WITNESS SYSTEMS INC
10-K405, 2000-03-24
PREPACKAGED SOFTWARE
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                             ---------------------

                                   FORM 10-K
(MARK ONE)

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

               FOR THE FISCAL YEAR ENDED DECEMBER 31, 1999

                                       OR

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

               FOR THE TRANSITION PERIOD FROM ________ TO ________

                         COMMISSION FILE NUMBER 0-19526
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                             WITNESS SYSTEMS, INC.
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                                                          <C>
                          DELAWARE                                        23-2518693
              (State or other jurisdiction of                          (I.R.S. Employer
               incorporation or organization)                         Identification No.)
   1105 SANCTUARY PARKWAY, SUITE 210, ALPHARETTA, GEORGIA                    30004
          (Address of principal executive offices)                        (Zip code)
</TABLE>

        Registrant's telephone number, including area code 770-754-1900
                             ---------------------

        Securities registered pursuant to Section 12(b) of the Act: None

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

                              TITLE OF EACH CLASS

                     Common Stock, par value $.01 per share

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

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

     At March 17, 2000, the registrant had 21,500,615 shares of common stock,
par value $.01 per share, outstanding, and the aggregate market value of the
outstanding shares of voting stock held by non-affiliates of the registrant on
such date was approximately $390 million based on the closing price of $37.75
per share of such common stock on such date.
                             ---------------------

                      DOCUMENTS INCORPORATED BY REFERENCE

     Portions of the registrant's definitive proxy statement for its annual
meeting of stockholders, scheduled for May 18, 2000, are incorporated by
reference to Part III of this report.
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                                     PART I

ITEM 1.  BUSINESS

OVERVIEW

     Witness Systems, Inc. (together with its subsidiary, unless the context
otherwise requires, the "Company" or "Witness") provides business-driven
multimedia recording and analysis software that enables companies to enhance
their customer interactions across multiple communications media. The Company's
software is designed to enable companies to optimize their customer relationship
management. As a result, the Company believes its customers are able to generate
additional revenue opportunities, improve profitability, enhance customer
retention and achieve greater customer intimacy.

     The Company's eQuality software is designed to enable customer contact
centers within a company to record and evaluate complete customer interactions
through multiple media, such as telephone, e-mail and Web chat. The eQuality
software records a customer service representative's voice interactions with a
customer as well as the customer service representative's corresponding computer
desktop activities, such as data entry, screen navigation and data retrieval. By
capturing both voice and computer desktop activity and synchronizing them during
replay, a company can observe and analyze complete customer interactions as they
actually occurred. Supporting the need for Web-based customer interactions
driven by the growth of the Internet and eCommerce, eQuality enables companies
to also capture, evaluate and analyze e-mail and Web chat sessions. In addition,
eQuality allows companies to selectively record and analyze customer
interactions on any of these mediums based on business criteria which they
define, such as key customers, important marketing campaigns, new product
introductions and selected customer service representative, or CSR, criteria.

     Witness currently provides software to an extensive base of large companies
with multiple contact centers, including American Express, Bank of America, Bell
Atlantic Mobile, Capital One, Chase Manhattan Bank, CheckFree, CompUSA,
Discover, EDS, Federal Express, Federated Department Stores, General
Motors/Saturn, GTE, IBM, MCI WorldCom, Merck-Medco, SABRE, Southern Company, TCI
Cablevision, Travelocity.com, USAA, VISA, Wells Fargo and Xerox. As of December
31, 1999, the Company had licensed its software to over 135 customers at over
325 sites.

INDUSTRY BACKGROUND

     Developing and maintaining long-term customer relationships is critical to
the success of businesses operating in a competitive global marketplace. The
rapid growth of the Internet and eCommerce has increased the importance
companies place on their customer relationships. Because the Internet enables
consumers to easily evaluate products and prices from a wide range of
geographically dispersed vendors and quickly change vendors at relatively low
cost, it is becoming more difficult for businesses to develop long-term
relationships with their customers. As the use of the Internet expands as a
business platform, the need for personal contact is essential to enabling a
higher quality customer experience. The integration and optimization of customer
contacts across all communications media is, therefore, becoming a strategic and
tactical business requirement.

     In response to these trends, companies are adopting customer relationship
management initiatives seeking to increase the longevity and profitability of
their customer relationships. To effect these initiatives, companies have
developed software applications to automate and evaluate key sales, marketing
and customer service processes and improve the effectiveness of their customer
interactions. According to META Group, industry leading enterprises are
responding to the steadily increasing competitive pressures and are focusing on
customer relationship management as their most valuable post-year 2000
technology investment. In a press release, AMR Research predicted that the
market for customer relationship management will grow at a compound annual rate
of 49% from 1998 to 2003, reaching $16.8 billion by 2003. Historically, the
focus of customer relationship management applications has been on improving the
companies' internal sales, marketing and customer service processes.

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     Competitive pressures resulting from the emergence of the Internet and
eCommerce have required companies to shift the focus of their customer
relationship management initiatives from improving their internal operations to
meeting the needs of their customers. Companies are developing a new set of
business principles that place a greater value on improving customer
satisfaction and enhancing employee skills to foster customer relationships and
increase customer intimacy. Witness believes that companies, with a better
understanding of the characteristics and preferences of their customers, will be
able to more effectively customize product and service offerings that result in
increased customer retention. In addition, these companies will be able to
better identify opportunities to sell complementary or higher-end products and
to more accurately forecast customer demand.

     To understand and improve customer relationships, a company must first
improve its specific business processes that involve a high degree of direct
customer interaction. Today, many of a company's direct customer interactions
occur through call centers. These call centers are generally staffed by
telephone operators, often referred to as call center agents, who process a
steady flow of outbound or inbound telephone calls relating to the company's
products and services. Call centers generally consist of supervisor and agent
workstations linked to a central telephone switch and a common computer system.
Frost & Sullivan estimates that there are now more than 100,000 call centers
worldwide, a number that is expected to grow to 300,000 by 2001. As a result of
this widespread market adoption, companies have increased their focus on
developing and improving the efficiency of their call center operations.

     Historically, call centers have had the ability to handle only limited
telephone and other voice interactions. These call centers have generally
focused on either conducting outbound calls, for functions such as collections
and product sales, or on managing inbound calls, for purposes such as product
support, order processing or customer service. The growth of the Internet and
the increased focus of businesses on optimizing relationships with their
customers have contributed to the evolution of traditional single-function,
telephone-based call centers into multi-functional, multi-channel customer
interaction centers, or contact centers. The emergence of multi-channel customer
contact centers has generally increased the volume and complexity of tasks that
call center agents are required to perform. As a result, traditional
single-function call center agents must now assume more valuable, multi-function
customer service responsibilities. Companies are now attempting to apply the
best practices from the call center industry to the rapid, electronic,
high-volume customer interactions associated with the Internet.

     Customer service representatives are now required to effectively handle
multiple tasks that involve interaction across a growing number of customer
touch points, including telephone, the electronic exchange of text messages over
the Internet, commonly referred to as Web chat, and e-mail. For example, certain
Web-based consumers may have the option to select a "call me now" button which
initiates a Web chat or direct telephone interaction with a customer service
representative. While Web-based customer interactions are expected to continue
to grow rapidly, Jupiter Communications estimates that 90% of all online
customers still prefer human interaction. In addition, companies have discovered
that the success of their marketing initiatives depends on their ability to
rapidly make adjustments to these campaigns as they progress. The Company
believes these adjustments are best effected at the direct point of customer
contact, which Witness believes is increasingly occurring through the contact
center. The increasing importance of developing long-term customer
relationships, the growing complexity of the customer service representative's
job and the opportunity to manage marketing initiatives through the customer
contact center have combined to dramatically increase the need for companies to
provide an effective means to record, evaluate and analyze their customer
interactions.

     A number of applications have emerged to attempt to address the need to
better manage these interactions. However, the Company believes that most
currently available solutions do not adequately address the importance of
optimizing customer interactions through recording at the point of contact,
evaluation of the customer contact and analysis of customer service
representative performance. For example, current solutions require companies to
record every call center telephone call and store these calls on large-scale
proprietary hardware systems. These solutions do not allow a company to
selectively record, retrieve, evaluate and analyze specific customer
interactions based on criteria selected by the company. Consequently, companies
who employ these existing solutions have only a limited ability to actively
evaluate and improve their customer
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interactions which in turn limits their ability to attract and retain customers.
As a result, Witness believes that there is a significant opportunity in the
marketplace for a comprehensive, integrated multimedia solution which optimizes
a company's customer interactions.

THE EQUALITY SOLUTION

     Witness provides business-driven multimedia recording and analysis software
that enables companies to enhance their customer interactions. As a result, the
Company believes its customers are able to generate additional revenue
opportunities, improve profitability and enhance customer retention. Witness
believes its software and services provide the following key business benefits:

     - Increases revenue opportunities.  The eQuality software enables companies
       to analyze customer interactions, incorporating data from their existing
       databases and systems. As a result, companies are able to customize their
       sales and marketing efforts to individual customer preferences or
       tendencies, improve the selling techniques of their customer service
       representatives and sell additional complementary or higher-end products
       and services to their existing customers. Consequently, Witness believes
       companies utilizing its software can generate additional revenue
       opportunities.

     - Enables improved profitability.  Because the eQuality solution improves
       the overall quality of companies' interactions with their customers,
       costs associated with customer turnover are reduced. By providing CSRs
       with better training, companies can improve the efficiency of CSRs by
       reducing their average "talk time," which results in decreased total
       telephone charges and a reduced total number of CSRs needed to handle the
       same volume of customer interactions. Because the eQuality software
       enables the evaluation of individual CSR performance, companies can
       customize incentives to reward CSRs. Witness believes these customized
       incentives, together with effective feedback and training, leads to
       increased CSR job satisfaction, retention of high quality CSRs and
       reduced costs related to CSR turnover. According to the 1999 Purdue
       University Call Center Benchmark Report, inbound call center turnover
       averages 26% and the average cost to acquire a CSR is $6,398. This data,
       combined with the estimates from PELORUS Group, translates into an
       aggregate CSR turnover cost of approximately $5.5 billion.

     - Enhances customer retention.  Using the eQuality software, companies can
       develop more intimate knowledge of their customers, which should improve
       the overall quality of products and services being delivered to
       customers. Witness believes that the growth in Internet-related commerce
       and services will increase the importance customers place on high-quality
       and consistent customer service. The Yankee Group estimates that the
       average cost to acquire a single customer by Amazon.com, eBay and Preview
       Travel has risen approximately 45% from the second quarter of 1998 to the
       second quarter of 1999. It is imperative that companies retain these
       costly new customers to capitalize on their investment. As a result,
       Witness believes that companies who deliver excellent service to their
       customers will develop longer-term, more profitable customer
       relationships.

     The Company believes that it is able to provide these key business benefits
through the innovative features of its software solution, which include the
following:

     - Enables synchronized replay of voice and computer desktop data.  The
       eQuality software records a CSR's voice interaction with a customer, as
       well as the CSR's corresponding computer desktop activities, such as data
       entry, screen navigation and data retrieval. By capturing both voice and
       computer desktop activity and synchronizing them during replay, companies
       can observe and analyze complete customer interactions as they actually
       occurred. This enables companies to not only evaluate the behavior of
       their customer service representatives, but also to determine whether the
       necessary technology resources for customer support are readily available
       to them and whether they are making effective and efficient use of
       available technology resources.

     - Captures customer interactions across multiple communications media.  The
       eQuality software captures customer interactions from a variety of
       communications media, including telephone, Web

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       chat and e-mail. This multimedia capability allows companies to deliver
       consistent, high quality customer service regardless of the communication
       channel.

     - Records based on company-selected criteria.  Companies using the eQuality
       software can record customer interactions based on selected criteria,
       which Witness refers to as business-driven recording. This enables
       companies to define specific business criteria to trigger recording and
       analysis of information, such as key customers, important marketing
       campaigns, new product introductions and selected customer service
       representatives. Further, companies can define critical business events
       to trigger the capture of the interaction, such as customer problems
       which have reached a certain severity level. Companies can then use this
       information to quickly evaluate the performance of targeted business
       initiatives and to adjust those initiatives for higher market impact.

     - Provides performance analysis and feedback.  The eQuality Evaluation
       software facilitates the review, evaluation and scoring of customer
       service representatives, providing an immediate performance summary.
       Using the eQuality Analysis software, a user can combine important data
       derived from eQuality Evaluation with data derived from many other
       business applications, such as customer relationship management and
       enterprise resource planning software and integrated telephony
       applications. For instance, a company can evaluate quality scores
       obtained from eQuality Evaluation with sales achievement data received
       from a sales tracking system to ensure CSRs are not compromising the
       quality of their customer interactions to sell new products. The
       resulting information, which is presented in easy-to-use formats, such as
       reports, graphs and tables, allows companies to provide more meaningful
       feedback to CSRs on their performance and better analyze the overall
       operation of the contact center.

     - Integrates with third party software and hardware.  The eQuality software
       is designed to integrate with a variety of third-party software, such as
       customer relationship management and enterprise resource planning
       applications. In addition, the eQuality software is designed to integrate
       or be compatible with a company's existing telephony and computer network
       hardware and software such as telephone switches, automated telephone
       dialers and computer-telephony integration systems. This allows companies
       to capitalize on their existing infrastructure and gain the benefits of
       the Company's software with minimal additional investment.

     - Provides an open architecture that scales to support small to large
       installations.  The eQuality software operates on the Windows NT platform
       and is compatible with standard voice cards and databases. Also, the
       software can capture and record computer screen activity from customer
       service representative workstations that are running any of a variety of
       operating systems. By utilizing off-the-shelf hardware and software, the
       Company's customers are able to implement and support the Witness
       products at a relatively low cost. Because the software is scalable, it
       can support the needs of a small single site as well as large multi-site
       installations. For example, the eQuality software is currently being used
       at a customer installation with approximately 7,000 CSRs. In addition, it
       can be expanded to accommodate an increasing number of CSRs with minimal
       hardware and software investment.

     - Enables rapid deployment.  Because of the software's features, extensive
       third party integration, open architecture and implementation process,
       Witness can typically implement its software at a customer's initial site
       within 30 to 45 days from the date the software agreement is signed by a
       new customer. The Company ordinarily completes the actual software
       installation within three to five days. Since the detailed project
       planning occurs during installation at the first site, Witness can
       typically implement its software at additional sites in five to seven
       days. Most of the Company's target market consists of large corporations
       with many customer contact centers, and Witness has significant
       experience with customers purchasing its software for multiple sites. As
       a result, rapid deployment is important in that it allows those customers
       to quickly implement and begin realizing the benefits of the eQuality
       software.

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STRATEGY

     The Company's objective is to be a leading provider of software that
enables companies to optimize their customer interactions across multiple
communications media, including telephone, Web chat, eCommerce, Internet
self-service and e-mail. Key elements of Witness' strategy include the
following:

     - Extend the breadth and depth of product offerings.  Witness intends to
       continue to invest in research and development to enhance its current
       software and build new software to address the growing needs of companies
       that seek to better manage their customer relationships across multiple
       communications media. The Company also intends to extend its Web-based
       capabilities, such as the recording and analyzing of integrated
       eCommerce, Internet self-service, e-mail and voice interactions.
       Additionally, Witness plans to expand the number of third-party
       applications with which its software can integrate.

     - Increase sales to existing and new customers.  A majority of Witness'
       existing customers are large companies that have multiple contact
       centers. While the Company has been successful in penetrating these
       customers and installing its software at more than one contact center,
       the Company has not yet installed its software at a majority of their
       contact centers. Witness intends to capitalize on the success of its
       initial installations, use its direct sales force and emphasize the
       scalability and rapid deployment of its software to increase the number
       of installations at existing customer sites which have not yet installed
       its software. The Company also plans to continue pursuing new customer
       accounts with multiple contact centers through its existing sales force
       and its network of strategic relationships.

     - Expand the network of application software and Internet infrastructure
       business alliances.  Witness intends to expand its network of business
       alliances with complementary application software and Internet
       infrastructure providers to increase the number of products with which
       its software is compatible. The Company believes the demand for its
       software will increase as it becomes compatible with an increasing number
       of customer relationship management, enterprise resource planning and
       Internet infrastructure applications. In addition, expanding this network
       of business alliances will enable Witness to generate new sales leads as
       its business alliances recommend its products to their customers.
       Currently, the Company has business alliances with the following
       application and Internet infrastructure providers: Siebel Systems,
       Clarify, Cisco/Geotel, Genesys, eShare, Kana, eGain, Brightware,
       Mustang.com and Davox.

     - Expand international presence.  Witness currently maintains small direct
       sales forces in the United Kingdom and Stockholm, Sweden. In the future,
       the Company plans to expand its direct and indirect sales channels in
       Europe, the Asia Pacific region and Latin America, with particular
       attention to areas that are actively adopting customer relationship
       management solutions.

PRODUCTS

     The eQuality software initiates recording of customer interactions based on
criteria selected by companies and facilitates retrieval and analysis of the
recorded information. It records a customer service representative's voice
interaction with a customer as well as the CSR's corresponding computer desktop
activities, such as data entry, screen navigation and data retrieval. The voice
and data are captured and stored on a computer disk for synchronized evaluation
and analysis. By capturing both voice and desktop activity and synchronizing
them during replay, a company can observe and analyze complete customer
interactions as they actually occurred. The captured interactions can then be
selectively retrieved, combined with information from a company's other business
systems, such as customer relationship management and enterprise resource
planning software, analyzed and presented in a number of summary or detailed
formats. The eQuality software thus enables companies to evaluate the
effectiveness of its CSRs, improve contact center performance and profile their
customers' characteristics and preferences to create customized product and
service offerings.

     An integral feature of eQuality is business-driven recording, which allows
a company to record specific customer interactions based on criteria that it
selects. Using eQuality, a company can define business rules that trigger
recording of selective customer interactions that are particularly critical to
its operating

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performance. For example, a company may use eQuality to record customer
interactions based on a number of criteria, including:

     - Key customers.  The eQuality software can selectively record all calls
       from specific classes or groups of customers having common traits or
       characteristics. Examples include customers with certain sales or asset
       levels or customers having a particular importance to the company.

     - Important marketing campaigns.  All calls associated with particular
       marketing campaigns can be recorded so that the effectiveness of the
       campaign can be evaluated while the initiative is in process.
       Consequently, adjustments can be made proactively to optimize performance
       of the campaign.

     - Target Products.  Interactions that relate to targeted products can be
       identified and recorded to allow businesses to evaluate product design,
       installation and service issues. Examples include selected calls related
       to new product introductions, key revenue-producing products and
       particularly profitable products.

     - Selected customer service representative considerations.  Calls that are
       handled by specific CSRs can be sampled so that supervisors can more
       effectively monitor and train CSRs. Examples include newly hired CSRs,
       CSRs that are not achieving desired performance levels, and CSRs working
       with a new medium, such as e-mail or Web chat.

     By recording only critical customer interactions based on business rules,
companies have fewer interactions to store and therefore significantly lower
storage requirements. Further, the software's data capture technique allows
companies to utilize minimal network bandwidth by sending across the network
only the changed areas of a CSR's computer desktop screen. The result is a lower
total cost of ownership.

     In addition, the eQuality software is designed to integrate or be
compatible with a company's existing telephony and computer network hardware and
software. The software is designed to run on a server which employs the Windows
NT operating system. In addition, it can capture and record computer screen
activity from CSR workstations that are running any of a variety of operating
systems, including Windows 3.1, Windows 95/98, Windows NT, OS/2, Sun Solaris,
HP(UX)3270 and AS/400.

     The eQuality suite of products is comprised of the following modules:

     eQuality Balance.  eQuality Balance records a customer service
representative's voice interaction with a customer and the CSR's corresponding
computer desktop activities, such as data entry, screen navigation and data
retrieval. The captured voice and desktop activity can then be synchronized
during replay, allowing companies to observe and analyze complete customer
interactions as they actually occurred. This enables companies to evaluate the
performance of CSRs, determine whether the necessary technology resources for
customer support are available to the CSRs and ascertain whether the CSRs are
making effective and efficient use of these resources. Supervisors can use this
information to train CSRs, improve company systems and resources designed to
support CSRs and enhance the quality of the services being delivered to
customers.

     eQuality Interactive and eQuality Response.  The eQuality Interactive and
eQuality Response applications allow a company to record Internet interactions,
including Web chat, instant messaging, guided browser sessions and e-mail, based
on user-defined business rules. These applications enable companies to gauge the
effectiveness of their CSRs' Internet skills, refine newly implemented Internet
processes and optimize the effectiveness of their Web technology deployments. In
combination with eQuality Balance, companies are able to deliver consistently
high standards of service regardless of the medium.

     eQuality Evaluation.  The eQuality Evaluation application facilitates the
review, evaluation and scoring of CSRs, providing an immediate summary of a
CSR's performance. Using eQuality Evaluation, CSR supervisors can build custom
evaluation forms which are designed to collect information about aspects of a
CSR's performance that are most important to them. Supervisors and others can
input information regarding a CSR's performance into the form, which is then
collected in a database. The collected information can be retrieved, presented
in a summary format, analyzed and ultimately used to measure and improve a CSR's
performance.

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     eQuality Evaluation can reveal problem areas, issues, trends and
opportunities. Supervisors and others with access to eQuality Evaluation can
review CSRs' performance and determine opportunities to increase their skill
levels through training. Supervisors can compare CSRs' performance to current
goals and provide more realistic future goals.

     Historically and at present, eQuality Balance was and is licensed together
with the eQuality Evaluation software. Through December 31, 1999, the Company
derived all of its license revenues from the sale of these two products.

     eQuality Analysis.  eQuality Analysis provides a more comprehensive
analysis of customer interaction and CSR performance by bridging the disparate
information systems of a company. Using eQuality Analysis, a company can combine
data derived from eQuality Evaluation with data derived from information
obtained from a company's other business systems, such as customer relationship
management and enterprise resource planning software and integrated telephony
applications. Combining multiple sources of data from within the company into a
common analysis and reporting system allows for a more thorough evaluation of
CSR and overall contact center performance. Recognizing the importance of
multi-channel contact centers, the Company has designed eQuality Analysis to
integrate with business systems that collect data from a broad range of
communications media. eQuality Analysis became generally available during the
quarter ended September 30, 1999, and the Company has not yet recognized any
revenues from eQuality Analysis.

     eQuality Analysis measures the performance of a company's contact center
based on criteria selected and weighted by the company. This performance index
allows a company to prioritize its key business drivers. For instance, a company
can evaluate quality scores obtained from eQuality Evaluation with sales
achievement data received from a sales tracking system to ensure CSRs are not
compromising the quality of their customer interactions to sell new products.

     eQuality Analysis features the flexibility to produce a wide array of
summary and detailed analyses in easy-to-use formats, such as reports, graphs
and tables. Reporting features include Web-publishing capabilities, which allow
contact center managers to create reports in an HTML format, view them online or
print them for distribution. Additionally, CSRs are able to view their scores by
simply accessing the corporate Intranet.

PROFESSIONAL SERVICES

     The Company's professional services group plays an integral role in
installing its software and training and supporting its customers. Specifically,
Witness provides the expertise, professional consulting staff and technology
tools to install its software and provide ongoing support to its customers. The
Company's experienced installation professionals work with the customer to build
a solid technical infrastructure that supports the software's applications.

     An initial implementation engagement typically lasts 30 to 45 days from the
date the software agreement is signed by a new customer, and involves the
planning, configuration, testing and installation of the Company's software.
Generally, the actual software installation takes three to five days. The
Company believes these installation projects allow its consultants and systems
engineers to gain industry-specific knowledge that can be used in future
projects and products.

     In addition to installing the software and supporting customers, the
professional services team works closely with the internal research and
development organization to help enhance software solutions. Experience gained
by the professional services group through ongoing software installation is
regularly conveyed to the development staff. The Company's research and
development organization then capitalizes on this experience to design
enhancements to the software. The services staff also maintains a technical
support hotline.

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CUSTOMERS

     The Company's target customers include companies in a number of industries
having at least one contact center. As of December 31, 1999, Witness had
licensed its software to over 135 customers at over 325 sites. To date, customer
installations have ranged from as small as one contact center having 25 CSRs, to
customers with 14 contact centers having an aggregate of approximately 7,000
CSRs.

<TABLE>
<CAPTION>
FINANCIAL SERVICES             TECHNOLOGY & TELECOM         OTHER
- ------------------             --------------------         -----
<S>                            <C>                          <C>
American Express               Alltel Communications        7C Ltd
Bank of America                Bell Atlantic Mobile         ADP
BB&T                           BellSouth                    Carlson Wagonlit Travel
Capital One                    CCH                          Federal Express
Chase Manhattan Bank           CheckFree                    General Motors/Saturn
Fleet Bank                     EDS                          Georgia Pacific
Discover Financial Services,   GTE                          International Paper
 formerly Novus                IBM                          Maytag
Liberty Health                 MCI WorldCom                 McKesson/HBOC
PNC Bank                       McLeod USA                   Merck-Medco
VISA                           MediaOne                     Norcross Teleservices
Wells Fargo                    MTT Mobility                 PC ServiceSource
                               TCI                          Pepsi
UTILITIES                      Travelocity.com              Promus Hotels
- ---------                      WebLink Wireless             SABRE
First Energy                   Xerox
Niagra Mohawk
Northeast Utilities            RETAIL
Southern California Edison     ------
Southern Company               BMG Direct
Wisconsin Power and Light      CompUSA
                               Federated Department Stores
                               Fingerhut
                               Victoria's Secret
</TABLE>

     Two customers accounted for 28% of the Company's revenues in 1997. Two
other customers accounted for 27% of the Company's revenues in 1998. In 1999, no
customer accounted for 10% or more of the Company's revenues.

SALES AND MARKETING

     The Company sells its software primarily through a combination of a direct
sales force and resellers. As of December 31, 1999, Witness had 11 sales offices
in the United States, one in Canada and two in the United Kingdom, and its sales
and marketing organization consisted of 59 employees worldwide.

     To date, substantially all of the Company's revenues have been generated
through its direct sales force, which consisted of 35 sales people in 14
locations as of December 31, 1999. The direct sales force consists of sales
agents and regional managers. In addition to qualified leads generated
internally, the direct sales force also pursues qualified leads provided by
companies with whom Witness has formal or informal referral agreements. These
agreements are not exclusive and may be terminated by either party.

     The Company develops strategic marketing alliances with leading companies
in its industry to expand the coverage and support of its direct sales force.
These relationships may include joint marketing campaigns and selling
strategies. Separate from the direct sales force, the Company's business
development personnel are responsible for the initiation, negotiation and
completion of these partnerships. Witness currently has these relationships with
Siebel Systems, Clarify, Cisco/Geotel, Genesys, eShare, Kana, eGain, Brightware
and Mustang.com.

