MARIMBA INC
10-K, 2000-03-27
PREPACKAGED SOFTWARE
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                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

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

                                    FORM 10-K
                                ----------------

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

                   For the Fiscal Year Ended December 31, 1999

     |_| TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
                              EXCHANGE ACT OF 1934
           For the transition period from ____________ to ____________

                         COMMISSION FILE NUMBER 00025683

                                  MARIMBA, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

       DELAWARE                                           77-0422318
(State of incorporation)                       (IRS Employer Identification No.)

                440 CLYDE AVENUE, MOUNTAIN VIEW, CALIFORNIA 94043
          (Address of principal executive offices, including ZIP code)

                                 (650) 930-5282
              (Registrant's telephone number, including area code)

        Securities registered pursuant to Section 12(b) of the Act: NONE
           Securities registered pursuant to Section 12(g) of the Act:
                         COMMON STOCK, $.0001 PAR VALUE
                                (Title of class)

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

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

The aggregate market value of the Registrant's common stock, $.0001 par value,
held by non-affiliates of the Registrant on February 29, 2000 was approximately
$1.4 billion. As of February 29, 2000, there were 23,281,586 shares of
Registrant's common stock, $.0001 par value, outstanding.

                       DOCUMENTS INCORPORATED BY REFERENCE

Portions of Registrant's definitive proxy statement (the "Proxy Statement") to
be mailed to stockholders in connection with its 2000 annual meeting of
stockholders scheduled to be held on June 8, 2000 are incorporated by reference
into Part III of this report. Except as expressly incorporated by reference, the
Registrant's Proxy Statement shall not be deemed to be part of this report.



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                                  MARIMBA, INC.
                                TABLE OF CONTENTS

<TABLE>
<S>  <C>                                                                                 <C>
PART I

Item 1.  Business......................................................................  3

Item 2.  Properties....................................................................  9

Item 3.  Legal Proceedings.............................................................  9

Item 4.  Submission of Matters to a Vote of Security Holders........................... 10

PART II

Item 5.  Market for Registrant's Common Equity and Related Stockholder Matters......... 11

Item 6.  Selected Consolidated Financial Data.......................................... 12

Item 7.  Management's Discussion and Analysis of Financial Condition and Results
         of Operations................................................................. 13

Item 7a. Qualitative and Quantitative Disclosures about Market Risk.................... 27

Item 8.  Consolidated Financial Statements and Supplementary Data...................... 28

Item 9.  Changes in and Disagreements with Accountants on Accounting and Financial
         Disclosures................................................................... 44

PART III

Item 10. Directors and Executive Officers of the Registrant............................ 44

Item 11. Executive Compensation........................................................ 44

Item 12. Security Ownership of Certain Beneficial Owners and Management................ 44

Item 13. Certain Relationships and Related Transactions................................ 44

PART IV

Item 14. Exhibits, Financial Statement Schedule and Reports on Form 8-K................ 44

SIGNATURES............................................................................. 45
</TABLE>



<PAGE>   3

PART I

   The discussion in this report on Form 10-K contains forward-looking
statements that involve risks and uncertainties. The statements contained in
this Report that are not purely historical are forward-looking statements within
the meaning of Section 27A of the Securities Act of 1933, as amended, and
Section 21E of the Securities Exchange Act of 1934, as amended, including
statements on our expectations, beliefs, intentions or strategies regarding the
future. All forward-looking statements included in this document are based on
information available to us on the date hereof. We assume no obligation to
update any such forward-looking statements. Our actual results could differ
materially from those indicated in such forward-looking statements. Factors that
could cause or contribute to such differences include, but are not limited to,
those discussed under the heading "Other Factors Affecting Operating Results,
Liquidity and Capital Resources" and the risks discussed in our other Securities
and Exchange Commission filings.

ITEM 1.  BUSINESS

   Marimba, Inc. was incorporated in Delaware in February 1996. We develop,
market and support Internet-based software management solutions that enable
companies to expand their market reach, streamline business processes and
strengthen relationships with customers, business partners and employees. Our
Castanet product family provides an efficient and reliable way for enterprises
to distribute, update and manage applications and related data over corporate
intranets, extranets and the Internet. Our strategy is to extend the Castanet
foundation to manage the array of infrastructure, systems and components upon
which business applications and services depend. We believe that, by using
Castanet, companies are able to reduce software management costs, deliver
greater functionality to users and provide a robust infrastructure for
mission-critical applications. Our global customer base spans multiple industry
segments including financial services, insurance, retail, manufacturing and
telecommunications. Castanet customers include various industry leaders,
including Bear Stearns, Charles Schwab, The Home Depot, Intuit, ADP, Nortel
Networks, Seagate Technology and Cisco Systems. We market our Castanet products
worldwide through a combination of a direct sales force, resellers and
distributors.

MARIMBA PRODUCTS

Castanet Product Family

   The Castanet product family provides a robust framework to distribute, update
and manage applications and related content over corporate intranets, extranets
and the Internet to multiple endpoints. Designed upon an open, extensible
architecture, our Castanet products automatically recover from transmission
errors, provide a variety of security features, reduce network connection time,
allow personalization and are rapidly scalable to a large number of users in
geographically dispersed locations. The Castanet product family is modular,
allowing organizations to add functionality as their e-business management
requirements expand. The Castanet product family is summarized below:

   Castanet Infrastructure Suite. The Infrastructure Suite provides the
foundation upon which all other Castanet product suites are built. It provides
the components necessary to distribute, manage and maintain applications across
intranets, extranets and the Internet.

   Castanet Production Suite. The Production Suite provides the ability to
package and publish custom or off-the-shelf applications, files and documents
for distribution by the Castanet Infrastructure Suite.

   Castanet Management Suite. The Management Suite provides comprehensive
solutions for the management, deployment and maintenance of enterprise-wide
Castanet installations and permits centralized monitoring and control of local
and remote Castanet servers and clients. Optional extensions to the Management
Suite also provide extensive client customization and branding capabilities.

   Castanet Inventory Suite. The Inventory Suite simplifies the discovery,
tracking and management of the desktop, server and portable computing resources
within the enterprise. By providing database integration and reporting
capabilities, the suite is designed to allow administrators to generate up to
date information on machines within their domains of control, even if they are
only connected intermittently to a network.

   Castanet Subscription Suite. The Subscription Suite is designed to provide
technology managers with the ability to use existing profile information to
define, distribute and enforce a centralized subscription policy that determines
which applications should be made available, installed or deleted from a user's
machine.

   We generally license the Castanet Infrastructure and Inventory Suites on a
per user basis with the total fee determined, in part, by the number of
end-users who can obtain updates using Castanet. The license terms also vary
depending on the number of applications to be deployed with Castanet and whether
the computer receiving updates is a server or client computer. Separate licenses
are available for the right to customize the user interface of the client
component of Castanet and to distribute the client and/or server components of
the system to customers, partners or others outside of the customer's own
organization. The Castanet Production, Management and Subscription Suites are
generally licensed on a per user basis, based on the number of individual
systems administrators who will use the components of the suites.



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DocService

   DocService. DocService is designed to provide a complete, out-of-the-box
solution for a specific Internet infrastructure management challenge. DocService
automates targeted document delivery across corporate intranets, extranets and
the Internet. DocService makes it easy for corporations to deliver single
documents to single recipients or hundreds of documents to thousands of
recipients, all within an easily managed and organized infrastructure that
supports automatic document updating. We license DocService on a per user basis.

Timbale

   Timbale. In February 2000, Marimba announced the Timbale product family,
which includes two new products designed to address many of the server
management challenges inherent in thin-client and Web commerce computing
environments today. Such challenges include reliability for maximum uptime,
efficient content replication for large quantities of data, pre-deployment
control, error detection and rollback capability, and automated scripting for
deployments to large numbers of servers. The first Timbale product, Timbale for
Server Management, was released for sale in March 2000. The second Timbale
product, Timbale for Windows Terminal Services, is scheduled for release later
in 2000. Timbale is licensed based on the number of servers and the servers'
configuration. There can be no assurance that Timbale for Windows Terminal
Services will be released as scheduled, or once released, that the Timbale
products will gain widespread market acceptance.

ARCHITECTURE

   The Castanet infrastructure is designed to distribute software and data
efficiently over networks based upon TCP/IP (Transmission Control
Protocol/Internet Protocol), the basic communication protocol of the Internet.
Castanet packages an application as a channel and publishes the application to a
transmitter, which then distributes the channel and subsequent updates across a
network to tuners on client computers.

   Channel. A channel is the application and/or related data that is distributed
using Castanet. For example, a channel could consist of a stock-trading
application written in Java or a shrink-wrapped application, including Microsoft
Word and related documents. Each channel has an associated list of properties
that describes its features, including application type, author, copyright
notice, update schedule and entry point. Castanet's application packager
prepares the channel for distribution and inserts a channel adapter that
installs and launches the application in a platform and application specific
manner. The application packager is designed to accommodate a range of
application types, including Java applets, Java Beans, Visual Basic, C, C++ and
shrink-wrapped applications. Using OSD (Open Software Description), a format for
describing the way software programs relate to one another, the application
packager creates a description of the installation process which is based on XML
(eXtensible Markup Language), a format commonly used on the Internet to describe
data and documents. Using this technology, both shrink-wrapped and custom
applications can be installed, updated and repaired without requiring changes to
the original application and without relying on the original application
installer. After the application is packaged as a channel, it is published to
the transmitter for distribution over the network.

   Transmitter. The transmitter is the server component of Castanet. It
distributes channels and subsequent updates to the tuner, the Castanet client.
The tuner and transmitter communicate using the Castanet protocol which is
designed to minimize bandwidth requirements for updates over HTTP (Hyper-Text
Transfer Protocol), the protocol used to distribute web pages. The Castanet
protocol uses compression technology that compresses data and applications, and
differential updating which identifies changes in code and updates only the
changed portion. All updates are transactional, interruptible and atomic, which
means that channels on the tuner are always in a functional state even if the
most recent update failed or was interrupted. In addition, interrupted downloads
can be restarted automatically at the point of interruption. Castanet provides
functionality to identify and verify each channel resource and installed
applications. Additional transmitter features include replication,
personalization, client feedback, bandwidth management and policy
administration. Castanet implements user authentication and access control using
passwords or client-side certificates and by leveraging directory services,
including LDAP (Lightweight Directory Access Protocol), or Microsoft's Active
Directory.

   Tuner. The tuner is the client component of Castanet. The tuner subscribes to
channels located on the transmitter and downloads, installs and receives updates
of each channel. Once received from a transmitter, channels are stored locally
on the tuner, making the downloaded channel resources instantly accessible
regardless of whether the user is connected to the network. The tuner is
typically configured to run in the background and can manage multiple channels
simultaneously without end-user interaction, updating them as necessary to
present the user with the most recent version. In addition, the tuner's user
interface can be customized to include the brand, logo and other look and feel
elements desired by the customer. The tuner provides a comprehensive set of
features for modem support, bandwidth management, security controls, certificate
management, update scheduling and support for corporate network security
mechanisms.

   Using the Castanet protocol, tuners can be redirected automatically to
additional transmitters, serving as repeaters, in order to reduce the load on
the main transmitter and to make more efficient use of available bandwidth. By
adding repeaters, it is possible to provide faster



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download times and to service thousands of simultaneous downloads. Repeaters can
be added and removed dynamically without disrupting the overall service,
allowing for a high level of scalability, improved service quality and
availability. In addition, the use of a caching proxy server, which stores
frequently accessed files on a local disk, can improve the efficiency of
downloads through corporate network security barriers in an intranet or network
into the enterprise.

   In addition to the basic Castanet components, a variety of Castanet features
are available for reporting downloads, staging updates, application signing,
resource planning, certificate management, license installation, transmitter
administration, tuner administration and deploying tuner updates. All of these
features are distributed as Castanet channels, and together with the basic
infrastructure components, provide all the necessary functionality to
distribute, manage and maintain mission critical applications and services.
Where appropriate, we provide programming interfaces and software development
kits for customized extensions, allowing customers to tailor the Castanet
solution to their specific needs, or to embed the Castanet technology into
existing applications.

TECHNOLOGY

   We believe that our investment in engineering has resulted in technology that
provides us with a strategic advantage. Castanet has been built from the ground
up to provide a robust Internet-based solution. Castanet provides a lightweight,
cross-platform and easy-to-deploy solution that helps solve complex application
deployment and management problems which we believe are not addressed adequately
by existing client-server distribution and management tools.

   Castanet makes extensive use of a broad range of technologies, including
Java, TCP/IP, HTTP, LDAP, XML, SSL (Secure Socket Layer), a protocol for secure
transmissions over the Internet, and various digital security technologies. In
addition, we have worked with partners to submit several standards proposals to
the World Wide Web Consortium, including the OSD format jointly developed with
Microsoft and the DRP protocol (HTTP Distribution and Replication Protocol), a
protocol which efficiently distributes data on the Internet, jointly developed
with Netscape, Sun Microsystems, Novell, Inc. and Excite@Home.

   The Castanet protocol is designed to distribute applications and data to
multiple intermittently connected endpoints. The protocol is layered on HTTP so
that it can be used from within most secure corporate intranets and networks by
tunneling through an HTTP proxy server. When the user is on line, the tuner
initiates update requests either when requested by the user or automatically
using a predefined update schedule. When an update request is received, the
transmitter quickly determines which files in the channel have changed, and if a
change has occurred, Castanet determines exactly which bytes within those files
have changed. The tuner then downloads the resulting changes, and compression
algorithms are used to further reduce the total download overhead. The
efficiency of the Castanet protocol makes it possible to distribute frequent
updates to large applications and application files with relatively low
bandwidth utilization. The protocol also provides features for user
authentication, personalization of content, the distribution of events and data
from the tuner to the transmitter and the automatic redirection of requests to
repeaters.

   Our OSD-based software installation technology provides a cross-platform
framework for installing, updating, and verifying applications in an operating
system specific manner. Applications are delivered with an OSD file that defines
the platforms on which the software runs, as well as the libraries and resources
it requires. In addition, the OSD file contains platform specific extensions
that define the exact installation requirements. For example, on the Microsoft
Windows platform, the OSD file describes exactly which files need to be
installed, which libraries that contain application code need to be updated,
which registry entries need to be set and which system scripts need to be
updated. Once an application is installed, the OSD file can be used to upgrade,
verify and uninstall the application. OSD files are generated automatically
using an installation capture technology, which eliminates the use of the
original application installer. Information technology managers can customize
the OSD script to control the level of user involvement in the resulting
installation.

   We have invested significant resources in developing Castanet's security
implementation. Castanet's security features currently include end user
authentication, digital certificates to verify application authenticity and SSL
communications to help protect the integrity and confidentiality of data
transmitted via Castanet. We offer a standard 40-bit encryption implementation
for international use and a 128-bit encryption implementation for domestic use
only. Our security implementation represents a combination of software written
by us and security code licensed to us by various vendors, including encryption
modules licensed from RSA Data Security and an SSL implementation from Netscape.
To further enhance the breadth of our security offerings, we also licensed a
Java-based security implementation. We also have an arrangement with VeriSign
and Thawte for the provision of digital certificates specifically for Castanet
products. See "Other Factors Affecting Operating Results, Liquidity and Capital
Resources -- We Rely on Third-Party Software and Applications."



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   Most of our products are implemented using Sun Microsystems' Java programming
language. As a result, we believe that our products are portable, easy to
internationalize, easily reconfigured and efficient. The use of Java has proven
to be an advantage in developing portable components without significantly
increasing the engineering overhead as additional platform support is required.
We believe that our use of and expertise in Java provides us a competitive
advantage. See "Other Factors Affecting Operating Results, Liquidity and Capital
Resources -- We Rely on Third-Party Software and Applications."

SALES, MARKETING AND DISTRIBUTION

   We market our Castanet products worldwide through a combination of a direct
sales force, resellers and distributors. Our worldwide direct sales, marketing
and business development organizations consisted of 90 individuals as of
December 31, 1999, 45 of whom were located at our Mountain View, California
headquarters, 38 in regional offices located in California, Georgia, Illinois,
Michigan, New York, Texas and Virginia and 7 in our European office in the
United Kingdom.

   Our sales, marketing and distribution approaches are designed to help
customers understand both the business and technical benefits of the products.
We have built an experienced consulting services organization to facilitate the
successful deployment of our products. We intend to expand our consulting
services organization and direct sales force and to establish additional sales
offices domestically and internationally. Competition for sales personnel is
intense, and we may not be able to attract, assimilate or retain additional
qualified personnel in the future. See "Other Factors Affecting Operating
Results, Liquidity and Capital Resources -- We Need to Develop and Expand Our
Sales, Marketing and Distribution Capabilities."

   We conduct a variety of marketing programs worldwide to educate our target
market, create awareness and generate leads for our Castanet solutions. To
achieve these goals, we have engaged in marketing activities including
e-business seminars, direct mailings, print and online advertising campaigns and
trade shows. These programs are targeted at key information technology
executives as well as vice presidents of marketing and general managers of
business units. In addition, we conduct comprehensive public relations programs
that include establishing and maintaining relationships with key trade press,
business press and industry analysts as well as an active executive speakers'
bureau. We have also initiated a customer advisory council which provides a
communication channel for regular feedback from key customers to facilitate the
design of products that meet the expanding requirements of our target market.

   Markets outside the United States are currently served by our direct sales
office in the United Kingdom as well as independent distributors and resellers
covering countries in Europe and Asia. Our distributors purchase our Castanet
products at discounts from end-user list prices. Sales under the agreements are
denominated in U.S. dollars. Foreign sales are subject to risks, including
exchange rate fluctuations, internal monetary conditions, tariffs, import
licenses, trade policies and domestic and foreign tax policies. For more
information on risks related to foreign sales see "Other Factors Affecting
Operating Results, Liquidity and Capital Resources -- Expanding Internationally
Is Expensive, We May Receive No Benefit from Our Expansion and Our International
Operations are Subject to Governmental Regulation."

   We may not be able to enter into agreements or establish relationships with
desired distribution partners on a timely basis, or at all, and our distribution
partners may not devote adequate resources to selling our products. For more
information on risks related to third-party distribution channels see "Other
Factors Affecting Operating Results, Liquidity and Capital Resources -- We Need
to Develop and Expand Our Sales, Marketing and Distribution Capabilities."

CUSTOMER SUPPORT AND TRAINING

   Our customer support and training organization consisted of 19 employees as
of December 31, 1999. We offer a variety of annual support and maintenance
programs for our products, as well as support services designed to meet specific
needs such as an option to purchase support on a per-question basis

   Customers that license our products typically engage our professional
services organization to assist with support, training and consulting. We
believe that growth in our product sales depends upon our ability to provide our
customers with these services and to educate third-party resellers and
consultants on how to provide similar services. As a result, we plan to increase
the number of our service personnel to meet these needs. Please see "Other
Factors Affecting Operating Results, Liquidity and Capital Resources -- We Need
to Expand Our Professional Services."



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RESEARCH AND DEVELOPMENT

   As of December 31, 1999, our engineering organization was comprised of 63
employees responsible for product development, quality assurance, documentation,
localization and porting. Our product development organization is divided into
five groups: Core development, Applications development, Castanet development,
WTS development and Server to Server Management development.

   -  The Core development group is focused on enhancing the robustness,
      reliability, performance and flexibility of our core functionality and
      expanding the ability of Castanet to operate with leading operating
      systems.

   -  The Applications development group addresses specific enterprise problems
      that can also directly benefit and leverage our product line such as
      document management to end users and bi-directional data management
      between remote offices and stores.

   -  The Castanet development group is focused on developing enterprise-level
      products that address application and content distribution, deployment and
      management.

   -  The WTS development group is focused on increasing high availability
      solutions for WTS server management. In addition, this group is focusing
      on ways to save WTS administrators time on server configuration
      management.

   -  The Server to Server Management development group is focused on developing
      products that provide centralized control of efficient content replication
      across the intranet, extranet and Internet for server-based computing
      environments.

   These five development groups are supported by the quality assurance,
documentation, localization and porting groups. The quality assurance group
implements a process designed to identify software defects through the entire
development cycle. The documentation group is responsible for end user,
administrator and developer documentation for our products. The localization
group is responsible for internationalizing our products while in development as
well as performing the language-specific localization after the English version
is produced. The porting group is responsible for any changes to the source code
required to allow a product to run on platforms other than the two core
development platforms of Sun Microsystems Solaris and Microsoft Windows.

   We believe that our software development team and core technologies represent
a significant competitive advantage. The software development team includes a
number of key members from the engineering team that developed the Java
programming language and Java virtual machines at Sun Microsystems.

   A technically skilled, quality oriented and highly productive development
organization will be a key component of the success of new product offerings. We
must continue to attract and retain highly qualified employees to further our
research and development efforts. Our business and operating results could be
seriously harmed if we are not able to hire and retain the required number of
individuals.

   Research and development expenses were $8.5 million in 1999, $5.8 million in
1998 and $2.4 million in 1997. To date, substantially all software development
costs have been expensed as incurred and developed by our employees. We believe
that significant investments in research and development are required to remain
competitive. As a consequence, we intend to continue to increase the absolute
amount of our research and development expenditures in the future. For more
information on our research and development expenses, see 'Management's
Discussion and Analysis of Financial Condition and Results of Operations."

   We cannot be sure that existing and future development efforts will be
completed within our anticipated schedules or that they will have the features
to make them successful. Future delays or problems in the development of product
enhancements or new products could seriously harm our business and operating
results. Furthermore, despite our testing and testing by our customers, errors
might be found in our products, which we are unable to successfully correct in a
timely and cost-effective manner. If we are not able to develop new products,
enhancements to existing products or correct errors on a timely and
cost-effective basis, or if these new products or enhancements do not have the
features necessary to make them successful, our business and operating results
will be seriously harmed. Furthermore, we currently license externally developed
technology and will continue to evaluate externally developed technologies for
integration into our product lines. Our business and operating results would be
harmed if we are not able to continue licensing such third party products on
commercially reasonable terms. See "Other Factors Affecting Operating Results,
Liquidity and Capital Resources -- Our Success Depends on Our Castanet Product
Family and New Product Development," "-- Software Defects in Castanet Would Harm
Our Business" and "-- We Must Respond to Rapid Technological Change and Evolving
Industry Standards."



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COMPETITION

   The market for Internet infrastructure management solutions is new, intensely
competitive and rapidly evolving. We expect competition to continue to increase
both from existing competitors and new market entrants. We believe that our
ability to compete depends on many factors both within and beyond our control,
including:

   -  the ease of use, performance, features, price and reliability of our
      solutions as compared to those of our competitors;

   -  the timing and market acceptance of new solutions and enhancements to
      existing solutions developed by us and our competitors;

   -  the quality of our customer service; and

   -  the effectiveness of our sales and marketing efforts.

   We encounter competition from a number of different sources, including
sellers of enterprise-wide management systems, which include electronic software
distribution, including Tivoli, Computer Associates and BMC Software; companies
such as BackWeb, Novadigm, and Sterling Commerce, through its subsidiary
XcelleNet, which market products that support the distribution of software
applications; and desktop software management suites, such as Microsoft's SMS
and Intel's LanDesk.

   In addition, we compete with various methods of application distribution and
management, including thin client systems and the web browser, and with
application server vendors and others which have introduced software
distribution capabilities into their products.

   Some of our competitors have longer operating histories and significantly
greater financial, technical, marketing and other resources than we do. Many of
these companies have broader relationships with existing and potential customers
that could be leveraged, to effectively compete against us. These companies also
have more established customer support and professional services organizations
than we do. In addition, these companies may adopt aggressive pricing policies.
As a result, we may not be able to maintain a competitive position against
current or future competitors.

   As new participants enter the Internet infrastructure management market, we
will face increased competition. Potential competitors may bundle their products
or incorporate an Internet infrastructure management component into existing
products in a manner that discourages users from purchasing our products.
Furthermore, it is possible that new competitors or alliances among competitors
may emerge and rapidly acquire significant market share. Our competitors may be
able to respond more quickly to new or emerging technologies and changes in
customer requirements than we can.

PROPRIETARY RIGHTS AND LICENSING

   Our success and ability to compete are dependent on our ability to develop
and maintain the proprietary aspects of our technology. We rely on a combination
of patent, trademark, trade secret, and copyright law and contractual
restrictions to protect the proprietary aspects of our technology. We presently
have one United States patent and five U.S. patent applications pending, and
several trademark registrations and applications in the United States and some
foreign countries. Our patent and trademark applications might not result in the
issuance of any additional valid patents or trademarks.

   We seek to protect our source code for our software, documentation and other
written materials under trade secret and copyright laws. We license our software
under license agreements, which impose restrictions on the licensee's ability to
utilize the software. Finally, we seek to avoid disclosure of our intellectual
property by requiring employees and consultants with access to our proprietary
information to execute confidentiality agreements with us and by restricting
access to our source code. Despite our efforts to protect our proprietary
rights, unauthorized parties may attempt to copy aspects of our products or to
obtain and use information that we regard as proprietary. In addition, we sell
our products internationally. The laws of many countries do not protect our
proprietary rights to as great an extent as do the laws of the United States.

   Litigation may be necessary in the future to enforce our intellectual
property rights, to protect our trade secrets, and to determine the validity and
scope of the proprietary rights of others. For example, on July 30, 1999 we
filed a complaint against Novadigm alleging patent infringement. Such litigation
could result in substantial costs and diversion of resources and could seriously
harm our business and operating results. The lawsuit is at a preliminary stage,
and we cannot assure you that the outcome of this litigation will be favorable
to us. For a description of our action against Novadigm, please see "Legal
Proceedings - Marimba v. Novadigm."



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<PAGE>   9

   Our success and ability to compete are also dependent on our ability to
operate without infringing upon the proprietary rights of others. In the event
of a successful claim of infringement against us and our failure or inability to
license the infringed technology, our business and operating results would be
significantly harmed. Currently, we are engaged in litigation with Novadigm
concerning the alleged infringement by us of a patent held by Novadigm which is
described in detail in this section under "Item 3. Legal Proceedings."

EMPLOYEES

   At December 31, 1999, we had a total of 198 employees, 191 of whom were based
in the United States and 7 of whom were based in the United Kingdom. Of the
total, 63 were in research and development, 90 were engaged in sales, marketing
and business development, 19 were engaged in customer support and training, and
26 were in administration and finance. None of our employees are subject to a
collective bargaining agreement and we believe that our relations with our
employees are good.

ITEM 2.  PROPERTIES

   Our principal administrative, sales, marketing, and research and development
facility occupies approximately 47,500 square feet in Mountain View, California
under a lease which expires in April 2005. We also have regional offices located
in California, Georgia, Illinois, Michigan, New York, Texas and Virginia and a
European office in the United Kingdom. We believe that our existing facilities
are adequate for our current needs and that suitable additional or alternative
space will be available in the future on commercially reasonable terms as
needed.

ITEM 3.  LEGAL PROCEEDINGS

Novadigm v. Marimba

   On March 3, 1997, Novadigm filed a complaint against us in the United States
District Court for the Northern District of California, alleging infringement by
us of a patent held by Novadigm (U.S. Patent No. 5,581,764, the "Novadigm
Patent"). Novadigm alleges that our infringement relates to specific methods for
updating data and software over a computer network that we use in our Castanet
products. Novadigm later identified claims 1, 4, 5, 23, 24, 25, 31, 33 and 34 of
the Novadigm Patent as being infringed. In its complaint, Novadigm requests
preliminary and permanent injunctions prohibiting us and other specified persons
from making, using or selling any infringing products, and claims damages, costs
and attorneys' fees. The complaint also alleges that we have willfully infringed
the Novadigm Patent and seeks up to triple damages under the United States
Patent Act.

   On May 2, 1997, we filed our answer to Novadigm's complaint and filed a
counterclaim against Novadigm. Our answer denies Novadigm's allegations and
asserts defenses to Novadigm's claim. Our counterclaim seeks a declaratory
judgment that we do not infringe the Novadigm Patent and that the Novadigm
Patent is invalid and unenforceable.

   On August 25, 1997 and January 26, 1998, we filed motions for summary
adjudication asking the court to rule that one of the relevant claims of the
Novadigm Patent is invalid because it was anticipated by two prior art
references. The court denied our motions in part because (1) discovery was
ongoing, (2) the court had not had an opportunity to construe the relevant
language in the Novadigm Patent and (3) the court found there were triable
issues of fact as to the disclosures in those references.

   On December 17, 1998, the court held a claims construction hearing on the
appropriate interpretation of particular terms in the Novadigm Patent, and on
December 28, 1998, the court issued an order defining those terms.

   On February 12, 1999, Novadigm detailed its position as to why certain
versions of Castanet infringe the asserted claims of the Novadigm Patent and
contended that the alleged comparison of file level and channel level checksums
in non-optimized updating and the comparison of channel level checksums and
their associated update commands in optimized updating infringes the claims of
the Novadigm Patent. We do not believe that Novadigm accurately states the
functionality of Castanet or establishes that Castanet infringes the Novadigm
Patent.

   During March and April 1999, Marimba and Novadigm each filed three
dispositive motions in advance of the April 9, 1999 deadline for filing
dispositive motions in this case. We filed two motions seeking summary judgment
that different versions of Castanet do not infringe the Novadigm Patent and a
motion seeking summary judgment that the Novadigm Patent is invalid because it
was anticipated by a prior art reference. Novadigm filed three motions seeking
to limit certain defenses we could raise at trial. The court denied all of
Marimba's and all of Novadigm's dispositive motions without a hearing.



                                       9
<PAGE>   10

   The trial in this case is scheduled to commence on November 7, 2000. The
trial date was set following a preliminary trial held in November 1999 in which
the court held that there was insufficient evidence to find that Novadigm had
engaged in "inequitable conduct" in the submission of its patent application. To
date, both parties have substantially completed their factual and expert
discovery.

   We believe that we have strong defenses against Novadigm's lawsuit.
Accordingly, we intend to defend this suit vigorously. However, we may not
prevail in this litigation. Litigation is subject to inherent uncertainties,
especially in cases such as this where sophisticated factual issues must be
assessed and complex technical issues must be decided. In addition, cases
similar to this involve issues of law that are evolving, presenting further
uncertainty. Our defense of this litigation, regardless of the merits of the
complaint, has been, and will likely continue to be, time-consuming, costly and
a diversion for our technical and management personnel. In addition, publicity
related to this litigation has in the past, and will likely in the future, have
a negative impact on the sale of our products.

   A failure to prevail in the litigation could result in:

   -  our paying monetary damages, which could be tripled if the infringement is
      found to have been willful, and which may include paying an ongoing
      royalty to Novadigm for the sales of Castanet products or paying lost
      profits to Novadigm for particular sales in which we successfully competed
      with Novadigm for a sale;

   -  the issuance of a preliminary or permanent injunction requiring us to stop
      selling Castanet in its current form;

   -  our having to redesign Castanet, which could be costly and time consuming
      and could substantially delay Castanet shipments, assuming that a redesign
      is feasible;

   -  our having to reimburse Novadigm for some or all of its attorneys' fees;

   -  our having to obtain from Novadigm a license to its patent, which license
      might not be made available to us on reasonable terms, particularly
      because Novadigm is a competitor; and/or

   -  our having to indemnify our customers against any losses they may incur
      due to the alleged infringement.

