomes effective or any
supplement to the Prospectus or any amended Prospectus has been filed and to
furnish you with copies thereof; to advise you, promptly after it receives
notice thereof, of the issuance by the Commission of any stop order or of any
order preventing or suspending the use of any Preliminary Prospectus or
prospectus, of the suspension of the qualification of the Shares for offering or
sale in any jurisdiction, of the initiation or threatening of any proceeding for
any such purpose, or of any request by the Commission for the amending or
supplementing of the Registration Statement or Prospectus or for additional
information; and, in the event of the issuance of any stop order or of any order
preventing or suspending the use of any Preliminary Prospectus or prospectus or
suspending any such qualification, promptly to use its best efforts to obtain
the withdrawal of such order; 

         (1)

         (2)      Promptly from time to time to take such action as you may
reasonably request to qualify the Shares for offering and sale under the
securities laws of such jurisdictions as you may request and to comply with such
laws so as to permit the continuance of sales and dealings therein in such
jurisdictions for as long as may be necessary to complete the distribution of
the Shares, provided that in connection therewith the Company shall not be
required to qualify as a foreign corporation or to file a general consent to
service of process in any jurisdiction;

         (3)      Prior to 10:00 a.m., New York City time on the New York
Business Day next succeeding the date of this Agreement and from time to time,
to furnish the Underwriters with copies of the Prospectus in New York City in
such quantities as you may reasonably request, and, if the delivery of a
prospectus is required at any time prior to the expiration of nine months after
the time of issue of the Prospectus in connection with the offering or sale of
the Shares and if at such time any event shall have occurred as a result of
which the Prospectus as then amended or supplemented would include an untrue
statement of a material fact or omit to state any material fact necessary in
order to make the statements therein, in the light of the circumstances under
which they were made when such Prospectus is delivered, not misleading, or, if
for any other reason it shall be necessary during such period to amend or
supplement the Prospectus in order to comply with the Act, to notify you and
upon your request to prepare and furnish without charge to each Underwriter and
to any dealer in securities as many copies as you may from time to time
reasonably request of an amended Prospectus or a supplement to the Prospectus
which will correct such statement or omission or effect such compliance, and in
case any Underwriter is required to 


                                      -12-
<PAGE>   13
deliver a prospectus in connection with sales of any of the Shares at any time
nine months or more after the time of issue of the Prospectus, upon your request
but at the expense of such Underwriter, to prepare and deliver to such
Underwriter as many copies as you may request of an amended or supplemented
Prospectus complying with Section 10(a)(3) of the Act;

         (4)      To make generally available to its securityholders as soon as
practicable, but in any event not later than eighteen months after the effective
date of the Registration Statement (as defined in Rule 158(c) under the Act), an
earnings statement of the Company and its subsidiaries (which need not be
audited) complying with Section 11(a) of the Act and the rules and regulations
thereunder (including, at the option of the Company, Rule 158);

         (5)      During the period beginning from the date hereof and
continuing to and including the date 90 days after the date of the Prospectus,
not to offer, sell, contract to sell or otherwise dispose of, except as provided
hereunder any securities of the Company that are substantially similar to the
Shares, including but not limited to any securities that are convertible into or
exchangeable for, or that represent the right to receive, Stock or any such
substantially similar securities (other than pursuant to employee or director
stock option, stock purchase or stock incentive plans existing on, or upon the
conversion or exchange of convertible or exchangeable securities outstanding as
of, the date of this Agreement), without your prior written consent;

         (6)      To furnish to its stockholders as soon as practicable after
the end of each fiscal year an annual report (including a balance sheet and
statements of income, stockholders' equity and cash flows of the Company and its
consolidated subsidiaries certified by independent public accountants) and, as
soon as practicable after the end of each of the first three quarters of each
fiscal year (beginning with the fiscal quarter ending after the effective date
of the Registration Statement), consolidated summary financial information of
the Company and its subsidiaries for such quarter in reasonable detail;

         (7)      During a period of five years from the effective date of the
Registration Statement, to furnish to you copies of all reports or other
communications (financial or other) furnished to stockholders, and to deliver to
you (i) as soon as they are available, copies of any reports and financial
statements furnished to or filed with the Commission or any national securities
exchange on which any class of securities of the Company is listed; and (ii)
such additional information concerning the business and financial condition of
the Company as you may from time to time reasonably request (such financial
statements to be on a consolidated basis to the extent the accounts of the
Company and its subsidiaries are consolidated in reports furnished to its
stockholders generally or to the Commission);

         (8)      To use the net proceeds received by it from the sale of the
Shares pursuant to this Agreement in the manner specified in the Prospectus
under the caption "Use of Proceeds";

         (9)      To use its best efforts to list for quotation the Shares on
the National Association of 


                                      -13-
<PAGE>   14
Securities Dealers Automated Quotations National Market System ("NASDAQ");

         (10)     To file with the Commission such information on Form 10-Q as
may be required by Rule 463 under the Act; and

         (11)     If the Company elects to rely upon Rule 462(b), the Company
shall file a Rule 462(b) Registration Statement with the Commission in
compliance with Rule 462(b) by 10:00 P.M., Washington, D.C. time, on the date of
this Agreement, and the Company shall at the time of filing either pay to the
Commission the filing fee for the Rule 462(b) Registration Statement or give
irrevocable instructions for the payments of such fee pursuant to Rule 111(b)
under the Act.

