FORE SYSTEMS INC /DE/
10-K, 1997-06-27
COMPUTER COMMUNICATIONS EQUIPMENT
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549
 
                                   FORM 10-K
                 For Annual and Transition Reports Pursuant to
          Sections 13 or 15(d) of the Securities Exchange Act of 1934
 
(MARK ONE)
 
[ X ] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
      ACT OF 1934 [NO FEE REQUIRED, EFFECTIVE OCTOBER 7, 1996].
 
                    FOR THE FISCAL YEAR ENDED MARCH 31, 1997
 
                                       OR
 
[   ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934 [NO FEE REQUIRED].
 
      FOR THE TRANSITION PERIOD FROM _____________ TO __________________
 
                        Commission file number: 0-24156
      
                               FORE SYSTEMS, INC.
             (Exact Name of Registrant as Specified in Its Charter)
 
<TABLE>
<S>                                             <C>
                    DELAWARE                                       25-1628117
(State or Other Jurisdiction of Incorporation or       (I.R.S. Employer Identification No.)
                 Organization)

   1000 FORE DRIVE, WARRENDALE, PENNSYLVANIA                       15086-7502
    (Address of Principal Executive Offices)                       (Zip Code)
</TABLE>
 
       Registrant's telephone number, including area code: (412) 742-4444
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:
 
<TABLE>
<CAPTION>
      TITLE OF EACH CLASS                  NAME OF EACH EXCHANGE ON WHICH REGISTERED
- -------------------------------------------------------------------------------------------
              <S>                                        <C>
              None                                       Not applicable
</TABLE>
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:
 
                     COMMON STOCK, PAR VALUE $.01 PER SHARE
                                (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. [ ]
 
     As of May 30, 1997, the aggregate market value of voting common stock held
by non-affiliates of the registrant, based upon the last reported sale price for
the registrant's Common Stock on the Nasdaq National Market on such date, as
reported in The Wall Street Journal, was $1,387,366,094 (calculated by excluding
shares owned beneficially by directors and executive officers as a group from
total outstanding shares solely for the purpose of this response).
 
     The number of shares of the registrant's Common Stock outstanding as of the
close of business on May 30, 1997 was 98,312,974.
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
     Certain portions of the definitive Proxy Statement of FORE Systems, Inc.
(the "Company") to be furnished in connection with the solicitation of proxies
by the Company's Board of Directors for use at the 1997 Annual Meeting of
Stockholders (the "Proxy Statement") are incorporated by reference into Part III
of this Annual Report on Form 10-K to the extent provided herein. Except as
specifically incorporated by reference herein, the Proxy Statement is not to be
deemed filed as part of this Annual Report on Form 10-K.
================================================================================
<PAGE>   2
 
                                     PART I
ITEM 1. BUSINESS.
 
     FORE Systems, Inc. (the "Company" or "FORE Systems") is a leader in the
design, development, manufacture and sale of high-performance networking
products based on Asynchronous Transfer Mode ("ATM") technology. ATM provides
significantly greater scalability and total capacity than conventional
networking technologies. ATM improves the performance of today's network
applications, and also enables new applications that integrate video, audio and
data communications. The Company believes that it currently offers the most
comprehensive ATM product line available, including ForeRunner(R) ATM switches
for enterprise applications, TNX(TM) ATM switches for service provider
applications, PowerHub(R) local area network ("LAN") switches and ES-3810
Ethernet switches for ATM connectivity, ForeRunner ATM adapter cards,
CellPath(TM) wide area network ("WAN") multiplexing products for WAN access,
ForeThought(TM) internetworking software, ForeView(R) network management
software and StreamRunner(TM)ATM video products.
 
     The Company's networking products enable customers to connect computers to
form clusters, workgroups and LANs, to build backbones for enterprise-wide
networks and to provide transparent, end-to-end LAN and WAN connectivity. The
Company's networking products are designed to be both flexible and scalable,
allowing customers to increase the capacity and extend the utility of their
existing networks or to install a new ATM-based network. As of March 31, 1997,
the Company had delivered networking solutions to approximately 4,000 customers,
including Fortune 500 companies, telecommunications service providers,
government agencies, research institutions and universities. The Company markets
its products internationally, and sales outside the United States accounted for
approximately 37%, 39% and 35% of FORE Systems' revenue for the years ended
March 31, 1997, 1996 and 1995, respectively.
 
NETWORKING OVERVIEW
 
BACKGROUND
 
     As the power of personal computers ("PCs"), workstations and network
servers has increased dramatically, these computers have been linked into LANs
to share applications and data. These LANs have, in turn, been linked into WANs
that enable all of the client and server machines in an enterprise to
communicate with each other over enterprise-wide networks.
 
     In addition, the greater computational power of PCs and workstations and
their interconnection into LANs and WANs have made possible new networked
applications, which often require integrated video, audio and data content.
These new applications require large amounts of bandwidth, or network capacity,
and also rely on the network to do more than share information equally
throughout an organization. For effective network usage, the network must have
"smart bandwidth," or the capability to prioritize critical business
applications over less important applications and authorize and "police" users
on these applications at the proper time of day.
 
CONVENTIONAL NETWORKING TECHNOLOGIES
 
     Conventional networking technologies, such as Ethernet, Fast Ethernet,
Token Ring and Fiber Distributed Data Interface ("FDDI"), are often referred to
as shared-medium networking technologies because they require computers to
contend for the total capacity or "bandwidth" of the network. As the number of
computers in the network and the volume of network traffic grow, the performance
of an application is directly impacted because performance depends on the amount
of competition from other computers contending to use the network.
 
     Additionally, the growth of "groupware" applications have brought new
demands to the network infrastructure. The design of conventional networking
technologies, in order to achieve the performance demands of users, assumed that
80% of network traffic would remain in a local subnetwork. As a result, the
application server for such "groupware" applications must be replicated. This
replication of data results in increased bandwidth and network management
requirements. The rise of Internet applications and electronic
 
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commerce are also increasing the demands on the network infrastructure. The move
away from locally oriented, departmentalized mainframe-to-PC connections in the
1970s and 1980s to the creation of enterprise-wide networks, as well as the
advent of Web browsers and "any client to any server" access in the 1990s has
created unpredictable traffic patterns, which make demands on conventional
network technologies that they were not designed to handle. The task of managing
an enterprise network becomes even more difficult and costly when the network
includes WAN links and transmits multiple types of network traffic.
 
     Conventional LAN and WAN networking technologies are faced with the
problems of insufficient bandwidth, administrative burden and incompatibility
between LANs and WANs. The Company believes that only ATM offers the combination
of superior performance, scalable bandwidth, simplicity of management, ability
to link geographically dispersed LANs into an enterprise-wide backbone and use
of a single protocol across LANs and WANs that is necessary to address these
shortcomings.
 
ATM NETWORKING SOLUTIONS
 
     ATM technology transcends many of the limitations imposed by conventional
networking technologies. ATM has been endorsed as a standard by both the
computer and telecommunications industries. It is the only technology that is
not limited in its effectiveness to either LAN or WAN implementations, and is,
therefore, ideally suited to today's business models which tie together networks
both within the enterprise and externally to customers, suppliers and
distributors.
 
     ATM spans LANs and WANs, seamlessly providing a dramatic increase in
bandwidth throughout the network, carrying both LAN and WAN traffic faster than
conventional networking technologies. ATM also provides a flexible platform for
application deployment, transparently tying branch locations into central
headquarters. In addition, because it can seamlessly integrate video, audio and
data traffic, ATM easily accommodates future network growth and expansion.
Because of ATM's long standing acceptance by service provider organizations, it
is also the technology that can connect ATM-based enterprise networks to
ATM-based service provider networks.
 
     An ATM-based network is also significantly easier to configure and
administer than a comparable conventional network. Network capacity can be
increased simply by adding ATM switches, obviating the need for network
segmentation and extensive down-time. ATM seamlessly integrates LANs and WANs,
facilitating the transmission of data from desktop to backbone to wide area and
back to the desktop through a variety of standardized physical interfaces, all
of which support a single set of ATM protocols. ATM is also an enabling
technology, making possible new ways of doing business using network
applications that would be impractical on conventional networks.
 
ATM ARCHITECTURE
 
     In an ATM network, all data is divided into and transported in small,
fixed-size "cells," rather than the larger variable-size "packets" used in
conventional network technologies. Text messages, data files and digitized
images, as well as continuous streams of video and audio, are all converted into
cells for transmission and are reassembled as necessary at their destinations by
ATM adapter cards.
 
     ATM cells are then transmitted from the adapter card in each computer to an
ATM switch, which redirects each cell either through another ATM switch or
directly to its destination. Unlike conventional networks, an ATM network has
sufficient capacity to handle traffic on all of the incoming links
simultaneously, so that the performance of an application is not affected by
unrelated "cross traffic" from other networked computers. ATM technology permits
multiple users to transmit and receive data simultaneously over multiple
"virtual connections" rather than contending for network access. This is similar
to the way a telephone call, once established, is not affected by the number of
other callers using the network at any given time. Each ATM switch is able to
maintain thousands of these virtual connections between pairs of senders and
receivers, thereby supporting the concurrent transmission of data, audio and
video among numerous participants in the network.
 
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     ATM technology can be integrated easily into customers' existing network
environments. ATM switches can serve as the backbone of an enterprise-wide
network, and existing departmental LANs can be connected to the ATM backbone by
means of LAN access switches that support Ethernet, Fast Ethernet and FDDI or
other conventional technologies and convert them to ATM. ATM can form the basis
of a collaborative workgroup comprised of individual PCs, workstations and
servers equipped with ATM adapter cards. In such a workgroup, ATM can serve as a
complete, desktop-to-desktop network solution.
 
     As LAN data, WAN data and WAN voice networks converge, ATM is emerging as
the technology that can provide the network infrastructure to integrate voice,
video and data applications at a high level of performance, capacity and
scalability. The Company believes that the integration of LANs and WANs will
continue and that ATM will be the technology underlying the interactive
broadband architecture of future network environments.
 
STRATEGY
 
     FORE Systems' goal is to enhance its leadership position in the networking
industry by implementing the following strategies:(1)
 
FOCUS ON ATM
 
     FORE Systems is a leader in the ATM market and believes that ATM will be
the core technology underlying switched, enterprise-wide networks and the
convergence of LAN data, WAN data and WAN voice environments in broadband
networks. The Company intends to remain a leader in ATM networking by continuing
to develop new products that use ATM at the core of the multiservice networks of
the future.
 
DELIVERING COST-EFFECTIVE SOLUTIONS
 
     FORE Systems intends to continue to deliver LAN and WAN access products
that provide cost-effective "on-ramps" to ATM. The Company believes that by
offering products that provide a smooth and seamless migration path from
existing networking technologies to ATM, it will speed deployment of ATM and
enable customers to enjoy the benefits of ATM without sacrificing their
investment in legacy equipment. To that end, FORE Systems offers a complete line
of LAN switching products, including the PowerHub family of multilayer LAN
switching products and the ES-3810 Ethernet switch that smooth the migration
from legacy networks to ATM backbones. FORE Systems also offers CellPath WAN
multiplexing products and StreamRunner ATM video products that allow customers
to consolidate voice, video and data applications over a single cost-saving
multiservice network.
 
ACQUISITIONS
 
     In response to evolving market needs, the Company has made, and may
continue to make, acquisitions that add products and technologies and enhance
the Company's ability to offer customers a smooth migration path to ATM. The
Company completed three acquisitions in fiscal 1997, each of which provided the
Company with products or technology that extended the "on-ramps" to ATM. The
Company acquired Cadia Networks, Inc., an innovator in the development of
multi-service WAN adaptation and concentration technology for the service
provider market, including high density, carrier-class access technology;
Nemesys Research Limited, a developer and manufacturer of ATM video distribution
and video conferencing products, enabling end-to-end voice and video solutions
for image-intensive applications; and Scalable Networks, Inc., a developer of
innovative high-performance Fast Ethernet and Gigabit Ethernet switching
technology directed to gaining cost-effective desktop and server connections to
ATM backbone networks.
 
- ---------------
 
    1 Certain statements made herein and elsewhere in this report concerning
technology, markets, products, strategies and other matters are forward-looking
statements and should be read in conjunction with the risk factors that begin on
page 9 of this Annual Report on Form 10-K and under the captions "Competition,"
"Manufacturing" and "Intellectual Property" in the description of the Company's
business.
 
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STRATEGIC ALLIANCES
 
     To expand its market reach, the Company plans to continue to form strategic
alliances with original equipment manufacturers, third-party application
developers, distributors and resellers. The Company's ForeThought partners
program now includes more than 40 companies with whom FORE Systems is working to
accelerate the deployment of ATM across a variety of application areas. These
application areas include LAN and WAN data, WAN voice transmission, embedded ATM
applications and residential and corporate broadband applications. The Company
believes that the ForeThought partners program helps to spread the influence of
its ATM technology across many sectors of the networking market.
 
PRODUCTS
 
     FORE Systems' products work together to provide a complete ATM
internetworking solution. These products include the ForeRunner ATM switches for
enterprise applications, PowerHub LAN switches and ES-3810 Ethernet switches for
ATM connectivity, ForeRunner ATM adapter cards, CellPath WAN multiplexing
products for WAN access, ForeThought internetworking software, ForeView network
management software and StreamRunner ATM video products. In May 1997, the
Company announced a new line of ATM products for the service provider market.
 
FORERUNNER ATM SWITCHES AND ADAPTER CARDS
 
     The Company offers the ForeRunner family of ATM switches for use in
workgroup, LAN backbone and WAN applications. As of March 31, 1997, the
installed base of ForeRunner ATM switches consisted of approximately 160,000
ports.
 
     ForeRunner ATM switches provide a non-blocking switch capacity that ranges
from 2.5 to 10 gigabits per second (Gbps) for up to 96 connections. In each
case, the ATM connections can be made with a variety of physical media
interfaces and speeds. The supported media include UTP-5 copper wire and
multimode and single mode fiber optic cabling. The supported speeds for
ForeRunner ATM switches used in workgroup and LAN backbone applications are 25
megabits per second (Mbps), OC3 (155 Mbps) and OC12 (622 Mbps), and for those
used in WAN applications, T1, E1, DS3, E3, OC3 and OC12. Any of the switch ports
can be connected to another ATM switch so that a large network can be
constructed from a "mesh" of ATM switches. ForeRunner ATM switches include
integral control processors that run the Company's ForeThought switch control
software. The compact size and low power consumption enable them to be easily
installed in wiring closets.
 
     The Company's modular ATM switches are designed to accept a family of LAN
and WAN network modules that provide high-speed communications from the desktop
to the WAN. Network modules are hot-swappable and can be upgraded in the field
to accommodate different physical media and link speeds.
 
     ForeRunner ATM adapter cards allow computers to communicate over ATM
networks. The Company offers ATM adapter card products for a wide array of
platforms. The Company currently offers ForeRunner ATM cards for all major Unix
and PC platforms, including Windows 95, Windows NT and Apple Macintosh. The
Company's ForeRunner 200E-Series of high-performance adapter cards are optimized
for network servers and feature advanced cell processing architecture. The
Company's ForeRunner LE(TM) Series adapter cards are optimized for desktop
client machines.
 
POWERHUB LAN SWITCHES
 
     The PowerHub line of LAN switches combines bandwidth capability, flexible
connectivity and high-performance bridging and routing, enabling customers to
migrate to ATM without sacrificing their investment in their existing LANs. The
PowerHub product line provides flexible, intelligent switching for Ethernet,
Fast Ethernet, FDDI and ATM networks. The PowerHub's innovative backplane
provides cost-effective expansion capabilities in addition to hot-swappable
modules and redundant power supplies for reliability. The PowerHub's features
also include full-featured bridging, multiprotocol routing and virtual LAN
capability.
 
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ES-3810 ETHERNET SWITCHES
 
     The ES-3810 Ethernet switches offer flexible solutions for switched
workgroups by providing a wide range of switched Ethernet and ATM connectivity
options. The ES-3810 provides ATM uplinks and OC3 connectivity for multimode and
singlemode fiber and copper media. The ES-3810 also provides dedicated 10 Mbps
and 100 Mbps switching.
 
ATM VIDEO PRODUCTS
 
     The StreamRunner ATM video products provide ATM video distribution and
video conferencing capabilities and include a range of ATM video encoders and
decoders. These devices transmit high quality video over ATM networks, enabling
low-delay transmission of such image intensive applications as distance
learning, telemedicine, video distribution, video conferencing and remote site
monitoring.
 
CELLPATH WAN MULTIPLEXERS
 
     The CellPath line of WAN multiplexers extends the reach of ATM to non-ATM
sites and applications. These products adapt and aggregate traffic from PBXs,
routers and videoconferencing equipment onto wide area transmission lines.
CellPath products are available for low and moderate traffic requirements and
for high-end application support.
 
FORETHOUGHT INTERNETWORKING SOFTWARE AND FOREVIEW NETWORK MANAGEMENT SOFTWARE
 
     The Company believes that the quality of its ATM software has been, and
will continue to be, a significant factor in differentiating its products from
those of other vendors. The Company's ForeThought internetworking software
products include ATM switch control software and device driver software for the
Company's ATM adapter cards. ForeThought software supports ATM Forum standards
and also offers additional functionality and is at the heart of the Company's
entire product line.
 
     The Company's ForeView network management software offers a graphical,
front-panel interface to monitor and configure virtual channels and paths,
configure port hardware, monitor line errors, set line loopbacks, collect
network usage information and manage virtual LANs. ForeView network management
software can be integrated with HP OpenView, Cabletron Spectrum and SunNet
Manager, or can run standalone on a variety of platforms.
 
SERVICE PROVIDER ATM PRODUCTS
 
     In May 1997, the Company announced the introduction of the TNX line of ATM
switches and the MSC-900(TM) multiservice concentrator. These new products,
which became available in June 1997, enable broadband based-services such as
high speed Internet access, web hosting, video on demand and distance learning.
These products will be used by Competitive Access Providers (CAPs), cable
companies, Internet Service Providers (ISPs), Competitive Local Exchange
Carriers (CLECs), Interexchange and Local Exchange Carriers.
 
     The TNX products are NEBS-compliant, non-blocking ATM switches that scale
from 2.5 gigabits per second (Gbps) to 10 Gbps. The products' deployment can
vary from customers that build fault tolerant, multiservice ATM backbone
networks consolidating multiple overlay networks to those customers that have
small central offices and service extensions to customer premises or remote
points of presence.
 
     The MSC-900 is a multiservice concentrator designed to reduce the costs of
provisioning narrowband and broadband services while enabling the consolidation
of ATM and non-ATM services onto a common ATM core network.
 
MARKETS AND CUSTOMERS
 
     The Company's networking solutions address a broad market for switched
networking products. As of March 31, 1997, approximately 4,000 customers
worldwide had purchased FORE Systems' products.
 
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     Revenue from United States government customers represented 9%, 7% and 7%
of the Company's revenue for the years ended March 31, 1997, 1996 and 1995,
respectively. These United States government customers include more than twenty
different agencies, each of which makes its own procurement decisions. During
the years ended March 31, 1997, 1996 and 1995, no single customer accounted for
10% or more of the Company's revenue.
 
CUSTOMER SERVICE AND SUPPORT
 
     The Company is dedicated to providing comprehensive customer support. The
Company's technical support staff is expert in a wide variety of hardware and
software networking environments and offers support services to customers on
many different computing platforms. The Company's support organization, which is
available at the customer's site, as well as by telephone, facsimile, pager and
electronic mail, assists customers in resolving ATM adoption issues and in
understanding the interaction of the Company's ATM solutions with other
networking products and with a variety of computing platforms. The Company's
support services are available on an ongoing basis to customers who enter into
service agreements, typically for renewable one-year periods. Support engineers
are based at the Company's headquarters facility in suburban Pittsburgh and at
certain of its field offices. In order to provide rapid response to customers'
needs, the Company has enhanced the scope of its technical support services
offerings by entering into agreements with several third party technical support
services and spare parts warehousing management providers. These third party
vendors provide support engineers who are based near customer locations or
manage remote spare parts inventory locations.
 
MARKETING, SALES AND DISTRIBUTION
 
     The Company believes that the purchasing decisions of customers in
networking markets are based largely upon technological features,
interoperability with other vendors' equipment, vendor reputation and price.
Customers' purchasing decisions are also influenced by different factors
depending upon the functions the network products are expected to perform. For
example, while customers for ATM-based backbone products generally focus upon
technological features and interoperability, customers for ATM WAN products are
influenced by certification by wide area service vendors and purchasers who buy
ATM desktop connectivity products are motivated by the ability of the products
to support specific, high-performance applications.
 
     To reach customers in each of these markets, the Company devotes
significant effort to publicizing the benefits of ATM networking technology. The
Company attends relevant industry trade shows, advertises in trade publications,
mails product information to targeted potential customers, conducts
telemarketing campaigns and deploys its sales force to market its products
directly to end-users of the Company's products. The Company also participates
in industry associations and standards-setting bodies such as the ATM Forum and
the Gigabit Ethernet Alliance. In addition, the Company conducts training and
educational seminars for customers and distributors.
 
