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F5

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FY2000 Annual Report · F5
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f5 network s 2000 annual report and form 10k

[ need information ]

for the year ended

2000

1999

1998

1997

net revenues

loss from operations

net loss

net income (loss) per share – basic and diluted

weighted average shares – basic and diluted

1,724

3,724

.16

13,047

(4,878)

(4,344)

(0.42)

10,238

(3,668)

(3,672)

(0.60)

6,086

$

36,647

$

27,825

$

4,889

$

229

cash and cash equivalents

total employees at year end

$

36,938

$

24,797

$

6,206

$

246

187

80

(1,428)

(1,456)

(0.24)

6,000

143

20

In  less  than  a  decade  the  Internet  has  become

ubiquitous and indispensable – and enormously

complex.  Providing network managers with the

tools to manage the growing complexity of the

Internet  is  what  F5  Networks  is  all  about.  F5

designs,  manufactures  and  markets  intelligent

Internet traffic and content management products

that  combine  our  proprietary  software  with

industry standard hardware.  Optimized for Layer

7  performance  and  functionality,  our  products

deliver  the  flexibility,  scalabilty  and  reliability

needed  to  ensure  that  our  customers’  Internet

sites  are  always  available  and  functioning

properly – in a phrase: open for business.

john mcadam, f5 networks president, ceo and director

to our shareholders

Our  first  full  year  as  a  public  company  was  characterized  by  strong  revenue
growth, solid earnings and exciting additions and enhancements to our family
of intelligent traffic management and content delivery products.

Healthy sales of our core products and growing demand for services drove
fourth  quarter  revenue  to  $36.6  million,  up  25  percent  from  the  prior  quarter
and 166 percent from the fourth quarter of 1999.  After taxes and before non-
recurring expenses, quarterly net income was $3.7 million ($0.16 per share on a
diluted basis).

Reflecting  strong  sequential  growth  throughout  the  year,  fiscal  2000  rev-
enue  of  $108.6  million  was  nearly  four  times  1999  revenue  of  $27.8  million.
After taxes and before non-recurring expenses taken in the fourth quarter, net
income for the year was $16.0 million ($0.69 per share on a diluted basis).

Our flagship BIG-IP® Controller, winner of Network Computing’s “Editor’s
Choice  Award”  for  Web  content  (Layer  7)  switches,  continued  to  account  for
the biggest share of product sales.  Several enhancements to BIG-IP throughout
the year boosted performance and added new Layer 7 functionality.  Superior
Layer  7  performance  and  functionality  were  key  factors  in  Dell  Computer
Corporation’s decision to license BIG-IP technology for their PowerApp.BIG-
IP  appliance  server,  which  began  shipping  in  mid-October.    Also  in  mid-
October, we introduced BIG-IP Enterprise v3.3 with our proprietary FastFlow
architecture,  which  delivers  Layer  7  performance  that  is  three  to  four  times
faster  than  competing  products  from  Cisco  Systems  (ArrowPoint)  and  Nortel
Networks (Alteon).

Our emphasis on delivering leading-edge performance and functionality for
Layer 7 applications is continuing to pay off as use of the Internet for electronic
commerce continues to grow exponentially and new types of data and applica-
tions pose increasingly complex traffic and content management challenges.  In
contrast to competing products, designed to handle routine switching functions
such as routing requests for services (HTTP, FTP, SSL and others) to specific

f 5 3. n e t w o r k s

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servers, BIG-IP is capable of reading detailed information in a request header
(such  as  the  type  of  content  requested  and  the  IP  address  of  the  sender)  and
using that information to route the request to a server that is best able to fulfill it.
Even  more  important  from  an  eCommerce  perspective,  BIG-IP  can  test  each
requested  application  to  ensure  that  it  is  working  properly  and  delivering  the
correct content before routing a request to it.  BIG-IP’s ability to perform these
Layer  7  functions  at  speeds  up  to  four  times  faster  than  competing  products
provides network managers a cost-effective way to ensure that their customers
will have a productive and trouble-free experience each time they transact busi-
ness over their network.

While  sales  of  BIG-IP  represented  the  biggest  share  of  product  revenues
during fiscal 2000, demand for our 3-DNS® and GLOBAL-SITE™ Controllers
and our SEE-IT® Network Manager increased steadily throughout the year and
contributed significantly to our strong revenue growth.  Tight integration of these
products  with  BIG-IP  has  enabled  us  to  offer  customers  a  broad,  end-to-end
solution  for  intelligent  traffic  and  content  management  of  local  and  wide-area
networks.  In August, we broadened the scope of that solution further with the
introduction of our EDGE-FX™ Cache server, which began shipping in mid-Sep-
tember and generated nearly $1 million in sales during the last two weeks of the
fourth quarter.

The addition of EDGE-FX to our product suite opens up a significant new
market opportunity for the company.  According to the most recent market study
published by Internet Research Group, the worldwide market for cache servers is
projected  to  grow  at  a  compound  annual  rate  of  66  percent  over  the  next  four
years, surpassing $2 billion in 2003.  With price/performance that is two to four
times better than competing cache products, EDGE-FX is a highly competitive
offering  both  as  a  standalone  server  and  bundled  in  pairs  with  BIG-IP  and
SEE-IT as a clustered solution that costs about the same as competing standalone
cache products.  In addition, EDGE-FX is tightly integrated with our entire suite

f 5 4. n e t w o r k s

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of product offerings, enhancing its functionality and making it easy to implement
and maintain as part of a complete traffic and content management solution.

The strong demand for all our products during the past year was reflected
in the growth of our customer base as well as in our financial results.  At year-
end  our  installed  base  included  more  than  2,500  customers,  a  150  percent
increase  from  the  fourth  quarter  a  year  ago.    The  majority  of  these  customers
chose our products because traditional switch-based devices could not meet their
needs for complex traffic and content management.  Even though many had pur-
chased competing products to handle routine switching functions, they turned
to F5 for the advanced functionality and performance necessary to manage the
growing  complexity  of  their  networks.    In  contrast,  a  huge  percentage  of  the
market opted to get by with less functionality in hopes that switch vendors can
make good on their promise to deliver true Layer 7 capability.  This segment of
the market represents a major opportunity that we plan to address with a new
line of switch-based BIG-IP products scheduled to ship in mid-2001.

Unlike  traditional  switch  products,  whose  functionality  is  built  into  the
hardware, BIG-IP is a sophisticated and highly-customizable software solution
designed to exploit the capabilities of the hardware on which it runs.  Current
BIG-IP products are Intel-based server appliances, which we will continue to
develop as our high-end offering for large, integrated enterprise solutions.  In
addition, we are developing a new line of Intel-based switch appliances which
will offer the same port density (up to 24 ports) as traditional switch products
with full BIG-IP functionality.  These products will enable us to address a much
broader segment of the market by offering customers intelligent devices that eliminate
the need for separate switching hardware.

To fully leverage our new opportunities in the cache and switch appliance
markets we are continuing to ramp up our sales channels.  Our OEM relation-
ship  with  Dell  and  our  recently  announced  relationship  with  EDS  should
contribute significantly to the growth of overall product sales in fiscal 2001, and

f 5 5. n e t w o r k s

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we plan to continue expanding our base of resellers as well.  During the next 12
months, we also plan to increase the number of quota-carrying sales people from
65 at the beginning of the year to approximately 150 at year-end.  In addition, we
plan to support the growth of our sales channels with continued investments in
our  service  organizations,  including  the  development  of  more  comprehensive
professional services.  During fiscal 2000, service was an important contributor
to our growing revenue stream, and we look for an even larger contribution from
this vital segment of our business in the year ahead.

As  we  move  forward  into  fiscal  2001,  the  turmoil  in  the  financial  markets
has made it difficult to gauge the overall business outlook.  Based on the relative
strength of our technology and our market position, we remain confident in the
outlook for our own business and in our ability to achieve the financial targets
we  have  set  for  the  year.    In  the  spirit  of  Regulation  FD,  we  announced  our
revenue and earnings targets for fiscal 2001 in our fourth quarter 2000 earnings
release, and we plan to update those at the end of each quarter.

On a personal note, I am extremely pleased to have the opportunity to lead
F5 at this exciting stage in the company’s drive to expand its leadership in the
traffic  management  and  content  delivery  market.    On  behalf  of  our  Board  of
Directors and the management team, thanks for your continued support of our
efforts  to  turn  the  opportunities  and  challenges  of  our  evolving  industry  into
steadily increasing shareholder value.

[ john mcadam’s signature ]

john mcadam
president, chief executive officer and director

f 5 6. n e t w o r k s

p a g e

f 5 product suite

big-ip ®

3-dns ®

see-it ®

global-site ™

1

2

3

4

An intelligent local traffic management appliance consisting
of our proprietary software on a pre-configured, industry-
standard hardware platform.  Situated between a network’s
routers and server array, BIG-IP continuously monitors
the array of local servers to ensure application availability
and performance and automatically directs user requests
to the server best able to handle these requests.

An intelligent traffic management appliance that manages and distributes user requests
across wide area networks.  When an end-user request is received from a local domain
name server or DNS, 3-DNS collects network information and communicates with
each BIG-IP in the network to determine the server array with the fastest response
time.  Like BIG-IP, 3-DNS consists of our proprietary software on a pre-configured,
industry-standard hardware platform and is designed to function with multiple
heterogeneous hardware platforms and support a wide variety of network protocols.