6.       The Company and each of the Selling Stockholders covenant and agree
with one another and with the several Underwriters that (a) the Company will pay
or cause to be paid the following: (i) the fees, disbursements and expenses of
the Company's counsel and accountants in connection with the registration of the
Shares under the Act and all other expenses in connection with the preparation,
printing and filing of the Registration Statement, any Preliminary Prospectus
and the Prospectus and amendments and supplements thereto and the mailing and
delivering of copies thereof to the Underwriters and dealers; (ii) the cost of
printing or producing any Agreement among Underwriters, this Agreement, the Blue
Sky Memorandum, closing documents (including any compilations thereof) and any
other documents in connection with the offering, purchase, sale and delivery of
the Shares; (iii) all expenses in connection with the qualification of the
Shares for offering and sale under state securities laws as provided in Section
5(b) hereof, including the fees and disbursements of counsel for the
Underwriters in connection with such qualification and in connection with the
Blue Sky survey; (iv) all fees and expenses in connection with listing the
Shares on the NASDAQ; (v) the filing fees incident to, and the fees and
disbursements of counsel for the Underwriters in connection with, securing any
required review by the National Association of Securities Dealers, Inc. of the
terms of the sale of the Shares; (vi) the cost of preparing stock certificates;
(vii) the costs and charges of any transfer agent or registrar; and (viii) all
other costs and expenses incident to the performance of its obligations
hereunder which are not otherwise specifically provided for in this Section; and
(b) such Selling Stockholder will pay or cause to be paid all costs and expenses
incident to the performance of such Selling Stockholder's obligations hereunder
which are not otherwise specifically provided for either in this section or in
any other agreement between the Company and such Selling Stockholder, including
(i) any fees and expenses of counsel for such Selling Stockholder, and (ii) all
expenses and taxes incident to the sale and delivery of the Shares to be sold by
such Selling Stockholder to the Underwriters hereunder. It is understood,
however, that the Company shall bear, and the Selling Stockholders shall not be
required to pay or reimburse the Company for, the cost of any other matters not
directly relating to the sale and purchase of the Shares pursuant to this
Agreement, and that, except as provided in this Section, and Sections 8 and 11
hereof, the Underwriters will pay all of their own costs and expenses, including
the fees of their counsel, stock transfer taxes on resale of any of the Shares
by them, and any advertising expenses connected with any offers they may make.


                                      -14-
<PAGE>   15
7.       The obligations of the Underwriters hereunder, as to the Shares to be
delivered at each Time of Delivery, shall be subject, in their discretion, to
the condition that all representations and warranties and other statements of
the Company and of the Selling Stockholders herein are, at and as of such Time
of Delivery, true and correct, the condition that the Company and the Selling
Stockholders shall have performed all of its and their obligations hereunder
theretofore to be performed, and the following additional conditions:

         (1)      The Prospectus shall have been filed with the Commission
pursuant to Rule 424(b) within the applicable time period prescribed for such
filing by the rules and regulations under the Act and in accordance with Section
5(a) hereof; if the Company has elected to rely upon Rule 462(b), the Rule
462(b) Registration Statement shall have become effective by 10:00 p.m.,
Washington, D.C. time, on the date of this Agreement; no stop order suspending
the effectiveness of the Registration Statement or any part thereof shall have
been issued and no proceeding for that purpose shall have been initiated or
threatened by the Commission; and all requests for additional information on the
part of the Commission shall have been complied with to your reasonable
satisfaction;

         (2)      Ropes & Gray, counsel for the Underwriters, shall have 
furnished to you such opinion or opinions, dated such Time of Delivery, as you
may reasonably request, and such counsel shall have received such papers and
information as they may reasonably request to enable them to pass upon such
matters;

         (3)      Bingham Dana, LLP, counsel for the Company, shall have
furnished to you their written opinion, dated such Time of Delivery, in form and
substance satisfactory to you as to such matters as you may reasonably request;

         (4)      Trevor Robinson Solicitors, United Kingdom counsel for the
Company, shall have furnished to you their written opinion, dated the Time of
Delivery, in form and substance satisfactory to you;

         (5)      The respective counsel for each of the Selling Stockholders,
as indicated in Schedule II hereto, each shall have furnished to you their
written opinion with respect to each of the Selling Stockholders for whom they
are acting as counsel, dated the Time of Delivery, in form and substance
satisfactory to you as to such matters as you may reasonably request;

         (6)      On the date of the Prospectus at a time prior to the execution
of this Agreement, at 9:30 a.m., New York City time, on the effective date of
any post-effective amendment to the Registration Statement filed subsequent to
the date of this Agreement and also at each Time of Delivery, Arthur Andersen
LLP shall have furnished to you a letter or letters, dated the respective dates
of delivery thereof, in form and substance satisfactory to you, to the effect
set forth in Annex I hereto;


                                      -15-
<PAGE>   16
         (7)      (i)      Neither the Company nor any of its subsidiaries shall
have sustained since the date of the latest audited financial statements
included in the Prospectus any loss or interference with its business from fire,
explosion, flood or other calamity, whether or not covered by insurance, or from
any labor dispute or court or governmental action, order or decree, otherwise
than as set forth or contemplated in the Prospectus, and (ii) since the
respective dates as of which information is given in the Prospectus there shall
not have been any change in the capital stock or long-term debt of the Company
or any of its subsidiaries or any change, or any development involving a
prospective change, in or affecting the general affairs, management, financial
position, stockholders' equity or results of operations of the Company and its
subsidiaries, otherwise than as set forth or contemplated in the Prospectus, the
effect of which, in any such case described in Clause (i) or (ii), is in the
judgment of the Representatives so material and adverse as to make it
impracticable or inadvisable to proceed with the public offering or the delivery
of the Shares being delivered at such Time of Delivery on the terms and in the
manner contemplated in the Prospectus;

         (8)      On or after the date hereof (i) no downgrading shall have
occurred in the rating accorded the Company's debt securities by any "nationally
recognized statistical rating organization", as that term is defined by the
Commission for purposes of Rule 436(g)(2) under the Act, and (ii) no such
organization shall have publicly announced that it has under surveillance or
review, with possible negative implications, its rating of any of the Company's
debt securities;

         (9)      On or after the date hereof there shall not have occurred any
of the following: (i) a suspension or material limitation in trading in
securities generally on the New York Stock Exchange or on NASDAQ; (ii) a
suspension or material limitation in trading in the Company's securities on
NASDAQ; (iii) a general moratorium on commercial banking activities declared by
Federal, New York State or Massachusetts State authorities; or (iv) the outbreak
or escalation of hostilities involving the United States or the declaration by
the United States of a national emergency or war, if the effect of any such
event specified in this Clause (iv) in the judgment of the Representatives makes
it impracticable or inadvisable to proceed with the public offering or the
delivery of the Shares being delivered at such Time of Delivery on the terms and
in the manner contemplated in the Prospectus;

         (10)     The Shares to be sold at such Time of Delivery shall have been
duly listed for quotation on NASDAQ;

         (11)     The Company has obtained and delivered to the Underwriters
executed copies of an agreement from holders of more than 95% of the outstanding
shares of the Company's Capital Stock, substantially to the effect set forth in
Subsection 5(e) hereof in form and substance satisfactory to you;

         (12)     The Company shall have complied with the provisions of Section
5(c) hereof with respect to the furnishing of prospectuses on the New York
Business Day next succeeding the date of this Agreement; and


                                      -16-
<PAGE>   17
         (13)     The Company and the Selling Stockholders shall have furnished
or caused to be furnished to you at such Time of Delivery certificates of
officers of the Company and the Selling Stockholders, respectively satisfactory
to you as to the accuracy of the representations and warranties of the Company
and the Selling Stockholders, respectively herein at and as of such Time of
Delivery, as to the performance by the Company and the Selling Stockholders of
all of their respective obligations hereunder to be performed at or prior to
such Time of Delivery and as to such other matters as you may reasonably
request.