     The Company plans to expand its North America direct sales and marketing
operations. As of March 31, 1997, the Company maintained a sales force of
approximately 225 sales specialists in its headquarters in suburban Pittsburgh
and in its domestic and foreign offices. These specialists call directly on
current and potential customers to evaluate their networking needs and to
recommend the Company's products. The Company also plans to continue to expand
its North American Channel Partners Program. Initiated in fiscal 1996, this
program includes various types of resellers, including network integrators,
system integrators, telecommunication's service providers, LAN value added
resellers and distributors, each of which expands the Company's access to
specialized markets. Internationally, the Company plans to continue to add
third-party channel distributors. As of March 31, 1997, the Company had 104
independent distributors in the United States and 67 countries around the world.
 
     For the years ended March 31, 1997, 1996 and 1995, the Company's sales
outside the United States accounted for approximately 37%, 39% and 35% of
consolidated revenue, respectively. See Note 13 of the Notes to Consolidated
Financial Statements included elsewhere in this Annual Report on Form 10-K for a
 
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geographic breakdown of the Company's product revenue from sales to customers
outside the United States for the years ended March 31, 1997, 1996 and 1995.
 
COMPETITION
 
     The networking industry is intensely competitive. Many networking
companies, including 3Com Corporation, Bay Networks, Inc., Cabletron Systems,
Inc., Cisco Systems, Inc., Ascend Communications Inc. and Newbridge Networks
Corporation, and certain computer companies, including Digital Equipment
Corporation, NEC Corporation and International Business Machines Corporation,
sell, or have announced their intention to develop, networking products that
are, or will be, competitive with the Company's products. In addition, other
companies, such as central-office equipment vendors, long-distance carriers and
cable television operators, may seek to apply their communications expertise to
the markets served by the Company. Many of these current and prospective
competitors have greater name recognition, a larger installed base of networking
products, more extensive engineering, manufacturing, marketing and distribution
capabilities and greater financial, technological and personnel resources than
does the Company.
 
     The Company expects price competition to persist in the networking
industry. The Company has lowered prices on a regular basis and added new
products and features without increasing prices. There can be no assurance that
the Company will be able to compete in such a price environment. If such pricing
pressures are not mitigated by cost reduction or changes in product mix, the
Company's business, results of operations and financial condition could be
materially adversely affected.
 
BACKLOG
 
     The Company manufactures its products based upon its forecast of customers'
demand and maintains inventories of finished products in advance of receiving
firm orders from customers. Orders are generally placed by customers on an
as-needed basis and products are shipped within one to four weeks following
receipt of an order. In general, customers may cancel or reschedule orders
without penalty. Accordingly, the Company does not maintain a substantial
backlog, and backlog as of any particular date may not be indicative of sales in
any succeeding period.
 
MANUFACTURING
 
     The Company's manufacturing operations consist primarily of final assembly,
testing and quality control of subassemblies and finished units. Materials used
by the Company in its manufacturing processes include semiconductors such as
microprocessors, memory chips and other integrated circuits, printed circuit
boards, power supplies and enclosures. The Company plans to use third-party,
"turnkey" manufacturing arrangements to produce certain products in order to
benefit from the reduced unit costs available to such manufacturers for
commodity components and to improve the Company's ability to fill an increasing
volume of orders in a timely fashion.
 
     The Company recently opened its first international manufacturing facility
in Dublin, Ireland which commenced manufacturing and shipping products to
international customers in May 1997. The Company believes that this new facility
will enable it to improve international customer support services, reduce costs
to customers, strengthen the Company's manufacturing operations and reduce the
Company's income tax expenses. The costs associated with starting this facility
were recorded during the year ended March 31, 1997.
 
     All of the materials used in the Company's products are purchased under
contracts and purchase orders with third parties. While the Company believes
that many of the materials used in the production of its products are generally
readily available from a variety of sources, certain components are available
from one or a limited number of suppliers. Among these sole- or limited-source
components are microprocessors (obtained from Intel Corporation), memory chips
(obtained from Integrated Device Technologies, Inc., Micron Semiconductor,
Samsung Semiconductor, Inc., Advanced Micro Devices and Cypress Semiconductor
Corporation), ATM framing, segmentation and reassembly chips (obtained from
PMC-Sierra, Inc., LSI Logic Corporation and Integrated Device Technologies,
Inc., respectively), pre-formed enclosures (obtained from Electronic
Manufacturing Systems and Electro Space Fabricators), optical data links
(obtained from
 
                                        8
<PAGE>   9
 
Hewlett-Packard Components) and Application Specific Integrated Circuits
("ASICs") (obtained from Toshiba America Electronic Components, Inc., LSI Logic
Corporation and Lucent Technologies).
 
     The lead times for delivery of certain of these components, including
ASICs, can be at least twelve weeks. If the Company fails to forecast its
requirements accurately for such long lead-time components, then it may
experience shortages which could result in product shipment delays which would
adversely affect the Company.
 
RESEARCH AND PRODUCT DEVELOPMENT
 
     In the years ended March 31, 1997, 1996 and 1995, the Company incurred
costs of approximately $55,217,000, $31,212,000 and $13,054,000 (14.0%, 13.3%
and 12.3% of revenue), respectively, for research and development activities. At
March 31, 1997, the Company had an engineering staff of 458, located at its
suburban Pittsburgh headquarters, and in its offices in the Boston, MA, San
Jose, CA, Washington, D.C. and Cambridge, England areas.
 
INTELLECTUAL PROPERTY
 
     While the Company believes that its success is ultimately dependent upon
its ability to innovate and to enhance its presence in the networking market,
its capacity to compete successfully in that market also depends upon its
ability to protect proprietary technology contained in its products. The Company
currently relies upon a combination of patent, trade secret, copyright and
trademark laws and contractual restrictions to establish and protect proprietary
rights in its products. The Company has also entered into confidentiality and
invention assignment agreements with its employees and enters into
non-disclosure agreements with its suppliers, distributors and appropriate
customers so as to limit access to and disclosure of its proprietary
information. There can be no assurance that these statutory and contractual
arrangements will prove sufficient to deter misappropriation of the Company's
technologies or independent third-party development of similar technologies. The
development of alternative, proprietary ATM and other technologies by third
parties could adversely affect the competitiveness of the Company's products.
Further, the laws of some countries do not provide the same degree of protection
of the Company's proprietary information as do the laws of the United States.
Finally, the Company's adherence to industry-wide technical standards and
specifications may limit the Company's opportunities to provide proprietary
product features capable of protection.
 
     The Company, like other companies in the networking industry, is also
subject to the risk of litigation alleging infringement of third-party
intellectual property rights. There can be no assurance that the Company will
not be subject to such litigation with respect to current or future products.
Any such claims could require the Company to expend significant sums in
litigation, pay damages, develop non-infringing technology or acquire licenses
to third party technology.
 
EMPLOYEES
 
     At March 31, 1997, the Company employed 1,361 individuals on a full-time
basis. Of these, 458 were involved in engineering, 585 were employed in sales,
marketing and customer support, 162 were engaged in manufacturing and the
remaining 156 were devoted to executive management, administration, finance and
strategic planning. The Company considers its relations with its employees to be
good and has not experienced any interruption of operations as a result of labor
disagreements.
 
                              CERTAIN RISK FACTORS
 
     The following risk factors, in addition to the risks described elsewhere in
the description of the Company's business in this report, including, without
limitation, those described under the captions "Competition," "Intellectual
Property" and "Manufacturing," may cause actual results to differ materially
from those in any forward-looking statements contained in such business
description or elsewhere in this report or made in the future by the Company or
its representatives:
 
                                        9
<PAGE>   10
 
SUBSTANTIAL DEPENDENCE ON ATM
 
     ATM is an industry standard for high-speed local-area and wide-area
networking. Although many network equipment suppliers have introduced or
announced plans to introduce ATM-based products and a number of public carriers
have implemented or announced plans to implement ATM services, ATM has not yet
achieved broad commercial acceptance. Sales of ATM networking products and
related services have represented, and are expected to continue to represent, a
substantial portion of the Company's revenue for the foreseeable future. The
Company's business strategy is based on the belief that ATM will be the
technology underlying switched enterprise-wide networks as well as the
interactive broadband architecture of future network environments. Accordingly,
the Company's business opportunities and results of operations will be dependent
on continued growth and market acceptance of ATM technology and in the ability
of the Company to offer products that provide a smooth and seamless migration
path from existing networking technologies to ATM. In the event that other
networking technologies gain competitive advantages over ATM, or networking
products based on ATM fail to achieve broad commercial acceptance, the Company
would be materially adversely affected.
 
DECLINE IN GROWTH RATE
 
     Although the Company and the networking industry have historically
experienced increasing sales on an annual basis, the rate of growth in revenue
of the networking industry and the Company appears to have slowed. The Company's
revenue for the fourth quarter of fiscal 1997 totaled $101.3 million or an
increase of 35% over the previous year's fourth quarter revenue. By contrast, in
the fourth quarter of fiscal 1996, revenue had increased by approximately 100%
over the fourth quarter of the previous year. In addition, revenue in the fourth
quarter of fiscal 1997 was lower than revenue in the third quarter of fiscal
year 1997. The Company's rate of growth in revenue in the fourth quarter of its
1997 fiscal year was adversely affected by several factors, including increased
competition in the switched networking segment of the networking industry,
longer sales cycles for the larger deals for which the Company competes and
slower sales growth in international markets. Due to these and other factors,
the Company expects that, in the future, its revenue may grow at a slower rate
than was experienced in previous periods.
 
INDUSTRY CONSOLIDATION
 
     The networking industry is currently undergoing a period of consolidation
in which companies, including some of the Company's major competitors, are
participating in business combinations and acquisitions thereby creating
companies with larger market shares, customer bases, sales forces, product
offerings and technology and marketing expertise. There can be no assurance that
the Company will be able to compete successfully in such an environment.
 
MANAGEMENT OF GROWTH
 
     The Company's growth, both in sales and in the number of its employees, has
placed and could continue to place a significant strain on its resources.
Certain of the Company's senior management and other key employees have not had
previous experience in managing a large company. The integration of ALANTEC
Corporation, which was acquired by the Company in February 1996, in addition to
the integration of three smaller companies, acquired during the 1997 fiscal
year, has required, and will continue for the foreseeable future to require,
substantial attention from senior management and key employees of the Company.
In addition, the Company may in the future acquire additional businesses,
products or technologies. There can be no assurance that the Company will be
able to manage its expansion or integrate the operations of any businesses,
products or technologies it has acquired or may in the future acquire; the
failure to do so could materially adversely affect the Company.
 
EVOLVING INDUSTRY STANDARDS AND RAPID TECHNOLOGICAL DEVELOPMENT
 
     The markets for the Company's products are characterized by evolving
industry standards and rapid technological development. The Company's success
will depend, in part, upon its ability to influence the
 
                                       10
<PAGE>   11
 
development of industry standards, to maintain its technological leadership, to
enhance and expand its existing product offerings and to develop in a timely
manner new products which achieve market acceptance. The Company believes that
its ability to compete successfully is also dependent upon the continued
compatibility and interoperability of its products with products and
architectures offered by various vendors and on the timely development of
industry standards. There can be no assurance that the Company will be able
effectively to address the compatibility and interoperability issues raised by
technological changes or that new industry standards will be developed in a
timely manner. The Company would be materially adversely affected if it were to
incur significant delays or be unsuccessful in developing new products or
enhancements, if any such products or enhancements did not gain market
acceptance or if a delay in the creation of industry standards resulted in
customers deciding not to deploy ATM in their networks or to delay such
deployment. In addition, there can be no assurance that products or technologies
developed by others will not render the Company's products noncompetitive or
obsolete.
 
DEPENDENCE ON KEY PERSONNEL
 
     The Company's success to date has been significantly dependent on the
contributions of certain key personnel, and the loss of the services of one or
more of them could have a material adverse effect on the Company. The Company
believes that its future success will depend not merely on retaining its key
personnel, but also upon its ability to attract and retain additional
highly-skilled technical, managerial, manufacturing, sales and marketing
personnel. Competition for such personnel is intense. There can be no assurance
that the Company will be able to anticipate accurately, or to obtain, the
personnel that it may require in the future. The failure to obtain needed
personnel, when and as needed, could have a material adverse effect on the
Company.
 
DEPENDENCE ON CUSTOMERS
 
     Revenue from United States government agencies represented approximately
9%, 7% and 7% of the Company's revenue on a consolidated basis for the years
ended March 31, 1997, 1996 and 1995, respectively. These United States
government customers include more than twenty different agencies, each of which
makes its own procurement decisions. These government customers may from time to
time reduce their budgets and expenditures or cancel orders. In addition,
current Congressional initiatives to balance the federal budget could curtail
spending of government agencies in a manner which may lead such customers to
reduce their expenditures for the Company's products. Reductions in sales to
current customers, if not offset by sales to new or existing customers, could
have a material adverse effect on the Company.
 
INTERNATIONAL SALES, REGULATORY STANDARDS AND CURRENCY EXCHANGE
 
     International sales accounted for 37%, 39% and 35% of the Company's revenue
on a consolidated basis for the years ended March 31, 1997, 1996 and 1995,
respectively. The Company expects that international sales will continue to be a
significant portion of its business as it seeks to expand its international
presence. However, in the fourth quarter of fiscal 1997, the Company experienced
slower sales in certain international markets and there can be no assurance that
the Company's revenue from international sales will continue to constitute a
significant portion of its business; a decline in international sales could have
a material adverse effect on the Company. In addition, while the Company's
current products are designed to meet relevant regulatory requirements of
foreign markets in which they are sold, any inability to obtain any required
foreign regulatory approvals on a timely basis could have a material adverse
effect on the Company. Additionally, the Company's international business may be
adversely affected by changes in demand resulting from fluctuations in currency
exchange rates and local purchasing practices, including seasonal fluctuations
in demand and slower payment of invoices, as well as by risks such as increases
in duty rates, difficulties in distribution and constraints upon international
trade.
 
EFFECT OF ECONOMIC AND MARKET CONDITIONS
 
     Sales of networking products fluctuate, from time to time, based on
numerous factors, including customers' capital spending levels and general
economic conditions. Future declines in networking product
 
                                       11
<PAGE>   12
 
sales, as a result of general economic conditions or for any other reason, could
have a material adverse effect on the Company.
 
POTENTIAL FLUCTUATIONS IN OPERATING RESULTS
 
     The Company may experience fluctuations in operating results, both on an
annual and a quarterly basis, caused by various factors, including general
economic conditions, specific economic conditions in the networking industry,
the size and timing of customer orders, the pattern and seasonality of customer
purchasing cycles, the introduction of new technologies and products by the
Company or its competitors, the mix of products sold and the mix of product
channels through which products are sold. In addition, as a strategic response
to a changing competitive environment, the Company may elect, from time to time,
to make certain pricing, product or marketing decisions, and any such decisions
could have a material adverse effect on its periodic results of operations.
 
POTENTIAL VOLATILITY OF STOCK PRICE
 
     The market price of the Company's Common Stock has been and may continue to
be volatile. Factors such as fluctuations in the Company's operating results,
both sequentially and in year-over-year comparisons, announcements of
technological innovations or new products by the Company or its competitors,
developments with respect to patents or proprietary rights, changes in financial
estimates by, or expectations or recommendations of, securities analysts,
general market conditions and sales of substantial amounts of the Company's
Common Stock in the public market, or the prospect of such sales, may have a
significant effect on the market price of its Common Stock. Stock price
fluctuations could affect the Company's operations by making it more difficult
to attract and retain qualified personnel or complete business acquisitions in
the future.
 
ANTITAKEOVER EFFECT OF CERTAIN CHARTER, BY-LAW AND OTHER PROVISIONS
 
     Certain provisions of the Company's Amended and Restated Certificate of
Incorporation, as amended, and Second Amended and Restated By-laws and Delaware
law could have the effect of making it more difficult for a third party to
acquire, or of discouraging a third party from attempting to acquire, control of
the Company. Such provisions could limit the price that certain investors might
be willing to pay in the future for shares of the Company's Common Stock.
Certain of such provisions allow the Company to issue preferred stock with
rights senior to those of the Common Stock and impose various procedural and
other requirements which could make it more difficult for stockholders to effect
certain corporate actions.
 
ITEM 2. PROPERTIES.
 
     The Company's principal offices are located in newly-built headquarters and
operating facilities in Warrendale, Pennsylvania (a suburb of Pittsburgh). These
facilities and an additional building under construction total approximately
300,000 square feet. The Company is leasing the facilities under a ten-year
operating lease and has options to renew the lease for two additional five-year
terms. See Note 14 of the Notes to Consolidated Financial Statements included
elsewhere in this report for a description of these agreements. The Company also
leases two nearby facilities totaling an additional 160,000 square feet.
Approximately 69% of the space in all of the foregoing facilities is used or
reserved for manufacturing, engineering, product development and testing. The
balance of the space is used or reserved for sales, marketing and other general
administrative activities. The Company also leases facilities in various parts
of the United States and in foreign countries. Included among those facilities
are regional offices located in San Jose, CA, Boxborough, MA, Bethesda, MD, New
York, NY, London, England and Tokyo, Japan. Also, during fiscal 1997, the
Company entered into an agreement to lease a manufacturing facility in Dublin,
Ireland. The Company believes that its present facilities are well maintained
and in good operating condition.
 
                                       12
<PAGE>   13
 
ITEM 3. LEGAL PROCEEDINGS.
 
     In February 1997, ALANTEC Corporation ("ALANTEC"), a wholly-owned
subsidiary of the Company, contributed $7.5 million as a portion of a settlement
entered into by three former directors and several former stockholders of
ALANTEC ("Defendants") in a suit brought in 1994 by two founders of ALANTEC. The
plaintiffs sought damages for alleged breaches of fiduciary duties by the
Defendants in 1991. Although ALANTEC was not a party to the lawsuit, it had
certain indemnification obligations to the former directors under its former
bylaws and indemnification agreements. The settlement avoids further litigation
with respect to those indemnification obligations.
 
ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.
 
     Not Applicable.
 
                                       13
<PAGE>   14
 
                      EXECUTIVE OFFICERS OF THE REGISTRANT
 
     The following table sets forth certain information regarding the executive
officers of the Company:(2)
 
<TABLE>
<CAPTION>
            NAME            AGE                            POSITION
     ------------------     ---    --------------------------------------------------------
     <S>                    <C>    <C>
     Eric C. Cooper         38     Chairman, Chief Executive Officer and a Director
     Onat Menzilcioglu      38     President and a Director
     Thomas J. Gill                Chief Operating Officer, Chief Financial Officer and
                            39     Treasurer
     Michael I. Green       49     Vice President of Worldwide Sales
</TABLE>
 
     Dr. Cooper is a co-founder of the Company and has served as Chairman and
Chief Executive Officer and as a director since April 1990. Dr. Cooper served as
President from April 1990 until December 1994. Prior to co-founding the Company,
Dr. Cooper was a faculty member at Carnegie Mellon University. Dr. Cooper
received his Ph.D. in Computer Science from the University of California at
Berkeley in 1985.
 
     Dr. Menzilcioglu is a co-founder of the Company and has served as a
director since April 1990. Dr. Menzilcioglu served as Vice President of
Engineering from June 1990 until December 1994 and has served as President since
December 1994. Prior to co-founding the Company, Dr. Menzilcioglu was a member
of the Computer Science research faculty of Carnegie Mellon University where he
received his Ph.D. in Computer Engineering in 1988.
 
     Mr. Gill has served as Chief Operating Officer since January 1997 and has
been Vice President of Finance, Chief Financial Officer and Treasurer of the
Company since December 1993. From February 1993 to December 1993, he served as
Treasurer and Controller of the Company. Prior to joining the Company, Mr. Gill
was employed in various financial capacities by Cimflex Teknowledge Corporation
(a supplier of factory automation systems and software), most recently as Vice
President of Finance and Treasurer.
 
     Mr. Green has served as Vice President of Worldwide Sales of the Company
since January 1997, served as Vice President of Sales and Marketing from May
1995 to January 1997, Vice President of Sales from April 1993 to May 1995 and
was the Company's Director of Sales from April 1992 to April 1993. From February
1989 to April 1992, Mr. Green was a Sales Manager at Ultra Network Technologies
(a provider of networking equipment). Prior to February 1989, Mr. Green was
Federal Regional Manager and Southeast Regional Manager of Network Systems Corp.
(a provider of networking equipment).
 
- ---------------
 
    2 On April 1, 1997, each of Dr. Robert D. Sansom and Mr. Francois J. Bitz
resigned his position as Vice President of Engineering. Dr. Sansom was named to
the non-officer position of Vice President of Architecture and Mr. Bitz was
named to the non-officer position of Vice President of Advanced Product
Development.
 
                                       14
<PAGE>   15
 
                                    PART II
 
ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS.
 
     The Common Stock of the Company is traded on the Nasdaq National Market
under the symbol "FORE." The following table sets forth the range of high and
low sale prices of the Common Stock as reported on the Nasdaq National Market
for the fiscal periods indicated. The information set forth in the table has
been adjusted retroactively to reflect a two-for-one stock split which occurred
on June 3, 1996.
 
<TABLE>
<CAPTION>
    Fiscal 1996:                                                        HIGH         LOW
                                                                       -------     -------
    <S>                                                                <C>         <C>
      First Quarter (ended June 30, 1995)...........................   $20.000     $12.750
      Second Quarter (ended September 30, 1995).....................   $21.000     $14.875
      Third Quarter (ended December 31, 1995).......................   $33.875     $15.375
      Fourth Quarter (ended March 31, 1996).........................   $37.500     $23.375
 
    Fiscal 1997:                                                        HIGH         LOW
                                                                       -------     -------
      First Quarter (ended June 30, 1996)...........................   $44.750     $27.250
      Second Quarter (ended September 30, 1996).....................   $43.625     $23.500
      Third Quarter (ended December 31, 1996).......................   $43.500     $30.375
      Fourth Quarter (ended March 31, 1997).........................   $36.000     $14.375
</TABLE>
 
     The approximate number of record holders of the Company's Common Stock as
of May 30, 1997 was 1,820.
 