A software application that communicates with BIG-IP and
3-DNS to help improve the management and functionality
of an organization’s network servers.  Using real-time data
collected by BIG-IP and 3-DNS, SEE-IT also performs
crucial traffic analysis functions that enable network
administrators to build predictive models, forecast usage,
and plan for additional server and bandwidth capacity.

An intelligent data management solution consisting of our proprietary software
on a pre-configured, industry-standard hardware platform, GLOBAL-SITE
helps organizations automate the publishing, distribution and synchronization
of content and applications across local and geographically dispersed Internet
sites.  GLOBAL-SITE is tightly integrated with our other products to ensure
that newly published and updated files and programs are accurately replicated
and distributed to all intended destinations in an organization’s network.

edge-fx ™

5

A high performance Internet cache server that can be deployed as
a standalone device or tightly integrated with our other products.
EDGE-FX accelerates access to web content by storing frequently-
requested data at strategic points in a network, making it quickly
available to Internet users.  Integrated with our other traffic and
content management products, EDGE-FX enables customers to
implement end-to-end content delivery solutions.

f5 customers

At year-end our customer base included more than
2,500  companies  and  organizations,  ranging  in
size from startups to multinational corporations.
One  thing  they  all  have  in  common  is  a  vital
Internet component of their business that requires
intelligent  management  around  the  clock.    Our
broad  family  of  tightly  integrated,  intelligent
products is designed to help network managers
meet  that  requirement  and  ensure  that  their
network infrastructure can scale to keep pace with
the  growth  of  traffic  and  content  on  their  Web
sites – whether they operate a single site or multiple
sites around the globe.  Like all our customers,
the  four  companies  profiled  on  the  following
pages rely on our products to deliver fast, reliable,
high-quality service to their customers.  But don’t
take  our  word  for  it.  Visit  their  Web  sites  and
see how good eBusiness can be.

customer: nintendo of america  dan lambert // network architecture manager

Nintendo manufactures the best-selling home video game systems, including the hand-held Game Boy
Color and the 64-bit Nintendo 64 home console.  For Nintendo, the end-user’s experience is ultimately
what  matters.    So  whether  the  customer  is  helping  Mario  climb  to  the  highest  point  of  the  castle  to
collect his last star or is at Nintendo’s online customer service site for answers to a particular Game Boy
puzzler,  Nintendo’s  goal  is  to  provide  the  highest  level  of  service  and  the  best  user  experience.    The
company’s  game  systems  are  tightly  coupled  with  its  web  site,  where  users  go  for  general  consumer
information, product support and game specific sites.  When users go to www.Nintendo.com for game
play  assistance,  they  want  help  now.    Nintendo  uses  an  advanced  feature  of  F5  Networks’  BIG-IP
Controller called Extended Content Verification (ECV) to help ensure that users always get the content
that they need – when they request it.  So users don’t receive error messages like ‘Page Not Found’ or
‘Server Not Responding.’  BIG-IP shields users from most any network problems.

“At Nintendo, our belief is that it’s essential to not only provide the highest
quality and most innovative products, but also to treat each customer with
attention,  consideration  and  respect.    Nintendo  uses  its  web  site  as  a  key
interface to interact with and support customers.  We rely on F5’s products
because of their advanced intelligence, sophisticated Layer 7 features, and
added reliability that helps Nintendo deliver the highest quality of service
to customers using our site.”

http://www.nintendo.com

customer: the sharper image  greg alexander // sr. vice president mis

In major metropolitan areas across the U.S., shoppers in the market for an Ionic Breeze Quadra Silent
Air Purifier or a CD Shower Companion with AM/FM Digital Tuner know exactly where to turn: to one
of the more than 90 retail stores operated by The Sharper Image, known worldwide as a leading source
of innovative, high-quality products that make life easier and more enjoyable.  Increasingly, shoppers
everywhere  are  also  turning  to  the  specialty  retailer’s  largest  and  fastest  growing  retail  outlet,
www.sharperimage.com,  where  they  can  browse  and  buy  online  24  hours  a  day,  seven  days  a  week.
With  year-to-year  sales  up  more  than  100  percent,  sharperimage.com  relies  on  the  advanced  Layer  7
capabilities of F5 products to ensure that customers enjoy a pleasant shopping experience and that all
transactions are executed efficiently.  Extended content verification tests the site’s shopping cart and
other applications to make sure they are working correctly before customers are routed to them.  SSL
termination  (decryption  of  secure  transmissions)  by  BIG-IP  boosts  server  efficiency  25  –  30  percent,
centralizes the management of certificates, and gives network administrators more flexibility in managing
traffic.    And  header  load  balancing  ensures  that  the  site’s  best  customers  are  recognized  and  treated
accordingly each time they return.  All that helps guarantee that the company’s Web image is as sharp as
the products it sells.

“As core components of our network infrastructure, F5’s products help make
our online store as exciting to shop as our retail outlets and as easy to browse
as our print catalogs.  They also ensure that each transaction is completed
quickly and reliably, without compromising the security of our customers
or the network.”

http://www.sharperimage.com

customer: the motley fool  dwight j. gibbs // chief techie geek

The Motley Fool’s mission is to educate, amuse, and enrich.  Begun as a newsletter serving 60 readers
in  August  1994,  the  Fool  now  reaches  millions  of  people  every  month  as  it  plays  host  to  a  celebrated
community of individuals dedicated to helping each other make better financial decisions and improve
their overall quality of life.  The Motley Fool’s products and services are available across a variety of
media: on its Web site at www.fool.com; via its four best-selling books; through its premium products;
through its syndicated weekly column; via its daily “Market Minutes” and weekly “Motley Fool Radio
Show;” and on the Fool’s international websites found in the UK at www.fool.co.uk and in Germany at
www.fool.de.    To  ensure  they  are  always  able  to  provide  investors  with  access  to  financial  solutions,
The  Motley  Fool  takes  advantage  of  the  BIG-IP  Controller’s  unique  advanced  Layer  7  feature  called
Extended Application Verification (EAV).  EAV checks to ensure that the back-end applications are up
and running and can route users to another server should an application fail – transparent to the user.

“F5’s products assist The Motley Fool in their mission to educate, amuse,
and enrich individual investors 24 hours a day, 365 days a year.  By using
F5’s  advanced  software  functionality,  we  can  detect  even  minor  problems
and make sure that our customers never see them.”

http://www.motleyfool.com

customer: fanball.com  lou pascarella // chief technology officer

Fanball.com  is  one  of  the  hottest  sports  Web  sites  on  the  Internet.    Launched  in  September  1999,
Fanball.com  is  already  a  dominant  player  among  fantasy  sports  sites  that  represent  an  annual  market
approaching $5 billion and cater to an estimated 30 million fantasy sports fans worldwide.  As the online
component of Fanball, a multimedia network that includes magazines and nationally syndicated radio
and TV shows, Fanball.com provides league-hosting software, fantasy sports content, and interactive
fantasy  sports  games  to  a  large  and  growing  base  of  fantasy  sports  enthusiasts.    During  the  NFL  pre-
season  draft  last  August,  the  site  served  up  more  than  200  million  page  views  to  some  half-a-million
visitors who spent an average of more than 3 hours each at the site.  With a new NASCAR racing season
just around the corner and March Madness close behind, the site is gearing up for heavy traffic again
this Spring.  To ensure that applications and content are always available and up-to-date, Fanball.com
relies on the Layer 7 capabilities of BIG-IP and GLOBAL-SITE.  Based on information in the request
header, BIG-IP also differentiates between casual visitors and subscribers and routes them to different
servers.  As a result, the site’s most loyal fans are consistently rewarded with a level of performance and
service that keeps them on top of their game and – most important – coming back.

“F5’s  Layer  7  technology  is  helping  us  build  a  one-stop  fantasy  sports
experience  that  few  other  sites  can  match.    Best  of  all,  F5  products  work
exactly as advertised.  We haven’t had to spend cycles debugging the software
as we have with other components of our network.”

http://www.fanball.com

f 5 networks form 10k

charts

$36.6

$29.2

2,550

2,100

$23.6

$19.2

$13.8

$7.6

1,600

1,175

750

479

$3.8

$2.7

339

217

Q:

1

2

3

4

1

2

3

4

Q:

1

2

3

4

1

2

3

4

1999

2000

1999

2000

net revenues (millions)

customer growth

united states
securities and exchange commission
washington, dc 20549

form 10-k

[x]

annual report pursuant to section 13 or 15(d) of the securities exchange act of 1934

for the fiscal year ended september 30, 2000

or

[x] transition report pursuant to section 13 or 15(d) of the securities exchange act of 1934

Commission File Number 000-26041
  f5 network s, inc.
(exact name of registrant as specified in its charter)

Washington
(state or other jurisdiction of
incorporation or organization)

91-1714307
(i.r.s. employer identification no.)

501 Elliott Ave West
Seattle, Washington 98119
(address of principal executive offices)

(206) 272-5555
(registrant’s telephone number, including area code)

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

Securities registered pursuant to Section 12(g) of the Act:
Common Stock, no par value

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 (229.405 of this chapter) 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 December 1, 2000, the aggregate market value of the Registrant’s Common Stock held by nonaffiliates of the Regis-
trant was $392,846,884 based on the closing sales price of the Registrant’s Common Stock on the Nasdaq National Market.