8.       (a)      The Company agrees:

         (1)      to indemnify and hold harmless each Underwriter and each
                  person, if any, who controls any Underwriter within the
                  meaning of the Act, against any losses, claims, damages or
                  liabilities to which such Underwriter or any such controlling
                  person may become subject under the Act or otherwise, insofar
                  as such losses, claims, damages or liabilities (or actions or
                  proceedings in respect thereof) arise out of or are based upon
                  (1) any untrue statement or alleged untrue statement of any
                  material fact contained in the Registration Statement, any
                  Preliminary Prospectus, the Prospectus or any amendment or
                  supplement thereto, (2) the omission or alleged omission to
                  state therein a material fact required to be stated therein or
                  necessary to make the statements therein not misleading any
                  act or failure to act, or (3) any alleged act or failure to
                  act by any Underwriter in connection with, or relating in any
                  manner to, the Shares or the offering contemplated hereby, and
                  which is included as part of or referred to in any loss,
                  claim, damage, liability or action arising out of or based
                  upon matters covered by clause (1) or (2) above (provided,
                  that the Company shall not be liable under this clause (3) to
                  the extent that it is determined in a final judgment by a
                  court of competent jurisdiction that such loss, claim, damage,
                  liability or action resulted directly from any such acts or
                  failures to act undertaken or omitted to be taken by such
                  Underwriter through its gross negligence or willful
                  misconduct); provided, however, that the Company will not be
                  liable in any such case to the extent that any such loss,
                  claim, damage or liability arises out of or is based upon an
                  untrue statement or alleged untrue statement, or omission or
                  alleged omission made in the Registration Statement, any
                  Preliminary Prospectus, the Prospectus, or such amendment or
                  supplement, in reliance upon and in conformity with written
                  information furnished to the Company by or through the
                  Representatives specifically for use in the preparation
                  thereof. This indemnity obligation will be in addition to any
                  liability which the Company may otherwise have.

         (2)      to reimburse each Underwriter and each such controlling person
                  upon demand for any legal or other out-of-pocket expenses
                  reasonably incurred by such Underwriter or such controlling
                  person in connection with investigating or defending any such


                                      -17-
<PAGE>   18
                  loss, claim, damage or liability, action or proceeding or in
                  responding to a subpoena or governmental inquiry related to
                  the offering of the Shares, whether or not such Underwriter or
                  controlling person is a party to any action or proceeding. In
                  the event that it is finally judicially determined that the
                  Underwriters were not entitled to receive payments for legal
                  and other expenses pursuant to this subparagraph, the
                  Underwriters will promptly return all sums that had been
                  advanced pursuant hereto.

         (b)      The Selling Stockholders agree to indemnify the Underwriters
and each person, if any, who controls any Underwriter within the meaning of the
Act, against any losses, claims, damages or liabilities to which such
Underwriter or controlling person may become subject under the Act or otherwise
to the same extent as indemnity is provided by the Company pursuant to Section
8(a) above; provided that with respect to the indemnity of each Selling
Stockholder, other than the Principal Selling Stockholders (the Principal
Selling Stockholders being defined as the Selling Stockholders marked with an
"*" on Schedule II), the indemnity shall, in each case, apply only to the extent
that any such loss, claim, damage or liability arises out of or is based upon an
untrue statement or alleged untrue statement, or omission or alleged omission
made in the Registration Statement, any Preliminary Prospectus or the Prospectus
in reliance upon and in conformity with written information furnished by such
Selling Stockholder specifically for use in the preparation thereof. In no
event, however, shall the liability of any Selling Stockholder for
indemnification under this Section 8(b) exceed the proceeds, net of underwriting
discounts and commissions, received by such Selling Stockholder in the Offering.
This indemnity obligation will be in addition to any liability which the Selling
Stockholders may otherwise have, but in no event will any Selling Stockholder's
total liability under this Agreement exceed the proceeds, net of underwriting
discounts and commissions, received by such Selling Stockholder in the Offering.

         (c)      Each Underwriter severally and not jointly will indemnify and
hold harmless the Company, each of its directors, each of its officers who have
signed the Registration Statement, the Selling Stockholders, and each person, if
any, who controls the Company or the Selling Stockholders within the meaning of
the Act, against any losses, claims, damages or liabilities to which the Company
or any such director, officer, Selling Stockholder or controlling person may
become subject under the Act or otherwise, insofar as such losses, claims,
damages or liabilities (or actions or proceedings in respect thereof) arise out
of or are based upon (1) any untrue statement or alleged untrue statement of any
material fact contained in the Registration Statement, any Preliminary
Prospectus, the Prospectus or any amendment or supplement thereto, or (2) the
omission or the alleged omission to state therein a material fact required to be
stated therein or necessary to make the statements therein not misleading in the
light of the circumstances under which they were made; and will reimburse any
legal or other expenses reasonably incurred by the Company or any such director,
officer, Selling Stockholder or controlling person in connection with
investigating or defending any such loss, claim, damage, liability, action or
proceeding; provided, however, that each Underwriter will be liable in each case
to the extent, but only to the extent, that such untrue statement or alleged
untrue statement or omission or alleged omission has been made in the
Registration Statement, any Preliminary Prospectus, the Prospectus or such
amendment or 


                                      -18-
<PAGE>   19
supplement, in reliance upon and in conformity with written information
furnished to the Company by or through the Representatives specifically for use
in the preparation thereof. This indemnity agreement will be in addition to any
liability which such Underwriter may otherwise have.