     The Company has not paid cash dividends on its Common Stock since its
inception. The Company currently intends to retain earnings for development of
its business and, therefore, does not anticipate paying any cash dividends in
the foreseeable future. The declaration and payment by the Company of any future
dividends and the amount thereof will depend upon the Company's results of
operations, financial condition, cash requirements, future prospects,
limitations imposed by credit agreements or senior securities and other factors
deemed relevant by the Board of Directors.
 
ITEM 6. SELECTED FINANCIAL DATA.
 
Financial Highlights
<TABLE>
<CAPTION>
                                                           YEAR ENDED MARCH 31
                                        ----------------------------------------------------------
                                          1997         1996         1995        1994        1993
                                        --------     --------     --------     -------     -------
                                           (IN THOUSANDS, EXCEPT FOR SHARE AND PER-SHARE DATA)
<S>                                     <C>          <C>          <C>          <C>         <C>
Revenue.............................    $395,347     $235,189     $106,188     $39,340     $12,527
Gross profit........................    $226,229     $136,523     $ 60,991     $24,188     $ 7,744
Merger-related expenses.............    $  1,747     $ 29,375     $     --     $    --     $    --
Income (loss) from operations.......    $ 61,322     $ 10,648     $ 16,061     $ 4,689     $(1,253)
Litigation settlement charges.......    $ (8,257)    $     --     $     --     $    --     $    --
Net income (loss)...................    $ 41,470     $  9,737     $ 12,860     $ 3,678     $(1,367)
Net income per common share.........    $   0.41     $   0.11     $   0.18     $  0.06*    $    --
Weighted average common and common
  equivalent shares outstanding.....  99,948,902   86,432,248   73,481,490  59,298,000*      --
Total assets........................    $538,577     $424,362     $131,482     $59,026     $14,794
Redeemable preferred stock..........    $     --     $     --     $     --     $ 5,500     $14,842
</TABLE>
 
- ------------
 
* Based on pro forma weighted average common and common equivalent shares
outstanding
 
                                       15
<PAGE>   16
 
ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS.
 
RESULTS OF OPERATIONS
 
GENERAL
 
     FORE Systems is a leader in the design, development, manufacture and sale
of high-performance networking products based on ATM technology. ATM provides
dramatically greater scalability and total capacity than conventional networking
technologies. ATM improves the performance of today's network applications, and
also enables new applications, including integrated video, audio and data
communications. The Company believes that it currently offers the most
comprehensive ATM product line available including ForeRunner ATM switches for
enterprise applications, TNX ATM switches for service provider applications,
PowerHub LAN switches and ES-3810 Ethernet switches for ATM connectivity,
ForeRunner ATM adapter cards, CellPath WAN multiplexing products for WAN access,
ForeThought internetworking software, ForeView network management software and
StreamRunner ATM video products.
 
     In November 1996, the Company acquired Nemesys Research Limited
("Nemesys"), a supplier of ATM video distribution and video conferencing
products, including a range of ATM video encoders and decoders. Also, in
November 1996, the Company acquired Scalable Networks, Inc. ("Scalable"), a
developer of high-performance, switched Fast Ethernet desktop and Gigabit
Ethernet switching technology directed to gaining cost-effective desktop and
server connections to ATM backbone networks. In December 1996, the Company
acquired Cadia Networks, Inc. ("Cadia"), a developer of multiservice WAN
adaptation and concentration technology for the service provider market. Each of
these business combinations has been accounted for as a pooling of interests.
The aggregated historical results of operations and financial position of
Nemesys, Scalable and Cadia are not material to the Company's consolidated
financial statements and prior period amounts have, therefore, not been
restated.
 
     In view of the Company's growth, the Company believes that period-to-period
comparisons of its financial results are not necessarily meaningful as an
indication of future performance. In addition, the Company's results of
operations may fluctuate from period to period in the future.
 
YEAR ENDED MARCH 31, 1997 COMPARED WITH YEAR ENDED MARCH 31, 1996
 
     Revenue.  Revenue increased by 68% to $395.3 million for the year ended
March 31, 1997, as compared with $235.2 million in the previous year. The
distribution of revenue from sales to domestic and foreign customers in the year
ended March 31, 1997 was 63% and 37%, respectively. This compares to 61% and
39%, respectively, in the previous year. The increase in domestic revenue
dollars was attributable to the increased market acceptance of ATM and LAN
switching products. The increase in foreign revenue in dollars resulted from the
Company's expansion of its international distribution channels and to growing
acceptance of ATM and LAN switching products. In the fourth quarter of fiscal
year 1997, the Company experienced slower sales in certain international markets
and there can be no assurances that the Company's revenue from international
sales will continue to constitute the same historical percentage of revenue as
experienced in previous fiscal years.
 
     The Company measures overall unit volume for its ATM switching products
based on the number of ATM ports, or network connections, shipped. The total
number of ATM ports shipped in the year ended March 31, 1997 was 95,500, as
compared with 44,500 in the previous year. The total installed base of ATM ports
as of March 31, 1997 was over 160,000, as compared with approximately 65,000 as
of March 31, 1996. The total number of LAN switching ports shipped in the year
ended March 31, 1997 was 291,000; no comparison can be provided with fiscal 1996
because ALANTEC Corporation ("ALANTEC") did not compile LAN switch product data
by port in fiscal 1996. The total number of LAN switching products shipped in
the year ended March 31, 1997 was over 8,700, as compared with over 3,400 in the
previous year. The total number of adapter cards shipped in the year ended March
31, 1997 was 34,000, as compared with approximately 18,600 in the previous year.
The total installed base of adapter cards as of March 31, 1997 was over 62,000,
as compared with approximately 28,000 as of March 31, 1996. In the year ended
March 31, 1997, revenue mix, as a percentage of total revenue, among ATM
switching products, LAN switching products,
 
                                       16
<PAGE>   17
 
adapter cards and other revenue (principally service support and development
contracts) was 51%, 35%, 5% and 9%, respectively. Revenue mix for the previous
year was 53%, 32%, 7% and 8%, respectively. Average selling price per ATM port
during the year ended March 31, 1997 was $2,100, as compared with $2,800 in the
previous year. Average selling price for adapter cards shipped during the year
ended March 31, 1997 was $650, as compared with $930 in the previous year.
Average selling price per LAN switching port was $467 in the year ended March
31, 1997; no comparison can be provided with fiscal 1996 because ALANTEC did not
compile LAN switch product data by port in fiscal 1996. Average selling price
for LAN switches shipped during the year ended March 31, 1997 was $15,800, as
compared to $22,200 in the previous year. In May of 1996, the Company reduced
the price of certain of its ATM switches by up to 40%. At the same time, prices
of the Company's adapter cards were reduced by 50%. The Company reduced the
price of certain of its LAN switching products by up to 15% in September 1996.
The Company believes that reductions in price per port on ATM and LAN switching
products and price reductions on adapter cards will help stimulate demand for
its products. However, many risk factors, including the risk that networking
products based on ATM may not achieve broad commercial acceptance, the risk of
competition from larger and better financed competitors and the risk that new
technologies may render the Company's products obsolete or noncompetitive, may
cause actual results to differ.
 
     Gross Profit.  Gross profit increased to $226.2 million or 57.2% of revenue
in the year ended March 31, 1997, as compared with gross profit of $136.5
million or 58.0% of revenue in the previous year. The dollar increase in gross
profit was the result of increased revenue from ATM switching products, LAN
switching products and adapter cards. The gross margin percentage decline
primarily resulted from continued pricing pressure and the product price mix of
low-end LAN switching products. The Company intends to price its products
competitively in order to continue to increase revenue and to stimulate demand
for its products. In future periods, gross margins may be adversely affected by
price competition or changes in sales channels, increases in the costs of goods
or changes in the mix of products sold.
 
     Research and Development.  Research and development expense for the year
ended March 31, 1997 was $55.2 million or 14.0% of revenue, as compared with
$31.2 million or 13.3% of revenue in the previous year. The increase in research
and development expense in dollars and as a percentage of revenue was largely
attributable to additional engineering costs associated with the acquisitions of
Nemesys, Scalable and Cadia, increased hiring of engineering employees,
including recruiting expenses, along with increased purchases of research and
development materials. The number of employees of the Company engaged in
research and development increased to 458 at March 31, 1997 from 335 at March
31, 1996.
 
     Sales and Marketing.  Sales and marketing expense for the year ended March
31, 1997 was $90.4 million or 22.9% of revenue, as compared with $54.1 million
or 23.0% of revenue in the previous year. The dollar increase in sales and
marketing expense was largely the result of hiring additional sales, marketing
and support personnel (including training and documentation) and increased
marketing promotion costs. The number of employees of the Company engaged in
sales and marketing activities increased to 585 at March 31, 1997 from 412 at
March 31, 1996. The Company expects to increase sales and marketing expenses
both domestically and internationally as part of its continuing effort to expand
its markets, introduce new products, build marketing staff and programs and
expand its international presence. Such efforts are subject to a number of risk
factors and there can be no assurance that such efforts will be successful.
 
     General and Administrative.  General and administrative expense for the
year ended March 31, 1997 was $17.5 million or 4.4% of revenue, as compared with
$11.2 million or 4.7% of revenue in the previous year. The dollar increase was
largely due to increased hiring of administrative personnel, including those
engaged in systems administration, accounting and human resources. The reduction
in general and administrative expense as a percentage of revenue was the result
of increased revenue volume absorbing a greater portion of fixed overhead
associated with general and administrative activities. The number of employees
of the Company engaged in general and administrative activities increased to 156
at March 31, 1997 from 119 at March 31, 1996. The Company plans to make
appropriate expenditures in the general and administrative organization as
necessary and does not expect the overall cost as a percentage of revenue to
decline in the next twelve months.
 
                                       17
<PAGE>   18
 
     Merger-related.  The Company had $1.7 million of merger-related expenses
for the year ended March 31, 1997. These expenditures were incurred in
connection with the acquisitions of Nemesys, Scalable and Cadia and included
fees to financial advisors, legal and accounting fees and other related
expenses. Total merger-related expenses were $29.4 million for the year ended
March 31, 1996 as a result of the acquisitions of ALANTEC, CellAccess
Technology, Inc. ("CAT"), Applied Network Technology, Inc. ("ANT") and
RainbowBridge Communications, Inc. ("RCI"). These expenses include transaction
costs (primarily fees to financial advisors and legal and accounting fees),
costs associated with duplicate facilities and assets, payments under transition
and severance agreements and other costs.
 
     Interest Income.  Interest income, net of interest expense, for the year
ended March 31, 1997 was $12.4 million, as compared with $9.9 million in the
year ended March 31, 1996. The increase in interest income primarily resulted
from interest earned for a full fiscal year on the net proceeds of $129 million
received from a common stock offering in October 1995.
 
     Income Taxes.  The provision for income taxes recorded in the year ended
March 31, 1997 was $24.0 million, or an effective tax rate of 36.7%, as compared
with $10.8 million, or an effective tax rate of 52.6%, in the previous year. The
decrease in the effective tax rate resulted primarily from a lesser amount of
non-deductible merger-related expenses in 1997 as compared to 1996. Excluding
merger-related expenses, the effective tax rate for the years ended March 31,
1997 and 1996 would have been 36.0%.
 
     Net Income.  Net income for the year ended March 31, 1997 was $41.5
million, or $.41 per share, as compared with $9.7 million, or $.11 per share,
for the year ended March 31, 1996. Net income for the year ended March 31, 1997
included $1.7 million in merger-related expenses and $8.3 million in litigation
settlement charges. Net income for the year ended March 31, 1996 included $29.4
million in merger-related expenses. Excluding these merger-related expenses and
litigation settlement charges, and their tax effect, the Company would have
realized net income of $48.3 million or $.48 per share for the year ended March
31, 1997 as compared to $32.0 million or $.36 per share in 1996.
 
YEAR ENDED MARCH 31, 1996 COMPARED WITH YEAR ENDED MARCH 31, 1995
 
     Revenue.  Revenue increased by 121% to $235.2 million for the year ended
March 31, 1996, as compared with $106.2 million in the previous year. The
distribution of revenue from sales to domestic and foreign customers was 61% and
39%, respectively, in the year ended March 31, 1996. This compares with 65% and
35%, respectively, in the previous year. The increase in domestic revenue
dollars was attributable to the increased market acceptance of ATM and LAN
switch products. The increase in foreign revenue in dollars and as a percentage
of revenue resulted from the Company's expansion of its international
distribution channels and to growing acceptance of ATM and LAN switch products.
 
     The Company measures overall unit volume for its ATM switch products based
on the number of ATM ports, or network connections, shipped. The total number of
ATM ports shipped in the year ended March 31, 1996 was 44,500, as compared with
16,400 in the previous year. The total installed base of ATM ports as of March
31, 1996 was 65,000, as compared with 20,200 as of March 31, 1995. The total
number of LAN switch products shipped in the year ended March 31, 1996 was
3,400, as compared with 1,500 in the previous year. The total number of adapter
cards shipped in the year ended March 31, 1996 was 18,600, as compared with
7,500 in the previous year. The total installed base of adapter cards as of
March 31, 1996 was 28,000, as compared with 9,400 as of March 31, 1995. In the
year ended March 31, 1996, revenue mix, as a percentage of revenue, among ATM
switch products, LAN switch products, adapter cards and other revenue
(principally service support and development contracts) was 53%, 32%, 7% and 8%,
respectively. Revenue mix for the previous year was 45%, 34%, 11% and 10%,
respectively. Average selling price per ATM port during the year ended March 31,
1996 was $2,800, as compared with $2,900 in the previous year. Average selling
price for adapter cards shipped during the year ended March 31, 1996 was $930,
as compared with $1,600 in the previous year. Average selling price for LAN
switches shipped during the year ended March 31, 1996 was $22,200, as compared
with $27,000 in the previous year.
 
     Gross Profit.  Gross profit increased to $136.5 million or 58.0% of revenue
in the year ended March 31, 1996, as compared with gross profit of $61.0 million
or 57.4% of revenue in the previous year. The dollar
 
                                       18
<PAGE>   19
 
increase in gross profit was the result of increased revenue from ATM switch
products, LAN switch products and adapter cards. The increase in gross profit as
a percentage of revenue was the result of improved product price mix for ATM
switch products, reduced manufacturing costs and lower OEM product contribution,
offset partially by lower than historical margins associated with the Company's
lower-end LAN switch products.
 
     Research and Development.  Research and development expense for the year
ended March 31, 1996 was $31.2 million or 13.3% of revenue, as compared with
$13.1 million or 12.3% of revenue in the previous year. The increase in research
and development expense was largely the result of additional engineering costs
associated with the acquisitions of CAT, ANT and RCI, increased hiring of
engineering employees, including recruiting expenses, and increased purchases of
research and development materials. The number of employees of the Company
engaged in research and development increased to 335 at March 31, 1996 from 149
at March 31, 1995.
 
     Sales and Marketing.  Sales and marketing expense for the year ended March
31, 1996 was $54.1 million or 23.0% of revenue, as compared with $26.0 million
or 24.5% of revenue in the previous year. The dollar increase in sales and
marketing expense was largely the result of hiring additional sales, marketing
and support personnel (including training and documentation) and increased
promotion and product evaluation costs. The reduction in sales and marketing
expense as a percentage of revenue was the result of increased revenue volume
absorbing a greater portion of fixed overhead associated with the sales and
marketing organization. The number of employees of the Company engaged in sales
and marketing activities increased to 412 at March 31, 1996 from 200 at March
31, 1995.
 
     General and Administrative.  General and administrative expense for the
year ended March 31, 1996 was $11.2 million or 4.7% of revenue, as compared with
$5.9 million or 5.5% of revenue in the previous year. The dollar increase was
largely due to increased hiring of administrative personnel in systems
administration, accounting and human resources. The percentage decrease resulted
from increased revenue absorbing a larger portion of the Company's fixed
overhead expenses. The number of employees of the Company engaged in general and
administrative activities increased to 119 at March 31, 1996 from 60 at March
31, 1995.
 
     Merger-related.  Total merger-related expenses of $29.4 million were
recorded for the year ended March 31, 1996 upon completion of the ALANTEC, CAT,
ANT and RCI acquisitions. These expenses included transaction costs (primarily
fees to financial advisors and legal and accounting fees), costs associated with
duplicate facilities and assets, payments under transition and severance
agreements and other costs. The Company had no merger-related expenses during
the corresponding period in 1995.
 
     Interest Income.  Interest income, net of interest expense, for the year
ended March 31, 1996, was $9.9 million, as compared with $2.8 million in the
year ended March 31, 1995. The increase in interest income resulted largely from
interest earned on the net proceeds of $208 million received from common stock
offerings in April 1995 and October 1995.
 
     Income Taxes.  The provision for income taxes recorded in the year ended
March 31, 1996 was $10.8 million, or an effective tax rate of 52.6%, as compared
with $6.0 million, or an effective tax rate of 31.8%, in the previous year. The
increase in the effective tax rate resulted primarily from certain merger-
related expenses that are not deductible for tax purposes and partially from
lower net operating loss carryforward available to offset 1995 taxable income.
Excluding these merger-related expenses, the effective tax rate for the year
ended March 31, 1996 would have been 36.0%.
 
     Net Income.  Net income for the year ended March 31, 1996 was $9.7 million,
or $.11 per share, as compared with $12.9 million, or $.18 per share, for the
year ended March 31, 1995. Net income for the year ended March 31, 1996 included
$29.4 million in merger-related expenses. Excluding these merger-related
expenses and their tax effect, but including the operating results of CAT, ANT
and RCI, the Company would have realized net income of $32.0 million or $.36 per
share
 
LIQUIDITY AND CAPITAL RESOURCES
 
     The Company has financed most of its working capital and capital
expenditure requirements to date primarily through cash proceeds from public
offerings and cash generated from operations.
 
                                       19
<PAGE>   20
 
     The cash provided by operations was $7.4 million in 1997. Net cash provided
by operations was the result of increases to net income, offset by increases to
accounts receivable and inventories, and decreases to income taxes payable and
accrued merger costs. The increase in accounts receivable was due to increased
revenue. The increase in inventories was the result of increased revenue and the
introduction of new products. The decrease in accrued merger costs was due to
disbursements in fiscal 1997 related to the ALANTEC acquisition that was
completed in fiscal 1996. The cash provided by operations was $29.1 million in
1996. Net cash provided by operations was the result of net income and increased
current liabilities offset by increased accounts receivable, inventories and
deferred income tax benefit. The increase in inventories was the result of
increased revenue and the introduction of new products. The Company's investing
activities to date have been for the purchase of fixed assets to support the
Company's growth.
 
     In April and October of 1995, public stock offerings were completed, with
aggregate net proceeds to the Company of approximately $208 million.
 
     At March 31, 1997, the Company had cash and cash equivalents of
approximately $129.4 million, short-term investments of $170.3 million and an
unused line of credit of $20 million.
 
     During fiscal 1996, the Company entered into arrangements to lease
headquarters and operating facilities to be constructed on land purchased by the
Company. The facilities have largely been completed and the Company is occupying
200,000 square feet of the facilities while the remaining 100,000 square feet is
still under construction. These arrangements include a ten-year operating lease
pursuant to which the Company has committed to make annual minimum rental
payments of approximately $3.4 million commencing in fiscal 1998, and a
guarantee by the Company of the repayment of approximately $37 million of the
lessor's construction financing for the facilities.
 
     As part of the lease transaction, the Company, as of March 31, 1997,
pledged $28.1 million of marketable securities as collateral for specified
obligations of the lessor. The Company is also required to comply with certain
financial covenants including the maintenance of a minimum tangible net worth
and limitations on the incurrence of debt and the payment of dividends.
 
     The Company believes that the proceeds from its public offerings, together
with its existing sources of liquidity and internally generated cash, will
satisfy the Company's projected cash needs through at least the next twelve
months. The Company may require additional sources of liquidity to fund future
growth, including additional equity offerings or debt financing.
 
     To date, inflation has not had a material impact on the Company's financial
results.
 
NEW ACCOUNTING PRONOUNCEMENTS
 
     In February 1997, Financial Accounting Standards No. 128 "Earnings Per
Share" ("FAS 128") was issued by the Financial Accounting Standards Board. FAS
128 specifies modifications to the calculation of earnings per share from that
currently used by the Company. Under FAS 128, "basic earnings per share" will be
calculated based upon the weighted average number of common shares actually
outstanding, and "diluted earnings per share" will be calculated based upon the
weighted average number of common shares outstanding and other potential common
shares if they are dilutive. FAS 128 is effective for the Company's third
quarter of 1998 and will be adopted at that time. Prior periods will be
restated. Had the Company determined earnings per share in accordance with FAS
128, basic earnings per share for 1997, 1996 and 1995 would have been $0.45,
$0.12 and $0.20, respectively, and diluted earnings per share would have been
$0.41, $0.11 and $0.18, respectively.
 
ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.
 
     Not Applicable.
 
                                       20
<PAGE>   21
 
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
To the Board of Directors
and Stockholders of
FORE Systems, Inc.
 