                                        8
<PAGE>   10

     In addition to the direct sales force, Witness has agreements with MCI
WorldCom and Rockwell under which they resell the Company's software. To support
this indirect sales channel, the Company's business development personnel
provide information and training to these companies' sales personnel so that
they are better able to educate potential customers about the benefits of its
software and services. The Company's agreements with its resellers are not
exclusive and may be terminated by either party.

     The Company's direct sales cycle typically begins with the qualification of
a sales lead or the request for a proposal from a prospective customer. The
sales lead, or request for a proposal, is followed by the qualification of the
lead or prospect, an assessment of the customer's requirements, a formal
proposal, presentations and product demonstrations, site visits to an existing
customer using the software and contract negotiation. The sales cycle can vary
substantially from customer to customer but typically lasts three to six months,
and is considered completed with the signing of the contract. Historically, most
of the Company's customers have expanded their use of the software's solutions
to expand the number of CSRs at existing sites and to license additional contact
centers, with a minimal incremental sales effort. This results from high levels
of customer satisfaction within the installed base. Since a majority of the
detailed project planning occurs during the installation at the first site, the
software can be used in production at additional sites in five to seven days.

     The Company uses a variety of marketing programs to build brand name
awareness, as well as to attract potential customers. These programs include
market research, product and strategy updates with industry analysts, public
relations activities, direct mail and relationship marketing programs, seminars,
trade shows, speaking engagements and Web site marketing. To support sales
efforts, the marketing organization also produces marketing materials that
include brochures, data sheets and other technical descriptions, presentations
and demonstrations.

     The market for business software has experienced seasonal fluctuations in
demand. The first and third quarters of the year have been typically
characterized by lower levels of revenues. As the Company's revenues grow,
seasonal fluctuations in its revenues may become more evident.

RESEARCH AND DEVELOPMENT

     The Company believes its software development capabilities are essential to
its strategy of enhancing its core technology, developing additional
applications incorporating that technology and maintaining the competitiveness
of its software. Witness devotes a substantial portion of its resources to
developing new software and features, extending and improving its software
technology and researching new technological initiatives in its market. The
Company believes that its future success depends in part upon its ability to
continue to enhance existing software, respond to changing customer requirements
and develop and introduce new or enhanced software that incorporate new
technological developments and emerging industry standards.

     Research and development expenditures for the years ended December 31,
1997, 1998 and 1999 were $1.8 million, $3.5 million and $5.8 million,
respectively. The Company intends to continue to increase its investment in
research and development in the future. As of December 31, 1999, Witness had 51
employees engaged in research and development and software maintenance
activities.

COMPETITION

     Witness' software and services compete in the emerging market for products
that record and analyze customer interactions. This market is intensely
competitive and experiences rapid changes in technology. Witness believes that
it competes effectively and that it enjoys a competitive advantage based upon
(1) the functionality and quality of its products, (2) the ease of use and
ability of its products to operate with a variety of hardware and software
products, (3) its ability to implement its products quickly, (4) its competitive
pricing, and (5) the responsiveness of its customer support. However, many
current and potential competitors may have longer operating histories, more
established business relationships, larger customer bases, a broader range of
products and services, greater name recognition and substantially greater
financial, technical, marketing, personnel, management, service, support and
other resources than Witness. This could allow the Company's current and
potential competitors to respond more quickly than it can to new or emerging
technologies and changes in customer requirements, take better advantage of
acquisitions and other
                                        9
<PAGE>   11

opportunities, devote greater resources to the marketing and sale of their
products and services, and adopt more aggressive pricing policies. In addition,
many competitors market their products through resellers and companies that
integrate their technology and products with those of the competitor. These
resellers and technology partners of competitors often have strong business
relationships with the Company's customers and potential customers. The
Company's competitors may use these business relationships to market and sell
their products and compete for customers with Witness. The Company cannot assure
that its competitors will not offer or develop products and services that are
superior to the Company's, or that achieve greater market acceptance. The
Company's competitors include:

     - quality monitoring suppliers to the call and contact center industry,
       which historically have been companies that develop voice-only recording
       software;

     - traditional call logging vendors that have historically focused on
       providing products that record all calls made by or to the user,
       including emergency services, such as 911, and verification and liability
       users, such as trading floors and stock brokers;

     - systems integrators and consulting firms which design and develop custom
       systems and perform custom integration; and

     - new, larger and more established entities that may acquire, invest in or
       form joint ventures with providers of recording or performance enhancing
       software solutions, such as vendors of customer relationship management
       products, computer telephony companies and computer hardware, software
       and networking companies.

     In addition, Witness has developed, and intends to continue to develop,
relationships with companies that resell its software, companies that integrate
the software with their technology and products and companies that provide
Witness with customer referrals or leads. Some of these companies have similar,
and often more established, relationships with the Company's competitors, and
may recommend the products and services of competitors to customers instead of
the Company's software and services. In addition, through their relationships
with Witness, these companies could learn about its software and the market for
its software and services and could develop and sell competing products and
services.

     The principal competitive factors in the Company's market include:

     - product performance, reliability and features;

     - user scalability and open architecture;

     - third party integration;

     - quality and speed of product implementation;

     - ease-of-use for customers;

     - analytic capabilities of the product;

     - how quickly new products and product enhancements can be brought to
       market;

     - customer support; and

     - pricing of products and services.

     The Company's success will depend on its ability to compete effectively
based on these factors. Further, Witness expects that competition will increase
as other established and emerging companies enter its market and as new
products, services and technologies are introduced. Increased competition may
result in price reductions, lower gross margins and loss of market share. This
could materially and adversely affect the Company's business, financial
condition and results of operations.

                                       10
<PAGE>   12

PROPRIETARY RIGHTS

     General.  The Company's success depends to a significant degree on the
legal protection of its software and other proprietary technology rights.
Witness relies on a combination of patent, trade secret, copyright and trademark
laws and confidentiality and non-disclosure agreements with employees and third
parties to establish and protect the Company's proprietary rights. These
measures may not be sufficient to protect proprietary rights, and the Company
cannot be certain that third parties will not misappropriate its technology and
use it for their own benefit. Also, most of these protections do not preclude
Witness' competitors from independently developing products with functionality
or features substantially equivalent or superior to its software. Any failure to
protect the Company's intellectual property could have a material adverse effect
on its business.

     Licenses.  The Company's licenses are designed to prohibit unauthorized
use, copying and disclosure of its software technology. When Witness licenses
its software to customers, it requires license agreements containing
confidentiality terms customary in the industry in order to protect its
proprietary rights in the software. These agreements generally warrant that the
software will materially comply with written documentation and is free of
viruses and other illicit code. The Company also warrants that it owns the
software it distributes and has not violated the intellectual property rights of
others. Witness licenses its products in a format that does not permit the users
to change the software code. In addition, because the Company treats the source
code for its products as a trade secret, all employees and third parties who
require access to the source code are first required to sign non-disclosure
agreements.

     Patents.  The Company has received a patent generally relating to its
technology that enables the recording of a CSR's computer desktop activities and
the synchronization of certain of these activities with the CSR's voice
interactions. The patent also relates to the data capture technique that records
only particular changed regions of a CSR's computer screen. The patent was
granted on May 31, 1996 and will expire on May 30, 2016. Witness is currently
evaluating whether to revise one aspect of the patent for its synchronization
techniques. If the Company is unsuccessful, it may not be able to enforce any
aspect of that patent against third parties who infringe it. Witness also has
two patent applications pending with the United States Patent and Trademark
Office. There is no guarantee that the pending applications will result in
issued patents or, if issued, will provide the Company with any competitive
advantages.

     Trademarks and service marks.  The Company has United States trademark
registrations on the mark WITNESS, on the company logo and on one additional
mark, and has pending United States trademark applications for the marks
eQuality and Bringing eQuality to eBusiness. The Company also claims common law
protections for other marks it uses in its business. Competitors of Witness and
others could adopt similar marks, or try to prevent the Company from using its
marks, consequently impeding the Company's ability to build brand identity and
possibly leading to customer confusion.

     The Company is aware of certain uses, United States trademark
registrations, and United States trademark applications for the trademark
"equality" and its variations that predate the Company's use of, and United
States trademark application for, its trademarks eQuality and Bringing eQuality
to eBusiness. It is possible that the United States Patent and Trademark Office
will deny the United States trademark applications. In addition, it is possible
that the owner of legal rights resulting from one or more of these prior uses,
United States trademark registrations, or United States trademark applications
will bring legal action to prevent Witness from registering and/or using the
trademarks eQuality and Bringing eQuality to eBusiness, and may also seek
compensation for damages resulting from the Company's use of these trademarks.
As a result, Witness cannot assure that its efforts to use and register these
trademarks will ultimately be successful, or that this use will not result in
liability for trademark infringement, trademark dilution, and/or unfair
competition.

     Based on the limited information available to Witness regarding these prior
uses, United States trademark registrations, and United States trademark
applications for the trademark "(e)Quality" and its variations, the Company
believes that its trademarks eQuality and Bringing eQuality to eBusiness are
available for use and United States trademark registration in connection with
the services stated in the

                                       11
<PAGE>   13

Company's registration applications, or as the descriptions of those services
may be amended during the course of examination in the United States Patent and
Trademark Office.

     Copyrights.  The Company has seven pending copyright registrations covering
the most recent release of its Quality software.

EMPLOYEES

     As of December 31, 1999, the Company had 178 full-time employees. Of these
employees, 51 were engaged in research and development and software maintenance,
59 were engaged in sales and marketing, 38 were engaged in professional services
and 30 were engaged in executive, finance, administration and operations.

     None of the employees are represented by a labor union or covered by a
collective bargaining agreement. The Company has not experienced any
labor-related work stoppages and considers its relations with its employees to
be good.

ITEM 2.  FACILITIES

     The Company's principal administrative, sales, marketing, support, and
research and development facility is located in Alpharetta, Georgia. This
facility consists of approximately 31,200 square feet and is leased through July
2002. In addition, the Company leases a total of 10 sales offices in the United
States, one in Canada and two in the United Kingdom for the direct sales force.
The Company believes its facilities are adequate for its current requirements.

ITEM 3.  LEGAL PROCEEDINGS

     The Company is not currently a party to any material legal proceedings.

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

     A Special Meeting of Stockholders of the Company was held on December 3,
1999. There were present at the Special Meeting, in person or by proxy, holders
of 7,341,343 shares (a majority) of the Preferred Stock and Common Stock
entitled to vote.

     The affirmative vote of the holders of a majority of the outstanding shares
of Preferred Stock and Common Stock represented at the Special Meeting approved
the following:

          (a) holders of 7,341,343 shares (a majority) of the Preferred Stock
     and Common Stock entitled to vote (and no dissenting or abstaining votes)
     approved the adoption of Amended and Restated Certificate of Incorporation
     under which (i) the number of authorized shares of Common Stock of the
     Company were increased from 15,000,000 to 50,000,000, (ii) the number of
     authorized shares of preferred stock of the Company was increased from
     6,731,954 to 10,000,000 shares of "blank check" preferred stock, and (iii)
     certain provisions relating to the continuity and stability of Board of
     Directors policies (which policies may have anti-takeover effects),
     including (a) the classification of the Company's Board of Directors into
     three classes, (b) advance notice of stockholder proposals and nominations
     for the selection of directors were added;

          (b) holders of 7,341,343 shares (a majority) of the Preferred Stock
     and Common Stock entitled to vote (and no dissenting or abstaining votes)
     approved the adoption of Company's Amended and Restated Stock Incentive
     Plan; and

          (c) holders of 7,341,343 shares (a majority) of the Preferred Stock
     and Common Stock entitled to vote (and no dissenting or abstaining votes)
     approved the adoption of the Company's Employee Stock Purchase Plan.

                                       12
<PAGE>   14

                                    PART II

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

COMMON STOCK

     The Company's common stock trades on the Nasdaq Stock Market under the
symbol "WITS". Because the Company's common stock started trading on February
10, 2000, there is no available data with regard to the Company's stock price
for the fiscal year ended December 31, 1999 or before.

     Dividend Policy.  The Company has not paid any cash dividends on its common
stock to date. The payment of dividends, if any, in the future is within the
discretion of the Board of Directors and will depend on the Company's earnings,
its capital requirements and financial condition. It is the present intention of
the Board of Directors to retain all earnings, if any, for use in the Company's
business operations, and accordingly, the Board of Directors does not expect to
declare or pay any dividends in the foreseeable future.

     Use of Proceeds.  The Company's Registration Statement on Form S-1 (File
No. 333-91383) became effective on February 9, 2000. On February 10, 2000,
Witness commenced trading on NASDAQ and on February 15, 2000, the Company
completed its initial public offering ("IPO") whereby the Company issued 3.8
million shares of common stock at an offering price of $20.00 per share.
Simultaneously, the Company's underwriters exercised their over-allotment option
to issue an additional 570,000 shares, of which 219,269 shares were sold by the
Company. Witness' managing underwriters were Chase H&Q. Net proceeds to the
Company were $74.8 million, after deducting underwriting discounts and
commissions and selling stockholders' net proceeds of $5.6 million. The Company
estimates that additional IPO related expenses will total approximately $1.1
million, leaving net proceeds of $73.7 million. Since the IPO, the Company has
used the net proceeds to repay all of its long-term debt totaling $2.8 million,
including $67,000 in prepayment penalties, and has invested the balance in fixed
income instruments, including money market instruments, medium term notes and
commercial paper.

     Holders.  As of March 17, 2000, the Company had at least 79 holders of
record of its common stock. The Company believes that it has at least 15
beneficial owners.

RECENT SALES OF UNREGISTERED SECURITIES

     On August 2, 1999, we issued and sold 1,325,028 shares of series C
preferred stock at a price of $6.30 per share to a group of venture capital
firms and an individual investor resulting in net proceeds of $8.3 million.
Immediately before the consummation of this offering, each of the series C
preferred shares will be automatically converted into 1.8 shares of common
stock.

     On September 30, 1999, we purchased certain assets from Advanced Integrated
Recorders, Inc. and issued 841,120 shares of common stock to Advanced Integrated
Recorders, Inc. as consideration for the assets.

     In March 1999, we issued 879,763 shares of restricted common stock to Mr.
Gould in return for a note receivable of $1.5 million.

     On August 2, 1999, we sold 30,600 shares of restricted common stock to each
of the following officers (for a total of 244,800 shares): Mr. Gould, Mr.
Ezrine, Ms. Brown, Mr. Gisby, Mr. Ford, Mr. Gallick, Mr. Livernoche, and Mr.
Treaster. Each officer paid $90,950 for the shares by providing a promissory
note to the company. The principal balance of each promissory note is due in
full on July 31, 2003, with interest of 7% payable in arrears annually. In
addition, on August 2, 1999, we sold 24,395 shares of restricted common stock to
Mr. Abraham for $72,401 in return for a promissory note. The principal balance
of the promissory note is due in full on July 31, 2006, with interest of 6.41%
payable in arrears annually.

     For the year ending December 31, 1999, Witness Systems sold and issued
392,078 shares of its common stock to employees, officers and directors pursuant
to direct issuances and exercises of options under its stock incentive plan.

                                       13
<PAGE>   15

     The sale of the above securities was deemed to be exempt from registration
under Section 5 of the Securities Act in reliance upon Section 4(2) of the
Securities Act or Rule 701 promulgated under Section 3(b) of the Securities Act
as transactions by an issuer not involving any public offering or transactions
pursuant to compensation benefit plans and contracts relating to compensation as
provided under such Rule 701. The recipients of securities in each such
transaction represented their intentions to acquire the securities for
investment only and not with a view to or for sale in connection with any
distribution thereof, and appropriate legends were affixed to the share
certificates issued in such transaction. All recipients had adequate access,
through their relationships with Witness Systems, to information about Witness
Systems.

                                       14
<PAGE>   16

ITEM 6.  SELECTED FINANCIAL DATA

     Set forth below are certain selected historical financial data of the
Company on a consolidated basis. This information should be read in conjunction
with the consolidated financial statements and the related notes and the
information under "Management's Discussion and Analysis of Financial Condition
and Results of Operations."

<TABLE>
<CAPTION>
                                                                         YEAR ENDED DECEMBER 31,
                                                              ----------------------------------------------
                                                               1995     1996      1997      1998      1999
                                                              ------   -------   -------   -------   -------
                                                                  (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                                           <C>      <C>       <C>       <C>       <C>
STATEMENT OF OPERATIONS DATA:
Revenues:
  License...................................................  $  444   $   764   $ 3,775   $ 8,682   $16,706
  Services..................................................     161       425     1,138     2,444     6,221
  Hardware..................................................     357       632     1,271     2,171        46
                                                              ------   -------   -------   -------   -------
         Total revenues.....................................     962     1,821     6,184    13,297    22,973
                                                              ------   -------   -------   -------   -------
Cost of revenues:
  License...................................................      10        30       164       310       327
  Services..................................................     130       622     1,204     2,526     3,920
  Hardware..................................................     315       920     1,574     2,482        46
                                                              ------   -------   -------   -------   -------
         Total cost of revenues.............................     455     1,572     2,942     5,318     4,293
                                                              ------   -------   -------   -------   -------
         Gross profit.......................................     507       249     3,242     7,979    18,680
Operating expenses:
  Sales and marketing.......................................      93       291     2,016     6,147    11,578
  Research and development..................................     264     1,095     1,817     3,529     5,781
  General and administrative................................     401     1,058     1,684     2,141     3,777
  Charge for termination of distribution agreement..........      --        --        --       900        --
  Acquired in-process research and development..............      --        --        --        --     3,506
  Other personnel costs.....................................     621        --        --        --       678
                                                              ------   -------   -------   -------   -------
         Operating loss.....................................    (872)   (2,195)   (2,275)   (4,738)   (6,640)
Interest income (expense), net..............................       9         4        62       (31)     (364)
                                                              ------   -------   -------   -------   -------
         Loss before provision for income taxes.............    (863)   (2,191)   (2,213)   (4,769)   (7,004)
Provision for income taxes..................................      --        --        --        --        --
                                                              ------   -------   -------   -------   -------
         Net loss...........................................    (863)   (2,191)   (2,213)   (4,769)   (7,004)
Preferred stock dividends and accretion.....................      --        --       (84)     (502)   (1,815)
                                                              ------   -------   -------   -------   -------
         Net loss applicable to common stockholders.........  $ (863)  $(2,191)  $(2,297)  $(5,271)  $(8,819)
                                                              ======   =======   =======   =======   =======
Net loss per share -- basic and diluted.....................  $(0.10)  $ (0.21)  $ (0.32)  $ (0.76)  $ (1.37)
                                                              ======   =======   =======   =======   =======
Shares used in computing net loss per share -- basic and
  diluted...................................................   8,922    10,307     7,238     6,964     6,424
                                                              ======   =======   =======   =======   =======
Unaudited pro forma net loss per share -- basic and
  diluted(1)................................................                               $ (0.36)  $ (0.44)
                                                                                           =======   =======
Shares used in computing unaudited pro forma net loss per
  share -- basic and diluted(1).............................                                13,399    15,755
                                                                                           =======   =======
</TABLE>

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

(1) Pro forma assumes conversion of convertible preferred stock into common
    stock and the vesting of certain restricted shares as if such conversions
    occurred on January 1, 1998.

<TABLE>
<CAPTION>
                                                                              DECEMBER 31,
                                                             -----------------------------------------------
                                                             1995     1996      1997       1998       1999
                                                             -----   -------   -------   --------   --------
                                                                             (IN THOUSANDS)
<S>                                                          <C>     <C>       <C>       <C>        <C>
BALANCE SHEET DATA:
Cash and cash equivalents..................................  $  84   $    69   $ 2,092   $    912   $  2,630
Working capital (deficit)..................................   (142)   (2,399)   (2,506)    (3,156)    (5,744)
Total assets...............................................    316     1,108     3,966      5,026     10,843
Long-term debt, less current portion.......................     --        --        --      1,102        250
Total convertible preferred stock..........................     --        --     6,733     12,710     22,837
Total stockholders' equity (deficit).......................    (69)   (2,260)   (8,241)   (15,376)   (25,656)
</TABLE>

                                       15
<PAGE>   17

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

     The following Management's Discussion and Analysis of Financial Condition
and Results of Operations should be read in conjunction with the Company's
Consolidated Financial Statements and Notes.

OVERVIEW

     Witness Systems, Inc. (together with its subsidiary, unless the context
otherwise requires, the "Company" or "Witness") provides business-driven
multimedia recording and analysis software that enables companies to enhance its
customer interactions across multiple communications media. The Company's
software is designed to enable customer contact centers within a company to
record and evaluate complete customer interactions through one or more
communications media, such as telephone and Web chat. Witness believes that the
key benefits of its products include increased revenues from improved customer
interactions, improved profitability from increased customer service
representative and supervisor productivity and reduced turnover and enhanced
customer retention through greater customer intimacy. The software is designed
to integrate with a variety of third party software, such as customer
relationship management and enterprise resource planning applications, and with
existing telephony and computer network hardware and software. The majority of
Witness' customers are companies with one or more contact centers that handle
voice and data customer interactions for outbound sales and marketing
operations, inbound service/support lines, or both. The Company utilizes its
direct sales organization and a variety of strategic marketing alliances to
reach its target customer base.

SOURCES OF REVENUES AND REVENUE RECOGNITION POLICY

     The Company generates revenues principally from licensing its software
directly to customers and providing related professional services, including
software installation, training and maintenance. During 1999, approximately 95%
of revenues were derived from sales within North America through the Company's
direct sales force. Prior to 1999, substantially all of the Company's revenues
were derived from sales within North America. Witness expects, however, that
future license and professional services revenues may also be derived from
international markets and may be denominated in the currency of the applicable
market. As a result, the Company's operating results may become subject to
fluctuations based upon changes in the exchange rates of foreign currencies in
relation to the U.S. dollar.

     The Company's license agreements generally provide that customers pay a
software license fee for one or more software products for a specified number of
users. The amount of the license fee varies based on which software product is
licensed, the number of software products licensed and the number of users
licensed. Customers can subsequently pay additional license fees to allow
additional users to use previously licensed software products or to license
additional software products. Each software product contains the same core
functionality, allowing for easy integration of additional software products as
they are licensed from Witness. Customers that license software products receive
the software on compact disc.

     The Company recognizes license revenues in accordance with the provisions
of American Institute of Certified Public Accountants Statement of Position
97-2, "Software Revenue Recognition" and SOP 98-4, "Deferral of the Effective
Date of a Provision of SOP 97-2." Following the requirements of SOP 97-2,
Witness recognizes license revenues when all of the following conditions are
met:

     - there is a signed, noncancellable license agreement with the customer;

     - the software product has been delivered to the customer;

     - the amount of fees to be paid by the customer is fixed or determinable;
       and

     - collection of these fees is probable.

     The Company's customers generally purchase installation and training
services. They ordinarily purchase these services directly through the Company's
internal professional services organization on either a fixed fee or a time and
materials basis. Revenues on installation and training services are recognized
upon performance of the related services.
                                       16
<PAGE>   18

     The Company's customers also purchase maintenance contracts that provide
software upgrades and technical support over a stated term, generally twelve
months. Historically, all customers have purchased an initial maintenance
contract for each newly licensed site. From January 1997 through December 1999,
on average, over 92% of the Company's customer sites at the beginning of each
year renewed its annual maintenance contracts. Revenues on maintenance are
recognized ratably over the terms of the maintenance contracts, which are
usually one year.

     Until the first quarter of 1999, the Company also generated revenues from
the sale of computer hardware. This hardware consisted of standard, readily
available computer servers that Witness purchased from third parties and resold.
Because of the Company's relatively low volume of hardware sales compared to
traditional computer equipment providers, Witness was unable to compete on price
with those providers and frequently resorted to selling hardware at very low
margins or below cost. The losses that the Company incurred from selling
hardware adversely affected its liquidity and financial position. Because of
this, Witness discontinued hardware sales in the first quarter of 1999, which
improved gross margins during 1999. The Company's customers currently purchase
its hardware from other suppliers.

COST OF REVENUES AND OPERATING EXPENSES

     The Company's cost of license revenues primarily consists of license fees
due to third parties for royalties and packaging costs. Cost of services
revenues includes salaries and related expenses for installation, training and
maintenance personnel and allocations of facilities, communications and
depreciation expenses. Cost of hardware revenues consisted of purchases of
hardware. The Company discontinued sales of hardware during the first quarter of
1999. Operating expenses are classified into three general categories: sales and
marketing, research and development and general and administrative. Witness
classifies all charges to these operating expense categories based on the nature
of the expenditures. The Company allocates the costs for overhead and facilities
to each of the functional areas that use the overhead and facilities services.
These allocated charges include facility rent for corporate offices,
communication charges and depreciation expenses for office furniture and
equipment. Witness anticipates that operating expenses will increase
substantially in future quarters as it increases sales and marketing operations,
develops new distribution channels, funds greater levels of research and
development, broadens professional services and supports and improves
operational and financial systems. As a result, the Company could continue to
incur losses for the foreseeable future. In addition, the Company's limited
operating history makes it difficult to predict future operating results, and,
accordingly, there can be no assurance that the Company will achieve or sustain
revenue growth or profitability.

     Research and development costs are expensed as incurred. Costs incurred
subsequent to establishing technological feasibility, in the form of a working
model, are capitalized and amortized over their estimated useful lives. To date,
software development costs incurred after technological feasibility has been
established have not been material.

     The Company had 178 full-time employees at December 31, 1999, up from 74
and 111, at December 31, 1997 and 1998, respectively. This rapid growth places a
significant demand on management and operational resources. In order to manage
growth effectively, it is necessary to implement and improve operational
systems, procedures and controls on a timely basis. In addition, the Company
expects that future expansion will continue to challenge its ability to hire,
train, motivate and manage its employees. Competition is intense for highly
qualified technical, sales and marketing and management personnel. If total
revenue does not increase relative to operating expenses, and management systems
do not expand to meet increasing demands, and if Witness fails to attract,
assimilate and retain qualified personnel or its management otherwise fails to
manage its expansion effectively, there would be a material adverse effect on
its business, financial condition and operating results.

DEFERRED STOCK COMPENSATION CHARGE

     During the fourth quarter of 1999, the Company incurred a deferred stock
compensation charge of $1.0 million for the difference between the exercise
price and the deemed fair value of certain stock option grants. This charge will
be amortized over the vesting period of the underlying options, generally four
years.