As of December 1, 2000, the number of shares of the Registrant’s Common Stock outstanding was 21,696,714.

documents incorporated by reference

Portions of the Registrant’s definitive proxy statement relating to its 2001 annual meeting of shareholders, to be held
on February 21, 2001, are incorporated by reference into Part III hereof.

page 1 of 51 pages
the exhibit index begins on page 65

F 5 17. N e t w o r k s

p a g e

f5 networks, inc.
form 10-k
table of contents

part i

Item 1
Item 2
Item 3
Item 4

Business ............................................................................................................................................................................... 19
Properties ............................................................................................................................................................................ 27
Legal Proceedings ............................................................................................................................................................... 27
Submission of Matters to a Vote of Securities Holders ................................................................................................... 28

part ii

Market For Registrant’s Common Stock and Related Shareholder Matters .................................................................. 28
Item 5
Selected Financial Data ...................................................................................................................................................... 29
Item 6
Management’s Discussion and Analysis of Financial Condition and Results of Operations ....................................... 30
Item 7
Item 7a Quantitative and Qualitative Disclosure About Market Risk .......................................................................................... 41
Financial Statements and Supplementary Data ................................................................................................................ 42
Item 8

part iii

Item 9
Changes in and Disagreements with Accountants on Accounting and Financial Disclosure ....................................... 61
Item 10 Directors and Executive Officers of the Registrant ......................................................................................................... 61
Executive Compensation .................................................................................................................................................... 61
Item 11
Security Ownership of Certain Beneficial Owners and Management ............................................................................ 61
Item 12
Certain Relationships and Related Transactions ............................................................................................................. 61
Item 13

Item 14

Exhibits, Financial Statement Schedules and Reports of Form 8-K .............................................................................. 62

part iv

F 5 18. N e t w o r k s

p a g e

part i

item 1. business.

description of business

F5 is a leading provider of integrated Internet traffic and content management solutions designed to improve the
availability  and  performance  of  Internet-based  servers  and  applications.    Our  products  monitor  and  manage  local
and geographically dispersed servers and intelligently direct traffic to the server best able to handle a user’s request.
Our content management products enable network managers to increase access to content by capturing and storing
it at points between production servers and end-users and ensure that newly published or updated files and applica-
tions are replicated uniformly across all target servers. When combined with our network management tools, these
products help organizations optimize their network server availability and performance and cost-effectively manage
their Internet infrastructure.

Certain statements under the captions “Risk Factors,” “Management’s Discussion and Analysis of Financial Con-
dition  and  Results  of  Operations”  and  “Business,”  and  elsewhere  in  this  report  are  “forward-looking  statements.”
These forward-looking statements include, but are not limited to, statements about our plans, objectives, expecta-
tions  and  intentions  and  other  statements  contained  in  this  report  that  are  not  historical  facts.    When  used  in  this
report, the words “expects,” “anticipates,” “intends,” “plans,” “believes,” “seeks,” “estimates” and similar expres-
sions are generally intended to identify forward-looking statements.  Because these forward-looking statements in-
volve  risks  and  uncertainties,  there  are  important  factors  that  could  cause  actual  results  to  differ  materially  from
those expressed or implied by these forward-looking statements, including our plans, objectives, expectations and
intentions and other factors discussed under “Risk Factors.”

industry background

Significant growth in the number of Internet users coupled with the increased availability of powerful new tools
and  equipment  that  enable  the  development,  processing  and  distribution  of  data  across  the  Internet,  has  led  to  a
proliferation  of  Internet-based  applications  and  services,  such  as  e-commerce,  e-mail,  electronic  file  transfers  and
online interactive applications.  Network infrastructures are further strained by unpredictable traffic, the complex-
ity of the network environment and the increased variety of data, including multimedia components and video clips.
At the same time, the complexity and volume of Internet traffic has increased dramatically.

An  increasing  number  of  businesses  rely  on  the  Internet  as  a  fundamental  commerce  and  communication  tool.
Failure  of  these  businesses  to  deliver  expected  availability  and  performance  for  their  Internet-based  applications
can result in a significant cost to the organization.

To  support  the  dramatic  increases  in  Internet  traffic,  many  organizations  have  aggressively  expanded  network
server capacity. In this environment, organizations often deploy multiple servers in a group, or array, which contains
individual  application-specific  servers  or  redundant  servers  that  operate  together  as  a  virtual  large  server.    Server
arrays can reduce single points of failure and be a cost-effective way to increase the potential capacity of the system by
providing the flexibility to add additional servers to the array as needed.  The practice of deploying server arrays in
geographically dispersed sites to help prevent system failure and direct traffic more efficiently is also a growing trend.
Along with their benefits, server arrays and geographically dispersed sites have increased the need for intelligent
traffic and content management devices to optimize server availability and performance. Intelligent traffic manage-
ment devices identify which server, whether local or remote, is best able to handle user requests. They also read and
interpret user requests and route those requests to the most responsive server or to servers or arrays that have been
designated to handle specific types of requests. Content management devices include controllers that replicate pub-
lished  content  to  ensure  that  it  is  uniformly  available  on  all  servers  in  a  network.  Cache  servers  increase  access  to
content by capturing and storing content at one or more points between network servers and users.

Currently,  many  available  Internet  traffic  and  content  management  products  are  extensions  of  hardware-based
routers, which lack the robust functionality required to manage the increasing complexity of requests and responses

F 5 19. N e t w o r k s

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that characterize business activity on the Internet. These products are typically not designed to address application
availability, nor do they meet the manageability and scalability required by organizations who depend on the Inter-
net  as  a  fundamental  commerce  and  communications  tool.    As  a  result,  we  believe  they  do  not  measure  up  to  the
demands of today’s rapidly changing Internet environment.

f5 solution

We  develop,  market  and  support  intelligent,  cost-effective,  integrated  Internet  traffic  and  content  management
solutions  designed  to  ensure  that  content  and  applications  on  Internet-based  servers  are  continuously  and  readily
available.    Our  intelligent  traffic  management  products  monitor  and  manage  locally  and  geographically  dispersed
servers,  and  intelligently  direct  traffic  to  the  server  best  able  to  handle  the  user  request.  Our  content  management
products help ensure new and updated content is replicated uniformly across all servers and is readily accessible to
all users. As components of an integrated solution, our products are designed to ensure Internet quality control by
providing the following key benefits:

high system availability  Our integrated suite of products works with servers deployed in a redundant server
array  over  a  local  or  wide  area  network  to  enhance  network  performance  and  reduce  single  points  of  failure.    Our
traffic management products continuously monitor network performance to enable real-time detection of server, ap-
plication  and  content  degradation  or  failure.    Based  on  this  information,  our  solutions  automatically  direct  user
requests  to  functioning  servers  and  applications.    Our  products  also  enable  network  administrators  to  deploy  new
servers and take individual servers offline for routine maintenance without disrupting service to end users.

increased  performance    Our  products  provide  a  significant  performance  improvement  over  other  current  ap-
proaches.    Our  traffic  and  content  management  products  monitor  server  and  application  response  time  and  verify
content.  This information is used to intelligently direct user requests to the server with the fastest response time.
They  also  read  and  interpret  individual  requests  and  can  direct  those  requests  to  specific  servers,  arrays  or  sites
based on predetermined rules defined by network managers. As a complement to these products, our cache servers
improve performance by capturing and storing content at points between network servers and end-users, where con-
tent  can  be  accessed  more  quickly.  By  intelligently  directing  traffic  throughout  the  network,  our  solutions  reduce
server overload conditions that may cause performance degradation.

cost-effective scalability  Our solutions enable more efficient utilization of existing server capacity by intelli-
gently directing traffic among servers.  This capability allows organizations to optimize the capacity of existing serv-
ers and, as traffic volume dictates, cost-effectively expand server capacity through incremental additions of relatively
low  cost  servers  rather  than  upgrading  to  larger,  more  expensive  servers.    Our  solutions  can  be  used  with  multiple
heterogeneous hardware platforms, allowing organizations to protect their investments in their legacy hardware in-
stallations as well as integrate future hardware investments. In addition, strategic deployment of our cache products
can reduce the load on network servers and minimize the need to add more expensive production server capacity.

easier network manageability  Our products collect information that can be used to facilitate network manage-
ment and planning from a central location.  Leveraging our products’ strategic location in the network, our solutions
collect data that is crucial for traffic analysis and apply proprietary trend and analysis tools that synthesize this data
so that network managers can forecast network requirements more accurately.  In addition, our products automati-
cally synchronize content across remote locations, helping to ensure users access to the same content regardless of
server location.

enhanced network control  Our solutions enable organizations to prioritize and arrange network traffic based
on specific rules defined by network managers.  For example, our products may be configured to direct traffic over
the most cost-efficient communication links or, alternatively, to deliver the most rapid response to requests.

strategy

Our  objective  is  to  be  the  leading  provider  of  integrated  Internet  traffic  and  content  management  solutions  de-

signed to optimize network availability and performance.  Key components of our strategy include:

offer  complete  internet  traffic  and  content  management  solutions    We  plan  to  continue  expanding  our
existing suite of products to provide complete Internet traffic and content management solutions.  We also intend to
continue  investing  in  our  professional  services  group  to  provide  the  installation,  training  and  support  services  re-
quired to help our customers optimize their use of our integrated traffic and content management products.