In our opinion, the consolidated financial statements listed in the index
appearing under Item 14(a)(1) on page 40 present fairly, in all material
respects, the financial position of FORE Systems, Inc., and its subsidiaries at
March 31, 1997 and 1996, and the results of their operations and their cash
flows for each of the three years in the period ended March 31, 1997, in
conformity with generally accepted accounting principles. 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 of these statements in accordance with
generally accepted auditing standards which 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,
assessing the accounting principles used and significant estimates made by
management, and evaluating the overall financial statement presentation. We
believe that our audits provide a reasonable basis for the opinion expressed
above.
 
/s/ Price Waterhouse

Price Waterhouse LLP
Boston, Massachusetts
April 22, 1997
 
                                       21
<PAGE>   22
 
                        CONSOLIDATED STATEMENT OF INCOME
                (IN THOUSANDS, EXCEPT SHARE AND PER-SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                     YEAR ENDED MARCH 31
                                                              ----------------------------------
                                                                1997         1996         1995
                                                              --------     --------     --------
<S>                                                           <C>          <C>          <C>
Revenue..................................................     $395,347     $235,189     $106,188
Cost of sales............................................      169,118       98,666       45,197
                                                              --------     --------     --------
Gross profit.............................................      226,229      136,523       60,991
                                                              --------     --------     --------
Operating expenses:
  Research and development...............................       55,217       31,212       13,054
  Sales and marketing....................................       90,444       54,132       26,008
  General and administrative.............................       17,499       11,156        5,868
  Merger-related.........................................        1,747       29,375           --
                                                              --------     --------     --------
  Total operating expenses...............................      164,907      125,875       44,930
                                                              --------     --------     --------
Income from operations...................................       61,322       10,648       16,061
Interest income, net.....................................       12,427        9,906        2,793
Litigation settlement charges............................       (8,257)          --           --
                                                              --------     --------     --------
Income before provision for income taxes.................       65,492       20,554       18,854
Provision for income taxes...............................       24,022       10,817        5,994
                                                              --------     --------     --------
Net income...............................................     $ 41,470     $  9,737     $ 12,860
                                                              ========     ========     ========
Net income per common share..............................     $   0.41     $   0.11     $   0.18
                                                              ========     ========     ========
Weighted average common and common equivalent shares
  outstanding............................................   99,948,902   86,432,248   73,481,490
                                                            ==========   ==========   ==========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       22
<PAGE>   23
 
                           CONSOLIDATED BALANCE SHEET
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                               MARCH 31
                                                                         ---------------------
                                                                           1997         1996
                                                                         --------     --------
<S>                                                                      <C>          <C>
ASSETS:
Current assets:
  Cash and cash equivalents...........................................   $129,424     $204,013
  Short-term investments..............................................    170,258       92,142
  Accounts receivable, net of allowance for doubtful accounts of
     $4,090 at March 31, 1997 and $1,087 at March 31, 1996............     84,997       49,990
  Inventories.........................................................     50,769       27,495
  Deferred income taxes...............................................     29,296       19,574
  Prepaid income taxes................................................     19,153           --
  Prepaid expenses and other current assets...........................      6,774        6,382
                                                                         --------     --------
     Total current assets.............................................    490,671      399,596
Fixed assets, net.....................................................     47,906       24,766
                                                                         --------     --------
  Total assets........................................................   $538,577     $424,362
                                                                         ========     ========
LIABILITIES AND STOCKHOLDERS' EQUITY:
Current liabilities:
  Accounts payable....................................................   $ 36,919     $ 32,430
  Accrued payroll and related costs...................................     13,909       10,723
  Income taxes payable................................................         --        4,542
  Other current liabilities...........................................     10,230        8,578
  Accrued merger costs................................................      4,869       20,045
  Deferred revenue....................................................     18,471       12,054
                                                                         --------     --------
     Total current liabilities........................................     84,398       88,372
                                                                         --------     --------
Commitments and contingencies
STOCKHOLDERS' EQUITY:
  Common stock, par value $.01 per share; 300,000,000 shares
     authorized; shares issued 97,792,458 at March 31, 1997 and
     87,982,594 at March 31, 1996.....................................    405,768      323,134
  Retained earnings...................................................     53,130       13,384
  Treasury stock, at cost: 120,000 shares.............................     (3,248)          --
  Cumulative translation adjustment...................................         53           --
  Valuation allowance for short-term investments......................     (1,524)        (528)
                                                                         --------     --------
     Total stockholders' equity.......................................    454,179      335,990
                                                                         --------     --------
  Total liabilities and stockholders' equity..........................   $538,577     $424,362
                                                                         ========     ========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       23
<PAGE>   24
 
               CONSOLIDATED STATEMENT OF CHANGES IN COMMON STOCK
                            AND STOCKHOLDERS' EQUITY
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                                                             VALUATION
                                      COMMON STOCK         ALLOWANCE FOR    RETAINED    CUMULATIVE
                                 ----------------------     SHORT-TERM      EARNINGS    TRANSLATION    TREASURY
                                   SHARES       AMOUNT      INVESTMENTS     (DEFICIT)   ADJUSTMENT      STOCK       TOTAL
                                 ----------    --------    -------------    --------    -----------    --------    --------
<S>                              <C>           <C>         <C>              <C>         <C>            <C>         <C>
Balance, March 31, 1994.......   40,598,092    $ 47,180       $    --       $ (8,186)       $--        $     --    $ 38,994
  Issuance of common stock
    under stock option and
    employee purchase plans...    2,178,384       1,796            --             --         --              --       1,796
  Issuance of common stock in
    public offering...........    9,800,000      35,450            --             --         --              --      35,450
  Conversion of FORE Series A
    redeemable convertible
    preferred stock...........   16,129,020       5,500            --             --         --              --       5,500
  Income tax benefit from
    stock option plan
    activity..................           --       3,390            --             --         --              --       3,390
  Change in valuation
    allowance for short-term
    investments...............           --          --          (264)            --         --              --        (264)
  Net income..................           --          --            --         12,860         --              --      12,860
                                 ----------    --------       -------       --------        ---        --------    --------
Balance, March 31, 1995.......   68,705,496      93,316          (264)         4,674         --              --      97,726
  Issuance of common stock
    under stock option and
    employee purchase plans...    2,905,522      13,045            --             --         --              --      13,045
  Acquisitions (see Note 2)...    3,341,786       3,028            --         (1,027)        --              --       2,001
  Issuance of common stock in
    public offerings..........   13,029,790     208,491            --             --         --              --     208,491
  Income tax benefit from
    stock option plan
    activity..................           --       5,254            --             --         --              --       5,254
  Change in valuation
    allowance for short-term
    investments...............           --          --          (264)            --         --              --        (264)
  Net income..................           --          --            --          9,737         --              --       9,737
                                 ----------    --------       -------       --------        ---        --------    --------
Balance, March 31, 1996.......   87,982,594     323,134          (528)        13,384         --              --     335,990
  Issuance of common stock
    under stock option and
    employee purchase plans...    4,554,631      35,454            --             --         --              --      35,454
  Acquisitions (see Note 2)...    5,255,233       6,829            --         (1,724)        --              --       5.105
  Income tax benefit from
    acquisitions..............           --       6,335            --             --         --              --       6,335
  Income tax benefit from
    stock option plan
    activity..................           --      34,016            --             --         --              --      34,016
  Change in valuation
    allowance for short-term
    investments...............           --          --          (996)            --         --              --        (996)
  Purchase of treasury
    stock.....................           --          --            --             --         --          (3,248)     (3,248)
  Cumulative translation
    adjustment................           --          --            --             --         53              --          53
  Net income..................           --          --            --         41,470         --              --      41,470
                                 ----------    --------       -------       --------        ---        --------    --------
Balance, March 31, 1997.......   97,792,458    $405,768       $(1,524)      $ 53,130        $53        $ (3,248)   $454,179
                                 ==========    ========       =======       ========        ===        ========    ======== 
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       24
<PAGE>   25
 
                      CONSOLIDATED STATEMENT OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                                     YEAR ENDED MARCH 31
                                                                        (IN THOUSANDS)
                                                              ----------------------------------
                                                                1997         1996         1995
                                                              --------     --------     --------
<S>                                                           <C>          <C>          <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income.................................................   $ 41,470     $  9,737     $ 12,860
  Adjustments to reconcile net income to net cash provided
     by operating activities:
     Depreciation..........................................     16,402        6,817        2,857
     Amortization of capitalized software development
       costs...............................................        782        1,673          601
     Deferred income tax benefit...........................     (3,387)     (13,011)      (5,745)
     Income tax benefit related to stock options...........     34,016        5,254        3,390
     Cumulative translation adjustment.....................         53           --           --
     Change in operating assets and liabilities:
       Accounts receivable.................................    (34,697)     (24,250)     (13,889)
       Inventories.........................................    (23,180)      (8,567)     (11,922)
       Prepaid expenses and other current assets...........       (302)      (2,217)      (2,214)
       Accounts payable....................................      4,001       18,977        5,832
       Accrued liabilities.................................      4,678       10,066        5,057
       Prepaid income taxes and income taxes payable.......    (23,722)        (766)       3,894
       Accrued merger costs................................    (15,176)      20,045           --
       Deferred revenue....................................      6,417        5,375        4,707
                                                              --------     --------     --------
Net cash provided by operating activities..................      7,355       29,133        5,428
                                                              --------     --------     --------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Purchases of short-term investments......................   (393,588)    (159,174)     (44,942)
  Redemption and sale of short-term investments............    314,476       96,250       16,197
  Capitalization of software development costs.............       (677)      (1,364)        (924)
  Cash from acquisitions...................................      4,616        1,273           --
  Purchases of fixed assets................................    (38,875)     (23,507)      (8,204)
                                                              --------     --------     --------
Net cash used in investing activities......................   (114,048)     (86,522)     (37,873)
                                                              --------     --------     --------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Principal payments on notes payable and capital lease
     obligations...........................................       (102)        (280)        (267)
  Purchase of treasury stock...............................     (3,248)          --           --
  Proceeds from issuance of common stock...................     35,454      222,699       37,246
                                                              --------     --------     --------
Net cash provided by financing activities..................     32,104      222,419       36,979
                                                              --------     --------     --------
Increase (decrease) in cash and cash equivalents...........    (74,589)     165,030        4,534
                                                              --------     --------     --------
Cash and cash equivalents at beginning of year.............    204,013       38,983       34,449
                                                              --------     --------     --------
Cash and cash equivalents at end of year...................   $129,424     $204,013     $ 38,983
                                                              ========     ========     ========
Cash paid during the year for:
  Interest.................................................   $     27     $     18     $     63
  Income taxes.............................................   $ 17,326     $ 19,833     $  4,875
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       25
<PAGE>   26
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
           All data in thousands except for share and per-share data.
 
1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
Nature of Business
 
     FORE Systems, Inc. ("FORE Systems" or the "Company") designs, develops,
manufactures and sells high-performance networking products based on
Asynchronous Transfer Mode ("ATM") technology. ATM is the international standard
that was developed by the telecommunications industry to support broadband
multimedia applications transmitted over high-speed networks.
 
Principles of Consolidation and Basis of Presentation
 
     The financial statements include the accounts of the Company and its wholly
owned subsidiaries. All intercompany transactions have been eliminated. The
Company's fiscal year ends March 31. Any reference to years stated hereafter
represents the fiscal year unless otherwise indicated.
 
     On May 6, 1996, the Company's Board of Directors declared a two-for-one
common stock split effected in the form of a common stock dividend paid on June
3, 1996 to stockholders of record on May 20, 1996. All share and per-share data
for all periods presented have been retroactively adjusted to give effect to the
stock split.
 
Revenue Recognition
 
     Revenue is recognized when the product is shipped provided that all
significant obligations are fulfilled. Revenue from support contracts is
recognized ratably over the term of the related agreements. Revenue from initial
license fees, including limited warranty services, is recognized upon the
delivery of the software and the costs associated with providing such services,
which are immaterial, are accrued.
 
Use of Estimates
 
     The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenue and expenses during the reported
period. Actual results could differ from those estimates.
 
Cash and Cash Equivalents and Short-term Investments
 
     The Company's policy is to invest its excess cash in U.S. Government
securities, interest-bearing deposits with major banks, municipal notes and
bonds and commercial paper of companies with strong credit ratings that are
subject to minimal credit and market risk. Cash equivalents consist of money
market funds, commercial paper, U.S. Government securities and municipal notes
and bonds which have original maturities of 90 days or less. Short-term
investments include securities purchased with an original maturity of greater
than 90 days.
 
Inventories
 
     Inventories are stated at the lower of cost or market, cost being
determined using the first-in, first-out method.
 
Capitalized Software Development Costs
 
     Software development costs for new software and enhancements to existing
software are expensed as incurred until the establishment of technological
feasibility. Subsequent to establishment of technological feasibility, the
Company capitalizes software development costs incurred until the product is
available for
 
                                       26
<PAGE>   27
 
general release to customers. Capitalized software development costs are
amortized to cost of sales on a product-by-product basis over the estimated
lives of the related products. Unamortized capitalized software development
costs of $175 and $280 are included in prepaid expenses and other current assets
at March 31, 1997 and 1996, respectively.
 
Fixed Assets
 
     Equipment and furniture are recorded at cost and depreciated using the
straight-line method over the estimated useful lives of the assets which range
up to 7 years. Leasehold improvements are recorded at cost and amortized over
the shorter of the estimated lives of the related assets or the term of the
lease.
 
Warranty Reserve
 
     The Company provides a warranty generally for up to fifteen months on its
products. Estimated warranty costs are accrued at the time revenue is recognized
and are charged to cost of sales.
 
Foreign Currency
 
     The functional currency for the Company's foreign operations is the U.S.
dollar. Monetary assets and liabilities of the Company's foreign operations are
translated into U.S. dollars at exchange rates in effect as of the balance sheet
date, and nonmonetary assets and liabilities are translated at historical
exchange rates. Results of operations are translated at the average exchange
rates for the period. Foreign exchange gains and losses, which are immaterial,
are included in the results of operations.
 
Financial Instruments
 
     The Company uses forward currency exchange contracts on a limited basis to
manage foreign currency exchange rate risk and does not use them for trading
purposes. The exposure to credit risk for these contracts is minimal since they
are with major financial institutions. These contracts' terms range from one
month to two years and are entered to hedge certain firm purchase commitments
denominated in those currencies. At March 31, 1997 and 1996, the Company had
outstanding forward currency exchange contracts to buy $143 and $171,
respectively.
 
     At March 31, 1997, the Company had an outstanding forward treasury
agreement. The Company entered into this agreement to reduce the impact of
changes in interest rates on future lease expense for the new Company
headquarters and operating facilities (see Note 14). The interest rate
fluctuations will result in a receipt or disbursement of funds by the Company
upon termination of the agreement on July 31, 1997. The amount exchanged will be
amortized over the term of the lease.
 
Net Income per share
 
     Net income per common share is calculated based on the weighted average
number of common shares and common equivalent shares outstanding during the
year.
 
     In February 1997, Financial Accounting Standards No. 128 "Earnings Per
Share" ("FAS 128") was issued by the Financial Accounting Standards Board. FAS
128 specifies modifications to the calculation of earnings per share from that
currently used by the Company. Under FAS 128, "basic earnings per share" will be
calculated based upon the weighted average number of common shares actually
outstanding, and "diluted earnings per share" will be calculated based upon the
weighted average number of common shares outstanding and other potential common
shares if they are dilutive. FAS 128 is effective for the Company's third
quarter of 1998 and will be adopted at that time. Prior periods will be
restated. Had the Company determined earnings per share in accordance with FAS
128, basic earnings per share for 1997, 1996 and 1995 would have been $0.45,
$0.12 and $0.20, respectively, and diluted earnings per share would have been
$0.41, $0.11 and $0.18, respectively.
 
                                       27
<PAGE>   28
 
Accounting for Stock Options
 
     As permitted under Statement of Financial Accounting Standards No. 123
("SFAS 123"), "Accounting for Stock-Based Compensation," the Company has elected
to follow Accounting Principles Board Opinion No. 25, "Accounting for Stock
Issued to Employees" ("APB 25"), and related interpretations, in accounting for
stock based awards to employees. Under APB No. 25, because the exercise price of
the Company's employee stock options equals the market price of the underlying
stock on the date of grant, no compensation expense is recognized in the
Company's financial statements for all periods presented.
 
Advertising
 
     Advertising costs are charged to operations when incurred. The Company did
not incur any costs associated with direct response advertising in 1997, 1996
and 1995, and there were no capitalized advertising costs at March 31, 1997 and
1996. Advertising expense for 1997, 1996 and 1995 was $6,716, $5,314 and $2,693
respectively.
 
Reclassifications
 
     Certain prior year amounts have been reclassified to conform to the current
year financial statement presentation.
 
2. BUSINESS COMBINATIONS
 
     In November 1996, the Company acquired Nemesys Research Limited, based in
Cambridge, England, ("Nemesys") a developer and supplier of ATM video
distribution and video conferencing products, including a range of ATM video
encoders and decoders. The Company issued 413,635 shares of its Common Stock,
(resulting in an increase to Common Stock of $328,000) in exchange for all of
the outstanding ordinary shares of Nemesys. The transaction was accounted for as
a pooling of interests. In addition, the Company reserved 36,360 shares of
Common Stock for issuance upon the exercise of options granted in substitution
of options to purchase ordinary shares of Nemesys.
 
     Also, in November 1996, the Company acquired Scalable Networks, Inc.
("Scalable"), a developer of high-performance, cost-effective switched Fast
Ethernet desktop and Gigabit Ethernet switching technology directed to gaining
cost-effective desktop and server connections to ATM backbone networks. The
Company issued 900,870 shares of its Common Stock (resulting in an increase to
Common Stock of $2,140,000) in exchange for all of the outstanding shares of
Scalable. The transaction was accounted for as a pooling of interests. The
Company also reserved 46,381 shares of Common Stock for issuance upon the
exercise of options granted in substitution of options to purchase shares of
Scalable Common Stock.
 
     In December 1996, the Company acquired Cadia Networks, Inc. ("Cadia"), a
developer of multiservice WAN adaptation and concentration technology for the
service provider market. The Company issued 3,940,728 shares of its Common Stock
(resulting in an increase to Common Stock of $4,361,000) in exchange for all of
the outstanding shares of Cadia. The transaction was accounted for as a pooling
of interests. The Company also reserved 73,893 shares of Common Stock for
issuance upon the exercise of options granted in substitution of options to
purchase shares of Cadia Common Stock.
 
     In connection with these business combinations, the Company incurred
merger-related expenses of approximately $1.7 million which consist of fees to
financial advisors, legal and accounting fees and other related expenses.
 
     The aggregated historical results of operations and financial position of
Nemesys, Scalable and Cadia are not material to the Company's consolidated
financial statements and prior period amounts have, therefore, not been
restated. Accordingly, retained earnings have been adjusted as of October 1,
1996, to reflect the aggregate accumulated deficits of $176,000, $470,000 and
$1,078,000 for Nemesys, Scalable and Cadia, respectively. The aggregate revenue
and earnings of Nemesys, Scalable and Cadia for fiscal years 1996 and 1995 are
immaterial in comparison to the revenue and earnings reported by the Company for
those periods.
 
                                       28
<PAGE>   29
 
     On February 23, 1996, the Company consummated the acquisition of ALANTEC
Corporation ("ALANTEC"). ALANTEC designs, develops, manufactures and sells
intelligent switching hubs for the Ethernet and Fiber Distributed Data Interface
local area networks ("LANs"). The transaction was accounted for as a pooling of
interests. The Company issued 22,427,604 shares of its common stock in exchange
for all of the outstanding shares of ALANTEC common stock. Effective upon the
consummation of the acquisition, all outstanding stock options to purchase
shares of ALANTEC common stock were assumed by the Company and deemed to
constitute options to purchase, on the same terms and conditions (including
per-share exercise price), an equivalent number of shares of the Company's
common stock. Accordingly, the Company reserved 3,600,140 shares of common stock
for issuance to holders of options formerly exercisable for shares of ALANTEC
common stock.
 
     Merger-related expenses of approximately $27 million were expensed upon the
consummation of the acquisition in the quarter ended March 31, 1996.
Merger-related expenses included $10 million of transaction costs, $9 million
related to duplicate facilities and assets, $4 million for transition and
severance agreements for duplicate employees and $4 million of other costs.
Transaction costs incurred by the Company include fees to financial advisors,
legal and accounting fees and other related expenses. The following information
shows revenue and net income of the separate companies during the period
preceding the acquisition:
 
<TABLE>
<CAPTION>
                                                                               YEAR ENDED
                                                                             MARCH 31, 1995
                                                                             --------------
    <S>                                                                      <C>
    Revenue
      FORE................................................................      $ 75,498
      ALANTEC.............................................................        30,690
                                                                                --------   
                                                                                $106,188
                                                                                ========
    Net income
      FORE................................................................      $  7,360
      ALANTEC.............................................................         5,500
                                                                                --------   
                                                                                $ 12,860
                                                                                ========
</TABLE>
 
     During the quarter ended December 31, 1995, the Company acquired CellAccess
Technology, Inc. ("CAT"), a developer of digital access products for ATM and
Frame Relay networks. The Company issued 1,408,948 shares of common stock
(resulting in an increase to common stock of $2,248,000) in exchange for all of
the outstanding shares of CAT. This business combination has been accounted for
as a pooling of interests. In connection with this business combination, the
Company incurred merger-related expenses of approximately $690,000 which consist
primarily of fees to financial advisors, legal and accounting fees, facility
consolidation costs and other related expenses.
 