                                       17
<PAGE>   19

RESULTS OF OPERATIONS

     The table below shows operating data as a percentage of total revenues for
the periods indicated:

<TABLE>
<CAPTION>
                                                                   YEAR ENDED
                                                                  DECEMBER 31,
                                                            -------------------------
                                                            1997      1998      1999
                                                            -----     -----     -----
<S>                                                         <C>       <C>       <C>
STATEMENT OF OPERATIONS DATA:
  Revenues:
     License..............................................   61.0%     65.3%     72.7%
     Services.............................................   18.4      18.4      27.1
     Hardware.............................................   20.6      16.3       0.2
                                                            -----     -----     -----
          Total revenues..................................  100.0     100.0     100.0
  Cost of revenues:
     License..............................................    2.7       2.3       1.4
     Services.............................................   19.4      19.0      17.1
     Hardware.............................................   25.5      18.7       0.2
                                                            -----     -----     -----
          Total cost of revenues..........................   47.6      40.0      18.7
                                                            -----     -----     -----
          Gross profit....................................   52.4      60.0      81.3
  Operating expenses:
     Sales and marketing..................................   32.6      46.2      50.4
     Research and development.............................   29.4      26.5      25.2
     General and administrative...........................   27.2      16.1      16.4
     Charge for termination of distribution agreement.....     --       6.8        --
     Acquired in-process research and development.........     --        --      15.2
     Other personnel costs................................     --        --       3.0
                                                            -----     -----     -----
          Operating loss..................................  (36.8)    (35.6)    (28.9)
  Interest income (expense), net..........................    1.0      (0.2)     (1.6)
                                                            -----     -----     -----
          Loss before provision for income taxes..........  (35.8)    (35.8)    (30.5)
  Provision for income taxes..............................     --        --        --
                                                            -----     -----     -----
          Net loss........................................  (35.8)%   (35.8)%   (30.5)%
                                                            =====     =====     =====
</TABLE>

YEAR ENDED DECEMBER 31, 1998 COMPARED TO YEAR ENDED DECEMBER 31, 1999

  Revenues

     Total revenues increased 73% from $13.3 million in 1998 to $23.0 million in
1999, primarily due to growth in license revenues. License revenues increased
92% from $8.7 million in 1998 to $16.7 million in 1999. The increase in license
revenues was primarily the result of a growing market awareness of the Company's
products and, to a lesser extent, an expanded sales force. Further, during 1998
and 1999, 45% and 54%, respectively, of license revenues were attributable to
new customers, while 55% and 46%, respectively, were attributable to add-on
sales associated with the existing customer base. As a percentage of total
revenues, license revenues increased from 65.3% in 1998 to 72.7% in 1999.

     Services revenues increased 155% from $2.4 million in 1998 to $6.2 million
in 1999. Installation and training revenues grew primarily due to an increase in
license revenues. Maintenance revenues increased as the customer base has grown
from 168 customer sites as of December 31, 1998 to over 325 customer sites as of
December 31, 1999. As a percentage of total revenues, services revenues
increased from 18.4% in 1998 to 27.1% in 1999.

     Hardware revenues decreased from $2.2 million in 1998 to $46,000 in 1999.
The Company discontinued the sale of hardware during the first quarter of 1999.
As a percentage of total revenues, hardware revenues decreased from 16.3% in
1998 to 0.2% in 1999.

                                       18
<PAGE>   20

  Cost of Revenues

     Total cost of revenues decreased 19% from $5.3 million in 1998 to $4.3
million in 1999, primarily due to the discontinuance of hardware sales. Also,
Witness improved its services margin primarily through improved project
management. Cost of revenues as a percentage of total revenues decreased from
40% in 1998 to 18.7% in 1999, primarily due to the discontinuation of hardware
sales. The Company expects, however, that over time the total cost of revenues
as a percentage of total revenues will increase as the percentage of license
revenues as a percentage of total revenues decreases.

     Cost of license revenues increased 5% from $310,000 in 1998 to $327,000 in
1999, due to increased royalties for third party software caused by an increase
in license revenues. Cost of license revenues as a percentage of total revenues
decreased from 2.3% in 1998 to 1.4% in 1999.

     Cost of services revenues increased 55% from $2.5 million in 1998 to $3.9
million in 1999. This increase was a result of increases in the number of
employees engaged in installation, training and customer maintenance services.
Cost of services revenues as a percentage of total revenues decreased from 19.0%
in 1998 to 17.1% in 1999. Cost of services revenue as a percentage of services
revenues was 103% in 1998 and 63% in 1999. This improvement in services margin
was mainly due to improved project management for installation services and, to
a lesser extent, fewer employees engaged in maintenance services per customer.
The Company expects to continue to hire additional service personnel, however,
and anticipates that cost of services revenues will increase in both absolute
dollars and as a percentage of total revenues.

     Hardware cost of revenues decreased from $2.5 million in 1998 to $46,000 in
1999. This decrease was due to the discontinuance of hardware sales in the first
quarter of 1999. Hardware cost of revenues decreased from 18.7% of total
revenues in 1998 to 0.2% of total revenues in 1999.

  Operating Expenses

     Sales and Marketing.  Sales and marketing expenses increased 88% from $6.1
million in 1998 to $11.6 million in 1999. The increase in sales and marketing
expenses was principally related to an increase in sales personnel and, to a
lesser extent, an increase in marketing program expenses. As a percentage of
total revenues, sales and marketing expenses increased from 46.2% in 1998 to
50.4% in 1999. The Company expects that the absolute dollar amount of sales and
marketing expenses will continue to increase due to the planned growth of its
sales force, including the establishment of additional sales offices both
domestically and internationally in Europe and Asia. Witness also expects
additional increases in advertising and marketing programs and other promotional
activities and anticipates that sales and marketing expenses will vary as a
percentage of total revenues from period to period.

     Research and Development.  Research and development expenses increased 64%
from $3.5 million in 1998 to $5.8 million in 1999, primarily due to an increase
in the number of employees and consultants engaged in research and development
activities. As a percentage of total revenues, research and development expenses
decreased from 26.5% in 1998 to 25.2% in 1999. The Company expects research and
development expenses to increase in amount as it continues to commit substantial
resources to enhancing existing product functionality and to developing new
products.

     General and Administrative.  General and administrative expenses increased
76% from $2.1 million in 1998 to $3.8 million in 1999, primarily due to an
increase in the number of employees and related expenses in the executive,
finance and administrative functions to manage growth. As a percentage of total
revenues, general and administrative expenses increased from 16.1% in 1998 to
16.4% in 1999. Witness expects general and administrative costs to increase in
absolute amount as it continues to add infrastructure to support a larger
organization, continue to invest in its international expansion and incur costs
related to being a publicly-held company.

     During 1998, the Company incurred a $900,000 charge to terminate a
distributor agreement. The Company incurred other personnel costs of $678,000 in
1999, which related to severance payments for terminated executives as well as a
bonus and relocation costs in connection with recruiting a new executive.

                                       19
<PAGE>   21

     Acquired In-Process Research and Development.  In September 1999, the
Company acquired technology to store and retrieve substantially larger volumes
of data than its existing software was currently capable of storing and
retrieving in exchange for shares of Witness' common stock valued at $3.5
million. The Company has accounted for the purchase price as acquired in-process
research and development expense because, at the date of the transaction, the
in-process research and development acquired by Witness related to the
development of technology not possessed by Witness and the results of this
in-process research and development had not progressed to a stage where they met
technological feasibility as defined by SFAS No. 86, Accounting for the Cost of
Computer Software to Be Sold, Leased or Otherwise Marketed. As this was the
Company's first attempt to develop this type of technology, there existed a
significant amount of uncertainty as to the Company's ability to complete the
development of a product which would achieve market acceptance within a
reasonable timeframe. Additionally, the amount of development required to enable
the acquired in-process research and development to be compatible with the
Company's primary product will continue to be significant, which increased the
uncertainty surrounding its successful development. Witness estimates it would
have cost more than $3.5 million to develop the in-process research and
development internally and estimates an additional cost of $3.3 million to
complete its development efforts. The in-process research and development does
not have an alternative future use to Witness that has reached technological
feasibility.

  Interest Expense, Net

     Net interest expense increased from $31,000 in 1998 to $364,000 in 1999 due
to an increase in borrowings under the then existing credit facilities.

  Provision for Income Taxes

     No provision for federal, state or foreign income taxes has been recorded
as the Company incurred net operating losses for both periods presented. Witness
has recorded a full valuation allowance against the deferred tax asset generated
as a result of these net operating loss carryforwards, as the future realization
of the tax benefit is not currently considered more likely than not.

YEAR ENDED DECEMBER 31, 1997 COMPARED TO YEAR ENDED DECEMBER 31, 1998

  Revenues

     Total revenues increased 115% from $6.2 million in 1997 to $13.3 million in
1998, primarily due to an increase in license revenues. License revenues
increased 130% from $3.8 million in 1997 to $8.7 million in 1998. The increase
in license revenues was primarily the result of a growing market awareness of
the Company's products and, to a lesser extent, an expanded sales force.
Further, during 1997 and 1998, 49% and 45%, respectively, of license revenues
were attributable to new customers, while 51% and 55%, respectively, were
attributable to add-on sales associated with the existing customer base. As a
percentage of total revenues, license revenues increased from 61.0% in 1997 and
to 65.3% in 1998.

     Services revenues increased 115% from $1.1 million in 1997 to $2.4 million
in 1998. Installation and training revenues grew primarily due to an increase in
license revenues, and maintenance revenues grew primarily due to an increase in
customers. As a percentage of total revenues, services revenues were 18.4% in
1997 and 1998.

     Hardware revenues increased 71% from $1.3 million in 1997 to $2.2 million
in 1998. The increase in hardware revenues was a result of the increased number
of customer sites licensing the Company's software over the same period. As a
percentage of total revenues, hardware revenues decreased from 20.6% in 1997 to
16.3% in 1998.

  Cost of Revenues

     Total cost of revenues increased 81% from $2.9 million in 1997 to $5.3
million in 1998. The increase in total cost of revenues was related to the
increase in total revenues. Total cost of revenues as a percentage of

                                       20
<PAGE>   22

total revenues decreased from 47.6% in 1997 to 40.0% in 1998, primarily due to
the fact that higher margin license revenues grew at a faster rate than lower
margin hardware revenues.

     Cost of license revenues increased from $164,000 in 1997 to $310,000 in
1998. This increase was due to increased royalties for third party software
caused by an increase in license revenues. Cost of license revenues as a
percentage of total revenues decreased from 2.7% in 1997 to 2.3% in 1998.

     Cost of services revenues increased 110% from $1.2 million in 1997 to $2.5
million in 1998. This increase was a result of increases in the number of
employees engaged in installation, training and customer maintenance services.
Cost of services revenues as a percentage of total revenues decreased from 19.4%
in 1997 to 19.0% in 1998. Cost of services revenues as a percentage of services
revenues was 106% in 1997 and 103% in 1998. This improvement in services margin
was mainly due to improved project management for installation services and, to
a lesser extent, fewer employees engaged in maintenance services per customer.

     Hardware cost of revenues increased 58% from $1.6 million in 1997 to $2.5
million in 1998. These increases in hardware cost of revenues related to the
growth in hardware revenues. Hardware cost of revenues as a percentage of total
revenues decreased from 25.5% of total revenues in 1997 to 18.7% in 1998. Cost
of hardware revenues as a percentage of hardware revenues was 124% in 1997 and
114% in 1998. This improvement in hardware margin was a result of increased
pricing for hardware. The Company discontinued sales of hardware during the
first quarter of 1999.

  Operating Expenses

     Sales and Marketing.  Sales and marketing expenses increased 205% from $2.0
million in 1997 to $6.1 million in 1998. The increase in sales and marketing
expenses was principally related to an increase in sales personnel and, to a
lesser extent, an increase in marketing program expenses. As a percentage of
total revenues, sales and marketing expenses were 32.6% in 1997 and 46.2% in
1998. These percentage increases were primarily due to an increase in sales
personnel.

     Research and Development.  Research and development expenses increased 94%
from $1.8 million in 1997 to $3.5 million in 1998. The increase in absolute
dollars was primarily due to an increase in the number of employees and
consultants engaged in research and development activities. As a percentage of
total revenues, research and development expenses were 29.4% in 1997 and 26.5%
in 1998. These percentage decreases were due to revenue growing faster than
research and development expenses.

     General and Administrative.  General and administrative expenses increased
27% from $1.7 million in 1997 to $2.1 million in 1998. The increase in absolute
dollars was primarily attributable to increased salary and related expenses in
the executive, finance and administrative functions to manage the Company's
growth. As a percentage of total revenues, general and administrative expenses
were 27.2% in 1997 and 16.1% in 1998. These percentage decreases were due to
revenues growing faster than general and administrative expenses. During 1998,
the Company incurred a $900,000 charge to terminate a distribution agreement.

  Interest Income (Expense), Net

     Net interest income decreased from $62,000 in 1997 to $31,000 in interest
expense in 1998 due to long-term debt the Company entered into during the latter
portion of 1998.

                                       21
<PAGE>   23

QUARTERLY RESULTS OF OPERATIONS

     The following tables present unaudited quarterly statements of operations
data for each of the last eight quarters in the period ended December 31, 1999,
as well as the percentage of total revenues represented by each item. The
information has been derived from the Company's unaudited consolidated financial
statements, which have been prepared on substantially the same basis as the
audited consolidated financial statements contained in this report. The
unaudited consolidated financial statements contain all adjustments, consisting
only of normal recurring adjustments, that the Company considers to be necessary
to present fairly this information when read in conjunction with the
consolidated financial statements and notes thereto appearing elsewhere in this
report. The results of operations for any quarter are not necessarily indicative
of the results to be expected for any future period.

<TABLE>
<CAPTION>
                                                                        THREE MONTHS ENDED
                                 ------------------------------------------------------------------------------------------------
                                 MARCH 31,    JUNE 30,    SEPT. 30,    DEC. 31,    MARCH 31,    JUNE 30,    SEPT. 30,    DEC. 31,
                                   1998         1998        1998         1998        1999         1999        1999         1999
                                 ---------    --------    ---------    --------    ---------    --------    ---------    --------
                                                                          (IN THOUSANDS)
<S>                              <C>          <C>         <C>          <C>         <C>          <C>         <C>          <C>
Revenues:
  License....................     $ 1,639      $2,130      $ 1,957      $2,956      $ 3,091      $3,484      $ 4,436      $5,695
  Services...................         448         466          743         787        1,091       1,294        1,694       2,142
  Hardware...................         614         522          614         421           46          --           --          --
                                  -------      ------      -------      ------      -------      ------      -------      ------
        Total revenues.......       2,701       3,118        3,314       4,164        4,228       4,778        6,130       7,837
Cost of revenues:
  License....................          37         101           80          92          102          83           73          69
  Services...................         596         592          675         663          730         818        1,048       1,324
  Hardware...................         733         581          681         487           46          --           --          --
                                  -------      ------      -------      ------      -------      ------      -------      ------
        Total cost of
          revenues...........       1,366       1,274        1,436       1,242          878         901        1,121       1,393
                                  -------      ------      -------      ------      -------      ------      -------      ------
Gross profit.................       1,335       1,844        1,878       2,922        3,350       3,877        5,009       6,444
Operating expenses:
  Sales and marketing........       1,211       1,403        1,622       1,911        2,139       2,502        2,768       4,169
  Research and development...         646         833          906       1,144        1,124       1,334        1,682       1,641
  General and
    administrative...........         508         438          512         683          785         768        1,003       1,221
  Charge for termination of
    distribution agreement...         900          --           --          --           --          --           --          --
  Acquired in-process
    research and
    development..............          --          --           --          --           --          --        3,506          --
  Other personnel costs......          --          --           --          --          350          --          315          13
                                  -------      ------      -------      ------      -------      ------      -------      ------
Operating loss...............      (1,930)       (830)      (1,162)       (816)      (1,048)       (727)      (4,265)       (600)
Interest expense, net........          (8)         (7)         (11)         (5)         (19)        (72)        (229)        (44)
                                  -------      ------      -------      ------      -------      ------      -------      ------
Loss before provision for
  income taxes...............      (1,938)       (837)      (1,173)       (821)      (1,067)       (799)      (4,494)       (644)
Provision for income taxes...          --          --           --          --           --          --           --          --
                                  -------      ------      -------      ------      -------      ------      -------      ------
        Net loss.............     $(1,938)     $ (837)     $(1,173)     $ (821)     $(1,067)     $ (799)     $(4,494)     $ (644)
                                  =======      ======      =======      ======      =======      ======      =======      ======

Revenues:
  License....................        60.7%       68.4%        59.1%       71.0%        73.1%       72.9%        72.4%       72.7%
  Services...................        16.6        14.9         22.4        18.9         25.8        27.1         27.6        27.3
  Hardware...................        22.7        16.7         18.5        10.1          1.1          --           --          --
                                  -------      ------      -------      ------      -------      ------      -------      ------
        Total revenues.......       100.0       100.0        100.0       100.0        100.0       100.0        100.0       100.0
                                  -------      ------      -------      ------      -------      ------      -------      ------
Cost of revenues:
  License....................         1.4         3.2          2.4         2.2          2.4         1.7          1.2         0.9
  Services...................        22.1        19.1         20.4        15.9         17.3        17.2         17.1        16.9
  Hardware...................        27.1        18.6         20.5        11.7          1.1          --           --          --
                                  -------      ------      -------      ------      -------      ------      -------      ------
        Total cost of
          revenues...........        50.6        40.9         43.3        29.8         20.8        18.9         18.3        17.8
                                  -------      ------      -------      ------      -------      ------      -------      ------
Gross profit.................        49.4        59.1         56.7        70.2         79.2        81.1         81.7        82.2
Operating expenses:
  Sales and marketing........        44.9        45.0         49.0        45.9         50.5        52.3         45.2        53.2
  Research and development...        23.9        26.7         27.4        27.5         26.6        27.9         27.4        21.0
  General and
    administrative...........        18.8        14.0         15.4        16.4         18.6        16.1         16.4        15.6
</TABLE>

                                       22
<PAGE>   24

<TABLE>
<CAPTION>
                                                                        THREE MONTHS ENDED
                                 ------------------------------------------------------------------------------------------------
                                 MARCH 31,    JUNE 30,    SEPT. 30,    DEC. 31,    MARCH 31,    JUNE 30,    SEPT. 30,    DEC. 31,
                                   1998         1998        1998         1998        1999         1999        1999         1999
                                 ---------    --------    ---------    --------    ---------    --------    ---------    --------
                                                                          (IN THOUSANDS)
<S>                              <C>          <C>         <C>          <C>         <C>          <C>         <C>          <C>
  Charge for termination of
    distribution agreement...        33.3%         --%          --%         --%          --%         --%          --%         --%
  Acquired in-process
    research and
    development..............          --          --           --          --           --          --         57.2          --
  Other personnel costs......          --          --           --          --          8.3          --          5.1         0.1
                                  -------      ------      -------      ------      -------      ------      -------      ------
Operating loss...............       (71.5)      (26.6)       (35.1)      (19.6)       (24.8)      (15.2)       (69.6)       (7.7)
Interest expense, net........        (0.3)       (0.2)        (0.3)       (0.1)        (0.4)       (1.5)        (3.7)       (0.5)
                                  -------      ------      -------      ------      -------      ------      -------      ------
Loss before provision for
  income taxes...............       (71.8)      (26.8)       (35.4)      (19.7)       (25.2)      (16.7)       (73.3)       (8.2)
Provision for income taxes...          --          --           --          --           --          --           --          --
                                  -------      ------      -------      ------      -------      ------      -------      ------
        Net loss.............       (71.8)%     (26.8)%      (35.4)%     (19.7)%      (25.2)%     (16.7)%      (73.3)%      (8.2)%
                                  =======      ======      =======      ======      =======      ======      =======      ======
</TABLE>

     License revenues as a percentage of total revenues experienced an upward
trend during 1998 and leveled off during 1999. Services revenues as a percentage
of total revenues varied from quarter to quarter in 1998 and leveled-off in 1999
due primarily to the discontinuance of hardware sales and, to a lesser extent,
increased services revenues. Consistent with 1999, the Company expects the
relative amount of license revenues as compared to services revenues to
decrease, which will increase cost of revenues and decrease gross margin.
Witness discontinued the sale of hardware during the first quarter of 1999.

     The Company's quarterly revenues increased throughout 1998 and 1999
primarily as a result of growing market awareness of its products and, to a
lesser extent, an expanded sales force. Cost of revenues as a percentage of
revenues has trended down due primarily to the discontinuance of hardware sales
and, to a lesser extent, improvements in installation project management.
Operating expenses increased each quarter primarily as a result of the increase
in the number of employees engaged in sales and marketing and research and
development activities and, to a lesser extent, as a result of the growth
experienced in the executive, finance and administrative functions.

     Witness believes that its quarterly operating results may experience
seasonal fluctuations in the future. For instance, quarterly results may
fluctuate based on client calendar year budgeting cycles, slow summer purchasing
patterns in Europe and compensation policies that tend to compensate sales
personnel, typically in the latter half of the year, for achieving annual
quotas.

     As a result of the foregoing and other factors, Witness believes that
quarter-to-quarter comparisons of results are not necessarily meaningful, and
such comparisons should not be relied upon as indications of future performance.

LIQUIDITY AND CAPITAL RESOURCES

     On February 10, 2000, the Company completed its initial public offering
("IPO") whereby the Company issued 3.8 million shares at an offering price of
$20.00 per share. Simultaneously, the Company's underwriters exercised their
over-allotment option to issue an additional 570,000 shares, of which 212,269
shares were sold by the Company. Net proceeds to the Company were $74.8 million,
after deducting underwriting discounts and commissions and selling stockholders'
net proceeds. Since the IPO, the Company has repaid all of its long-term debt
totaling of $2.8 million, including $67,000 in prepayment penalties. The
remaining net proceeds are, by policy, being invested in fixed income
securities, including money market instruments, medium term notes and commercial
pages.

     Historically, the Company has funded its operations primarily through
private sales of convertible preferred stock totaling $20.4 million and, to a
lesser extent, from debt financing. As of December 31, 1999, the Company had
$2.6 million in cash and negative working capital of $5.7 million.

     The principal use of cash to date has been to fund the Company's losses
from operations and to purchase furniture and equipment. Also, during 1997, 1998
and 1999, the Company purchased treasury shares totaling $3.7 million, $1.9
million and $5.4 million, respectively.

                                       23
<PAGE>   25

     During 1998, the Company's financing agreement with Silicon Valley Bank
(the "Bank") was amended and Witness obtained a new equipment line of credit
with the Bank. As of December 31, 1998, the aggregate advances made under the
equipment line of credit were $1.0 million and the balance outstanding on a term
note was $593,000. In connection with the amended financing agreement, the
Company issued the Bank a warrant to purchase 18,000 shares of Witness common
stock.

     In April 1999, the working capital line of credit was increased to the
lesser of $4.0 million or 75% of net eligible accounts receivable through August
1999. In connection with this increase, the original Silicon Valley Bank
warrants were cancelled, and the Company issued warrants to the Bank to purchase
20,000 shares of the Company's series B convertible preferred stock for $4.65
per share, which are exercisable into 36,000 shares of Witness common stock at
an exercise price of $2.58 per share.

     In June 1999, the Company refinanced all of its then existing borrowings
with Greyrock Capital, a division of NationsCredit Commercial Corporation. Under
the terms of the new loan and security agreement, the Company obtained a $2.0
million secured term loan, a $1.0 million secured equipment loan and a $4.0
million working capital line of credit. In connection with the loan agreement,
the Company issued to Greyrock Capital a warrant to purchase 117,000 shares of
Witness common stock for $2.58 per share.

     In February 2000, the Company repaid its borrowings from Greyrock Capital
using a portion of the proceeds from the IPO and recorded a charge of
approximately $248,000 due to the write-off of an unamortized debt discount and
deferred financing fees and the payment of a $67,000 prepayment penalty. The
Company also terminated its loan and security agreement with Greyrock Capital.

     The Company intends to use the IPO net proceeds primarily to fund its sales
and marketing and research and development expenses in the year 2000. The
Company expects to use the remaining net IPO proceeds to fund its operating
deficits and other working capital needs and for general corporate purposes,
including the development of its product lines through acquisitions of products,
technologies and businesses.

     The Company expects to have capital expenditures of approximately $2.0
million in the year 2000. The Company also anticipates that its capital
expenditures will increase over the next several years as Witness expands its
facilities and acquires equipment to support expansion of its sales and
marketing and research and development activities.

     The Company believes that its existing cash and cash equivalents, offset by
cash used in operating activities, will be sufficient to meet its anticipated
cash needs for working capital and capital expenditures for at least the next 12
months. If cash generated from operations is insufficient to satisfy its
liquidity requirements, the Company may seek to sell additional equity or debt
securities or establish new financing arrangements. The sale of additional
equity or convertible debt securities could result in additional dilution to the
Company's stockholders. The Company cannot assure that any financing
arrangements will be available in amounts or on terms acceptable to it.

YEAR 2000 READINESS

     Some computers, software and associated equipment include programming code
in which calendar year data is abbreviated to only two digits. As a result of
this design decision, some of these systems could fail to operate or fail to
produce correct results if, for example, 00 is interpreted to mean 1900 rather
than 2000. These problems are commonly referred to as the Year 2000 problem.
Although it was widely expected that the Year 2000 problem would affect most
systems beginning on January 1, 2000, to date, neither Witness nor, to its
knowledge, the Company's customers who use its software have experienced any
material Year 2000 problems. However, it is widely believed that there is a
continued risk of Year 2000 problems which may arise during the first three
months of the calendar year 2000.

     Witness, to date, has identified no material Year 2000 compliance issues
with its products as currently licensed. However, the Company's products operate
in complex network environments and directly and indirectly interact with a
number of other hardware and software systems. The Company did not separately
track expenditures to achieve Year 2000 readiness. Those expenditures were
absorbed within the development organization. To date, costs related to Year
2000 readiness have not been material relative to the Company's
                                       24
<PAGE>   26

overall development expenditures. Furthermore, based on the Company's experience
to date, the Company does not anticipate that costs associated with remediating
non-compliant products or internal systems will be material.

NEW ACCOUNTING PRONOUNCEMENTS

     In June 1998, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standards ("SFAS") No. 133, Accounting for Derivative
Instruments and Hedging Activities. SFAS No. 133 establishes accounting and
reporting standards for derivative instruments, including derivative instruments
embedded in other contracts, and for hedging activities. SFAS No. 133 is
effective for all fiscal years beginning after June 15, 1999. Subsequently, the
effective date was deferred until June 15, 2000. The Company is in the process
of evaluating this pronouncement, will adopt it upon its effective date and has
not currently reached a conclusion concerning its impact, if any, on the
Company.