         (d)      In case any proceeding (including any governmental
investigation) shall be instituted involving any person in respect of which
indemnity may be sought pursuant to this Section 8, such person (the
"indemnified party") shall promptly notify the person against whom such
indemnity may be sought (the "indemnifying party") in writing. No
indemnification provided for in Section 8(a), (b) or (c) shall be available to
any party who shall fail to give notice as provided in this Section 8(d) if the
party to whom notice was not given was unaware of the proceeding to which such
notice would have related and was materially prejudiced by the failure to give
such notice, but the failure to give such notice shall not relieve the
indemnifying party or parties from any liability which it or they may have to
the indemnified party for contribution or otherwise than on account of the
provisions of Section 8(a), (b) or (c). In case any such proceeding shall be
brought against any indemnified party and it shall notify the indemnifying party
of the commencement thereof, the indemnifying party shall be entitled to
participate therein and, to the extent that it shall wish, jointly with any
other indemnifying party similarly notified, to assume the defense thereof, with
counsel satisfactory to such indemnified party and shall pay as incurred the
fees and disbursements of such counsel related to such proceeding. In any such
proceeding, any indemnified party shall have the right to retain its own counsel
at its own expense. Notwithstanding the foregoing, the indemnifying party shall
pay as incurred (or within 30 days of presentation) the fees and expenses of the
counsel retained by the indemnified party in the event (1) the indemnifying
party and the indemnified party shall have mutually agreed to the retention of
such counsel, (2) the named parties to any such proceeding (including any
impleaded parties) include both the indemnifying party and the indemnified party
and representation of both parties by the same counsel would be inappropriate
due to actual or potential differing interests between them or (3) the
indemnifying party shall have failed to assume the defense and employ counsel
acceptable to the indemnified party within a reasonable period of time after
notice of commencement of the action. It is understood that the indemnifying
party shall not, in connection with any proceeding or related proceedings in the
same jurisdiction, be liable for the reasonable fees and expenses of more than
one separate firm for all such indemnified parties. Such firm shall be
designated in writing by you in the case of parties indemnified pursuant to
Section 8(a) or (b) and by the Company and the Selling Stockholders in the case
of parties indemnified pursuant to Section 8(c). The indemnifying party shall
not be liable for any settlement of any proceeding effected without its written
consent but if settled with such consent or if there be a final judgment for the
plaintiff, the indemnifying party agrees to indemnify the indemnified party from
and against any loss or liability by reason of such settlement or judgment. In
addition, the indemnifying party will not, without the prior written consent of
the indemnified party, settle or compromise or consent to the entry of any
judgment in any pending or threatened claim, action or proceeding of which
indemnification may be sought hereunder (whether or not any indemnified party is
an actual or potential party to such claim, action or proceeding) unless such
settlement, compromise or consent includes an unconditional release of each
indemnified party from all liability arising out of such 


                                      -19-
<PAGE>   20
claim, action or proceeding.

         (e)      If the indemnification provided for in this Section 8 is
unavailable to or insufficient to hold harmless an indemnified party under
Section 8(a), (b) or (c) above in respect of any losses, claims, damages or
liabilities (or actions or proceedings in respect thereof) referred to therein,
then each indemnifying party shall contribute to the amount paid or payable by
such indemnified party as a result of such losses, claims, damages or
liabilities (or actions or proceedings in respect thereof) in such proportion as
is appropriate to reflect the relative benefits received by the Company and the
Selling Stockholders on the one hand and the Underwriters on the other from the
offering of the Shares. If, however, the allocation provided by the immediately
preceding sentence is not permitted by applicable law then each indemnifying
party shall contribute to such amount paid or payable by such indemnified party
in such proportion as is appropriate to reflect not only such relative benefits
but also the relative fault of the Company and the Selling Stockholders on the
one hand and the Underwriters on the other in connection with the statements or
omissions which resulted in such losses, claims, damages or liabilities, (or
actions or proceedings in respect thereof), as well as any other relevant
equitable considerations. The relative benefits received by the Company and the
Selling Stockholders on the one hand and the Underwriters on the other shall be
deemed to be in the same proportion as the total net proceeds from the offering
(before deducting expenses) received by the Company and the Selling Stockholders
bear to the total underwriting discounts and commissions received by the
Underwriters, in each case as set forth in the table on the cover page of the
Prospectus. The relative fault shall be determined by reference to, among other
things, whether the untrue or alleged untrue statement of a material fact or the
omission or alleged omission to state a material fact relates to information
supplied by the Company or the Selling Stockholders on the one hand or the
Underwriters on the other and the parties' relative intent, knowledge, access to
information and opportunity to correct or prevent such statement or omission.

         The Company, the Selling Stockholders and the Underwriters agree that
it would not be just and equitable if contributions pursuant to this Section
8(e) were determined by pro rata allocation (even if the Underwriters were
treated as one entity for such purpose) or by any other method of allocation
which does not take account of the equitable considerations referred to above in
this Section 8(e). The amount paid or payable by an indemnified party as a
result of the losses, claims, damages or liabilities (or actions or proceedings
in respect thereof) referred to above in this Section 8(e) shall be deemed to
include any legal or other expenses reasonably incurred by such indemnified
party in connection with investigating or defending any such action or claim.
Notwithstanding the provisions of this subsection (e), (1) no Underwriter shall
be required to contribute any amount in excess of the underwriting discounts and
commissions applicable to the Shares purchased by such Underwriter, and (2) no
person guilty of fraudulent misrepresentation (within the meaning of Section
11(f) of the Act) shall be entitled to contribution from any person who was not
guilty of such fraudulent misrepresentation, and (3) no Selling Stockholder
shall be required to contribute any amount in excess of the net proceeds
received by such Selling Stockholder from the Underwriters in the offering. The
Underwriters' obligations in this Section 


                                      -20-
<PAGE>   21
8(e) to contribute are several in proportion to their respective underwriting
obligations and not joint.

         (f)      In any proceeding relating to the Registration Statement, any
Preliminary Prospectus, the Prospectus or any supplement or amendment thereto,
each party against whom contribution may be sought under this Section 8 hereby
consents to the jurisdiction of any court having jurisdiction over any other
contributing party, agrees that process issuing from such court may be served
upon him or it by any other contributing party and consents to the service of
such process and agrees that any other contributing party may join him or it as
an additional defendant in any such proceeding in which such other contributing
party is a party.