     During the quarter ended June 30, 1995, the Company acquired Applied
Network Technology, Inc. ("ANT"), a developer of Ethernet switches, and
RainbowBridge Communications, Inc. ("RCI"), a developer of routing software. The
Company issued an aggregate of 1,932,838 shares of its common stock (resulting
in an increase to common stock of $780,000) in exchange for all of the
outstanding shares of ANT and RCI. The Company also reserved 728,404 additional
shares of common stock for issuance to holders of options formerly exercisable
for shares of ANT common stock. Each of these business combinations has been
accounted for as a pooling of interests. In connection with these business
combinations, the Company incurred merger-related expenses of approximately $1.6
million which consist of fees to financial advisors, legal and accounting fees
and other related expenses.
 
     The aggregated historical results of operations and financial position of
CAT, ANT and RCI were not material to the Company's consolidated financial
statements and prior period amounts were, therefore, not restated. Accordingly,
retained earnings have been adjusted as of the beginning of fiscal 1996, to
reflect the aggregate accumulated deficit of ANT and RCI of $574,000, and as of
the beginning of fiscal 1996, to reflect the accumulated deficit of CAT of
$453,000. The aggregate revenue and earnings of CAT, ANT and RCI for fiscal
years 1995 and 1994 are immaterial in comparison to the revenue and earnings
reported by the Company for those periods.
 
                                       29
<PAGE>   30
 
3. CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS
 
Cash equivalents and short-term investments, classified as available for sale,
consist of the following:
 
<TABLE>
<CAPTION>
                                                                        MARCH 31, 1997
                                                              ----------------------------------
                                                                           UNREALIZED
                                                              AMORTIZED      GAIN        MARKET
                                                                COST        (LOSS)       VALUE
                                                              --------     --------     --------
<S>                                                           <C>          <C>          <C>
Municipal notes and bonds..................................   $133,845     $ (1,554)    $132,291
Commercial paper and other.................................     31,276          100       31,376
U.S. Government securities.................................     91,393          (70)      91,323
                                                              --------     --------     --------
                                                              $256,514     $ (1,524)    $254,990
                                                              ========     ========     ========
</TABLE>
 
<TABLE>
<CAPTION>
                                                                        MARCH 31, 1996
                                                              ----------------------------------
                                                                           UNREALIZED
                                                              AMORTIZED      GAIN        MARKET
                                                                COST        (LOSS)       VALUE
                                                              --------     --------     --------
<S>                                                           <C>          <C>          <C>
Municipal notes and bonds..................................   $ 54,337     $   (568)    $ 53,769
Commercial paper and other.................................     24,416          (38)      24,378
U.S. Government securities.................................     13,917           78       13,995
                                                              --------     --------     --------
                                                              $ 92,670     $   (528)    $ 92,142
                                                              ========     ========     ========
</TABLE>
 
     The contractual maturity of available-for-sale securities within one year
at March 31, 1997 and 1996 were $216,137 and $263,908, respectively. The
contractual maturity of available-for-sale securities over one year and less
than three years at March 31, 1997 and 1996 were $38,853 and $12,555,
respectively. Gross realized gains and losses on sales of securities in 1997 and
1996 were immaterial. At March 31, 1996, cash and cash equivalents include
$184,321 of securities which are classified as held to maturity and for which
cost approximates fair value.
 
4. INVENTORIES
 
Inventories are summarized as follows:
 
<TABLE>
<CAPTION>
                                                                            MARCH 31
                                                                       -------------------
                                                                        1997        1996
                                                                       -------     -------
    <S>                                                                <C>         <C>
    Raw materials...................................................   $16,054     $ 9,408
    Work in process.................................................     5,097      10,939
    Finished goods..................................................    29,618       7,148
                                                                       -------     -------
    Total inventories...............................................   $50,769     $27,495
                                                                       =======     =======
</TABLE>
 
5. FIXED ASSETS
 
Fixed assets are summarized as follows:
 
<TABLE>
<CAPTION>
                                                                            MARCH 31
                                                                       -------------------
                                                                        1997        1996
                                                                       -------     -------
    <S>                                                                <C>         <C>
    Leasehold improvements..........................................   $ 3,372     $ 1,627
    Land............................................................     2,176       2,151
    Equipment and furniture.........................................    70,285      32,353
                                                                       -------     -------
    Total fixed assets..............................................    75,833      36,131
    Less: accumulated depreciation and amortization.................    27,927      11,365
                                                                       -------     -------
    Fixed assets, net...............................................   $47,906     $24,766
                                                                       =======     =======
</TABLE>
 
                                       30
<PAGE>   31
 
6. LINE OF CREDIT
 
     The Company has a line of credit available from a bank under which it can
borrow up to $20 million. The agreement bears interest at either the prime rate
or the LIBOR rate plus 1%, at the option of the Company. Borrowings under this
arrangement are secured by the Company's fixed assets, inventories and accounts
receivable. There were no borrowings under this line at March 31, 1997. The bank
agreement contains certain covenants, the most restrictive of which require the
maintenance of a certain level of net worth, and expires on September 30, 1997.
 
7. NOTES PAYABLE AND CAPITAL LEASE OBLIGATIONS
 
     At March 31, 1997 and 1996, the Company had notes payable and capital lease
obligations aggregating $615 and $717, respectively, which are included in other
current liabilities. Interest expense for the years ended March 31, 1997, 1996
and 1995 was $4, $29 and $64, respectively.
 
8. INCOME TAXES
 
     The components of the provision for income taxes for the years ended March
31, 1997, 1996 and 1995 are as follows:
 
<TABLE>
<CAPTION>
                                                                         YEAR ENDED MARCH 31
                                                                    -----------------------------
                                                                     1997       1996       1995
                                                                    -------    -------    -------
<S>                                                                 <C>        <C>        <C>
Current income tax expense:
  Federal........................................................   $20,593    $19,503    $ 9,620
  State..........................................................     4,759      4,677      1,869
  Foreign........................................................       606        141         22
                                                                    -------    -------    -------
  Total current income tax expense...............................    25,958     24,321     11,511
                                                                    -------    -------    -------
Deferred income tax benefit:
  Federal........................................................    (1,446)   (10,725)    (5,028)
  State..........................................................      (490)    (2,779)      (489)
                                                                    -------    -------    -------
  Total deferred income tax benefit..............................    (1,936)   (13,504)    (5,517)
                                                                    -------    -------    -------
  Total income taxes.............................................   $24,022    $10,817    $ 5,994
                                                                    =======    =======    =======
</TABLE>
 
     Deferred income taxes result from differences in the timing of recognition
of income and expense items for tax and financial reporting purposes. The
principal sources of such differences and the tax effect of each are as follows
for the years ended March 31, 1997 and 1996:
 
<TABLE>
<CAPTION>
                                                                             YEAR ENDED MARCH 31
                                                                             -------------------
                                                                              1997       1996
                                                                             -------    -------
<S>                                                                          <C>        <C>
Deferred tax assets (liabilities):
  Reserves not currently deductible.......................................   $13,066    $ 9,896
  Deferred revenue........................................................     2,706      1,481
  Depreciation and amortization...........................................       290        357
  Other...................................................................     2,451      1,038
  Capitalized software development costs..................................       (69)      (114)
  Research and development credits........................................       489        131
  Net operating loss carryforwards........................................     2,528      1,033
  Merger-related expenses.................................................     1,572      5,638
  Acquired assets basis difference........................................     6,194         --
                                                                             -------    -------
  Net deferred tax assets.................................................   $29,227    $19,460
                                                                             =======    =======
</TABLE>
 
     The deferred tax liabilities of $69 and $114 at March 31, 1997 and 1996,
respectively, are included in other current liabilities.
 
                                       31
<PAGE>   32
 
     The provision for income taxes differs from the amount of income tax
determined by applying the applicable U.S. statutory federal income tax rate to
pre-tax income as a result of the following differences:
 
<TABLE>
<CAPTION>
                                                                          YEAR ENDED MARCH 31
                                                                       -------------------------
                                                                       1997      1996      1995
                                                                       -----     -----     -----
<S>                                                                    <C>       <C>       <C>
Statutory rate applied to income before taxes.......................   35.00%    35.00%    34.00%
State income taxes, net of federal benefit..........................    3.82      5.70      4.27
Foreign Sales Corporation...........................................   (2.49)    (8.77)       --
Research and development credits....................................   (1.79)    (0.80)    (1.76)
Foreign income taxed at different rates.............................    0.49      0.39        --
Realization of net operating loss carryforwards.....................      --        --     (6.58)
Merger-related expenses.............................................    0.69     20.83        --
Other, net..........................................................    0.95      0.27      1.86
                                                                       -----     -----     -----
Total income taxes..................................................   36.67%    52.62%    31.79%
                                                                       =====     =====     =====
</TABLE>
 
9. STOCKHOLDERS' EQUITY
 
Authorized Capital
 
     On May 6, 1996, the Company's stockholders approved an increase in the
authorized shares of the Company's common stock, par value $.01 per share, to
300,000,000 shares. The Company has 5,000,000 authorized shares of preferred
stock. Preferred stock may be issued at the discretion of the Board of Directors
of the Company (without stockholder approval), with such designations, rights
and preferences as the Board of Directors may determine from time to time.
 
Public Offerings
 
     On May 23, 1994, FORE completed its initial public offering of 13,800,000
shares of common stock, of which 9,800,000 shares were sold by the Company and
4,000,000 shares were sold by selling stockholders. Net proceeds to the Company
as a result of the offering were approximately $35.5 million. Upon consummation
of the FORE initial public offering, all outstanding shares of FORE Series A
redeemable convertible preferred stock were converted into 16,129,020 shares of
common stock.
 
     On April 20, 1995, ALANTEC completed a public offering of 5,058,390 shares
of common stock, of which 4,659,790 shares were sold by ALANTEC and 398,600
shares were sold by selling stockholders. Net proceeds to ALANTEC as a result of
the offering were approximately $79.5 million.
 
     On October 18, 1995, the Company completed a public offering of 9,200,000
shares of common stock, of which 8,370,000 shares were sold by the Company and
830,000 shares were sold by selling stockholders. Net proceeds to the Company as
a result of the offering were approximately $129.0 million.
 
Stock Option Repricing
 
     On April 4, 1997, the Compensation Committee of the Board of Directors of
the Company determined that, because certain stock options held by employees of
the Company had an exercise price significantly higher than the fair market
value of the Company's common stock, such stock options were not providing the
desired incentive to employees. Accordingly, the Compensation Committee modified
the exercise price of options to purchase 6,968,552 shares of common stock. As a
result of such modification, the average exercise price of such options was
changed from $30.02 per share to $15.19 per share, the fair market value of the
Company's common stock at the close of the market on April 4, 1997. The
Company's founders and executive officers were excluded from this stock option
repricing.
 
10. STOCK OPTION PLANS
 
     The Company's stock option plans provide for the issuance of an aggregate
of 32,453,048 shares of common stock, of which 9,029,077 shares are available
for future grants at March 31, 1997.
 
                                       32
<PAGE>   33
 
     The Compensation Committee of the Board of Directors determines the term of
each option, option exercise price within limits set forth in the plans, number
of shares for which each option is granted and the rate at which each option is
exercisable. However, under certain plans, the exercise price of any stock
option may not be less than the fair market value of the shares on the date
granted (or, with respect to incentive stock options, less than 110% of the fair
market value in the case of an optionee holding more than 10% of the voting
stock of the Company), and the term cannot exceed ten years (five years for
incentive stock options granted to holders of more than 10% of the Company's
voting stock); under certain other plans, the exercise price for stock options,
which do not qualify as an incentive stock option under the Internal Revenue
Code, are determined by the Compensation Committee of the Board of Directors in
its discretion and the term of such options cannot exceed ten years.
Transactions under the stock option plans are summarized as follows:
 
<TABLE>
<CAPTION>
                                                                              WEIGHTED AVERAGE
                                                                SHARES         EXERCISE PRICE
                                                              -----------    ------------------
<S>                                                           <C>            <C>
Outstanding at March 31, 1994..............................     8,771,838          $ 0.81
  Granted..................................................     4,319,138          $ 8.72
  Exercised................................................    (2,125,514)         $ 0.36
  Cancelled................................................      (551,523)         $ 3.37
                                                              -----------
Outstanding at March 31, 1995..............................    10,413,939          $ 4.05
  Granted..................................................     6,020,150          $19.95
  Exercised................................................    (2,648,278)         $ 1.60
  Cancelled................................................    (1,469,644)         $ 7.10
                                                              -----------
Outstanding at March 31, 1996..............................    12,316,167          $11.98
  Granted..................................................     6,475,890          $32.82
  Exercised................................................    (4,233,499)         $ 6.97
  Cancelled................................................    (1,845,510)         $24.38
                                                              -----------
Outstanding at March 31, 1997..............................    12,713,048          $22.48
Exercisable at March 31, 1995..............................     1,693,062          $ 0.99
Exercisable at March 31, 1996..............................     3,048,687          $ 5.02
Exercisable at March 31, 1997..............................     3,272,211          $ 9.35
</TABLE>
 
Options outstanding as of 3/31/1997
 
<TABLE>
<CAPTION>
                                                              WEIGHTED
                                                              AVERAGE
                                             NUMBER          REMAINING           WEIGHTED
                                          OUTSTANDING     CONTRACTUAL LIFE        AVERAGE
            RANGE OF EXERCISE PRICE         3/31/97          (IN YEARS)       EXERCISE PRICES
        -------------------------------   ------------    ----------------    ---------------
        <S>                               <C>             <C>                 <C>
        $ 0.02 -- $ 3.00                    2,519,411            6.66             $  1.12
        $ 3.70 -- $25.19                    3,132,279            8.13             $ 15.78
        $25.25 -- $33.13                    2,520,248            9.13             $ 29.36
        $33.25 -- $33.38                    2,820,260            9.05             $ 33.37
        $33.44 -- $43.88                    1,720,850            9.30             $ 37.90
        $ 0.02 -- $43.88                   12,713,048            8.40             $ 22.48
</TABLE>
 
                                       33
<PAGE>   34
 
Options exercisable as of 3/31/1997
 
<TABLE>
<CAPTION>
                                                              NUMBER          WEIGHTED
                                                            EXERCISABLE       AVERAGE
        RANGE OF EXERCISE PRICES                              3/31/97      EXERCISE PRICE
        ------------------------                            -----------    --------------
        <S>                                                 <C>            <C>
        $ 0.02 -- $ 3.00                                     1,671,497         $ 0.91
        $ 3.70 -- $25.19                                     1,200,562         $14.28
        $25.25 -- $33.13                                       344,352         $29.00
        $33.25 -- $33.38                                         4,000         $33.33
        $33.44 -- $43.88                                        51,800         $34.99
        $ 0.02 -- $43.88                                     3,272,211         $ 9.35
</TABLE>
 
     The employee stock purchase plans (the "Stock Purchase Plans") allow
eligible employees the opportunity to purchase up to an aggregate of 2,109,530
shares of common stock through payroll deductions at a purchase price per share
not less than 85% of the fair market value on the first or last day of the
quarterly offering periods (as defined in the Stock Purchase Plans), whichever
is lower. The shares issued under the Stock Purchase Plans were 304,857 and
203,794 as of March 31, 1997 and 1996, respectively.
 
     As permitted under Statement of Financial Accounting Standards No. 123
("SFAS 123"), "Accounting for Stock-Based Compensation," the Company has elected
to follow Accounting Principles Board Opinion No. 25, "Accounting for Stock
Issued to Employees" ("APB 25"), and related Interpretations, in accounting for
stock-based awards to employees. Under APB No. 25, because the exercise price of
the Company's employee stock options equals the market price of the underlying
stock on the date of grant, no compensation expense is recognized in the
Company's financial statements for all periods presented.
 
     Pro forma information regarding net income and earnings per share is
required by SFAS No. 123. This information is required to be determined as if
the Company had accounted for its employee stock options (including shares
issued under the Stock Purchase Plan, collectively called "options") granted
subsequent to March 31, 1995 under the fair value method of that statement. The
fair value of options granted in fiscal years 1997 and 1996 reported below has
been estimated at the date of grant using a Black-Scholes option pricing model
with the following weighted average assumptions:
 
<TABLE>
<CAPTION>
                                                                          STOCK PURCHASE
                                                    STOCK OPTION PLAN          PLAN
                                                    -----------------    -----------------
                                                    1997        1996     1997        1996
                                                    -----       -----    -----       -----
        <S>                                         <C>         <C>      <C>         <C>
        Risk-free rate (%).......................    5.74        6.54     5.07        5.31
        Volatility (%)...........................   34.98       38.24    41.69       41.92
        Expected Life (in years).................    2.55        2.62     0.24        0.24
        Dividend Yield (%).......................    0.00        0.00     0.00        0.00
</TABLE>
 
     The Black-Scholes option valuation model was developed for use in
estimating the fair value of traded options that have no vesting restrictions
and are fully transferable. In addition, option valuation models require the
input of highly subjective assumptions, including the expected stock price
volatility. Because the Company's options have characteristics significantly
different from those of traded options, and because changes in the subjective
input assumptions can materially affect the fair value estimate, in the opinion
of management, the existing models do not necessarily provide a reliable single
measure of the fair value of its options. The weighted average estimated fair
value of employee stock options granted through March 31, 1997 and 1996 was $
9.91 and $7.90 per share, respectively. The weighted average estimated fair
value of shares granted under the Stock Purchase Plan during the years ended
March 31, 1997 and 1996 was $8.37 and $4.83, respectively.
 
     For purposes of pro forma disclosures, the estimated fair value of the
options is amortized to expense over the options' vesting period. The Company's
pro forma information follows:
 
<TABLE>
<CAPTION>
                                                                        1997      1996
                                                                       -------    -----
        <S>                                                            <C>        <C>
        Pro forma net income........................................   $18,362    $ 127
        Pro forma net income per common share.......................   $  0.18    $0.00
</TABLE>
 
                                       34
<PAGE>   35
 
     Because the Company anticipates making additional grants and options vest
over several years, the effects on pro forma disclosures of applying SFAS No.
123 are not likely to be representative of the effects on pro forma disclosures
of future years. SFAS No. 123 is applicable only to options granted subsequent
to March 31, 1995.
 
11. DEFINED CONTRIBUTION PLAN
 
     In November 1993, the Company adopted a 401(k) plan (the "Plan") that
covers substantially all employees who meet minimum age and service
requirements. Company contributions are determined at the discretion of the
Board of Directors. The Plan also permits tax-deferred salary deductions for
eligible employees in accordance with the Internal Revenue Code.
 
     The expenses of this plan for the years ended March 31, 1997, 1996 and 1995
were $2,495, $1,014 and $421, respectively.
 
12. SEGMENT, MAJOR CUSTOMER AND CONCENTRATION OF CREDIT RISK INFORMATION
 
     The Company operates in a single industry segment encompassing the
development, manufacture, marketing, selling and technical support of networking
products and services.
 
     Revenue from government agencies, as a percentage of total revenue, for the
years ended March 31, 1997, 1996 and 1995 was 9%, 7% and 7%, respectively.
 
     There were no customers with revenue in excess of 10% of the Company's
total revenue for the years ended March 31, 1997, 1996 and 1995.
 
     Financial instruments which potentially expose the Company to
concentrations of credit risk include accounts receivable. The Company performs
an initial credit review and ongoing evaluations of customers' financial
conditions and, generally, does not require collateral. In addition, the Company
maintains reserves for potential credit losses which, in the aggregate, have not
exceeded management expectations.
 
     Accounts receivable were concentrated as follows:
 
<TABLE>
<CAPTION>
                                                                             MARCH 31
                                                                            ----------
                                                                            1997   1996
                                                                            ----   ----
        <S>                                                                 <C>    <C>
        Domestic.........................................................    46%    66%
        Foreign..........................................................    44     31
        U.S. Government..................................................    10      3
                                                                            ---    ---
                                                                            100%   100%
                                                                            ===    ===
</TABLE>
 
13. INTERNATIONAL REVENUE
 
     Revenue from sales to customers outside the United States for the years
ended March 31, 1997, 1996 and 1995 was distributed as follows:
 
<TABLE>
<CAPTION>
                                                                YEAR ENDED MARCH 31
                                                           ------------------------------
                                                             1997       1996       1995
                                                           --------    -------    -------
        <S>                                                <C>         <C>        <C>
        Europe..........................................   $ 67,405    $46,797    $16,522
        Pacific Rim.....................................     62,381     31,821     18,893
        Other...........................................     16,448     13,711      1,972
                                                           --------    -------    -------
        Total...........................................   $146,234    $92,329    $37,387
                                                           ========    =======    =======
</TABLE>
 
14. LEASE COMMITMENTS
 
     In December 1995, the Company entered into agreements to lease headquarters
and operating facilities to be constructed on land which was purchased by the
Company. The lessor and an additional lender have committed to fund up to a
maximum of $41 million for the construction of the buildings. The Company is now
 
                                       35
<PAGE>   36
 
occupying 200,000 square feet of the facilities and the remaining 100,000 is
still under construction. The Company is leasing the facilities under a ten-year
operating lease and has options to renew the lease for two additional five-year
terms. Future annual minimum rental payments under the lease are approximately
$3.4 million and are expected to commence in fiscal 1998. During the
construction period, the Company has guaranteed the repayment of up to
approximately $37 million of the lessor's construction financing for the
facilities.
 