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invest  in  technology  to  continue  to  meet  customer  needs    Our  current  technology  platform  has  been  de-
signed to quickly and easily expand the features and functionalities of our suite of products and support the devel-
opment of additional products that address the complex and changing needs of our customers.  We will continue to
invest in research and development to provide our customers with complete Internet traffic and content management
solutions that meet their needs.

expand sales channels and geographic scope of sales  We continue to invest significant resources in the ex-
pansion of our sales channels.  In addition to maintaining a strong direct sales force, we are expanding our indirect
sales  channels  through  leading  industry  resellers,  original  equipment  manufacturers,  systems  integrators,  Internet
service providers and other channel partners.  Furthermore, we are expanding sales of our Internet traffic and con-
tent management solutions to government entities.  We are also aggressively developing our international sales capa-
bilities, particularly in selected countries in the European and Asia Pacific markets.

build and expand relationships with strategic partners  We capitalize on products, technologies and chan-
nels that may be available through partners.  We currently have an OEM relationship with Dell Computer Corpora-
tion and a licensing agreement for our BIG-IP load-balancing technology with Extreme Networks.  We continue to
seek  relationships  with  partners  that  will  enable  us  to  increase  the  market  opportunity  for  our  products  and  tech-
nologies.

leverage our market leadership to continue to build the f5 brand  We continue building brand awareness
that  positions  us  as  one  of  the  leading  providers  of  intelligent  Internet  traffic  and  content  management  solutions.
Our  goal  is  for  the  F5  brand  to  be  synonymous  with  superior  network  performance,  high  quality  customer  service
and ease of use.  To achieve these objectives, we continue to invest in a broad range of marketing programs, includ-
ing active tradeshow participation, advertising in print publications, direct marketing, high-profile Web events and
our Internet site.

pursue  strategic  acquisitions    We  may  selectively  pursue  strategic  acquisition  of  products  and  technologies

that complement or expand our existing Internet traffic and content management solutions.

products and technology

We have developed our BIG-IP ®, 3-DNS ® and GLOBAL-SITE‘ Controllers and the SEE-IT™ Network Manager
as a suite of Internet traffic and content management products that facilitate high performance, high availability and
scalable  access  to  network  server  arrays  located  at  a  single  site  or  across  multiple,  geographically  dispersed  sites.
Recently we added EDGE-FX™ Cache to our suite of products, enabling end-to-end content delivery solutions. Our
ongoing  investment  in  technology  is  focused  on  achieving  continuous  performance  enhancements,  increased  func-
tionality, enhanced ease of use and increased product integration. Following is a table of our current products, fol-
lowed by a brief description of each product:

product name

description

big-ip ® controller

3-dns ® controller

see-it ™ network manager

global-site ™ controller

edge-fx ™ cache

intelligent load balancer for local
area networks
intelligent load balancer for wide
area networks
traffic analysis and network management
software application for big-ip and 3-dns
file replication and synchronization
controller for managing content across
geographically dispersed internet sites
high performance cache server for
fast delivery of internet content

introduction date

july 1997

september 1998

april 1999

october 1999

august 2000

big-ip controller  BIG-IP is an intelligent local traffic management appliance consisting of our proprietary software
on a pre-configured, industry-standard hardware platform.  Situated between a network’s routers and server array,
BIG-IP continuously monitors the array of local servers to ensure application availability and performance and auto-
matically directs user requests to the server best able to handle these requests.  By quickly detecting application and

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server failures, and directing service toward those servers and applications that are functioning properly, BIG-IP is
designed to shield users from system failures and provide timely responses to user requests and data flow.  BIG-IP
offers  a  comprehensive  selection  of  load  balancing  algorithms  that  lets  network  managers  choose  a  load  balancing
configuration that best suits their organization’s particular needs.  In addition, BIG-IP actively queries and checks
content received from applications. If a server and application are responding to users’ requests with incorrect con-
tent,  BIG-IP  redirects  requests  to  those  servers  and  applications  that  are  responding  properly,  thereby  helping  to
ensure the quality of Web content.

BIG-IP  is  compatible  with  any  system  that  uses  the  standard  Internet  communication  protocol  or  IP,  and  can
operate with multiple, heterogeneous hardware platforms.  This enables organizations to leverage their existing in-
frastructure without limiting their options to meet future network needs.  BIG-IP supports a wide variety of network
protocols, including Web, e-mail, audio, video, database and file transfer protocol.  BIG-IP also manages traffic for
network  devices  such  as  firewalls  that  prevent  unauthorized  access  to  a  network  system,  cache  servers  that  store
frequently  accessed  Web  content  and  multimedia.    BIG-IP’s  ability  to  intelligently  distribute  traffic  across  server
arrays  reduces  the  need  for  increasingly  larger  and  more  expensive  servers  to  accommodate  increases  in  network
traffic.  This configuration also reduces the single point of failure inherent with a single large server and allows for
the orderly addition of new servers or the routine maintenance or upgrades of servers without disrupting service to
the end user.

BIG-IP’s  unique  Layer  7  switching  capability  enables  the  successful  delivery  of  business-critical  applications
with  24/7  availability,  scalability,  and  high  performance.  Examining  traffic  at  Layer  7  allows  intelligent  quality  of
service  (QoS)  through  routing  and  management  decisions  made  based  on  application  information.  BIG-IP  enables
the use of all of its Layer 7 features simultaneously without imposing limitations on the length of the URL, cookie, or
location of the cookie – providing intelligent, granular management of web sites without performance degradation.

Additional BIG-IP features include:

• Secure sockets layer (SSL) session persistence enables server arrays to support e-commerce and other appli-
cations by allowing users to re-establish a secure connection with a specific server to complete an unfinished
transaction.

• Secure server protection protects against unauthorized use of the network server array.
• Rate shaping allows priority levels to be assigned to specific types of traffic.
• Packet filtering enables content providers to direct network traffic to servers based on criteria set by network

managers.

3-dns controller  3-DNS is an intelligent wide area traffic management appliance that manages and distributes
user requests across wide area networks.  3-DNS consists of our proprietary software, which we load on a pre-config-
ured,  industry-standard  hardware  platform.    Like  BIG-IP,  3-DNS  functions  with  multiple  heterogeneous  hardware
platforms and supports a wide variety of network protocols, including Web, e-mail, audio, video, database and file
transfer protocol, and manages traffic for network devices such as firewalls, cache servers and multimedia servers.

When an end-user request is received from a local domain name server or DNS, 3-DNS collects network informa-
tion  and  communicates  with  each  site  in  the  network  to  determine  the  site  with  the  fastest  response  time.  3-DNS,
integrated with BIG-IP, sends the request to the BIG-IP at the site. BIG-IP then directs the request to the individual
server  best  able  to  handle  it.    Although  organizations  can  deploy  a  single  3-DNS  in  their  network  configuration,
multiple  3-DNS  Controllers  are  often  deployed  within  the  network  to  provide  redundancy  to  help  ensure  network
availability and performance for end users.
Additional 3-DNS features include:

• Dynamic load balancing optimizes use of available network resources across wide area networks.
• User-defined production rules allow organizations to pre-configure traffic distribution decisions according to

their specific user requirements.

• Secure server protection offers security features for wide area networks similar to those BIG-IP provides for

local area networks.

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see-it network manager  SEE-IT is a software application that communicates with BIG-IP and 3-DNS to help
improve  the  management  and  functionality  of  an  organization’s  network  servers.    SEE-IT,  which  runs  on  an  NT
server, uses real-time data collected by BIG-IP and 3-DNS to perform crucial traffic analysis management functions.
By reviewing historical patterns, network administrators can build predictive models and forecast usage, which helps
them to intelligently plan and budget for additional server and bandwidth capacity.  SEE-IT comes pre-loaded with
BIG-IP and 3-DNS and consists of the following capabilities:

• Real-time monitoring that displays key data on network traffic in easy-to-read graphical illustrations, thereby
enabling  network  administrators  to  quickly  obtain  information  regarding  network  and  server  performance,
including data about server status and traffic, number of connections, active and inactive IP addresses and the
availability of individual applications.

• Forward-looking  trend  and  analysis  tools  that  use  the  information  generated  by  BIG-IP  to  project  future
network and server needs.  Network managers and system administrators can use these tools to create “what
if?” scenarios to help forecast the need for additional servers, interface upgrades and other network capacity
requirements.

global-site controller  GLOBAL-SITE, a global data delivery appliance, has been designed to help organiza-
tions  automate  the  distribution  and  synchronization  of  file-based  content  and  applications  to  local  and  geographi-
cally dispersed Internet sites.  GLOBAL-SITE was developed to work with our other products to provide an inte-
grated Internet traffic and content management solution.  GLOBAL-SITE consists of our proprietary software, which
is loaded on a preconfigured, industry-standard hardware platform and was developed to intelligently deploy both
program  and  data  files  to  arrays  of  heterogeneous  Web  servers.    GLOBAL-SITE’s  configuration  database    allows
administrators to define standard rules for content deployment as well as accommodate unique content distribution
events as needed.

edge-fx cache  EDGE-FX is a price/performance leading Internet cache server that can be deployed as a standalone
device or integrated with our other products. EDGE-FX consists of software loaded on a pre-configured, industry
standard  hardware  platform.  EDGE-FX  accelerates  access  to  web  content  by  storing  frequently  requested  data  at
strategic points in a computer network, making it quickly available to Internet users. As a standalone device, EDGE-
FX  may  be  installed  in  virtually  any  network  infrastructure.  Integrated  with  our  other  traffic  and  content  manage-
ment products, EDGE-FX enables customers to implement end-to-end content delivery solutions.

EDGE-FX supports three flexible deployment options to conserve bandwidth and server resources while acceler-

ating content to Internet users.

• Forward Proxy is deployed in front of Web browsers for internal user access. EDGE-FX can be positioned as
a forward proxy cache, making it valuable for enterprise Intranets. Instead of sending requests for Web con-
tent directly to the origin server, browsers are configured to send requests directly to the cache.