   Any of these results would seriously harm our business and operating results.
These same results could also occur with respect to our other products which
rely on or are built upon the Castanet infrastructure. Furthermore, we expect to
continue to incur substantial costs in defending against this litigation and
these costs could increase significantly if our dispute goes to trial. It is
possible that these costs could substantially exceed our expectations in future
periods.

Marimba v. Novadigm

   On July 30, 1999 Marimba filed a complaint against Novadigm in the United
States District Court for the Northern District of California alleging
infringement by Novadigm of a patent held by us (U.S. Patent No. 5,919,247, the
"Marimba Patent"). Our complaint seeks monetary damages, as well as an
injunction to prevent Novadigm from making, using or selling infringing software
products. Our complaint also alleges that Novadigm has willfully infringed the
Marimba Patent and seeks up to triple damages under the United States Patent
Act. A hearing by the court to construe the meaning of the claims of the Marimba
Patent has been scheduled for October 2, 2000. The lawsuit is at a preliminary
stage, and we cannot assure you that the outcome of this litigation will be
favorable to us. In addition, due to the inherent uncertainties in litigation we
cannot determine the total expense or other harm that we may incur as a result
of litigation, arbitration or settlement of our dispute with Novadigm.

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

   There were no matters submitted to a vote of security holders during the
fourth quarter of the fiscal year ended December 31, 1999.



                                       10
<PAGE>   11

PART II

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

Price Range of Common Stock

   Our common stock is traded publicly on the Nasdaq National Market under the
symbol "MRBA." The following table sets forth for the periods indicated the
highest and lowest closing prices of the common stock during each quarter since
we went public at $20.00 per share on April 30, 1999:

<TABLE>
<CAPTION>
                                                          Three Months Ended
                                        Mar. 31, 1999    Jun. 30, 1999     Sept. 30, 1999    Dec. 31, 1999
   Price Range per Share:               -------------    -------------     --------------    -------------
   <S>                                  <C>              <C>               <C>               <C>
       High...........................    $   --           $   66.44          $   48.25        $   46.06
       Low............................        --               30.44              22.50            28.13
</TABLE>

   On February 29, 2000, the closing price of the common stock on the Nasdaq
National Market was $60.938 per share. As of February 29, 2000, there were
approximately 281 holders of record (not including beneficial holders of stock
held in street name) of the common stock.

Dividend Policy

   We did not declare nor pay any cash dividends on our capital stock during the
fiscal years ended December 31, 1999, 1998 and 1997 and do not expect to do so
in the foreseeable future. We anticipate that all future earnings, if any,
generated from operations will be retained by us to develop and expand our
business. Any future determination with respect to the payment of dividends will
be at the discretion of the Board of Directors and will depend upon, among other
things, our operating results, financial condition and capital requirements, the
terms of then-existing indebtedness, general business conditions and such other
factors as the Board of Directors deems relevant.



                                       11
<PAGE>   12

ITEM 6.  SELECTED CONSOLIDATED FINANCIAL DATA

<TABLE>
<CAPTION>
                                                                                   Period from
                                                                                  February 21,
                                                                                 1996 (Inception)
                                                                                       to
                                                Year Ended December 31,           December 31,
                                              1999         1998        1997            1996
                                          -----------  -----------  -----------  ----------------
                                                  (in thousands, except per share data)
<S>                                       <C>          <C>          <C>          <C>
Consolidated Statements of Operations
Data:

Revenues:
    License...........................       $23,637     $13,901    $ 5,011      $    --
    Service...........................         7,776       3,184        552           --
                                             -------     -------    -------      -------
        Total revenues................        31,413      17,085      5,563           --

Cost of revenues:
    License...........................           402          75         13           --
    Service...........................         3,036       1,964        621           --
                                             -------     -------    -------      -------
        Total cost of revenues........         3,438       2,039        634           --
                                             -------     -------    -------      -------
Gross profit..........................        27,975      15,046      4,929           --

Operating expenses:
    Research and development..........         8,497       5,773      2,410          515
    Sales and marketing...............        19,625      12,371      8,054          473
    General and administrative........         5,066       2,779      2,367          322
    Amortization of deferred
    compensation......................         1,410         251         --           --
                                             -------     -------    -------      -------
        Total operating expenses......        34,598      21,174     12,831        1,310
                                             -------     -------    -------      -------
Loss from operations..................        (6,623)     (6,128)    (7,902)      (1,310)
Interest income, net..................         2,506         488        338           65
                                             -------     -------    -------      -------
Loss before income taxes..............        (4,117)     (5,640)    (7,564)      (1,245)
Provision for income taxes............            97          41        154           --
                                             -------     -------    -------      -------
Net loss..............................       $(4,214)    $(5,681)   $(7,718)     $(1,245)
                                             =======     =======    =======      =======

Basic and diluted net loss per share..       $  (.22)    $  (.59)   $ (1.57)     $  (.81)
                                             =======     =======    =======      =======
Weighted-average shares of common
    stock outstanding used in
    computing basic and diluted net
    loss per share....................        19,029       9,606      4,912        1,528
                                             =======     =======    =======      =======

Pro forma basic and diluted net loss
    per share (unaudited).............                   $  (.37)
                                                         =======
Shares used in computing pro forma
    basic and diluted net loss per
    share (unaudited).................                    15,359
                                                         =======
</TABLE>

<TABLE>
<CAPTION>
                                                              December 31,
                                             1999          1998        1997         1996
                                          ----------    ----------  ----------     -------
                                                          (in thousands)
<S>                                       <C>           <C>         <C>            <C>
Consolidated Balance Sheet Data:

Cash, cash equivalents and short-term
    investments.......................    $ 65,023        $7,825     $14,402       $2,811
Working capital.......................      55,707         2,912       8,036        2,464
Total assets..........................      90,487        14,862      21,898        3,156
Long-term obligations.................          48           747         211          --
Redeemable convertible preferred
    stock                                       --        18,953      18,953        3,963
Accumulated deficit...................     (18,858)      (14,644)     (8,963)      (1,245)
Total stockholders' equity (net
    capital  deficiency)..............      72,639       (13,743)     (8,471)      (1,235)
</TABLE>



                                       12
<PAGE>   13

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

   The following discussion and analysis should be read in conjunction with
"Selected Consolidated Financial Data" and our Consolidated Financial Statements
and Notes thereto included elsewhere in this Form 10-K. This document contains
forward-looking statements that involve risks and uncertainties. Our actual
results may differ materially from the results discussed in such forward-looking
statements. Factors that might cause such differences include, but are not
limited to, fluctuations in customer demand, our ability to manage our growth,
risks associated with competition and risks identified in our most recent
Securities and Exchange Commission filings, including, but not limited to, those
discussed in this Form 10-K under the heading "Other Factors Affecting Operating
Results, Liquidity and Capital Resources."

OVERVIEW

   Marimba is a leading provider of Internet-based software management solutions
that are designed to enable companies to expand their market reach, streamline
business processes and strengthen relationships with customers, business
partners and employees. Our Castanet product family provides an efficient and
reliable way for enterprises to distribute, update and manage applications and
related data over corporate networks and the Internet.

   In January 1997, we released our first version of Castanet and, to date, have
derived substantially all our revenues from the license of Castanet and related
services. We licensed Castanet in early 1997 to enterprises primarily for pilot
programs that involved limited deployments. In 1997, we grew our organization by
hiring personnel in key areas, particularly sales, research and development and
marketing. During 1998 and 1999, we continued to develop and market our Castanet
products and enhance the core Castanet infrastructure with additional products.
Also, we licensed Castanet to repeat customers for larger scale production
deployments. During this time period, we continued to make substantial
investments in our internal infrastructure by hiring employees throughout the
organization.

   Revenues to date have been derived primarily from the license of our Castanet
products and to a lesser extent from maintenance and support, consulting and
training services. Customers who license Castanet generally purchase maintenance
contracts, typically covering a 12-month period. Additionally, customers may
purchase consulting, which is customarily billed by us at a fixed daily rate
plus out-of-pocket expenses. We also offer training services that are billed on
a per student or per class session basis.

   We recognize revenue in accordance with Statement of Position or SOP No. 97-2
"Software Revenue Recognition," as amended by Statement of Position 98-4. In
December 1998, the AICPA issued SOP 98-9, Modification of SOP 97-2, Software
Revenue Recognition, with respect to Certain Transactions. SOP 98-9 amends SOP
97-2 and SOP 98-4 extending the deferral of the application of provisions of SOP
97-2 amended by SOP 98-4 through fiscal years beginning on or before March 15,
1999. All other provisions of SOP 98-9 are effective for transactions entered
into in fiscal years beginning after March 15, 1999. Marimba believes that SOP
98-9 may require more revenue to be deferred for some types of transactions.

   License revenues are comprised of perpetual or multiyear license fees which
are primarily derived from contracts with corporate customers and resellers. We
recognize license revenues after execution of a license agreement or receipt of
a definitive purchase order and delivery of the product to end-user customers,
provided that there are no uncertainties surrounding product acceptance, the
license fees are fixed or determinable, collectibility is probable and we have
no remaining obligations with regard to installation or implementation of the
software. Revenues on arrangements with customers who are not the ultimate
users, primarily resellers, are not recognized until the software is sold
through to the end user. If the fee due from the customer is not fixed or
determinable, revenues are recognized as payments become due from the customer.
If collectibility is not considered probable, revenues are recognized when the
fee is collected. Advance payments are recorded as deferred revenue until the
products are delivered, services are provided, or obligations are met. Service
revenues are comprised of revenues from maintenance agreements, consulting and
training fees. Revenues from maintenance agreements are recognized on a
straight-line basis over the life of the related agreement, which is typically
one year. We recognize service revenues from training and consulting as such
services are delivered.

   We market our products worldwide primarily through a direct sales force and
also through channel partners and system integrators. Pursuant to an agreement
that expired in December 1999, Tivoli was a reseller of our products. In
addition, we also have an original equipment manufacturer (OEM) agreement with
Tivoli under which Tivoli built upon the Castanet infrastructure to develop a
product called Cross-Site, which was released in April 1999. Revenues from
Tivoli under the OEM agreement are derived from per seat royalties on sales of
Cross-Site that contain the Castanet infrastructure. Tivoli accounted for
approximately 8% and 18% of our revenues in 1999 and 1998. The decrease in
Tivoli revenues as a percentage of total revenues during 1999 as compared to
1998 was due to the growth in Marimba's direct sales, as well as Tivoli's
transition from reselling Castanet to selling Cross-Site. The per seat royalties
under the OEM agreement are less than the per seat prices under our reseller
agreement with Tivoli. There is no assurance that royalties from the sale of
Cross-Site will be sufficient to replace Tivoli's sales of Castanet or be
sustained or continue to grow in the future. Any failure of Cross-Site to
achieve widespread market acceptance could significantly harm our business and
operating results.



                                       13
<PAGE>   14

   Despite our revenue growth, we have incurred significant losses since
inception and, as of December 31, 1999, we had an accumulated deficit of
approximately $18.9 million. We believe our success depends on further
increasing our customer base and on growth in the Internet infrastructure
management market. Accordingly, we intend to continue to invest heavily in
sales, marketing and research and development. Furthermore, we expect to
continue to incur substantial operating losses, and given our expected increases
in operating expenses, we will require significant increases in revenues before
we become profitable.

   In view of the rapidly changing nature of our business and our limited
operating history, we believe that period-to-period comparisons of revenues and
operating results are not necessarily meaningful and should not be relied upon
as indications of future performance. Additionally, despite our sequential
quarterly revenue growth during 1999 and 1998, we do not believe that historical
growth rates are necessarily sustainable nor indicative of future growth.



                                       14
<PAGE>   15

RESULTS OF OPERATIONS

   The following table presents selected financial data for the periods
indicated as a percentage of total revenues.

<TABLE>
<CAPTION>
                                                 Year Ended December 31,
                                              1999         1998        1997
                                           ----------   ----------   -------
<S>                                        <C>          <C>          <C>
   Consolidated Statement of Operations
   Data:

   Revenues:
       License..........................        75.2%       81.4%        90.1%
       Service..........................        24.8        18.6          9.9
                                             -------     -------     --------
           Total revenues...............       100.0       100.0        100.0

   Cost of revenues:
       License..........................         1.3         0.4          0.2
       Service..........................         9.7        11.5         11.2
                                             -------     -------     --------
           Total cost of revenues.......        11.0        11.9         11.4
                                             -------     -------     --------
   Gross profit.........................        89.0        88.1         88.6

   Operating expenses:
       Research and development.........        27.0        33.8         43.3
       Sales and marketing..............        62.5        72.4        144.8
       General and administrative.......        16.1        16.3         42.5
       Amortization of deferred
       compensation.....................         4.5         1.5           --
                                             -------     -------     --------
           Total operating expenses.....       110.1       124.0        230.6
                                             -------     -------     --------
   Loss from operations.................       (21.1)      (35.9)      (142.0)
   Interest income, net.................         8.0         2.8          6.1
                                             -------     -------     --------
   Loss before income taxes.............       (13.1)      (33.1)      (135.9)
   Provision for income taxes...........        (0.3)       (0.2)        (2.8)
                                             -------     -------     --------
   Net loss.............................       (13.4)%     (33.3)%     (138.7)%
                                             =======     =======     ========
</TABLE>

YEARS ENDED DECEMBER 31, 1999, 1998 AND 1997

Revenues

   Total revenues increased $14.3 million, or 84%, from $17.1 million in 1998 to
$31.4 million in 1999. Total revenues in 1998 increased $11.5 million, or 207%
from $5.6 million in 1997.

   License Revenues. Substantially all license revenues have been derived from
sales of our Castanet products. License revenues increased $9.7 million, or 70%,
from $13.9 million in 1998 to $23.6 million in 1999. License revenues in 1998
increased $8.9 million, or 177%, from $5.0 million in 1997.

   We attribute the increase in license revenues in 1999 and 1998 to:

   -  growth in our customer base;

   -  additional sales to existing customers; and

   -  an increase in the average order amount of executed license agreements.

   Service Revenues. Service revenues include maintenance and support,
consulting and training. Service revenues increased $4.6 million, or 144%, from
$3.2 million in 1998 to $7.8 million in 1999. Service revenues in 1998 increased
$2.6 million, or 477%, from $552,000 in 1997.

   As a percentage of total revenues, service revenues were 25%, 19% and 10% of
total revenues in 1999, 1998 and 1997. The increase in service revenues was due
primarily to increased revenues from customer maintenance contracts. Also, we
increased our consulting service revenues as customers elected to utilize our
consulting organization. During 2000, we expect service revenues to increase in
absolute amount and as a percentage of total revenues. An increased shift in our
revenue mix toward services will negatively impact our gross margins because
service revenues have higher costs and therefore lower margins than license
revenues.



                                       15
<PAGE>   16

Costs of Revenues

   Cost of License Revenues. Cost of license revenues consists primarily of the
cost of third-party software products that were either integrated into our
products or resold by Marimba. Cost of license revenues were $402,000, $75,000
and $13,000 in 1999, 1998 and 1997. The increase from 1998 to 1999 was due
primarily to the cost of a third party product resold by Marimba. The increase
from 1997 to 1998 was due to a third-party software product that we licensed on
September 30, 1997 and embedded in Castanet. Therefore, in 1997, cost of license
revenues includes costs associated with this license only for the fourth
quarter, whereas 1998 and 1999 include a full year of these costs. We expect
cost of license revenues to increase in absolute dollar amount during 2000, but
to remain a relatively small percentage of total revenues.

   Cost of Service Revenues. Cost of service revenues includes:

   -  salaries and related expenses of our customer support organization;

   -  salaries and related expenses of our consultants for billable consulting
      engagements;

   -  cost of third parties contracted to provide consulting services to our
      customers; and

   -  an allocation of our facilities and depreciation expenses.

   Cost of service revenues were $3.0 million, $2.0 million and $621,000 in
1999, 1998 and 1997, representing 39%, 62% and 113% of service revenue,
respectively. The year-to-year increases in absolute dollars of cost of service
revenues were due primarily to growth in our customer support organization and
an increase in consulting costs commensurate with the increase in consulting
revenues. Our customer support organization had 12 employees at both December
31, 1997 and December 31, 1998 and grew to 19 employees at December 31, 1999.
The year-to-year decreases in cost of service revenues as a percentage of
service revenues were primarily due to the economies of scale in our customer
support organization with costs spread over a larger number of maintenance
customers. We expect our cost of service revenues to increase as we continue to
expand our customer support and consulting organizations. Since service revenues
provide lower gross margins than license revenues, this expansion will
negatively impact our gross margins if our license revenues do not significantly
increase.

Operating Expenses

   Research and Development. Research and development expenses, which are
expensed as incurred, consist primarily of:

   -  salaries and related costs of our engineering organization;

   -  fees paid to third-party consultants; and

   -  an allocation of our facilities and depreciation expenses.

   We believe that our success is dependent in large part on continued
enhancement of our current products and the ability to develop new,
technologically advanced products that meet the sophisticated requirements of
our customers. Accordingly, we have increased our investment in research and
development in each of the periods since inception. Research and development
expenses were $8.5 million, $5.8 million and $2.4 million in 1999, 1998 and
1997. The increases in research and development expenses were due primarily to
significant increases in engineering personnel and related costs, as well as
increases in third-party consulting costs. We expect research and development
expenses to increase in absolute dollar amount in 2000.

   Sales and Marketing. Sales and marketing expenses consist primarily of:

   -  salaries and related costs of our sales and marketing organizations;

   -  sales commissions;

   -  costs of our marketing programs, including public relations, advertising,
      trade shows, collateral sales materials, our customer advisory council and
      seminars;

   -  rent and facilities costs associated with our regional and international
      sales offices; and

   -  an allocation of our facilities and depreciation expenses.



                                       16
<PAGE>   17

   Sales and marketing expenses were $19.6 million, $12.4 million and $8.1
million in 1999, 1998 and 1997. The increases in sales and marketing expenses
are due primarily to significant growth in our sales and marketing
organizations, an increase in sales commissions as sales have increased, an
increase in the number of regional and international sales offices and expansion
of our marketing programs. We increased the number of sales and marketing
personnel from 45 employees at December 31, 1997, 65 employees at December 31,
1998 and 90 at December 31, 1999. Marimba also increased the number of sales
offices from two at December 31, 1997 to seven at December 31, 1998 and December
31, 1999. We expect to continue to invest heavily in sales and marketing in
order to grow revenues and expand our brand awareness. Consequently, we expect
to increase the absolute dollar amount of sales and marketing expenses in 2000.

   General and Administrative. General and administrative expenses consist
primarily of:

   -  costs of our finance, human resources and legal services organizations;

   -  third-party legal and other professional services fees; and

   -  an allocation of our facilities and depreciation expenses.

   General and administrative expenses were $5.1 million, $2.8 million and $2.4
million in 1999, 1998 and 1997. We attribute the increases in general and
administrative expenses to growth of our administrative organizations in support
of overall growth. We increased our general and administrative personnel from 13
at December 31, 1997 to 21 at December 31, 1998 and 26 at December 31, 1999.
Also, during 1999 we incurred costs associated with being a public company. We
expect the absolute dollar amount of general and administrative expenses to
increase in 2000.

   Additionally, we have incurred significant outside legal costs in defense of
Novadigm's complaint against us alleging patent infringement filed in March
1997. During 1999, we incurred significant legal costs associated with several
pre-trial motions and overall trial preparation. We expect to incur significant
additional costs related to this complaint in the future, and these costs will
increase substantially if we go to trial. A trial is currently scheduled for
November 2000. We also expect to incur significant legal costs in the future in
connection with our patent litigation complaint against Novadigm.

   Deferred Compensation. We recorded deferred compensation of approximately
$1.4 million in 1998, representing the difference between the exercise prices of
options granted to acquire 940,500 shares of common stock during 1998 and the
deemed fair value for financial reporting purposes of our common stock on the
grant dates. In addition, we granted options to purchase common stock in April
1999 for which we recorded additional deferred compensation of approximately
$2.0 million. Deferred compensation is being amortized over the vesting periods
of the options on a graded vesting method. We amortized deferred compensation
expense of $1.4 million during fiscal 1999 and $251,000 during fiscal 1998. This
compensation expense relates to options awarded to individuals in all operating
expense categories. The amortization of deferred compensation, net of reductions
of $260,000 in February 2000 due to cancelled shares, will approximate $892,000
for 2000, $414,000 for 2001 and $114,000 for 2002.

Interest Income, Net

   Interest income, net, consists primarily of interest earned on our cash, cash
equivalents and investments offset by interest expenses associated with our
capital leases and equipment advances. Interest income, net was $2.5 million,
$488,000 and $338,000 in 1999, 1998 and 1997. The increases in interest income,
net, relate primarily to increased invested cash balances from the sale of
common stock in our initial public offering in April 1999 and from our equity
financings in August 1996 and August 1997.

Provision for Income Taxes

   Our provision for income taxes for the years ended December 31, 1999, 1998
and 1997 consists entirely of foreign taxes. No provision for federal or state
income taxes has been recorded because we have experienced operating losses from
inception through 1999.

   As of December 31, 1999, we had federal net operating loss carryforwards of
approximately $15.6 million. We also had a federal research and development tax
credit carryforward of approximately $700,000 at that date. The net operating
loss and credit carryforwards will expire at various dates beginning in 2011
through 2019, if not utilized.

   Utilization of the net operating losses and credits may be subject to a
substantial annual limitation due to the ownership change limitations contained
in the Internal Revenue Code of 1986 and similar state provisions. The annual
limitation may result in the expiration of the net operating loss and credits
before utilization.



                                       17
<PAGE>   18

Liquidity and Capital Resources

   As of December 31, 1999, our principal sources of liquidity included
approximately $22.3 million of cash and cash equivalents and $56.7 million of
investments in marketable securities. In April 1999, we sold shares of our
common stock in our initial public offering, generating net proceeds of
approximately $68 million, after offering expenses. Net cash used in investing
activities for the year ended December 31, 1999 reflects investment of
approximately $65.9 million of the net proceeds from our initial public offering
in marketable securities. Proceeds from other issuances of common stock of
approximately $2.3 million for the year ended December 31, 1999 is comprised
primarily of employee exercises of stock options. Net cash provided by operating
activities for the year ended December 31, 1999 reflects an increase in deferred
revenue offset by our net loss and an increase in accounts receivable.

   We currently anticipate that our current cash, cash equivalents and
investments will be sufficient to meet our anticipated cash needs for working
capital and capital expenditures for at least the next 12 months. Thereafter,
cash generated from operations, if any, may not be sufficient to satisfy our
liquidity requirements. We may therefore need to sell additional equity or raise
funds by other means. Any additional financings, if needed, might not be
available on reasonable terms or at all. Failure to raise capital when needed
could seriously harm our business and operating results. If additional funds are
raised through the issuance of equity securities, the percentage of ownership of
our stockholders would be reduced. Furthermore, these equity securities might
have rights, preferences or privileges senior to our common stock.

Recent Accounting Pronouncements

   In June 1998, the Financial Accounting Standards Board issued FAS No. 133,
"Accounting for Derivative Instruments and Hedging Activities" ("FAS 133"). FAS
133, as amended, establishes methods of accounting for derivative financial
instruments and hedging activities related to those instruments as well as other
hedging activities. We are required to adopt FAS 133 effective January 1, 2001.
Because Marimba currently holds no derivative financial instruments and does not
currently engage in hedging activities, we do not currently believe that the
adoption of FAS 133, as amended, will have a significant impact on Marimba's
financial condition, results of operations or cash flows.

   In December 1999, the Securities and Exchange Commission issued Staff
Accounting Bulleting No. 101 ("SAB 101"). This summarizes certain areas of the
Staff's views in applying generally accepted accounting principles to revenue
recognition in financial statements. We believe that our current revenue
recognition policies comply with SAB 101.

YEAR 2000 COMPLIANCE

Our Product Testing and Licensing

   We have tested all of our products for Year 2000 compliance. The tests were
run on all supported platforms for each release and include testing for date
calculation and internal storage of date information with test numbers starting
in 1999 and going over the Year 2000 boundary. Based on these tests, we believe
our products to be Year 2000 compliant with respect to date calculations and
internal storage of date information.

   We identified one Year 2000 date-related limitation in earlier versions of
Castanet. Versions of Castanet before version 3.2 display date information to
the user in a manner that uses only two digits to represent a year. A two-digit
display of the Year 2000 could cause a user to believe the year represented was
the Year 1900 instead of the Year 2000. This limitation does not affect either
computation of data in our products or operation of the products. All versions
of Castanet currently being shipped use four digits for the display of date data
and we are not aware of any material problems related to versions of Castanet
prior to version 3.2.

Our Internal Systems

   Our remediation of internal systems included those related to product
delivery, customer service, internal and external communications, accounting and
payroll, which we consider critical areas of our business. We have sought vendor
certification for all third-party systems and have applied vendor-supplied Year
2000 compliant upgrades to many of our internal systems.

Costs of Addressing Year 2000 Compliance

   Our costs to address Year 2000 compliance have not been significant, nor do
we believe we will incur significant operating expenses or be required to invest
heavily in additional computer system improvements to be Year 2000 compliant.



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<PAGE>   19

Results of Year 2000 Remediation

   In late 1999, Marimba completed its remediation and testing of systems. We
experienced no significant disruptions in mission critical information
technology and non-information technology systems and believe those systems
successfully responded to the Year 2000 date change. We are not aware of any
material problems resulting from Year 2000 issues, either with our products, our
internal systems, or the products and services of third parties. We will
continue to monitor our mission critical computer applications and those of our
suppliers and vendors throughout the year 2000 to ensure that any latent Year
2000 matters that may arise are addressed promptly.

OTHER FACTORS AFFECTING OPERATING RESULTS, LIQUIDITY AND CAPITAL RESOURCES

Our Limited Operating History May Prevent Us From Achieving Success in Our
Business

   We were founded in February 1996 and have a limited operating history that
may prevent us from achieving success in our business. The revenues and income
potential of our business and market are unproven. We will encounter challenges
and difficulties frequently encountered by early-stage companies in new and
rapidly evolving markets. We may not successfully address any of these
challenges and the failure to do so would seriously harm our business and
operating results. In addition, because of our limited operating history, we
have limited insight into trends that may emerge and affect our business.

We Have Incurred Losses and We Expect Future Losses

   Our failure to significantly increase our revenues would seriously harm our
business and operating results. We have experienced operating losses in each
quarterly and annual period since inception and we expect to incur significant
losses in the future. As of December 31, 1999, we had an accumulated deficit of
$18.9 million. We expect to significantly increase our research and development,
sales and marketing and general and administrative expenses. As a result, we
will need to significantly increase our quarterly revenues to achieve and
maintain profitability. We may not be able to sustain our recent revenue growth
rates. In fact, we may not have any revenue growth, and our revenues could
decline.

Our Quarterly Operating Results Are Volatile and Future Operating Results Remain
Uncertain

   Our quarterly operating results have varied significantly in the past and
will likely vary significantly in the future. As a result, we believe that
period-to-period comparisons of our operating results are not meaningful and
should not be relied upon as indicators of our future performance. In the
future, our operating results will likely be below the expectations of
securities analysts and investors. Our failure to meet these expectations would
likely seriously harm the market price of our common stock. Operating results
vary depending on a number of factors, many of which are outside our control.

   In addition, we anticipate that the size of customer orders may increase as
we focus on larger business accounts. As a result, a delay in recognizing
revenue, even from just one account, could have a significant negative impact on
our operating results. In the past, a significant portion of our sales have been
realized near the end of a quarter. As a result, a delay in an anticipated sale
past the end of a particular quarter could negatively impact our operating
results.

   We generally expect that revenues in the first quarter of each year will be
lower than revenues in the fourth quarter of the preceding year due to the
annual nature of companies' purchasing and budgeting cycles and the year-to-date
structure of our sales incentive program.

   Our expense levels are relatively fixed and are based, in part, on
expectations as to future revenues. As a result, if revenue levels fall below
our expectations, our net loss will increase because only a small portion of our
expenses vary with our revenues.

We Expect Significant Increases in Our Operating Expenses

   We intend to substantially increase our operating expenses as we:

   -  Increase our sales and marketing activities, including expanding our
      direct sales force;

   -  Increase our research and development activities;

   -  Expand our customer support and professional services organizations; and

   -  Expand our distribution channels.



                                       19
<PAGE>   20

   With these additional expenses, we must significantly increase our revenues
in order to become profitable. These expenses will be incurred before we
generate any revenues by this increased spending. If we do not significantly
increase revenues from these efforts, our business and operating results would
be seriously harmed.

Our Success Depends on Our Castanet Product Family

   We expect to continue to derive substantially all of our revenues from our
Castanet software product family and related services. A decline in the price of
Castanet or our inability to increase sales of Castanet would seriously harm our
business and operating results. We cannot predict Castanet's success. We
periodically update Castanet to make improvements and provide additional
enhancements. New versions of Castanet may not provide the benefits we expect
and could fail to meet customers' requirements or achieve widespread market
acceptance. Furthermore, new products such as DocService and our recently
announced Timbale products could fail to meet customer expectations or achieve
widespread market acceptance.

   Our strategy requires Castanet to be highly scalable -- in other words, able
to rapidly increase deployment size from a limited number of end-users to a very
large number of end-users. If we are unable to achieve this level of
scalability, the attractiveness of our products and services would be
diminished.

We Need to Develop and Introduce New Products

   To provide a comprehensive Internet infrastructure management solution, we
will need to develop and introduce new products which offer functionality that
we do not currently provide. We may not be able to develop these technologies
and therefore we may not be able to offer a comprehensive Internet
infrastructure management solution. In addition, in the past we have experienced
delays in new product releases, and we may experience similar delays in the
future. If we fail to deploy new product releases on a timely basis, our
business and operating results could be seriously harmed. Furthermore, new
products such as DocService and our recently announced Timbale products could
fail to meet customer expectations or achieve widespread market acceptance.

We Depend on the Growth of Our Customer Base

   Our success is substantially dependent on the continued growth of our
customer base. If we fail to increase our customer base, our business and
operating results would be seriously harmed. Our ability to attract new
customers will depend on a variety of factors, including the reliability,
security, scalability and cost-effectiveness of our products and services as
well as our ability to effectively market our products and services.

We Depend on Increased Business from Our Current Customers

   If we fail to generate repeat and expanded business from our current
customers, our business and operating results would be seriously harmed. Many of
our customers initially make a limited purchase of our products and services for
pilot programs. These customers may not choose to purchase additional licenses
to expand their use of our products. In addition, as we deploy new versions of
our products or introduce new products, our current customers may not require
the functionality of our new products and may not ultimately license these
products.