     Accordingly, as part of the above lease transaction, the Company pledged
$28.1 million, as of March 31, 1997, of securities it holds as collateral for
specified obligations of the lessor. In addition, under the terms of the lease,
the Company is required to comply with certain financial covenants including the
maintenance of a minimum tangible net worth. Other restrictive covenants limit
indebtedness and the payment of dividends.
 
     The Company may, at its option, purchase the facilities during or at the
expiration of the term of the lease at an amount equal to the remaining balance
of any debt of the lessor related to the construction of the facilities plus any
applicable prepayment penalties. If the Company does not exercise the purchase
option at the end of the lease, the Company will guarantee the residual value of
the facilities of approximately $24 million, an amount which was determined at
the lease inception date.
 
     The Company has purchased additional option property by issuing a note that
is secured by a mortgage that encumbers the option property. The note of $614 is
included in other current liabilities. The Company also has operating lease
agreements relating to certain other facilities and equipment which expire at
various dates. Rent expense on operating leases for the years ended March 31,
1997, 1996 and 1995 was $9,764, $5,167 and $2,671, respectively. Future minimum
payments under all non-cancelable operating leases as of March 31, 1997 are
summarized as follows:
 
<TABLE>
<CAPTION>
                                                                 OPERATING
                                                                  LEASES
                                                                 --------
                    <S>                                          <C>
                    1998......................................   $  9,279
                    1999......................................     10,194
                    2000......................................      7,284
                    2001......................................      6,180
                    2002......................................      5,560
                    Thereafter................................     61,996
                                                                 --------
                    Total.....................................   $100,493
                                                                 ========
</TABLE>
 
                                       36
<PAGE>   37
 
15. QUARTERLY RESULTS (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED MARCH 31, 1997
                                                         ------------------------------------------
                                                            Q4          Q3         Q2         Q1
                                                         --------    --------    -------    -------
                                                         (IN THOUSANDS, EXCEPT FOR PER-SHARE DATA)
<S>                                                      <C>         <C>         <C>        <C>
Revenue...............................................   $101,326    $112,645    $98,019    $83,357
Gross profit..........................................   $ 57,252    $ 64,159    $56,373    $48,445
Merger-related expenses...............................   $     --    $  1,747    $    --    $    --
Income from operations................................   $ 11,352    $ 17,495    $17,832    $14,643
Litigation settlement charges.........................   $ (8,257)   $     --    $    --    $    --
Net income............................................   $  3,887    $ 12,839    $13,351    $11,393
Net income per common share...........................   $    .04    $    .13    $   .14    $   .12
</TABLE>
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED MARCH 31, 1996
                                                         ------------------------------------------
                                                            Q4          Q3         Q2         Q1
                                                         --------    --------    -------    -------
                                                         (IN THOUSANDS, EXCEPT FOR PER-SHARE DATA)
<S>                                                      <C>         <C>         <C>        <C>
Revenue...............................................   $ 75,271    $ 63,974    $52,062    $43,882
Gross profit..........................................   $ 43,811    $ 37,158    $30,168    $25,386
Merger-related expenses...............................   $ 27,098    $    690    $    --    $ 1,587
Income (loss) from operations.........................   $(13,870)   $ 10,343    $ 8,623    $ 5,552
Litigation settlement charges.........................   $     --    $     --    $    --    $    --
Net income (loss).....................................   $ (9,575)   $  8,516    $ 6,734    $ 4,062
Net income (loss) per common share....................   $   (.11)   $    .09    $   .08    $   .05
</TABLE>
 
16. LITIGATION SETTLEMENT
 
     In February 1997, ALANTEC, a wholly-owned subsidiary of the Company,
contributed $7.5 million as a portion of a settlement entered into by three
former directors and several former stockholders of ALANTEC ("Defendents") in a
suit brought in 1994 by two founders of ALANTEC. The plaintiffs sought damages
for alleged breaches of fiduciary duties by the Defendants in 1991. Although
ALANTEC was not a party to the lawsuit, it had certain indemnification
obligations to the former directors under its former bylaws and indemnification
agreements. The settlement avoids further litigation with respect to those
indemnification obligations.
 
                                       37
<PAGE>   38
 
ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
FINANCIAL DISCLOSURE.
 
     Not applicable.
 
                                       38
<PAGE>   39
 
                                    PART III
 
ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT.
 
     The information set forth under the caption "Executive Officers of the
Registrant" in Part I of this Annual Report on Form 10-K and the information set
forth under the captions "Election of Directors" and "Section 16(a) Beneficial
Ownership Reporting Compliance" in the Proxy Statement is incorporated herein by
reference in response to this Item 10.
 
ITEM 11. EXECUTIVE COMPENSATION.
 
     The information set forth under the caption "Executive Compensation" in the
Proxy Statement is incorporated herein by reference in response to this Item 11.
 
ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT.
 
     The information set forth under the caption "Security Ownership of Certain
Beneficial Owners and Management" in the Proxy Statement is incorporated herein
by reference in response to this Item 12.
 
ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.
 
     The information set forth under the subcaption "Compensation Committee
Interlocks and Insider Participation" under the caption "Executive Compensation"
in the Proxy Statement is incorporated herein by reference to this Item 13.
 
                                       39
<PAGE>   40
 
                                    PART IV
 
ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K.
 
     (a) DOCUMENTS FILED AS PART OF THIS REPORT:
 
     1. FINANCIAL STATEMENTS.  The following consolidated financial statements
of the Company are filed as part of this Annual Report on Form 10-K:
 
<TABLE>
<CAPTION>
                                                                                     PAGE(S)
                                                                                     -------
<S>                                                                                  <C>
Report of Independent Accountants..................................................    21
Consolidated Statement of Income for the years ended March 31, 1997, 1996 and
  1995.............................................................................    22
Consolidated Balance Sheet as of March 31, 1997 and 1996...........................    23
Consolidated Statement of Changes in Common Stock and Stockholders' Equity for the
  years ended March 31, 1997, 1996 and 1995........................................    24
Consolidated Statement of Cash Flows for the years ended March 31, 1997, 1996 and
  1995.............................................................................    25
Notes to Consolidated Financial Statements.........................................  26-37
Financial Statement Schedule:
  Schedule II--Valuation and Qualifying Accounts and Reserves......................    43
</TABLE>
 
     Financial statement schedules not listed above have been omitted because
they are inapplicable, are not required under applicable provisions of
Regulation S-X, or the information that would otherwise be included in such
schedules is contained in the registrant's consolidated financial statements or
accompanying notes.
 
     2. EXHIBITS.  The Exhibits listed below are filed or incorporated by
reference as part of this Annual Report on Form 10-K.
 
<TABLE>
<CAPTION>
EXHIBIT NO.                                      DESCRIPTION
- -----------                                      -----------                                
<S>            <C>
   2.1         Agreement and Plan of Merger, dated as of December 20, 1996, by and among FORE
               Systems, Inc., Alpha Acquisition Corporation, Cadia Networks, Inc., Bing Yang,
               Gregor N. Ferguson, Peter J. Nesbeda, Jeffrey P. McCarthy, Raymond W. DeZenzo,
               Jr., Caralyn A. Brown and David E. Schantz (incorporated by reference to
               Exhibit 2.1 to the Company's Form 8-K, dated December 23, 1996, filed on
               January 7, 1997).

   3.1         Amended and Restated Certificate of Incorporation of FORE Systems, Inc. (as
               amended by Certificate of Amendment dated May 6, 1996) (incorporated by
               reference to Exhibit 3.1 to the Company's Annual Report on Form 10-K for the
               fiscal year ended March 31, 1996).

   3.2         Second Amended and Restated By-laws of FORE Systems, Inc. (as amended through
               March 5, 1997).

  10.1         FORE Systems, Inc. Incentive Stock Option Plan and Nonqualified Stock Option
               Plan(incorporated by reference to Exhibit 10.01 to the Company's Registration
               Statement on Form S-1, File No. 33-76176).(1)

  10.2         FORE Systems, Inc. 1994 Stock Option Plan (incorporated by reference to Exhibit
               10.02 to the Company's Registration Statement on Form S-1, File No.
               33-76176).(1)

  10.3         FORE Systems, Inc. 1994 Employee Stock Purchase Plan (incorporated by reference
               to Exhibit 10.05 to the Company's Registration Statement on Form S-1, File No.
               33-76176).(1)

  10.4         FORE Systems, Inc. 1995 Stock Incentive Plan (incorporated by reference to
               Exhibit 10.4 to the Company's Annual Report on Form 10-K for the fiscal year
               ended March 31, 1995).(1)

  10.5         FORE Systems, Inc. 1996 Stock Option Plan.(1)

  10.6         ALANTEC Corporation Second Amended and Restated 1991 Stock Option Plan
               (incorporated by reference to Exhibit 4.2 to the Company's Post-Effective
               Amendment No. 1 to Form S-4 Registration Statement on Form S-8, File No.
               333-00468).(1)
</TABLE>
 
                                       40
<PAGE>   41
 
<TABLE>
<CAPTION>
EXHIBIT NO.                                      DESCRIPTION
- -----------                                      -----------
<S>            <C>
  10.7         ALANTEC Corporation 1994 Stock Option Plan (incorporated by reference to
               Exhibit 10.15 to ALANTEC Corporation's Form 10-Q for the quarterly period ended
               June 30, 1995).(1)

  10.8         ALANTEC Corporation 1995 Directors' Option Plan (incorporated by reference to
               Exhibit 4.4 to the Company's Post-Effective Amendment No. 1 to Form S-4
               Registration Statement on Form S-8, File No. 333-00468).(1)

  10.9         ALANTEC Corporation 1994 Employee Stock Purchase Plan (incorporated by
               reference to Exhibit 4.3 to the Company's Registration Statement on Form S-8,
               File No. 333-1728).(1)

  10.10        FORE Systems, Inc. Change in Control Separation Plan (incorporated by reference
               to Exhibit 10.9 to the Company's Annual Report on Form 10-K for the fiscal year
               ended March 31, 1996).(1)

  10.11        Summary of Fiscal Year 1997 Senior Management Bonus Plan.(1)

  10.12(a)     Lease between Regional Industrial Development Corporation of Southwestern
               Pennsylvania and FORE Systems, Inc., dated as of July 22, 1993 (incorporated by
               reference to Exhibit 10.03.01 to the Company's Registration Statement on Form
               S-1, File No. 33-76176).

  10.12(b)     Amendment of Lease between Regional Industrial Development Corporation of
               Southwestern Pennsylvania and FORE Systems, Inc., dated as of January 10, 1994
               (incorporated by reference to Exhibit 10.03.02 to the Company's Registration
               Statement on Form S-1, File No. 33-76176).

  10.12(c)     Second Amendment of Lease between Regional Industrial Development Corporation
               of Southwestern Pennsylvania and FORE Systems, Inc., dated as of March 31, 1994
               (incorporated by reference to Exhibit 10.11(c) to the Company's Annual Report
               on Form 10-K for the fiscal year ended March 31, 1996).

  10.12(d)     Third Amendment of Lease between Regional Industrial Development Corporation of
               Southwestern Pennsylvania and FORE Systems, Inc., dated as of May 1, 1994
               (incorporated by reference to Exhibit 10.11(d) to the Company's Annual Report
               on Form 10-K for the fiscal year ended March 31, 1996).

  10.12(e)     Fourth Amendment of Lease between Regional Industrial Development Corporation
               of Southwestern Pennsylvania and FORE Systems, Inc., dated as of June 10, 1995
               (incorporated by reference to Exhibit 10.11(e) to the Company's Annual Report
               on Form 10-K for the fiscal year ended March 31, 1996).

  10.12(f)     Fifth Amendment of Lease between Regional Industrial Development Corporation of
               Southwestern Pennsylvania and FORE Systems, Inc., dated as of May 7, 1996
               (incorporated by reference to Exhibit 10.11(f) to the Company's Annual Report
               on Form 10-K for the fiscal year ended March 31, 1996).

  10.13        Pittsburgh Office and Research Park Building II Lease Agreement by and between
               Zell Two Inc. and FORE Systems, Inc., dated as of July 24, 1995 (incorporated
               by reference to Exhibit 10.9 to the Company's Form 10-Q for the quarterly
               period ended December 31, 1995).

  10.14        Participation Agreement, dated as of December 13, 1995, by and among FORE
               Systems, Inc., Wilmington Trust Company, Mellon Financial Services Corporation
               #4 and Mellon Bank, N.A. (incorporated by reference to Exhibit 10.1 to the
               Company's Form 10-Q for the quarterly period ended December 31, 1995).

  10.15        Lease and Open End Mortgage, dated as of December 13, 1995, by and between FORE
               Systems, Inc. and Wilmington Trust Company (incorporated by reference to
               Exhibit 10.2 to the Company's Form 10-Q for the quarterly period ended December
               31, 1995).

  10.16        Guaranty, dated as of December 13, 1995, by and among FORE Systems, Inc.,
               Mellon Bank, N.A. and Mellon Financial Services Corporation #4 (incorporated by
               reference to Exhibit 10.3 to the Company's Form 10-Q for the quarterly period
               ended December 31, 1995).
</TABLE>
 
                                       41
<PAGE>   42
 
<TABLE>
<CAPTION>
EXHIBIT NO.                                      DESCRIPTION
- -----------                                      -----------
<S>            <C>
  10.17        Guaranty Agreement, dated as of December 13, 1995, by and among FORE Systems
               Holding Corporation, Mellon Bank, N.A. and Mellon Financial Services
               Corporation #4 (incorporated by reference to Exhibit 10.4 to the Company's Form
               10-Q for the quarterly period ended December 31, 1995).

  10.18        Pledge and Security Agreement, dated as of December 13, 1995, by and among FORE
               Systems Holding Corporation, Mellon Bank, N.A., Mellon Financial Services
               Corporation #4 and Mellon Bank, N.A., as custodian (incorporated by reference
               to Exhibit 10.5 to the Company's Form 10-Q for the quarterly period ended
               December 31, 1995).

  10.19        Guaranty and Suretyship Agreement, dated as of December 13, 1995, by and
               between FORE Systems, Inc. and The Redevelopment Authority of Allegheny County
               (incorporated by reference to Exhibit 10.6 to the Company's Form 10-Q for the
               quarterly period ended December 31, 1995).

  10.20        Loan and Security Agreement, dated as of December 13, 1995, by and between The
               Gustine Company and FORE Systems, Inc. (incorporated by reference to Exhibit
               10.7 to the Company's Form 10-Q for the quarterly period ended December 31,
               1995).

  10.21        Development Agreement, dated as of October 20, 1995, by and between The Gustine
               Company and FORE Systems, Inc. (incorporated by reference to Exhibit 10.8 to
               the Company's Form 10-Q for the quarterly period ended December 31, 1995).

  10.23        Form of Non-Competition Agreement, each dated December 21, 1992, between FORE
               Systems, Inc. and Dr. Eric C. Cooper, Dr. Robert D. Sansom, Dr. Onat
               Menzilcioglu and Mr. Francois J. Bitz (incorporated by reference to Exhibit
               10.04 to the Company's Registration Statement on Form S-1, File No.
               33-76176).(1)

  11.1         Statement re computation of per share earnings.

  21.1         Subsidiaries of the Registrant.

  22.1         Consent of Independent Accountants.

  27.1         Financial Data Schedule.
</TABLE>
 
- ---------
(1) Management contract or compensatory plan or arrangement.
 
     (b) REPORTS ON FORM 8-K:
 
     The Company filed the following Reports on Form 8-K during the quarter
ended March 31, 1997:
 
     On January 7, 1997, the Company filed a report under Item 2 of Form 8-K
dated December 23, 1996 regarding the acquisition by the Company of Cadia
pursuant to an Agreement and Plan of Merger, dated as of December 20, 1996, by
and among the Company, Alpha Acquisition Corporation, a wholly-owned subsidiary
of the Company, Cadia, Bing Yang, Gregor N. Ferguson, Peter J. Nesbeda, Jeffrey
P. McCarthy, Raymond W. Dezenzo, Jr., Caralyn A. Brown and David E. Schantz.
 
                                       42
<PAGE>   43
 
                 VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
                    FOR THE THREE YEARS ENDED MARCH 31, 1997
                                 (IN THOUSANDS)
                                  SCHEDULE II
 
<TABLE>
<CAPTION>
                                           BALANCE AT                                  BALANCE AT
DESCRIPTION                              MARCH 31, 1996    ADDITIONS    DEDUCTIONS   MARCH 31, 1997
- -----------                              --------------    ---------    ----------   --------------
<S>                                      <C>               <C>          <C>          <C>
Allowance for doubtful accounts.......      $  1,087        $ 3,003      $     --        $4,090
Merger related costs..................      $ 20,045        $ 1,133      $(16,309)       $4,869
                                            ========        =======      ========        ======    
</TABLE>
 
<TABLE>
<CAPTION>
                                           BALANCE AT                                  BALANCE AT
DESCRIPTION                              MARCH 31, 1995    ADDITIONS    DEDUCTIONS   MARCH 31, 1996
- -----------                              --------------    ---------    ----------   --------------
<S>                                      <C>               <C>          <C>          <C>
Allowance for doubtful accounts.......        $574          $   587      $    (74)      $  1,087
Merger related costs..................        $ --          $29,375      $ (9,330)      $ 20,045
                                              ====          =======      ========       ========   
</TABLE>
 
<TABLE>
<CAPTION>
                                           BALANCE AT                                  BALANCE AT
DESCRIPTION                              MARCH 31, 1994    ADDITIONS    DEDUCTIONS   MARCH 31, 1995
- -----------                              --------------    ---------    ----------   --------------
<S>                                      <C>               <C>          <C>          <C>
Allowance for doubtful accounts.......        $208           $ 409         $(43)          $574
Merger related costs..................        $ --           $  --         $ --           $ --
                                              ====           =====         ====           ====     
</TABLE>
 
                                       43
<PAGE>   44
 
                                   SIGNATURES
 
     Pursuant to the requirements of Section 13 or 15(d) of the Securities Act
of 1934, the registrant has duly caused this report to be signed on its behalf
by the undersigned, thereunto duly authorized.
 
                                        FORE SYSTEMS, INC.
 
                                        By: /s/ ERIC C. COOPER
                                           -------------------------------------
                                           Eric C. Cooper
                                           Chairman and Chief Executive Officer
 
June 27, 1997
 
     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
Registrant and in the capacities and on the dates indicated.
 
<TABLE>
<CAPTION>
              SIGNATURE                               CAPACITY                        DATE
              ---------                               --------                        ----    
 
<C>                                    <S>                                       <C>
         /s/ ERIC C. COOPER            Chairman and Chief Executive Officer       June 27, 1997
- -------------------------------------  (Principal Executive Officer) and a
           Eric C. Cooper              Director

         /s/ THOMAS J. GILL            Chief Operating Officer, Chief             June 27, 1997
- -------------------------------------  Financial Officer and Treasurer
           Thomas J. Gill              (Principal Financial and Accounting
                                       Officer)

        /s/ ONAT MENZILCIOGLU          President and a Director                   June 27, 1997
- -------------------------------------
          Onat Menzilcioglu

        /s/ ROBERT D. SANSOM           Secretary and a Director                   June 27, 1997
- -------------------------------------
          Robert D. Sansom

          /s/ JOHN C. BAKER            Director                                   June 27, 1997
- -------------------------------------
            John C. Baker

      /s/ DANIEL W. MCGLAUGHLIN        Director                                   June 27, 1997
- -------------------------------------
        Daniel W. McGlaughlin
</TABLE>
 
                                       44
<PAGE>   45
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
EXHIBIT NO.                                      DESCRIPTION
- -----------                                      -----------
<S>            <C>
   3.2         Second Amended and Restated By-laws of FORE Systems, Inc. (as amended through
               March 5, 1997).

  10.11        Summary of Fiscal Year 1997 Senior Management Bonus Plan.

  11.1         Statement re computation of per share earnings.

  21.1         Subsidiaries of the Registrant.

  22.1         Consent of Independent Accountants.

  27.1         Financial Data Schedule.
</TABLE>
 
                                       45

<PAGE>   1


                                                                     EXHIBIT 3.2

                      SECOND AMENDED AND RESTATED BY-LAWS
                                       OF
                               FORE SYSTEMS, INC.


                       (AS AMENDED THROUGH MARCH 5, 1997)


                                   ARTICLE I
                            MEETINGS OF STOCKHOLDERS

SECTION 1 -- PLACE OF MEETINGS

         Meetings of the stockholders shall be held at such place within or
without the State of Delaware as shall be designated by the Board of Directors
or the person or persons calling the meeting.

SECTION 2 -- ANNUAL MEETINGS

         The annual meeting of the stockholders of the Corporation shall be
held during the month of July at such time and on such date as shall be
determined by the Board of Directors, or during such other month, at such time
and on such date, as the Board shall otherwise fix, for the purpose of electing
directors and for the transaction of such other business as may lawfully come
before the meeting.

SECTION 3 -- SPECIAL MEETINGS

         Subject to the rights of the holders of any class or series of capital
stock having a preference over the common stock as to dividends or upon
liquidation, special meetings of the stockholders may be called at any time
only by the President and Chief Executive Officer or the Board of Directors.

SECTION 4 -- NOTICE OF MEETINGS

         A written notice of every meeting of stockholders specifying the
place, date and hour of the meeting and, in the case of a special meeting, the
purpose or purposes for which the meeting is called, shall be given to each
stockholder entitled to vote thereat, not less than 10 days nor more than 60
days before the date of the meeting, unless a greater period of time is
required by law in a particular case.