• Transparent Forward Proxy, when combined with BIG-IP or a Layer 4 switch, EDGE-FX can be deployed as a
transparent proxy cache, automatically examining each request without the need to reconfigure Web browsers.
• Reverse  Proxy,  when  deployed  in  front  of  web  servers  for  external  user  access,  EDGE-FX  transfers  client
requests from the Web server, eliminating the danger of server traffic surges. EDGE-FX can also lower overall
costs by conserving access to origin servers and bandwidth.

Designed for massive scalability, multiple EDGE-FX can be managed with the BIG-IP Cache Controller to enable
cache farm load balancing, replication of content across multiple caches, and Layer 7 management of cached objects.

product development

We believe that our future success depends on our ability to build upon our current technology platform, expand
the features and functionalities of our suite of Internet traffic and content management products and develop addi-
tional products that maintain our technological competitiveness.  Our product development group, which is divided
along product lines, employs a standard process for the design, development, documentation and quality control of
our  Internet  traffic  and  content  management  solutions.    Each  product  line  is  headed  by  a  lead  architect,  who  is

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responsible for developing the technology behind the product.  To help develop the technology, the lead architects
work closely with our customers to better understand their requirements.  Software engineers who help design and
build  the  products,  and  technicians,  who  perform  test  engineering,  configuration  management,  quality  assurance
and  documentation  functions,  complete  our  product  development  teams.    The  test  engineering  team  evaluates  the
overall quality of our products and determines whether they are ready for release.

Our product development expenses for fiscal 2000, 1999 and 1998 were $14.5 million, $5.6 million and $1.8 mil-
lion,  respectively.    We  expect  our  product  development  expenses  to  increase  as  we  hire  additional  research  and
development personnel to develop new products and upgrade our existing ones.

customers

Our target customers include Internet service providers, companies with large e-commerce sites and high-traffic
Internet or intranet Web sites.  We have sold our products directly or through resellers to over 2,500 end-customers
as of September 30, 2000.  Our largest reseller, Exodus Communications, accounted for 14% of our net revenues for
the  year  ended  September  30,  2000.  During  the  fourth  quarter  of  fiscal  2000  ended  September  30,  no  single  cus-
tomer or reseller accounted for more than 10% total sales.

sales and marketing

We market and sell our Internet traffic and content management solutions on a global basis through direct sales
and channel partners. We plan to continue investing significant resources to expand our direct sales force and fur-
ther develop our indirect sales channels by developing relationships with leading industry resellers, original equip-
ment manufacturers, systems integrators, Internet service providers and other channel partners.  Typically, our agreements
with our channel partners are not exclusive and do not prevent our channel partners from selling competitive prod-
ucts.  These agreements typically have terms of one or two years with no obligation to renew, and typically do not
provide for exclusive sales territories or minimum purchase requirements.

Exodus and Frontier GlobalCenter account for most of our indirect sales.  We are in the process of seeking chan-
nel  partners  for  our  products  in  the  United  States  and  selected  countries  in  the  European,  Asia  Pacific  and  South
American markets.  We have increased, and plan to further increase, the number of individuals focused on sales to
government entities, and are developing strategic relationships that will help facilitate these sales.

Our domestic sales managers are located in Atlanta, Boston, Chicago, Dallas, Los Angeles, New York, San Fran-
cisco, Seattle, and Washington D.C. Our international sales managers are located in Australia, Canada, China, Ger-
many, Hong Kong, India, Japan, Korea, Malaysia, Singapore and the United Kingdom.  The inside sales team gener-
ates and qualifies leads for our regional sales managers and help manage accounts by serving as a liaison between our
field  and  internal  corporate  resources.    Our  field  systems  engineers  also  support  our  regional  sales  managers  by
participating in joint sales calls and providing pre-sale technical resources as needed.

Our marketing programs are focused on creating awareness of our Internet traffic and content management solu-
tions targeted at information technology professionals such as chief information officers. We plan to continue build-
ing strong brand awareness to leverage the value of our Internet traffic and content management products and pro-
fessional services in the marketplace.  We believe brand visibility is a key factor in increasing customer awareness,
and  our  goal  is  for  the  F5  brand  to  be  synonymous  with  superior  performance,  high  quality  customer  service  and
ease  of  use.    We  market  our  products  and  services  through  a  broad  range  of  marketing  programs,  including  active
tradeshow participation, advertising in print publications, direct marketing, high-profile Web events and our Inter-
net site.

professional services and technical support

We believe that our ability to consistently provide high-quality customer service and support will be a key factor
in attracting and retaining customers.  Prior to the installation of our Internet traffic and content management solu-
tions, our professional services team works with organizations to analyze and understand their special network needs.
They also make recommendations on how to integrate our solutions to best utilize our product features and function-
ality  to  support  their  unique  network  environment.    Once  our  customers  purchase  our  products,  we  go  on-site  to
help with installation and provide an initial training session to help our customers make use of the functionality built
into our products. The installation process generally occurs within 30 days of product shipment to the customer.

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Our technical support team assists our customers with online updates and upgrades and provides remote support
through a 24x7 help desk. We also offer seminars and training classes for our customers on the configuration and use
of  our  products,  including  local  and  wide  area  network  system  administration  and  management.    In  addition,  we
provide a full range of consulting services to our customers, including comprehensive network management, docu-
mentation and performance analysis and capacity planning to assist in predicting future network requirements.

manufacturing

We outsource the manufacturing of our pre-configured, industry-standard hardware platforms to three contract
manufacturers, who assemble these hardware platforms to our specifications.  These platforms consist primarily of
an  Intel-based  computing  platform,  rack-mounted  enclosure  system  and  custom-designed  front  panel.    We  install
our proprietary software onto the hardware platforms and conduct functionality testing, quality assurance and docu-
mentation control prior to shipping our products.  Subcontractors supply our contract manufacturers with the stan-
dard parts and components for our products, which consist primarily of motherboards, reboot cards and chassis for
our products, although recently we have begun to stock certain key components.  Generally purchase commitments
with our limited source suppliers are on a purchase order basis.

competition

Our  markets  are  new,  rapidly  evolving  and  highly  competitive,  and  we  expect  this  competition  to  persist  and
intensify in the future.  We compete in the Internet traffic and content management market primarily on the basis of
product  price/performance,  service,  and  warranty.    Our  principal  competitors  in  the  Internet  traffic  and  content
management market include CacheFlow, Cisco Systems, Extreme Networks, Foundry Networks, Inktomi, Network
Applicance, Nortel Networks, RadWare and Resonate.

Cisco  Systems  has  a  product  offering  similar  to  ours  and  holds  the  dominant  share  of  the  market.    Cisco  has  a
longer  operating  history  and  significantly  greater  financial,  technical,  marketing  and  other  resources  than  we  do.
Cisco also has a more extensive customer base and broader customer relationships including relationships with many
of our current and potential customers that could be leveraged.  In addition, Cisco has large, well established, worldwide
customer support and professional services organizations and a more extensive direct sales force and sales channels
than we do.  Cisco and our other competitors may be able to respond more quickly to new or emerging technologies
and  changes  in  customer  requirements  than  we  can.    There  is  also  the  possibility  that  these  companies  may  adopt
aggressive pricing policies to gain market share.  As a result, these companies pose a serious competitive threat that
could  undermine  our  ability  to  win  new  customers  and  maintain  our  existing  customer  base.  Nevertheless,  we  be-
lieve these threats are mitigated by differences between the functionality and performance of our products and those
of our competitors, including Cisco.

intellectual property

We rely on a combination of copyright, trademark and trade secret laws and restrictions on disclosure to protect
our intellectual property rights.  We currently do not have any issued patents but have 10 applications pending for
various  aspects  of  our  technology.    We  also  enter  into  confidentiality  or  license  agreements  with  our  employees,
consultants  and  corporate  partners,  and  control  access  to,  and  distribution  of,  our  software,  documentation  and
other proprietary information.  However, despite our efforts to protect our proprietary rights, unauthorized parties
may attempt to copy or otherwise obtain and use our products or technology.

We incorporate software that is licensed from several third party sources into our products.  These licenses gen-
erally renew automatically on an annual basis.  We believe that alternative technologies for this licensed software are
available both domestically and internationally.

employees

As  of  September  30,  2000,  we  employed  496  full-time  persons,  134  of  whom  were  engaged  in  product  develop-
ment, 176 in sales and marketing, 111 in professional services and technical support and 75 in finance, administration
and  operations.    None  of  our  employees  are  represented  by  a  labor  union  and  we  have  not  experienced  any  work
stoppages to date.  We consider our employee relations to be good.

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directors and executive officers of the registrant

The following table sets forth certain information with respect to our executive officers and directors as of Sep-

tember 30, 2000:

name

age

position

jeffrey s. hussey
john mcadam
carlton g. amdahl
robert j. chamberlain
steven goldman
brett l. helsel
alan j. higginson (1)(2)
karl d. guelich (1)(2)
keith d. grinstein (1)(2)

39
49
48
47
40
40
53
58
40

chairman of the board and chief strategist
president, chief executive officer and director
chief technology officer and director
senior vice president of finance, chief financial officer and treasurer
senior vice president of sales, marketing and services
senior vice president of product development
director
director
director

(1) member of audit committee.
(2) member of compensation committee.