     In December 1998, the AICPA issued SOP 98-9, Modification of SOP 97-2,
Software Revenue Recognition, with Respect to Certain Transactions. This SOP
amends SOP 97-2 to, among other things, require recognition of revenue using the
"residual method" in circumstances outlined in the SOP. Under the residual
method, revenue is recognized as follows: (1) the total fair value of
undelivered elements, as indicated by vendor-specific objective evidence, is
deferred and subsequently recognized in accordance with the relevant sections of
SOP 97-2, and (2) the difference between the total arrangement fee and the
amount deferred for the undeliverable elements is recognized as revenue related
to the deliverable elements. SOP 98-9 is effective for fiscal years beginning
after March 15, 1999. The Company does not anticipate any material impact from
the provisions of the new pronouncement on its results of operations.

FORWARD-LOOKING STATEMENTS

     In addition to historical information, this annual report on Form 10-K
contains forward-looking statements that involve risks and uncertainties that
could cause actual results to differ materially from those projected. Factors
that might cause or contribute to such differences include, but are not limited
to, those discussed in this section entitled "Management's Discussion and
Analysis of Consolidated Financial Condition and Results of Operations" and
those discussed in Exhibit 99.1 of this report. Readers are cautioned not to
place undue reliance on the forward-looking statements, including statements
regarding the Company's expectations, beliefs, intentions or strategies
regarding the future, which speak only as of the date of this annual report on
Form 10-K. The Company undertakes no obligation to release publicly any updates
to the forward-looking statements included herein after the date of this
document.

ITEM 7A.  QUALITATIVE AND QUANTITATIVE DISCLOSURES ABOUT MARKET RISK

     The Company has not conducted transactions, established commitments or
entered into relationships requiring disclosures beyond those provided elsewhere
in this Form 10-K.

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

     The Company's consolidated financial statements, together with related
notes and the report of KPMG LLP, the Company's independent auditors, are set
forth on the pages indicated in Item 14.

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

     None.

                                       25
<PAGE>   27

                                    PART III

     Certain information required by Part III is omitted from this Report in
that the Company will file a definitive proxy statement within 120 days after
the end of this fiscal year pursuant to Regulation 14A (the "Proxy Statement")
for its 2000 Annual Meeting of Stockholders proposed to be held on May 18, 2000
and the information included therein is incorporated herein by reference.

ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF REGISTRANT

     The information required by this Item is incorporated by reference to the
Proxy Statement under the headings "Election of Directors" and "Executive
Compensation".

ITEM 11.  EXECUTIVE COMPENSATION

     The information required by this Item is incorporated by reference to the
Proxy Statement under the heading "Executive Compensation".

ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

     The information required by this Item is incorporated by reference to the
Proxy Statement under the heading "Security Ownership of Certain Beneficial
Owners and Management".

ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.

     The information required by this Item is incorporated by reference to the
Proxy Statement under the heading "Executive Compensation".

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

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

<TABLE>
<CAPTION>
                                                              PAGE
                                                              ----
<S>                                                           <C>
1. Financial Statements

   Independent Auditors' Report.............................   F-2
   Consolidated Balance Sheets..............................   F-3
   Consolidated Statements of Operations....................   F-4
   Consolidated Statements of Stockholders' Equity
  (Deficit).................................................   F-5
   Consolidated Statements of Cash Flows....................   F-6

   Notes to Consolidated Financial Statements...............   F-7

2. Financial Statement Schedule

   Schedule II -- Valuation and Qualifying Accounts.........  F-21
</TABLE>

(b) Reports on Form 8-K:

     No reports on Form 8-K were filed by the Registrant during the fiscal year
ended December 31, 1999.

ITEM 14(C)  EXHIBITS

<TABLE>
<CAPTION>
EXHIBIT
NUMBER                                 DESCRIPTION
- -------                                -----------
<C>       <S>  <C>
 3.1(1)   --   Amended and Restated Articles of Incorporation of the
               Registrant.
 3.3(1)   --   Amended and Restated Bylaws of the Registrant.
</TABLE>

                                       26
<PAGE>   28

<TABLE>
<CAPTION>
EXHIBIT
NUMBER                                 DESCRIPTION
- -------                                -----------
<C>       <S>  <C>
 4.1(1)   --   See Exhibits 3.1 and 3.3 for provisions of the Amended and
               Restated Articles of Incorporation and Amended and Restated
               Bylaws of the Registrant defining rights of the holders of
               Common Stock of the Registrant.
 4.2(1)   --   Specimen Stock Certificate.
10.1(1)   --   Office Lease Agreements between Regency Park West
               Associates, L.P. and Witness Systems, Inc., dated April 15,
               1997.
10.2(1)   --   Landlord's Consent to Second Sublease, dated June 2, 1999
               and Second Sublease Agreement between Regency Park West
               Associates, L.P., as Landlord and Witness Systems, Inc., as
               Second Sublessee, dated May 28, 1999.
10.3(1)   --   Amended and Restated Stock Incentive Plan of the Registrant.
10.4(1)   --   Form of Stock Option Grant Certificate.
10.5(1)   --   Form of Amendment to Stock Option Grant Certificate between
               Registrant and certain of the officers of the Registrant.
10.6*     --   Employee Stock Purchase Plan of the Registrant.
10.7(1)   --   Employment Agreement entered into between David B. Gould and
               the Registrant, effective February 2, 1999.
10.8(1)   --   Promissory Note, dated March 31, 1999, between the
               Registrant and David Gould.
10.9(1)   --   Restricted Stock Award Agreement, dated March 31, 1999,
               between the Registrant and David Gould.
10.10(1)  --   Form of Promissory Note and Subscription Agreement, dated
               August 2, 1999, between the Registrant and certain of the
               officers of the Registrant.
10.11(1)  --   Promissory Note and Subscription Agreement, dated August 2,
               1999, between the Registrant and John Abraham.
10.12(1)  --   Form of Stock Repurchase Agreement between the Registrant
               and certain shareholders of the Registrant.
10.13(1)  --   Warrant to Purchase Stock, dated June 29, 1999 between
               Greyrock Capital and the Registrant.
10.14(1)  --   Warrant to Purchase Stock, dated April 22, 1999 between
               Silicon Valley Bank and the Registrant.
10.15(1)  --   Amended and Restated Registration Rights Agreement, dated as
               of August 2, 1999, as amended, among the Registrant and
               certain shareholders of the Registrant.
10.16(1)  --   Subsidiary License and Distribution Agreement.
10.17(1)  --   Form of Indemnification Agreement to be entered into between
               Registrant and each of its executive officers and directors.
10.18(1)  --   Amendment No 1 to Employment Agreement entered into between
               David B. Gould and the Registrant, dated as of August 2,
               1999.
21.1*     --   List of subsidiaries.
23.1*     --   Independent Auditors' Consent and Report on Financial
               Statement Schedule of KPMG LLP.
27.1*     --   Financial Data Schedule (for SEC use only).
99.1*     --   Risk Factors.
</TABLE>

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

  * Filed herewith
(1) Incorporated by reference to exhibits previously filed with the Company's
    Registrant Statement on Form S-1 (File No. 333-91383)

                                       27
<PAGE>   29

                             WITNESS SYSTEMS, INC.

                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

<TABLE>
<CAPTION>
                                                              PAGE
                                                              ----
<S>                                                           <C>
Independent Auditors' Report................................  F-2
Consolidated Balance Sheets as of December 31, 1998 and
  1999......................................................  F-3
Consolidated Statements of Operations for the Years ended
  December 31, 1997, 1998, and 1999.........................  F-4
Consolidated Statements of Stockholders' Deficit for the
  Years ended December 31, 1997, 1998, and 1999.............  F-5
Consolidated Statements of Cash Flows for the Years ended
  December 31, 1997, 1998, and 1999.........................  F-6
Notes to Consolidated Financial Statements..................  F-7
</TABLE>

                                       F-1
<PAGE>   30

                          INDEPENDENT AUDITORS' REPORT

The Board of Directors
Witness Systems, Inc.:

     We have audited the accompanying consolidated balance sheets of Witness
Systems, Inc. and subsidiary (the "Company") as of December 31, 1998 and 1999,
and the related consolidated statements of operations, stockholders' deficit and
cash flows for each of the years in the three-year period ended December 31,
1999. These consolidated financial statements are the responsibility of the
Company's management. Our responsibility is to express an opinion on these
consolidated financial statements based on our audits.

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

     In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the financial position of Witness
Systems, Inc. and subsidiary at December 31, 1998 and 1999, and the results of
their operations and their cash flows for each of the years in the three-year
period ended December 31, 1999 in conformity with generally accepted accounting
principles.

Atlanta, Georgia
February 21, 2000

                                       F-2
<PAGE>   31

                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

                          CONSOLIDATED BALANCE SHEETS

<TABLE>
<CAPTION>
                                                                 DECEMBER 31,
                                                              -------------------
                                                                1998       1999
                                                              --------   --------
                                                                (IN THOUSANDS,
                                                              EXCEPT SHARE DATA)
<S>                                                           <C>        <C>
                                     ASSETS
Current assets:
  Cash and cash equivalents.................................  $   912    $ 2,630
  Accounts receivable, net of allowance for doubtful
    accounts of $300 in 1998 and $438 in 1999...............    2,464      4,015
Prepaid and other current assets............................       58      1,023
                                                              -------    -------
         Total current assets...............................    3,434      7,668
Property and equipment, net.................................    1,535      1,947
Other assets................................................       57      1,228
                                                              -------    -------
                                                              $ 5,026    $10,843
                                                              =======    =======
       LIABILITIES, CONVERTIBLE PREFERRED STOCK, AND STOCKHOLDERS' DEFICIT
Current liabilities:
  Current portion of long-term debt.........................  $   491    $ 2,409
  Accounts payable..........................................      697      1,632
  Accrued expenses..........................................    1,939      5,642
  Deferred revenue..........................................    3,463      3,729
                                                              -------    -------
         Total current liabilities..........................    6,590     13,412
Long-term debt, net of current portion......................    1,102        250
                                                              -------    -------
         Total liabilities..................................    7,692     13,662
                                                              -------    -------
Convertible preferred stock, $.01 par value; redeemable;
  authorized 6,731,954 shares; stated at redemption value,
  net of unaccreted discount:
  Series A, 4,000,000 shares designated, 3,184,000 shares
    issued and outstanding; estimated redemption amount of
    $114,624 at December 31, 1999...........................    7,233      8,915
  Series B, 1,181,954 and 1,231,954 shares designated at
    December 31, 1998 and 1999, respectively; 1,181,954
    shares issued and outstanding at December 31, 1998 and
    1999; redemption amount of $5,496.......................    5,477      5,481
  Series C, 1,500,000 shares designated, 1,325,028 shares
    issued and outstanding at December 31, 1999; estimated
    redemption amount of $47,701 at December 31, 1999.......       --      8,441
                                                              -------    -------
         Total convertible preferred stock..................   12,710     22,837
                                                              =======    =======
Commitments and contingencies
Stockholders' deficit:
  Preferred stock, $0.01 par value; 10,000,000 shares
    authorized; no shares issued or outstanding.............  $    --    $    --
  Common stock, $.01 par value; 50,000,000 shares
    authorized; 8,206,240 and 10,316,696 shares issued at
    December 31, 1998 and 1999, respectively; 6,946,240 and
    6,876,912 shares outstanding at December 31, 1998 and
    1999, respectively......................................       82        103
Additional paid-in capital..................................      137      4,347
Accumulated deficit.........................................  (13,587)   (20,591)
Notes receivable for stock..................................     (108)    (2,594)
Treasury stock, 1,260,000 and 3,439,784 common shares at
  December 31, 1998 and 1999, respectively, at cost.........   (1,900)    (6,921)
                                                              -------    -------
         Total stockholders' deficit........................  (15,376)   (25,656)
                                                              -------    -------
                                                              $ 5,026    $10,843
                                                              =======    =======
</TABLE>

          See accompanying notes to consolidated financial statements.

                                       F-3
<PAGE>   32

                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

                     CONSOLIDATED STATEMENTS OF OPERATIONS
                 YEARS ENDED DECEMBER 31, 1997, 1998, AND 1999

<TABLE>
<CAPTION>
                                                                   1997          1998          1999
                                                                ----------    ----------    ----------
                                                                (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                                             <C>           <C>           <C>
Revenues:
  License...................................................     $ 3,775       $ 8,682       $16,706
  Services..................................................       1,138         2,444         6,221
  Hardware..................................................       1,271         2,171            46
                                                                 -------       -------       -------
          Total revenues....................................       6,184        13,297        22,973
                                                                 -------       -------       -------
Cost of revenues:
  License...................................................         164           310           327
  Services..................................................       1,204         2,526         3,920
  Hardware..................................................       1,574         2,482            46
                                                                 -------       -------       -------
          Total cost of revenues............................       2,942         5,318         4,293
                                                                 -------       -------       -------
          Gross profit......................................       3,242         7,979        18,680
Operating expenses:
  Sales and marketing.......................................       2,016         6,147        11,578
  Research and development..................................       1,817         3,529         5,781
  General and administrative................................       1,684         2,141         3,777
  Charge for termination of distribution agreement..........          --           900            --
  Acquired in-process research and development..............          --            --         3,506
  Other personnel costs.....................................          --            --           678
                                                                 -------       -------       -------
          Operating loss....................................      (2,275)       (4,738)       (6,640)
Interest income (expense), net..............................          62           (31)         (364)
                                                                 -------       -------       -------
          Loss before provision for income taxes............      (2,213)       (4,769)       (7,004)
Provision for income taxes..................................          --            --            --
                                                                 -------       -------       -------
          Net loss..........................................      (2,213)       (4,769)       (7,004)
Preferred stock dividends and accretion.....................         (84)         (502)       (1,815)
                                                                 -------       -------       -------
          Net loss applicable to common stockholders........     $(2,297)      $(5,271)      $(8,819)
                                                                 =======       =======       =======
Net loss per share (see Note 1(j) for pro forma net loss per
  share):
  Basic and diluted.........................................     $ (0.32)      $ (0.76)      $ (1.37)
                                                                 =======       =======       =======
  Basic and diluted weighted-average common shares
     outstanding............................................       7,238         6,964         6,424
                                                                 =======       =======       =======
</TABLE>

          See accompanying notes to consolidated financial statements.

                                       F-4
<PAGE>   33

                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT
                 YEARS ENDED DECEMBER 31, 1997, 1998, AND 1999

<TABLE>
<CAPTION>
                                        COMMON STOCK
                                       ---------------                                                   TREASURY STOCK
                                       NUMBER                                         NOTES      -------------------------------
                                         OF              ADDITIONAL                 RECEIVABLE   NUMBER
                                       SHARES             PAID-IN     ACCUMULATED      FOR         OF       AMOUNT
                                       ISSUED   AMOUNT    CAPITAL       DEFICIT       STOCK      SHARES    (AT COST)     TOTAL
                                       ------   ------   ----------   -----------   ----------   ------   -----------   --------
                                                                            (IN THOUSANDS)
<S>                                    <C>      <C>      <C>          <C>           <C>          <C>      <C>           <C>
BALANCES AT DECEMBER 31, 1996........  10,307    $103     $   583      $ (2,946)     $    --        --      $    --     $ (2,260)
Purchase and retirement of treasury
  stock..............................  (3,215)    (32)         --        (3,659)          --        --           --       (3,691)
Accretion on Series A convertible
  preferred stock....................     --       --         (30)           --           --        --           --          (30)
Dividends accrued on Series A
  convertible preferred stock........     --       --         (54)           --           --        --           --          (54)
Exercise of stock options............     55        1           6            --           --        --           --            7
Sale of restricted common stock for
  notes..............................    931        9          99            --         (108)       --           --           --
Net loss.............................     --       --          --        (2,213)          --        --           --       (2,213)
                                       ------    ----     -------      --------      -------     -----      -------     --------
BALANCES AT DECEMBER 31, 1997........  8,078       81         604        (8,818)        (108)       --           --       (8,241)
Common stock granted for services....     40       --          25            --           --        --           --           25
Purchase of treasury stock...........     --       --          --            --           --     1,260       (1,900)      (1,900)
Accretion on Series A and Series B
  convertible preferred stock........     --       --        (434)           --           --        --           --         (434)
Dividends accrued on Series A
  convertible preferred stock........     --       --         (68)           --           --        --           --          (68)
Exercise of stock options............     88        1          10            --           --        --           --           11
Net loss.............................     --       --          --        (4,769)          --        --           --       (4,769)
                                       ------    ----     -------      --------      -------     -----      -------     --------
BALANCES AT DECEMBER 31, 1998........  8,206       82         137       (13,587)        (108)    1,260       (1,900)     (15,376)
Accretion on Series A, Series B, and
  Series C convertible preferred
  stock..............................     --       --      (1,747)           --           --        --           --       (1,747)
Dividends accrued on Series A
  convertible preferred stock........     --       --         (68)           --           --        --           --          (68)
Exercise of stock options............    390        4         430            --         (333)       --           --          101
Fair value of common stock warrants
  issued.............................     --       --         275            --           --        --           --          275
Repurchase of common stock...........     --       --          --            --           --     1,800       (5,350)      (5,350)
Issuance of common stock for notes...    880        9       1,847            --       (2,261)     (270)         405           --
Fair value of shares issued for
  acquired in-process research and
  development........................    841        8       3,473            --           --        --           --        3,481
Forgiveness of note receivable for
  stock..............................     --       --          --            --          108       650          (76)          32
Net loss.............................     --       --          --        (7,004)          --        --           --       (7,004)
                                       ------    ----     -------      --------      -------     -----      -------     --------
BALANCES AT DECEMBER 31, 1999........  10,317    $103     $ 4,347      $(20,591)     $(2,594)    3,440      $(6,921)    $(25,656)
                                       ======    ====     =======      ========      =======     =====      =======     ========
</TABLE>

          See accompanying notes to consolidated financial statements.

                                       F-5
<PAGE>   34

                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                 YEARS ENDED DECEMBER 31, 1997, 1998, AND 1999

<TABLE>
<CAPTION>
                                                               1997      1998      1999
                                                              -------   -------   -------
                                                                    (IN THOUSANDS)
<S>                                                           <C>       <C>       <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss....................................................  $(2,213)  $(4,769)  $(7,004)
Adjustment to reconcile net loss to net cash used in
  operating activities:
  Depreciation and amortization of property and equipment...      258       743     1,248
  Stock issued for in-process research and development......       --        --     3,481
  Other noncash expenses....................................       --       225       400
  Changes in operating assets and liabilities:
     Accounts receivable....................................      528    (2,388)   (1,777)
     Prepaid expenses and other assets......................      (53)      (58)   (1,136)
     Inventory..............................................     (295)      587        --
     Accounts payable.......................................      288       236       935
     Accrued expenses.......................................     (112)    1,307     3,203
     Deferred revenue.......................................     (160)      972       266
                                                              -------   -------   -------
          Net cash flows used in operating activities.......   (1,759)   (3,145)     (384)
                                                              -------   -------   -------
CASH FLOWS USED IN INVESTING ACTIVITIES -- PURCHASE OF
  PROPERTY AND EQUIPMENT AND OTHER ASSETS...................   (1,073)   (1,324)   (2,160)
                                                              -------   -------   -------
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings on (repayments of) working capital line of
  credit....................................................    1,000    (1,000)       --
Proceeds from long-term debt................................      890     1,000     3,000
Repayments on long-term debt................................       --      (297)   (1,801)
Purchase of treasury shares.................................   (3,691)   (1,900)   (5,350)
Proceeds from exercise of stock options.....................        7        11       101
Proceeds from sale of Series A convertible preferred stock,
  net.......................................................    6,649        --        --
Proceeds from sale of Series B convertible preferred stock,
  net.......................................................       --     5,475        --
Proceeds from sale of Series C convertible preferred stock,
  net.......................................................       --        --     8,312
                                                              -------   -------   -------
          Net cash flows provided by financing activities...    4,855     3,289     4,262
                                                              -------   -------   -------
          Net change in cash and cash equivalents...........    2,023    (1,180)    1,718
Cash and cash equivalents at beginning of period............       69     2,092       912
                                                              -------   -------   -------
Cash and cash equivalents at end of period..................  $ 2,092   $   912   $ 2,630
                                                              =======   =======   =======
Supplemental disclosure of cash paid for interest...........  $    20   $    87   $   298
                                                              =======   =======   =======
</TABLE>

          See accompanying notes to consolidated financial statements.

                                       F-6
<PAGE>   35

                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        DECEMBER 31, 1997, 1998 AND 1999

(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES

  (a) Description of Business

     Witness Systems, Inc. develops, markets and licenses business-driven
multimedia recording and analysis software that enables customer contact centers
to record and evaluate customer interactions across multiple communications
media. It is headquartered in Alpharetta, Georgia with other offices in the
United States, Canada, and the United Kingdom.

     The Company was originally incorporated as a Georgia corporation ("Witness
Georgia") on May 26, 1988. Witness Systems Delaware, Inc., a Delaware
corporation ("Witness Delaware"), was incorporated on March 13, 1997 to effect a
merger with Witness Georgia. Effective March 14, 1997, the Board of Directors
approved an Agreement and Plan of Merger to merge Witness Georgia with Witness
Delaware. The surviving entity, Witness Systems Delaware, Inc. filed for a
corporate name change to Witness Systems, Inc. on March 18, 1997. These
financial statements reflect the financial position and results of operations
for both entities (the "Company") for all periods presented.

  (b) Principles of Consolidation

     The consolidated financial statements include the financial statements of
the Company and its wholly owned subsidiary, Witness Systems UK Limited. All
significant intercompany balances and transactions have been eliminated in
consolidation.

  (c) Revenue Recognition and Deferred Revenue

     The Company recognizes revenue in accordance with Statement of Position
("SOP") 97-2, Software Revenue Recognition, and SOP 98-4, Deferral of the
Effective Date of a Provision of SOP 97-2. Revenue is derived from the sale of
software licenses, hardware, and software services and is allocated to each
element of the arrangement based on the relative fair values of the elements,
which is established by the price charged when the respective element is sold
separately.

     Revenue from license fees and hardware is recognized when persuasive
evidence of an agreement exists, delivery of the product has occurred, the fee
is fixed or determinable and collectibility is probable. Because contracts often
contained substantive acceptance criteria, the Company deferred revenue
recognition until written acceptance was obtained or full payment was received
for periods prior to 1998.

     Software services include installation, training, and maintenance. Revenues
from installation and training are recognized upon performance of the related
services. Installation and training services are offered and billed as separate
elements of contracts and are not essential to the functionality of the
software.

     Maintenance is offered as a separate element and includes the right to
unspecified upgrades on a when-and-if available basis. Maintenance revenue is
deferred and recognized ratably over the term of the related contract, usually
one year. Specified upgrades are not typically offered to customers.

     In December 1998, the Accounting Standards Committee of the American
Institute of Certified Public Accountants issued SOP 98-9, Software Revenue
Recognition with Respect to Certain Transactions. SOP 98-9 is effective for
fiscal years beginning after March 15, 1999 and the Company does not expect a
material change to its accounting for revenues as a result of adopting the
provisions of SOP 98-9.

     Accounts receivable include amounts due from customers for which revenue
has been recognized. Deferred revenue consists of amounts collected from
customers for license and software services that have not met the criteria for
revenue recognition.

                                       F-7
<PAGE>   36
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

  (d) Cash Equivalents

     The Company considers all highly liquid debt instruments with original
maturities of three months or less to be cash equivalents.

  (e) Prepaid and Other Current Assets

     Prepaid and other current assets consist principally of deposits and
prepayments of certain operating expenses. Included in prepaid and other assets
at December 31, 1999 is $0.5 million of prepaid costs related to the Company's
subsequent initial public offering (note 12).

  (f) Property and Equipment

     Property and equipment are stated at cost, less accumulated depreciation
and amortization. Depreciation and amortization is calculated using the
straight-line method over the shorter of the estimated useful lives of the
assets or the lease term. The estimated useful lives of the assets are as
follows:

<TABLE>
<S>                                                       <C>
Equipment and purchased software........................  2 years
Furniture and fixtures..................................  5 years
Leasehold improvements..................................  3 years
</TABLE>

  (g) Research and Development and Software Development Costs

     Research and development costs are expensed as incurred. Costs incurred
subsequent to establishing technological feasibility, in the form of a working
model, are capitalized and amortized over their estimated useful lives. To date,
software development costs incurred after technological feasibility has been
established have not been material.

  (h) Income Taxes

     Income taxes are accounted for under the asset and liability method.
Deferred tax assets and liabilities are recognized for the future tax
consequences attributable to differences between the financial statement
carrying amounts of existing assets and liabilities and their respective tax
bases and operating loss and tax credit carryforwards. Deferred tax assets and
liabilities are measured using enacted tax rates expected to apply to taxable
income in the years in which those temporary differences are expected to be
recovered or settled. The effect on deferred tax assets and liabilities of a
change in tax rates is recognized in income in the period that includes the
enactment date.

  (i) Stock Compensation

     The Company applies the intrinsic value-based method of accounting
prescribed by Accounting Principles Board Opinion No. 25 ("APB No. 25"),
Accounting for Stock Issued to Employees, and related interpretations, in
accounting for its fixed plan stock options. As such, compensation expense is
recorded on the date of grant only if the current estimated fair value of the
underlying stock exceeds the exercise price. The Company has also provided pro
forma disclosures as if the fair value-based method of accounting prescribed by
Statement of Financial Accounting Standards ("SFAS") No. 123, Accounting for
Stock Based Compensation, had been used to account for its fixed plan stock
options (note 6(a)).

  (j) Computation of Historical and Unaudited Pro Forma Net Loss Per Share

     The Company has presented historical net loss per share pursuant to SFAS
No. 128, Earnings Per Share, and the Securities and Exchange Commission Staff
Accounting Bulletin ("SAB") No. 98. Pursuant to SFAS No. 128, unvested stock is
excluded from basic earnings per share and included in diluted earnings per
share if

                                       F-8
<PAGE>   37
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

dilutive. Pursuant to SAB No. 98, common stock and convertible preferred stock
issued for nominal consideration, prior to the effective date of an initial
public offering, are required to be included in the calculation of basic and
diluted net loss per share, as if they were outstanding for all periods
presented. The Company has not had any such issuances or grants for nominal
consideration.

     The unaudited pro forma net loss per share for the years ended December 31,
1998 and 1999 is calculated using the historical weighted-average common shares
outstanding and reflecting: (1) the subsequent conversion of Series A, Series B
and Series C convertible preferred stock, including conversion of accrued
dividends on the Series A convertible preferred stock, into shares of the
Company's common stock, as if such conversions had occurred on January 1, 1998,
or at the date of issuance, if later; and (2) the vesting of certain restricted
common shares held by an officer of the Company which became fully vested upon
the Company's initial public offering in February 2000, as if such vesting
became effective on the date such shares were issued. The numerator of the
calculation excludes preferred stock dividends and accretion of $502,000 and
$1,815,000 for the years ended December 31, 1998 and 1999, respectively.