   Because the total amount of maintenance and support fees we receive in any
period depends in large part on the size and number of licenses that we have
previously sold, any downturn in our software license revenues would negatively
impact our future service revenues. In addition, if customers elect not to renew
their maintenance agreements, our service revenues could be significantly
adversely affected.

Implementation of our products by large customers may be complex and customers
could become dissatisfied if implementation of our products proves difficult,
costly or time consuming

Our products must integrate with many existing computer systems and software
programs used by our customers. Integrating with many other computer systems and
software programs can be complex, time-consuming and expensive and cause delays
in the deployment of our products for such customers. Customers could become
dissatisfied with our products if implementations prove to be difficult, costly
or time-consuming and this could negatively impact our ability to sell our
products.



                                       20
<PAGE>   21

We Have a Long Sales Cycle that Depends upon Factors Outside Our Control

   A customer's decision to purchase our products typically involves a
significant commitment of resources and is influenced by the customer's budget
cycles. In addition, selling our products requires us to educate potential
customers on its use and benefits. As a result, our products have a long sales
cycle which can take over six months. We face difficulty predicting the quarter
in which sales to expected customers may occur. The sale of our products is also
subject to delays from the lengthy budgeting, approval and competitive
evaluation processes that typically accompany significant capital expenditures.
For example, customers frequently begin by evaluating our products on a limited
basis and devote time and resources to testing our products before they decide
whether or not to purchase a license for deployment. Customers may also defer
orders as a result of anticipated releases of new products or enhancements by us
or our competitors.

We Depend on Our Relationship with Tivoli

    Tivoli has been a primary reseller of our products. In March of 1998, we
also entered into an original equipment manufacturer agreement with Tivoli under
which Tivoli built upon the Castanet infrastructure to develop a product called
Cross-Site, which was released in April 1999. Tivoli accounted for approximately
8% and 18% of our revenues in 1999 and 1998. During 1999, revenues from Tivoli
were comprised of royalties on the sales of Cross-Site, as well as revenues from
Tivoli's sales of Castanet. During this period, Tivoli transitioned from selling
Castanet to selling Cross-Site. The per seat royalties under the OEM agreement
are less than the per seat prices under our reseller agreement with Tivoli.
There is no assurance that royalties from the sale of Cross-Site will be
sufficient to replace Tivoli's sales of Castanet or be sustained or continue to
grow in the future. Any failure of Cross-Site to achieve widespread market
acceptance could significantly harm our business and operating results.
Additionally, because Cross-Site is built upon the Castanet infrastructure, we
expect Cross-Site to compete with our Castanet products.

Novadigm Has Claimed that We Infringe Its Intellectual Property

   On March 3, 1997, Novadigm filed a complaint against us in the United States
District Court for the Northern District of California, alleging infringement by
us of a patent held by Novadigm (U.S. Patent No. 5,581,764, the "Novadigm
Patent"). Novadigm alleges that our infringement relates to methods for updating
data and software over a computer network that we use in our Castanet products.
The complaint also alleges that we have willfully infringed the Novadigm Patent
and seeks up to triple damages under the United States Patent Act. On May 2,
1997, we filed our answer to Novadigm's complaint and filed a counterclaim
against Novadigm.

   Litigation is subject to inherent uncertainties. In addition, cases like this
generally involve issues of law that are evolving, presenting further
uncertainty. Our defense of this litigation, regardless of the merits of the
complaint, has been, and will likely continue to be, time-consuming and a
diversion for our personnel. In addition, publicity related to this litigation
has in the past, and will likely in the future, have a negative impact on the
sale of our Castanet products.

   A failure to prevail in the litigation could result in:

   -  Our paying monetary damages, which could be tripled if the infringement is
      found to have been willful;

   -  The issuance of a preliminary or permanent injunction requiring us to stop
      selling Castanet in its current form;

   -  Our having to redesign Castanet, which could be costly and time-consuming
      and could substantially delay Castanet shipments, assuming that a redesign
      is feasible;

   -  Our having to reimburse Novadigm for some or all of its attorneys' fees;

   -  Our having to obtain from Novadigm a license to its patent, which license
      might not be made available to us on reasonable terms, particularly
      because Novadigm is a competitor; and/or

   -  Our having to indemnify our customers against any losses they may incur
      due to the alleged infringement.

   Any of these results would seriously harm our business and operating results.
These same results could also occur with respect to our other products which
rely on or are built upon the Castanet infrastructure. Furthermore, we expect to
continue to incur substantial costs in defending against this litigation and
these costs could increase significantly increase when our dispute goes to
trial. It is possible that these costs could substantially exceed our
expectations in future periods.



                                       21
<PAGE>   22

Our Markets Are Highly Competitive

   Our markets are new, rapidly evolving and highly competitive, and we expect
this competition to persist and intensify in the future. Our failure to maintain
and enhance our competitive position could seriously harm our business and
operating results. We encounter competition from a number of sources, including:

   -  Sellers of enterprise-wide management systems, which include electronic
      software distribution;

   -  Companies that market products that support the distribution of software
      applications; and

   -  Desktop software management suites.

   In addition, we compete with various methods of application distribution and
management, including thin client systems and the web browser, and with
application server vendors and others that have introduced software distribution
capabilities into their products.

   Potential competitors may bundle their products or incorporate an Internet
infrastructure management component into existing products in a manner that
discourages users from purchasing our products. For example, we expect that
future releases of Microsoft's Windows operating systems, which manage the
programs on a computer, will include components addressing Internet
infrastructure management functions. Furthermore, new competitors or alliances
among competitors may emerge and rapidly acquire significant market share. Our
competitors may be able to respond more quickly to new or emerging technologies
and changes in customer requirements than we can.

   Some of our competitors have longer operating histories and significantly
greater financial, technical, marketing and other resources than we do. Many of
these companies have more extensive customer bases and broader customer
relationships that they could leverage, including relationships with many of our
current and potential customers. These companies also have significantly more
established customer support and professional services organizations than we do.
In addition, these companies may adopt aggressive pricing policies which we are
unable to match. In the past, we have lost potential customers to competitors
for various reasons, including lower prices.

Protection of Our Intellectual Property Is Limited

   We rely on a combination of patent, trademark, trade secret and copyright law
and contractual restrictions to protect the proprietary aspects of our
technology. These legal protections afford only limited protection. Despite our
efforts to protect our proprietary rights, unauthorized parties may attempt to
copy aspects of our products or to obtain and use our proprietary information.
Litigation may be necessary to enforce our intellectual property rights, to
protect our trade secrets and to determine the validity and scope of the
proprietary rights of others. For example, on July 30, 1999 we filed a complaint
against Novadigm alleging patent infringement. Such litigation could result in
substantial costs and diversion of resources and could seriously harm our
business and operating results. The lawsuit is at a preliminary stage, and we
cannot assure you that the outcome of this litigation will be favorable to us.
For a description of our action against Novadigm, please see "Legal Proceedings
- - Marimba v. Novadigm." In addition, we sell our products internationally, and
the laws of many countries do not protect our proprietary rights as well as the
laws of the United States.

We May Be Found to Infringe Proprietary Rights of Others

   Other companies, including our competitors, may obtain patents or other
proprietary rights that would prevent, or limit or interfere with our ability to
make, use or sell our products. As a result, we may be found to infringe on the
proprietary rights of others. Furthermore, companies in the software market are
increasingly bringing suits alleging infringement of their proprietary rights,
particularly patent rights. We could incur substantial costs to defend any
litigation, and intellectual property litigation could force us to do one or
more of the following:

   -  Cease selling, incorporating or using products or services that
      incorporate the challenged intellectual property;

   -  Obtain a license from the holder of the infringed intellectual property
      right; and

   -  Redesign products or services.

   In the event of a successful claim of infringement against us and our failure
or inability to license the infringed technology, our business and operating
results would be significantly harmed. For a description of our current
litigation with Novadigm, Inc. please see "Novadigm Has Claimed that We Infringe
Its Intellectual Property."



                                       22
<PAGE>   23

We Depend upon Third-Party Distribution Relationships and Need to Develop New
Relationships

   We have a limited number of distribution agreements and we may not be able to
increase our number of distribution relationships or maintain our existing
relationships. For example, Netscape, a former reseller of our products,
accounted for a significant amount of our revenues in 1998 and 1997, but is no
longer a reseller of our products.

   Our current agreements with our channel partners do not prevent these
companies from selling products of other companies, including products that may
compete with our products, and do not generally require these companies to
purchase minimum quantities of our products. These distributors could give
higher priority to the products of other companies or to their own products,
than they give to our products. In addition, sales through these channels
generally have a lower price than direct sales. As a result, while the loss of,
or significant reduction in sales volume to any of our current or future
distribution partners could seriously harm our revenues and operating results, a
significant increase in sales through these channels could also negatively
impact our gross margins.

We Need to Develop and Expand Our Sales, Marketing and Distribution Capabilities

   We need to expand our marketing and direct sales operations in order to
increase market awareness of our products, market our products to a greater
number of enterprises and generate increased revenues. However, competition for
qualified sales personnel is intense and we may not be able to hire enough
qualified individuals in the future. Our products and services require a
sophisticated sales effort targeted at senior management of our prospective
customers. New hires require extensive training and typically take at least six
months to achieve full productivity. In addition, we have limited experience
marketing our products broadly to a large number of potential customers.

We Need to Expand Our Professional Services

   We may not be able to attract, train or retain the number of highly qualified
services personnel that our business needs. We believe that growth in our
product sales depends on our ability to provide our customers with professional
services and to educate third-party resellers and consultants on how to provide
similar services. As a result, we plan to increase the number of our services
personnel to meet these needs. However, competition for qualified services
personnel is intense.

   We expect our service revenues to increase in dollar amount as we continue to
provide support, consulting and training services that complement our products
and as our installed base of customers grows. This could negatively impact our
gross margin because margins on revenues derived from services are generally
lower than gross margins on revenues derived from the license of our products.

Expanding Internationally Is Expensive, We May Receive No Benefit from Our
Expansion and Our International Operations Are Subject to Governmental
Regulation

   We plan to increase our international sales force and operations. However, we
may not be successful in increasing our international sales. In addition, our
international business activities are subject to a variety of risks, including
the adoption of laws, currency fluctuations, actions by third parties and
political and economic conditions that could restrict or eliminate our ability
to do business in foreign jurisdictions. To date, we have not adopted a hedging
program to protect us from risks associated with foreign currency fluctuations.

   Export, and in some cases, import clearances must be obtained before our
products can be distributed internationally. Current or new government laws and
regulations, or the application of existing laws and regulations, could expose
us to significant liabilities, significantly slow our growth and seriously harm
our business and operating results.

We Must Manage Our Growth and Expansion

   Our historical growth has placed, and any further growth is likely to
continue to place, a significant strain on our resources. Any failure to manage
growth effectively could seriously harm our business and operating results. To
be successful, we will need to implement additional management information
systems, improve our operating, administrative, financial and accounting systems
and controls, train new employees and maintain close coordination among our
executive, engineering, accounting, finance, marketing, sales and operations
organizations. In addition, our growth has resulted, and any future growth will
result, in increased responsibilities for management personnel.



                                       23
<PAGE>   24

 We Must Retain and Attract Key Personnel

   Our success depends largely on the skills, experience and performance of the
members of our senior management and other key personnel, including our
President and Chief Executive Officer, Kim Polese, and our Chief Technical
Officer, Arthur van Hoff. In March 2000, we announced that Mr. Williams intends
to relinquish his position as Executive Vice President, Worldwide Sales and
Chief Operating Officer effective May 1, 2000 to pursue another career
opportunity. Although Mr. Williams will be joining Marimba's board of directors,
at this time we have not named a replacement for Mr. Williams. We may not be
successful in attracting a qualified senior management individual to replace Mr.
Williams or be able to attract, assimilate and retain other key personnel in the
future. None of our senior management or other key personnel is bound by an
employment agreement. If we lose additional key employees and are unable to
replace them with qualified individuals, our business and operating results
could be seriously harmed. In addition, our future success will depend largely
on our ability to continue attracting and retaining highly skilled personnel.
Like other companies in the San Francisco Bay Area, we face intense competition
for qualified personnel.

We Rely on Third-Party Software and Applications

   We integrate third-party security and encryption software and digital
certificates as a component of our software. There are inherent limitations in
the use and capabilities of much of the technology that we license from third
parties. As a result, we face a number of challenges in integrating these
technologies into our products. We would be seriously harmed if the providers
from whom we license software ceased to deliver and support reliable products,
enhance their current products or respond to emerging industry standards. In
addition, the third-party software may not continue to be available to us on
commercially reasonable terms or at all. The loss of, or inability to maintain
or obtain this software, could result in shipment delays or reductions.
Furthermore, we might be forced to limit the features available in our current
or future product offerings. Either alternative could seriously harm our
business and operating results.

   Almost all of our products are written in Java and require a Java virtual
machine made available by Sun Microsystems, Inc. in order to operate. Sun may
not continue to make these implementations of the Java virtual machines
available at commercially reasonable terms or at all. Furthermore, if Sun were
to make significant changes to the Java language or its Java virtual machine
implementations, or fail to correct defects and limitations in these products,
our ability to continue to improve and ship our products could be impaired. In
the future, our customers may also require the ability to deploy our products on
platforms for which technically acceptable Java implementations either do not
exist or are not available on commercially reasonable terms. Our customers may
also use particular implementations of the Java virtual machine that may not be
technically or commercially acceptable for integration into our products.

Software Defects in Castanet Would Harm Our Business

   Complex software products like ours often contain errors or defects,
including errors relating to security, particularly when first introduced or
when new versions or enhancements are released. Our products extensively utilize
digital certificates and other complex technology. Our use of this technology
has in the past and may in the future result in product behavior problems which
may not be anticipated by us or our customers. For example, most versions of
Castanet shipped before Castanet 4.0 contain digital certificates that cause
Castanet and any applications being delivered with Castanet to stop running when
the certificate used expires. We have developed an update which avoids this
problem and have distributed the update to customers. It is possible that we may
not have identified all affected customers. Customers that do not install the
update will experience this problem with respect to any applications they have
deployed with Castanet and signed with a certificate on the date of expiration
of the certificate they elected to use. Defects or errors in current or future
products could result in lost revenues or a delay in market acceptance, which
would seriously harm our business and operating results.

   Since many of our customers use our products for business-critical
applications, errors, defects or other performance problems could result in
financial or other damage to our customers and could significantly impair their
operations. Our customers could seek damages for losses related to any of these
issues. For example, we could be subject to claims for losses by customers that
we are unable to identify and notify and, as a result, do not install our update
that avoids the digital certificate problem. A product liability claim brought
against us, even if not successful, would likely be time consuming and costly to
defend and could adversely affect our marketing efforts.

Year 2000 Issues Could Affect Our Business

   We have assessed Year 2000 issues with the computer communications, software
and security systems that we use to deliver and manage our products and to
manage our internal operations. If our systems do not operate properly with
respect to date calculations involving the Year 2000 and subsequent dates, we
could incur unanticipated expenses to remedy any problems, which could seriously
harm our business. We may also experience reduced sales of our products as
current or potential customers reduce their budgets for Internet infrastructure
management products due to increased expenditures on their own Year 2000
compliance efforts.

We have identified one Year 2000 date-related limitation in earlier versions of
Castanet. Versions of Castanet before 3.2 display date-related data to the user
in a manner that uses only two digits to represent a year. A two-digit display
of the Year 2000 could cause a user to



                                       24
<PAGE>   25

believe the year represented was 1900 instead of 2000. Despite our testing and
correcting, our products, including Castanet 4.0, may contain errors or faults
with respect to the Year 2000.

   In late 1999, Marimba completed its remediation and testing of systems. We
experienced no significant disruptions in mission critical information
technology and non-information technology systems and believe those systems
successfully responded to the Year 2000 date change. We are not aware of any
material problems resulting from Year 2000 issues, either with our products, our
internal systems, or the products and services of third parties.

Volatility of Stock Price

   The market price of our common stock has been and is likely to continue to be
highly volatile. The market price of our common stock may be significantly
affected by factors such as actual or anticipated fluctuations in our operating
results, announcements of technological innovations, new products or new
contracts by us or our competitors, developments with respect to patents or
proprietary rights and related litigation, adoption of new accounting standards
affecting the software industry, general market conditions and other factors. In
addition, the stock market has from time to time experienced significant price
and volume fluctuations that have particularly affected the market price for the
common stock of technology companies. These types of broad market fluctuations
may adversely affect the market price of our common stock. In the past,
following periods of volatility in the market price of a company's securities,
securities class action litigation has often been initiated against such a
company. Such litigation against Marimba could result in substantial costs and a
diversion of our attention and resources and seriously harm our business and
operating results.

Our Future Capital Needs Are Uncertain

   We expect that our current cash, cash equivalents and investments will be
sufficient to meet our working capital and capital expenditure needs for at
least twelve months. After that, we may need to raise additional funds, and
additional financing may not be available on favorable terms, if at all. This
could seriously harm our business and operating results. Furthermore, if we
issue additional equity securities, stockholders may experience dilution, and
the new equity securities could have rights senior to those of existing holders
of our common stock. If we cannot raise funds, if needed, on acceptable terms,
we may not be able to develop or enhance our products, take advantage of future
opportunities or respond to competitive pressures or unanticipated requirements.

We Face Challenges Stemming from Our Emerging Markets

   The market for Internet infrastructure management software has only recently
begun to develop, is rapidly evolving and will likely have an increasing number
of competitors. We cannot be certain that a viable market for our products will
emerge or be sustainable. If the Internet infrastructure management market fails
to develop, or develops more slowly than expected, our business and operating
results would be seriously harmed.

   Furthermore, in order to be successful in this emerging market, we must be
able to differentiate Marimba from our competitors through our product and
service offerings and brand name recognition. We may not be successful in
differentiating Marimba or achieving widespread market acceptance of our
products and services. Furthermore, enterprises that have already invested
substantial resources in other methods of deploying and managing their
applications and services may be reluctant or slow to adopt a new approach that
may replace, limit or compete with their existing systems.

We Depend on Continued Use of the Internet and Growth of Electronic Business

   Rapid growth in the use of and interest in the Internet has occurred only
recently. As a result, acceptance and use may not continue to develop at
historical rates, and a sufficiently broad base of consumers may not adopt, and
continue to use, the Internet and other online services as a medium of commerce.
Demand and market acceptance for recently introduced services and products over
the Internet are subject to a high level of uncertainty, and there exist few
proven services and products.

   In addition, the Internet may not be accepted as a long-term commercial
marketplace for a number of reasons, including potentially inadequate
development of the necessary network infrastructure or delayed development of
enabling technologies and performance improvements. Our success will depend, in
large part, upon third parties maintaining the Internet infrastructure to
provide a reliable network backbone with the necessary speed, data capacity,
security and hardware necessary for reliable Internet access and services.

We Must Respond to Rapid Technological Change and Evolving Industry Standards

The markets for our Internet infrastructure management solutions are marked by
rapid technological change, frequent new product introductions and enhancements,
uncertain product life cycles, changes in customer demands and evolving industry
standards. New products based on new technologies or new industry standards can
quickly render existing products obsolete and unmarketable. Any delays in our



                                       25
<PAGE>   26

ability to develop and release enhanced or new products could seriously harm our
business and operating results. Our technology is complex, and new products and
product enhancements can require long development and testing periods. Our
failure to conform to prevailing standards could have a negative effect on our
business and operating results.

Risks Associated with Potential Acquisitions

We may make acquisitions in the future. Acquisitions of companies, products or
technologies entail numerous risks, including an inability to successfully
assimilate acquired operations and products, diversion of management's
attention, loss of key employees of acquired companies and substantial
transaction costs. Some of the products acquired may require significant
additional development before they can be marketed and may not generate revenue
at levels anticipated by us. Moreover, future acquisitions by us may result in
dilutive issuances of equity securities, the incurrence of additional debt,
large one-time write-offs and the creation of goodwill or other intangible
assets that could result in significant amortization expense. Any of these
problems or factors could seriously harm our business, financial condition and
operating results.



                                       26
<PAGE>   27

ITEM 7A.  QUALITATIVE AND QUANTITATIVE DISCLOSURES ABOUT MARKET RISK

   We develop products in the United States and sell primarily in North America,
Asia and Europe. As a result, our financial results could be affected by various
factors, including changes in foreign currency exchange rates or weak economic
conditions in foreign markets. As all sales are currently made in U.S. dollars,
a strengthening of the dollar could make our products less competitive in
foreign markets. Our interest income is sensitive to changes in the general
level of U.S. interest rates, particularly since the majority of our investments
are in short-term instruments.

   Our investment policy requires us to invest funds in excess of current
operating requirements in:

   -  obligations of the U.S. government and its agencies;

   -  investment grade state and local government obligations;

   -  securities of U.S. corporations rated A1 or AA by Standard and Poors or
      the Moody's equivalent; and

   -  money market funds, deposits or notes issued or guaranteed by U.S. and
      non-U.S. commercial banks meeting particular credit rating and net worth
      requirements with maturities of less than two years.

   The following table presents the amounts of cash equivalents and investments
that are subject to market risk and the weighted average interest rates, by year
of expected maturity for our investment portfolio as of December 31, 1999 and
1998. This table does not include money market funds because those funds are not
subject to market risk.

<TABLE>
<CAPTION>
                                                 Maturing during
                                                 2000        2001
                                               --------    --------
                                                    (in thousands)
<S>                                            <C>         <C>
   December 31, 1999:

   Cash equivalents.......................     $ 1,991     $     --
        Weighted average interest rate....        6.26%          --
   Investments............................     $42,760     $ 13,989
        Weighted average interest rate....        5.60%        6.06%
   Total..................................     $44,751     $ 13,989
        Weighted average interest rate....        5.64%        6.06%
</TABLE>

<TABLE>
<CAPTION>
                                             Maturing during
                                                  1999
                                                 -------
                                             (in thousands)
   December 31, 1998:

<S>                                            <C>
   Cash equivalents.......................     $   500
        Weighted average interest rate....        6.01%
   Investments............................     $ 4,125
        Weighted average interest rate....        5.33%
   Total..................................     $ 4,625
        Weighted average interest rate....        5.40%
</TABLE>

Exchange Rate Sensitivity

   We operate primarily in the United States and all sales to date have been
made in US dollars. Accordingly, we have had no material exposures to foreign
currency rate fluctuations.



                                       27
<PAGE>   28

ITEM 8.  CONSOLIDATED FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

                                  MARIMBA, INC.
                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

<TABLE>
<S>                                                               <C>
Report of Ernst & Young LLP, Independent Auditors ..........      29
Consolidated Balance Sheets ................................      30
Consolidated Statements of Operations and Comprehensive Loss      31
Consolidated Statements of Redeemable Convertible Preferred
  Stock and Stockholders' Equity (Net Capital Deficiency) ..      32
Consolidated Statements of Cash Flows ......................      33
Notes to Consolidated Financial Statements .................      34
</TABLE>



                                       28
<PAGE>   29

                REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

The Board of Directors and Stockholders
Marimba, Inc.

   We have audited the accompanying consolidated balance sheets of Marimba, Inc.
as of December 31, 1999 and 1998, and the related consolidated statements of
operations and comprehensive loss, redeemable convertible preferred stock and
stockholders' equity (net capital deficiency), and cash flows for each of the
three years in the period ended December 31, 1999. These financial statements
are the responsibility of the Company's management. Our responsibility is to
express an opinion on these financial statements based on our audits.

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

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


Palo Alto, California                       /s/  ERNST & YOUNG LLP
January 14, 2000



                                       29
<PAGE>   30

                                  MARIMBA, INC.
                           CONSOLIDATED BALANCE SHEETS
                      (IN THOUSANDS, EXCEPT PAR VALUE DATA)

<TABLE>
<CAPTION>
                                                                                 December 31,
                                                                              1999          1998
                                                                           ---------      --------
<S>                                                                        <C>            <C>
ASSETS

Current assets:
     Cash and cash equivalents ......................................      $ 22,263       $  3,700

     Short-term investments .........................................        42,760          4,125
     Accounts receivable, net of allowances of $104
       and $70 at December 31, 1999 and 1998 ........................         7,399          2,585
     Unbilled receivables ...........................................            --          1,036
     Prepaid expenses and other current assets ......................         1,085            371
                                                                           --------       --------
       Total current assets .........................................        73,507         11,817
   Property and equipment, net ......................................         2,955          2,747
   Long-term investments ............................................        13,989             --
   Other assets .....................................................            36            298
                                                                           --------       --------
                                                                           $ 90,487       $ 14,862
                                                                           ========       ========
LIABILITIES AND STOCKHOLDERS' EQUITY (NET CAPITAL DEFICIENCY)

Current liabilities:
       Accounts payable and accrued liabilities .....................      $  3,143       $  1,396
       Accrued compensation .........................................         3,279          1,704
       Current portion of capital lease obligations and .............            59            286
           equipment advances
       Deferred revenue .............................................        11,319          5,519
                                                                           --------       --------
           Total current liabilities ................................        17,800          8,905
Long-term portion of capital lease obligations and
       equipment advances and other long-term liabilities............            48            747

Commitments and contingencies
Preferred stock; $.0001 par value, 10,000 shares and 15,000 shares
       authorized at December 31, 1999 and 1998, no shares issued
       and outstanding in 1999, 1998 shares issuable in series:
       Series A redeemable convertible preferred stock, 2,800 shares
           designated; no shares and 2,766 shares issued and
           outstanding at December 31, 1999 and 1998.................            --          4,055
       Series B redeemable convertible preferred stock, 3,050
           shares designated; no shares and 2,987 shares issued and
           outstanding at December 31, 1999 and 1998.................            --         14,898
Stockholders' equity (net capital deficiency):
       Common stock; $.0001 par value, 80,000 and 30,000 shares
           authorized at December 31, 1999 and 1998, 23,146 and
           13,053 shares issued and outstanding at December 31,
           1999 and 1998.............................................             2              1
       Additional paid-in capital ...................................        93,436          2,182
       Note receivable from officer .................................            --           (160)
       Deferred compensation ........................................        (1,680)        (1,116)
       Cumulative translation adjustment ............................           (22)            (6)
       Unrealized loss on investments ...............................          (239)            --
        Accumulated deficit ..........................................      (18,858)       (14,644)
                                                                           --------       --------
           Stockholders' equity (net capital deficiency).............        72,639        (13,743)
                                                                           --------       --------
                                                                           $ 90,487       $ 14,862
                                                                           ========       ========
</TABLE>

                             See accompanying notes.



                                       30
<PAGE>   31

                                  MARIMBA, INC.
          CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                            Year Ended December 31,
                                                         1999       1998        1997
                                                       --------   --------    -------
<S>                                                    <C>        <C>         <C>
Revenues:
     License........................................   $23,637    $13,901      $5,011
     Service........................................     7,776      3,184         552
                                                       -------    -------      ------
        Total revenues..............................    31,413     17,085       5,563
Cost of revenues:
     License........................................       402         75          13
     Service........................................     3,036      1,964         621
                                                       -------    -------      ------
        Total cost of revenues......................     3,438      2,039         634
                                                       -------    -------      ------
Gross profit........................................    27,975     15,046       4,929

Operating expenses:
     Research and development.......................     8,497      5,773       2,410
     Sales and marketing............................    19,625     12,371       8,054
     General and administrative.....................     5,066      2,779       2,367
     Amortization of deferred compensation..........     1,410        251          --
                                                       -------    -------      ------
        Total operating expenses....................    34,598     21,174      12,831
                                                       -------    -------      ------
Loss from operations................................    (6,623)    (6,128)     (7,902)
Interest income.....................................     2,536        518         350
Interest expense....................................       (30)       (30)        (12)
                                                       -------    -------      ------
Loss before income taxes............................    (4,117)    (5,640)     (7,564)
Provision for income taxes..........................        97         41         154
                                                       -------    -------      ------
Net loss............................................   $(4,214)   $(5,681)    $(7,718)
                                                       =======    =======     =======
Other comprehensive loss:
    Translation adjustment..........................       (16)        (6)         --
    Unrealized loss on investments..................      (239)        --          --
                                                       -------    -------     -------
Comprehensive loss..................................   $(4,469)   $(5,687)    $(7,718)
                                                       =======    =======     =======

Basic and diluted net loss per share................   $  (.22)   $  (.59)    $ (1.57)
                                                       =======    =======     =======
Weighted-average shares of common stock outstanding
     used in computing basic and diluted net loss
     per share......................................    19,029      9,606       4,912
                                                       =======    =======     =======

Pro forma basic and diluted net loss per share
     (unaudited)....................................              $  (.37)
                                                                  =======

Shares used in computing pro forma basic and diluted
     net loss per share (unaudited).................               15,359
                                                                  =======
</TABLE>

                             See accompanying notes.