Directors  are  divided  into  three  classes,  with  each  class  as  nearly  equal  in  number  as  possible  with  one  class

elected at each annual meeting to serve for a three-year term.

jeffrey s. hussey co-founded F5 in February 1996 and has been our Chairman since that time. He has served as
our  Chief  Strategist  since  July  2000.  From  February  1996  to  July  2000,  Mr.  Hussey  served  as  our  Chief  Executive
Officer  and  President.  From  February  1996  to  March  1999,  Mr.  Hussey  also  served  as  our  Treasurer.    From  June
1995  to  February  1996,  Mr.  Hussey  served  as  Vice  President  of  Alexander  Hutton  Capital  L.L.C.,  an  investment
banking  firm.    From  September  1993  to  July  1995,  Mr.  Hussey  served  as  President  of  Pacific  Comlink,  an  inter-
exchange carrier providing frame relay and Internet access services to the Pacific Rim, which he founded in Septem-
ber 1993.  Mr. Hussey holds a B.A. in Finance from Seattle Pacific University and an M.B.A. from the University of
Washington.

john mcadam has served as our President, Chief Executive Officer and a director since July 2000. Prior to joining
F5 Networks, Mr. McAdam served as General Manager of the Web server sales business at IBM. From January 1995
until August 1999, Mr. McAdam served as the President and Chief Operating Officer of Sequent Computer Systems,
Inc.,  a  manufacturer  of  high-end  open  systems,  which  was  sold  to  IBM  in  September  1999.  Mr.  McAdam  holds  a
B.Sc. in Computer Science from the University of Glasgow, Scotland.

carlton g. amdahl has served as our Chief Technical Officer since February 2000, and as a Director since May
1998. Mr. Amdahl has operated Amdahl Associates, an independent consulting firm specializing in technology man-
agement, product strategy and system architecture since January 1996. Mr. Amdahl has served as a Director of Net-
work Caching Technology LLC since February 1999. From 1985 to January 1996, Mr. Amdahl served as Chairman of
the Board of Directors and Chief Technical Officer of NetFRAME Systems, a high performance network server com-
pany, which he founded in 1985. Mr. Amdahl is a Stanford University Sloan Fellow and holds a B.S. degree in Elec-
trical Engineering and Computer Science from the University of California, Berkeley, and an M.S. in Management
from Stanford University.

robert  j.  chamberlain  has  served  as  our  Senior  Vice  President  of  Finance,  Chief  Financial  Officer  and  Trea-
surer since April 2000 and as our Vice President of Finance, Chief Financial Officer and Treasurer from March 1999
to April 2000.  From September 1998 to February 1999, Mr. Chamberlain served as Senior Vice President and Chief
Financial Officer of Yesler Software, an early stage company developing a personal multimedia web communication
product.    From  February  1998  to  July  1998,  Mr.  Chamberlain  served  as  Co-President  of  Photodisc,  a  provider  of
digital  imagery,  which  merged  with  Getty  Images  Inc.  in  February  1998.    From  May  1997  to  February  1998,  Mr.
Chamberlain  served  as  Senior  Vice  President  and  Chief  Financial  Officer  of  Photodisc.    From  April  1996  to  May
1997, Mr. Chamberlain served as Executive Vice President and Chief Financial Officer of Midcom Communications
Inc., a telecommunications service provider. Mr. Chamberlain holds a B.S. in Business Administration and Accounting
from California State University, Northridge.

steven  goldman  has  served  as  our  Senior  Vice  President  of  Sales,  Marketing  and  Services  since  July  1999  and
our Vice President of Sales, Marketing and Services from July 1997 to July 1999.  From December 1996 to February

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1997, Mr. Goldman served as Vice President, Enterprise Sales and Services, for Microtest, Inc. a network test equipment
and CD ROM server company, after its acquisition of Logicraft.  From March 1995 to December 1996, Mr. Goldman
served as Executive Vice President, North American Operations, for Logicraft, a CD ROM server company, after its
merger with Virtual Microsystems, a CD ROM server company.  From 1990 to March 1995, Mr. Goldman served as
Vice President of Sales for Virtual Microsystems.  Mr. Goldman holds a B.A. in Economics from the University of
California at Berkeley.

brett l. helsel has served as our Senior Vice President of Product Development since February 2000 and as our
Vice President of Product Development and Chief Technology Officer from May 1998 to February 2000. From April
to May 1998, Mr. Helsel served as our Vice President of Advanced Product Architecture. From March 1997 to March
1998, Mr. Helsel served as Vice President, Product Development, for Cybersafe, Inc., a provider of enterprise-wide
network security solutions. From April 1994 to October 1997, Mr. Helsel served as Site Development Manager for
Wall Data, a host connectivity software company. Mr. Helsel holds a B.S. in Geophysics and Oceanography from the
Florida Institute of Technology.

alan j. higginson has served as one of our directors since May 1996.  From November 1995 to November 1998,
Mr. Higginson served as President of Atrieva Corporation, a provider of advanced data backup and retrieval tech-
nology.  From May 1990 to November 1995, Mr. Higginson served as Executive Vice President of Worldwide Sales
and Marketing for Sierra On-line, a developer of multimedia software for the home personal computer market.  From
May 1990 to November 1995, Mr. Higginson served as President of Sierra On-line’s Bright Star division, a developer
of educational software.  Mr. Higginson holds a B.S. in Commerce and an M.B.A. from the University of Santa Clara.
karl d. guelich has served as one of our directors since June 1999.  Mr. Guelich has been in private practice as a
certified public accountant since his retirement from Ernst & Young in 1993, where he served as the Area Managing
Partner for the Pacific Northwest offices headquartered in Seattle from October 1986 to November 1992.  Mr. Guelich
holds a B.S. degree in Accounting from Arizona State University.

keith  d.  grinstein  has  served  as  one  of  our  directors  since  December  1999.    Mr.  Grinstein  has  been  the  Vice
Chairman of Nextel International, Inc. since September 1999.  From January 1996 to February 1999, Mr. Grinstein
served  as  President,  Chief  Executive  Officer  and  as  a  director  of  Nextel  International,  Inc.    From  January  1991  to
December 1995, Mr. Grinstein was President and Chief Executive Officer of the aviation communications division of
AT&T  Wireless  Services,  Inc.    Mr.  Grinstein  had  a  number  of  positions  at  McCaw  Cellular  and  its  subsidiaries,
include Vice President, General Counsel and Secretary of LIN Broadcasting Company, a subsidiary of McCaw Cel-
lular, and Vice President and Assistant General Counsel of McCaw Cellular.  He is currently on the board of direc-
tors for the Ackerley Group, a media and entertainment company. Mr. Grinstein received a BA from Yale University
and a JD from Georgetown University.

item 2. properties.

Our principal administrative, sales, marketing and research development facilities are located in Seattle, Wash-
ington  and  consist  of  two  buildings  totaling  approximately  195,000  square  feet.  In  April  2000,  we  entered  into  a
lease  agreement  for  the  buildings.  The  lease  commenced  in  July  2000  on  the  first  building;  and  the  lease  on  the
second  building  commenced  in  October  2000.  The  leases  for  both  buildings  expire  in  2012  with  an  option  for  re-
newal. We also lease office space for our field personnel in California, New Jersey, Virginia, Hong Kong, Singapore,
Japan, Korea, Australia, India and the United Kingdom.

item 3.  legal proceedings.

We are not aware of any pending legal proceedings against us that, individually or in the aggregate, would have a
material  adverse  effect  on  our  business,  operating  results,  or  financial  condition. We  may  in  the  future  be  party  to
litigation  arising  in  the  course  of  our  business,  including  claims  that  we  allegedly  infringe  third-party  trademarks
and other intellectual property rights. Such claims, even if not meritorious, could result in the expenditure of sig-
nificant financial and managerial resources.

F 5 27. N e t w o r k s

p a g e

item 4.  submission of matters to a vote of securities holders.

No matters were submitted to a vote of shareholders during the fourth quarter of our fiscal year.

part ii

item 5.  market for registrant’s common stock and related shareholder matters.

market prices and dividends on common stock

Our common stock has traded on the Nasdaq National Market since June 4, 1999 under the symbol “FFIV.”  The

following table sets forth the high and low sales prices of our common stock as reported on Nasdaq.

fiscal year ended september 30, 1999

third quarter (from june 4, 1999)
fourth quarter

fiscal year ended september 30, 2000

first quarter
second quarter
third quarter
fourth quarter

high

45.13
85.00

high

160.50
142.12
76.50
61.50

$
$

$
$
$
$

low

10.13
27.75

low

66.94
62.12
28.37
33.00

$
$

$
$
$
$

As of December 1, 2000 there were 128 holders of record of our common stock, although we believe the number of

beneficial holders of our common stock is substantially greater.

We have never declared or paid cash dividends on our common stock and do not anticipate paying any dividends

in the foreseeable future.  We currently intend to retain our earnings, if any, for developing our business.

report of offering securities and use of proceeds

We sold 2,860,000 shares of common stock in our initial public offering pursuant to a registration statement (No.
333-75817)  filed  under  the  Securities  Act  of  1933,  as  amended,  that  became  effective  on  June  4,  1999.  The  shares
were sold at a price of $10.00 per share to an underwriting syndicate led by Hambrecht & Quist, BancBoston Robertson
Stephens and Dain Rauscher Wessels. The offering commenced on June 4, 1999 and was completed on June 9, 1999.
An additional 140,000 of shares of common stock were sold on behalf of a selling shareholder as part of the initial
public offering. Offering proceeds to F5, after underwriting discounts, net of aggregate expenses of approximately
$1.0 million, were approximately $25.5 million. From the time of receipt through September 30, 2000, the proceeds
were applied as follows:

• $6,000,000 was applied toward lease obligations for new office space secured by an irrevocable standby letter

of credit;

• Approximately $5.7 million was used for the construction of the corporate offices;
• The remainder of the proceeds were approximately $13.8 million and was applied toward working capital expen-
ditures, including expenditures for sales and marketing, research and development and professional services.