         (g)      Any losses, claims, damages, liabilities or expenses for which
an indemnified party is entitled to indemnification or contribution under this
Section 8 shall be paid by the indemnifying party to the indemnified party as
such losses, claims, damages, liabilities or expenses are incurred. The
indemnity and contribution agreements contained in this Section 8 and the
representations and warranties of the Company set forth in this Agreement shall
remain operative and in full force and effect, regardless of (1) any
investigation made by or on behalf of any Underwriter or any person controlling
any Underwriter, the Company, its directors or officers or any persons
controlling the Company, (2) acceptance of any Shares and payment therefor
hereunder, and (3) any termination of this Agreement. A successor to any
Underwriter, any Selling Stockholder or to the Company, or any of their
respective directors or officers, or controlling persons, shall be entitled to
the benefits of the indemnity, contribution and reimbursement agreements
contained in this Section 8.

9.       (a)      This Agreement may be terminated by you by notice to the
Company and the Selling Stockholders at any time prior to the Closing Date if
any of the following has occurred: (i) since the respective dates as of which
information is given in the Registration Statement and the Prospectus, any
material adverse change or any development involving a prospective material
adverse change in or affecting the condition, financial or otherwise, of the
Company and its subsidiaries taken as a whole or the earnings, business,
management, properties, assets, rights, operations, condition (financial or
otherwise) or prospects of the Company and its subsidiaries taken as a whole,
whether or not arising in the ordinary course of business, (ii) any outbreak or
escalation of hostilities or declaration of war or national emergency or other
national or international calamity or crisis or change in economic or political
conditions if the effect of such outbreak, escalation, declaration, emergency,
calamity, crisis or change on the financial markets of the United States would,
in your reasonable judgment, make it impracticable or inadvisable to market the
Shares or to enforce contracts for the sale of the Shares, or (iii) suspension
of trading in securities generally on the New York Stock Exchange or the
American Stock Exchange or limitation on prices (other than limitations on hours
or numbers of days of trading) for securities on either such Exchange, (iv) the
enactment, publication, decree or other promulgation of any statute, regulation,
rule or order of any court or other governmental authority which in your opinion
materially and adversely affects or may materially and adversely affect the
business or operations of the Company, (v) declaration of a banking moratorium
by United States or New York State authorities, (vi) any downgrading, or
placement on any watch list for possible downgrading, in the 


                                      -21-
<PAGE>   22
rating of the Company's debt securities by any "nationally recognized
statistical rating organization" (as defined for purposes of Rule 436(g) under
the Exchange Act); (vii) the suspension of trading of the Company's common stock
by the NASDAQ Stock Market, the Commission, or any other governmental authority
or, (viii) the taking of any action by any governmental body or agency in
respect of its monetary or fiscal affairs which in your reasonable opinion has a
material adverse effect on the securities markets in the United States; or

(b)      as provided in Sections 7 and 10 of this Agreement.

10.      If any Underwriter shall fail to purchase and pay for the portion of
the Shares which such Underwriter has agreed to purchase and pay for at a Time
of Delivery (otherwise than by reason of any default on the part of the Company
or a Selling Stockholder), you, as Representatives of the Underwriters, shall
use your reasonable efforts to procure within 36 hours thereafter one or more of
the other Underwriters, or any others, to purchase from the Company and the
Selling Stockholders such amounts as may be agreed upon and upon the terms set
forth herein, the Shares which the defaulting Underwriter or Underwriters failed
to purchase at such Time of Delivery. If during such 36 hours you, as such
Representatives, shall not have procured such other Underwriters, or any others,
to purchase the Shares agreed to be purchased by the defaulting Underwriter or
Underwriters at such Time of Delivery, then (a) if the aggregate number of
shares with respect to which such default shall occur does not exceed 10% of the
Shares covered hereby, the other Underwriters shall be obligated, severally, in
proportion to the respective numbers of Shares which they are obligated to
purchase hereunder at such Time of Delivery, to purchase the Shares which such
defaulting Underwriter or Underwriters failed to purchase at such Time of
Delivery, or (b) if the aggregate number of Shares with respect to which such
default shall occur exceeds 10% of the Shares covered hereby, the Company and
the Selling Stockholders or you as the Representatives of the Underwriters will
have the right, by written notice given within the next 36-hour period to the
parties to this Agreement, to terminate this Agreement without liability on the
part of the non-defaulting Underwriters or of the Company or of the Selling
Stockholders except to the extent provided in Section 8 hereof. In the event of
a default by any Underwriter or Underwriters, as set forth in this Section 10,
the Time of Delivery may be postponed for such period, not exceeding seven days,
as you, as Representatives, may determine in order that the required changes in
the Registration Statement or in the Prospectus or in any other documents or
arrangements may be effected. The term "Underwriter" includes any person
substituted for a defaulting Underwriter. Any action taken under this Section 10
shall not relieve any defaulting Underwriter from liability in respect of any
default of such Underwriter under this Agreement.

11.      The respective indemnities, agreements, representations, warranties and
other statements of the Company, the Selling Stockholders and the several
Underwriters, as set forth in this Agreement or made by or on behalf of them,
respectively, pursuant to this Agreement, shall remain in full force and effect,
regardless of any investigation (or any statement as to the results thereof)
made by or on behalf of any Underwriter or any controlling person of any
Underwriter, or the Company, or any of the Selling Stockholders or any officer
or director or controlling person of the Company, and shall 


                                      -22-
<PAGE>   23
survive delivery of and payment for the Shares.

12.      If this Agreement shall be terminated pursuant to Section 10 hereof,
neither the Company nor the Selling Stockholders shall then be under any
liability to any Underwriter except as provided in Sections 6 and 8 hereof; but,
if for any other reason, any Shares are not delivered by or on behalf of the
Company and the Selling Stockholders as provided herein, the Company and each of
the Selling Stockholders pro rata (based on the number of Shares to be sold by
the Company and such Selling Stockholder hereunder) will reimburse the
Underwriters through you for all out-of-pocket expenses approved in writing by
you, including fees and disbursements of counsel, reasonably incurred by the
Underwriters in making preparations for the purchase, sale and delivery of the
Shares not so delivered, but the Company and the Selling Stockholders shall then
be under no further liability to any Underwriter except as provided in Sections
6 and 8 hereof.

13.      In all dealings hereunder, you shall act on behalf of each of the
Underwriters, and the parties hereto shall be entitled to act and rely upon any
statement, request, notice or agreement on behalf of any Underwriter made or
given by you jointly or by BT Alex. Brown Incorporated on behalf of you as the
representatives; and in all dealings with any Selling Stockholder hereunder, you
and the Company shall be entitled to act and rely upon any statement, request,
notice or agreement on behalf of such Selling Stockholder made or given by any
or all of the Attorneys-in-Fact for such Selling Stockholder.