                                       31
<PAGE>   32

                                  MARIMBA, INC.
        CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK
                AND STOCKHOLDERS' EQUITY (NET CAPITAL DEFICIENCY)
                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                      Stockholders' Equity (Net Capital Deficiency)
                                                                 -------------------------------------------------------
                                          Redeemable
                                          Convertible                                                          Note
                                        Preferred Stock                 Common Stock         Additional       Receivable
                                     ----------------------       -----------------------      Paid-in         From
                                     Shares         Amount         Shares         Amount       Capital        Officer
                                    --------       --------       --------       --------      --------       --------
<S>                                 <C>            <C>            <C>            <C>         <C>              <C>
Balances at December 31,
    1996 .....................         2,699       $  3,963         10,000       $      1      $      9       $     --

Issuance of Series A
    redeemable convertible
    preferred stock to
    officer, net of
    issuance costs of $8 .....            67             92             --             --            --             --
Issuance of Series B
    redeemable convertible
    preferred stock to
    investors, net of
    issuance costs of $62 ....         2,987         14,898             --             --            --             --
Issuance of common stock
    upon exercise of stock
    options ..................            --             --          2,850             --           495             --
Issuance of common stock
    for services .............            --             --             67             --            10             --
Issuance of common stock
    upon exercise of stock
    options by an officer
    in exchange for a note
    receivable ...............            --             --            300             --           150           (150)
Repurchases of common stock ..            --             --           (150)            --           (23)            --
Net loss .....................            --             --             --             --            --             --
                                    --------       --------       --------       --------      --------       --------
Balances at December 31,
    1997 .....................         5,753         18,953         13,067              1           641           (150)

Issuance of common stock
    upon exercise of stock
    options ..................            --             --            239             --           230             --
Repurchases of common stock ..            --             --           (253)            --           (56)            --
Translation adjustment .......            --             --             --             --            --             --
Interest on note receivable
    from an officer ..........            --             --             --             --            --            (10)
Deferred compensation ........            --             --             --             --         1,367             --
Amortization of deferred
    compensation .............            --             --             --             --            --             --
Net loss .....................            --             --             --             --            --             --
                                    --------       --------       --------       --------      --------       --------
Balances at December 31,
    1998 .....................         5,753         18,953         13,053              1         2,182           (160)

Sale of common stock in
    initial public offering,
     net .....................            --             --          3,736             --        68,075             --
Conversion of Series A and
    Series B redeemable
    preferred stock to
    common stock .............        (5,753)       (18,953)         5,753              1        18,952             --
Issuance of common stock
    upon exercise of stock
    options and warrant ......            --             --            632             --         1,561             --
Issuance of common stock
    under employee stock
    purchase plan ............            --             --             42             --           719             --
Repurchases of common stock ..            --             --            (70)            --           (27)            --

Translation adjustment .......            --             --             --             --            --             --
Repayment of note
    receivable from an
    officer ..................            --             --             --             --            --            160
Unrealized loss on
    investments ..............            --             --             --             --            --             --
Deferred compensation ........            --             --             --             --         1,974             --
Amortization of deferred
    compensation .............            --             --             --             --            --             --
Net loss .....................            --             --             --             --            --             --
                                    --------       --------       --------       --------      --------       --------
Balances at December 31,
    1999 .....................            --       $     --         23,146       $      2      $ 93,436       $     --
                                    ========       ========       ========       ========      ========       ========
</TABLE>

<TABLE>
<CAPTION>
                                                   Stockholders' Equity (Net Capital Deficiency)
                                   ---------------------------------------------------------------------------
                                                                                                 Stockholders'
                                                      Cumulative    Unrealized                      Equity
                                    Deferred       Translation        Loss on      Accumulated   (Net Capital
                                  Compensation      Adjustment      Investments     Deficit       Deficiency)
                                    --------        --------         --------       --------       --------
<S>                                <C>              <C>              <C>            <C>           <C>
Balances at December 31,
    1996 .....................      $     --        $    --          $  --       $ (1,245)      $ (1,235)

Issuance of Series A
    redeemable convertible
    preferred stock to
    officer, net of
    issuance costs of $8 .....            --             --             --             --             --
Issuance of Series B
    redeemable convertible
    preferred stock to
    investors, net of
    issuance costs of $62 ....            --             --             --             --             --
Issuance of common stock
    upon exercise of stock
    options ..................            --             --             --             --            495
Issuance of common stock
    for services .............            --             --             --             --             10
Issuance of common stock
    upon exercise of stock
    options by an officer
    in exchange for a note
    receivable ...............            --             --             --             --             --
Repurchases of common stock ..            --             --             --             --            (23)
Net loss .....................            --             --             --         (7,718)        (7,718)
                                    --------       --------       --------       --------       --------
Balances at December 31,
    1997 .....................            --             --             --         (8,963)        (8,471)

Issuance of common stock
    upon exercise of stock
    options ..................            --             --             --             --            230
Repurchases of common stock ..            --             --             --             --            (56)
Translation adjustment .......            --             (6)            --             --             (6)
Interest on note receivable
    from an officer ..........            --             --             --             --            (10)
Deferred compensation ........        (1,367)            --             --             --             --
Amortization of deferred
    compensation .............           251             --             --             --            251
Net loss .....................            --             --             --         (5,681)        (5,681)
                                    --------       --------       --------       --------       --------
Balances at December 31,
    1998 .....................        (1,116)            (6)            --        (14,644)       (13,743)

Sale of common stock in
    initial public offering,
     net .....................            --             --             --             --         68,075
Conversion of Series A and
    Series B redeemable
    preferred stock to
    common stock .............            --             --             --             --         18,953
Issuance of common stock
    upon exercise of stock
    options and warrant ......            --             --             --             --          1,561
Issuance of common stock
    under employee stock
    purchase plan ............            --             --             --             --            719
Repurchases of common stock ..            --             --             --             --            (27)

Translation adjustment .......            --            (16)            --             --            (16)
Repayment of note
    receivable from an
    officer ..................            --             --             --             --            160
Unrealized loss on
    investments ..............            --             --           (239)            --           (239)
Deferred compensation ........        (1,974)            --             --             --             --
Amortization of deferred
    compensation .............         1,410             --             --             --          1,410
Net loss .....................            --             --             --         (4,214)        (4,214)
                                    --------       --------       --------       --------       --------
Balances at December 31,
    1999 .....................      $ (1,680)      $    (22)      $   (239)      $(18,858)      $ 72,639
                                    ========       ========       ========       ========       ========
</TABLE>

                             See accompanying notes.



                                       32
<PAGE>   33

                                               MARIMBA, INC.
                                   CONSOLIDATED STATEMENTS OF CASH FLOWS
                                               (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                                      Year Ended December 31,
                                                                                1999           1998           1997
                                                                                ----           ----           ----
<S>                                                                          <C>            <C>            <C>
Operating activities:
Net loss ..............................................................      $ (4,214)      $ (5,681)      $ (7,718)
    Adjustments to reconcile net loss to net cash provided by (used in)
        operating activities:
        Depreciation and amortization .................................         1,233            934            336
        Amortization of deferred compensation .........................         1,410            251             --
        Other .........................................................           (16)           (16)            --
        Changes in operating assets and liabilities:
            Accounts receivable, net ..................................        (4,814)         2,006         (4,541)
            Unbilled receivables ......................................         1,036         (1,036)            --
            Prepaid expenses and other current assets..................          (714)          (123)          (218)
            Other assets ..............................................           262            (42)          (250)
            Accounts payable and accrued liabilities...................         1,747           (544)         1,712
            Accrued compensation ......................................         1,575            169          1,535
            Deferred revenue ..........................................         5,800         (2,078)         7,397
            Other liabilities .........................................            13              2             34
                                                                             --------       --------       --------
Net cash provided by (used in) operating activities...................          3,318         (6,158)        (1,713)
                                                                             --------       --------       --------

Investing activities:
    Capital expenditures ..............................................        (1,441)        (1,280)        (2,479)
    Purchases of investments ..........................................       (65,863)        (7,125)            --
    Sales of investments ..............................................        13,000          3,000             --
                                                                             --------       --------       --------
Net cash used in investing activities .................................       (54,304)        (5,405)        (2,479)
                                                                             --------       --------       --------

Financing activities:
    Proceeds from issuance of redeemable convertible preferred stock ..            --             --         14,990
    Proceeds from issuance of common stock, net of repurchases ........         2,253            174            482
    Proceeds from sale of common stock in initial public offering,
         net ..........................................................        68,075             --             --
    Repayment of note receivable from officer .........................           160             --             --
    Proceeds from sale and lease back and equipment advances ..........            --            811            378
    Principal payments under capital lease obligations.................          (939)          (124)           (67)
                                                                             --------       --------       --------
Net cash provided by financing activities .............................        69,549            861         15,783
                                                                             --------       --------       --------

Net increase (decrease) in cash and cash equivalents...................        18,563        (10,702)        11,591
Cash and cash equivalents at beginning of period ......................         3,700         14,402          2,811
                                                                             --------       --------       --------
Cash and cash equivalents at end of period ............................      $ 22,263       $  3,700       $ 14,402
                                                                             ========       ========       ========

Supplemental disclosure of cash flow information:
    Interest paid .....................................................      $     30       $     30       $     12
                                                                             ========       ========       ========
    Income taxes paid .................................................      $     97       $     41       $    154
                                                                             ========       ========       ========

Supplemental disclosure of noncash investing and financing
    activities:
    Common stock issued in exchange for note receivable from officer ..      $     --       $     --       $    150
                                                                             ========       ========       ========
    Conversion of redeemable preferred stock to common stock ..........        18,953             --             --
                                                                             ========       ========       ========
    Deferred stock compensation .......................................      $  1,974       $  1,367       $     --
                                                                             ========       ========       ========
</TABLE>

                             See accompanying notes.



                                       33
<PAGE>   34

                                  MARIMBA, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

   Marimba was incorporated in Delaware on February 21, 1996. Marimba develops
and markets Internet-based software management solutions ("Castanet Products"),
that distribute, update, and manage applications and related data over corporate
intranets, extranets and the Internet. Marimba markets its products worldwide
through a combination of a direct sales force, resellers and OEM partners.
Substantially all of Marimba's license revenues are derived from sales of the
Castanet Products. The Castanet Products are the subject of a patent lawsuit.
Marimba believes that it has strong defenses against the lawsuit. However, the
failure of Marimba to prevail could have a material adverse effect on Marimba's
results of operations and financial condition. Currently, no reasonable estimate
can be made of the possible loss or range of loss that may arise from this
lawsuit. See Note 8.

   The consolidated financial statements include the accounts of Marimba and its
wholly-owned subsidiary in the United Kingdom. Intercompany accounts and
transactions have been eliminated in consolidation.

   Marimba has incurred operating losses to date and had an accumulated deficit
of $18,858,000 at December 31, 1999. Marimba's activities have been primarily
financed through its initial public offering of common stock and earlier private
placements of equity securities. Marimba may need to raise additional capital
through the issuance of debt or equity securities. Such financing may not be
available on terms satisfactory to Marimba, if at all.

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 amounts reported in the financial statements and accompanying notes.
Actual results could differ materially from those estimates.

Revenue Recognition

   In October 1997, the Accounting Standards Executive Committee issued
Statement of Position 97-2 ("SOP 97-2"), as amended by SOP 98-4 and SOP 98-9,
"Software Revenue Recognition." These statements provide guidance on applying
generally accepted accounting principles in recognizing revenue on software
transactions. SOP 97-2, as amended by SOP 98-4, is effective for Marimba's
transactions entered into subsequent to January 1, 1998. The application of SOP
97-2 and SOP 98-4 has not had a material impact on Marimba's results of
operations.

   SOP 98-9 amends SOP 97-2 and 98-4, extending the deferral of the application
of certain provisions of SOP 97-2 amended by SOP 98-4 through fiscal years
beginning on or before March 15, 1999. All other provisions of SOP 98-9 are
effective for transactions entered into in fiscal years beginning after March
15, 1999. Marimba expects that SOP 98-9 may require more revenue to be deferred
for certain types of transactions.

   License revenues are comprised of perpetual or multiyear license fees which
are primarily derived from contracts with corporate customers and resellers.
Such revenues are recognized after execution of a license agreement or receipt
of a definitive purchase order, and delivery of the product to end-user
customers, provided that there are no uncertainties surrounding product
acceptance, the license fees are fixed or determinable, collectibility is
probable and Marimba has no remaining obligations with regard to installation or
implementation of the software. Revenue on arrangements with customers who are
not the ultimate users (primarily resellers) is not recognized until the product
is delivered to the end user. If the fee due from the customer is not fixed or
determinable, revenue is recognized as payments become due from the customer. If
collectibility is not considered probable, revenue is recognized when the fee is
collected. Advance payments are recorded as deferred revenue until the products
are shipped, services are provided, or obligations are met. Marimba's products
do not require significant customization.

   Revenue recognized from multiple-element software arrangements are allocated
to each element of the arrangement based on the fair value of the elements, such
as software products, maintenance and support and consulting services. The
determination of fair value is based on objective evidence which is specific to
Marimba.



                                       34
<PAGE>   35

   Service revenues are comprised of revenue from maintenance agreements,
consulting and training fees. Software maintenance agreements provide technical
support and the right to unspecified upgrades on an if-and-when available basis.

   Service revenues from training and consulting are recognized upon completion
of the work to be performed. Revenue from maintenance agreements is deferred and
recognized on a straight-line basis over the life of the related agreement,
which is typically one year.

   Unbilled receivables consist of contractually obligated amounts not yet
billable by Marimba.

Research and Development

   Research and development expenditures are generally charged to operations as
incurred. Statement of Financial Accounting Standards No. 86, "Accounting for
the Costs of Computer Software to Be Sold, Leased or Otherwise Marketed,"
requires the capitalization of certain software development costs subsequent to
the establishment of technological feasibility, which, for Marimba, is
established upon completion of a working model. Costs incurred by Marimba
between completion of the working model and the point at which the product is
ready for general release have been insignificant. Therefore, all research and
development costs through December 31, 1999 have been expensed as incurred.

Advertising

   Marimba expenses advertising costs as incurred. Advertising expense was
$562,000, $51,000 and $63,000 for the years ended December 31, 1999, 1998 and
1997.

Cash, Cash Equivalents and Investments

   Cash equivalents consist of financial instruments which are readily
convertible to cash and have original maturities of three months or less at the
time of acquisition. Marimba's cash and cash equivalents as of December 31, 1999
and 1998 consist primarily of commercial paper, and demand deposits and money
market funds held by large financial institutions in the United States. The
carrying value of cash and cash equivalents approximates fair value at December
31, 1999 and 1998.

   Marimba classifies, at the date of acquisition, its marketable securities
into available-for-sale categories in accordance with the provisions of the
Financial Accounting Standards Board's Statement of Financial Accounting
Standards No. 115, "Accounting for Certain Investments in Debt and Equity
Securities." Currently, Marimba classifies its securities as available-for-sale
which are reported at fair market value with the related unrealized gains and
losses included in stockholders' equity. Unrealized gains and losses were not
material for the year ended December 31, 1998. Realized gains and losses and
declines in value of securities judged to be other than temporary are included
in interest income. Interest and dividends on all securities are included in
interest income. Investments with maturities between three and twelve months are
considered short-term investments.



                                       35
<PAGE>   36

   Investments available-for-sale are summarized as follows:


<TABLE>
<CAPTION>
                                                        Gross      Gross
                                          Amortized  Unrealized  Unrealized
                                            Cost        Gains      Losses    Fair Value
                                            ----        -----      ------    ----------
                                                          (in thousands)
<S>                                      <C>         <C>         <C>         <C>
December 31, 1999:
    Corporate notes..................    $  38,935   $      --   $    (163)  $  38,772
    Debt securities from U.S.
       Government and government
       agencies......................       14,079          --         (69)     14,010
    Market auction rate preferred
       stock.........................        1,909          --          --       1,909
    Certificates of deposits.........        2,065          --          (7)      2,058
                                         ---------   ---------   ----------  ---------
       Total investments.............    $  56,988   $      --   $    (239)  $  56,749
                                         =========   =========   ==========  =========

    Short-term investments...........    $  42,891   $      --   $    (131)  $  42,760
    Long-term investments............       14,097          --        (108)     13,989
                                         ---------   ---------   ----------  ---------
       Total investments.............    $  56,988   $      --   $    (239)  $  56,749
                                         =========   =========   ==========  =========

December 31, 1998:
    Market auction rate preferred
       stock.........................    $   3,100   $      --   $      --   $   3,100
    Corporate notes..................        1,025          --          --       1,025
                                         ---------   ---------   ---------   ---------
       Total investments.............    $   4,125   $      --   $      --   $   4,125
                                         =========   =========   =========   =========

    Short-term investments...........    $   4,125   $      --   $      --   $   4,125
    Long-term investments............           --          --          --         --
                                         ---------   ---------   ---------   --------
       Total investments.............    $   4,125   $      --   $      --   $   4,125
                                         =========   =========   =========   =========
</TABLE>

Property and Equipment

   Marimba records property and equipment at cost and calculates depreciation
using the straight-line method over the estimated useful lives of the assets,
generally three to five years. Leasehold improvements are amortized over the
shorter of the estimated useful lives of the respective assets or the term of
the lease.

Accounting for Stock-Based Compensation

   Marimba has elected to follow Accounting Principles Board Opinion No. 25,
"Accounting for Stock Issued to Employees" (APB Opinion No. 25), and related
interpretations in accounting for its employee stock options because, as
discussed in Note 6, the alternative fair value accounting provided for under
Statement of Financial Accounting Standards No. 123, "Accounting for Stock-Based
Compensation" ("FAS 123"), requires use of option valuation models that were not
developed for use in valuing employee stock options. Under APB Opinion No. 25,
when the exercise price of Marimba's employee stock options equals the market
price of the underlying stock on the date of grant, no compensation expense is
recognized. See pro forma disclosures of applying FAS 123 included in Note 6.

Comprehensive Loss

   In June 1997, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standards No. 130, "Reporting Comprehensive Income" ("FAS
130"). FAS 130 establishes standards for the reporting and display of
comprehensive income and its components in a full set of general purpose
financial statements and is effective for fiscal years beginning after December
15, 1997. Marimba adopted FAS 130 in the year ended December 31, 1998.

Concentrations of Credit Risk and Other Risks

Financial instruments that subject Marimba to credit risk consist primarily of
uninsured cash, cash equivalents and short-term and long-term investment
balances held at commercial banks and institutions primarily in the United
States and trade receivables from Marimba's customers. Marimba sells to
customers in many different industries. Marimba extends reasonably short credit
terms in most instances and performs ongoing credit evaluations but does not
require collateral. Marimba provides reserves for potential credit losses, and
such losses have been within management's expectations. To date, Marimba's
write-offs of bad debts have not been significant. During the years ended
December 31, 1999, 1998 and



                                       36
<PAGE>   37

1997, Marimba added approximately $36,000, $75,000, and $50,000 to its bad debt
reserves. Total write-offs of uncollectible accounts were $2,000, $54,000 and
$1,000 in these periods.

   For the year ended December 31, 1999, no single customer represented more
than 10% of total revenues. At December 31, 1999, two customers represented 16%
and 19% of accounts receivable. Revenues from one reseller represented 22% and
18% of total revenues for the years ended December 31, 1998 and 1997. The same
reseller accounted for 57% of accounts receivable at December 31, 1997. Sales to
another reseller represented 18% of total revenues for the year ended December
31, 1998. Two other customers accounted for 48% and 16% of the combined accounts
receivable and unbilled receivables accounts at December 31, 1998.

Segment Information

   Marimba has adopted the Financial Accounting Standards Board's Statement of
Financial Accounting Standards No. 131, "Disclosures about Segments of an
Enterprise and Related Information" ("FAS 131"). FAS 131 changes the way
companies report selected segment information in annual financial statements and
requires companies to report selected segment information in interim financial
reports to stockholders. Marimba operates solely in one segment, the development
and marketing of network application software, and therefore there is no impact
to Marimba's financial statements of adopting FAS 131. For the years ended
December 31, 1999, 1998 and 1997, export sales to customers outside the United
States were $2,499,000, $1,265,000 and $1,199,000.

Net Loss Per Share

   Basic and diluted net loss per common share are presented in conformity with
FAS No. 128, "Earnings Per Share" ("FAS 128"), for all periods presented.
Pursuant to the Securities and Exchange Commission Staff Accounting Bulletin No.
98, common stock and convertible preferred stock issued or granted for nominal
consideration prior to the anticipated effective date of Marimba's initial
public offering must be included in the calculation of basic and diluted net
loss per common share as if they had been outstanding for all periods presented.
To date, Marimba has not had any issuances or grants for nominal consideration.

   In accordance with FAS 128, basic and diluted net loss per share has been
computed using the weighted-average number of shares of common stock outstanding
during the periods, less shares subject to repurchase. Pro forma basic and
diluted net loss per share, as presented in the statements of operations, has
been computed as described above and also gives effect, under Securities and
Exchange Commission guidance, to the conversion of the redeemable convertible
preferred stock (using the if-converted method) from the original date of
issuance.

   The following table presents the calculation of basic and diluted and pro
forma basic and diluted net loss per share:

<TABLE>
<CAPTION>
                                                         Year Ended December 31,
                                                       1999        1998        1997
                                                    ----------  ----------   -------
                                                     (in thousands, except per share
                                                                  data)

<S>                                                 <C>         <C>          <C>
Net loss........................................     $ (4,214)   $ (5,681)   $ (7,718)
                                                     ========    ========    ========

Basic and diluted:
    Weighted-average shares of common stock
        outstanding.............................       19,855      13,081      11,474
    Less weighted-average shares subject to
        repurchase..............................         (826)     (3,475)     (6,562)
                                                     --------    --------    --------
    Weighted-average shares of common stock
        outstanding used in computing basic
        and diluted net loss per share..........       19,029       9,606       4,912
                                                     ========    ========    ========
    Basic and diluted net loss per share........     $   (.22)   $   (.59)   $  (1.57)
                                                     ========    ========    ========

Pro forma (unaudited):
    Shares used above...........................                    9,606
    Pro forma adjustment to reflect
        weighted-average effect of the
        assumed conversion of redeemable
        convertible preferred stock.............                    5,753
                                                                 --------
    Shares used in computing pro forma basic
        and  diluted net loss per share.........                   15,359
                                                                 ========
    Pro forma basic and diluted net loss per
        share...................................                 $   (.37)
                                                                 ========
</TABLE>



                                       37
<PAGE>   38

   Marimba has excluded all redeemable convertible preferred stock, warrants,
outstanding stock options and shares subject to repurchase by Marimba from the
calculation of diluted loss per share because all such securities are
antidilutive for all periods presented. Weighted-average options and warrants
outstanding to purchase 2,861,000, 1,483,000 and 1,261,000 shares of common and
redeemable convertible preferred stock for the years ended December 31, 1999,
1998, and 1997, were not included in the computation of diluted net loss per
share because the effect would be antidilutive. Such securities, had they been
dilutive, would have been included in the computation of diluted net loss per
share using the treasury stock method.

Recent Accounting Pronouncements

   In June 1998, the Financial Accounting Standards Board issued FAS No. 133,
"Accounting for Derivative Instruments and Hedging Activities" ("FAS 133"). FAS
133, as amended, establishes methods of accounting for derivative financial
instruments and hedging activities related to those instruments as well as other
hedging activities. We are required to adopt FAS 133 effective January 1, 2001.
Because Marimba currently holds no derivative financial instruments and does not
currently engage in hedging activities, we do not currently believe that the
adoption of FAS 133, as amended, will have a significant impact on Marimba's
financial condition, results of operations or cash flows.

   In December 1999, the Securities and Exchange Commission issued Staff
Accounting Bulletin No. 101 ("SAB 101"). This summarizes certain areas of the
Staff's views in applying generally accepted accounting principles to revenue
recognition in financial statements. Marimba believes that its current revenue
recognition policies comply with SAB 101.

2.   PROPERTY AND EQUIPMENT

   Property and equipment consist of the following:

<TABLE>
<CAPTION>
                                                        December 31,
                                                     1999       1998
                                                   --------   --------
                                                       (in thousands)
<S>                                                <C>        <C>
 Furniture and equipment.......................     $  764     $  759
 Computer equipment............................      3,325      2,074
 Purchased software............................      1,097        962
 Leasehold improvements........................        291        241
                                                    ------     ------
                                                     5,477      4,036
 Accumulated depreciation and amortization.....     (2,522)    (1,289)
                                                    ------     ------
 Property and equipment, net...................     $2,955     $2,747
                                                    ======     ======
</TABLE>

   Property and equipment at December 31, 1999 and 1998 includes assets under
capitalized leases of approximately $378,000. Accumulated amortization related
to leased assets was approximately $378,000 and $280,000 at December 31, 1999
and 1998.

3.   LEASES AND COMMITMENTS

   In January 1997, as part of a sale-leaseback transaction, Marimba entered
into a $500,000 capital lease line of credit for financing of equipment, which
expired on December 31, 1997. Marimba borrowed $378,000 under the line of
credit. This amount bears interest at a rate of 3.5% and is collateralized by
the equipment purchased. Under the terms of the master lease agreement, Marimba
will have the option to purchase the leased equipment at a negotiated price at
the end of the 36-month lease term. In connection with the capital lease,
Marimba issued a warrant that entitles the holder to purchase 16,865 shares of
common stock. See Note 6.



                                       38
<PAGE>   39

   Marimba leases its office facilities under various noncancelable operating
lease agreements. As of December 31, 1999, future minimum lease payments under
capital leases and noncancelable operating leases are as follows:

<TABLE>
<CAPTION>
                                                      Capital    Operating
                                                      Leases      Leases
                                                      ------      ------
                                                        (in thousands)
<S>                                                 <C>          <C>
Year ending December 31:
    2000........................................    $       60   $  1,632
    2001........................................            --      1,766
    2002........................................            --      1,855
    2003........................................            --      1,934
    2004........................................            --      1,960
    Thereafter..................................            --        728
                                                    ----------   --------
        Total minimum lease and principal payments  $       60   $  9,875
                                                                 ========
Amount representing interest....................            (1)
                                                    ----------
Present value of future payments................            59
Current portion of capital lease obligations....           (59)
                                                     ---------
Noncurrent portion..............................     $      --
                                                     =========
</TABLE>

   Marimba's headquarter facility lease expires in April 2000. During the first
quarter of 2000, Marimba's headquarters facility lease was renewed until April
2005 and Marimba also entered into a lease for a regional office. The future
minimum lease payments under these leases are included in the table above. Rent
expense under operating leases totaled approximately, $1,772,000, $1,245,000 and
$375,000 for the years ended December 31, 1999, 1998, and 1997.

4. DEFERRED COMPENSATION

   We recorded deferred compensation of approximately $1,367,000 in 1998,
representing the difference between the exercise prices of options granted to
acquire 940,500 shares of common stock during 1998 and the deemed fair value for
financial reporting purposes of our common stock on the grant dates. In April
1999, Marimba granted to employees options to purchase 1,047,000 shares of
common stock at an exercise price of $15.00 per share. Associated with this
grant, we recorded additional deferred compensation of $1,974,000.

   Deferred compensation is being amortized over the vesting periods of the
options on a graded vesting method. We amortized deferred compensation expense
of $1,410,000 during fiscal 1999 and $251,000 during fiscal 1998. This
compensation expense relates to options awarded to individuals in all operating
expense categories. The amortization of deferred compensation net of reductions
of $260,000 in February 2000 due to cancelled shares, will approximate $892,000
for 2000, $414,000 for 2001 and $114,000 for 2002.

5.   STOCKHOLDERS' EQUITY

   On April 30, 1999, Marimba sold 3,548,000 shares of common stock in an
underwritten public offering and on May 4, 1999 sold an additional 188,000
shares through the exercise of the underwriters' over-allotment option for net
proceeds of approximately $68,075,000, after offering expenses. Simultaneously
with the closing of the public offering, all 5,753,566 shares of Marimba's
preferred stock were converted to common stock on a one for one basis.
Additionally, a warrant to purchase 16,865 shares of Series A convertible
preferred stock was converted to a warrant to purchase the same number of common
shares. In December 1999, the warrant was exercised.

   As of December 31, 1999, our authorized capital stock consisted of 80,000,000
shares of common stock and 10,000,000 shares of undesignated preferred stock.
The following is a summary description of our capital stock:

Common Stock

The holders of common stock are entitled to one vote per share on all matters to
be voted upon by the stockholders. Holders of common stock do not have
cumulative voting rights, and, therefore, holders of the remaining shares voting
for the election of directors can elect all of the directors. Subject to
preferences that may be applicable to any outstanding preferred stock, the
holders of common stock are entitled to receive dividends, if any, as may be
declared from time to time by the board of directors out of funds legally
available. In the event of the liquidation, dissolution or winding up of
Marimba, the holders of common stock are entitled to share ratably in all assets
remaining after payment of liabilities,



                                       39
<PAGE>   40

subject to prior distribution rights of preferred stock, if any, then
outstanding. The common stock has no preemptive or conversion rights or other
subscription rights. There are no redemption or sinking fund provisions
applicable to the common stock. All outstanding shares of common stock are fully
paid and nonassessable, and the shares of common stock to be issued upon
completion of this offering will be fully paid and nonassessable.

Preferred Stock

   The board of directors has the authority to issue the preferred stock in one
or more series and to fix the rights, preferences, privileges and related
restrictions, including dividend rights, dividend rates, conversion rights,
voting rights, terms of redemption, redemption prices, liquidation preferences
and the number of shares constituting any series or the designation of the
series, without further vote or action by the stockholders. The issuance of
preferred stock may have the effect of delaying, deferring or preventing a
change in control of us without further action by the stockholders and may
adversely affect the voting and other rights of the holders of common stock. The
issuance of preferred stock with voting and conversion rights may adversely
affect the voting power of the holders of common stock, including the loss of
voting control to others.

Dividend Policy

   We did not declare nor pay any cash dividends on our capital stock during the
fiscal years ended December 31, 1999, 1998 and 1997 and do not expect to do so
in the foreseeable future. We anticipate that all future earnings, if any,
generated from operations will be retained by us to develop and expand our
business. Any future determination with respect to the payment of dividends will
be at the discretion of the Board of Directors and will depend upon, among other
things, our operating results, financial condition and capital requirements, the
terms of then-existing indebtedness, general business conditions and such other
factors as the Board of Directors deems relevant.

6.   STOCK OPTION AND OTHER EMPLOYEE BENEFIT PLANS

1996 Stock Option Plan

   In November 1996, the Board of Directors adopted the 1996 Stock Option Plan
(the "1996 Plan") for issuance of common stock to eligible participants.
Incentive stock options and nonstatutory stock options may be granted under the
1996 Plan at prices not less than 100% and 85% of the fair value on the date of
grant. Options expire after 10 years. Options under the plan are immediately
exercisable; however, shares issued are subject to Marimba's right to repurchase
such shares at the original issuance price, which right lapses in a series of
installments measured from the vesting commencement date of the option. As of
December 31, 1999, 435,683 shares were subject to repurchase. Options generally
vest and the repurchase rights lapse ratably over a period of three or four
years from the date of grant.

1999 Omnibus Equity Incentive Plan

   In March 1999, stockholders approved the adoption of Marimba's 1999 Omnibus
Equity Incentive Plan (the "1999 Omnibus Plan"). A total of 1,250,000 shares of
common stock have been reserved for issuance to eligible participants under the
1999 Omnibus Plan. The types of awards that may be made under the 1999 Omnibus
Plan are options to purchase shares of common stock, stock appreciation rights,
restricted shares and stock units. The exercise price for incentive stock
options may not be less than 100% of the fair market value of Marimba's common
stock on the date of grant (85% for nonstatutory options). In the event of a
change in control of Marimba, an option or award under the 1999 Omnibus Plan
will become fully exercisable and fully vested if the option or award is not
assumed by the surviving corporation or the surviving corporation does not
substitute comparable awards for the awards granted under the 1999 Omnibus Plan.

1999 Non-Employee Directors Option Plan

   In March 1999, stockholders approved the adoption of Marimba's Non-Employee
Directors Option Plan. A total of 150,000 shares of common stock have been
reserved for issuance to non-employee members of the Board. Commencing January
1, 2000, the number of shares reserved for issuance will be increased
automatically to restore the total number of shares available under this plan to
150,000 shares.