F 5 28. N e t w o r k s

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item 6.  selected financial data.

The  following  selected  financial  data  are  derived  from  our  historical  financial  statements.    The  information  set
forth below should be read in conjunction with our financial statements, including the notes thereto, and “Management’s
Discussion and Analysis of Financial Condition and Results of Operation” (in thousands, except per share data).

fiscal year ended september 30,

2000

1999

1998

1997

period from
feb. 26, 1996
(inception) to
sept. 30,
1996

statement of operations data:
net revenues:
products
services

total net revenues

cost of net revenues:

products
services

total cost of net revenues

gross profit

operating expenses:

sales and marketing
research and development
general and administrative
amortization of unearned compensation

total operating expenses

income (loss) from operations
other income (expense), net

income (loss) before income taxes
provision for income taxes

net income (loss)

net income (loss) per share – basic

weighted average shares – basic

net income (loss) per share – diluted

weighted average shares – diluted

september 30,

balance sheet data:
cash and cash equivalents
working capital (deficit)
total assets
long-term obligations
redeemable convertible preferred stock
shareholders’ equity (deficit)

$ 87,980
20,665

108,645

$

$

23,420
4,405

27,825

$

4,119
770

4,889

1,091
314

1,405

3,484

3,881
1,810
1,041
420

7,152

(3,668)
(4)

     (3,672)
–

$

$

(3,672)

(0.60)

$

$

229
–

229

71
–

71

158

565
569
383
69

1,586

(1,428)
(28)

 (1,456)
–

(1,456)

(0.24)

$

$

$

5,582
1,618

7,200

20,625

13,505
5,642
3,869
2,487

25,503

(4,878)
534

(4,344)
–

(4,344)

(0.42)

2
–

2

1
–

1

1

62
103
180
4

349

(348)
18

 (330)
–

(330)

(0.06)

5,932

10,238

6,086

6,000

(0.42)

$

(0.60)

$

(0.24)

$

(0.06)

10,238

6,086

6,000

5,932

1999

1998

1997

1996

$

24,797
25,876
42,846
–
–
31,973

$

6,206
6,763
9,432
–
7,688
(80)

$

143
(317)
919
216
–
(231)

624
617
817
29
–
737

24,660
7,911

32,571

76,074

36,890
14,478
9,727
2,127

63,222

12,852
2,903

15,755
2,105

13,650

0.65

21,137

0.59

23,066

2000

53,017
65,898
122,420
–
–
87,685

$

$

$

$

$

$

$

$

F 5 29. N e t w o r k s

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item 7. management’s discussion and analysis of financial condition and results of operations.

The following Management’s Discussion and Analysis of Financial Condition and Results of Operations should
be  read  in  conjunction  with  our  Financial  Statements  and  Notes.    Our  discussion  contains  forward-looking  state-
ments  based  upon  current  expectations.    These  forward-looking  statements  include,  but  are  not  limited  to,  state-
ments  about  our  plans,  objectives,  expectations  and  intentions  and  other  statements  that  are  not  historical  facts.
Because  these  forward-looking  statements  involve  risks  and  uncertainties,  our  actual  results  and  the  timing  of  cer-
tain events could differ materially from those anticipated in these forward-looking statements as a result of certain
factors, including those set forth under “Risk Factors, “Business” and elsewhere in this report.

overview

F5 was incorporated on February 26, 1996 and began operations in April 1996. Our fiscal year ended on Septem-

ber 30, 2000.

From  our  inception  through  May  1999,  we  financed  our  operations  and  capital  expenditures  primarily  through
the sale of approximately $12.4 million in equity securities. In June 1999, we completed an initial public offering of
2,860,000 shares of common stock and raised approximately $25.5 million, net of offering costs. In October 1999,
we completed a secondary public offering of 500,000 shares of common stock and raised approximately $31.5 mil-
lion, net of offering costs.

For  the  fiscal  years  1998  through  2000,  our  net  revenues  were  $4.9  million,  $27.8  million  and  $108.6  million
respectively. We achieved our first quarterly profit during the fourth quarter of fiscal year 1999 and our first annual
profit in fiscal year 2000.

Currently,  we  derive  approximately  62%  of  our  net  revenues  from  sales  of  BIG-IP,  and  we  expect  to  derive  a
significant portion of our net revenues from sales of BIG-IP in the future. During fiscal year 2000, one of our resellers,
Exodus Communications, accounted for 14% of our net revenues and 8% of our accounts receivable balance at Sep-
tember 30, 2000.

Net revenues derived from customers located outside of the United States were $20.6 million in fiscal 2000, $2.2
million  in  fiscal  1999,  and  $172,000  in  fiscal  1998.    We  plan  to  continue  expanding  our  international  operations
significantly, particularly in selected countries in the European and Asia Pacific markets, because we believe inter-
national markets represent a significant growth opportunity.

Customers  who  purchase  our  products  have  the  option  to  receive  installation  services  and  an  initial  customer
support contract, typically covering a 12-month period.  We generally combine the software license, installation, and
customer  support  elements  of  our  products  into  a  package  with  a  single  price.    We  allocate  a  portion  of  the  sales
price to each element of the bundled package based on their respective fair values when the individual elements are
sold separately.  Customers may also purchase consulting services and renew their initial customer support contract.
Revenues  from  the  sale  of  our  products  and  software  licenses  are  recognized,  net  of  allowances  for  estimated
returns,  when  the  product  has  been  shipped  and  the  customer  is  obligated  to  pay  for  the  product.  Estimated  sales
returns are based on historical experience by product and are recorded at the time revenues are recognized. Services
revenue for installation is recognized when the product has been installed at the customer’s site.  Revenues for cus-
tomer  support  are  recognized  on  a  straight-line  basis  over  the  service  contract  term.    Consulting  services  are  cus-
tomarily billed at fixed rates, plus out-of-pocket expenses, and revenues from consulting services are recognized at
the end of the quarter in which they are performed.

Our  ordinary  payment  terms  to  our  domestic  customers  are  net  30  days,  but  we  have  extended  payment  terms
beyond net 30 days to some customers.  For these arrangements, revenue is recognized ratably over the terms of the
arrangement. Our ordinary payment terms to our international customers are net 60 days.

In view of the rapidly changing nature of our business and our limited operating history, we believe that period-
to-period comparisons of net revenues and operating results are not necessarily meaningful and should not be relied
upon as indicators of future performance. To maintain profitability we will need to increase our net revenues  and
manage operating expenses. Although we have experienced rapid growth in net revenues in recent periods, we may
not be able to sustain these growth rates to maintain profitability.

F 5 30. N e t w o r k s

p a g e

We have recorded a total of $8.2 million of stock compensation costs since our inception through September 30,
2000.  These charges represent the difference between the exercise price and the deemed fair value of certain stock
options granted to our employees and outside directors.  These options generally vest ratably over a four-year pe-
riod.  We are amortizing these costs using an accelerated method as prescribed by FASB interpretation No. 28 (“FIN
No.  28”)  and  have  recorded  stock  compensation  charges  of  $2.1  million,  $2.5  million  and  $420,000  for  the  years
ended September 30, 2000, 1999 and 1998, respectively.

We  expect  to  recognize  amortization  expense  related  to  unearned  compensation  of  approximately  $2.2  million,
$824,000, $60,000 and $0 during the years ended September 30, 2001, 2002, 2003 and 2004, respectively.  We can-
not guarantee, however, that we will not accrue additional stock compensation costs in the future or that our current
estimate of these costs will prove accurate.

results of operations

The following table sets forth certain financial data as a percentage of total net revenues for the periods indicated.

statement of operations data:
net revenues:
products
services

total net revenues

cost of net revenues:

products
services

total cost of net revenues

gross margin

operating expenses:

sales and marketing
research and development
general and administrative
amortization of unearned compensation

total operating expenses

income (loss) from operations
other income (expense), net

income (loss) before income taxes
provision for income taxes

net income (loss)

years ended september 30, 2000 and 1999

net revenues:

year ended september 30,

2000

1999

1998

81.0%
19.0

100.0

84.2%
15.8

84.3%
15.7

100.0

100.0

22.7
7.3
30.0

70.0

34.0
13.3
9.0
2.0

58.2

11.8
2.7

14.5
1.9

20.1
5.8
25.9

74.1

48.5
20.3
13.9
8.9

91.6

(17.5)
1.9

(15.6)
–

22.3
6.4
28.7

71.3

79.4
37.0
21.3
8.6

146.3

(75.0)
(0.1)

(75.1)
–

12.6%

(15.6)%

(75.1)%

Net revenues consist of sales of our products and services, which include software licenses and related services.
Services include revenue from service and support agreements provided as part of the initial product sale, installa-
tion, sales of extended service and support contracts and consulting services.

product revenues  Product revenues increased by 275.7%, from $23.4 million for the year ended September 30,
1999  to  $88.0  million  for  the  year  ended  September  30,  2000.    This  increase  in  product  revenues  was  due  to  an
increase  in  the  quantity  of  our  products  sold,  primarily  through  our  indirect  sales  channels  and  to  a  lesser  extent
through our direct sales channels.

F 5 31. N e t w o r k s

p a g e

service  revenues    Service  revenues  increased  by  369.1%,  from  $4.4  million  for  the  year  ended  September  30,
1999 to $20.7 million for the year ended September 30, 2000.  This increase was due primarily to an increase in the
installed base of our products and the renewal of service and support contracts.