         All statements, requests, notices and agreements hereunder shall be in
writing, and if to the Underwriters shall be delivered or sent by mail, telex or
facsimile transmission to you as the representatives in care of BT Alex. Brown
Incorporated, 101 Federal Street, 15th Floor, Boston, MA 02110, Attention: Greg
Burkus; copy to BT Alex. Brown Incorporated, One Bankers Trust Plaza, 130
Liberty Street, New York, New York 10006, Attention: General Counsel; and if to
any Selling Stockholder shall be delivered or sent by mail, telex or facsimile
transmission to counsel for such Selling Stockholder at its address set forth in
Schedule II hereto; and if to the Company shall be delivered or sent by mail,
telex or facsimile transmission to the address of the Company set forth in the
Registration Statement, Attention: Secretary; provided, however, that any notice
to an Underwriter pursuant to Section 8(e) hereof shall be delivered or sent by
mail, telex or facsimile transmission to such Underwriter at its address set
forth in its Underwriters' Questionnaire, or telex constituting such
Questionnaire, which address will be supplied to the Company or the Selling
Stockholders by you upon request. Any such statements, requests, notices or
agreements shall take effect upon receipt thereof.

14.      This Agreement shall be binding upon, and inure solely to the benefit
of, the Underwriters, the Company and the Selling Stockholders and, to the
extent provided in Sections 8 and 11 hereof, the officers and directors of the
Company and each person who controls the Company, any Selling Stockholder or any
Underwriter, and their respective heirs, executors, administrators, successors
and assigns, and no other person shall acquire or have any right under or by
virtue of this Agreement. No purchaser of any of the Shares from any Underwriter
shall be deemed a successor 


                                      -23-
<PAGE>   24
or assign by reason merely of such purchase.

15.      Time shall be of the essence of this Agreement. As used herein, the
term "business day" shall mean any day when the Commission's office in
Washington, D.C. is open for business.

16.      This Agreement shall be governed by and construed in accordance with
the laws of the State of Maryland.

17.      This Agreement may be executed by any one or more of the parties hereto
in any number of counterparts, each of which shall be deemed to be an original,
but all such counterparts shall together constitute one and the same instrument.

         If the foregoing is in accordance with your understanding, please sign
and return to us eight counterparts hereof, and upon the acceptance hereof by
you, on behalf of each of the Underwriters, this letter and such acceptance
hereof shall constitute a binding agreement among each of the Underwriters, the
Company and each of the Selling Stockholders. It is understood that your
acceptance of this letter on behalf of each of the Underwriters is pursuant to
the authority set forth in a form of Agreement among Underwriters, the form of
which shall be submitted to the Company and the Selling Stockholders for
examination upon request, but without warranty on your part as to the authority
of the signers thereof.


                                      -24-
<PAGE>   25
         Any person executing and delivering this Agreement as Attorney-in-Fact
for a Selling Stockholder represents by so doing that he has been duly appointed
as Attorney-in-Fact by such Selling Stockholder pursuant to a validly existing
and binding Power-of-Attorney which authorizes such Attorney-in-Fact to take
such action.

                                  Very truly yours,

                                  Exchange Applications, Inc.


                                  By:
                                      -------------------------------------
                                      Name:  Andrew J. Frawley
                                      Title: Chief Executive Officer

                                  The Selling Stockholders named on Schedule
                                  II to this Agreement


                                  By:
                                      --------------------------------------
                                      Name:  Andrew J. Frawley
                                      As Attorney-in-Fact acting on behalf of
                                      each of the Selling Stockholders named in
                                      Schedule II to this Agreement

Accepted as of the date hereof:
BT Alex. Brown Incorporated
Hambrecht & Quist LLC
Adams, Harkness & Hill, Inc.
SoundView Technology Group, Inc.

By: BT Alex. Brown Incorporated


By:
   -----------------------------
   Name:  Greg Burkus
   Title: Authorized Officer

     On behalf of each of the Underwriters


                                      -25-
<PAGE>   26
                                   SCHEDULE I

<TABLE>
<CAPTION>
                                                            NUMBER OF OPTIONAL
                                                               SHARES TO BE
                                       TOTAL NUMBER            PURCHASED IF
                                            OF                MAXIMUM OPTION
                                        FIRM SHARES              EXERCISED
                                      TO BE PURCHASED         BY UNDERWRITER
                                      ---------------         --------------
<S>                                   <C>                   <C>    
BT Alex. Brown                           1,200,000                180,000
Hambrecht & Quist                          750,000                112,500
Adams, Harkness & Hill, Inc.               525,000                 78,750
SoundView Technology Group, Inc.           525,000                 78,750
                                         ---------                 -------
              Total                      3,000,000                 450,000
</TABLE>


                                      -26-

<PAGE>   27
                                   SCHEDULE II



<TABLE>
<CAPTION>
                                                                                                 NUMBER OF OPTIONAL SHARES TO
                                                                                                  BE SOLD IF MAXIMUM OPTION
                                                               TOTAL NUMBER OF FIRM SHARES TO             EXERCISED
NAME                                                                      BE SOLD
<S>                                                            <C>                               <C>   
The Company                                                               1,000,000   

The Selling Stockholders:

Cyrk, Inc. (a)                                                               55,955                          11,386

Insight Venture Partners I, LP (b)                                          453,050                          91,781

Insight Venture Partners II, LP (b)                                         195,144                          39,531

Insight Capital Partners (Cayman) II, LP (b)                                 22,932                           4,645

Grant & Partners Limited Partnership (c)                                    214,494                          43,647

Michael J. Feldman (d)                                                      122,378                          24,903

Wexford Insight LLC (e)                                                     662,068                         134,111

Andrew J. Frawley *(f)                                                      151,101                          55,166

David G. McFarlane*(f)                                                       30,294                          11,059

Michael D. McGonagle*(f)                                                     18,323                           6,689

Patrick A. McHugh*(f)                                                        13,500                           4,928

John G. O'Brien*(f)                                                           6,338                           2,314

F. Daniel Haley*(f)                                                           1,000                             342

Stewart I. J. Vassie*(f)                                                      4,331                           1,581