                                       40
<PAGE>   41

   A summary of Marimba's stock option activity is as follows:

<TABLE>
<CAPTION>
                                                      Options Outstanding
                                           ---------------------------------------
                                                                         Weighted-
                                 Shares        Number        Price        Average
                               Available         Of           Per        Exercise
                               for Grant       Shares        Share         Price
                               ---------       ------        -----         -----
<S>                            <C>          <C>          <C>             <C>
Balance at December 31,
   1996.....................   1,675,603     1,499,000   $    .15         $  .15

   Authorized...............   2,000,000
   Granted..................  (2,529,610)    2,529,610      .15-- .75        .31
   Exercised................          --    (3,217,110)     .15-- .50        .20
   Repurchased..............     150,000            --         --             --
   Canceled.................      17,000       (17,000)     .15-- .75        .68
                              ----------       -------
Balance at December 31,
   1997.....................   1,312,993       794,500      .15-- .75        .41

   Authorized...............   1,300,000
   Granted..................  (2,017,800)    2,017,800     1.00--8.50       3.54
   Exercised................          --      (238,569)     .50--2.00        .96
   Repurchased..............     253,417            --         --             --
   Canceled.................     381,163      (381,163)     .15--3.50        .84
                              ----------      --------
Balance at December 31,
   1998.....................   1,229,773     2,192,568      .15--8.50       3.16

   Authorized...............   1,400,000
   Granted..................  (2,252,750)    2,252,750    10.00--31.38     20.59
   Exercised................          --      (615,171)     .15--20.00      2.49
   Repurchased..............      70,309            --         --             --
   Canceled.................     367,352      (367,352)     .50--31.38     10.75
                              ----------    ----------
Balance at December 31, 1999     814,684     3,462,795   $  .15--$31.38   $13.84
                              ==========     =========
</TABLE>

   As of December 31, 1999 and 1998, there were 2,585,545 and 188,289 fully
vested and exercisable shares with a weighted average exercise price of $8.56
and $.57 per share.

   The following table details outstanding and exercisable options as of
December 31, 1999:

<TABLE>
<CAPTION>
                               Outstanding
                   ---------------------------------------------
                                    Weighted-                               Exercisable
                                     Average                       -----------------------------
                                    Remaining    Weighted-                         Weighted-
Range of             Number of     Contractual    Average           Number of       Average
Exercise Price        Shares          Life       Exercise Price      Shares       Exercise Price
- --------------        ------          ----        --------------     ------       --------------
<S>                 <C>            <C>           <C>                <C>           <C>
$      .15             50,000         6.84        $   .15             50,000      $     .15
   .50 --    .75      166,944         7.76            .52            166,944            .52
  1.00 --   1.50      111,531         8.12           1.33            111,531           1.33
  1.75 --   2.00       64,828         8.34           1.83             64,828           1.83
  3.00 --   3.50      811,717         8.68           3.14            811,717           3.14
  7.00 --   8.50      214,475         8.96           8.37            214,475           8.37
 10.00 --  15.00    1,078,050         9.28          14.53          1,078,050          14.53
$20.00 -- $31.38      965,250         9.77          28.54             88,000          20.00
                    ---------                                      ---------

        Total       3,462,795         9.09        $ 13.84          2,585,545      $    8.56
                    =========                                      =========
</TABLE>

Stock Based Compensation

   We utilize the intrinsic value-based method to account for all of our
stock-based benefit plans. Pro forma information regarding net loss and net loss
per share is required by FAS 123, and has been determined as if Marimba had
accounted for its employee stock-based benefit plans under the fair value method
of that Statement.



                                       41
<PAGE>   42

   The fair value of each option granted through December 31, 1999 was estimated
on the date of grant using the minimum value (before Marimba went public) or the
Black-Scholes method. The Black-Scholes option valuation model was developed for
use in estimated the fair vale of traded options that have no vesting
restrictions and are fully transferable. The Black-Scholes model requires the
input of highly subjective assumptions including the expected stock price
volatility. Because Marimba's stock-based awards have characteristics
significantly different from those in traded options, and because changes in the
subjective input assumptions can materially affect the fair value estimate, in
management's opinion, the existing models do not necessarily provide a reliable
single measure of the fair value of its stock based awards. The fair value of
Marimba's stock-based awards was estimated using the following weighted-average
assumptions:

<TABLE>
<CAPTION>
                                                   Year Ended December 31,
                                                 1999        1998        1997
                                                 ----        ----        ----
<S>                                           <C>           <C>         <C>
Fair value of options....................     $ 12.87       $ .73       $ .06
Assumptions:
   Risk-free interest rate...............        6%           5%          6%
   Expected life.........................     3 years       4 years     3 years
   Volatility............................       101%          --          --
   Dividend yield........................       --            --          --
</TABLE>

   The weighted-average fair value of options granted during 1998 with an
exercise price below the deemed fair value of Marimba's common stock on the date
of grant was $2.07.

   The weighted-average fair market values of share granted under our 1999
Employee Stock Purchase Plan (see plan description below) was $13.68 for fiscal
1999 calculated using the Black-Scholes pricing model with the following
weighted-average assumptions: risk-free interest rate of 6%, expected life of 2
years, volatility of 101% and dividend yield of zero.

   For purposes of pro forma disclosures, the estimated fair value at grant date
for awards under all stock-based benefit plans is amortized to pro forma expense
over the options vesting period using the graded method. Pro forma information
is as follows:

<TABLE>
<CAPTION>
                                                   Year Ended December 31,
                                                 1999         1998         1997
                                                 ----         ----         ----
                                            (in thousands, except per share data)
<S>                                         <C>            <C>           <C>
Net loss:
     As reported.........................   $  (4,214)     $  (5,681)    $  (7,718)
                                            ==========     =========     =========
     Pro forma...........................   $  (10,532)    $  (6,123)    $  (7,771)
                                            ==========     =========     =========
Basic and diluted net loss per share:
      As reported........................   $     (.22)    $    (.59)    $   (1.57)
                                            ==========     =========     =========
      Pro forma..........................   $     (.55)    $    (.64)    $   (1.58)
                                            ==========     =========     =========
</TABLE>

   The effects of applying FAS 123 for pro forma disclosures are not likely to
be representative of the effects on reported net loss for future years.

1999 Employee Stock Purchase Plan

   In March 1999, stockholders approved the adoption of Marimba's 1999 employee
stock purchase plan (the "1999 Purchase Plan"). A total of 500,000 shares of
common stock has been reserved for issuance under the 1999 Purchase Plan, plus,
commencing on January 1, 2000, annual increases equal to the lesser of 500,000
shares, 2% of the outstanding common shares on such date or a lesser amount
determined by the Board of Directors. The 1999 Purchase Plan permits eligible
employees to acquire shares of Marimba's common stock through periodic payroll
deductions of up to 10% of base cash compensation. No more than 500 shares may
be purchased by each employee on any purchase date. Each offering period will
have a maximum duration of 24 months. The price at which the common stock may be
purchased is 85% of the lesser of the fair market value of Marimba's common
stock on the first day of the applicable offering period or on the last day of
the respective purchase period. The initial offering period commenced on April
30, 1999 and will end on April 30, 2001. A total of 42,306 shares were issued
under the 1999 Purchase Plan in fiscal year 1999 at a price of $17.00.



                                       42
<PAGE>   43

Warrant

   In January 1997, in connection with the sale-leaseback transaction, Marimba
issued a warrant that entitles the holder to purchase 16,865 shares of Series A
redeemable convertible preferred stock at an exercise price of $1.48 per share.
In April 1999, this warrant to purchase 16,865 shares of Series A convertible
preferred stock was converted to a warrant to purchase the same number of common
shares. In December 1999, the warrant was exercised and 16,865 shares of common
stock were issued.

7.   INCOME TAXES

   Marimba's provision for income taxes for the years ended December 31, 1999,
1998 and 1997 consists entirely of foreign taxes.

   As of December 31, 1999, Marimba had federal net operating loss carryforwards
of approximately $15,600,000. Marimba also had federal research and development
tax credit carryforwards of approximately $700,000. The net operating loss and
credit carryforwards will expire at various dates beginning in 2011 through
2019, if not utilized.

   Utilization of the net operating losses and credits may be subject to a
substantial annual limitation due to the ownership change provisions of the
Internal Revenue Code of 1986 and similar state provisions. The annual
limitation may result in the expiration of net operating losses and credits
before utilization.

   Significant components of Marimba's deferred tax assets are as follows:

<TABLE>
<CAPTION>
                                                        December 31,
                                                      1999        1998
                                                      ----        ----
                                                       (in thousands)
<S>                                                 <C>          <C>
Deferred tax assets:
      Net operating loss carryforwards..........     $6,100      $4,400
      Research credit carryforwards.............      1,100         600
      Deferred revenue..........................        900         900
      Other.....................................        200         200
                                                     ------      ------
              Total deferred tax assets.........      8,300       6,100
Valuation allowance.............................     (8,300)     (6,100)
                                                     ------      ------
Net deferred tax assets.........................     $   --      $   --
                                                     ======      ======
</TABLE>

     The valuation allowance for deferred tax assets increased by approximately
$2,500,000 and $3,100,000 in the years ended December 31, 1998 and 1997.

8.   LEGAL MATTERS

Novadigm v. Marimba

   On March 3, 1997, Novadigm, Inc. filed a complaint against Marimba in the
United States District Court for the Northern District of California, alleging
infringement of a patent held by Novadigm. Novadigm alleges that Marimba's
infringement relates to certain methods for updating data and software over a
computer network used in the Castanet products. In its complaint, Novadigm
requests preliminary and permanent injunctions prohibiting Marimba and other
specified persons from making, using or selling any infringing products, as well
as damages, costs, and attorneys' fees. The complaint also alleges that Marimba
has willfully infringed Novadigm's Patent, and seeks up to triple damages
pursuant to the United States Patent Act.

   The trial in this case is scheduled to commence on November 7, 2000. The
trial date was set following a preliminary trial held in November 1999 in which
the court held that there was insufficient evidence to find that Novadigm had
engaged in "inequitable conduct" in the submission of its patent application. To
date, both parties have substantially completed their factual and expert
discovery.

Marimba believes that it has strong defenses against Novadigm's lawsuit.
Accordingly, Marimba intends to defend this suit vigorously. However, Marimba
may not prevail in this litigation. Litigation is subject to inherent
uncertainties, especially in cases such as this where sophisticated factual
issues must be assessed and complex technical issues must be decided. In
addition, cases such as this are likely to involve issues of law that are
evolving, presenting further uncertainty. Marimba's defense of this litigation,
regardless of the merits of the complaint, has been, and will likely continue to
be, time-consuming, costly and a



                                       43
<PAGE>   44

diversion for Marimba's technical and management personnel. The failure of
Marimba to prevail in this litigation could have a material adverse effect on
Marimba's liquidity, results of operations and financial condition.

Marimba v. Novadigm

On July 30, 1999 Marimba filed a complaint against Novadigm in the United States
District Court for the Northern District of California alleging infringement by
Novadigm of a patent held by us (U.S. Patent No. 5,919,247, the "Marimba
Patent"). Our complaint seeks monetary damages, as well as an injunction to
prevent Novadigm from making, using or selling infringing software products. Our
complaint also alleges that Novadigm has willfully infringed the Marimba Patent
and seeks up to triple damages under the United States Patent Act.

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

   None.

PART III

ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

   The information required by Item 10 is incorporated herein by reference from
the section entitled "Proposal No. 1 -- Election of Directors" of the Proxy
Statement.

ITEM 11.  EXECUTIVE COMPENSATION

   The information required by Item 11 is incorporated herein by reference from
the section entitled "Executive Compensation and Related Information" of the
Proxy Statement.

ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

   The information required by Item 12 is incorporated herein by reference from
the section entitled "Stock Ownership of Certain Beneficial Owners and
Management" of the Proxy Statement.

ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

   The information required by Item 13 is incorporated herein by reference from
the section entitled "Certain Relationships and Related Transactions" of the
Proxy Statement.

PART IV

ITEM 14.  EXHIBITS, FINANCIAL STATEMENTS SCHEDULE, AND REPORTS ON FORM 8-K

   (a)  (1) Financial Statements
        See the Consolidated Financials Statements and Supplementary Data
        beginning on page 28 of this Form 10-K.

        (2) Financial Statement Schedules No schedules have been filed because
        the information required to be set forth therein is not applicable or
        is shown in the financial statements or notes thereto.

        (3) Exhibits
        See Exhibit Index on page 46 of this Form 10-K.

   (b)  Reports on Form 8-K
        During the quarter ended December 31, 1999, the Company did not file any
        reports on Form 8-K.

   (c)  See Exhibit Index at page 46 of this Form 10-K.

   (d)  See the Consolidated Financial Statements and Supplementary Data
        beginning on page 28 of this Form 10-K.



                                       44
<PAGE>   45

                                  MARIMBA, INC.
                                   SIGNATURES

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


<TABLE>
<S>     <C>                                                <C>
By:      /s/ FRED M. GERSON                                Date:  March 27, 2000
         ------------------
        Fred M. Gerson
        Vice President and Chief Financial Officer
        Principal Financial and Accounting Officer
</TABLE>

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

<TABLE>
<S>     <C>                                                <C>
By:      /s/ KIM K. POLESE                                 Date:  March 27, 2000
         -----------------
        Kim K. Polese
        President, Chief Executive Officer and Director

By:      /s/ ARTHUR A. VAN HOFF                            Date:  March 27, 2000
         ----------------------
        Arthur A. van Hoff
        Chief Technology Officer and Director

By:      /s/ ANEEL BHUSRI                                  Date:  March 27, 2000
         ----------------
        Aneel Bhusri
        Director

By:      /s/ RAYMOND J. LANE                               Date:  March 27, 2000
         -------------------
        Raymond J. Lane
        Director

By:      /s/ DOUGLAS J. MACKENZIE                          Date:  March 27, 2000
         ------------------------
        Douglas J. Mackenzie
        Director

By:      /s/ STRATTON D. SCLAVOS                           Date:  March 27, 2000
         -----------------------
        Stratton D. Sclavos
        Director
</TABLE>



                                       45
<PAGE>   46

                                  MARIMBA, INC.
                                  EXHIBIT INDEX

<TABLE>
<CAPTION>
     EXHIBIT
       NO.                        DESCRIPTION
       ---                        -----------

    <S>           <C>
     3.1          Form of Third Amended and Restated Certificate of
                  Incorporation to be filed upon the closing of the offering
                  made pursuant to this Registration Statement - incorporated
                  herein by reference to Exhibit 3.3 to the Company's
                  Registration Statement on Form S-1 (File No. 333-72353).

     3.2          Amended and Restated Bylaws of the Registrant - incorporated herein by reference
                  to Exhibit 3.4 to the Company's Registration Statement on Form S-1
                  (File No. 333-72353).

     4.1          Reference is made to Exhibits 3.1 and 3.2.

     4.2          Form of Registrant's Common Stock certificate - incorporated herein by reference
                  to Exhibit 4.2 to the Company's Registration Statement on Form S-1
                  (File No. 333-72353).

     4.3          Amended and Restated Investors' Rights Agreement dated August 25, 1997 -
                  incorporated herein by reference to Exhibit 4.3 to the Company's Registration
                  Statement on Form S-1 (File No. 333-72353).

     4.4          Form of Amendment and Waiver of Registration Rights under the Amended and
                  Restated Investors' Rights Agreement - incorporated herein by reference to
                  Exhibit 4.4 to the Company's Registration Statement on Form S-1
                  (File No. 333-72353).

     4.5          Warrant to purchase shares of Series A Preferred Stock of the
                  Registrant issued to Lighthouse Capital Partners II, L.P. -
                  incorporated herein by reference to Exhibit 4.5 to the
                  Company's Registration Statement on Form S-1 (File No.
                  333-72353).

    10.1          Form of Indemnification Agreement entered into by the
                  Registrant with each of its directors and executive officers -
                  incorporated herein by reference to Exhibit 10.1 to the
                  Company's Registration Statement on Form S-1 (File No.
                  333-72353).

    10.2          1999 Omnibus Equity Incentive Plan and forms of agreements thereunder -
                  incorporated herein by reference to Exhibit 10.2 to the Company's Registration
                  Statement on Form S-1 (File No. 333-72353).

    10.3          Employee Stock Purchase Plan - incorporated herein by reference to Exhibit 10.3
                  to the Company's Registration Statement on Form S-1 (File No. 333-72353).

    10.5          Assignment and Assumption of Sublease between Quickturn Design Systems, Inc. and
                  ilicon, Inc. dated January 31, 1999 - incorporated herein by reference to Exhibit
                  10.5 to the Company's Registration Statement on Form S-1 (File No. 333-72353).

    10.6          Loan and Security Agreement between the Registrant and Silicon
                  Valley Bank dated May 27, 1998 - incorporated herein by
                  reference to Exhibit 10.6 to the Company's Registration
                  Statement on Form S-1 (File No. 333-72353).

    10.7(1)       Original Equipment Manufacturer Agreement between Tivoli Systems Subsidiary, Inc.
                  and the Registrant dated March 6, 1998 - incorporated herein by reference to
                  Exhibit 10.7 to the Company's Registration Statement on Form S-1
                  (File No. 333-72353).

    10.8(1)       Amendment No. 1 to Original Equipment Manufacturer Agreement between Tivoli
                  Systems, Inc. and the Registrant dated February 8, 1999 - incorporated herein by
                  reference to Exhibit 10.8 to the Company's Registration Statement on Form S-1
                  (File No. 333-72353).

    10.9(1)       Reseller Agreement between Tivoli Systems Subsidiary, Inc. and the Registrant
                  dated August 14, 1997 - incorporated herein by reference to Exhibit 10.9 to the
                  Company's Registration Statement on Form S-1 (File No. 333-72353).

    10.10(1)      Amendment No. 1 to Reseller Agreement between Tivoli Systems, Inc. and the
                  Registrant dated June 1, 1998 - incorporated herein by reference to Exhibit 10.10
                  to the Company's Registration Statement on Form S-1 (File No. 333-72353).

    10.11         Amendment No. 2 to Reseller Agreement between Tivoli Systems, Inc. and the
                  Registrant dated June 30, 1998 - incorporated herein by reference to Exhibit
                  10.11 to the Company's Registration Statement on Form S-1 (File No. 333-72353).

    10.12         Reseller License Guide to Reseller Agreement between Tivoli Systems, Inc. and the
                  Registrant dated November 23, 1998 - incorporated herein by reference to Exhibit
                  10.12 to the Company's Registration Statement on Form S-1 (File No. 333-72353).

    10.13(1)      Pricing Guide to Reseller Agreement between Tivoli Systems, Inc. and the
                  Registrant dated November
</TABLE>



                                       46
<PAGE>   47

<TABLE>
    <S>          <C>
                  23, 1998 - incorporated herein by reference to Exhibit 10.13
                  to the Company's Registration Statement on Form S-1 (File No.
                  333-72353).
    10.14         Amendment No. 3 to Reseller Agreement between Tivoli Systems, Inc. and the
                  Registrant dated February 9, 1999 - incorporated herein by reference to Exhibit
                  10.14 to the Company's Registration Statement on Form S-1 (File No. 333-72353).
    10.15         Amendment No. 4 to Reseller Agreement between Tivoli Systems, Inc. and the
                  Registrant dated April 27, 1999 - incorporated herein by reference to Exhibit
                  10.15 to the Company's Registration Statement on Form S-1 (File No. 333-72353).
    10.16         Amendment No. 5 to Reseller Agreement between Tivoli Systems, Inc. and the
                  Registrant dated June 29, 1999 - incorporated herein by reference to the
                  Company's Quarterly Report on Form 10-Q filed on August 12, 1999.
    10.17         Lease between ilicon, Inc. and Registrant dated February 27, 2000.
    21.1          List of Subsidiaries of the Registrant.
    23.1          Consent of Ernst & Young LLP, Independent Auditors.
    27.1          Financial Data Schedule (electronic filing only).
    99.1          Order of the United States District Court for the Northern District of
                  California, San Jose Division dated December 28, 1998 -
                  incorporated herein by reference to Exhibit 99.1 to the
                  Company's Registration Statement on Form S-1 (File No.
                  333-72353).
</TABLE>

- ----------

    (1) Confidential treatment requested.



                                       47

<PAGE>   1

                                                                   EXHIBIT 10.17

    [LOGO]        AMERICAN INDUSTRIAL REAL ESTATE ASSOCIATION


           STANDARD INDUSTRIAL/COMMERCIAL SINGLE-TENANT LEASE -- NET
                (DO NOT USE THIS FORM FOR MULTI-TENANT BUILDINGS)

1.      BASIC PROVISIONS ("BASIC PROVISIONS").

        1.1     PARTIES: This Lease ("LEASE"), dated for reference purposes
only, February 21, 2000, is made by and between ilicon, Inc. a California
corporation ("LESSOR") and Marimba, Inc. a Delaware corporation ("LESSEE"),
(collectively the "PARTIES," or individually a "PARTY").

        1.2     PREMISES: That certain real property, including all improvements
therein or to be provided by Lessor under the terms of this Lease, and commonly
known as 440 Clyde Avenue, Mountain View,located in the County of Santa Clara,
State of California, and generally described as (describe briefly the nature of
the property and, if applicable, the "PROJECT", if the property is located
within a Project) that improved parcel of land containing 3.07 acres, more or
less with two joined buildings containing approximately 35,273 rentable square
feet and 12,200 rentable square feet, respectively, for a total of approximately
47,473 rentable square feet, more particularly described on Exhibit "A" attached
hereto,("PREMISES"). (See also Paragraph 2)

        1.3     TERM: Five (5) years and 0 months ("ORIGINAL TERM") commencing
May 1, 2000 COMMENCEMENT DATE") and ending April 30, 2005 ("EXPIRATION DATE").
(See also Paragraph 3)

        1.4     EARLY POSSESSION:    Not Applicable ("EARLY POSSESSION DATE").
(See also Paragraphs 3.2 and 3.3)

        1.5     BASE RENT: Lessee shall pay to Lessor on the first day of each
calendar month, commencing on May 1, 2000, Base Rent in monthly installments in
advance on a triple net basis (Maintenance and Repairs, Paragraph 7.1;
Insurance, Paragraph 8.1; and Real Property Taxes, Paragraph 10.2) in lawful
money of the United States, at the initial rate of $2.65 per rentable square
foot and adjusted during the term of this Lease, as follows:

<TABLE>
<CAPTION>
                Period                        Base Rent Per Month NNN
                ------                        -----------------------
<S>                                           <C>
        May 1, 2000 - April 30. 2001               $125,803.45
        May 1, 2001 - April 30, 2002               $132,093.62
        May 1, 2002 - April 30, 2003               $138,698.30
        May 1, 2003 - April 30, 2004               $145,633.21
        May 1, 2004 - April 30, 2005               $152,914.87
</TABLE>

(See also Paragraph 4).

[X] If this box is checked, there are provisions in this Lease for the Base Rent
    to be adjusted.

        1.6     BASE RENT PAID UPON EXECUTION: $       Not Applicable
as Base Rent for the period ___________________________________________________.

        1.7     SECURITY DEPOSIT:

                (a)  Lessor currently holds a security deposit ("Security
Deposit") from Lessee in the amount of $189,892 pursuant to the existing Lease
of the Premises which expires on April 30.



                                  Page 1 of 23

<PAGE>   2
2000.  Lessor shall continue to hold said sum of $189,892 plus the additional
sum of $61,714.90 which Lessee shall deposit with Lessor upon the execution and
delivery of this Lease, for a total Security Deposit of $251,606.90 as security
for Lessee's faithful performance of Lessee's obligations under this Lease.

                (b)  As condition to Lessor's consent to an assignment or
subletting pursuant to the Assignment and Subletting provision set forth in
Paragraph 12, Lessee shall increase the Security Deposit to an amount equal to
four (4) months of the then prevailing monthly Base Rent except as otherwise
provided in Paragraph 12(g). (See also Paragraph 5)


        1.8     AGREED USE: office, administration, software development and
other uses permitted by the zoning ordinances of the city of Mountain View which
are reasonably related thereto. (See also Paragraph 6)

        1.9     INSURING PARTY: Lessor is the "INSURING PARTY". (See also
Paragraph 8)

        1.10    REAL ESTATE BROKERS: (See also Paragraph 15)

                (a) REPRESENTATION: The following real estate brokers
(collectively, the "BROKERS") and brokerage relationships exist in this
transaction (check applicable boxes):

[ ] _________________________ represents Lessor exclusively ("LESSOR'S BROKER");

[ ] ______________________ represents Lessee exclusively ("LESSEE'S BROKER"); or

[ ] _________________________ represents both Lessor and Lessee ("DUAL AGENCY").

                (b) PAYMENT TO BROKERS: Upon execution and delivery of this
Lease by both Parties, Lessor shall pay to the Broker the fee agreed to in their
separate written agreement (or if there is no such agreement, the sum of N/A%
of the total Base Rent for the brokerage services rendered by said Broker).

        1.11    GUARANTOR. The obligations of the Lessee under this Lease are to
be guaranteed by   Not Applicable  ("GUARANTOR"). (See also Paragraph 37).

        1.12    ADDENDA AND EXHIBITS. Attached hereto are Exhibits "A" and "B",
all of which constitute a part of this Lease.

2.      PREMISES.

        2.1     LETTING. Lessor hereby leases to Lessee, and Lessee hereby
leases from Lessor, the Premises, for the term, at the rental, and upon all of
the terms, covenants and conditions set forth in this Lease. Unless otherwise
provided herein, any statement of size set forth in this Lease, or that may have
been used in calculating rental, is an approximation which the Parties agree is
reasonable and the rental based thereon is not subject to revision whether or
not the actual size is more or less.

        2.2     CONDITION.

                (a)  Lessee is currently occupying the Premises under a Lease
between Lessor and Lessee which expires on April 30, 2000.

                (b)  Lessor will provide a tenant improvement allowance of up to
$250,000 (the "Tenant Improvement Allowance") for upgrades to the Premises to be
performed prior to or promptly following the Commencement Date pursuant to
plans, specifications, and cost estimates prepared by Lessee's architect, at
Lessee's expense. Said plans, specifications, and cost estimates shall be
subject to review and approval by Lessor and by an architect designated by
Lessor, as a tenant improvement project cost. The upgrade work shall be
performed by one or more licensed contractor(s) approved by Lessor pursuant to
construction contract(s) approved by Lessor. Lessor's Tenant Improvement
Allowance shall be disbursed for payment of current improvement costs incurred
prior to or promptly following commencement of this Lease term, after approval
by the parties of final plans and specifications and costs and the execution or
construction contract(s) for the work. Lessor's Tenant Improvement Allowance
shall be paid in

                                  Page 2 of 23
<PAGE>   3
monthly installments pursuant to the construction contract(s) as the upgrade
work is performed or upon completion of the upgrade work as provided in the
construction contract(s).  The structural repair to the wall panel in which an
exterior entrance was installed by a tenant shall be performed promptly
following the Commencement Date.  The cost thereof shall be charged to Lessor's
Tenant Improvement Allowance.

                (c)  The cost of all approved tenant improvement work in excess
of Lessor's Tenant Improvement Allowance (including, but not limited to, the
cost of any alterations to the Premises required in order to comply with the
Americans With Disabilities Act ("ADA") which exceeds the Tenant Improvement
Allowance), and any additional approved tenant improvement work which Lessee
elects to perform, shall be performed at Lessee's expense. Any unspent portion
of the Tenant Improvement Allowance will be retained by Lessor.

                (d)  Except for the tenant improvement work referred to in
Paragraph 2.2(b) and (c) above, Lessee shall accept the Premises in their "as
is" condition as of the Commencement Date.

        2.3     COMPLIANCE.

                (a)  Costs relating to capital expenditures necessitated by
Lessee's specific use of the Premises shall be paid by Lessee. Costs relating to
other capital expenditures, other than those referred to in Paragraphs 7.1(a)
and 7.2, such as costs incurred to comply with non-voluntary, new governmentally
mandated seismic structural modifications) shall initially be paid by Lessor,
and Lessee shall pay to Lessor each month during the remainder of the term of
this Lease, on the date on which Base Rent is due, an amount equal to the
product of multiplying the cost of such item by a fraction, the numerator of
which is one and the denominator of which is the number of months of the useful
life of such item as such useful life is specified pursuant to Federal income
tax regulations or guidelines for depreciation thereof (including interest on
the unamortized balance as is then commercially reasonable in the judgment of
Lessor's accountants).




                                     Page 3 of 23

<PAGE>   4

               (b) Notwithstanding the above, the provisions concerning Capital
Expenditures are intended to apply only to non-voluntary, unexpected, and new
Applicable Requirements. If the Capital Expenditures are instead triggered by
Lessee as a result of an actual or proposed change in use, change in intensity
of use, or modification to the Premises then, and in that event, Lessee shall be
fully responsible for the cost thereof.

        2.4     ACKNOWLEDGEMENTS. Lessee acknowledges that: (a) it has been
advised by Lessor and/or Brokers to satisfy itself with respect to the condition
of the Premises (including but not limited to the electrical, HVAC and fire
sprinkler systems, security, environmental aspects, and compliance with
Applicable Requirements), and their suitability for Lessee's intended use; (b)
Lessee has made such investigation as it deems necessary with reference to such
matters and assumes all responsibility therefor as the same relate to its
occupancy of the Premises; and (c) neither Lessor, Lessor's agents, nor any
Broker has made any oral or written representations or warranties with respect
to said matters other than as set forth in this Lease.

3.      TERM.

        3.1     TERM. The Commencement Date, Expiration Date and Original Term
of this Lease are as specified in Paragraph 1.3.


        3.4     LESSEE COMPLIANCE. Lessor shall not be required to tender
possession of the Premises to Lessee until Lessee complies with its obligation
to provide evidence of insurance (Paragraph 8.5). Pending delivery of such
evidence, Lessee shall be required to perform all of its obligations under this
Lease from and after the Start Date, including the payment of Rent,
notwithstanding Lessor's election to withhold possession pending receipt of such
evidence of insurance. Further, if Lessee is required to perform any other
conditions prior to or concurrent with the Start Date, the Start Date shall
occur but Lessor may elect to withhold possession until such conditions are
satisfied.

4.      RENT.

        4.1.    RENT DEFINED. All monetary obligations of Lessee to Lessor under
the terms of this Lease (except for the Security Deposit) are deemed to be rent
("RENT").

        4.2     PAYMENT. Lessee shall cause payment of Rent to be received by
Lessor in lawful money of the United States, without offset or deduction (except
as specifically permitted in this Lease), on or before the day on which it is
due. Rent for any period during the term hereof which is for less than one (1)
full calendar month shall be prorated based upon the actual number of days of
said month. Payment of Rent shall be made to Lessor at its address stated herein
or to such other persons or place as Lessor may from time to time designate in
writing. Acceptance of a payment which is less than the amount then due shall
not be a waiver of Lessor's rights to the balance of such Rent, regardless of
Lessor's endorsement of any check so stating.

5.      SECURITY DEPOSIT. Lessee shall deposit with Lessor upon execution hereof
the Security Deposit as security for Lessee's faithful performance of its
obligations under this Lease. If Lessee fails to pay Rent, or otherwise Defaults
under this Lease, and Lessee fails to cure such Default following written
notice to Lessee and prior to the expiration of any applicable grace period.