     Following is a reconciliation of the numerator and denominator used in the
calculation of historical and pro forma basic and diluted net loss per share (in
thousands, except per share data):

<TABLE>
<CAPTION>
                                                              YEAR ENDED DECEMBER 31,
                                                            ---------------------------
                                                             1997      1998      1999
                                                            -------   -------   -------
<S>                                                         <C>       <C>       <C>
Historical:
  Net loss................................................  $(2,213)  $(4,769)  $(7,004)
  Preferred stock dividends and accretion.................      (84)     (502)   (1,815)
                                                            -------   -------   -------
  Net loss applicable to common stockholders..............  $(2,297)  $(5,271)  $(8,819)
                                                            =======   =======   =======
  Basic and diluted common shares outstanding.............    7,238     6,964     6,424
                                                            =======   =======   =======
  Basic and diluted net loss per share....................  $ (0.32)  $ (0.76)  $ (1.37)
                                                            =======   =======   =======
</TABLE>

<TABLE>
<CAPTION>
                                                                 YEAR ENDED
                                                                DECEMBER 31,
                                                              -----------------
                                                               1998      1999
                                                              -------   -------
<S>                                                           <C>       <C>
Unaudited pro forma:
  Historical basic and diluted common shares outstanding....    6,964     6,424
  Adjustment at December 31, 1999 to reflect the initial
     public offering:
     Conversion of Series A preferred stock.................    5,776     5,776
     Conversion of Series B preferred stock.................      533     2,128
     Conversion of Series C preferred stock.................       --       993
     Vesting of restricted common shares....................      126       434
                                                              -------   -------
          Pro forma basic and diluted common shares
            outstanding.....................................   13,399    15,755
                                                              =======   =======
Unaudited pro forma basic and diluted net loss per share....  $ (0.36)  $ (0.44)
                                                              =======   =======
</TABLE>

     The Company has excluded all convertible preferred stock, warrants for
common and preferred shares, nonvested restricted common shares, and outstanding
stock options from the calculation of historical diluted net loss per common
share because all such securities are anti-dilutive for the periods presented.
The total number of shares excluded from the calculations of diluted net loss
per share were 7,575,386, 10,304,502, and 14,014,876 for the years ended
December 31, 1997, 1998, and 1999, respectively. See notes 5 and 6 for further
information on these securities.

                                       F-9
<PAGE>   38
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

  (k) Segment Reporting

     Effective January 1, 1998, the Company adopted SFAS No. 131, Disclosures
about Segments of an Enterprise and Related Information. The Company operates
and manages its business in one segment, that being a software and services
provider to the customer interaction recording and analysis market.

  (l) Fair Value of Financial Instruments

     The fair value of the Company's long-term debt is estimated by discounting
the future cash flows of each instrument at rates estimated to be currently
available to the Company for similar instruments. The carrying value of the
Company's remaining financial instruments approximate fair value due to the
short-term nature of such instruments.

  (m) 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 and
disclosures of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.

  (n) Reclassifications

     Certain amounts in the accompanying 1997 and 1998 financial statements have
been reclassified to conform to the presentation adopted in the 1999 financial
statements.

(2) PROPERTY AND EQUIPMENT AND OTHER ASSETS

     Property and equipment consist of the following (in thousands):

<TABLE>
<CAPTION>
                                                               DECEMBER 31,
                                                              ---------------
                                                               1998     1999
                                                              ------   ------
<S>                                                           <C>      <C>
Equipment...................................................  $1,642   $2,580
Software....................................................     453      950
Furniture and fixtures......................................     451      638
Leasehold improvements......................................      32       70
                                                              ------   ------
                                                               2,578    4,238
Less accumulated depreciation...............................   1,043    2,291
                                                              ------   ------
                                                              $1,535   $1,947
                                                              ======   ======
</TABLE>

     Effective December 31, 1999, the Company purchased software to be
incorporated into its products for $500,000 cash, plus an additional $500,000
due in 2000. The Company has recorded the $1.0 million consideration in other
assets on the accompanying 1999 balance sheet and will amortize such amount on a
straight-line basis over three years.

                                      F-10
<PAGE>   39
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

(3) FINANCING ARRANGEMENTS

     Long-term debt consists of the following:

<TABLE>
<CAPTION>
                                                               DECEMBER 31,
                                                              ---------------
                                                               1998     1999
                                                              ------   ------
                                                              (IN THOUSANDS)
<S>                                                           <C>      <C>
Term loan, interest payable in monthly installments at prime
  plus 2% (10.5% at December 31, 1999), principal payable at
  earlier of December 31, 2000 or upon an initial public
  offering of the Company's equity securities, net of
  unamortized discount of $132,500 at December 31, 1999.....  $   --   $1,909
Equipment loan, payable in monthly principal installments of
  $41,667, plus interest at prime plus 2% (10.5% at December
  31, 1999) through maturity, June 30, 2001.................      --      750
Term note payable in 36 monthly installments of $24,719 plus
  interest at prime plus 1 1/4% (9% at December 31, 1998)...     593       --
Outstanding advances convertible to term note payable in 36
  monthly installments of $27,798 plus interest at prime
  plus 1 1/4% (9% at December 31, 1998).....................   1,000       --
                                                              ------   ------
          Total long-term debt..............................   1,593    2,659
Less current portion........................................     491    2,409
                                                              ------   ------
          Long-term debt, excluding current portion.........  $1,102   $  250
                                                              ======   ======
</TABLE>

     During 1997, the Company entered into a loan and security agreement (the
"Agreement") with a commercial bank that made borrowings available to the
Company under working capital and equipment lines of credit. The aggregate
amount of advances outstanding under the equipment line was $0.9 million as of
December 31, 1997, which was converted to a term note as of such date.

     In December 1998, the Agreement was amended (the "Amended Agreement") and
permitted the Company to borrow the lesser of $2.5 million or a variable
percentage of eligible accounts receivable through December 10, 1999 under the
working capital line of credit and provided the Company a $1.0 million committed
equipment line of credit for the period from December 11, 1998 through June 10,
1999. In connection with the Amended Agreement, the Company issued the
commercial bank a warrant to purchase 18,000 shares of the Company's common
stock for $2.58 per share (the "Bank Warrant") -- (see note 5(e)). The fair
value of the warrant was nominal in December 1998.

     In April 1999, the Company entered into an additional finance loan (the
"Finance Loan") with the commercial bank which replaced the working capital line
of credit and permitted the Company to borrow the lesser of $4.0 million or 75%
of net eligible accounts receivable through the earlier of August 7, 1999 or the
closing of a financing transaction in which the Company received at least $4.0
million. Borrowings under the Finance Loan accrued interest at the prime rate
plus 2.5%. In connection with the Finance Loan, the Company cancelled the Bank
Warrant and issued the commercial bank warrants to purchase 20,000 shares of the
Company's Series B convertible preferred stock for $4.65 per share (see note
5(e)). The fair value of the warrant was estimated at $0.1 million in April 1999
and was recorded as debt discount and amortized over the term of the Finance
Loan.

     In June 1999, the Company refinanced all of its then existing borrowings
with another commercial lender (the "Lender"). Under the terms of the new loan
and security agreement (the "Loan Agreement"), the Company obtained a $2.0
million secured term loan (the "Term Loan"), a $1.0 million secured equipment
loan (the "Equipment Loan") and a $4.0 million working capital line of credit
(the "Revolving Loan"). The Revolving Loan permits the Company to borrow the
lesser of $4.0 million or 80% of eligible accounts

                                      F-11
<PAGE>   40
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

receivable at an interest rate of prime plus 2% through the maturity date of
December 31, 2000. The Company remits its accounts receivable collections for
application against any advances, interest and fees on the Revolving Loan. In
connection with the Loan Agreement, the Company issued the Lender a warrant to
purchase 117,000 shares of the Company's common stock for $2.58 per share (see
note 5(e)). The fair value of the warrant was estimated at $0.2 million in June
1999 and has been recorded as debt discount and is being amortized over the term
of the loans. The Loan Agreement is secured by substantially all of the
Company's assets, including intellectual property. There was no balance
outstanding under the Revolving Loan at December 31, 1999.

     The Company used the Black-Scholes model to estimate the fair value of the
warrants using the following assumptions: expected dividend yield of 0%;
risk-free interest rate of 6%; five-year term; and 100% volatility.

     The Loan Agreement contains various negative covenants, including, but not
limited to, the prohibition of cash dividend payments to stockholders. At
December 31, 1999, the Company was in compliance with all such requirements.

     The aggregate maturities of long-term debt, exclusive of the unamortized
discount, for each of the two years subsequent to December 31, 1999 are as
follows (in thousands):

<TABLE>
<CAPTION>
YEAR ENDING
DECEMBER 31,
- ------------
<S>                                                           <C>
  2000......................................................  $2,542
  2001......................................................     250
                                                              ------
                                                              $2,792
                                                              ======
</TABLE>

     In February 2000, the Company repaid all then existing borrowings under its
financing arrangements (note 12).

(4) ACQUIRED IN-PROCESS RESEARCH AND DEVELOPMENT

     Effective September 30, 1999, the Company obtained certain in-process
research and development efforts ("IPR&D") for 841,120 shares of the Company's
common stock valued at $4.14 per share. As a result, the Company has recorded a
charge of $3.5 million in the accompanying consolidated statement of operations.
The IPR&D relates to the development of technology to store and retrieve
substantially larger volumes of data than the Company's software is currently
capable of storing and retrieving. At the date of the transaction, the results
of the IPR&D had not progressed to a stage where they met technological
feasibility as defined by SFAS No. 86, Accounting for the Cost of Computer
Software to Be Sold, Leased or Otherwise Marketed. As this was the Company's
first attempt to develop the desired technology, there existed a significant
amount of uncertainty as to the Company's ability to complete the development
within a timeframe acceptable to the market. The Company expects to complete the
development during the third quarter of 2000. If the Company is unable to
complete the development in a timely manner, its competitive position in the
market may erode and it may not be able to attract new customers. Additionally,
the amount of development required to enable the acquired IPR&D to be compatible
with the Company's primary product was significant, which increased the
uncertainty surrounding its successful development. Management of the Company
estimated it would have cost the Company more than $3.5 million to develop the
IPR&D internally and estimates it will incur an additional $3.3 million to
complete its development efforts. The IPR&D does not have an alternative future
use to the Company that has reached technological feasibility.

                                      F-12
<PAGE>   41
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

(5) STOCKHOLDERS' DEFICIT

  (a) Stockholders' Agreement

     All holders of the Company's preferred stock and certain holders of the
Company's common stock were parties to the Company's Stockholders' Agreement, as
amended in August 1999 to include the holders of Series C convertible preferred
stock. This agreement provided for a right of first refusal to the Company and
then to the preferred stockholders or their qualified transferees, as defined in
the agreement, to purchase any selling stockholders' shares at a price equal to
that determined by a third party. The agreement terminated upon the Company's
completion of an initial public offering in February 2000.

  (b) Stock Repurchases

     During 1997, the Company entered into Stock Repurchase Agreements with four
officers of the Company, under which the Company repurchased 3,214,845 shares of
the Company's common stock for notes payable totaling $3.7 million. The notes
were repaid in 1997 concurrent with the sale of Series A convertible preferred
stock. All of the treasury stock was retired during 1997.

     During 1998, the Company entered into a Stock Repurchase Agreement with a
stockholder of the Company, under which the Company repurchased 1,260,000 shares
of the Company's common stock for $1.9 million. These shares are included in
treasury stock as of December 31, 1998 and 1999.

     In February 1999, the Company repurchased 648,979 shares of the Company's
common stock in connection with a forgiveness of a related note receivable (note
5(d)).

     In August 1999, the Company entered into Stock Repurchase Agreements with
three directors of the Company, under which the Company repurchased 1,800,000
shares of the Company's common stock for $5.4 million. Such consideration was
paid concurrent with the sale of the Series C convertible preferred stock (note
5(c)). These shares are included in treasury stock as of December 31, 1999.

  (c) Sales of Convertible Preferred Stock

     During 1997, the Company executed a Series A convertible preferred stock
("Series A") purchase agreement to sell 3,184,000 shares of Series A for $2.145
per share, resulting in net proceeds to the Company of $6.6 million. The Company
records accretion on Series A equal to the difference between the net proceeds
received and the redemption amount based on the greater of $2.145 per share or
fair value (estimated as $114.6 million as of December 31, 1999) using the
interest method from the original issuance date through the final redemption
date commencing September 24, 2003. Additionally, the Company is increasing the
value of the Series A by the contractual amount of cumulative preferred
dividends due each year to the Series A stockholders. The holders of Series A
shares are entitled to participation rights and cumulative preferred dividends
(payable at redemption or upon an initial public offering of the Company's
common stock) at $.02145 per share per annum to be paid in Series A shares or
cash.

     During 1998, the Company executed a Series B convertible preferred stock
("Series B") purchase agreement to sell 1,181,954 shares of Series B for $4.65
per share, resulting in net proceeds to the Company of $5.5 million. The Company
is recording accretion on Series B equal to the difference between the net
proceeds received and the redemption amount of $5.5 million using the interest
method from the original issuance date through the final redemption date
commencing September 24, 2003.

     In August 1999, the Company executed a Series C convertible preferred stock
("Series C") purchase agreement to sell 1,325,028 shares of Series C for $6.30
per share, resulting in net proceeds to the Company of $8.3 million. The Company
records accretion on Series C equal to the difference between the net proceeds
received and the redemption amount based on the greater of $6.30 per share or
fair value (estimated as $47.7

                                      F-13
<PAGE>   42
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

million as of December 31, 1999) using the interest method from the original
issuance date through the final redemption date commencing September 24, 2003.

     The holders of the convertible preferred stock are entitled to, among other
substantial rights: (1) voting rights equivalent to the voting rights they would
hold as if their holdings were converted to common stock at 1.8 common shares
for each preferred share converted; (2) the right to name two members of the
Company's Board of Directors; (3) distribution and liquidation preferences; (4)
the option to convert to common stock at any time at 1.8 common shares for each
preferred share converted; (5) automatic conversion upon the effective date of a
qualified initial public offering at 1.8 common shares for each preferred share
converted; (6) certain anti-dilution provisions; (7) certain covenants requiring
convertible preferred stockholder authorization of transactions; and (8) a
mandatory redemption provision whereby the majority of holders of convertible
preferred stock may give redemption notice at any time after September 24, 2003
and cause the Company to redeem 50% of their shares within 60 days of receipt of
the redemption notice and to redeem the remainder on the first anniversary of
the first redemption date, with the redemption price for: Series A defined as
the greater of the then fair market value or the original cost plus all accrued
but unpaid dividends; for Series B, defined as the original cost plus all
declared but unpaid dividends; and for Series C, defined as the greater of the
then fair market value or the original cost plus all accrued but unpaid
dividends. Additionally, the holders of convertible preferred stock are party to
a Registration Rights Agreement which provides them with certain rights,
including but not limited to, demand and incidental registration rights.

     In connection with the Company's initial public offering (note 12), each
share of convertible preferred stock converted into 1.8 shares of the Company's
common stock in February 2000.

  (d) Notes Receivable from Stock Sales

     During 1997, the Company sold restricted common stock to an officer of the
Company for $0.1 million in return for a note receivable, all of which remained
outstanding as of December 31, 1998. In February 1999, the officer resigned from
the Company and the amount of the note related to vested shares plus all accrued
interest was forgiven. The remainder of the note was canceled in connection with
the Company's repurchase of the unvested shares at $0.12 per share (note 5(b)).

     In March 1999, the Company issued 879,763 shares of restricted common stock
to an officer of the Company in return for a note receivable of $1.5 million. In
August 1999, an officer of the Company was granted and exercised options to
acquire 112,230 shares of the Company's common stock in exchange for a note
receivable of $0.3 million. The notes effectively bear no interest and initially
matured on March 30, 2008. Under the terms of such arrangements, the maturity
date of the note was accelerated to February 2002 as a result of the Company's
initial public offering (note 12) and the shares of restricted stock vested
immediately.

     In August 1999, the Company issued 269,195 shares of common stock (from
treasury shares) to certain officers and directors of the Company in return for
individual notes receivable aggregating $0.8 million. The notes accrue interest
at 7% and initially matured on July 31, 2003. Under the terms of such
arrangements, the maturity date was accelerated to February 2002 as a result of
the Company's initial public offering in February 2000 (note 12).

  (e) Warrants

     In connection with the Amended Agreement (note 3), the Company granted a
warrant to a commercial bank to purchase 18,000 shares of common stock of the
Company for $2.58 per share. The warrant vested immediately with an initial
expiration date of December 10, 2003.

     The warrant agreement provided the holder with a put right at fair market
value in case of sale, merger, or consolidation of the Company, as defined in
the warrant agreement. In connection with the Finance Loan, the

                                      F-14
<PAGE>   43
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

warrant to purchase the 18,000 common shares was cancelled and the Company
granted a warrant to purchase 20,000 shares of the Company's Series B for $4.65
per share. The warrant vested immediately, expires April 22, 2004 and remained
outstanding and exercisable as of December 31, 1999. The warrant agreement
provides the holder with a put right at fair market value in case of sale,
merger, or consolidation of the Company, as defined in the warrant agreement.

     In connection with the Loan Agreement (note 3), the Company granted a
warrant to purchase 117,000 shares of common stock of the Company for $2.58 per
share. The warrant vested immediately, expires June 24, 2004 and remained
outstanding and exercisable as of December 31, 1999. The warrant agreement
provides the holder with certain rights, including but not limited to, a put
right at fair market value in case of sale, merger, or consolidation of the
Company, as defined in the warrant agreement.

  (f) Stock Split

     On December 27, 1999, the Company effected a 1.8-for-1 stock split which
became effective immediately. All common share and per share information has
been adjusted to reflect the stock split as if it had occurred at the inception
of the Company.

(6) EMPLOYEE BENEFIT PLANS

  (a) Stock Incentive Plan

     In 1997, the Company adopted the Witness Systems, Inc. Stock Incentive Plan
(the "Plan") pursuant to which the Company's Board of Directors may grant up to
4,717,440 shares of common stock in the form of stock options, restricted stock
awards, or stock appreciation rights to employees and key persons affiliated
with the Company, as defined in the Plan document. The Plan remains in effect
until the earlier of the tenth anniversary of its effective date or the date on
which all reserved shares have been issued or are no longer available for use
under the Plan. In November 1999, the Company amended the Plan, authorized an
additional 1,557,360 shares subject to grant, and adopted a provision to
increase the number of shares authorized each year. Through December 31, 1999,
the Company has issued 1,199,409 shares of restricted common stock. As of
December 31, 1999, 1,658,507 shares remain available for grant under the Plan.

     Options granted under the Plan and approved by the Board of Directors may
be incentive stock options ("ISO"), which qualify for certain tax benefits, or
nonqualified stock options. Only employees are eligible to receive ISOs, which
must be granted at a price not less than the estimated fair value of the stock
on the grant date, or not less than 110% of the estimated fair value if granted
to a participant who is a greater than 10% stockholder of the Company.
Nonqualified stock options may be granted to employees and key persons at a
price which may be greater than, equal to, or less than the estimated fair value
of the stock on the grant date. Option vesting terms are established by the
Board of Directors at the time of grant, and typically range from three to four
years. The expiration date of options granted under the Plan is determined at
the time of grant and may not exceed ten years from the date of the grant for a
non-10% owner of the Company, or five years from the date of the grant in the
case of an ISO granted to a participant who is a greater than 10% owner of the
Company.

     At December 31, 1999, 240,796 options were outstanding with an officer
which provide for accelerated vesting in the event that the Company completes an
initial public offering (Note 12). At December 31, 1999, the Company also had
725,060 options outstanding with certain officers of the Company which provide
for accelerated vesting if the Company undergoes a change in control, as
defined, and if there is a significant reduction in each individual's respective
responsibilities within the Company, as defined.

     From November 22, 1999 to December 31, 1999, the Company incurred a
deferred stock compensation charge in the amount of $1.0 million representing
the difference between the exercise price of stock option grants for 278,658
shares of common stock with a weighted-average exercise price of $6.99 and the
deemed

                                      F-15
<PAGE>   44
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

fair value of the Company's common stock at the time of such grants which was
$11.70 per share. Such amount will be amortized over the vesting period of the
underlying options, which is generally four years.

     The following summarizes stock option activity:

<TABLE>
<CAPTION>
                                                                          WEIGHTED-
                                                                           AVERAGE
                                                               NUMBER     EXERCISE
                                                              OF SHARES     PRICE
                                                              ---------   ---------
<S>                                                           <C>         <C>
Balance at January 1, 1997..................................         --     $  --
  Granted...................................................  1,074,739      0.12
  Exercised.................................................    (56,144)     0.12
  Cancelled.................................................   (149,668)     0.12
                                                              ---------     -----
Balance at December 31, 1997................................    868,927      0.12
  Granted...................................................    919,854      1.18
  Exercised.................................................    (89,111)     0.12
  Cancelled.................................................   (149,476)     0.14
                                                              ---------     -----
Balance at December 31, 1998................................  1,550,194      0.74
  Granted...................................................  2,039,628      3.26
  Exercised.................................................   (389,571)     1.11
  Cancelled.................................................   (318,193)     1.10
                                                              ---------     -----
Balance at December 31, 1999................................  2,882,058     $2.44
                                                              =========     =====
</TABLE>

     The following table summarizes information about stock options outstanding
at December 31, 1999:

<TABLE>
<CAPTION>
                                                                                 EXERCISABLE
                                                  WEIGHTED-   WEIGHTED-   --------------------------
                                                   AVERAGE     AVERAGE                  WEIGHTED-
             RANGE OF                 NUMBER      REMAINING   EXERCISE     NUMBER        AVERAGE
         EXERCISE PRICES            OUTSTANDING      LIFE       PRICE     OF SHARES   EXERCISE PRICE
         ---------------            -----------   ----------  ---------   ---------   --------------
<S>                                 <C>           <C>         <C>         <C>         <C>
$0.12 - $1.42.....................     821,244    8.16 years    $0.64      254,313        $0.55
$1.43 - $5.53.....................   1,636,587    9.26 years     2.15      195,309         1.66
$5.54 - $8.05.....................     424,227    9.93 years     7.04           --           --
</TABLE>

     The weighted-average remaining contractual life of options outstanding at
December 31, 1999 was 9.04 years.

     The Company applies the provisions of APB No. 25 in accounting for its Plan
and, accordingly, no compensation cost has been recognized for its stock options
in the accompanying financial statements. Had the Company determined
compensation cost based on the fair value at the grant date for its stock
options under SFAS No. 123, the Company's net loss would have been increased to
the pro forma amounts indicated below (in thousands, except per share data):

<TABLE>
<CAPTION>
                                                              YEAR ENDED DECEMBER 31,
                                                            ---------------------------
                                                             1997      1998      1999
                                                            -------   -------   -------
<S>                                                         <C>       <C>       <C>
Historical net loss.......................................  $(2,213)  $(4,769)  $(7,004)
Pro forma net loss........................................   (2,214)   (4,830)   (7,623)
Pro forma basic and diluted net loss per share............    (0.32)    (0.77)    (1.47)
</TABLE>

     The per share weighted-average fair value of stock options granted during
1997, 1998 and 1999 was $0.01, $0.42, and $1.65, respectively, on the date of
grant using the Black-Scholes option-pricing model (excluding a volatility
assumption) with the following weighted-average assumptions: 1997 -- expected
dividend yield 0%, risk-free interest rate of 6%, and an expected life of 7.26
years; 1998 -- expected dividend yield 0%, risk-free

                                      F-16
<PAGE>   45
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

interest rate of 6%, and an expected life of 7.51 years; 1999 -- expected
dividend yield 0%, risk-free interest rate of 6%, and an expected life of 7.28
years.

  (b) Retirement Plan

     The Company maintains a tax-qualified defined contribution plan under
Section 401(k) of the Internal Revenue Code (the "401(k) Plan"). Employees are
eligible to participate the first of the month following their date of hire. The
401(k) Plan allows participants to contribute by salary reduction up to 20% of
eligible compensation, subject to Internal Revenue Service limitations. The
401(k) Plan also provides for discretionary employer matching contributions,
none of which were made during 1997, 1998, or 1999.

  (c) Employee Stock Purchase Plan

     In November 1999, the Company established an employee stock purchase plan
(the "ESPP") pursuant to Section 423 of the Internal Revenue Code. There are
990,000 shares of the Company's common stock reserved under the ESPP, which
became effective upon the initial public offering of the Company's common stock.

(7) ACCRUED EXPENSES

     Accrued expenses consist of the following (in thousands):

<TABLE>
<CAPTION>
                                                               DECEMBER 31,
                                                              ---------------
                                                               1998     1999
                                                              ------   ------
<S>                                                           <C>      <C>
Accrued wages, salaries, and employee benefits..............  $  353   $2,128
Sales taxes payable.........................................     552    1,558
Other.......................................................   1,034    1,956
                                                              ------   ------
                                                              $1,939   $5,642
                                                              ======   ======
</TABLE>

(8) OTHER PERSONNEL COSTS

     During 1999, the Company incurred $0.3 million of severance costs for
terminated executives and incurred $0.4 million for a bonus and relocation costs
in connection with recruiting a new executive.