         When a meeting is adjourned to another time or place it shall not be
necessary to give any notice of the adjourned meeting, other than by
announcement at the meeting at which such


<PAGE>   2



adjournment is taken. At the adjourned meeting the Corporation may transact any
business which might have been transacted at the original meeting. If the
adjournment is for more than 30 days, or if after the adjournment a new record
date is fixed for the adjourned meeting, a notice of the adjourned meeting shall
be given to each stockholder entitled to vote at the meeting.

         Whenever written notice is required to be given under the provisions
of these By-laws, a waiver thereof in writing, signed by the person entitled to
such notice, whether before or after the time stated therein, shall be deemed
equivalent to notice. Neither the business to be transacted at, nor the purpose
of, the meeting need be specified in the waiver of notice of such meeting.

SECTION 5 -- RECORD DATE

         In order to determine the stockholders entitled to notice of or to
vote at any meeting of stockholders or any adjournment thereof, or to express
consent to corporate action in writing without a meeting, the Board of
Directors may fix, in advance, a record date, which shall not be more than 60
nor less than 10 days before the date of such meeting. If no record date is
fixed, then the record date for determining stockholders entitled to notice of
or to vote at a meeting of stockholders shall be at the close of business on
the day next preceding the day on which notice is given, or, if notice is
waived, at the close of business on the day next preceding the day on which the
meeting is held. A determination of stockholders of record entitled to notice
of or to vote at a meeting of stockholders shall apply to any adjournment of
the meeting; provided, however, that the Board of Directors may fix a new
record date for the adjourned meeting.

SECTION 6 -- QUORUM

         The presence in person or by proxy of the holders of a majority of the
shares entitled to vote at a meeting shall constitute a quorum. The
stockholders present at a duly organized meeting can continue to do business
until adjourned, notwithstanding the withdrawal of enough stockholders to leave
less than a quorum. If a meeting cannot be organized because a quorum has not
attended, those present in person or by proxy shall have the power, except as
otherwise provided by statute, to adjourn the meeting to such time and place as
they may determine, but in the case of any meeting called for the election of
directors, those who attend the second of such adjourned meetings, although
less than a quorum, shall nevertheless constitute a quorum for the purpose of
electing directors.

                                     - 2 -
<PAGE>   3



SECTION 7 -- ACTION BY STOCKHOLDERS; VOTING

         (a) Except as may be otherwise provided by statute, the Amended and
Restated Certificate of Incorporation or these By-Laws, (i) each stockholder of
record present in person or by proxy shall be entitled, at every stockholders'
meeting, to one vote for each share of capital stock having voting power
standing in the name of such stockholder on the books of the Corporation, and
(ii) the affirmative vote of a majority of the shares present in person or
represented by proxy at a duly organized meeting and entitled to vote on the
subject matter shall be the act of the stockholders.

         (b) Voting by the stockholders, for the election of directors or on any
other matter, may but need not be by written ballot.

         (c) Prior to the Corporation becoming subject to the periodic
reporting requirements of Section 13 of the Securities Exchange Act of 1934, as
amended, with respect to any class of its capital stock, any action required to
be taken or which may be taken at any annual or special meeting of
stockholders, may be taken without a meeting, without prior notice and without
a vote, if a consent or consents in writing setting forth the action so taken
shall be signed by the holders of outstanding stock having not less than the
minimum number of votes that would be necessary to authorize or take such
action at a meeting at which all shares entitled to vote thereon were present
and voted and shall be delivered to the Corporation by delivery to the
Secretary or to its offices in Warrendale, Pennsylvania, by hand or by
certified or registered mail. Every written consent shall bear the date of
signature of each stockholder who signs such consent. No written consent shall
be effective unless, within sixty days of the date the Corporation, a written
consent or consents signed by a sufficient number of stockholders to take the
action referred to therein are delivered to the Corporation in the manner
prescribed in this subsection.

SECTION 8 -- ADVANCE NOTICE OF STOCKHOLDER-PROPOSED BUSINESS AT ANNUAL MEETINGS

         (a) At an annual meeting of stockholders, only such business shall be
conducted as shall have been properly brought before the meeting.

         (b) To be properly brought before an annual meeting, business must be
either (i) specified in the notice of meeting (or any supplement thereto) given
by or at the direction of the

                                     - 3 -
<PAGE>   4



Board of Directors, (ii) otherwise properly brought before the meeting by or at
the direction of the Board, or (iii) otherwise properly brought before the
meeting by a stockholder.

         (c) In addition to any other applicable requirements for business to
be properly brought before an annual meeting by a stockholder, the stockholder
must have given timely notice thereof in writing to the Secretary of the
Corporation.  To be timely, a stockholder's notice must be delivered to or
mailed and received at the principal executive offices of the Corporation, not
less than 60 days prior to the meeting.

         (d) A stockholder's notice to the Secretary shall set forth as to each
matter the stockholder proposes to bring before the annual meeting (i) a brief
description of the business desired to be brought before the annual meeting and
the reasons for conducting such business at the annual meeting, (ii) the name
and record address of the stockholder proposing such business, (iii) the class
and number of shares of the Corporation's capital stock which are beneficially
owned by the stockholder, and (iv) any material interest of the stockholder in
such business.

         (e) Notwithstanding anything in these By-Laws to the contrary, no
business shall be conducted at the annual meeting except in accordance with the
procedures set forth in this Section 8.

         (f) The chairman of an annual meeting shall, if the facts warrant,
determine that business was not properly brought before the meeting in
accordance with the provisions of this Section 8, and if he should so
determine, he shall so declare to the meeting and any such business not
properly brought before the meeting shall not be transacted.

                                   ARTICLE II
                                   DIRECTORS

SECTION 1 -- POWERS OF DIRECTORS

         The business and affairs of the Corporation shall be managed by or
under the direction of the Board of Directors, which shall exercise all powers
that may be exercised or performed by the Corporation and that are not by
statute, the Certificate of Incorporation or these By-Laws directed to be
exercised or performed by the stockholders.


                                     - 4 -
<PAGE>   5


SECTION 2 -- NUMBER, ELECTION, AND TERM OF OFFICE

         The number of members of the Board of Directors shall be not less than
three (3) nor more than nine (9), as determined from time to time by the Board
of Directors. The directors need not be stockholders of the Corporation. The
directors shall be divided into three (3) classes, designated Class I, Class II
and Class III. Each class shall consist, as nearly as may be possible, of
one-third (1/3) of the total number of directors constituting the entire Board
of Directors. Effective immediately upon the filing of the Amended and Restated
Certificate of Incorporation of the Corporation on February 28, 1994, Class I
directors shall serve for a term ending upon the annual meeting of stockholders
held in the Corporation's fiscal 1995 year, Class II directors shall serve for
a term ending upon the annual meeting of stockholders held in Corporation's
fiscal 1996 year and Class III directors shall serve for a term ending upon the
annual meeting of stockholders held in Corporation's fiscal 1997 year. At each
succeeding annual meeting of stockholders beginning with the annual meeting of
stockholders held in the Corporation's fiscal 1995 year, successors to the
class of directors whose term expires at such annual meeting shall be elected
for a three-year term. If the number of directors is changed, any increase or
decrease shall be apportioned among the classes so as to maintain the number of
directors in each class as nearly equal as possible, and any additional
director of any class elected to fill a vacancy resulting from an increase in
such class shall hold office for a term that shall coincide with the remaining
term of that class, but in no case will a decrease in the number of directors
shorten the term of any incumbent director. A director shall hold office until
the annual meeting for the year in which his term expires and until his
successor shall be elected and shall qualify, subject, however, to prior death,
resignation, incapacitation or removal from office, and except as otherwise
required by law.  In the event such election is not held at the annual meeting
of stockholders, it shall be held at any adjournment thereof or a special
meeting.

SECTION 3 -- PROCEDURE FOR NOMINATION OF DIRECTORS

         (a) Only persons nominated in accordance with the following procedures
shall be eligible for election as directors, except as may otherwise be
provided by the terms of the Corporation's Amended and Restated Certificate of
Incorporation with respect to the rights of holders of any class or series of
preferred stock to elect directors under specified circumstances.



                                     - 5 -
<PAGE>   6

         (b) Nominations of persons for election to the Board of Directors of
the Corporation may be made at a meeting of stockholders by or at the direction
of the Board of Directors, by any nominating committee or person appointed by
the Board, or by any stockholder of the Corporation entitled to vote for
election of directors at the meeting who complies with the notice procedures
set forth in this Section 3. Nominations other than those made by or at the
direction of the Board of Directors or any nominating committee or person
appointed by the Board shall be made pursuant to timely notice in proper
written form to the Secretary of the Corporation.

         (c) To be timely, a stockholder's request to nominate a person for
director, together with the written consent of such person to serve as a
director, must be received by the Secretary of the Corporation not less than 60
days prior to the date fixed for the meeting. To be in proper written form,
such stockholder's notice shall set forth in writing:

                  (i) as to each person whom the stockholder proposes to
nominate for election or re-election as a director (A) the name, age, business
address and residence address for such person, (B) the principal occupation or
employment of such person, (C) the class and number of shares of capital stock
of the Corporation which are beneficially owned by such person and (D) such
other information relating to such person as is required to be disclosed in
solicitations of proxies for election of directors, or as otherwise required,
in each case pursuant to Regulation 14A under the Securities Exchange Act of
1934, as amended; and

                  (ii) as to the stockholder giving the notice (A) the name and
address, as they appear on the Corporation's books, of such stockholder and (B)
the class and number of shares of capital stock of the Corporation which are
beneficially owned by such stockholder.

The Corporation may require any proposed nominee to furnish such other
information as may reasonably be required by the Corporation to determine the
eligibility of such proposed nominee to serve as a director of the Corporation.

         (d) No persons shall be eligible for election as a director of the
Corporation unless nominated in accordance with the procedures set forth herein
and in the Corporation's Certificate of Incorporation. The chairman of any
meeting shall, if the facts so warrant, determine that a nomination was not
made in accordance with the procedures prescribed by the Corporation's Amended
and Restated Certificate of Incorporation and By-Laws, and if he should so
determine, he shall so declare to the meeting and the defective nomination(s)
shall be disregarded.



                                     - 6 -
<PAGE>   7

SECTION 4 -- VACANCIES

         (a) Except as otherwise required by law, any vacancy on the Board of
Directors that results from an increase in the number of directors shall be
filled only by a majority of the Board of Directors then in office, provided
that a quorum is present, and any other vacancy occurring in the Board of
Directors shall be filled by a majority of the directors then in office, even
if less than a quorum, or by a sole remaining director. Any director elected to
fill a vacancy not resulting from an increase in the number of directors shall
have the same remaining term as that of his or her predecessor and shall hold
office until the next election of the class for which such director shall have
been chosen, and until his or her successor shall be elected and qualified. A
director may be removed only for cause by the stockholders.

         (b) Notwithstanding the foregoing, whenever the holders of any one or
more classes or series of stock issued by the Corporation shall have the right,
voting separately by class or series, to elect directors at an annual or
special meeting of stockholders, the election, term of office, filling of
vacancies and other features of such directorships shall be governed by the
terms of the Corporation's Amended and Restated Certificate of Incorporation
applicable thereto and such directors so elected shall not be divided into
classes pursuant to Section 2 of this Article II, in each case unless expressly
provided by such terms.

SECTION 5 -- MEETINGS OF DIRECTORS

         Regular meetings of the Board of Directors shall be held without
notice at such times and places as the Board may from time to time designate.
Special meetings of the Board of Directors may be called at any time by the
President and Chief Executive Officer or by any two directors. It shall be the
duty of the Secretary, upon being so requested, to call such meetings by giving
at least 24 hours' notice in writing, by telephone or other oral message or by
telegraph to each member of the Board. A director may, however, in any instance
waive such notice insofar as he is concerned either by attendance at the
meeting or by signing a waiver either before or after such meeting. Except as
otherwise provided in these By-Laws, a majority of the total number of
directors shall constitute a quorum for the transaction of business at any
meeting of the Board of Directors, and the vote of a majority of the directors
present at any meeting at which a quorum is present shall be the act of the
Board of Directors.


                                     - 7 -
<PAGE>   8

SECTION 6 -- INFORMAL ACTION

         Any action required or permitted to be taken at any meeting of the
Board of Directors, or of any committee thereof, may be taken without a meeting
if all members of the Board or committee, as the case may be, consent thereto
in writing, and the writing or writings are filed with the minutes of
proceedings of the Board or committee.

SECTION 7 -- TELEPHONE PARTICIPATION IN MEETINGS

         Members of the Board of Directors, or any committee designated by the
Board, may participate in a meeting of the Board of Directors or such committee
by means of which all persons participating in the meeting can hear each other,
and participation in a meeting pursuant to this Section 7 shall constitute
presence in person at such meeting.

SECTION 8 -- EXECUTION OF DOCUMENTS AND INSTRUMENTS

         Notwithstanding any subsequent provisions of these By-Laws, the Board
shall have power from time to time by resolution to prescribe by what officers
or agents particular documents or instruments, or particular classes of
documents or instruments, shall be signed, countersigned, endorsed or executed,
provided, however, that any person, firm or corporation may and shall be
entitled to accept and to act upon any document or instrument signed,
countersigned, endorsed or executed by officers or agents of the Corporation
pursuant to the provisions of these By-Laws unless prior to receipt of such
document or instrument such person, firm or corporation has been furnished with
a certified copy of a resolution of the Board prescribing a different
signature, counter-signature, endorsement or execution.

SECTION 9 -- COMPENSATION OF DIRECTORS

         The Board of Directors shall have the authority to fix the
compensation of directors or to determine that no compensation shall be paid to
directors for their services as directors. Directors may receive such
compensation (in cash or otherwise) for their services as the Board shall
determine; in addition, compensation and expenses of attendance may be allowed
for attendance at each regular or special meeting of the Board. Nothing herein
contained shall be construed to preclude any director from serving the
Corporation in any other capacity and receiving compensation therefor. Members
of special or standing committees of the Board may be allowed compensation for
attending meetings.  Additional compensation may be made to any director for
special service rendered.


                                     - 8 -
<PAGE>   9

                                  ARTICLE III
                                   COMMITTEES

SECTION 1 -- EXECUTIVE COMMITTEE

         The Board of Directors may by resolution designate one or more
directors in addition to the Chairman of the Board to constitute an Executive
Committee. The Chairman of the Board shall be a member of the Executive
Committee by virtue of his office. The Executive Committee, in the intervals
between the meetings of the Board, shall have and may exercise all the powers
and authority of the Board in the management of the business and affairs of the
Corporation, including without limitation adopting a certificate of ownership
and merger pursuant to Section 253 (or any amended or successor provision) of
the Delaware General Corporation Law, except that the Executive Committee shall
not have any power or authority (a) in reference to amending the Corporation's
Amended and Restated Certificate of Incorporation, adopting an agreement of
merger or consolidation under Sections 251 or 252 (or any amended or successor
provisions) of the Delaware General Corporation Law, recommending to the
stockholders the sale, lease or exchange of all or substantially all of the
Corporation's property and assets, recommending to the stockholders a
dissolution of the Corporation or a revocation of a dissolution, or amending
the By-Laws of the Corporation, (b) to declare a dividend or to authorize the
issuance of stock (other than upon the exercise by the holders thereof of stock
options granted by authority of the Board of Directors or any duly constituted
Committee thereof or upon authority granted in a resolution of the Board of
Directors), or (c) to change the number of directors or fill any vacancy in the
Board of Directors or any committee thereof. A majority of the Executive
Committee shall constitute a quorum.

SECTION 2 -- AUDIT COMMITTEE

         The Board of Directors may by resolution designate two or more
directors to constitute an Audit Committee, provided that a majority of the
members of the Audit Committee shall be independent directors. For purposes of
this Section 2, "independent director" shall mean a person other than an
officer or employee of the Corporation or its subsidiaries or any other person
having a relationship which, in the opinion of the Board of Directors, would
interfere with the exercise of independent judgment in carrying out the
responsibilities of a director. The Board shall designate from such Committee a
chairman, who shall continue to be chairman of the Committee at the pleasure of
the Board of Directors.


                                     - 9 -
<PAGE>   10

SECTION 3 -- OTHER COMMITTEES

         The Board of Directors may, by resolution passed by a majority of the
whole Board, designate one or more other committees, each of which shall
consist of one or more directors. The Board may designate one or more directors
as alternate members of any committee, who may replace any absent or
disqualified member at any meeting of the committee. Each such committee shall
have and may exercise such powers and authority of the Board of Directors in
the management of the business and affairs of the Corporation as the Board
shall provide in the resolution designating such committee, except as otherwise
provided by statute.

SECTION 4 -- DESIGNATION BY COMMITTEES OF ALTERNATE MEMBERS

         In the absence or disqualification of any member of any committee
other than the Executive Committee, the member or members thereof present at
any meeting and not disqualified from voting, whether or not he or they
constitute a quorum, may unanimously appoint another member of the Board of
Directors to act at the meeting in the place of any such absent or disqualified
member. Alternate members of the Executive Committee shall be designated only
by a majority of the whole Board.

SECTION 5 -- COMMITTEE PROCEDURE

         The Board of Directors may establish reasonable rules and regulations
for the conduct of the proceedings of any committee and may appoint a chairman
of the committee who shall be a member thereof and a secretary of the committee
who need not be a member thereof. To the extent that the Board shall not
exercise such powers, they may be exercised by the committee, subject always to
the power of the Board to change such action.

SECTION 6 -- COMMITTEE MEETINGS

         Each committee shall meet at the call of its chairman or any two
regular members of such committee upon 24 hours' written or oral notice to each
member of such committee. The presence or telephone participation of members
(regular or alternate) of any committee equal in number to a majority of the
members of a committee shall constitute a quorum for the transaction of
business, and the vote of a majority of the members present at or so
participating in any meeting at which a quorum is present shall be the act of
the committee.


                                     - 10 -
<PAGE>   11

SECTION 7 -- COMMITTEE REPORTS

         At each regular meeting of the Board of Directors, each committee
shall report to the Board the substance of all action taken by such committee
since the date of its last report to the Board. Each report shall be filed with
the minutes of the meeting of the Board of Directors to which it is presented,
as part of the corporate records.

SECTION 8 -- TERM OF COMMITTEES

         Each committee of the Board of Directors shall serve at the pleasure
of the Board.

                                   ARTICLE IV
                                    OFFICERS

SECTION 1 -- ENUMERATION

         The Chairman of the Board, the Chief Executive Officer, the President,
the Treasurer and the Secretary of the Corporation shall be elected or
appointed by the Board of Directors. In addition, the Board of Directors may,
in its discretion, elect a Chief Operating Officer. The Board may also elect or
appoint such Executive Vice Presidents (if any), Senior Vice Presidents (if
any), Vice Presidents (if any) and Assistants (if any) to any officers as the
Board shall from time to time determine. In addition, the Board may appoint or
designate, and/or may delegate to the Chief Executive Officer the power to
appoint or designate, such other Vice Presidents (if any) in non-officer
capacities, as the Board, or the Chief Executive Officer acting pursuant to
authority delegated by the Board, shall from time to time determine. The
Chairman of the Board shall be a member of the Board of Directors. Any two or
more offices may be held by the same person.

SECTION 2 -- CHAIRMAN OF THE BOARD

         The Chairman of the Board shall preside at meetings of the Board of
Directors and at all meetings of stockholders and shall perform such other
duties and have such powers as may from time to time be designated by the Board
of Directors. The Chairman of the Board, by virtue of his office, shall be a
member of the Executive Committee.



                                     - 11 -
<PAGE>   12

SECTION 3 -- CHIEF EXECUTIVE OFFICER

         The Chief Executive Officer shall be the chief executive officer of
the Corporation and shall, subject to the control of the Board of Directors,
have direct charge of the business and daily affairs of the Corporation. The
Chief Executive Officer shall perform all duties incident to the office of a
chief executive officer of a corporation and such other duties as from time to
time may be assigned to him by the Board of Directors. He may sign, with the
Treasurer or an Assistant Treasurer or the Secretary or an Assistant Secretary,
certificates of stock of the Corporation; he may sign and execute, in the name
of the Corporation, all authorized deeds, leases, mortgages, bonds, contracts
or other instruments, except in cases in which the signing and execution
thereof shall have been expressly delegated by the Board of Directors to some
other officer or agent of the Corporation. The Chief Executive Officer may
appoint such officers (to the extent that the roles of such officers are not
enumerated herein), non-officer Vice Presidents (to the extent that the
authority so to appoint such non-officer Vice Presidents shall have been
delegated by the Board), agents and employees, in addition to those who may be
elected or appointed by the Board, as he shall from time to time deem necessary
for the proper conduct of the business of the Corporation and he may fix their
compensation and terminate their employment.

SECTION 4 -- PRESIDENT

         The President shall perform all duties assigned to him from time to
time by the Chief Executive Officer or by the Board of Directors and shall have
that responsibility for overseeing the operations of the Corporation which is
not delegated to the Chief Operating Officer (if any). If requested by the
Chief Executive Officer or by the Board of Directors, the President may sign
all certificates, documents or other instruments which Section 3 of this
Article IV authorizes the Chief Executive Officer to sign.