                                  Page 4 of 23
<PAGE>   5
provided for in this Lease, Lessor may use, apply or retain all or any portion
of said Security Deposit for the payment of any amount due Lessor or to
reimburse or compensate Lessor for any liability, expense, loss or damage which
Lessor may suffer or incur by reason thereof. If Lessor uses or applies all or
any portion of said Security Deposit, Lessee shall within ten (10) days after
written request therefor deposit monies with Lessor sufficient to restore said
Security Deposit to the full amount required by this Lease. Lessor shall not be
required to keep the Security Deposit separate from its general accounts. Within
fourteen (14) days after the expiration or termination of this Lease, if Lessor
elects to apply the Security Deposit only to unpaid Rent, and otherwise within
thirty (30) days after the Premises have been vacated pursuant to Paragraph
7.4(c) below, Lessor shall return that portion of the Security Deposit not used
or applied by Lessor. No part of the Security Deposit shall be considered to be
held in trust, to bear interest or to be prepayment for any monies to be paid by
Lessee under this Lease.

6.      USE.

        6.1     USE. Lessee shall use and occupy the Premises only for the
Agreed Use, or any other legal use which is reasonably comparable thereto, and
for no other purpose. Lessee shall not use or permit the use of the Premises in
a manner that is unlawful, creates damage, waste or a nuisance, or that disturbs
owners and/or occupants of, or causes damage to neighboring properties. Lessor
shall not unreasonably withhold or delay its consent to any written request for
a modification of the Agreed Use, so long as the same will not impair the
structural integrity of the improvements on the Premises or the mechanical or
electrical systems therein, is not significantly more burdensome to the
Premises. If Lessor elects to withhold consent, Lessor shall within five (5)
business days after such request give written notification of same, which notice
shall include an explanation of Lessor's objections to the change in use.

        6.2     HAZARDOUS SUBSTANCES.

                (a) REPORTABLE USES REQUIRE CONSENT. The term "HAZARDOUS
SUBSTANCE" as used in this Lease shall mean any product, substance, or waste
whose presence, use, manufacture, disposal, transportation, or release, either
by itself or in combination with other materials expected to be on the Premises,
is either: (i) potentially injurious to the public health, safety or welfare,
the environment or the Premises, (ii) regulated or monitored by any governmental
authority, or (iii) a basis for potential liability of Lessor to any
governmental agency or third party under any applicable statute or common law
theory. Hazardous Substances shall include, but not be limited to, hydrocarbons,
petroleum, gasoline, and/or crude oil or any products, by-products or fractions
thereof. Lessee shall not engage in any activity in or on the Premises which
constitutes a Reportable Use of Hazardous Substances without the express prior
written consent of Lessor and timely compliance (at Lessee's expense) with all
Applicable Requirements. "Reportable Use" shall mean (i) the installation or use
of any above or below ground storage tank, (ii) the generation, possession,
storage, use, transportation, or disposal of a Hazardous Substance that requires
a permit from, or with respect to which a report, notice, registration or
business plan is required to be filed with, any governmental authority, and/or
(iii) the presence at the Premises of a Hazardous Substance with respect to
which any Applicable Requirements requires that a notice be given to persons
entering or occupying the Premises or neighboring properties. Notwithstanding
the foregoing, Lessee may use any ordinary and customary materials reasonably
required to be used in the normal course of the Agreed Use, so long as such use
is in compliance with all Applicable Requirements, is not a Reportable Use, and
does not expose the Premises or neighboring property to any meaningful risk of
contamination or damage or expose Lessor to any liability therefor. In addition,
Lessor may condition its consent to any Reportable Use upon receiving such
additional assurances as Lessor reasonably deems necessary to protect itself,
the public, the Premises and/or the environment against damage, contamination,
injury and/or liability, including, but not limited to, the installation (and
removal on or before Lease expiration or termination) of protective
modifications (such as concrete encasements) and/or increasing the Security
Deposit.

               (b) DUTY TO INFORM. If either Lessor or Lessee knows, or has
reasonable cause to believe, that a Hazardous Substance has come to be located
in, on, under or about the Premises, other than as previously consented to by
Lessor, such party shall immediately give written notice of such fact to the
other party, and provide the other party with a copy of any report, notice,
claim or other documentation which it has concerning the presence of such
Hazardous Substance.

               (c) LESSEE REMEDIATION. Lessee shall not cause or permit any
Hazardous Substance to be spilled or released in, on, under, or about the
Premises (including through the plumbing or sanitary sewer system) and shall
promptly, at Lessee's expense, take all investigatory and/or remedial action
reasonably recommended, whether or not formally ordered or required, for the
cleanup of any contamination of, and for the maintenance, security and/or
monitoring of the Premises or neighboring properties, that was caused or
materially contributed to by Lessee, or pertaining to or involving any Hazardous
Substance brought onto the Premises during the term of this Lease, by or for
Lessee, or any third party.

               (d) LESSEE INDEMNIFICATION. Lessee shall indemnify, defend and
hold Lessor, its agents, employees, lenders and ground lessor, if any, harmless
from and against any and all loss of rents and/or damages, liabilities,
judgments, claims, expenses, penalties, and attorneys' and consultants' fees
arising out of or involving any Hazardous Substance brought onto the Premises by
or for Lessee, or any third party (provided, however, that Lessee shall have no
liability under this Lease with respect to underground migration of any
Hazardous Substance under the Premises from adjacent properties). Lessee's
obligations shall include, but not be limited to, the effects of any
contamination or injury to person, property or the environment created or
suffered by Lessee, and the cost of investigation, removal, remediation,
restoration and/or abatement, and shall survive the expiration or termination of
this Lease. NO TERMINATION, CANCELLATION OR RELEASE AGREEMENT ENTERED INTO BY
LESSOR AND LESSEE SHALL RELEASE LESSEE FROM ITS OBLIGATIONS UNDER THIS LEASE
WITH RESPECT TO HAZARDOUS SUBSTANCES, UNLESS SPECIFICALLY SO AGREED BY LESSOR IN
WRITING AT THE TIME OF SUCH AGREEMENT.

               (e) LESSOR INDEMNIFICATION. Lessor and its successors and assigns
shall indemnify, defend, reimburse and hold Lessee, its employees and lenders,
harmless from and against any and all environmental damages, including the cost
of remediation, which existed as a result of Hazardous Substances on the
Premises prior to the Start Date or which are caused by the gross negligence or
willful misconduct of Lessor, its agents or employees. Lessor's obligations, as
and when required by the Applicable Requirements, shall include, but not be
limited to, the cost of investigation, removal, remediation, restoration and/or
abatement, and shall survive the expiration or termination of this Lease.

                                  Page 5 of 23
<PAGE>   6
               (f) INVESTIGATIONS AND REMEDIATIONS. Lessor shall retain the
responsibility and pay for any investigations or remediation measures required
by governmental entities having jurisdiction with respect to the existence of
Hazardous Substances on the Premises prior to the occupancy of the Premises by
Lessee under the Sublease between Quickturn Design Systems, Inc. and Lessee,
unless such remediation measure is required as a result of Lessee's use
(including "Alterations", as defined in Paragraph 7.3(a) below) of the Premises,
in which event Lessee shall be responsible for such payment. Lessee shall
cooperate fully in any such activities at the request of Lessor, including
allowing Lessor and Lessor's agents to have reasonable access to the Premises at
reasonable times after reasonable prior notice to Lessee (except that prior
notice shall not be required in case of emergency) in order to carry out
Lessor's investigative and remedial responsibilities. At Lessee's election,
Lessor and Lessor's agents shall be accompanied by a representative of Lessee.

               (g) LESSOR TERMINATION OPTION. If a Hazardous Substance Condition
occurs during the term of this Lease, unless Lessee is legally responsible
therefor (in which case Lessee shall make the investigation and remediation
thereof required by the Applicable Requirements and this Lease shall continue in
full force and effect, but subject to Lessor's rights under Paragraph 6.2(d) and
Paragraph 13), Lessor may, at Lessor's option, either (i) investigate and
remediate such Hazardous Substance Condition, if required, as soon as reasonably
possible at Lessor's expense, in which event this Lease shall continue in full
force and effect, or (ii) if the estimated cost to remediate such condition
exceeds twelve (12) times the then monthly Base Rent or $100,000, whichever is
greater, give written notice to Lessee, within thirty (30) days after receipt by
Lessor of knowledge of the occurrence of such Hazardous Substance Condition, of
Lessor's desire to terminate this Lease as of the date sixty (60) days following
the date of such notice. In the event Lessor elects to give a termination
notice, Lessee may, within ten (10) days thereafter, give written notice to
Lessor of Lessee's commitment to pay the amount by which the cost of the
remediation of such Hazardous Substance Condition exceeds an amount equal to
twelve (12) times the then monthly Base Rent or $100,000, whichever is greater.
Lessee shall provide Lessor with said funds or satisfactory assurance thereof
within thirty (30) days following such commitment. In such event, this Lease
shall continue in full force and effect, and Lessor shall proceed to make such
remediation as soon as reasonably possible after the required funds are
available. If Lessee does not give such notice and provide the required funds or
assurance thereof within the time provided, this Lease shall terminate as of the
date specified in Lessor's notice of termination.

        6.3     LESSEE'S COMPLIANCE WITH APPLICABLE REQUIREMENTS. Except as
otherwise provided in this Lease, Lessee shall, at Lessee's sole expense, fully,
diligently and in a timely manner, materially comply with all Applicable
Requirements, the requirements of any applicable fire insurance underwriter or
rating bureau, and the recommendations of Lessor's engineers and/or consultants
which relate in any manner to the Premises, without regard to whether said
requirements are now in effect or become effective after the Start Date. Lessee
shall, within ten (10) days after receipt of Lessor's written request, provide
Lessor with copies of all permits and other documents, and other information
evidencing Lessee's compliance with any Applicable Requirements specified by
Lessor, and shall immediately upon receipt, notify Lessor in writing (with
copies of any documents involved) of any threatened or actual claim, notice,
citation, warning, complaint or report pertaining to or involving the failure of
Lessee or the Premises to comply with any Applicable Requirements.

        6.4     INSPECTION; COMPLIANCE. Lessor and Lessor's "Lender" (as defined
in Paragraph 30 below) and consultants shall have the right to enter into
Premises at any time, in the case of an emergency, and otherwise at reasonable
times, for the purpose of inspecting the condition of the Premises and for
verifying compliance by Lessee with this Lease. The cost of any such inspections
shall be paid by Lessor, unless a violation of Applicable Requirements, or a
contamination is found to exist or be imminent, or the inspection is requested
or ordered by a governmental authority. In such case, Lessee shall upon request
reimburse Lessor for the cost of such inspections, so long as such inspection is
reasonably related to the violation or contamination.

        6.5    HAZARDOUS SUBSTANCES MANAGEMENT PLAN. Lessee represents, warrants
and covenants with Lessor that Lessee will not conduct any manufacturing or
development processes on the Premises in which Hazardous Substances are used.
Except for ordinary and customary materials reasonably required to be used in
the normal course of the Agreed Use and except as set forth on Exhibit "B"
attached to this Lease and incorporated herein by reference, Lessee shall not
bring onto the Premises any Hazardous Substances. Lessee represents and warrants
to Lessor that under applicable laws and ordinances Lessee's present use of the
Premises does not require Lessee to prepare a Hazardous Substances Management
Plan. If Lessee is required to prepare a Hazardous Substances Management Plan at
any time during the term of this Lease, Lessee shall promptly deliver to Lessor
Lessee's current Hazardous Substances  Management Plan as created or
replacements thereof, from time to time during the term of this Lease, and
copies of all Hazardous Substances reports or plans filed by Lessee with the
City of Mountain View or with any other governmental agency, even though
Lessee's Hazardous Substances  Management Plan and any such reports or plans
filed with the City, or any other governmental agency, show

                                  Page 6 of 23
<PAGE>   7
that Lessee is not currently using any reportable Hazardous Substances on the
Premises.

7.      MAINTENANCE; REPAIRS, UTILITY INSTALLATIONS; TRADE FIXTURES AND
        ALTERATIONS.

        7.1    LESSEE'S OBLIGATIONS.

               (a) IN GENERAL. Subject to the provisions of Paragraph 2.2
(Condition), 2.3 (Compliance), 6.3 (Lessee's Compliance with Applicable
Requirements), 7.2 (Lessor's Obligations), 9 (Damage or Destruction), and 14
(Condemnation), Lessee shall, at Lessee's sole expense, perform or cause to be
performed all repairs, maintenance, and replacements to the Premises, as and
where needed, in order to keep the Premises, Utility Installations, and
Alterations in good order, condition and repair (whether or not the portion of
the Premises requiring repairs, or the means of repairing the same, are
reasonably or readily accessible to Lessee, and whether or not the need for such
repairs, maintenance, or replacements occurs as a result of Lessee's use, any
prior use, the elements or the age of such portion of the Premises), including,
but not limited to, all equipment or facilities, such as plumbing, heating,
ventilating, air-conditioning, electrical, lighting facilities, boilers,
pressure vessels, fire protection system, fixtures, walls (interior and
exterior), ceilings, roof membrane, floors, windows, doors, plate glass,
skylights, landscaping, driveways, parking lots, fences, retaining walls, signs,
sidewalks and parkways located in, on, or adjacent to the Premises. Lessee, in
keeping the Premises in good order, condition and repair, shall exercise and
perform good maintenance practices, specifically including the procurement and
maintenance of the service contracts required by Paragraph 7.1(b) below.
Lessee's obligations shall include restorations, replacements or renewals when
necessary to keep the Premises and all improvements thereon or a part thereof in
good order, condition and state of repair. Lessee shall, during the term of this
Lease, keep the exterior appearance of the Building in a first-class condition
consistent with the exterior appearance of other similar facilities of
comparable age and size in the vicinity, including, when necessary, the exterior
repainting of the Building.

               (b) SERVICE CONTRACTS. Lessee shall, at Lessee's sole expense,
procure and maintain contracts, with copies to Lessor, in customary form and
substance for, and with contractors specializing and experienced in the
maintenance of the following equipment and improvements, if any, if and when
installed on the Premises: (i) HVAC equipment, (ii) boiler, and pressure
vessels, (iii) fire extinguishing systems, including fire alarm and/or smoke
detection, (iv) landscaping and irrigation systems, (v) roof covering and
drains, (vi) driveways and parking lots, (vii) clarifiers (viii) basic utility
feed to the perimeter of the Building, and (ix) any other equipment, if
reasonably required by Lessor.

               (c) AUDIT. Lessee or Lessee's accountants shall have the right
once each calendar year to inspect and audit Lessor's books and records relating
to any operating expenses, Taxes and insurance premiums for the Premises
incurred by Lessor for which Lessor has a right of reimbursement from Lessee
pursuant to this Lease. Unless Lessee raises any objections to any charges by
Lessor within ninety (90) days after the close of any calendar year, Lessee
shall have no right thereafter to dispute any charges for such calendar year.

               (d) MANAGEMENT FEE. Lessee shall pay to Lessor, together with
monthly Base Rent, a management fee for the operation and management of the
Premises as additional rent in an amount equal to three percent (3%) of the
monthly Base Rent payable from time to time pursuant to Paragraph 15.

        7.2     LESSOR'S OBLIGATIONS. Except as provided in Paragraph 2.3
(Compliance), Paragraph 7.1(a) (Lessee's Obligations), Paragraph 9 (Damage or
Destruction) and Paragraph 14 (Condemnation), Lessor shall be responsible for
the maintenance, repair, and replacement, when necessary, of the structural
elements of the roof (excluding the roof membrane) and the structural elements
of the foundation and exterior walls (except the interior faces thereof, unless
the need for the repair of the interior faces results from an exterior wall
structural condition), as "structural elements" are

                                  Page 7 of 23
<PAGE>   8
defined in building codes applicable to the Building, but excluding the
maintenance, repair, or replacement of any alterations, structural or otherwise,
made by Lessee to the Premises which are not approved in writing by Lessor prior
to the construction thereof. Subject to the foregoing, it is intended by the
Parties hereto that Lessor have no obligation, in any manner whatsoever, to
repair and maintain the Premises, or the equipment therein, all of which
obligations are intended to be that of the Lessee. It is the intention of the
Parties that the terms of this Lease govern the respective obligations of the
Parties as to maintenance and repair of the Premises, and they expressly waive
the benefit of any statute now or hereafter in effect to the extent it is
inconsistent with the terms of this Lease.

        7.3     UTILITY INSTALLATIONS; TRADE FIXTURES; ALTERATIONS.

               (a) DEFINITIONS; CONSENT REQUIRED. The term "UTILITY
INSTALLATIONS" refers to all floor and window coverings, air lines, power
panels, electrical distribution, security and fire protection systems,
communication systems, lighting fixtures, HVAC equipment, plumbing, and fencing
in or on the Premises. The term "TRADE FIXTURES" shall mean Lessee's machinery
and equipment that can be removed without doing material damage to the Premises.
The term "ALTERATIONS" shall mean any modification of the improvements, other
than Utility Installations or Trade Fixtures, whether by addition or deletion.
"LESSEE OWNED ALTERATIONS AND/OR UTILITY INSTALLATIONS" are defined as
Alterations and/or Utility Installations made by Lessee that are not yet owned
by Lessor pursuant to Paragraph 7.4(a). Lessee shall not make any Alterations or
Utility Installations to the Premises without Lessor's prior written consent.
Lessee may, however, make non-structural Utility Installations to the interior
of the Premises (excluding the roof) without such consent but upon notice to
Lessor, as long as they are not visible from the outside, do not involve
puncturing, relocating or removing the roof or any existing walls, and the
cumulative cost thereof during this Lease as extended does not exceed $50,000 in
the aggregate or $10,000 in any one year.

               (b) CONSENT. Any Alterations or Utility Installations that Lessee
shall desire to make and which require the consent of the Lessor shall be
presented to Lessor in written form with detailed plans. Consent shall be deemed
conditioned upon Lessee's: (i) acquiring all applicable governmental permits,
(ii) furnishing Lessor with copies of both the permits and the plans and
specifications prior to commencement of the work, and (iii) compliance with all
conditions of said permits and other Applicable Requirements in a prompt and
expeditious manner. Any Alterations or Utility Installations shall be performed
in a workmanlike manner with good and sufficient materials. Lessee shall
promptly upon completion furnish Lessor with as-built plans and specifications.
For work which costs an amount equal to the greater of one month's Base Rent, or
$10,000, Lessor may condition its consent upon Lessee providing a lien and
completion bond in an amount equal to one and one-half times the estimated cost
of such Alteration or Utility Installation and/or upon Lessee's posting an
additional Security Deposit with Lessor. Lessor may also condition Lessor's
consent to any Alterations or Utility Installations by Lessee upon the
requirement that such Alterations or Utility Installations shall be removed by
Lessee, at Lessee's expense by the expiration or termination of this Lease.

               (c) INDEMNIFICATION. Lessee shall pay, when due, all claims for
labor or materials furnished or alleged to have been furnished to or for Lessee
at or for use on the Premises, which claims are or may be secured by any
mechanic's or materialmen's lien against the Premises or any interest therein.
Lessee shall give Lessor not less than ten (10) days' notice prior to the
commencement of any work in, on or about the Premises, and Lessor shall have the
right to post notices of non-responsibility. If Lessee shall contest the
validity of any such lien, claim or demand, then Lessee shall, at its sole
expense defend and protect itself, Lessor and the Premises against the same and
shall pay and satisfy any such adverse judgment that may be rendered thereon
before the enforcement thereof. If Lessor shall require, Lessee shall furnish a
surety bond in an amount equal to one and one-half times the amount of such
contested lien, claim or demand, indemnifying Lessor against liability for the
same. If Lessor elects to participate in any such action, Lessee shall pay
Lessor's attorneys' fees and costs.

        7.4     OWNERSHIP; REMOVAL; SURRENDER; AND RESTORATION.

               (a) OWNERSHIP. Subject to Lessor's right to require removal or
elect ownership as hereinafter provided, all Alterations and Utility
Installations made by Lessee shall be the property of Lessee, but considered a
part of the Premises. Lessor may, at any time, elect in writing to be the owner
of all or any specified part of the Lessee Owned Alterations and Utility
Installations. Unless otherwise instructed per Paragraph 7.4(b) hereof, all
Lessee Owned Alterations and Utility Installations shall, at the expiration or
termination of this Lease, become the property of Lessor and be surrendered by
Lessee with the Premises.

               (b) REMOVAL. Provided that Lessor conditioned Lessor's consent to
the Alterations or Utility Installations upon the requirement that Lessee shall
remove the same and Lessee's expense by the expiration or termination of this
Lease pursuant to Paragraph 7.3(b) Lessee shall remove at Lessee's expense all
Lessee Owned Alterations or Utility Installations by the expiration or
termination of this Lease. Lessor may require the removal at any time of all or
any part of any Lessee Owned Alterations or Utility Installations made without
the required consent.

               (c) SURRENDER/RESTORATION. Lessee shall surrender the Premises by
the Expiration Date or any earlier termination date, with all of the
improvements, parts and surfaces thereof broom clean and free of debris, and in
good operating order, condition and state of repair, ordinary wear and tear
excepted. "Ordinary wear and tear" shall not include any damage or deterioration
that would have been prevented by good maintenance practice. Lessee shall repair
any damage occasioned by the installation, maintenance or removal of Trade
Fixtures, Lessee Owned Alterations and/or Utility Installations, furnishings,
and equipment as well as the removal of any storage tank installed by or for
Lessee, and the removal, replacement, or remediation of any soil, material or
groundwater contaminated by Lessee. Trade Fixtures shall remain the property of
Lessee and shall be removed by Lessee. The failure by Lessee to timely vacate
the Premises pursuant to this Paragraph 7.4(c) without the express written
consent of Lessor shall constitute a holdover under the provisions of Paragraph
26 below.


8.      INSURANCE; INDEMNITY.



                                  Page 8 of 23


<PAGE>   9
        8.1     PAYMENT FOR INSURANCE. Lessee shall pay for all insurance
required under Paragraph 8 except to the extent of the cost attributable to
liability insurance carried by Lessor under Paragraph 8.2(b) in excess of
$5,000,000 per occurrence. Premiums for policy periods commencing prior to or
extending beyond the Lease term shall be prorated to correspond to the Lease
term. Payment shall be made by Lessee to Lessor within ten (10) days following
receipt of an invoice.

        8.2     LIABILITY INSURANCE.

                (a) CARRIED BY LESSEE. Lessee shall obtain and keep in force a
Commercial General Liability Policy of Insurance protecting Lessee and Lessor
against claims for bodily injury, personal injury and property damage based upon
or arising out of the ownership, use, occupancy or maintenance of the Premises
and all areas appurtenant thereto. Such insurance shall be on an occurrence
basis providing single limit coverage in an amount not less than $3,000,000 per
occurrence with an "ADDITIONAL INSURED -- MANAGERS OR LESSORS OF PREMISES
ENDORSEMENT" and contain the "AMENDMENT OF THE POLLUTION EXCLUSION ENDORSEMENT"
for damage caused by heat, smoke or fumes from a hostile fire. The Policy shall
not contain any intra-insured exclusions as between insured persons or
organizations, but shall include coverage for liability assumed under this Lease
as an "insured contract" for the performance of Lessee's indemnity obligations
under this Lease. The limits of said insurance shall not, however, limit the
liability of Lessee nor relieve Lessee of any obligation hereunder. All
insurance carried by Lessee shall be primary to and not contributory with any
similar Insurance carried by Lessor, whose insurance shall be considered excess
insurance only. Concurrently with the execution and delivery of this Lease, and
annually within thirty (30) days after each renewal date throughout the term of
this Lease, Lessee shall deliver to Lessor evidence of Lessee's insurance
coverages in accordance with the foregoing.

                (b) CARRIED BY LESSOR. Lessor shall maintain liability insurance
as described in Paragraph 8.2(a), in addition to, and not in lieu of, the
insurance required to be maintained by Lessee. Lessee shall not be named as an
additional insured therein.

        8.3     PROPERTY INSURANCE -- BUILDING, IMPROVEMENTS AND RENTAL VALUE.

                (a) BUILDING AND IMPROVEMENTS. The Insuring Party shall obtain
and keep in force a policy or policies in the name of Lessor, with loss payable
to Lessor, any groundlessor, and to any Lender(s) insuring loss or damage to the
Premises. The amount of such insurance shall be equal to the full replacement
cost of the Premises, as the same shall exist from time to time, or the amount
required by any Lenders, but in no event more than the commercially reasonable
and available insurable value thereof. If Lessor is the Insuring Party, however,
Lessee Owned Alterations and Utility Installations, Trade Fixtures, and Lessee's
personal property shall be insured by Lessee under Paragraph 8.4 rather than by
Lessor. Such policy or policies shall insure against all risks of direct
physical loss or damage as contemplated under the "special perils" policy form
(except the perils of flood and/or earthquake unless required by a Lender),
including coverage for debris removal and the enforcement of any Applicable
Requirements requiring the upgrading demolition, reconstruction or replacement
of any portion of the Premises as a result of a covered loss. Said policy or
policies shall also contain an agreed valuation provision in lieu of any
coinsurance clause, waiver of subrogation, and inflation guard protection
causing an increase in the annual property insurance coverage amount by a factor
of not less than the adjusted U.S. Department of Labor Consumer Price Index for
All Urban Consumers for the city nearest to where the Premises are located. If
such insurance coverage has a deductible clause, the deductible amount shall not
exceed $1,000 per occurrence, and Lessee shall be liable for such deductible
amount in the event of an Insured Loss.

                (b) RENTAL VALUE. The Insuring Party shall obtain and keep in
force a policy or policies in the name of Lessor with loss payable to Lessor and
any Lender, insuring the loss of the full Rent for one (1) year. Said insurance
shall provide that in the event the Lease is terminated by reason of an insured
loss, the period of indemnity for such coverage shall be extended beyond the
date of the completion of repairs or replacement of the Premises, to provide for
one full year's loss of Rent from the date of any such loss. Said insurance
shall contain an agreed valuation provision in lieu of any coinsurance clause,
and the amount of coverage shall be adjusted annually to reflect the projected
Rent otherwise payable by Lessee, for the next twelve (12) month period. Lessee
shall be liable for any deductible amount in the event of such loss.

                (c) ADJACENT PREMISES. If the Premises are part of a larger
building, or of a group of buildings owned by Lessor which are adjacent to the
Premises, the Lessee shall pay for any increase in the premiums for the property
insurance of such building or buildings if said increase is caused by Lessee's
acts, omissions, use or occupancy of the Premises.

        8.4     LESSEE'S PROPERTY/BUSINESS INTERRUPTION INSURANCE.

                (a) PROPERTY DAMAGE. Lessee shall obtain and maintain insurance
coverage on all of Lessee's personal property, Trade Fixtures, and Lessee Owned
Alterations and Utility Installations. Such insurance shall be full replacement
cost coverage with a deductible of not to exceed $1,000 per occurrence. The
proceeds from any such insurance shall be used by Lessee for the replacement of
personal property, Trade Fixtures and Lessee Owned Alterations and Utility
Installations. Lessee shall provide Lessor with written evidence that such
insurance is in force.


                (b) NO REPRESENTATION OF ADEQUATE COVERAGE. Lessor makes no
representation that the limits or forms of coverage of insurance




                                  Page 9 of 23
<PAGE>   10
specified herein are adequate to cover Lessee's property, business operations or
obligations under this Lease.

        8.5     INSURANCE POLICIES. Insurance required herein shall be by
companies duly licensed or admitted to transact business in the state where the
Premises are located, and maintaining during the policy term a "General
Policyholders Rating" of at least B+, V, as set forth in the most current issue
of "Best's Insurance Guide", or such other rating as may be required by a
Lender. Lessee shall not do or permit to be done anything which invalidates the
required insurance policies. Lessee shall, prior to the Start Date, deliver to
Lessor certified copies of policies of such insurance or certificates evidencing
the existence and amounts of the required insurance. No such policy shall be
cancelable or subject to modification except after thirty (30) days prior
written notice to Lessor. Lessee shall, at least thirty (30) days prior to the
expiration of such policies, furnish Lessor with evidence of renewals or
"insurance binders" evidencing renewal thereof, or Lessor may order such
insurance and charge the cost thereof to Lessee, which amount shall be payable
by Lessee to Lessor upon demand. Such policies shall be for a term of at least
one year, or the length of the remaining term of this Lease, whichever is less.
If either Party shall fail to procure and maintain the insurance required to be
carried by it, the other Party may, but shall not be required to, procure and
maintain the same.

        8.6     WAIVER OF SUBROGATION. Without affecting any other rights or
remedies, Lessee and Lessor each hereby release and relieve the other, and waive
their entire right to recover damages against the other, for loss of or damage
to its property arising out of or incident to the perils required to be insured
against herein. The effect of such releases and waivers is not limited by the
amount of insurance carried or required, or by any deductibles applicable
hereto.

        8.7     INDEMNITY. Except for Lessor's gross negligence or willful
misconduct (and except that Lessee's indemnification with respect to Hazardous
Substances shall be governed by Paragraph 6.2(d)). Lessee shall indemnify,
protect, defend and hold harmless the Premises, Lessor and its agents, Lessor's
master or ground lessor, partners and Lenders, from and against any and all
claims, loss of rents and/or damages, liens, judgments, penalties, attorneys'
and consultants' fees, expenses and/or liabilities arising out of, involving, or
in connection with, the use and/or occupancy of the Premises by Lessee. If any
action or proceeding is brought against Lessor by reason of any of the foregoing
matters, Lessee shall upon notice defend the same at Lessee's expense by counsel
reasonably satisfactory to Lessor and Lessor shall cooperate with Lessee in such
defense. Lessor need not have first paid any such claim in order to be defended
or indemnified.

        8.8     EXEMPTION OF LESSOR FROM LIABILITY. Lessor shall not be liable
for injury or damage to the person or goods, wares, merchandise or other
property of Lessee, Lessee's employees, contractors, invitees, customers, or any
other person in or about the Premises, whether such damage or injury is caused
by or results from fire, steam, electricity, gas, water or rain, or from the
breakage, leakage, obstruction or other defects of pipes, fire sprinklers,
wires, appliances, plumbing, HVAC or lighting fixtures, or from any other cause,
whether the said injury or damage results from conditions arising upon the
Premises or upon other portions of the Building of which the Premises are a
part, or from other sources or places. Lessor shall not be liable for any
damages arising from any act or neglect of any other tenant of Lessor.
Notwithstanding Lessor's negligence or breach of this Lease, Lessor shall under
no circumstances be liable for injury to Lessee's business or for any loss of
income or profit therefrom.

9.      DAMAGE OR DESTRUCTION.

        9.1     DEFINITIONS.

                (a) "PREMISES PARTIAL DAMAGE" shall mean damage or destruction
to the improvements on the Premises, other than Lessee Owned Alterations and
Utility Installations, which can reasonably be repaired in six (6) months or
less from the date of the damage or destruction. Lessor shall notify Lessee in
writing within thirty (30) days from the date of the damage or destruction as to
whether or not the damage is Partial or Total.