(9) INCOME TAXES

     During 1997, 1998 and 1999, no income taxes were recorded because the
Company reported operating losses with no recognizable benefit. Income tax
expense (benefit) differed from the amounts computed by applying the statutory
U.S. federal income tax rate of 34% to loss before income taxes as a result of
the following (in thousands):

<TABLE>
<CAPTION>
                                                               YEAR ENDED DECEMBER 31,
                                                              -------------------------
                                                              1997     1998      1999
                                                              -----   -------   -------
<S>                                                           <C>     <C>       <C>
Computed "expected" tax benefit.............................  $(752)  $(1,621)  $(2,381)
Increase (decrease) in income taxes resulting from:
  State income taxes, net of federal income taxes...........    (55)     (191)     (269)
  Nondeductible items.......................................     12        35       104
  Generation of research and experimentation credit
     carryforward...........................................    (35)     (150)       --
  Other, net................................................    228       (85)     (228)
  Increase in valuation allowance...........................    602     2,012     2,774
                                                              -----   -------   -------
                                                              $  --   $    --   $    --
                                                              =====   =======   =======
</TABLE>

                                      F-17
<PAGE>   46
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

     The income tax effects of temporary differences that give rise to
significant portions of the Company's deferred income tax assets and liabilities
are presented below (in thousands):

<TABLE>
<CAPTION>
                                                                DECEMBER 31,
                                                              -----------------
                                                               1998      1999
                                                              -------   -------
<S>                                                           <C>       <C>
Deferred income tax assets:
  Accruals not deducted for tax.............................  $   486   $   740
  Property and equipment, principally due to differences in
     depreciation...........................................      114     1,488
  Net operating loss and research and experimentation credit
     carryforwards..........................................    2,164     3,235
                                                              -------   -------
          Total gross deferred tax assets...................    2,764     5,463
  Less valuation allowance..................................   (2,614)   (5,388)
                                                              -------   -------
       Net deferred income tax assets.......................      150        75
                                                              -------   -------
Deferred income tax liabilities -- adjustment to accrual
  basis for income taxes....................................     (150)      (75)
                                                              -------   -------
                                                              $    --   $    --
                                                              =======   =======
</TABLE>

     The net change in the valuation allowance for deferred income tax assets
for 1997, 1998 and 1999 was an increase of $0.6 million, $2.0 million, and $2.8
million, respectively. In assessing the realizability of deferred tax assets,
management considers whether it is more likely than not that some portion or all
of the deferred income tax assets will not be realized. The ultimate realization
of deferred income tax assets is dependent upon the generation of future taxable
income during the periods in which those temporary differences become
deductible. Management considers the scheduled reversal of deferred income tax
liabilities, projected future taxable income, and tax planning strategies in
making this assessment.

     At December 31, 1999, the Company has net operating loss and research and
experimentation credit carryforwards for federal income tax purposes of
approximately $7.6 million and $0.2 million, respectively, which expire in
varying amounts beginning in the year 2014.

     Approximately $0.2 million of the net operating loss carryforwards that the
Company may use to offset taxable income in future years is limited as a result
of an ownership change, as defined under Internal Revenue Code Section 382,
which occurred effective with the Company's sale of preferred stock in March
1997. Further restrictions on the Company's utilization of net operating losses
may result upon the initial public offering of the Company's common stock.

(10) COMMITMENTS AND CONTINGENCIES

  (a) Leases

     The Company leases certain office space under noncancelable operating lease
agreements which expire at various times through 2002 and provide for minimum
annual rentals as follows (in thousands):

<TABLE>
<CAPTION>
YEAR ENDING DECEMBER 31:
- ------------------------
<S>                                                           <C>
2000........................................................  $  898
2001........................................................     712
2002........................................................     377
                                                              ------
                                                              $1,987
                                                              ======
</TABLE>

     Rental expense under all lease agreements for 1997, 1998 and 1999 was $0.3
million, $0.5 million, and $0.7 million, respectively.

                                      F-18
<PAGE>   47
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

  (b) Software Royalty Agreement

     In December 1999, the Company entered into a software licensing royalty
agreement whereby it obtained the right to sell certain software in its
products. Under the terms of the agreement, which expires in December 2002, the
Company is required to pay a royalty based on the number of units sold. The
Company is required to make minimum royalty payments of $1.2 million, all of
which are payable in 2000. Because the Company had the right to accept the
agreement through January 2000, the Company has not capitalized the cost of the
purchased software as of December 31, 1999. In January 2000, the Company
accepted the terms of the agreement.

  (c) Termination of Distribution Agreement

     During 1998, the Company terminated an agreement with a distributor. The
Company agreed to pay $0.9 million in order to terminate the arrangement, all of
which was paid by December 31, 1998. The $0.9 million charge has been included
in the operating expense category of the Company's 1998 statement of operations.

(11) BUSINESS AND CREDIT CONCENTRATIONS

     Less than 10% of the Company's revenues in 1999, 1998, and 1997 were
derived from customers located outside the United States. No individual country
accounted for a significant portion of such revenues.

     Two customers accounted for 28% of the Company's revenue in 1997 and two
customers accounted for 27% of the Company's revenue in 1998. Total accounts
receivable outstanding from these major customers were approximately $0.1
million at December 31, 1998. No customer accounted for more than 10% of the
Company's revenue in 1999.

     The Company generally does not require collateral on accounts receivable as
the majority of its customers are large, well established companies. The Company
estimates an allowance for doubtful accounts and sales returns and allowances
based on the creditworthiness of its customers, general economic conditions, and
other factors. Consequently, an adverse change in those factors could affect the
Company's estimate of its bad debts.

(12) SUBSEQUENT EVENTS (UNAUDITED)

     The Company's initial public offering of its common stock was declared
effective by the United Sates Securities and Exchange Commission on February 9,
2000, and public trading in the registered shares commenced February 10, 2000.
The initial public offering consisted of 3.8 million newly issued shares
followed by the underwriters exercise of their overallotment for 570,000 shares
(219,269 of which were newly issued and 350,731 which were sold by certain
stockholders). The Company received $74.8 million as its portion of the proceeds
(net of underwriting discounts and commissions, but prior to offering expenses).

     The Company used a portion of the proceeds from the offering to repay all
then-existing borrowings under its financing arrangements. As a result, the
Company incurred a charge of approximately $0.2 million in February 2000.

     In connection with the offering, each share of the Company's convertible
preferred stock converted into 1.8 shares of the Company's common stock (note
5(c)). The redemption value of the Series A and Series C preferred stock, based
on the offering price of $20 per common share, was $114.6 million and $47.7
million, respectively.

                                      F-19
<PAGE>   48
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

                                                                     SCHEDULE II

                       VALUATION AND QUALIFYING ACCOUNTS

<TABLE>
<CAPTION>
                                       BALANCE AT       CHARGES TO COSTS   CHARGED TO                BALANCE AT
                                    BEGINNING OF YEAR     AND EXPENSES      REVENUES    DEDUCTIONS   END OF YEAR
                                    -----------------   ----------------   ----------   ----------   -----------
<S>                                 <C>                 <C>                <C>          <C>          <C>
Allowance for Doubtful Accounts:
  Year ended December 31, 1997            $ --                $100            $ --         $ --         $100
  Year ended December 31, 1998             100                 200              --           --          300
  Year ended December 31, 1999             300                 226              --          (88)         438
Reserve for Sales:
  Year ended December 31, 1997            $ --                $ --            $ --         $ --         $ --
  Year ended December 31, 1998              --                  --             225           --          225
  Year ended December 31, 1999             225                  --              47          (47)         225
Hardware Warranty Reserve:
  Year ended December 31, 1997            $ --                $ --            $ --         $ --         $ --
  Year ended December 31, 1998              --                 217              --           --          217
  Year ended December 31, 1999             217                  --              --          (54)         163
</TABLE>

                                      F-20
<PAGE>   49

                                   SIGNATURES

     Pursuant to the requirements of Section 13 of 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized, in the City of
Alpharetta, State of Georgia, on March 24, 2000.

Dated: March 24, 2000

                                          WITNESS SYSTEMS, INC.

                                          By:      /s/ DAVID B. GOULD
                                            ------------------------------------
                                                       David B. Gould
                                            Chairman of the Board, President and
                                                  Chief Executive Officer

     Pursuant to the requirements of the Securities Act, this Registration
Statement has been signed below by the following persons in the capacities and
on the date indicated.

<TABLE>
<C>                                                    <S>                              <C>

                 /s/ DAVID B. GOULD                    Chairman, President and          March 24, 2000
- -----------------------------------------------------    Chief Executive Officer
                   David B. Gould                        (Principal Executive Officer)

                  /s/ JON W. EZRINE                    Chief Financial Officer and      March 24, 2000
- -----------------------------------------------------    Secretary (Principal
                    Jon W. Ezrine                        Financial
                                                         and Accounting Officer)

              /s/ JAMES W. JUDSON, JR.                 Director                         March 24, 2000
- -----------------------------------------------------
                James W. Judson, Jr.

                /s/ THOMAS J. CROTTY                   Director                         March 24, 2000
- -----------------------------------------------------
                  Thomas J. Crotty

                  /s/ JOHN ABRAHAM                     Director                         March 24, 2000
- -----------------------------------------------------
                    John Abraham

                  /s/ JOEL G. KATZ                     Director                         March 24, 2000
- -----------------------------------------------------
                    Joel G. Katz
</TABLE>
<PAGE>   50
                      WITNESS SYSTEMS, INC. AND SUBSIDIARY

           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)

<TABLE>
<CAPTION>
EXHIBIT
NUMBER                                 DESCRIPTION
- -------                                -----------
<C>       <S>  <C>
 3.1(1)   --   Amended and Restated Articles of Incorporation of the
               Registrant.
 3.3(1)   --   Amended and Restated Bylaws of the Registrant.
 4.1(1)   --   See Exhibits 3.1 and 3.3 for provisions of the Amended and
               Restated Articles of Incorporation and Amended and Restated
               Bylaws of the Registrant defining rights of the holders of
               Common Stock of the Registrant.
 4.2(1)   --   Specimen Stock Certificate.
10.1(1)   --   Office Lease Agreements between Regency Park West
               Associates, L.P. and Witness Systems, Inc., dated April 15,
               1997.
10.2(1)   --   Landlord's Consent to Second Sublease, dated June 2, 1999
               and Second Sublease Agreement between Regency Park West
               Associates, L.P., as Landlord and Witness Systems, Inc., as
               Second Sublessee, dated May 28, 1999.
10.3(1)   --   Amended and Restated Stock Incentive Plan of the Registrant.
10.4(1)   --   Form of Stock Option Grant Certificate.
10.5(1)   --   Form of Amendment to Stock Option Grant Certificate between
               Registrant and certain of the officers of the Registrant.
10.6*     --   Employee Stock Purchase Plan of the Registrant.
10.7(1)   --   Employment Agreement entered into between David B. Gould and
               the Registrant, effective February 2, 1999.
10.8(1)   --   Promissory Note, dated March 31, 1999, between the
               Registrant and David Gould.
10.9(1)   --   Restricted Stock Award Agreement, dated March 31, 1999,
               between the Registrant and David Gould.
10.10(1)  --   Form of Promissory Note and Subscription Agreement, dated
               August 2, 1999, between the Registrant and certain of the
               officers of the Registrant.
10.11(1)  --   Promissory Note and Subscription Agreement, dated August 2,
               1999, between the Registrant and John Abraham.
10.12(1)  --   Form of Stock Repurchase Agreement between the Registrant
               and certain shareholders of the Registrant.
10.13(1)  --   Warrant to Purchase Stock, dated June 29, 1999 between
               Greyrock Capital and the Registrant.
10.14(1)  --   Warrant to Purchase Stock, dated April 22, 1999 between
               Silicon Valley Bank and the Registrant.
10.15(1)  --   Amended and Restated Registration Rights Agreement, dated as
               of August 2, 1999, as amended, among the Registrant and
               certain shareholders of the Registrant.
10.16(1)  --   Subsidiary License and Distribution Agreement.
10.17(1)  --   Form of Indemnification Agreement to be entered into between
               Registrant and each of its executive officers and directors.
10.18(1)  --   Amendment No 1 to Employment Agreement entered into between
               David B. Gould and the Registrant, dated as of August 2,
               1999.
21.1*     --   List of subsidiaries.
23.1*     --   Independent Auditors' Consent and Report on Financial
               Statement Schedule of KPMG LLP.
27.1*     --   Financial Data Schedule (for SEC use only).
99.1*     --   Risk Factors.
</TABLE>

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

  * Filed herewith
(1) Incorporated by reference to exhibits previously filed with the Company's
    Registrant Statement on Form S-1 (File No. 333-91383)

<PAGE>   1
                                                                    EXHIBIT 10.6



                              WITNESS SYSTEMS, INC.
                          EMPLOYEE STOCK PURCHASE PLAN

                                    ARTICLE I
                                 PURPOSE OF PLAN

         Witness Systems, Inc. has adopted this employee stock purchase plan to
encourage the employees of the Company (and its participating affiliated
companies) to acquire a proprietary interest, or to increase their existing
proprietary interest, in the Company. The Board of Directors of the Company
believes that employee ownership of the Company's stock will serve as an
incentive, encouraging employees to continue their employment and to perform
diligently their duties as employees. It is further intended that the Plan
qualify as an "employee stock purchase plan" within the meaning of Code ss.423.

                                   ARTICLE II
                                  DEFINITIONS

         When used in this Plan with initial capital letters, the following
terms shall have the meanings set forth below:

         2.1      Board shall mean the Board of Directors of the Company.

         2.2      Code shall mean the Internal Revenue Code of 1986, as amended.

         2.3      Committee shall mean the group of individuals appointed by the
Board to administer the Plan, pursuant to Section 10.1.

         2.4      Common Stock shall mean the common stock of the Company.

         2.5      Company shall mean Witness Systems, Inc..

         2.6      Effective Date shall mean the day on which the Common Stock is
initially offered for purchase to the public by the Company.

         2.7      Eligible Employee shall mean, with respect to an Offering
Period, an Employee who is not described by the following:

                  (a)      any Employee who is regularly scheduled to work
         (determined as of the Enrollment Date for such Offering Period) 20
         hours or less per week;

                  (b)      any Employee who is regularly scheduled to work
         (determined as of the Enrollment Date for such Offering Period) for not
         more than five (5) months in any calendar year; and

                  (c)      any Employee who, immediately after an option would
         be granted hereunder, would own shares of the Common Stock, or of the
         stock of a parent or subsidiary corporation of the Company, possessing
         5% or more of the total combined voting power or value of all classes
         of such stock. In determining whether an Employee owns 5% of such
         shares, (A) the attribution of ownership rules of Code ss.424(d) shall
         apply, and (B) an Employee shall be deemed to own the shares of stock
         underlying any outstanding option which he has been granted (whether
         under the Plan or any other plan or arrangement).

         2.8      Employee shall mean any individual who is a common-law
employee of any Participating Company. Certain Employees are not eligible to
participate in the Plan, pursuant to Section 3.2 hereof.

         2.9      Enrollment Date shall mean the last business day of the
calendar month immediately preceding each Offering Commencement Date, except
that, with respect to the initial Offering Period, the







<PAGE>   2

Enrollment Date shall be the last business day of the calendar month immediately
following the calendar month in which the initial registration statement
registering the shares of Common Stock issuable hereunder pursuant to the
Securities Act of 1933, as amended, is declared effective.

         2.10     Fair Market Value shall mean, as of any date, the value of
Common Stock determined as follows:

                  (a)      For purposes of making purchases under the Plan which
         are made on the open market, the Fair Market Value of the Common Stock
         shall be the actual market price on the date and at the time of the
         purchase;

                  (b)      For purposes other than making purchases under the
         Plan, the Fair Market Value of the Common Stock shall be determined as
         follows:

                           (i)      If the Common Stock is listed on any
                  established stock exchange or a national market system,
                  including without limitation the National Market of the
                  National Association of Securities Dealers, Inc. Automated
                  Quotation ("NASDAQ") System, its Fair Market Value per share
                  shall be the closing sale price for the Common Stock (or the
                  mean of the closing bid and asked prices, if no sales were
                  reported), as quoted on such exchange or system on the date of
                  such determination, as reported in The Wall Street Journal or
                  such other source as the Committee deems reliable;

                           (ii)     If the Common Stock is not listed on any
                  established stock exchange or a national market system, its
                  Fair Market Value per share shall be the average of the
                  closing dealer "bid" and "ask" prices of a share of the Common
                  Stock as reflected on the NASDAQ interdealer quotation system
                  of the National Association of Securities Dealers, Inc. on the
                  date of such determination;

                           (iii)    In the absence of an established market for
                  the Common Stock, the Fair Market Value thereof shall be
                  determined in good faith by the Board.

                           (iv)     If, for any reason, the Fair Market Value
                  per share cannot be ascertained or is unavailable for the date
                  in question, the Fair Market Value per share shall be
                  determined as of the nearest preceding date on which such Fair
                  Market Value can be ascertained under the appropriate method
                  indicated above.

                  (c)      Notwithstanding the above provisions, for purposes of
         making purchases under the Plan during the initial Offering Period, the
         Fair Market Value per share of the Common Stock as of the Effective
         Date shall be deemed to be the price per share at which the Common
         Stock is offered to the public by the Company pursuant to the Company's
         initial public offering.

         2.11     Offering Commencement Date shall mean the first day of each
Offering Period.

         2.12     Offering Exercise Date shall mean the last day of each
Offering Period.

         2.13     Offering Period shall mean the period during which each option
granted pursuant to the Plan is in effect. The duration and timing of Offering
Periods may be changed by the Committee pursuant to Section 4.2 of this Plan.

         2.14     Offering Period Pay shall mean, with respect to an Offering
Period, the product of (i) the number of complete payroll periods in such
Offering Period, times (ii) such Employee's Total Pay for the payroll period
which ends on or immediately prior to the Offering Commencement Date of such
Offering Period.





                                  Page 2 of 10
<PAGE>   3


         2.15     Participating Company shall mean (i) the Company, and (ii) any
"parent corporation" or "subsidiary corporation" (as defined in Code
ss.ss.424(e) and (f)) of the Company which have been designated by the Board and
which have adopted (by formal written resolutions of the board of directors of
such corporation) the Plan for the benefit of its employees.

         2.16     Plan shall mean the Witness Systems, Inc. Employee Stock
Purchase Plan.

         2.17     Total Pay shall mean, with respect to an Employee, all of his
regular straight-time earnings, plus commissions, overtime, shift premium,
incentive compensation, incentive payments, bonuses, and other compensation, all
as reported to the Internal Revenue Service for federal income tax purposes on
Form W-2, plus any before-tax contributions made to plans covered by Code
ss.ss.401(k) and 125.

                                   ARTICLE III
                                   ELIGIBILITY

         3.1      Participation by Eligible Employees. An Eligible Employee of a
Participating Company shall be eligible to participate in the Plan as of the
first day of the Offering Period which next begins following the date of hire of
such Eligible Employee by the Company if the Employee is an Eligible Employee as
of such date.

         3.2      Transfers to/from Eligible Class. An Employee who ceases to be
an Eligible Employee during an Offering Period but who remains an Employee shall
be treated as if he had made an election to modify his payroll deductions to
zero effective for payroll periods ending on or after the date on which such
Employee ceased to be an Eligible Employee. An Employee who becomes an Eligible
Employee during an Offering Period and who was an Employee prior to the date on
which such Employee became an Eligible Employee hereunder shall be entitled to
participate in the Plan as of the first day of the Offering Period which next
begins on or after the date on which such Employee becomes an Eligible Employee
if the Employee is an Eligible Employee as of such date.

                                   ARTICLE IV
                                OFFERING PERIODS

         4.1      Semi-Annual Offering Periods. The Plan shall be implemented by
a continuous series of Offering Periods. The Offering Periods under the Plan
shall be the six-month periods of January 1 through June 30, and July 1 through
December 31, with the initial Offering Period beginning on the Effective Date
and ending on June 30, 2000.

         4.2      Other Offering Periods. Without amendment to the Plan, the
Committee may, in its sole discretion, designate other periods as Offering
Periods. These periods may be more or less frequent and may be in addition to or
in lieu of the semi-annual Offering Periods described in Section 4.1 above.

                                    ARTICLE V
                             ELECTION TO PARTICIPATE

         5.1      Election. Each employee who is eligible to participate in the
Plan may file with the Committee, on or before 5:00 p.m. on any Enrollment Date
(within such time period as provided by the Committee), an election form
authorizing specified regular payroll deductions over the next succeeding
Offering Period; provided, however, with respect to the initial Enrollment Date,
no election shall be valid unless given with a period specified by the Committee
prior to such date. These payroll deductions shall be on an after-tax basis, so
that all applicable federal, state, local and Social Security taxes shall apply.
At the time an Employee files his election form, he shall elect to have payroll
deductions made on each payday during the Offering Period (or, for the initial
Offering Period, during the period beginning immediately following the initial
Enrollment Date and ending on the initial Offering Exercise Date) in an amount
which is not less than 1% nor greater than 15% of such Employee's Total Pay for
each payroll period. No cash contributions or payments may be made by an
Employee to the Plan. Payroll deductions



                                  Page 3 of 10
<PAGE>   4



for an Employee shall commence on the first payroll period beginning after the
Offering Commencement Date (or, for the initial Offering Period, the Enrollment
Date) and shall end on the last payroll in the Offering Period before the
Offering Exercise Date, to which such authorization is applicable, unless sooner
terminated by the Employee.

         5.2      Deemed Election. An Employee who has entered into a written
agreement with the Company not to be eligible for participation in this Plan
and/or any employee benefit plans of the Company shall, by entering into such
written agreement, automatically be considered to have elected to have none of
his pay deducted under this Plan during any Offering Period which begins while
such written agreement is in effect.

         5.3      Accounts. The Committee shall establish a bookkeeping account
for each Employee in the Plan and shall credit each Employee's payroll
deductions to his account. Any funds actually held in Accounts shall remain part
of the general assets of the Company and may be used by the Company for any
corporate purpose.

         5.4      Withdrawals. By written notice to the Committee during an
Offering Period (on such form or in such manner as the Committee may specify),
but at least thirty (30) days prior to the Offering Exercise Date for such
Offering Period, an Employee may elect to cease his payroll deductions effective
as soon as administratively practicable following receipt of such election, and
the Employee may also elect to withdraw the total amount (but not less than the
total amount) credited to his Account. Any such withdrawn amount shall be paid
to the Employee, in cash or its equivalent, without interest, as promptly as
administratively practicable. An Employee who elects to withdraw the total
amount credited to his Account shall cease participation in the Plan as of the
next following Offering Exercise Date and shall not participate again until the
Offering Commencement Date following such Offering Exercise Date, provided he
files an election form with the Committee on or before the Enrollment Date for
such succeeding Offering Commencement Date.

         5.5      Modifications. An Employee may not elect to modify his payroll
deductions during an Offering Period, except as provided in Section 5.4 above.

         5.6      Leave of Absence. For purposes of participation in the Plan,
an Employee who is on a leave of absence shall be deemed to be an Employee for
the first ninety (90) days of such leave of absence; provided, that as of the
close of business on the ninetieth (90th) day of such leave of absence, the
Employee's employment (solely for purposes of the Plan) shall be deemed to have
terminated unless the Employee shall have returned to his regular employment
prior to the close of business on such ninetieth (90th) day, except as otherwise
required by law. If an Employee's employment is terminated earlier by the
Company, for any reason, his right to participate in the Plan shall terminate
simultaneously.

         5.7      Interest. No interest will accrue or be paid on any payroll
deductions contributed to the Plan or credited to the Account of any Employee.

                                   ARTICLE VI
                               GRANTING OF OPTIONS

         6.1      Number of Option Shares. On each Offering Commencement Date,
each Employee who is eligible to participate in this Plan shall be granted an
option to purchase a maximum number of shares of the Common Stock determined by
dividing 15% of his expected Offering Period Pay by 85% of the Fair Market Value
of one share of the Common Stock on such Offering Commencement Date and rounding
the result down to the nearest whole number.

         6.2      Duration. Each option granted on an Offering Commencement Date
shall terminate on the immediately following Offering Exercise Date, unless
terminated earlier pursuant to the terms of the Plan.






                                  Page 4 of 10
<PAGE>   5

         6.3      Annual Limit on Options Granted. No option to purchase shares
under the Plan shall be granted to an Employee if such option, when combined
with all other options granted under all of the Code ss. 423 employee stock
purchase plans of the Company, its parents and its subsidiary corporations,
would permit such Employee to purchase shares of the Common Stock with a Fair
Market Value (determined at the time the option is granted) in excess of $25,000
for each calendar year in which the option is outstanding at any time,
determined in accordance with Code ss.423(b)(8).

         6.4      Option Exercise Price. The Option Exercise Price of each share
of the Common Stock shall be the lesser of (i) 85% of the Fair Market Value of
such share on the Offering Commencement Date, or (ii) 85% of the Fair Market
Value of such share on the Offering Exercise Date.

                                   ARTICLE VII
                               EXERCISE OF OPTIONS

         7.1      Automatic Purchase. As of each Offering Exercise Date and
except as provided in Sections 7.2 and 7.3 hereof, the Committee shall purchase,
for each Employee having funds credited to his Account, the number of whole
shares of the Common Stock which is the lesser of (i) the maximum number of such
shares for which such Employee has been granted an option to purchase during
such Offering Period, or (ii) the number of whole shares of the Common Stock
determined by dividing the amount credited to his Account by the Option Exercise
Price. No fractional shares shall be issued, and, except as provided in Sections
7.2 and 7.3 hereof, any amount in an Employee's Account that could have
represented the purchase of such fractional shares, or that exceeds the Option
Exercise Price for the shares of the Common Stock purchased on such Offering
Exercise Date, shall be carried forward in such Employee's Account and shall be
available for purchasing shares of Common Stock in the next succeeding Offering
Period.

         7.2      Maximum Amount of Common Stock Purchased. Notwithstanding any
provisions to the contrary contained herein, no Employee may use the amount
credited to his Account pursuant to the Plan during any calendar year for
purchase of Common Stock exceeding $25,000 in Fair Market Value (determined as
of the Offering Commencement Date). When this amount of Common Stock has been
purchased, any excess amount credited to an Employee's Account (including any
excess resulting from an inability to purchase a whole share) shall be returned
to such Employee, payroll deductions for such Employee shall cease, and such
Employee shall be ineligible to participate in any subsequent Offering Period
occurring during that same calendar year. Such Employee's election automatically
shall become effective on the first Offering Commencement Date of the next
succeeding calendar year, subject to the termination provisions herein. To the
extent that the amount credited to his Account pursuant to the Plan for purchase
of Common Stock during any calendar year is greater than necessary for such
purchase, any excess shall be returned to such Employee as promptly as
administratively practicable.

                                  ARTICLE VIII
                  DELIVERY OF COMMON STOCK; SHAREHOLDER RIGHTS

         As soon as practicable after each Offering Exercise Date, the Company
shall issue and deliver to each Employee certificates representing the shares of
the Common Stock, if any, purchased for such Employee, together with any cash to
which he may be entitled hereunder. Upon issuance of such certificates (but not
prior thereto), the Employee shall have all of the rights and privileges of a
shareholder of the Company with respect to such shares. Common Stock to be
delivered to an Employee pursuant to the Plan shall be registered in the name of
the Employee.

                                   ARTICLE IX
                           STOCK RESERVED FOR OPTIONS

         9.1      Shares Reserved for Use By Plan. The Company shall reserve a
total of five hundred fifty thousand (550,000) shares of the Common Stock for
issuance and purchase by Employees under the Plan; provided, however, this total
number of shares of Common Stock that may be issued pursuant to this Plan



                                  Page 5 of 10
<PAGE>   6





shall be automatically increased on the last trading day of the final month of
each calendar year of the Company, beginning with the calendar year ending
December 31, 2000, by (1) a number of Shares equal to 2% of the number of shares
of Common Stock outstanding on the last trading day of the month preceding the
final month of each such calendar year or (2) such lesser amount as may be
determined by the Board in its sole discretion, but in no event shall any such
annual increase exceed five hundred thousand (500,000) Shares (as adjusted for
any change contemplated in Article XII hereof). The number of shares of the
Common Stock reserved for the Plan may be adjusted as provided in Article XII.
The shares of the Common Stock reserved for the Plan may be shares now or
hereafter authorized but unissued or may be shares of treasury stock.