SECTION 5 -- CHIEF OPERATING OFFICER

         The Chief Operating Officer shall perform all duties assigned to him
from time to time by the Chief Executive Officer, by the President or by the
Board of Directors and shall have such responsibility for overseeing the
operations of the Corporation as shall be delegated to him by the President. If
requested by the Chief Executive Officer, by the President or by the Board of
Directors, the Chief Operating Officer may sign all certificates, documents or
other instruments which Section 3 of this Article IV authorizes the Chief
Executive Officer to sign.



                                     - 12 -
<PAGE>   13

SECTION 6 -- EXECUTIVE VICE PRESIDENT, SENIOR VICE PRESIDENT AND VICE PRESIDENT

         The Executive Vice President, Senior Vice President or Vice President
(together, the "Vice Presidential Officers"), in the absence or disability or
at the request of the Chief Executive Officer, shall perform the duties and
exercise the functions of the President, and when so acting shall have the
powers of the President. If there be more than one Vice Presidential Officer,
the Chief Executive Officer shall determine which one or more of the Vice
Presidential Officers shall perform any of the duties or exercise any of such
functions, or if such determination is not made by the Chief Executive Officer,
the Board of Directors, the Executive Committee or the Chairman of the Board
shall make such determination. Any Vice Presidential Officer shall have such
powers and perform such duties as from time to time may be assigned to him by
the Board of Directors, the Chief Executive Officer or these By-Laws. In the
absence or disability of any Vice Presidential Officer, his Assistant shall
perform the duties and may exercise the power of such Vice Presidential
Officer.

SECTION 7 -- SECRETARY

         The Secretary shall keep the minutes of the meetings of the
stockholders and the Board of Directors and of the Executive Committee in books
provided for the purpose; he shall see that all notices are duly given in
accordance with the provisions of these By-Laws or as required by law; he shall
be custodian of the records and of the corporate seal or seals of the
Corporation; he shall see that the corporate seal is affixed to all documents,
the execution of which, on behalf of the Corporation, under its seal, is duly
authorized and when so affixed may attest the same; and, in general, he shall
perform all duties incident to the office of a secretary of a corporation, and
such other duties as from time to time may be assigned to him by the Chief
Executive Officer or the Board of Directors. The Secretary may sign, with the
Chief Executive Officer or with the President, certificates of stock of the
Corporation. In the absence or disability of the Secretary, any Assistant
Secretary shall perform the duties and may exercise the power of the Secretary.

SECTION 8 -- TREASURER

         The Treasurer shall have charge of and be responsible for all funds,
securities, receipts and disbursements of the Corporation, and shall deposit or
cause to be deposited, in the name of the Corporation, all moneys or other
valuable effects in such banks, trust companies or other depositories as shall,
from time to time, be selected by the Chief Executive Officer or the Board of
Directors; he shall render to the Chief Executive


                                     - 13 -
<PAGE>   14

Officer and to the Board of Directors, whenever requested, an account of the
financial condition of the Corporation; he may sign, with the Chief Executive
Officer, certificates of stock of the Corporation; and, in general, he shall
perform all the duties incident to the office of a treasurer of a corporation,
including the investment of funds of the Corporation, and such other duties as
from time to time may be assigned to him by the Chief Executive Officer or the
Board of Directors. In the absence or disability of the Treasurer, any Assistant
Treasurer shall have the same authority as the Treasurer.

SECTION 9 -- OTHER OFFICERS

         The powers and duties of each other officer who may from time to time
be chosen by the Board of Directors or the Chief Executive Officer shall be as
specified by, or pursuant to authority delegated by, the Board of Directors, or
by the Chief Executive Officer, as the case may be, at the time of the
appointment of such other officer or from time to time thereafter. In addition,
each officer designated as an assistant officer shall assist in the performance
of the duties of the officer to which he or she is assistant, and shall have
the powers and perform the duties of such officer during the absence or
inability to act of such officer.

SECTION 10 -- NON-OFFICER VICE PRESIDENTS

         The Board, or the Chief Executive Officer acting pursuant to authority
delegated by the Board, may appoint or designate such number of additional Vice
Presidents who shall not be officers of the Corporation ("non-officer Vice
Presidents") as they may deem advisable. Each non-officer Vice President shall
have such powers and duties as shall be specified by the Board of Directors or
the Chief Executive Officer, or, as the case may be, at the time of the
appointment of such non-officer Vice President or from time to time thereafter.

SECTION 11 -- TERM AND COMPENSATION

         Officers and non-officer Vice Presidents shall be elected or appointed
by the Board of Directors or (to the extent that the role of such officer or
non-officer Vice President is not enumerated herein) appointed by the Chief
Executive Officer, from time to time, to serve at the pleasure of the Board or
the Chief Executive Officer, as the case may be. Each officer shall hold office
until his or her successor is elected or appointed and qualified, or until his
or her earlier resignation or removal, and each non-officer Vice President
shall serve in such capacity until his resignation or removal from such
position. Any officer or non-officer Vice President may resign at any time upon
written


                                     - 14 -
<PAGE>   15

notice to the Corporation. The compensation of all officers and non-officer Vice
Presidents shall be fixed from time to time by, or pursuant to authority
delegated by, the Board of Directors, or by the Chief Executive Officer, as the
case may be.

                                   ARTICLE V
                                INDEMNIFICATION

SECTION 1 -- INDEMNIFICATION RIGHT

         The Corporation shall indemnify, to the fullest extent now or
hereafter permitted by law, each director, officer or employee of the
Corporation who was or is a party to or a witness in or is threatened to be
made a party to or a witness in any threatened, pending or completed action,
suit or proceeding, whether civil, criminal, administrative or investigative,
by reason of the fact that such person is or was an authorized representative
of the Corporation, against all expenses (including attorneys' fees and
disbursements), judgments, fines (including excise taxes and penalties), and
amounts paid in settlement actually and reasonably incurred by such person in
connection with such action, suit or proceeding.

SECTION 2 -- ADVANCEMENT OF EXPENSES

         The Corporation shall pay expenses (including attorneys' fees and
disbursements) incurred by a director or officer of the Corporation referred to
in Section 1 of this Article V in defending or appearing as a witness in any
civil or criminal action, suit or proceeding described in Section 1 of this
Article V in advance of the final disposition of such action, suit or
proceeding. The expenses incurred by such director or officer in his capacity
as a director or officer of the Corporation shall be paid by the Corporation in
advance of the final disposition of such action, suit or proceeding only upon
receipt of an undertaking by or on behalf of such director or officer to repay
all amounts advanced if it shall ultimately be determined that he is not
entitled to be indemnified by the Corporation because he has not met the
standard of conduct set forth in the first sentence of Section 5 of this
Article V.

SECTION 3 -- INDEMNIFICATION OF OTHERS

         The Corporation may, as determined by the Board of Directors from time
to time, indemnify to the fullest extent now or hereafter permitted by law, any
person who was or is a party to or a witness in or is threatened to be made a
party to or a witness in, or is otherwise involved in, any threatened, pending
or completed action, suit or proceeding, whether civil, criminal,


                                     - 15 -
<PAGE>   16

administrative or investigative, by reason of the fact that he is or was an
authorized representative of the Corporation, against all expenses (including
attorneys' fees and disbursements), judgments, fines (including excise taxes and
penalties), and amounts paid in settlement actually and reasonably incurred by
him in connection with such action, suit or proceeding. Subject to Section 2 of
this Article V, the Corporation may, as determined by the Board of Directors
from time to time, pay expenses incurred by any such person by reason of his
participation in any action, suit or proceeding referred to in this Section 3 in
advance of the final disposition of such action, suit or proceeding.

SECTION 4 -- RELIANCE; NONEXCLUSIVE

         Each director and officer of the Corporation shall be deemed to act in
such capacity in reliance upon such rights of indemnification and advancement
of expenses as are provided in this Article V. The rights of indemnification
and advancement of expenses provided by this Article V shall not be deemed
exclusive of any other rights to which any person seeking indemnification or
advancement of expenses may be entitled under any agreement, vote of
stockholders or disinterested directors, statute or otherwise, both as to
action in such person's official capacity and as to action in another capacity
while holding such office or position, and shall continue as to a person who
has ceased to be an authorized representative of the Corporation and shall
inure to the benefit of the heirs, executors and administrators of such person.

SECTION 5 -- DETERMINATION OF INDEMNIFICATION

         Any indemnification under this Article V shall be made by the
Corporation only as authorized in the specific case upon a determination that
indemnification of the authorized representative is proper in the circumstances
because such person has acted in good faith and in a manner he reasonably
believed to be in or not opposed to the best interests of the Corporation, and,
with respect to any criminal action or proceeding, had no reasonable cause to
believe his conduct was unlawful. Such determination shall be made (a) by the
Board of Directors by a majority vote of a quorum consisting of directors who
were not parties to such action, suit or proceeding, or (b) if such quorum is
not obtainable, or, even if obtainable, a quorum of disinterested directors so
directs, by independent legal counsel in a written opinion, or (c) by the
stockholders. The termination of any action, suit or proceeding by judgment,
order, settlement, conviction, or upon a plea of nolo contendere or its
equivalent, shall not, of itself, create a presumption that the person did not
act in good faith and in a manner which such



                                     - 16 -
<PAGE>   17

person reasonably believed to be in or not opposed to the best interests of the
Corporation, and, with respect to any criminal action or proceeding, had
reasonable cause to believe that such person's conduct was unlawful.

SECTION 6 -- INSURANCE

         The Corporation may purchase and maintain insurance on behalf of any
person referred to in Sections 1 or 3 of this Article V against any liability
asserted against such person and incurred by such person in any capacity, or
arising out of such person's status as such, whether or not the Corporation
would have the power to indemnify such person against such liability under the
provisions of this Article V.

SECTION 7 -- BORROWING BY CORPORATION

         The Board of Directors, without approval of the stockholders, shall
have the power to borrow money on behalf of the Corporation, including the
power to pledge the assets of the Corporation, from time to time to discharge
the Corporation's obligations with respect to indemnification and the
advancement and reimbursement of expenses referred to in this Article V.

SECTION 8 -- CONTINUATION OF INDEMNITY

         For purposes of this Article V, references to "the Corporation" shall
include, in addition to the resulting corporation, any constituent corporation
(including any constituent of a constituent) absorbed in a consolidation or
merger which, if its separate existence had continued, would have had power and
authority to indemnify its authorized representatives, so that any person who
is or was an authorized representative of such constituent corporation shall
stand in the same position under this Article V with respect to the resulting
or surviving corporation as he would have with respect to such constituent
corporation if its separate existence had continued.

SECTION 9 -- AUTHORIZED REPRESENTATIVE

         For the purposes of this Article V, the term "authorized
representative" shall mean a director, officer, employee or agent of the
Corporation or of any subsidiary of the Corporation, or a trustee, custodian,
administrator, committeeman or fiduciary of any employee benefit plan
established and maintained by the Corporation or by any subsidiary of the
Corporation, or a person serving another corporation, partnership, joint
venture, trust or other enterprise in any of the foregoing capacities at the
request of the Corporation.



                                     - 17 -
<PAGE>   18

                                   ARTICLE VI
                                 CAPITAL STOCK

SECTION 1 -- ISSUANCE OF STOCK

         Shares of capital stock of any class now or hereafter authorized,
securities convertible into or exchangeable for such stock, or options or other
rights to purchase such stock or securities, may be issued or granted in
accordance with authority granted by resolution of the Board of Directors.

SECTION 2 -- STOCK CERTIFICATES

         Certificates for shares of the capital stock of the Corporation shall
be in the form adopted by the Board of Directors, may be signed by the
President and Chief Executive Officer and by the Secretary or an Assistant
Secretary or the Treasurer or an Assistant Treasurer, and may be sealed with
the seal of the Corporation. All such certificates shall be numbered
consecutively, and the name of the person owning the shares represented
thereby, with the number of such shares and the date of issue, shall be entered
on the books of the Corporation.

SECTION 3 -- TRANSFER OF STOCK

         Shares of capital stock of the Corporation shall be transferred only
on the books of the Corporation, by the holder of record in person or by the
holder's duly appointed representative, upon surrender to the Corporation or a
transfer agent or agents appointed by the Board of Directors of the certificate
for such shares, duly endorsed for transfer, together with such other documents
(if any) as may be required to effect such transfer.

SECTION 4 -- LOST, STOLEN, DESTROYED, OR MUTILATED CERTIFICATES

         New stock certificates may be issued to replace certificates alleged
to have been lost, stolen, destroyed or mutilated, upon such terms and
conditions, including proof of loss or destruction and the giving of a
satisfactory bond of indemnity, as the Board of Directors may from time to time
determine.

SECTION 5 -- REGULATIONS

         The Board of Directors shall have power and authority to make all such
rules and regulations not inconsistent with these By-Laws as it may deem
expedient concerning the issue, transfer, and registration of shares of capital
stock of the Corporation.



                                     - 18 -
<PAGE>   19

SECTION 6 -- HOLDERS OF RECORD

         The Corporation shall be entitled to treat the holder of record of any
share or shares of capital stock of the Corporation as the holder and owner in
fact thereof for all purposes and shall not be bound to recognize any equitable
or other claim to, or right, title, or interest in, such share or shares on the
part of any other person, whether or not the Corporation shall have express or
other notice thereof, except as otherwise provided by the laws of the State of
Delaware.

                                  ARTICLE VII
                               GENERAL PROVISIONS

SECTION 1 -- CORPORATE SEAL

         The Corporation may adopt a seal in such form as the Board of
Directors shall from time to time determine.

SECTION 2 -- FISCAL YEAR

         The fiscal year of the Corporation shall be as designated by the Board
of Directors from time to time.

SECTION 3 -- AUTHORIZATION

         All checks, notes, vouchers, warrants, drafts, acceptances and other
orders for the payment of moneys of the Corporation shall be signed by such
officer or officers or such other person or persons as the Board of Directors
may from time to time designate.

SECTION 4 -- FINANCIAL REPORTS

         Financial statements or reports shall be sent to the stockholders of
the Corporation annually, but, except as may be required by law, the scope of
such statements or reports shall be within the discretion of the Board of
Directors and such statements or reports shall not be required to have been
examined by or to be accompanied by an opinion of an accountant or firm of
accountants.

SECTION 5 -- SELECTION OF INDEPENDENT PUBLIC ACCOUNTANTS

         Each year, in advance of the annual meeting of stockholders, the Audit
Committee of the Board of Directors shall select the firm of independent public
accountants to audit the books and accounts of the Corporation for the fiscal
year ending March 31



                                     - 19 -
<PAGE>   20

(or such other fiscal year end as shall have been designated by the Board of
Directors pursuant to Section 2 of this Article VII) following such annual
meeting. Such selection shall be submitted for ratification or rejection by the
stockholders at the annual meeting. If the selection should not receive approval
by the holders of a majority of the common stock of the Corporation represented
at such annual meeting, other independent public accountants will be considered
for selection by the Audit Committee.

SECTION 6 -- EFFECT OF BY-LAWS

         No provision in these By-Laws shall vest any property right in any
stockholder.

                                  ARTICLE VIII
                              AMENDMENT OF BY-LAWS

         The authority to adopt, amend or repeal By-Laws of the Corporation is
expressly conferred upon the Board of Directors, which may take such action by
the affirmative vote of a majority of the whole Board of Directors at any
regular or special meeting duly convened after notice of that purpose, subject
always to the power of the stockholders to adopt, amend or repeal By-Laws.


                                     - 20 -


<PAGE>   1
 
                                                                   EXHIBIT 10.11
 
            SUMMARY OF FISCAL YEAR 1997 SENIOR MANAGEMENT BONUS PLAN
 
     In April 1996, the Compensation Committee adopted a Senior Management Bonus
Plan for the 1997 fiscal year which would reward the Company's senior management
personnel with bonus payments if certain revenue and individual performance
objectives were achieved. Under the Senior Management Bonus Plan, no bonus pool
would be available unless specific revenue objectives were met for the fiscal
year. If these objectives were met, then, at the conclusion of the fiscal year,
a bonus pool of 25% of the base salary of each member of senior management would
become available, and for each $1 million by which the revenue objective was
exceeded, an additional .75% of base salary would become available, up to a
maximum of 100% of base salary for each member of senior management. Of the
available bonus pool, 70% of the bonus of each member of senior management would
be based exclusively on the achievement of the corporate revenue objective and
the other 30% would be based on the Compensation Committee's assessment of the
individual performance of each member of senior management within the context of
the senior manager's duties and responsibilities. Because the Company did not
meet the established revenue objective for the 1997 fiscal year, no bonuses were
paid to the Company's senior management personnel under the Senior Management
Bonus Plan.

<PAGE>   1
 
                                                                    EXHIBIT 11.1
 
                 STATEMENT RE COMPUTATION OF PER SHARE EARNINGS
 
PRIMARY EARNINGS PER SHARE
 
<TABLE>
<CAPTION>
                                                                        YEAR ENDED MARCH 31,
                                                                      -------------------------
                                                                         1997          1996
                                                                      -----------   -----------
<S>                                                                   <C>           <C>
Weighted Average Common and Common Equivalent Shares:
Weighted Average Common Stock Outstanding During the Period........    93,117,054    80,269,624
Weighted Average Common Equivalent Shares..........................     6,831,848     6,166,624
                                                                      -----------   -----------
                                                                       99,948,902    86,432,248
                                                                      ===========   ===========
Net income.........................................................   $41,470,000   $ 9,737,000
                                                                      ===========   ===========
Net income per common share........................................   $      0.41   $      0.11
                                                                      ===========   ===========
FULLY DILUTED EARNINGS PER SHARE
Weighted Average Common and Common Equivalent Shares:
Weighted Average Common Stock Outstanding During the Period........    93,117,054    80,269,624
Weighted Average Common Equivalent Shares..........................     5,900,603     6,348,529
                                                                      -----------   -----------
                                                                       99,017,657    86,618,153
                                                                      ===========   ===========
Net income.........................................................   $41,470,000   $ 9,737,000
                                                                      ===========   ===========
Net income per common share........................................   $      0.42   $      0.11
                                                                      ===========   ===========
</TABLE>

<PAGE>   1
                                                           EXHIBIT 21.1

                         SUBSIDIARIES OF THE REGISTRANT

FORE Systems, Inc. owns, either directly or indirectly, through another
wholly-owned subsidiary, all of the outstanding equity interests in each of the
following companies which do business under their respective corporate names:

<TABLE>
<CAPTION>
SUBSIDIARY                                     JURISDICTION OF INCORPORATION
- ----------                                     -----------------------------
<S>                                            <C>
FORE SYSTEMS Holding Corporation               Delaware
FORE Systems Federal, Inc.                     Delaware
FORE Systems Worldwide, Inc.                   Delaware
ALANTEC Corporation                            Delaware
CellAccess Technology, Inc.                    California
Scalable Networks, Inc.                        Delaware
Cadia Networks, Inc.                           Delaware
Nemesys Holding Company                        Delaware
ALANTEC International, Inc.                    California
FORE Systems Japan, Inc.                       Japan
FORE Systems Limited                           United Kingdom
FORE Systems International Inc.                Barbados
FORE Systems GmbH                              Federal Republic of Germany
Nemesys Research                               United Kingdom
FORE Systems S.A.R.L.                          France
FORE Systems AG                                Switzerland
FORE Systems B.V.                              Netherlands
FORE Systems Limited                           Hong Kong
FORE Systems Limited                           Ireland
FORE Systems Limited                           Bermuda
</TABLE>

<PAGE>   1
 
                                                                    EXHIBIT 22.1
 
                       CONSENT OF INDEPENDENT ACCOUNTANTS
 
     We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (Nos. 33-81796, 33-99350, 333-00788, 333-01728, 333-04052
and 333-17017), the Post Effective Amendment No. 1 to Registration Statement on
Form S-8 (No. 333-00788), the Post Effective Amendment No. 1 to Form S-4
Registration Statement on Form S-8 (No.333-00468), the Registration Statements
on Form S-3 (Nos. 33-94850, 33-96780, 33-80683, 333-11627, 333-19545, 333-25559
and 333-27409) and the Post Effective Amendment No. 1 to Registration Statement
on Form S-3 (No. 033-80683) of FORE Systems, Inc., of our report dated April 22,
1997, appearing on page 21 of this Annual Report on Form 10-K.
 
/s/Price Waterhouse LLP
Price Waterhouse LLP
Boston, Massachusetts
June 27, 1997

<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAR-31-1997
<PERIOD-START>                             APR-01-1996
<PERIOD-END>                               MAR-31-1997
<CASH>                                         129,424
<SECURITIES>                                   170,258
<RECEIVABLES>                                   89,087
<ALLOWANCES>                                     4,090
<INVENTORY>                                     50,769
<CURRENT-ASSETS>                               490,671
<PP&E>                                          75,833
<DEPRECIATION>                                  27,927
<TOTAL-ASSETS>                                 538,577
<CURRENT-LIABILITIES>                           84,398
<BONDS>                                              0
                                0
                                          0
<COMMON>                                       405,768
<OTHER-SE>                                      48,411
<TOTAL-LIABILITY-AND-EQUITY>                   538,577
<SALES>                                        395,347
<TOTAL-REVENUES>                               395,347
<CGS>                                          169,118
<TOTAL-COSTS>                                  169,118
<OTHER-EXPENSES>                               173,164
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 65,492
<INCOME-TAX>                                    24,022
<INCOME-CONTINUING>                             41,470
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    41,470
<EPS-PRIMARY>                                     0.41
<EPS-DILUTED>                                     0.42
        

</TABLE>


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