                (b) "PREMISES TOTAL DESTRUCTION" shall mean damage or
destruction to the Premises, other than Lessee Owned Alterations and Utility
Installations and Trade Fixtures, which cannot reasonably be repaired in six (6)
months or less from the date of the damage or destruction. Lessor shall notify
Lessee in writing within thirty (30) days from the date of the damage or
destruction as to whether or not the damage is Partial or Total.

                (c) "INSURED LOSS" shall mean damage or destruction to
improvements on the Premises, other than Lessee Owned Alterations and Utility
Installations and Trade Fixtures, which was caused by an event required to be
covered by the insurance described in Paragraph 8.3(a), irrespective of any
deductible amounts or coverage limits involved.

                (d) "REPLACEMENT COST" shall mean the cost to repair or rebuild
the improvements owned by Lessor at the time of the occurrence to their
condition existing immediately prior thereto, including demolition, debris
removal and upgrading required by the operation of Applicable Requirements, and
without deduction for depreciation.

                (e) "HAZARDOUS SUBSTANCE CONDITION" shall mean the occurrence or
discovery of a condition involving the presence of, or a contamination by, a
Hazardous Substance as defined in Paragraph 6.2(a), in, on, or under the
Premises.

        9.2     PARTIAL DAMAGE -- INSURED LOSS. If a Premises Partial Damage
that is an Insured Loss occurs, then Lessor shall, at Lessor's expense, repair
such damage (but not Lessee's Trade Fixtures or Lessee Owned Alterations and
Utility Installations) as soon as reasonably possible and this Lease shall
continue in full force and effect; provided, however, that Lessee shall, at
Lessor's election, make the repair of any damage or destruction the total cost
to repair of which is $10,000 or less, and, in such event, Lessor shall make any
applicable insurance proceeds available to Lessee on a reasonable basis for that
purpose. Notwithstanding the foregoing, if the required insurance was not in
force or the insurance proceeds are not sufficient to effect such repair, the
Insuring Party shall promptly contribute the shortage in proceeds (except as to
the deductible which is Lessee's responsibility) as and when required to
complete said repairs. In the event, however, such shortage was due to the fact
that, by reason of the unique nature of the improvements, full replacement cost
insurance coverage was not commercially reasonable and available, Lessor shall
have no obligation to pay for the shortage in insurance proceeds or to fully
restore the unique aspects of the Premises unless Lessee provides Lessor with
the funds to cover same, or adequate assurance thereof, within ten (10) days
following receipt of written notice of such shortage and request therefor. If
Lessor receives said funds or adequate assurance thereof within said ten (10)
day period, the party responsible for making the repairs shall complete them as
soon as reasonably possible and this Lease shall remain in full force and
effect. If such funds or assurance are not received, Lessor may nevertheless
elect by written notice to Lessee within ten (10) days thereafter to: (i) make
such restoration and repair as is commercially reasonable with Lessor paying any
shortage in proceeds, in which case this Lease shall remain in full force and
effect, or have this Lease terminate thirty (30) days thereafter. Lessee shall
not be entitled to reimbursement of any funds contributed by Lessee to repair
any such damage or destruction. Premises Partial Damage due to flood or
earthquake shall be subject to Paragraph 9.3, notwithstanding that there may be
some insurance coverage, but the net proceeds of any such insurance shall be
made available for the repairs if made by either Party.

        9.3     PARTIAL DAMAGE -- UNINSURED LOSS. If a Premises Partial Damage
that is not an Insured Loss occurs, unless caused by a negligent or willful act
of Lessee (in which event Lessee shall make the repairs at Lessee's expense),
Lessor may either: (i) repair such damage as soon as reasonably


                                 Page 10 of 23
<PAGE>   11
possible at Lessor's expense, in which event this Lease shall continue in full
force and effect, or (ii) terminate this Lease by giving written notice to
Lessee within thirty (30) days after receipt by Lessor of knowledge of the
occurrence of such damage. Such termination shall be effective sixty (60) days
following the date of such notice. In the event Lessor elects to terminate this
Lease, Lessee shall have the right within ten (10) days after receipt of the
termination notice to give written notice to Lessor of Lessee's commitment to
pay for the repair of such damage without reimbursement from Lessor. Lessee
shall provide Lessor with said funds or satisfactory assurance thereof within
thirty (30) days after making such commitment. In such event this Lease shall
continue in full force and effect, and Lessor shall proceed to make such repairs
as soon as reasonably possible after the required funds are available. If Lessee
does not make the required commitment, this Lease shall terminate as of the date
specified in the termination notice.

        9.4     TOTAL DESTRUCTION. Notwithstanding any other provision hereof,
if a Premises Total Destruction occurs, this Lease shall terminate sixty (60)
days following such Destruction. If the damage or destruction was caused by the
gross negligence or willful misconduct of Lessee, Lessor shall have the right to
recover Lessor's damages from Lessee, except as provided in Paragraph 8.6.

        9.5     DAMAGE NEAR END OF TERM. If at any time during the last six (6)
months of this Lease there is damage for which the cost to repair exceeds one
(1) month's Base Rent, whether or not an Insured Loss, Lessor may terminate this
Lease effective sixty (60) days following the date of occurrence of such damage
by giving a written termination notice to Lessee within thirty (30) days after
the date of occurrence of such damage. Notwithstanding the foregoing, if Lessee
at that time has an exercisable option to extend this Lease or to purchase the
Premises, then Lessee may preserve this Lease by, (a) exercising such option and
(b) providing Lessor with any shortage in insurance proceeds (or adequate
assurance thereof) needed to make the repairs on or before the earlier of (i)
the date which is ten days after Lessee's receipt of Lessor's written notice
purporting to terminate this Lease, or (ii) the day prior to the date upon which
such option expires. If Lessee duly exercises such option during such period and
provides Lessor with funds (or adequate assurance thereof) to cover any shortage
in insurance proceeds, Lessor shall, at Lessor's commercially reasonable
expense, repair such damage as soon as reasonably possible and this Lease shall
continue in full force and effect. If Lessee fails to exercise such option and
provide such funds or assurance during such period, then this Lease shall
terminate on the date specified in the termination notice and Lessee's option
shall be extinguished.

        9.6     ABATEMENT OF RENT; LESSEE'S REMEDIES.

                (a) ABATEMENT. In the event of Premises Partial Damage or
Premises Total Destruction or a Hazardous Substance Condition, the Rent payable
by Lessee for the period required for the repair, remediation or restoration of
such damage shall be abated in proportion to the degree to which Lessee's use of
the Premises is impaired, but not to exceed the proceeds received from the
Rental Value insurance. All other obligations of Lessee hereunder shall be
performed by Lessee, and Lessor shall have no liability for any such damage,
destruction, remediation, repair or restoration except as provided herein. The
Rent payable be Lessee shall also be abated, to the extent and upon the
conditions set forth in the first sentence of this Paragraph 9.6(a), if (i)
Lessee's use of the Premises is impaired due to off-premises interruption of
utilities services to the Premises, and (ii) Lessor's Rental Value insurance
coverage includes an endorsement which covers such risk, but Lessor shall not be
obligated to obtain such endorsement or to maintain such endorsement in effect.

                (b) REMEDIES. If Lessor shall be obligated to repair or restore
the Premises and does not commence, in a substantial and meaningful way, such
repair or restoration within ninety (90) days after such obligation shall
accrue, Lessee may, at any time prior to the commencement of such repair or
restoration, give written notice to Lessor and to any Lenders of which Lessee
has actual notice, of Lessee's election to terminate this Lease on a date not
less than sixty (60) days following the giving of such notice. If Lessee gives
such notice and such repair or restoration is not commenced within thirty (30)
days thereafter, this Lease shall terminate as of the date specified in said
notice. If the repair or restoration is commenced within said thirty (30) days,
this Lease shall continue in full force and effect. "COMMENCE" shall mean either
the unconditional authorization of the preparation of the required plans, or the
beginning of the actual work on the Premises, whichever first occurs.

        9.7     TERMINATION -- ADVANCE PAYMENTS. Upon termination of this Lease
pursuant to Paragraph 6.2(g) or Paragraph 9, an equitable adjustment shall be
made concerning advance Base Rent and any other advance payments made by Lessee
to Lessor. Lessor shall, in addition, return to Lessee so much of Lessee's
Security Deposit as has not been, or is not then required to be, used by Lessor.

        9.8     WAIVE STATUTES. Lessor and Lessee agree that the terms of this
Lease shall govern the effect of any damage to or destruction of the Premises
with respect to the termination of this Lease and hereby waive the provisions of
any present or future statute to the extent inconsistent herewith.

10.     REAL PROPERTY TAXES.

        10.1    DEFINITION OF "REAL PROPERTY TAXES." As used herein, the term
"REAL PROPERTY TAXES" shall include any form of assessment; real estate,
general, special, ordinary or extraordinary, or rental levy or tax (other than
inheritance, personal income or estate taxes); improvement bond; and/or license
fee imposed upon or levied against any legal or equitable interest of Lessor in
the Premises, Lessor's right to other income therefrom, and/or Lessor's business
of leasing, by any authority having the direct or indirect power to tax and
where the funds are generated with reference to the Building address and where
the proceeds so generated are to be applied by the city, county or other local
taxing authority of a jurisdiction within which the Premises are located. The
term "REAL PROPERTY TAXES" shall also include any tax, fee, levy, assessment or
charge, or any increase therein, imposed by reason of events occurring during
the term of this Lease, including but not limited to, a change in the ownership
of the Premises which occurs after April 30, 2002 Lessor agrees that Real
Property Taxes will not include increases in Real Property Taxes resulting from
a reassessment following a change of ownership prior to May 1, 2002.

        10.2

                (a) PAYMENT OF TAXES. Lessee shall pay the Real Property Taxes
applicable to the Premises during the term of this Lease. Subject to Paragraph
10.2(b), all such payments shall be made at least ten (10) days prior to any
delinquency date. Lessee shall promptly furnish Lessor with satisfactory
evidence that such taxes have been paid. If any such taxes shall cover any
period of time prior to or after the expiration or termination of this Lease,
Lessee's share of such taxes shall be prorated to cover only that portion of the
tax bill applicable to the period that this Lease is in effect, and Lessor




                                 Page 11 of 23


<PAGE>   12
shall reimburse Lessee for any overpayment. If Lessee shall fail to pay any
required Real Property Taxes, Lessor shall have the right to pay the same, and
Lessee shall reimburse Lessor therefor upon demand. With respect to any
assessment levied against the Premises which under the laws then in force may
be paid in installments, only the amount of such installments and statutory
interest applicable to the period of this Lease (with appropriate proration of
any partial year) shall be included in the definition of Real Property Taxes,
whether or not Lessor elects to pay such assessment in installments.

                (b) ADVANCE PAYMENT. In the event Lessee incurs a late charge on
any Rent payment, Lessor may, at Lessor's option, estimate the current Real
Property Taxes, and require that such taxes be paid in advance to Lessor by
Lessee, either: (i) in a lump sum amount equal to the installment due, at least
twenty (20) days prior to the applicable delinquency date, or (ii) monthly in
advance with the payment of the Base Rent. If Lessor elects to require payment
monthly in advance, the monthly payment shall be an amount equal to the amount
of the estimated installment of taxes divided by the number of months remaining
before the month in which said installment becomes delinquent. When the actual
amount of the applicable tax bill is known, the amount of such equal monthly
advance payments shall be adjusted as required to provide the funds needed to
pay the applicable taxes. If the amount collected by Lessor is insufficient to
pay such Real Property Taxes when due, Lessee shall pay Lessor, upon demand,
such additional sums as are necessary to pay such obligations. All monies paid
to Lessor under this Paragraph may be intermingled with other monies of Lessor
and shall not bear interest. In the event of a Breach by Lessee in the
performance of its obligations under this Lease, then any balance of funds paid
to Lessor under the provisions of this Paragraph may, at the option of Lessor,
be treated as an additional Security Deposit.

        10.3    JOINT ASSESSMENT. If the Premises are not separately assessed,
Lessee's liability shall be an equitable proportion of the Real Property Taxes
for all of the land and improvements included within the tax parcel assessed,
such proportion to be conclusively determined by Lessor from the respective
valuations assigned in the assessor's work sheets or such other information as
may be reasonably available.

        10.4    PERSONAL PROPERTY TAXES. Lessee shall pay, prior to delinquency,
all taxes assessed against and levied upon Lessee Owned Alterations, Utility
Installations, Trade Fixtures, furnishings, equipment and all personal property
of Lessee. When possible, Lessee shall cause such property to be assessed and
billed separately from the real property of Lessor. If any of Lessee's said
personal property shall be assessed with Lessor's real property, Lessee shall
pay Lessor the taxes attributable to Lessee's property within ten (10) days
after receipt of a written statement. Lessee may contest by appropriate
proceeding the amount or validity of any personal property taxes assessed
against and levied upon Lessee's personal property; provided, that Lessee shall
promptly pay such taxes unless such proceeding shall operate to prevent or stay
the collection of the tax so contested. Lessee shall indemnify Lessor against
any liability, cost, or expense, including, without limitation attorneys' fees
and costs in connection with any such contest by Lessee.

11.     UTILITIES. Lessee shall pay for all water, gas, heat, light, power,
telephone, trash disposal and other utilities and services supplied to the
Premises, together with any taxes thereon. If any such services are not
separately metered to Lessee, Lessee shall pay a reasonable proportion, to be
determined by Lessor, of all charges jointly metered.

12.     ASSIGNMENT AND SUBLETTING.

                (a) Except as provided in Paragraph 12(g), Lessee shall not
assign this Lease, or any interest therein, voluntarily or involuntarily, and
shall not sublet the Premises or any part thereof or any right or privilege
appurtenant thereto, or suffer any other person (the agents and servants of
Lessee excepted) to occupy or use the Premises, or any portion thereof, without
the prior written consent of Lessor in each instance pursuant to the terms and
conditions set forth below which consent shall not be unreasonably withheld,
subject to the following provisions.

                (b) Subject to the provisions of this Paragraph 12, Lessee
shall have the right to sublease separately (i) the entire Building, (ii) the
two story portion of the Building, or (iii) the one story portion of the
Building (but not part of the two story portion of the Building or part of the
one story portion of the Building). In the event of an approved sublease of the
two story portion of the Building or the one story portion of the Building, the
demising area shall be the main entrance to the Building.

                (c) Notwithstanding the provisions of Paragraph 12(b), in the
case of a proposed assignment or subletting by Lessee of (i) the entire
Building, (ii) the two story portion, or (iii) the one story portion for the
entire balance of the term of this Lease (or for the entire balance of the




                                 Page 12 of 23
<PAGE>   13
term of this Lease except for final six (6) months or less), Lessor shall have
the right to terminate this Lease by giving written notice to Lessee and
specifying the effective date of termination pertaining to the area so
designated in Lessee's request which is the subject to the proposed assignment
or sublease.

                (d) At least thirty (30) days prior to the proposed effective
date of any assignment or sublease which Lessee desires to make, Lessee shall
provide to Lessor in writing the name and address of the proposed assignee or
sublessee, and true and complete copies of all documents relating to Lessee's
prospective agreement to assign or sublease, a copy of a current financial
statement for such proposed assignee or sublessee, and shall specify all
consideration to be received by Lessee for such assignment or sublease in the
form of lump sum payments installments of rent, or otherwise. For purposes of
this Paragraph 12, the term "consideration" shall include all money or other
consideration to be received by Lessee for such assignment or sublease. Within
fifteen (15) days after the receipt of such documentation and other information
Lessor shall (1) notify Lessee in writing that Lessor elects to consent to the
proposed assignment or sublease subject to the terms and conditions set forth
herein; or (2) notify Lessee in writing that Lessor refuses such consent,
specifying reasonable grounds for such refusal; or (3) if the proposed
transaction is an assignment of this Lease, or a sublease and is of (i) the
entire Building (ii) the two story portion, or (iii) the one story portion for
the entire balance of the term of this Lease (or for the entire balance of the
term of this Lease except for the final six (6) months or less). Lessor shall
have the right to terminate this Lease by giving written notice to Lessee and
specifying the effective date of termination and recapture which shall be the
date on which the proposed assignment or sublease transaction was otherwise to
be effective, and specifying the Premises pertaining to the area so designated
in Lessee's request which is the subject to the proposed assignment or
sublease. If Lessor elects to terminate this Lease as to the entire Building or
as to a portion of the Building in accordance with the foregoing provision, as
of the effective date of termination, Lessor and Lessee shall each be released
and discharged from any liability or obligation to the other under this Lease
accruing thereafter as to the portion of the Building with respect to which
this Lease is terminated, and Lessee agrees that Lessor may enter into a direct
lease with such proposed assignee or sublessee without any obligation or
liability to Lessee.


        In deciding whether to consent to any proposed assignment or sublease,
Lessor may take into account whether or not reasonable conditions, including,
but not limited to, the following, have been satisfied:

                (1) In Lessor's reasonable judgment, the proposed assignee or
subtenant is engaged in such a business, that the Premises, or the relevant
part thereof, will be used in such a manner which complies with Paragraph 1.8
and Paragraph 6 hereof entitled "Use";

                (2) The proposed assignee or subtenant is a reputable entity or
individual with sufficient financial net worth so as to reasonably indicate
that it will be able to meet its obligations under this Lease or the sublease
in a timely manner; and



                                 Page 13 of 23



<PAGE>   14
          (3)  The proposed assignment or sublease is approved by Lessor's
mortgage lender if such lender has the right to approve or disapprove proposed
assignments or subleases.

     (e)  As a condition to Lessor's granting its consent to any assignment or
sublease, (1) Lessor may require that Lessee pay to Lessor, as and when
received by Lessee, seventy-five percent (75%) of the amount of any excess of
the consideration to be received by Lessee in connection with said assignment
or sublease over and above the rental amount fixed by this Lease and payable by
Lessee to Lessor, after deducting only (A) actual leasing commissions incurred
by Lessee in consummating such assignment or sublease which are reasonably
approved by Lessor and (B) Lessor's and Lessee's reasonable attorneys' fees
incurred in connection with the negotiation, review, and documentation of the
assignment or sublease, provided that such deduction for either Lessor's or
Lessee's attorneys' fees shall not exceed $2,000. Items (A) and (B) shall be
amortized in equal monthly installments over the balance of the term of this
Lease if an assignment or over the term of the sublease, if a sublease; and (2)
Lessee and the proposed assignee or sublessee shall demonstrate to Lessor's
reasonable satisfaction that each of the criteria referred to in Paragraph 12(d)
above is satisfied.

     (f)  Lessee shall reimburse Lessor upon demand for reasonable attorneys'
fees incurred by Lessor in connection with the negotiation, review, and
documentation of any requested assignment or sublease. Said amount shall be
treated as a cost to be deducted from the overage rent pursuant to Paragraph
12(e).

     (g)  Notwithstanding the foregoing, Lessee may, without Lessor's prior
written consent, without Lessor having the right to terminate this Lease and
recapture the Premises pursuant to Paragraph 12(d)(3), and without participation
by Lessor in assignment or subletting proceeds, sublet a portion or the entire
Premises or assign this Lease (1) to an entity controlled by controlling, or
under the common control with Lessee ("affiliate"), or (2) in connection with a
merger, consolidation, or sale of all or substantially all of the assets or
stock of Lessee ("reorganization"); provided, that (A) in the case of an
assignment or subletting to an affiliate, or in the case of a reorganization in
which Marimba, Inc. is the surviving entity, Marimba, Inc. shall remain
primarily liable to Lessor hereunder; and (B) in the case of a reorganization
in which Marimba, Inc. is not the surviving entity, the surviving entity or the
transferee, as the case may be, shall expressly assume in writing and agree to
perform all of Lessee's obligations under this Lease including, but not limited
to, the payment of Rent; and (C) in the case of either an assignment or sublease
to an affiliate or an assignment or sublease in connection with a
reorganization, at lease thirty (30) days prior to the effective date of such
assignment or sublease, Lessee shall provide to Lessor in writing the name and
address of the proposed assignee or sublessee, and true and complete copies of
all documents relating to Lessee's prospective agreement to assign or sublease,
and a copy of current financial statement for such proposed assignee or
sublessee; and (D) in the case of an assignment or sublease in connection with
a reorganization in which Marimba, Inc. is not the surviving entity, the
Security Deposit shall be increased to an amount equal to four (4) months of
the then prevailing monthly Base Rent unless Lessee is able to demonstrate to


                                 Page 14 of 23
<PAGE>   15
Lessor's reasonable satisfaction that the net worth of the assignee or successor
immediately after the effective date of the transaction is not or will not be
less than that of Lessee immediately prior to such transaction. "Net Worth"
shall mean net worth established under generally accepted accounting principles.

     (h)  Each assignment or sublease agreement to which Lessor has consented
(or to which Lessor's consent is not required pursuant to Paragraph 12(g)) shall
be an instrument in writing in form satisfactory to Lessor, and shall be
executed by both Lessee and the assignee or sublessee as the case may be. Each
such assignment or sublease agreement shall recite that it is and shall be
subject and subordinate to the provisions of this Lease, that the assignee or
sublessee accepts such assignment or sublease, that Lessor's consent thereto
shall not constitute a consent to any subsequent assignment or subletting by
lessee or the assignee or sublessee, and, except as otherwise set forth in a
sublease approved by Lessor, agree to perform all of the obligations of Lessee
hereunder (to the extent such obligations relate to the portion of the Premises
assigned or subleased), and that the termination of this Lease shall, at
Lessor's sole election, constitute a termination of all subleases.

     (i)  In the event Lessor shall consent to an assignment or sublease, Lessee
shall nonetheless remain primarily liable to Lessor for all obligations and
liabilities of Lessee under this Lease, including, but not limited, to the
payment of Rent.

     (j)  Lessee hereby stipulates that the foregoing terms and conditions are
reasonable and comply with California Civil Code Section 1951.4.

     (k)  Subject to the provisions of this Paragraph 12, and assignment or
sublease without Lessor's prior written consent shall at Lessor's election be
void. The consent by Lessor to any assignment or sublease shall not constitute a
waiver of the provisions of this Paragraph 12 including the requirement of
Lessor's prior written consent, with respect to any subsequent assignment or
sublease. If Lessee shall purport to assign this Lease, or sublease all or any
portion of the Premises, or permit any person or persons other than Lessee to
occupy the Premises without Lessor's prior written consent (if such consent is
required hereunder), Lessor may collect rent from the person or persons then or
thereafter occupying the Premises and apply the net amount collected to the rent
reserved herein, but no such collection shall be deemed a waiver of Lessor's
rights and remedies under this Paragraph 12, or the acceptance of any such
purported assignee, sublessee, or occupant, or a release of Lessee from the
further performance by Lessee of covenants on the part of Lessee herein
contained.

     (l)  Lessee shall not hypothecate or encumber its interest under this Lease
or any rights of Lessee hereunder, without Lessor's prior written consent which
consent Lessor may grant or withhold in Lessor's absolute discretion without any
liability to Lessee. Lessee's granting of any such lien or encumbrance shall
constitute an assignment for purposes of this Paragraph 12.

     (m)  In the event of any sale or exchange of the Premises by Lessor and
assignment of this Lease by Lessor, Lessor shall, upon providing Lessee with
written confirmation that Lessor has delivered any security deposit held by
Lessor to Lessor's successor in interest, be and hereby


                                 Page 15 of 23


<PAGE>   16
is entirely relieved of all liability under any and all of Lessor's covenants
and obligations contained in or derived from this Lease with respect to the
period commencing with the consummation of the sale or exchange and assignment.

          (n) The parties acknowledge that Lessor has the remedy described in
California Civil Code Section 1951.4 (Lessor may continue the Lease in effect
after Lessee's breach and abandonment and recover rent as it becomes due, if
Lessee has the right to sublet or assign, subject only to reasonable
limitations).

                                 Page 16 of 23
<PAGE>   17
 13.     DEFAULT; BREACH; REMEDIES.

        13.1    DEFAULT; BREACH. A "DEFAULT" is defined as a failure by the
Lessee to comply with or perform any of the terms, covenants, conditions or
rules under this Lease. A "BREACH" is defined as the occurrence of one or more
of the following Defaults, and the failure of Lessee to cure such Default within
any applicable grace period:

                (a) The abandonment of the Premises; or the vacating of the
Premises without providing a commercially reasonable level of security, or where
the coverage of the property insurance described in Paragraph 8.3 is jeopardized
as a result thereof, or without providing reasonable assurances to minimize
potential vandalism.

                (b) The failure of Lessee to make any payment of Rent or any
Security Deposit required to be made by Lessee hereunder, whether to Lessor or
to a third party, when due, to provide reasonable evidence of insurance or
surety bond, or to fulfill any obligation under this Lease which endangers or
threatens life or property, where such failure continues for a period of three
(3) business days following written notice to Lessee.

                (c) The failure by Lessee to provide (i) reasonable written
evidence of compliance with Applicable Requirements, (ii) the service contracts,
(iii) the rescission of an unauthorized assignment or subletting, (iv) a Tenancy
Statement, (v) a requested subordination, (vi) evidence concerning any guaranty
and/or Guarantor, (vii) any document requested under Paragraph 42 (easements),
or (viii) any other documentation or information which Lessor may reasonably
require of Lessee under the terms of this Lease, where any such failure
continues for a period of ten (10) days following written notice to Lessee.

                (d) A Default by Lessee as to the terms, covenants, conditions
or provisions of this Lease, or of the rules adopted under Paragraph 40 hereof,
other than those described in subparagraphs 13.1(a), (b) or (c), above, where
such Default continues for a period of thirty (30) days after written notice;
provided, however, that if the nature of Lessee's Default is such that more than
thirty (30) days are reasonably required for its cure, then it shall not be
deemed to be a Breach if Lessee commences such cure within said thirty (30) day
period and thereafter diligently prosecutes such cure to completion.

                (e) The occurrence of any of the following events: (i) the
making of any general arrangement or assignment for the benefit of creditors;
(ii) becoming a "DEBTOR" as defined in 11 U.S.C. Section 101 or any successor
statute thereto (unless, in the case of a petition filed against Lessee, the
same is dismissed within sixty (60) days); (iii) the appointment of a trustee or
receiver to take possession of substantially all of Lessee's assets located at
the Premises or of Lessee's interest in this Lease, where possession is not
restored to Lessee within thirty (30) days; or (iv) the attachment, execution or
other judicial seizure of substantially all of Lessee's assets located at the
Premises or of Lessee's interest in this Lease, where such seizure is not
discharged within thirty (30) days; provided, however, in the event that any
provision of this subparagraph 13.1 (e) is contrary to any applicable law, such
provision shall be of no force or effect, and not affect the validity of the
remaining provisions.

                (f) The discovery that any financial statement of Lessee or of
any Guarantor given to Lessor was materially false.

                (g) If the performance of Lessee's obligations under this Lease
is guaranteed: (i) the death of a Guarantor; (ii) the termination of a
Guarantor's liability with respect to this Lease other than in accordance with
the terms of such guaranty; (iii) a Guarantor's becoming insolvent or the
subject of a bankruptcy filing; (iv) a Guarantor's refusal to honor the
guaranty; or (v) a Guarantor's breach of its guaranty obligation on an
anticipatory basis, and Lessee's failure, within sixty (60) days following
written notice of any such event, to provide written alternative assurance or
security, which, when coupled with the then existing resources of Lessee, equals
or exceeds the combined financial resources of Lessee and the Guarantors that
existed at the time of execution of this Lease.

        13.2    REMEDIES. If Lessee fails to perform any of its affirmative
duties or obligations, within ten (10) days after written notice (or in case of
an emergency, without notice), Lessor may, at its option, perform such duty or
obligation on Lessee's behalf, including but not limited to the obtaining of
reasonably required bonds, insurance policies, or governmental licenses, permits
or approvals. The costs and expenses of any such performance by Lessor shall be
due and payable by Lessee upon receipt of invoice therefor. If any check given
to Lessor by Lessee shall not be honored by the bank upon which it is drawn,
Lessor, at its option, may require all future payments to be made by Lessee to
be by cashier's check. In the event of a Breach, Lessor may, with or without
further notice or demand, and without limiting Lessor in the exercise of any
right or remedy which Lessor may have by reason of such Breach:

                (a) Terminate Lessee's right to possession of the Premises by
any lawful means, in which case this Lease shall terminate and Lessee shall
immediately surrender possession to Lessor. In such event Lessor shall be
entitled to recover from Lessee: (i) the unpaid Rent which had been earned at
the time of termination; (ii) the worth at the time of award of the amount by
which the unpaid rent which would have been earned after termination until the
time of award exceeds the amount of such rental loss that the Lessee proves
could have been reasonably avoided; (iii) the worth at the time of award of the
amount by which the unpaid rent for the balance of the term after the time of
award exceeds the amount of such rental loss that the Lessee proves could be
reasonably avoided; and (iv) any other amount necessary to compensate Lessor for
all the detriment proximately caused by the Lessee's failure to perform its
obligations under this Lease or which in the ordinary course of things would be
likely to result therefrom, including but not limited to the cost of recovering
possession of the Premises, expenses of reletting, including necessary repairs
to the Premises, reasonable attorneys' fees, and that portion of any leasing
commission paid by Lessor in connection with this Lease applicable to the
unexpired term of this Lease. The worth at the time of award of the amount
referred to in provision (iii) of the immediately preceding sentence shall be
computed by discounting such amount at the discount rate of the Federal Reserve
Bank of the District within which the Premises are located at the time of award
plus one percent (1%). Efforts by Lessor to mitigate damages caused by Lessee's
Breach of this Lease shall not waive Lessor's right to recover damages under
Paragraph 12. If termination of this Lease is obtained through the provisional
remedy of unlawful detainer, Lessor shall have the right to recover in such
proceeding any unpaid Rent and damages as are recoverable therein, or Lessor may
reserve the right to recover all or any part thereof in a separate suit. If a
notice and grace period required under Paragraph 13.1 was not previously given,
a notice to pay rent or quit, or to perform or quit given to Lessee under the
unlawful detainer statute shall also constitute the notice required by Paragraph
13.1. In such case, the applicable grace period required by Paragraph 13.1 and
the unlawful detainer statute shall run concurrently, and the failure of Lessee
to cure the Default within the greater of the two such grace periods shall
constitute both an unlawful detainer and a Breach of this Lease entitling Lessor
to the remedies provided for in this Lease and/or by said statute.

                (b) Continue the Lease and Lessee's right to possession and
recover the Rent as it becomes due, in which event Lessee may sublet or assign,
subject only to reasonable limitations. Acts of maintenance, efforts to relet,
and/or the appointment of a receiver to protect the Lessor's interests,


                                 Page 17 of 23
<PAGE>   18
shall not constitute a termination of the Lessee's right to possession.

                (c) Pursue any other remedy now or hereafter available under the
laws or judicial decisions of the state wherein the Premises are located. The
expiration or termination of this Lease and/or the termination of Lessee's right
to possession shall not relieve Lessee from liability under any indemnity
provisions of this Lease as to matters occurring or accruing during the term
hereof or by reason of Lessee's occupancy of the Premises.