         9.2      Shares Subject to Unexercised Options. If and to the extent
that any right to purchase reserved shares of the Common Stock shall not be
exercised by the Employee who is the holder of such right, or if such right
shall terminate as provided herein, then the shares subject to such right to
purchase (i) shall again become available for purposes of the Plan, unless the
Plan shall have been terminated, and (ii) shall not be deemed to increase the
number of shares of the Common Stock reserved for purposes of the Plan.

                                    ARTICLE X
                             ADMINISTRATION OF PLAN

         10.1     Appointment of Committee. The Plan shall be administered by a
committee, which shall consist of those persons so designated by the Board. The
Board from time to time may remove members from, or add members to, the
Committee. Vacancies on the Committee shall be filled by the Board.

         10.2     Meetings. The Committee shall select one of its members as
Chairman and shall hold meetings at such times and places as the Chairman shall
determine. A majority of the members of the Committee shall constitute a quorum,
and the Committee may act by vote of a majority of its members at a meeting at
which a quorum is present, or without a meeting by a written consent to their
action signed by all members of the Committee.

         10.3     Authority. The Committee may request advice or assistance or
employ such other persons as are necessary for proper administration of the
Plan. Subject to the express provisions of the Plan, the Committee shall have
authority to interpret the Plan, to prescribe rules and regulations for
administering the Plan, and to make all other determinations necessary or
advisable in administering the Plan; all of such determinations shall be final
and binding upon all persons, unless otherwise determined by the Board. Without
amendment to the Plan, the Committee shall be authorized to:

                  (a)      limit the frequency and/or number of changes in the
         payroll deduction amounts withheld during an Offering Period;

                  (b)      permit payroll withholding in excess of the amount
         designated by an Employee in order to adjust for delays or mistakes in
         the Company's processing of properly completed election forms;

                  (c)      establish reasonable waiting and adjustment periods
         and/or accounting and crediting procedures to ensure that amounts
         applied toward the purchase of Company Stock for each Employee properly
         correspond with amounts withheld from the Employee's paychecks; and

                  (d)      establish such other limitations or procedures as it
         may determine, in its sole discretion, advisable which are consistent
         with the terms of the Plan.





                                  Page 6 of 10
<PAGE>   7

                                   ARTICLE XI
                             RIGHTS NOT TRANSFERABLE

         Rights under the Plan are not transferable by an Employee other than by
will or the laws of descent and distribution and are exercisable during his
lifetime only by him.

                                   ARTICLE XII
                          ADJUSTMENT IN CASE OF CHANGES
                          AFFECTING THE COMPANY'S STOCK

         12.1     General Rule. In the event of a split, subdivision or
consolidation of outstanding shares of the Common Stock, or in the event of any
"corporate transaction", as defined in Treas. Reg. ss.1.425-1(a)(1)(ii), other
than a transaction described in Section 12.2 hereof, the number of shares of the
Common Stock reserved or authorized to be reserved under the Plan and the number
and price of such shares subject to purchase pursuant to options outstanding
hereunder, in the sole discretion of the Committee, may be adjusted in such
manner as may be deemed necessary or equitable by the Committee to give proper
effect to such event. If any adjustment hereunder would create a fractional
share or a right to acquire a fractional share, such fractional share shall be
disregarded, and the number of shares available under the Plan or the number of
shares to which any Employee shall be entitled will be the next lower number of
shares, rounding all fractions downward. Notwithstanding anything herein to the
contrary, all adjustments to the shares of the Common Stock shall be made in
such a manner as to comply with the requirements of Code ss.424 and to preserve
the options' status under Code ss.423.

         12.2     Dissolution or Certain Mergers. A dissolution or liquidation
of the Company or a merger or consolidation in which the Company is not the
surviving corporation, shall cause each outstanding option to terminate;
provided, that each Employee shall, in such event, have paid to him in cash the
amount credited to his Account at that time prior to such dissolution or
liquidation, or merger or consolidation in which the Company is not the
surviving corporation.

         12.3     Rights of Employees. Except as hereinabove expressly provided,
no Employee shall have any rights by reason of any subdivision or consolidation
of shares of stock of any class or any other increase or decrease in the number
of shares of stock of any class by reason of any dissolution, liquidation,
merger or consolidation or spin-off of the assets or stock of another
corporation; and any issue by the Company of shares of stock of any class, or
securities convertible into shares of stock of any class, shall not affect, and
no adjustment by reason thereof shall be made with respect to, the number or
price of shares of the Common Stock subject to the option. The grant of an
option pursuant to the Plan shall not affect in any way the right or power of
the Company to make adjustments, reclassifications, reorganizations or changes
of its capital or business structure or to merge or to consolidate or to
dissolve, liquidate or sell, or transfer all or any part of its business or
assets.

                                  ARTICLE XIII
                 TERMINATION OF EMPLOYMENT OR DEATH OF EMPLOYEE

         13.1     Termination of Employment. In the event of an Employee's
termination of employment (for any reason other than death) during a Offering
Period (other than the last day of such Offering Period), any option granted to
him under the Plan shall terminate immediately upon the date his employment
ends, and the amount credited to his Account shall be refunded to him in cash as
soon as practicable after the earlier of (1) the Offering Exercise Date of such
Offering Period, or (2) the payroll period next following his termination of
employment.

         13.2     Death. In the event of an Employee's death during a Offering
Period (other than the last day of such Offering Period), any option granted to
him under the Plan for such Offering Period shall terminate immediately upon the
date of his death, and the amount credited to his Account for such Offering
Period shall be paid in cash to the person(s) designated as his beneficiary as
soon as practicable






                                  Page 7 of 10
<PAGE>   8

after the earlier of (1) the Offering Exercise Date of such Offering Period, or
(2) the payroll period next following his termination of employment. Also, in
the event any shares of the Common Stock and/or any cash is payable to the
deceased Employee with respect to an Offering Period ending on or before his
date of death, such shares and/or cash shall be paid to the person(s) designated
as his beneficiary.

         13.3     Beneficiary. An Employee may file with the Committee a written
designation of a beneficiary who is to receive any Common Stock or cash pursuant
to the Plan in the event of the death of such Employee prior to delivery to him
of such Common Stock or cash. Such designation of beneficiary may be changed by
the Employee, and upon receipt by the Committee of proof of the identity at the
Employee's death of a beneficiary validly designated by him pursuant to the
Plan, the Company shall deliver such Common Stock or cash to such beneficiary.
In the absence of a validly-designated beneficiary who is living at the time of
such Employee's death, the Company shall deliver such Common Stock or cash to
the estate of such Employee. No designated beneficiary shall, prior to the death
of the Employee by whom he has been designated, acquire any interest in the
Common Stock or cash which may be credited to the account of the Employee under
the Plan. Any decision by the Committee as to the person or persons to whom to
distribute the Common Stock or cash shall be binding and shall not create any
liability whatsoever on the part of the Company or the Committee or its members.

                                   ARTICLE XIV
                      AMENDMENT AND TERMINATION OF THE PLAN

         14.1     Amendment. The Board may amend the Plan in any respect;
provided, any amendment (i) increasing the number of shares of the Common Stock
reserved under the Plan, (ii) changing the designated class of employees
eligible to participate in the Plan, or (iii) materially increasing the benefits
accruing to Employees under the Plan, must be approved within 12 months of the
adoption of such an amendment by the holders of a majority of the voting power
of the outstanding shares of the Common Stock.

         14.2     Termination. The Plan and all rights of Employees hereunder
shall terminate:

                  (a) as of the Offering Exercise Date that Employees become
         entitled to purchase a number of shares of the Common Stock that
         substantially exhausts the number of such shares available for issuance
         under the Plan, to such an extent that the Board and the Committee
         determine that no subsequent options are practicable; or

                  (b) in the sole discretion of the Board, as of the end of any
         Offering Period with respect to future Offering Periods.

         14.3     Compliance. To the extent necessary for compliance with Code
ss.423 (or any successor provisions), the Company shall obtain shareholder
approval in such a manner and to such a degree as may be required for any
amendment to or termination of the Plan.

                                   ARTICLE XV
                                     NOTICES

         All notices or other communications by an Employee to the Committee
pursuant to or in connection with the Plan shall be deemed to have been duly
given when received in the form specified by the Committee at the location, or
by the person, designated by the Committee for the receipt thereof.







                                  Page 8 of 10
<PAGE>   9

                                   ARTICLE XVI
                          INDEMNIFICATION OF COMMITTEE

         In addition to such other rights of indemnification as they may have as
directors, the members of the Committee shall be indemnified by the Company
against reasonable expenses (including, without limitation, attorneys' fees)
actually and necessarily incurred in connection with the defense of any action,
suit or proceeding, or in connection with any appeal, to which they or any of
them may be a party by reason of any action taken or failure to act under or in
connection with the Plan or any option granted hereunder, and against all
amounts paid by them in settlement thereof (provided such settlement is approved
to the extent required by and in the manner provided by the Bylaws of the
Company relating to indemnification of directors) or paid by them in
satisfaction of a judgment in any such action, suit or proceeding, except in
relation to matters as to which it shall be adjudged in such action, suit or
proceeding that such Committee member or members did not act in good faith and
in a manner he reasonably believed to be in or not opposed to the best interests
of the Company.

                                  ARTICLE XVII
                            WITHHOLDING REQUIREMENTS

         At the time the option is exercised, in whole or in part, or at the
time some or all of the Common Stock issued under the Plan is disposed of, the
Employee must make adequate provision for the Company's federal, state, or other
tax withholding obligations, if any, which arise upon the exercise of the option
or the disposition of the Common Stock. At any time, the Company may, but will
not be obligated to, withhold from the Employee's compensation the amount
necessary for the Company to meet applicable withholding obligations, including
any withholding required to make available to the Company any tax deductions or
benefits attributable to sale or early disposition of Common Stock by the
Employee.

                                  ARTICLE XVIII
                              CONSTRUCTION OF PLAN

         For purposes of the Plan, masculine, feminine, neuter, singular or
plural pronouns shall be deemed to refer to such person, persons or entity as
may be appropriate in the context.

                                   ARTICLE XIX
                                EXPENSES OF PLAN

         The Company shall pay all operational expenses of the Plan, including,
without limitation, all brokerage commissions due and payable for the purchase
and sale of Common Stock.

                                   ARTICLE XX
                                   COMPLIANCE

         The Plan is intended to comply with the requirements of Code ss.423
(and any of its successor provisions). Pursuant to Code ss.423, an Employee may
be eligible for certain favorable tax treatment with regard to Common Stock
purchased under the Plan, if no disposition of the Common Stock is made by such
Employee within 2 years after the date of the granting of the option to him
under the Plan nor within 1 year after the transfer of the Common Stock to him.

                                   ARTICLE XXI
                        EMPLOYEE STATEMENTS AND REPORTING

         On or before January 31 of each calendar year, the Committee shall
provide a statement to each Employee who exercised an option under the Plan
during the previous calendar year. The Employee's statement shall contain the
following information: the name, address and employer identification number of
the Company, the date the Common Stock was transferred to the Employee, the
number of shares which were transferred to the Employee, and the type of option
under which the transferred shares were







                                  Page 9 of 10
<PAGE>   10

acquired. In addition, pursuant to Code ss.6039, the Committee shall make any
and all filings necessary to the Internal Revenue Service with regard to options
granted and exercised under the Plan.

                                  ARTICLE XXII
                             EFFECTIVE DATE OF PLAN

         The Plan shall become effective as of the Effective Date; provided,
within 12 months of the adoption of the Plan by the Board, the Plan is approved
by the holders of a majority of the voting power of the outstanding shares of
the Common Stock. If the Plan is not so approved, the Plan shall not become
effective and any prior grant of options hereunder shall be null and void ab
initio.

         IN WITNESS WHEREOF, the Plan is hereby executed by a duly authorized
officer of the Company, on this 3rd day of December, 1999.



                                        COMPANY:

                                        WITNESS SYSTEMS, INC.

                                        By:  /s/ David B. Gould
                                           -------------------------------------

                                        Title:   President
                                              ----------------------------------




                                 Page 10 of 10


<PAGE>   1
                                                                    EXHIBIT 21.1




                              LIST OF SUBSIDIARIES

                           Witness Systems UK Limited

<PAGE>   1

                                                                    EXHIBIT 23.1

                          INDEPENDENT AUDITORS' REPORT

The Board of Directors
Witness Systems, Inc.:

     Under date of February 21, 2000, we reported on the consolidated balance
sheets of Witness Systems, Inc. and subsidiary (the "Company") as of December
31, 1998 and 1999, and the related consolidated statements of operations,
stockholders' deficit, and cash flows for each of the years in the three-year
period ended December 31, 1999 included herein. In connection with our audits of
the aforementioned consolidated financial statements, we also audited the
related consolidated financial statement schedule included herein. The financial
statement schedule is the responsibility of the Company's management. Our
responsibility is to express an opinion on the financial statement schedule
based on our audits.

     In our opinion, such financial statement schedule, when considered in
relation to the basic consolidated financial statements taken as a whole,
presents fairly, in all material aspects, the information set forth therein.

                                          /s/ KPMG LLP

Atlanta, Georgia
February 21, 2000

<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<EXCHANGE-RATE>                                      1
<CASH>                                           2,630
<SECURITIES>                                         0
<RECEIVABLES>                                    4,453
<ALLOWANCES>                                       438
<INVENTORY>                                          0
<CURRENT-ASSETS>                                 7,668
<PP&E>                                           4,238
<DEPRECIATION>                                   2,291
<TOTAL-ASSETS>                                  10,843
<CURRENT-LIABILITIES>                           13,412
<BONDS>                                              0
                           22,837
                                          0
<COMMON>                                           103
<OTHER-SE>                                     (25,759)
<TOTAL-LIABILITY-AND-EQUITY>                    10,843
<SALES>                                         22,973
<TOTAL-REVENUES>                                22,973
<CGS>                                            4,293
<TOTAL-COSTS>                                    4,293
<OTHER-EXPENSES>                                   678
<LOSS-PROVISION>                                   226
<INTEREST-EXPENSE>                                 490
<INCOME-PRETAX>                                 (7,004)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             (7,004)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    (7,004)
<EPS-BASIC>                                      (1.37)
<EPS-DILUTED>                                    (1.37)


</TABLE>

<PAGE>   1
                                                                   EXHIBIT 99.1



                        SAFE HARBOR COMPLIANCE STATEMENT
                         FOR FORWARD-LOOKING STATEMENTS

         In passing the Private Securities Litigation Reform Act of 1995, or
the Reform Act, Congress encouraged public companies to make "forward-looking
statements" by creating a safe harbor to protect them from securities law
liability in connection with these statements. We intend to qualify both our
written and oral forward-looking statements for protection under the Reform Act
and any other similar safe harbor provisions.

         Generally, forward-looking statements include expressed expectations
of future events and the assumptions on which these expectations are based. All
forward-looking statements are inherently uncertain as they are based on
expectations and assumptions concerning future events, and they are subject to
numerous known and unknown risks and uncertainties that could cause actual
events or results to differ materially from those projected. Due to those
uncertainties and risks, the investment community is urged not to place undue
reliance on our written or oral forward-looking statements. We do not undertake
any obligation to update or revise this Safe Harbor Compliance Statement for
Forward-Looking Statements to reflect future developments. In addition, we do
not undertake any obligation to update or revise forward-looking statements to
reflect changed assumptions, the occurrence of unanticipated events or changes
to future operating results over time.

         We provide the following risk factor disclosure in connection with our
continuing effort to qualify our written and oral forward-looking statements
for the safe harbor protection of the Reform Act and any other similar safe
harbor provisions. Important factors currently known to our management that
could cause actual results to differ materially from those in forward-looking
statements include the disclosures contained in the Annual Report on Form 10-K
to which this statement is appended as an exhibit and also include the
following:

WE HAVE NOT ACHIEVED PROFITABILITY TO DATE, WE EXPECT LOSSES IN THE FUTURE AND
WE MAY NOT EVER BECOME PROFITABLE

    We have incurred substantial losses since our inception and expect to
continue to suffer losses in the future. In every fiscal period since we began
operations, our business has not experienced sufficient cash flow to fund our
operations without acquiring capital from other sources. In addition, we expect
to continue to devote substantial resources to research and development,
professional services and sales and marketing activities. As a result, we will
need to generate significant revenues to achieve and sustain profitability in
any future period, and we may never be able to do so. If we fail to achieve
profitability at all or within the time frame expected by investors, it will
materially and adversely affect the market price of our stock.

OUR QUARTERLY REVENUES, EXPENSES AND OPERATING RESULTS ARE LIKELY TO FLUCTUATE,
WHICH MAY CAUSE OUR STOCK PRICE TO DECLINE

    Our quarterly revenues, expenses and operating results could vary
significantly from period to period. In particular, we derive a significant
portion of our software license revenue in each quarter from a small number of
relatively large orders. A delay in the recognition of revenues from one of
these orders may cause our results of operations during a quarter to be lower
than we expect. The delay or failure to close anticipated sales in a particular
quarter could reduce our revenues in that quarter and subsequent quarters over
which revenues for the sale would likely be recognized. In addition, because
our revenues from implementation, maintenance and training services largely
correlates with our license revenues, a decline in license revenues could also
cause a decline in our services revenues in the same quarter or in subsequent
quarters. Our revenues, expenses and operating results may vary significantly
in response to the risk factors described in this section, as well as the
following factors, some of which are beyond our control:


<PAGE>   2


    -   a decrease in demand for our software or, more generally, for products
        that record and analyze the interactions between a business and its
        customers;

    -   announcements or introductions of new products and services by our
        competitors;

    -   product pricing decisions by our competitors;

    -   our ability to develop, market and manage new software, software
        enhancements and services;

    -   the deferral of orders for our software or delays in the  implementation
        of our software from one quarter to a later quarter;

    -   how quickly we are able to develop new software,  software  enhancements
        and services that our customers require;

    -   how much money we have to spend to improve our software, services and
        operations;

    -   customer delays in purchasing our software or services due to Year 2000
        concerns;

    -   the lengthiness and unpredictability of sales cycles for our software;

    -   the mix of revenue generated by software licenses and related services;

    -   the timing and size of our capital expenditures and changes in our
        working capital; and

    -   general economic factors and changes in technology that could cause our
        existing and potential customers to decrease what they spend on
        customer relationship management software.

    Due to the foregoing factors, we believe that quarter-to-quarter comparisons
of our operating results may not be a good indication of our future
performance, and you should not rely on them to predict our future performance
or the future performance of our stock price. Historically, our revenue growth
has fluctuated significantly from one quarter to the next. If our future
revenues or operating results fall below the expectations of investors or
securities analysts, the price of our common stock would likely decline.

SEASONAL TRENDS IN SALES OF BUSINESS SOFTWARE OR CUSTOMER INTERACTION LEVELS MAY
AFFECT OUR QUARTERLY REVENUES

    The market for business software has experienced seasonal fluctuations in
demand. The first and third quarters of the year have been typically
characterized by lower levels of revenues. We believe that these fluctuations
are caused in part by customer buying patterns, which are influenced by
year-end budgetary pressures and by sales force commission structures. Customer
interaction centers typically experience much higher volumes of customer
contact during and immediately following the year-end holiday season. As a
result, many customers may elect to defer installation of our software during
this time. This has caused us to experience, and we expect to continue to
experience, seasonal fluctuations in our revenues. As our revenues grow,
seasonal fluctuations in our revenues may become more evident.

WE FACE INTENSE COMPETITION THAT COULD ADVERSELY AFFECT OUR REVENUES,
PROFITABILITY AND MARKET SHARE

    The market for products that record and analyze customer interactions is
intensely competitive and experiences rapid changes in technology. We believe
our principal competitors include, but are not limited to:

    -   quality monitoring suppliers to the contact center industry;

    -   traditional call-logging vendors;


<PAGE>   3


    -   systems integrators and consulting firms; and

    -   new, larger and more established entities that may acquire, invest in or
        form joint ventures with providers of recording or performance
        enhancing software solutions.

    Many of our current and potential competitors have longer operating
histories, more established business relationships, larger customer bases, a
broader range of products and services, greater name recognition and
substantially greater financial, technical, marketing, personnel, management,
service, support and other resources than we do. This could allow our current
and potential competitors to respond more quickly than we can to new or
emerging technologies and changes in customer requirements, better take
advantage of acquisitions and other opportunities, devote greater resources to
the marketing and sale of their products and services and adopt more aggressive
pricing policies. In addition, many of our competitors market their products
through resellers and companies that integrate their technology and products
with those of the competitor. These resellers and technology partners of our
competitors often have strong business relationships with our customers and
potential customers. Our competitors may use these business relationships to
market and sell their products and compete for customers with us. We cannot
assure you that our competitors will not offer or develop products and services
that are superior to ours.

     In addition, we have developed, and intend to continue to develop,
relationships with companies that resell our software and companies that provide
us with customer referrals or leads. Revenues from our resellers have not been
significant to date. We expect revenues from our resellers, and accordingly our
dependence on resellers, to increase as we establish more relationships with
companies to resell our software worldwide. We engage in joint marketing and
sales efforts with our resellers, and rely on them for recommendations of our
software during the evaluation stage of the purchase process. When we enter into
agreements with these companies, the agreements are not exclusive and may
ordinarily be terminated by either party. Some of these companies have similar,
and often more established, relationships with our competitors, and may
recommend the products and services of our competitors to customers instead of
our software and services. In addition, through their relationships with us,
these companies could learn about our software and the market for our software
and services and could develop and sell competing products and services. As a
result, our relationships with these companies could lead to increased
competition for us.

    Our software must integrate with software and hardware solutions provided
by a number of our existing and potential competitors. These competitors or
their business partners could alter their products so that our software no
longer integrates well with them, or they could delay or deny our access to
software releases that allow us to timely adapt our software to integrate with
their products. They could thus effectively prevent us from modifying our
software to keep pace with the changing technology of their products. If we
cannot adapt our software to changes in our competitors' technology, it may
significantly impair our ability to compete effectively, particularly if our
software must integrate with the software and hardware solutions of our
competitors.

    We expect that competition will increase as other established and emerging
companies enter our market and as new products, services and technologies are
introduced. Increased competition may result in price reductions, lower gross
margins and loss of our market share. This could materially and adversely
affect our business, financial condition and results of operations.

OUR SOFTWARE HAS A LONG SALES CYCLE WHICH MAKES IT DIFFICULT TO PLAN OUR
EXPENSES AND FORECAST OUR RESULTS

    Although it typically takes three to six months from the time we qualify a
sales lead until we sign a contract with the customer, we occasionally
experience a longer sales cycle. It is therefore difficult to predict the
quarter in which a particular sale will occur. If our sales cycle unexpectedly
lengthens for one or more large orders or a significant number of small orders,
it would adversely affect the timing of our revenues and the timing of our
corresponding expenditures. This could harm our ability to meet our financial
forecasts for a given quarter. Our customers' decisions regarding their
purchase of our software and services is relatively long due to several
factors, including:


<PAGE>   4


    -   the complex nature of our software;

    -   our need to educate potential customers about the uses and benefits of
        our software;

    -   the investment of money and other resources required by customers to
        purchase and implement our software;

    -   customers' budget cycles and operating activities, which affect the
        timing of their purchases;

    -   the  competitive  evaluation  and  internal  approval  process  many  of
        our customers undertake before purchasing our software and services;

    -   delayed purchases due to announcements or planned  introductions of new
        software or software enhancements by us or our competitors; and

    -   the length of time some of our larger customers require to make a
        decision to purchase our software and services.

IF WE FAIL TO DEVELOP NEW SOFTWARE OR IMPROVE OUR EXISTING SOFTWARE TO MEET OR
ADAPT TO THE CHANGING NEEDS AND STANDARDS OF OUR TARGET MARKET, SALES OF OUR
SOFTWARE AND SERVICES MAY DECLINE

    Our future success depends upon our ability to develop and introduce new
software and software enhancements which meet the needs of companies seeking to
record and analyze their interactions with customers. To achieve increased
market acceptance of our software and services, we must, among other things,
continue to:

    -   improve our existing software and introduce new software solutions;

    -   incorporate new technology into our software and services on a timely
        and cost-effective basis;

    -   keep pace with the products and services of our competitors;

    -   satisfy the changing requirements of our current and potential
        customers;

    -   improve the effectiveness of our software, particularly in
        implementations involving very large databases and large numbers of
        simultaneous users;

    -   enhance our software's ease of administration;

    -   improve our software's ability to extract data from existing software
        systems; and

    -   adapt to rapidly changing computer operating system, database and
        software platform standards and Internet technology.

    We may require substantial product development expenditures and lead-time
to keep pace and ensure compatibility with new technology in our industry. If
we fail to develop and introduce new software and enhancements for our existing
software, our software and services may not achieve market acceptance and we
may be unable to attract new customers. We may also lose existing customers, to
whom we seek to sell additional software and services. Also, we have only
recently released our eQuality Analysis and eQuality Interactive software that
permit recording and analysis of Web chat interactions. We cannot assure you
that we will derive revenues from these products in the future. Moreover, we
cannot be certain how the emergence of the Internet will impact our business.
It may lead to a change in the way call and contact centers operate, which may
ultimately reduce the demand for our software. If this happens it would
materially and adversely affect our business, financial condition and results
of operations.

<PAGE>   5
    In September 1999, we acquired technology to store and retrieve
substantially larger volumes of data than our software is currently capable of
storing and retrieving. This technology had not yet progressed to a stage where
it had reached technological feasibility, and we are currently working on a
project to develop this technology. We cannot assure you that we will
successfully complete this project in a timely manner. If we are unable to
develop this technology in a timely manner, it may adversely affect our ability
to compete and our ability to attract new customers.

    We believe that our future success also depends upon the continued ability
of our software to work with the products and other technologies offered by
other software and hardware companies. New products may not be compatible with
our software, but may be compatible with the products of our competitors. In
addition, industry standards may not be established, or we may not be able to
conform to new standards in a timely fashion to remain competitive. Our failure
to conform to prevailing technology standards in our industry could limit our
ability to compete and adversely affect our business.