N. Wayne Townsend*(f)                                                        11,044                           4,032

D. Albright(f)                                                                1,754                             640

S. Marshall(f)                                                                7,913                           2,889

K. Fisher(f)                                                                      9                               3

S. North(f)                                                                     750                             274

J. Petronio(f)                                                                7,744                           2,827

J. Bartel(f)                                                                    863                             315

I. Sandoval(f)                                                                   28                              10

R. Rieger(f)                                                                     47                              17

T. Grey(f)                                                                      141                              51

J. McClure(f)                                                                 2,231                             815

D. Walch(f)                                                                     375                             137

K. Gillespie(f)                                                                 234                              86
</TABLE>


                                      -27-
<PAGE>   28
<TABLE>
<S>                                                                       <C>                               <C>
J. Spinney(f)                                                                    47                              17

K. Bauer(f)                                                                     113                              41

M. Srinivasa(f)                                                               2,227                             813

T. O'Connell(f)                                                               1,997                             729

G. Gumley(f)                                                                    750                             274

R. Andrews(f)                                                                 7,969                           2,909

M. Boucher(f)                                                                 2,003                             731

D. Rebello(f)                                                                   853                             311


                                                                          =========                         =======

       Total                                                              3,000,000                         450,000
</TABLE>

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

*     Denotes a Principal Selling Stockholder (see Section 8(b)).

(a)      This Selling Stockholder is represented by Choate, Hall & Stewart,
         Exchange Place, 53 State Street, Boston, MA 02109-2891, Attention:
         Cameron Read and has appointed Andrew J. Frawley and John G. O'Brien,
         and each of them, as the Attorneys-in-Fact for such Selling
         Stockholder.

(b)      This Selling Stockholder is represented by O'Sullivan Graev & Karabell,
         LLP, 30 Rockefeller Plaza, New York, NY 10112, Attention: Ilan S.
         Nissan and has appointed Andrew J. Frawley and John G. O'Brien, and
         each of them, as the Attorneys-in-Fact for such Selling Stockholder.

(c)      This Selling Stockholder is represented by McDermott, Will & Emery, 28
         State Street, Boston, MA 02109, Attn: Arthur Anderson and has appointed
         Andrew J. Frawley and John G. O'Brien, and each of them, as the
         Attorneys-in-Fact for such Selling Stockholder.

(d)      This Selling Stockholder is represented by Edwards & Angell, LLP, 101
         Federal Street, Boston, MA 02110-1800, Attention: Leonard Q. Slap and
         has appointed Andrew J. Frawley and John G. O'Brien, and each of them,
         as the Attorneys-in-Fact for such Selling Stockholder.

(e)      This Selling Stockholder is represented by O'Sullivan Graev & Karabell,
         LLP, 30 Rockefeller Plaza, New York, NY 10112, Attention: Ilan S.
         Nissan and has appointed Andrew J. Frawley and John G. O'Brien, and
         each of them, as the Attorneys-in-Fact for such Selling Stockholder.

(f)      This Selling Stockholder is represented by Bingham Dana, LLP, 150
         Federal Street, Boston, MA 02110-1726, Attention: Neil W. Townsend and
         has appointed Andrew J. Frawley and John G. O'Brien, and each of them,
         as the Attorneys-in-Fact for such Selling Stockholder.

(g)      This Selling Stockholder is represented by Bingham Dana, LLP, 150
         Federal Street, Boston, MA 02110-1726, Attention: Neil W. Townsend and
         has appointed Andrew J. Frawley and John G. O'Brien, and each of them,
         as the Attorneys-in-Fact for such Selling Stockholder.

(h)      This Selling Stockholder is represented by Bingham Dana, LLP, 150
         Federal Street, Boston, MA 02110-1726, Attention: Neil W. Townsend and
         has appointed Andrew J. Frawley and John G. O'Brien, and each of them,
         as the Attorneys-in-Fact for such Selling Stockholder.

(i)      This Selling Stockholder is represented by Bingham Dana, LLP, 150
         Federal Street, Boston, MA 02110-1726, Attention: Neil W. Townsend and
         has appointed Andrew J. Frawley and John G. O'Brien, and each of them,
         as the Attorneys-in-Fact for such Selling Stockholder.

(j)      This Selling Stockholder is represented by Bingham Dana, LLP, 150
         Federal Street, Boston, MA 02110-1726, Attention: Neil W. Townsend and
         has appointed Andrew J. Frawley and John G. O'Brien, and each of them,
         as the Attorneys-in-Fact for such Selling Stockholder.


                                      -28-
<PAGE>   29
                                                                         ANNEX I



                          DESCRIPTION OF COMFORT LETTER

         Pursuant to Section 7(d) of the Underwriting Agreement, the accountants
shall furnish letters to the Underwriters to the effect that:

         (i) They are independent certified public accountants with respect to
         the Company and its subsidiaries within the meaning of the Act and the
         applicable published rules and regulations thereunder;

         (ii) In their opinion, the financial statements and any supplementary
         financial information and schedules (and, if applicable, financial
         forecasts and/or pro forma financial information) examined by them and
         included in the Prospectus or the Registration Statement comply as to
         form in all material respects with the applicable accounting
         requirements of the Act and the related published rules and regulations
         thereunder; and, if applicable, they have made a review in accordance
         with standards established by the American Institute of Certified
         Public Accountants of the unaudited consolidated interim financial
         statements, selected financial data, pro forma financial information,
         financial forecasts and/or condensed financial statements derived from
         audited financial statements of the Company for the periods specified
         in such letter, as indicated in their reports thereon, copies of which
         have been furnished to the representatives of the Underwriters (the
         "Representatives") and are attached hereto;

         (iii) They have made a review in accordance with standards established
         by the American Institute of Certified Public Accountants of the
         unaudited condensed consolidated statements of income, consolidated
         balance sheets and consolidated statements of cash flows included in
         the Prospectus as indicated in their reports thereon copies of which
         are attached hereto and on the basis of specified procedures including
         inquiries of officials of the Company who have responsibility for
         financial and accounting matters regarding whether the unaudited
         condensed consolidated financial statements referred to in paragraph
         (vi)(A)(i) below comply as to form in all material respects with the
         applicable accounting requirements of the Act and the related published
         rules and regulations, nothing came to their attention that caused them
         to believe that the unaudited condensed consolidated financial
         statements do not comply as to form in all material respects with the
         applicable accounting requirements of the Act and the related published
         rules and regulations;