        13.3    INDUCEMENT RECAPTURE. Any agreement for free or abated rent or
other charges, or for the giving or paying by Lessor to or for Lessee of any
cash or other bonus, inducement or consideration for Lessee's entering into this
Lease, all of which concessions are hereinafter referred to as "INDUCEMENT
PROVISIONS," shall be deemed conditioned upon Lessee's full and faithful
performance of all of the terms, covenants and conditions of this Lease. Upon
Breach of this Lease by Lessee, any such Inducement Provision shall
automatically be deemed deleted from this Lease and of no further force or
effect, and any rent, other charge, bonus, inducement or consideration
theretofore abated, given or paid by Lessor under such an Inducement Provision
shall be immediately due and payable by Lessee to Lessor, notwithstanding any
subsequent cure of said Breach by Lessee. The acceptance by Lessor of Rent or
the cure of the Breach which initiated the operation of this paragraph shall not
be deemed a waiver by Lessor of the provisions of this paragraph unless
specifically so stated in writing by Lessor at the time of such acceptance.
Notwithstanding the foregoing, the Tenant Improvement Allowance contributed by
Lessor shall not be included within the term "Inducement Provisions."

        13.4    LATE CHARGES. Lessee hereby acknowledges that late payment by
Lessee of Rent will cause Lessor to incur costs not contemplated by this Lease,
the exact amount of which will be extremely difficult to ascertain. Such costs
include, but are not limited to, processing and accounting charges, and late
charges which may be imposed upon Lessor by any Lender. Accordingly, if any Rent
shall not be received by Lessor within five (5) days after such receipt by
Lessee of written notice from Lessor that such amount is due, then, Lessee shall
pay to Lessor a one-time late charge equal to six percent (6%) of each such
overdue amount. The Parties hereby agree that such late charge represents a fair
and reasonable estimate of the costs Lessor will incur by reason of such late
payment. Acceptance of such late charge by Lessor shall in no event constitute a
waiver of Lessee's Default or Breach with respect to such overdue amount, nor
prevent the exercise of any of the other rights and remedies granted hereunder.
In the event that a late charge is payable hereunder, whether or not collected,
for three (3) consecutive installments of Base Rent, then notwithstanding any
provision of this Lease to the contrary, Base Rent shall, at Lessor's option,
become due and payable quarterly in advance.

        13.5    INTEREST. Any monetary payment due Lessor hereunder, other than
late charges, not received by Lessor, when due as to scheduled payments (such as
Base Rent) or within thirty (30) days following the date on which it was due for
non-scheduled payment, shall bear interest from the date when due, as to
scheduled payments, or the thirty-first (31st) day after it was due as to
non-scheduled payments. The interest ("Interest") charged shall be equal to the
prime rate reported in the Wall Street Journal as published closest prior to the
date when due plus four percent (4%), but shall not exceed the maximum rate
allowed by law. Interest is payable in addition to the potential late charge
provided for in Paragraph 13.4.

        13.6    BREACH BY LESSOR.

                (a) NOTICE OF BREACH. Lessor shall not be deemed in breach of
this Lease unless Lessor fails within a reasonable time to perform an obligation
required to be performed by Lessor. For purposes of this Paragraph, a reasonable
time shall in no event be less than thirty (30) days after receipt by Lessor,
and any Lender whose name and address shall have been furnished Lessee in
writing for such purpose, of written notice specifying wherein such obligation
of Lessor has not been performed; provided, however, that if the nature of
Lessor's obligation is such that more than thirty (30) days are reasonably
required for its performance, then Lessor shall not be in breach if performance
is commenced within such thirty (30) day period and thereafter diligently
pursued to completion.

                (b) PERFORMANCE BY LESSEE ON BEHALF OF LESSOR. In the event that
neither Lessor nor Lender cures said breach within thirty (30) days after
receipt of said notice, or if having commenced said cure they do not diligently
pursue it to completion, then Lessee may elect to cure said breach at Lessee's
expense and offset from Rent an amount equal to the greater of one month's Base
Rent or the Security Deposit, and to pay an excess of such expense under
protest, reserving Lessee's right to reimbursement from Lessor. Lessee shall
document the cost of said cure and supply said documentation to Lessor.

14.     CONDEMNATION. If the Premises or any portion thereof are taken under the
power of eminent domain or sold under the threat of the exercise of said power
(collectively "CONDEMNATION"), this Lease shall terminate as to the part taken
as of the date the condemning authority takes title or possession, whichever
first occurs. If more than ten percent (10%) of any building portion of the
Premises, or more than twenty-five percent (25%) of the land area portion of the
Premises not occupied by any building, is taken by Condemnation, Lessee may, at
Lessee's option, to be exercised in writing within ten (10) days after Lessor
shall have given Lessee written notice of such taking (or in the absence of such
notice, within ten (10) days after the condemning authority shall have taken
possession) terminate this Lease as of the date the condemning authority takes
such possession. If Lessee does not terminate this Lease in accordance with the
foregoing, this Lease shall remain in full force and effect as to the portion of
the Premises remaining, except that the Base Rent shall be reduced in proportion
to the reduction in utility of the Premises caused by such Condemnation.
Condemnation awards and/or payments shall be the property of Lessor, whether
such award shall be made as compensation for diminution in value of the
leasehold, the value of the part taken, or for severance damages; provided,
however, that Lessee shall be entitled to any compensation for Lessee's
relocation expenses, loss of business goodwill and/or Trade Fixtures, without
regard to whether or not this Lease is terminated pursuant to the provisions of
this Paragraph. All Alterations and Utility Installations made to the Premises
by Lessee, for purposes of Condemnation only, shall be considered the property
of the Lessee and Lessee shall be entitled to any and all compensation which is
payable therefor. In the event that this Lease is not terminated by reason of
the Condemnation, Lessor shall repair any damage to the Premises caused by such
Condemnation.

15.  COMMISSIONS. Lessor and Lessee shall each be responsible for paying any
commission or other compensation to their respective representatives with
respect to the negotiation and execution of this Lease.


                                 Page 18 of 23
<PAGE>   19
16.     ESTOPPEL CERTIFICATES.

                (a) Each Party (as "RESPONDING PARTY") shall within ten (10)
days after written notice from the other Party (the "REQUESTING PARTY") execute,
acknowledge and deliver to the Requesting Party a statement in writing in form
similar to the then most current "ESTOPPEL CERTIFICATE" form published by the
American Industrial Real Estate Association, plus such additional information,
confirmation and/or statements as may be reasonably requested by the Requesting
Party.

                (b) If the Responding Party shall fail to execute or deliver the
Estoppel Certificate within such ten day period, the Requesting Party may
execute an Estoppel Certificate stating that: (i) the Lease is in full force and
effect without modification except as may be represented by the Requesting
Party, (ii) there are no uncured defaults in the Requesting Party's performance,
and (iii) if Lessor is the Requesting Party, not more than one month's Rent has
been paid in advance. Prospective purchasers and encumbrancers may rely upon the
Requesting Party's Estoppel Certificate, and the Responding Party shall be
estopped from denying the truth of the facts contained in said Certificate.

                (c) If Lessor desires to finance, refinance, or sell the
Premises, or any part thereof and Lessee's securities are not then publicly
traded, Lessee and all Guarantors shall deliver to any potential lender or
purchaser designated by Lessor such financial statements as may be reasonably
required by such lender or purchaser, including, but not limited to, Lessee's
financial statements for the past three (3) years. All such financial statements
shall be received by Lessor and such lender or purchaser in confidence and shall
be used only for the purposes herein set forth.

17.     DEFINITION OF LESSOR. The term "LESSOR" as used herein shall mean the
owner or owners at the time in question of the fee title to the Premises, or, if
this is a sublease, of the Lessee's interest in the prior lease. In the event of
a transfer of Lessor's title or interest in the Premises or this Lease, Lessor
shall deliver to the transferee or assignee (in cash or by credit) any unused
Security Deposit held by Lessor. Except as provided in Paragraph 15, upon such
transfer or assignment and delivery of the Security Deposit, as aforesaid, the
prior Lessor shall be relieved of all liability with respect to the obligations
and/or covenants under this Lease thereafter to be performed by the Lessor.
Subject to the foregoing, the obligations and/or covenants in this Lease to be
performed by the Lessor shall be binding only upon the Lessor as hereinabove
defined. Notwithstanding the above, and subject to the provisions of Paragraph
20 below, the original Lessor under this Lease, and all subsequent holders of
the Lessor's interest in this Lease shall remain liable and responsible with
regard to the potential duties and liabilities of Lessor pertaining to Hazardous
Substances as outlined in Paragraph 6 above.

18.     SEVERABILITY. The invalidity of any provision of this Lease, as
determined by a court of competent jurisdiction, shall in no way affect the
validity of any other provision hereof.

19.     DAYS. Unless otherwise specifically indicated to the contrary, the word
"days" as used in this Lease shall mean and refer to calendar days.

20.     LIMITATION ON LIABILITY. Subject to the provisions of Paragraph 17
above, the obligations of Lessor under this Lease shall not constitute personal
obligations of Lessor, the individual partners of Lessor or its or their
individual partners, directors, officers or shareholders, and Lessee shall look
to the Premises, and to no other assets of Lessor, for the satisfaction of any
liability of Lessor with respect to this Lease, and shall not seek recourse
against the individual partners of Lessor, or its or their individual partners,
directors, officers or shareholders, or any of their personal assets for such
satisfaction.

21.     TIME OF ESSENCE. Time is of the essence with respect to the performance
of all obligations to be performed or observed by the Parties under this Lease.

22.     NO PRIOR OR OTHER AGREEMENTS; BROKER DISCLAIMER. This Lease contains all
agreements between the Parties with respect to any matter mentioned herein, and
no other prior or contemporaneous agreement or understanding shall be effective.
Lessor and Lessee each represents and warrants to the Brokers that it has made,
and is relying solely upon, its own investigation as to the nature, quality,
character and financial responsibility of the other Party to this Lease and as
to the nature, quality and character of the Premises. Brokers have no
responsibility with respect thereto or with respect to any default or breach
hereof by either Party. The liability (including court costs and Attorneys'
fees), of any Broker with respect to negotiation, execution, delivery or
performance by either Lessor or Lessee under this Lease or any amendment or
modification hereto shall be limited to an amount up to the fee received by such
Broker pursuant to this Lease; provided, however, that the foregoing limitation
on each Broker's liability shall not be applicable to any gross negligence or
willful misconduct of such Broker.

23.     NOTICES.

                23.1    NOTICE REQUIREMENTS. All notices required or permitted
by this Lease shall be in writing and may be delivered in person (by hand or by
courier) or shall be sent by certified mail, return receipt requested, or
registered mail, return receipt requested, with postage prepaid, or by facsimile
transmission. The addresses noted adjacent to a Party's signature on this Lease
shall be that Party's address for delivery or mailing of notices. Either Party
may by written notice to the other specify a different address for notice,
except that upon Lessee's taking possession of the

                                 Page 19 of 23
<PAGE>   20
Premises, the Premises shall constitute Lessee's address for notice. A copy of
all notices to Lessor shall be concurrently transmitted to such party or parties
at such addresses as Lessor may from time to time hereafter designate in
writing.

          23.2    DATE OF NOTICE. Any notice sent by registered or certified
mail, return receipt requested, shall constitute receipt of notice on the date
of delivery shown on the receipt card, or if no delivery date is shown, the
postmark thereon. Refusal of receipt by the addressee shall constitute receipt
by the party refusing receipt as of the date delivery was attempted by the means
specified in Paragraph 23.1 or this Paragraph 23.2. Notices delivered by United
States Express Mail or overnight courier that guarantee next day delivery shall
be given upon receipt of the same by the addressee from the Postal Service or
courier. Notices transmitted by facsimile transmission or similar means shall be
given upon telephone confirmation of receipt, provided a copy of the notice is
mailed by the other party by regular mail no later than the next business day.
If notice is received on a Saturday, Sunday or legal holiday, it shall be deemed
received on the next business day.

          23.3 METHOD of TRANSMISSION. All notices, the copy of Lessee's
Hazardous Substances Management Plan (Paragraph 6.5). copies of service
contracts (Paragraph 7.1(b)), evidence of insurance coverages with Lessor named
as an additional insured, (Paragraph 8.2(a)), evidence of payment of taxes
(Paragraph 10.2(a)), documentation relating to proposed assignment of sublease
(Paragraph 12(d)), and any other reports, documentation, or written material
which Lessee is obligated by this Lease to deliver to Lessor shall be
transmitted to Lessor pursuant to the foregoing provisions. Lessor shall use
the same method of transmission of notices and other documentation to Lessee.

24.     WAIVERS. No waiver by either Lessor or Lessee of the Default or
Breach of any term, covenant or condition hereof by the other party, shall be
deemed a waiver of any other term, covenant or condition hereof, or of any
subsequent Default or Breach by the other party of the same or of any other
term, covenant or condition hereof. The consent to, or approval of, any act by
either Lessor or Lessee shall not be deemed to render unnecessary the obtaining
of such party's consent to, or approval of, any subsequent or similar act by the
other party, or be construed as the basis of an estoppel to enforce the
provision or provisions of this Lease requiring such consent. The acceptance of
Rent by Lessor shall not be a waiver of any Default or Breach by Lessee. Any
payment by a party may be accepted by the receiving party on account of monies
or damages due it, notwithstanding any qualifying statements or conditions made
by the paying party in connection therewith, which such statements and/or
conditions shall be of no force or effect whatsoever unless specifically agreed
to in writing by receiving party at or before the time of deposit of such
payment.

25.     RECORDING. Either Lessor or Lessee shall, upon request of the other,
execute, acknowledge and deliver to the other a short form memorandum of this
Lease for recording purposes. The Party requesting recordation shall be
responsible for payment of any fees applicable thereto.

26.     NO RIGHT TO HOLDOVER. Lessee has no right to retain possession of the
Premises or any part thereof beyond the expiration or termination of this Lease.
In the event that Lessee holds over, then the Base Rent shall be increased to
one hundred fifty percent (150%) of the Base Rent applicable during the month
immediately preceding the expiration or termination. Nothing contained herein
shall be construed as consent by Lessor to any holding over by Lessee.

27.     CUMULATIVE REMEDIES. No remedy or election hereunder shall be deemed
exclusive but shall, wherever possible, be cumulative with all other remedies at
law or in equity.

28.     COVENANTS AND CONDITIONS; CONSTRUCTION OF AGREEMENT. All provisions of
this Lease to be observed or performed by Lessee are both covenants and
conditions. In construing this Lease, all headings and titles are for the
convenience of the Parties only and shall not be considered a part of this
Lease. Whenever required by the context, the singular shall include the plural
and vice versa. This Lease shall not be construed as if prepared by one of the
Parties, but rather according to its fair meaning as a whole, as if both Parties
had prepared it.

29.     BINDING EFFECT; CHOICE OF LAW. This Lease shall be binding upon the
parties, their personal representatives, successors and assigns and be governed
by the laws of the State in which the Premises are located. Any litigation
between the Parties hereto concerning this Lease shall be initiated in the
county in which the Premises are located.

30.     SUBORDINATION; ATTORNMENT; NON-DISTURBANCE.

        30.1    SUBORDINATION. This Lease and any Option granted hereby shall be
subject and subordinate to any ground lease, mortgage, deed of trust, or other
hypothecation or security device (collectively, "SECURITY DEVICE"), now or
hereafter placed upon the Premises, to any and all advances made on the


                                 Page 20 of 23
<PAGE>   21
security thereof, and to all renewals, modifications, and extensions thereof.
Lessee agrees that the holders of any such Security Devices (in this Lease
together referred to as "Lessor's Lender") shall have no liability or obligation
to perform any of the obligations of Lessor under this Lease. Any Lender may
elect to have this Lease and/or any Option granted hereby superior to the lien
of its Security Device by giving written notice thereof to Lessee, whereupon
this Lease and such Options shall be deemed prior to such Security Device,
notwithstanding the relative dates of the documentation or recordation thereof.

        30.2    ATTORNMENT. Subject to the non-disturbance provisions of
Paragraph 30.3, Lessee agrees to attorn to a Lender or any other party who
acquires ownership of the Premises by reason of a foreclosure of a Security
Device, and that in the event of such foreclosure, such new owner shall not: (i)
be liable for any act or omission of any prior lessor or with respect to events
occurring prior to acquisition of ownership; (ii) be subject to any offsets or
defenses which Lessee might have against any prior lessor; or (iii) be bound by
prepayment of more than one (1) month's rent.

        30.3    NON-DISTURBANCE. With respect to Security Devices entered into
by Lessor after the execution of this Lease, Lessee's subordination of this
Lease shall be subject to receiving a commercially reasonable non-disturbance
agreement (a "NON-DISTURBANCE AGREEMENT") from the Lender which Non-Disturbance
Agreement provides that Lessee's possession of the Premises, and this Lease,
including any options to extend the term hereof, will not be disturbed so long
as Lessee is not in Breach hereof and attorns to the record owner of the
Premises. Further, within sixty (60) days after the execution of this Lease,
Lessor shall use its commercially reasonable efforts to obtain a Non-Disturbance
Agreement from the holder of any pre-existing Security Device which is secured
by the Premises. In the event that Lessor is unable to provide the
Non-Disturbance Agreement within said sixty (60) days, then Lessee may, at
Lessee's option, directly contact Lessor's lender and attempt to negotiate for
the execution and delivery of a Non-Disturbance Agreement.

        30.4    SELF-EXECUTING. The agreements contained in this Paragraph 30
shall be effective without the execution of any further documents; provided,
however, that, upon written request from Lessor or a Lender in connection with a
sale, financing or refinancing of the Premises, Lessee and Lessor shall execute
such further writings as may be reasonably required to separately document any
subordination, attornment and/or Non-Disturbance Agreement provided for herein.

31.     ATTORNEYS' FEES. If any Party or Broker brings an action or proceeding
involving the Premises to enforce the terms hereof or to declare rights
hereunder, the Prevailing Party (as hereafter defined) in any such proceeding,
action, or appeal thereon, shall be entitled to reasonable attorneys' fees. Such
fees may be awarded in the same suit or recovered in a separate suit, whether or
not such action or proceeding is pursued to decision or judgment. The term,
"PREVAILING PARTY" shall include, without limitation, a Party or Broker who
substantially obtains or defeats the relief sought, as the case may be, whether
by compromise, settlement, judgment, or the abandonment by the other Party or
Broker of its claim or defense. The attorneys' fees award shall not be computed
in accordance with any court fee schedule, but shall be such as to fully
reimburse all attorneys' fees reasonably incurred. In addition, Lessor shall be
entitled to attorneys' fees, costs and expenses incurred in the preparation and
service of notices of Default and consultations in connection therewith, whether
or not a legal action is subsequently commenced in connection with such Default
or resulting Breach.

32.     LESSOR'S ACCESS; SHOWING PREMISES; REPAIRS. Lessor and Lessor's agents
shall have the right to enter the Premises at any time, in the case of an
emergency, and otherwise at reasonable times for the purpose of showing the same
to prospective purchasers, lenders, or lessees, and making such alterations,
repairs, improvements or additions to the Premises as Lessor may deem necessary.
All such activities shall be without abatement of rent or liability to Lessee.
Lessor may at any time place on the Premises any ordinary "FOR SALE" signs and
Lessor may during the last six (6) months of the term hereof place on the
Premises any ordinary "FOR LEASE" signs. Lessee may at any time place on or
about the Premises any ordinary "For Sublease" sign.

33.     AUCTIONS. Lessee shall not conduct, nor permit to be conducted, any
auction upon the Premises without Lessor's prior written consent. Lessor shall
not be obligated to exercise any standard of reasonableness in determining
whether to permit an auction.

34.     SIGNS. Except for ordinary "For Sublease" signs, Lessee shall not place
any sign upon the Premises without Lessor's prior written consent. All signs
must comply with all Applicable Requirements.

35.     TERMINATION; MERGER. Unless specifically stated otherwise in writing by
Lessor, the voluntary or other surrender of this Lease by Lessee, the mutual
termination or cancellation hereof, or a termination hereof by Lessor for Breach
by Lessee, shall automatically terminate any sublease or lesser estate in the
Premises; provided, however, that Lessor may elect to continue any one or all
existing subtenancies. Lessor's failure within ten (10) days following any such
event to elect to the contrary by written notice to the holder of any such
lesser interest, shall constitute Lessor's election to have such event
constitute the termination of such interest.

36.     CONSENTS. Except as otherwise provided herein, wherever in this Lease
the consent of a Party is required to an act by or for the other Party, such
consent shall not be unreasonably withheld or delayed. Lessor's actual
reasonable costs and expenses (including, but not limited to, architects',
attorneys', engineers' and other consultants' fees) incurred in the
consideration of, or response to, a request by Lessee for any Lessor consent,
including, but not limited to, consents to an assignment, a subletting or the
presence or use of a Hazardous Substance, shall be paid by Lessee upon receipt
of an invoice and supporting documentation therefor. Lessor's consent to any
act, assignment or subletting shall not constitute an acknowledgment that no
Default or Breach by Lessee of this Lease exists, nor shall such consent be
deemed a waiver of any then existing Default or Breach, except as may be
otherwise specifically stated in writing by Lessor at the time of such consent.
The failure to specify herein any particular condition to Lessor's consent shall
not preclude the imposition by Lessor at the time of consent of such further or
other conditions as are then reasonable with reference to the particular matter
for which consent is being given. In the event that either Party disagrees with
any determination made by the other hereunder and reasonably requests the
reasons for such determination, the determining party shall furnish its reasons
in writing and in reasonable detail within ten (10) business days following such
request.

38.     QUIET POSSESSION. Subject to payment by Lessee of the Rent and
performance of all of the covenants, conditions and provisions on Lessee's part
to be observed and performed under this Lease, Lessee shall have quiet
possession and quiet enjoyment of the Premises during the term hereof.


                                 Page 21 of 23
<PAGE>   22
41.     SECURITY MEASURES. Lessee hereby acknowledges that the rental payable to
Lessor hereunder does not include the cost of guard service or other security
measures, and that Lessor shall have no obligation whatsoever to provide same.
Lessee assumes all responsibility for the protection of the Premises, Lessee,
its agents and invitees and their property from the acts of third parties.

42.     RESERVATIONS. Lessor reserves to itself the right, from time to time, to
grant, without the consent or joinder of Lessee, such easements, rights and
dedications that Lessor deems necessary, and to cause the recordation of parcel
maps and restrictions, so long as such easements, rights, dedications, maps and
restrictions do not unreasonably interfere with the use of the Premises by
Lessee. Lessee agrees to sign any documents reasonably requested by Lessor to
effectuate any such easement rights, dedication, map or restrictions.

43.     PERFORMANCE UNDER PROTEST. If at any time a dispute shall arise as to
any amount or sum of money to be paid by one Party to the other under the
provisions hereof, the Party against whom the obligation to pay the money is
asserted shall have the right to make payment "under protest" and such payment
shall not be regarded as a voluntary payment and there shall survive the right
on the part of said Party to institute suit for recovery of such sum. If it
shall be adjudged that there was no legal obligation on the part of said Party
to pay such sum or any part thereof, said Party shall be entitled to recover
such sum or so much thereof as it was not legally required to pay.

44.     AUTHORITY. If either Party hereto is a corporation, trust, limited
liability company, partnership, or similar entity, each individual executing
this Lease on behalf of such entity represents and warrants that he or she is
duly authorized to execute and deliver this Lease on its behalf. Each Party
shall, within thirty (30) days after request, deliver to the other Party
satisfactory evidence of such authority.

45.     CONFLICT. Any conflict between the printed provisions of this Lease and
the typewritten or handwritten provisions shall be controlled by the typewritten
or handwritten provisions.

46.     OFFER. Preparation of this Lease by either Party or their agent and
submission of same to the other Party shall not be deemed an offer to lease to
the other Party. This Lease is not intended to be binding until executed and
delivered by all Parties hereto.

47.     AMENDMENTS. This Lease may be modified only in writing, signed by the
Parties in interest at the time of the modification. As long as they do not
materially change Lessee's obligations hereunder, Lessee agrees to make such
reasonable non-monetary modifications to this Lease as may be reasonably
required by a Lender in connection with the obtaining of normal financing or
refinancing of the Premises.

49.     MEDIATION AND ARBITRATION OF DISPUTES. An Addendum requiring the
Mediation and/or the Arbitration of all disputes between the Parties and/or
Brokers arising out of this Lease [ ] IS  [X] IS NOT attached to this Lease.

50.     See Addendum 50.

LESSOR AND LESSEE HAVE CAREFULLY READ AND REVIEWED THIS LEASE AND EACH TERM AND
PROVISION CONTAINED HEREIN, AND BY THE EXECUTION OF THIS LEASE SHOW THEIR
INFORMED AND VOLUNTARY CONSENT THERETO. THE PARTIES HEREBY AGREE THAT, AT THE
TIME THIS LEASE IS EXECUTED, THE TERMS OF THIS LEASE ARE COMMERCIALLY REASONABLE
AND EFFECTUATE THE INTENT AND PURPOSE OF LESSOR AND LESSEE WITH RESPECT TO THE
PREMISES.

________________________________________________________________________________

ATTENTION: NO REPRESENTATION OR RECOMMENDATION IS MADE BY THE AMERICAN
INDUSTRIAL REAL ESTATE ASSOCIATION OR BY ANY BROKER AS TO THE LEGAL SUFFICIENCY,
LEGAL EFFECT, OR TAX CONSEQUENCES OF THIS LEASE OR THE TRANSACTION TO WHICH

                                 Page 22 of 23
<PAGE>   23
IT RELATES. THE PARTIES ARE URGED TO:

1.   SEEK ADVICE OF COUNSEL AS TO THE LEGAL AND TAX CONSEQUENCES OF THIS LEASE.

2.   RETAIN APPROPRIATE CONSULTANTS TO REVIEW AND INVESTIGATE THE CONDITION OF
THE PREMISES. SAID INVESTIGATION SHOULD INCLUDE BUT NOT BE LIMITED TO: THE
POSSIBLE PRESENCE OF HAZARDOUS SUBSTANCES, THE ZONING OF THE PREMISES, THE
STRUCTURAL INTEGRITY, THE CONDITION OF THE ROOF AND OPERATING SYSTEMS, AND THE
SUITABILITY OF THE PREMISES FOR LESSEE'S INTENDED USE.

WARNING: IF THE PREMISES IS LOCATED IN A STATE OTHER THAN CALIFORNIA, CERTAIN
PROVISIONS OF THE LEASE MAY NEED TO BE REVISED TO COMPLY WITH THE LAWS OF THE
STATE IN WHICH THE PREMISES IS LOCATED.
________________________________________________________________________________


The parties hereto have executed this Lease at the place and on the dates
specified above their respective signatures.

Executed at: San Francisco, CA           Executed at: Mountain View, CA
on: 2/27/00                              on: February 23, 2000
By LESSOR:                               By LESSEE
ILICON, INC., a California corporation   MARIMBA, INC., a Delaware corporation
_____________________________________    _______________________________________

By: /s/ [signature illegible]            By: /s/ [signature illegible]
Name Printed: [illegible]                Name Printed: [illegible]
Title: President                         Title: VP/CFO

By:__________________________________    By:____________________________________
Name Printed:________________________    Name Printed:__________________________
Title:_______________________________    Title:_________________________________
Address:_____________________________    Address: 440 Clyde Avenue
        _____________________________             Mountain View, California
                                                  94043-2232
Telephone: (498) 225-2278                Telephone: (650) 970-5259
Facsimile: (498) 255-0775                Facsimile: (650) 970-5605
Federal ID No. 94-29299999               Federal ID No. 77-0422318
               Ilicon, Inc./440
               attn: Portfolio Realty Management/440
               20380 Towncenter, 130
               Cupertino, CA 95014

NOTE: These forms are often modified to meet the changing requirements of law
      and industry needs. Always write or call to make sure you are utilizing
      the most current form: AMERICAN INDUSTRIAL REAL ESTATE ASSOCIATION, 700
      So. Flower Street, Suite 600, Los Angeles, California 90017. (213)
      687-8777. Fax No. (213) 687-8616


                                 PAGE 23 of 23



<PAGE>   24
                                   EXHIBIT A


REAL PROPERTY in the City of Mountain View, County of Santa Clara, State of
California, described as follows:

Parcel 2, as shown on that certain Parcel Map filed in the Office of the
Recorder of the County of Santa Clara, State of California on February 3, 1984,
in Book 524 of Maps, page(s) 27.

APN: 160-57-009
ARB: 159-43-42.01, 037, 038

<PAGE>   25
                                   EXHIBIT B


                     LESSEE'S LIST OF HAZARDOUS SUBSTANCES


                                      NONE



<PAGE>   1

EXHIBIT 21.1

                                  MARIMBA, INC.
                     LIST OF SUBSIDIARIES OF THE REGISTRANT


    1.  Marimba Software UK Limited



                                       48

<PAGE>   1

EXHIBIT 23.1

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the Marimba, Inc. 1996 Stock Plan, the Marimba, Inc. 1999
Omnibus Equity Incentive Plan, the Marimba, Inc. 1999 Employee Stock Purchase
Plan, the Marimba, Inc. International Employee Stock Purchase Plan and the
Marimba, Inc. 1999 Non-Employee Directors Option Plan, and in the Registration
Statement (Form S-8) pertaining to the Marimba, Inc. 1996 Stock Plan shares
acquired under written compensation agreements with certain designated
individuals and certain unnamed individuals, of our report dated January 14,
2000, with respect to the consolidated financial statements of Marimba, Inc.
included in the Annual Report (Form 10-K) for the year ended December 31, 1999.


                                            /s/ ERNST & YOUNG LLP

Palo Alto, California
MARCH 27, 2000



                                       49

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS USED ON PAGE 27 OF MARIMBA'S 1999 FORM 10K AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-01-1999
<CASH>                                          22,263
<SECURITIES>                                    56,749
<RECEIVABLES>                                    7,503
<ALLOWANCES>                                     (104)
<INVENTORY>                                          0
<CURRENT-ASSETS>                                73,507
<PP&E>                                           5,477
<DEPRECIATION>                                 (2,522)
<TOTAL-ASSETS>                                  90,487
<CURRENT-LIABILITIES>                           17,800
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        93,438
<OTHER-SE>                                    (20,799)
<TOTAL-LIABILITY-AND-EQUITY>                    90,487
<SALES>                                         23,637
<TOTAL-REVENUES>                                31,413
<CGS>                                              402
<TOTAL-COSTS>                                    3,438
<OTHER-EXPENSES>                                34,598
<LOSS-PROVISION>                                    36
<INTEREST-EXPENSE>                                  30
<INCOME-PRETAX>                                (4,117)
<INCOME-TAX>                                        97
<INCOME-CONTINUING>                            (4,214)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (4,214)
<EPS-BASIC>                                   (0.22)
<EPS-DILUTED>                                   (0.22)


</TABLE>


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