IF THE MARKET IN WHICH WE SELL OUR SOFTWARE AND SERVICES DOES NOT GROW AS WE
ANTICIPATE, WE WILL BE UNABLE TO CONTINUE OUR GROWTH

    The market for customer relationship management software, including
software that records and analyzes customer interactions, is still emerging. If
the market for this software does not grow as quickly or become as large as we
anticipate, we may not be able to continue our growth or may grow more slowly
than expected. Continued growth in demand for this software remains uncertain
because our potential customers may:

    -   not understand the benefits of using customer relationship management
        software generally or, more specifically, software which records and
        analyzes the interactions between a business and its customers;

    -   not achieve favorable results using this software;

    -   experience technical difficulty in implementing this software; or

    -   use alternative methods to solve the same business problems this
        software is intended to address.

    In addition, our software is designed to address the needs of contact
centers. If the number of contact centers does not increase as we expect, or if
it grows more slowly than we anticipate, we may not be able to continue our
growth or may grow more slowly than expected.

WE RELY HEAVILY ON SALES OF OUR EQUALITY BALANCE AND EQUALITY EVALUATION
SOFTWARE

    Our financial performance has depended, and will continue to depend, on our
ability to develop and maintain market acceptance of our eQuality Balance
software and new and enhanced versions of it. Historically, all of our license
revenues have been derived from the sale of our eQuality Balance and eQuality
Evaluation software, and we expect revenues from these two products to continue
to account for substantially all of our revenues for the foreseeable future. As
a result, factors which adversely affect the pricing or demand for our eQuality
Balance and eQuality Evaluation software, such as competitive pressures,
technological change or evolution in customer preferences, could materially and
adversely affect our business, financial condition and results of operations.
Many of these factors are beyond our control and difficult to predict.

IF OUR INTERNAL PROFESSIONAL SERVICES EMPLOYEES DO NOT PROVIDE INSTALLATION
SERVICES EFFECTIVELY AND ACCORDING TO SCHEDULE, OUR CUSTOMERS MAY NOT USE OUR
IMPLEMENTATION SERVICES OR MAY STOP USING OUR SOFTWARE

    Customers that license our products ordinarily purchase installation,
training and maintenance services, which they typically obtain from our
internal professional services organization. Because our software must be
installed to work with a number of computer and telephone network systems,
installation of our software


<PAGE>   6


can be difficult. These systems vary greatly from one customer site to another,
and the versions and integration requirements of these third party systems
change frequently. We believe that the speed and quality of installation
services are competitive factors in our industry. If our installation services
are not satisfactory to our customers, the customers may choose to not use our
implementation services to install software they license from us. In addition,
these customers may determine that they will not license our software and
instead will use the products and services of one of our competitors. If this
happens, we would lose licensing and services revenues from these customers,
and it would likely harm our reputation in the industry in which we compete.
This could materially and adversely affect our business, financial condition
and results of operations.

IF WE NEED ADDITIONAL FINANCING TO MAINTAIN OR EXPAND OUR BUSINESS, IT MAY NOT
BE AVAILABLE ON FAVORABLE TERMS, OR AT ALL

    Although we believe that the net proceeds from the initial public offering,
together with our current cash and borrowing capacity, will be sufficient to
meet our anticipated cash needs for working capital and capital expenditures
for at least the next 12 months, we expect to incur net losses for the
foreseeable future and may need additional funds to expand or meet all of our
operating needs. If we need additional financing, we cannot be certain that it
will be available to us on favorable terms, or at all. Further, if we raise
additional funds by issuing equity securities, your ownership interest could be
significantly diluted, and any additional equity securities we issue may have
rights, preferences or privileges senior to your rights. Also, the terms of any
additional financing we obtain may significantly limit our future financing and
operating activities. If we need funds and cannot raise them on acceptable
terms, we may be forced to sell assets or seek to refinance our outstanding
obligations. We may also be unable to:

    -   develop and enhance our software to remain competitive;

    -   take advantage of future opportunities, such as acquisitions; or

    -   respond to changing customer needs and our competitors' innovations.

    Any of these events could significantly harm our business and financial
condition and limit our growth.

IF WE DO NOT CONTINUE TO EXPAND THE DISTRIBUTION OF OUR PRODUCTS THROUGH DIRECT
AND INDIRECT SALES CHANNELS, WE MAY BE UNABLE TO EXPAND OUR MARKET SHARE OR
INCREASE OUR REVENUES

    To expand our market share and revenues, attract new customers and increase
sales to existing customers, we will need to expand our direct and indirect
channels of distribution. Although we have historically received the greatest
part of our revenues from direct sales, we will require an increase in our
direct sales to achieve our growth plans. To accomplish this, we will need to
expand our direct sales force by hiring additional sales personnel and
management, and increase the number of relationships we have with companies that
provide us with customer referrals or leads for new business. Historically, it
has taken us up to six months to train new sales personnel before they reach an
acceptable level of productivity. We have also experienced difficulty in finding
new sales personnel with experience in computer and telephone integration
technologies. We cannot assure you that we will be able to continue to find an
adequate number of new sales personnel meeting our specific needs. If the
personnel we hire are less qualified, it may take us more time to train them and
they may take a longer time to reach an acceptable level of productivity. We
cannot assure you that we will be able to hire the necessary sales personnel and
management on reasonable terms, or at all. Moreover, we will be required to
train any new personnel, and the new personnel may not reach full productivity
for a long period of time.

    We also intend to derive revenues from our indirect sales channel through
relationships with companies that resell our software. In particular, we intend
to use resellers to increase our sales internationally and to market our
software to small and medium contact centers.

    Historically, we have entered into agreements with only a small number of
companies that resell our software and companies that provide us with customer
referrals. and only a small portion of our revenues


<PAGE>   7


were generated through these resellers. When we enter into agreements with
these companies, they are not exclusive and may ordinarily be terminated by
either party. Some of these companies have similar, and often more established,
relationships with our competitors, and may recommend the products and services
of our competitors to customers instead of our software and services.
Maintaining reseller relationships in today's rapidly evolving marketplace has
proven to be difficult. We cannot assure you that we will be able to maintain
productive relationships or that we will be able to establish similar
relationships with additional companies on a timely basis, or at all. In
addition, we cannot be certain that these distribution partners will devote
adequate resources to selling our software and services. If we are unable to
maintain and expand our direct sales force and indirect distribution channels,
we will not be able to increase our revenues and our business will suffer.

OUR FAILURE TO PROPERLY MANAGE OUR RAPID GROWTH COULD STRAIN OUR RESOURCES AND
MAKE IT DIFFICULT TO SUPPORT OUR FUTURE OPERATIONS

    Our business could suffer if we fail to effectively manage our growth. Our
growth in revenues and number of employees has placed, and will continue to
place, a significant strain on our management, personnel, systems, controls and
other resources. If we are unable to effectively manage our growth, it may be
difficult to support our future operations. To manage growth effectively, we
must:

    -   accurately  predict the growth in demand for our  software  and expand
        our capacity and implementation services to meet that demand;

    -   expand and improve our operating and financial systems, procedures and
        controls;

    -   attract, train, motivate, manage and retain key personnel;

    -   expand our facilities;

    -   successfully integrate the operations and personnel of any businesses we
        acquire; and

    -   respond quickly and effectively to unanticipated changes in our
        industry.

IF WE FAIL TO EXPAND AND MANAGE OUR INTERNATIONAL OPERATIONS, WE MAY BE UNABLE
TO REACH OR MAINTAIN OUR DESIRED LEVELS OF REVENUE OR PROFITABILITY

    Historically, revenues from customers located outside of North America have
not produced significant revenue. Our current goal is to increase our
international revenues to approximately 20% of our total revenues by the end of
2002. In order to achieve this, we intend to continue to expand our
international operations through internal business expansion and strategic
business relationships. Our operations outside of North America currently
consist of fewer than ten dedicated employees located in the United Kingdom.
Most of our international revenues have come from international branches of our
customers based in North America. We have established relationships with a small
number of international resellers, but historically we have not recognized a
material amount of revenues from these relationships. In addition to general
risks associated with international expansion, such as foreign currency
fluctuations and political and economic instability, our plans to expand
internationally may be adversely affected by a number of risks, including:

    -   limited development of an international market for our software and
        services;

    -   the challenges we face in expanding and training our international sales
        force and support operations;

    -   expenses associated with customizing products for multiple countries;

    -   longer  payment  cycles,   different  accounting  procedures  and
        difficulties in collecting accounts receivable; and


<PAGE>   8


    -   multiple, conflicting and changing governmental laws and regulations
        governing intellectual property, call monitoring and the recording of
        employees.

    As we further expand our operations outside the United States, we will face
new competitors and competitive environments. In addition to the risks
associated with our domestic competitors, foreign competitors may pose an even
greater risk, as they may possess a better understanding of their local markets
and better working relationships with local infrastructure providers and
others. In particular, because telephone protocols and standards are unique to
each country, local competitors will have more experience with, and may have a
competitive advantage in, these markets. We may not be able to obtain similar
levels of local knowledge or similar relationships in foreign markets, which
could place us at a significant competitive disadvantage.

OUR FAILURE TO PROTECT OUR INTELLECTUAL PROPERTY MAY LEAD TO THIRD PARTIES
USING OUR TECHNOLOGY FOR THEIR OWN BENEFIT AND OUR FAILURE TO ACCESS THIRD
PARTY TECHNOLOGY COULD DELAY THE DEVELOPMENT OR SALE OF OUR SOFTWARE

    Our success depends to a significant degree upon the legal protection of
our software and other proprietary technology rights. We rely on a combination
of patent, trade secret, copyright and trademark laws and confidentiality and
non-disclosure agreements with employees and third parties to establish and
protect our proprietary rights. These measures may not be sufficient to protect
our proprietary rights, and we cannot be certain that third parties will not
misappropriate our technology and use it for their own benefit. Also, most of
these protections do not preclude our competitors from independently developing
products with functionality or features substantially equivalent or superior to
our software. Any failure to protect our intellectual property could have a
material adverse effect on our business.

    As of December 31, 1999, we have three United States registered trademarks,
one patent generally relating to our voice and data synchronization technology
and data capture technique and seven pending copyright registrations protecting
our software source code. We cannot assure you that we will file further
patent, trademark or copyright applications, that any future applications will
be approved, that any existing or future patents, trademarks or copyrights will
adequately protect our intellectual property or that any existing or future
patents, trademarks or copyrights will not be challenged by third parties.
Furthermore, one or more of our existing or future patents, trademarks or
copyrights may be found to be invalid or unenforceable.

    We are aware of certain uses, United States trademark registrations, and
United States trademark applications for the trademark "(e)Quality" and its
variations that predate our use of, and United States trademark application
for, our trademarks eQuality and Bringing eQuality to eBusiness. It is possible
that the United States Patent and Trademark Office will deny our United States
trademark applications. In addition, it is possible that the owner of legal
rights resulting from one or more of these prior uses, United States trademark
registrations, or United States trademark applications will bring legal action
to prevent us from registering and/or using the trademarks eQuality and
Bringing eQuality to eBusiness, and may also seek compensation for damages
resulting from our use of these trademarks. As a result, we cannot assure you
that our efforts to use and register these trademarks will ultimately be
successful, or that this use will not result in liability for trademark
infringement, trademark dilution, and/or unfair competition.

    We are also currently evaluating whether to revise one aspect of the patent
for our synchronization techniques. If we are unsuccessful, we may not be able
to enforce any aspect of that patent against third parties who infringe it. We
also have two patent applications pending in the United States Patent and
Trademark Office. There is no guarantee that our pending applications will
result in issued patents or, if issued, that they will provide us with any
competitive advantages.

    Moreover, the laws of other countries in which we market our products may
afford little or no effective protection of our proprietary technology. If we
resort to litigation to enforce our intellectual property rights, the
proceedings could be burdensome and expensive, would likely divert valuable
management and product


<PAGE>   9


development resources and could involve a high degree of risk, regardless of
whether we win or lose the litigation.

    We rely on technology licensed from third parties, including databases,
application programming interfaces, developmental tools and software necessary
to integrate our software with third party technology and products. In
addition, third party products are bundled with our software. If we lose access
to this technology, or if it is not available to us on reasonable terms, it
could cause delays in our development and introduction of new and enhanced
software until we can obtain equivalent or replacement technology, if
available, or develop this technology internally, if feasible. If we lost
access to technology that is bundled with our software, this would require us
to modify or redesign our software and could cause a delay in our ability to
market and sell our current software, or a delay in our ability to develop,
market and sell new or enhanced software. This delay or a failure to obtain
replacement technology could have a material adverse effect on our business,
financial condition and results of operations.

CLAIMS BY OTHER COMPANIES THAT OUR SOFTWARE INFRINGES THEIR INTELLECTUAL
PROPERTY COULD REQUIRE US TO INCUR SUBSTANTIAL EXPENSES OR PREVENT US FROM
SELLING OUR SOFTWARE OR SERVICES

    If any of our software violates the intellectual property rights of others,
we may be required to reengineer or redevelop our software, seek to obtain
licenses from third parties to continue offering our software without
substantial reengineering, or conduct studies of such intellectual property
rights so as to evaluate whether such intellectual property rights are valid or
enforceable. Any efforts to reengineer our software or obtain licenses from
third parties may not be successful, could be extremely costly and would likely
divert valuable management and product development resources. Any efforts to
study the intellectual property rights of third parties may not be successful
and could reveal that such intellectual property rights are valid and
enforceable, could be extremely costly and would likely divert valuable
management and product development resources.

    In addition, in the rapidly developing technological environment in which
we operate, third parties may have filed a number of patent applications, many
of which are confidential when filed. If our software is found to violate these
patents when they are issued or any other intellectual property of others, we
may become subject to claims for infringement. An infringement claim against us
could result in the loss of our proprietary rights and, whether meritorious or
not, could be time-consuming, result in costly litigation or require us to pay
damages or enter into royalty or licensing agreements on terms that are
unfavorable to us. Royalty or licensing agreements might not be available to us
on reasonable terms or at all. In addition, our customers may become subject to
claims if the software they license from us infringes the intellectual property
of others. Our license agreements with our customers generally provide that we
will indemnify the customers for liability they incur as a result of these
infringement claims. As a result, any infringement claim could materially and
adversely affect our business, financial condition and results of operations.

    Approximately two years ago, we were accused of infringing a patent owned
by a third party. We undertook to study the matter, concluded that the asserted
patent was not infringed, and informed the third party of our belief that the
patent was not infringed. Following an exchange of correspondence between
September 1996 and January 1998, nothing further was heard from the patent
owner.

    Although we have not exchanged correspondence with this third party since
January 1998, we cannot assure you that a renewed claim of infringement by this
third party, either in connection with the patent referred to above or another
patent or other intellectual property, or a claim of infringement by a
different patent or other intellectual property owner, will not be asserted
against us in the future. Furthermore, we expect that we and other participants
in our industry and related industries will be increasingly subject to
infringement claims as the number of competitors with patent and other
intellectual property portfolios in these industries grows. Although patent and
intellectual property disputes may be settled through licensing or similar
arrangements, costs associated with these arrangements may be substantial and
we cannot assure you that necessary licenses or similar arrangements will be
made available to us on a reasonable basis or at all. Consequently, if we
become subject to an adverse determination in a judicial or administrative
proceeding or we fail to obtain necessary licenses it could prevent us from
producing and selling our


<PAGE>   10


software. This would have a material adverse effect on our business, financial
condition and results of operations.

    In addition, if we decide to, or are forced to, litigate any of these
claims, the litigation could be expensive and time-consuming, could divert our
management's attention from other matters, and could otherwise materially and
adversely affect our business, financial condition and results of operations,
regardless of the outcome of the litigation. Litigation and intellectual
property claims against us could also disrupt our sale of software.
Additionally, it could lead to claims by third parties against our customers
and others using our software. Our customers and these other users of our
software would likely hold us responsible for these claims and any resulting
harm they suffer.

GOVERNMENT REGULATION OF TELEPHONE AND INTERNET MONITORING COULD CAUSE A
DECLINE IN THE USE OF OUR SOFTWARE, RESULT IN INCREASED EXPENSES FOR US OR
SUBJECT US AND OUR CUSTOMERS TO LIABILITY

    As the telecommunications industry continues to evolve, state, federal and
foreign governments may increasingly regulate the monitoring of
telecommunications and telephone and Internet monitoring and recording
products, such as our software. We believe that increases in regulation could
come in the form of a number of different kinds of laws, including privacy and
employment regulations. The adoption of new laws governing the use of our
software or changes made to existing laws could cause a decline in the use of
our software and could result in increased expenses for us, particularly if we
are required to modify our software to accommodate these new or changing laws.
Moreover, new laws or changes to existing laws could subject us and our
customers to liability. In addition, whether or not these laws are adopted, if
we do not adequately address the privacy concerns of consumers, companies may
be hesitant to use our software. If any of these events occur, it could
materially and adversely affect our business.

OUR PRODUCTS MAY FAIL TO PERFORM PROPERLY, WHICH MAY CAUSE US TO INCUR
ADDITIONAL EXPENSES OR LOSE SALES

    Our software is used in a complex operating environment that requires its
integration with computer and telephone networks and other business software
applications. Furthermore, the hardware, software and network systems generally
used in conjunction with our software, particularly telephone standards and
protocols, change rapidly. The evolution of these standards may cause our
products to function slowly or improperly. Poor product performance may
necessitate redevelopment of our product or other costly reengineering measures
which may divert our management and product development resources and funds.
Due to the large number of, and variations in, computer and telephone network
systems and applications, as well as the rapid changes in these products, our
testing process may be unable to duplicate all possible environments in which
our software is expected to perform. Any errors or defects that are discovered
after we release new or enhanced software could cause us to lose revenue, cause
a delay in the market acceptance of our software, damage our customer
relationships and reputation and increase our service and warranty costs.

IF WE ARE UNABLE TO ATTRACT AND RETAIN KEY PERSONNEL, WE MAY NOT BE ABLE TO
EFFECTIVELY MANAGE AND EXPAND OUR BUSINESS

    Our future success will depend in large part on our ability to hire, train,
retain and motivate a sufficient number of qualified personnel, particularly in
sales, marketing, research and development, service and support. In particular,
competition for research and development personnel with computer and telephone
integration skills is intense, and turnover of technical personnel is
particularly high in our industry. If we are unable to attract and retain
qualified personnel or if we experience high personnel turnover, it would
increase our costs of operations and could prevent us from effectively managing
and expanding our business.

    Our future success also depends upon the continued service of our executive
officers, particularly our Chairman, President and Chief Executive Officer,
David Gould. We have an employment agreement with Mr. Gould and non-compete
agreements with all of our executive officers. However, any of our executive
officers and other employees could terminate his or her relationship with us at
any time. The loss of the


<PAGE>   11


services of our executive officers or other key personnel could materially and
adversely affect our business. In addition, if one or more of our executive
officers or key employees were to join one of our competitors or otherwise
compete with us, it could harm our business.

WE MAY MAKE ACQUISITIONS OR INVESTMENTS THAT ARE NOT SUCCESSFUL AND THAT
ADVERSELY AFFECT OUR ONGOING OPERATIONS

    We may acquire or make investments in companies, products, services and
technologies which complement our software and services. Because of the
proliferation of new customer interaction mediums such as the Internet and
e-mail, we believe that it may be important for us to acquire complementary
technology to quickly bring new products to market. We have very limited
experience in making acquisitions and investments. As a result, our ability to
identify prospects, conduct acquisitions and to properly manage the integration
of acquisitions is unproven. If we fail to properly evaluate and execute
acquisitions or investments, it may seriously harm our business and operating
results. In making or attempting to make acquisitions or investments, we face a
number of risks, including:

    -   the difficulty of identifying and hiring one or more senior executives
        with acquisition experience;

    -   the difficulty of identifying  suitable acquisition or investment
        candidates and negotiating acceptable terms for acquisitions and
        investments;

    -   the potential distraction of our management, diversion of our resources
        and disruption of our business;

    -   our retention and motivation of key employees of the acquired companies;

    -   our entry into geographic markets in which we have little or no prior
        experience;

    -   competition for acquisition opportunities with competitors that are
        larger than us or have greater financial and other resources than we
        have;

    -   our inability to accurately forecast the financial impact of an
        acquisition or investment; and

    -   our inability to maintain good relations with the customers and
        suppliers of the acquired company.

    In addition, if we make acquisitions using convertible debt or equity
securities, our existing stockholders may be diluted, which could cause the
market price of our stock to decline.

YEAR 2000 ISSUES MAY DISRUPT OUR OPERATIONS, SUBJECT US TO LIABILITIES AND COSTS
AND AFFECT THE TIMING OF OUR REVENUES

    The Year 2000 computer problem refers to the potential for system and
processing failures of date related data as a result of computer controlled
systems using two digits rather than four to define the applicable year. For
example, software programs that have time-sensitive components may recognize a
date represented as "00" as the year 1900 rather than the year 2000. This
problem could result in miscalculations, data corruption, system failures or
disruptions of operations. We are subject to potential Year 2000 problems
affecting the systems and technology on which we depend, including:

    -   the internal systems, software and other technology we use in our
        business;

    -   the products and other technology produced by others which is integrated
        with our software;

    -   the systems of our customers and our vendors; and

    -   other technology and products employed by our customers which is used in
        connection with our software.


<PAGE>   12


    Furthermore, we cannot assure you that our software is Year 2000 compliant.
Moreover, because our software is used in connection with other products, Year
2000 problems affecting these products could cause our software to fail. If
Year 2000 problems cause the failure of any of the technology, software or
systems described above, we could lose customers, suffer significant
disruptions in our business, lose revenues and incur substantial liabilities
and expenses. We could also become involved in costly litigation resulting from
Year 2000 problems. This could materially and adversely affect our business,
financial condition and results of operations.

    During 1999 and 2000, a significant number of companies, including some of
our current customers, have devoted and are expected to devote a substantial
amount of their information technology resources to testing systems for Year
2000 compliance and fixing existing Year 2000 problems. As a result, many of
our existing and potential customers may delay the purchase and installation of
our software. Consequently, we may have lower than expected licensing and
services revenues during 2000.

THE PRICE OF OUR COMMON STOCK AFTER THE INITIAL PUBLIC OFFERING MAY BE VOLATILE,
AND YOU MAY EXPERIENCE INVESTMENT LOSSES

    The market price of our common stock may fluctuate significantly in
response to the following and other factors, some of which are beyond our
control:

    -   variations in our quarterly operating results;

    -   announcements  of significant  contracts,  technological  innovations or
        new products or services by us or our competitors;

    -   changes in financial estimates by securities analysts;

    -   the operating and stock price performance of other companies in our
        industry; and

    -   fluctuations in stock market price and volume, which are particularly
        common among securities of software and other technology companies.

    Further, the stock markets, and in particular the Nasdaq National Market on
which we listed our common stock, have experienced extreme price and volume
fluctuations that have affected the market prices of equity securities of many
technology companies. These fluctuations often have been unrelated or
disproportionate to the operating performance of the companies. Because our
business is technology related, the price of our common stock could fluctuate
widely if the market price of equity securities of other technology companies
becomes volatile. In the past, following periods of downward volatility in the
market price of a company's securities, class action litigation has often been
brought against that company. If such an action is brought against us, it would
be expensive and would divert our management's attention and our other
resources.

OUR MANAGEMENT AND AFFILIATES CONTROL A LARGE PERCENTAGE OF OUR VOTING STOCK
AND COULD EXERT SIGNIFICANT INFLUENCE OVER MATTERS REQUIRING STOCKHOLDER
APPROVAL AFTER THIS OFFERING

    Immediately after the initial public offering, our executive officers and
directors and members of their families together control a majority of our
outstanding common stock. As a result, these stockholders, if they act together,
will be able to control all matters requiring stockholder approval, including
the election of our directors and the approval of significant corporate
transactions involving us. This control may have the effect of delaying,
preventing or deterring a change in control of Witness Systems and could deprive
our stockholders of an opportunity to receive a premium for their common stock
as part of any sale or acquisition.

FUTURE SALES OF COMMON STOCK AND THE RIGHTS OF SOME OF OUR STOCKHOLDERS TO
REGISTER SALES OF THEIR STOCK COULD ADVERSELY AFFECT THE MARKET PRICE OF OUR
STOCK


<PAGE>   13


    Sales of a substantial number of shares of our common stock after the
initial public offering, can cause the market price of our common stock to
decline or can make it more difficult for us to raise funds through the sale of
equity in the future. The shares of common stock sold in the initial public
offering generally are freely tradable without restriction. The remaining
shares of common stock outstanding are restricted securities as defined in Rule
144 under the Securities Act. Except as described in the next paragraph, the
holders of these shares of common stock may sell them in the future without
registration under the Securities Act if they comply with Rule 144, Rule 701 or
any other applicable exemption under the Securities Act.

    We, our directors and executive officers and some of our stockholders have
agreed with the underwriters not to sell any common stock or securities
convertible into or exchangeable or exercisable for common stock for 180 days
after the date of the initial public offering, subject to some exceptions.
Hambrecht & Quist LLC or its successor may agree to release any or all of the
shares of common stock from these lock-up agreements at any time.

    Some of our existing stockholders have the right to require us to register
under the Securities Act shares of their common stock at any time. All of these
shares are subject to the lock-up agreements described above. Once we register
these shares, they can be freely sold in the public market, subject to these
lock-up agreements.

    We intend to register under the Securities Act shares of our common stock
issuable upon the exercise of stock options or reserved for issuance under our
amended and restated stock incentive plan and our employee stock purchase plan.
Once we register these shares, they can be freely sold in the public market
upon issuance, subject to those lock-up agreements.

OUR CERTIFICATE OF INCORPORATION AND BYLAWS, AS WELL AS DELAWARE LAW, MAY
PREVENT OR DELAY A FUTURE TAKEOVER

    Our amended and restated certificate of incorporation and bylaws contain
provisions which could make it harder for a third party to acquire us without
consent of our board of directors. For example, if a potential acquiror were to
make a hostile bid for us, the acquiror would not be able to call a special
meeting of stockholders to remove our board of directors or act by written
consent without a meeting. In addition our board of directors has staggered
terms which makes it difficult to remove all our directors at once. The
acquiror would also be required to provide advance notice of its proposal to
remove directors at an annual meeting.

    Our board of directors has the ability to issue preferred stock which would
significantly dilute the ownership of a hostile acquiror. In addition, Delaware
law limits business combination transactions with 15% stockholders that have
not been approved by the board of directors. These provisions and other similar
provisions make it more difficult for a third party to acquire us without
negotiation.

As a result of these provisions, our board of directors could choose not to
negotiate with an acquiror if it does not believe an acquisition is in our
strategic interests. These provisions may apply even if the acquiror's offer is
considered beneficial to our stockholders. Moreover, if the acquiror is
discouraged from offering to acquire us or prevented from successfully
completing a hostile acquisition, you could lose the opportunity to sell your
shares at a favorable price.



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