         (iv) The unaudited selected financial information with respect to the
         consolidated results of operations and financial position of the
         Company for the five most recent fiscal years included in the
         Prospectus agrees with the corresponding amounts (after restatements
         where applicable) in the audited consolidated financial statements for
         such five fiscal years which were included or incorporated by reference
         in the Company's Annual Reports on Form 10-K for such fiscal years;

         (v) They have compared the information in the Prospectus under selected
         captions with the disclosure requirements of Regulation S-K and on the
         basis of limited procedures specified in such letter nothing came to
         their attention as a result of the foregoing procedures that caused
         them to believe that this information does not conform in all material
         respects with the disclosure requirements of Items 301, 302, 402 and
         503(d), respectively, of Regulation S-K;

         (vi) On the basis of limited procedures, not constituting an
         examination in accordance with 


                                      -29-
<PAGE>   30
         generally accepted auditing standards, consisting of a reading of the
         unaudited financial statements and other information referred to below,
         a reading of the latest available interim financial statements of the
         Company and its subsidiaries, inspection of the minute books of the
         Company and its subsidiaries since the date of the latest audited
         financial statements included in the Prospectus, inquiries of officials
         of the Company and its subsidiaries responsible for financial and
         accounting matters and such other inquiries and procedures as may be
         specified in such letter, nothing came to their attention that caused
         them to believe that:

                  (A) (i) the unaudited consolidated statements of income,
                  consolidated balance sheets and consolidated statements of
                  cash flows included in the Prospectus do not comply as to form
                  in all material respects with the applicable accounting
                  requirements of the Act and the related published rules and
                  regulations, or (ii) any material modifications should be made
                  to the unaudited condensed consolidated statements of income,
                  consolidated balance sheets and consolidated statements of
                  cash flows included in the Prospectus for them to be in
                  conformity with generally accepted accounting principles;

                  (B) any other unaudited income statement data and balance
                  sheet items included in the Prospectus do not agree with the
                  corresponding items in the unaudited consolidated financial
                  statements from which such data and items were derived, and
                  any such unaudited data and items were not determined on a
                  basis substantially consistent with the basis for the
                  corresponding amounts in the audited consolidated financial
                  statements included in the Prospectus;

                  (C) the unaudited financial statements which were not included
                  in the Prospectus but from which were derived any unaudited
                  condensed financial statements referred to in Clause (A) and
                  any unaudited income statement data and balance sheet items
                  included in the Prospectus and referred to in Clause (B) were
                  not determined on a basis substantially consistent with the
                  basis for the audited consolidated financial statements
                  included in the Prospectus;

                  (D) any unaudited pro forma consolidated condensed financial
                  statements included in the Prospectus do not comply as to form
                  in all material respects with the applicable accounting
                  requirements of the Act and the published rules and
                  regulations thereunder or the pro forma adjustments have not
                  been properly applied to the historical amounts in the
                  compilation of those statements;

                  (E) as of a specified date not more than five days prior to
                  the date of such letter, there have been any changes in the
                  consolidated capital stock (other than issuances of capital
                  stock upon exercise of options and stock appreciation rights,
                  upon earn-outs of performance shares and upon conversions of
                  convertible securities, in each case which were outstanding on
                  the date of the latest financial statements included in the
                  Prospectus) or any increase in the consolidated long-term debt
                  of the Company and its subsidiaries, or any decreases in
                  consolidated net current assets or stockholders= equity or
                  other items specified by the Representatives, or any increases
                  in any items specified by the Representatives, in each case as
                  compared with amounts shown in the latest balance sheet
                  included in the Prospectus, except in each case for changes,
                  increases or decreases which the Prospectus discloses have
                  occurred or may occur or which are described in such letter;
                  and

                  (F) for the period from the date of the latest financial
                  statements included in the Prospectus to the specified date
                  referred to in Clause (E) there were any decreases in
                  consolidated net revenues or operating profit or the total or
                  per share amounts of consolidated


                                      -30-
<PAGE>   31
                  net income or other items specified by the Representatives, or
                  any increases in any items specified by the Representatives,
                  in each case as compared with the comparable period of the
                  preceding year and with any other period of corresponding
                  length specified by the Representatives, except in each case
                  for decreases or increases which the Prospectus discloses have
                  occurred or may occur or which are described in such letter;
                  and

         (vii) In addition to the examination referred to in their report(s)
         included in the Prospectus and the limited procedures, inspection of
         minute books, inquiries and other procedures referred to in paragraphs
         (iii) and (vi) above, they have carried out certain specified
         procedures, not constituting an examination in accordance with
         generally accepted auditing standards, with respect to certain amounts,
         percentages and financial information specified by the Representatives,
         which are derived from the general accounting records of the Company
         and its subsidiaries, which appear in the Prospectus, or in Part II of,
         or in exhibits and schedules to, the Registration Statement specified
         by the Representatives, and have compared certain of such amounts,
         percentages and financial information with the accounting records of
         the Company and its subsidiaries and have found them to be in
         agreement.


                                      -31-
<PAGE>   32
                                   Annex II(A)

                         Form of Opinion of Ropes & Gray


                                      -32-
<PAGE>   33
                                  Annex II (B)

                      Form of Opinion of Bingham Dana, LLP


                                      -33-

<PAGE>   1
 
                                                                    EXHIBIT 23.1
 
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
     As independent public accountants, we hereby consent to the use of our
reports (and to all references to our Firm) included in or made part of this
registration statement.
 
                                          Arthur Andersen LLP
 
Boston, Massachusetts
May 7, 1999

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<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                           2,690
<SECURITIES>                                    15,630
<RECEIVABLES>                                    8,665
<ALLOWANCES>                                     (287)
<INVENTORY>                                          0
<CURRENT-ASSETS>                                28,098
<PP&E>                                           4,432
<DEPRECIATION>                                 (1,247)
<TOTAL-ASSETS>                                  31,574
<CURRENT-LIABILITIES>                            6,733
<BONDS>                                              0
                                0
                                          0
<COMMON>                                            10
<OTHER-SE>                                      24,630
<TOTAL-LIABILITY-AND-EQUITY>                    31,574
<SALES>                                          8,320
<TOTAL-REVENUES>                                 8,320
<CGS>                                            2,006
<TOTAL-COSTS>                                    3,171
<OTHER-EXPENSES>                                 2,720
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   8
<INCOME-PRETAX>                                    651
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<EPS-PRIMARY>                                     0.04
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