International revenues represented 7.7% of total revenues for the year ended September 30, 1999 and 19% of total
revenues  for  the  year  ended  September  30,  2000.  This  increase  represents  the  growth  in  demand  for  our  products
and an increase in the number of resellers. We expect international revenues to continue to represent a significant
portion  of  net  revenues,  although  we  cannot  assure  you  that  these  revenues  as  a  percentage  of  net  revenues  will
remain at current levels. All sales transactions are denominated in U.S. dollars.

As our net revenue base increases, we do not believe we can sustain percentage growth rates of net revenues that

we have experienced historically.

cost of net revenues:

Cost  of  net  revenues  consists  primarily  of  outsourced  hardware  components  and  manufacturing,  fees  for  third-
party software products integrated into our products, service and support personnel and an allocation of our facili-
ties and depreciation expenses.

cost  of  product  revenues    Cost  of  product  revenues  increased  341.8%,  from  $5.6  million  for  the  year  ended
September 30, 1999 to $24.7 million for the year ended September 30, 2000.  Cost of product revenues increased as
a percent of product revenues from 23.8% for the year ended September 30, 1999, to 28.0% for the year ended Sep-
tember 30, 2000.  The increase as a percentage of product revenues was the result of higher production costs associ-
ated  with  hardware  configuration  enhancements.  The  cost  of  raw  materials  may  increase,  which  would  cause  the
cost of product revenues to increase and have a negative impact on our gross margin.

cost of service revenues  Cost of service revenues increased 388.9%, from $1.6 million for the year ended Sep-
tember  30,  1999  to  $7.9  million  for  the  year  ended  September  30,  2000.    Cost  of  service  revenues  increased  as  a
percent of service revenues from 36.7% for the year ended September 30, 1999 to 38.3% for the year ended Septem-
ber 30, 2000.  The increase in cost of service revenue as a percentage of service revenues is due to increased person-
nel costs which include training and consulting.

sales and marketing  Our sales and marketing expenses consist primarily of salaries, commissions and related
benefits  of  our  sales  and  marketing  staff,  costs  of  our  marketing  programs,  including  public  relations,  advertising
and  trade  shows,  and  an  allocation  of  our  facilities  and  depreciation  expenses.    Sales  and  marketing  expenses  in-
creased  by  173.2%,  from  $13.5  million  for  the  year  ended  September  30,  1999  to  $36.9  million  for  the  year  ended
September  30,  2000.    This  increase  was  due  to  an  increase  in  sales  and  marketing  personnel  and  professional  ser-
vices  personnel  from  93  to  287,  and  increased  advertising  and  promotional  activities.    We  expect  to  continue  in-
creasing sales and marketing expenses in order to grow net revenues and expand our brand awareness.

research  and  development    Our  research  and  development  expenses  consist  primarily  of  salaries  and  related
benefits for our product development personnel and an allocation of our facilities and depreciation expenses.  Re-
search and development expenses increased by 156.6%, from $5.6 million for the year ended September 30, 1999 to
$14.5 million for the year ended September 30, 2000.  This increase was due to an increase in product development
personnel from 59 to 134 and nonrecurring charges of $1.6 million consisting of prototype material expenses and a
one time licensing agreement.  Our future success is dependent, in large part on the continued enhancement of our
current  products  and  our  ability  to  develop  new,  technologically  advanced  products  that  meet  the  sophisticated
needs of our customers.  We expect research and development expenses to increase in future periods.

general and administrative  Our general and administrative expenses consist primarily of salaries, benefits and
related  costs  of  our  executive,  finance,  human  resource  and  legal  personnel,  third-party  professional  service  fees,
and  an  allocation  of  our  facilities  and  depreciation  expenses.    General  and  administrative  expenses  increased  by
151.4%, from $3.9 million for the year ended September 30, 1999 to $9.7 million for the year ended September 30,
2000.    This  increase  was  due  primarily  to  an  increase  in  general  and  administrative  personnel  from  35  to  75  and  a
one time executive recruitment charge of $1.6 million. We expect general and administrative expenses to increase as
we expand our staff, further develop our internal information systems and incur costs associated with being a pub-
licly held company.

unearned compensation  We recorded stock compensation charges of $2.5 million and $2.1 million for the years

ended September 30, 1999 and 2000, respectively.

F 5 32. N e t w o r k s

p a g e

other  income  (expense),  net    Other  income  consists  primarily  of  earnings  on  our  cash  and  cash  equivalents
balances. Interest income was $534,000 for the year ended September 30, 1999 and $3.2 million for the year ended
September  30,  2000.  There  was  a  one  time  asset  impairment  charge  of  $336,000,  associated  with  the  move  to  our
new corporate headquarters.

income  taxes    The  income  tax  provision  increase  from  zero  in  fiscal  1999  to  $2.1  million  in  fiscal  2000.  The
Company utilized a portion of its U.S. federal and state net operating loss carryforwards in fiscal 2000. The differ-
ence between the statutory rate and the effective rate was due primarily to previous unrecognized deferred tax assets.
FASB  statement  No.  109  provides  for  the  recognition  of  deferred  tax  assets  if  realization  is  more  likely  than  not.
Based on available evidence, which includes our historical operating performance and the reported cumulative net
losses  in  all  prior  years,  we  historically  provided  for  a  full  valuation  allowance  against  our  net  deferred  tax  assets.
Based on our operating performance, we determined that a certain portion of these assets are more likely than not to
be realizable. As a result, the valuation allowance has been partially reversed against our net deferred assets for these
assets  which  are  considered  realizable.  We  have  maintained  a  valuation  allowance  on  our  remaining  net  operating
loss  carryforwards  as  of  September  30,  2000  (approximately  $4.9  million).  These  remaining  net  operating  loss
carryforwards primarily relate to the tax benefits associated with our stock option plans, which will be offset against
shareholders’ equity.

years ended september 30, 1999 and 1998

net revenues:

Net revenues consist of sales of our products and services, which include software licenses and related services.
Services include revenue from service and support agreements provided as part of the initial product sale, installa-
tion, sales of extended service and support contracts and consulting services.

product revenues  Product revenues increased by 468.6%, from $4.1 million for the year ended September 30,
1998  to  $23.4  million  for  the  year  ended  September  30,  1999.    This  increase  in  product  revenues  was  due  to  an
increase  in  the  quantity  of  our  products  sold,  primarily  through  our  indirect  sales  channels  and  to  a  lesser  extent
through our direct sales channels.

service revenues  Service revenues increased by 472.1%, from $770,000 for the year ended September 30, 1998
to  $4.4  million  for  the  year  ended  September  30,  1999.    This  increase  was  due  primarily  to  an  increase  in  the  in-
stalled base of our products and the renewal of service and support contracts.

cost of net revenues:

Cost  of  net  revenues  consists  primarily  of  outsourced  hardware  components  and  manufacturing,  fees  for  third-
party software products integrated into our products, service and support personnel and an allocation of our facili-
ties and depreciation expenses.

cost  of  product  revenues    Cost  of  product  revenues  increased  411.6%,  from  $1.1  million  for  the  year  ended
September 30, 1998 to $5.6 million for the year ended September 30, 1999.  Cost of product revenues decreased as a
percent of product revenues from 26.5% for the year ended September 30, 1998, to 23.8% for the year ended Septem-
ber 30, 1999.  The decrease as a percentage of product revenues was the result of higher utilization of manufacturing
operations, including increased economies of scale achieved from an increase in production.  The increase in abso-
lute  dollars  was  due  primarily  to  an  increase  in  product  revenues.    The  cost  of  raw  materials  may  increase,  which
would cause the cost of product revenues to increase and have a negative impact on our gross margin.

cost of service revenues  Cost of service revenues increased 415.3%, from $314,000 for the year ended Septem-
ber 30, 1998 to $1.6 million for the year ended September 30, 1999.  Cost of service revenues decreased as a percent
of  service  revenues  from  40.8%  for  the  year  ended  September  30,  1998  to  36.7%  for  the  year  ended  September  30,
1999.    The  decrease  in  cost  of  service  as  a  percentage  of  service  revenues  is  due  to  increased  economies  of  scale
achieved from increased service revenues.  The increase in cost of service revenues in absolute dollars was due pri-
marily to increased personnel costs which include training and consulting.

sales and marketing  Our sales and marketing expenses consist primarily of salaries, commissions and related
benefits  of  our  sales  and  marketing  staff,  costs  of  our  marketing  programs,  including  public  relations,  advertising
and  trade  shows,  and  an  allocation  of  our  facilities  and  depreciation  expenses.    Sales  and  marketing  expenses  in-
creased  by  248.0%,  from  $3.9  million  for  the  year  ended  September  30,  1998  to  $13.5  million  for  the  year  ended

F 5 33. N e t w o r k s

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September  30,  1999.    This  increase  was  due  to  an  increase  in  sales  and  marketing  personnel  and  professional  ser-
vices personnel from 37 to 93, and increased advertising and promotional activities.  We expect to continue increas-
ing sales and marketing expenses in order to grow net revenues and expand our brand awareness.

research  and  development    Our  research  and  development  expenses  consist  primarily  of  salaries  and  related
benefits for our product development personnel and an allocation of our facilities and depreciation expenses.  Re-
search and development expenses increased by 211.7%, from $1.8 million for the year ended September 30, 1998 to
$5.6 million for the year ended September 30, 1999.  This increase was due to an increase in product development
personnel from 27 to 59.  Our future success is dependent, in large part on the continued enhancement of our cur-
rent products and our ability to develop new, technologically advanced products that meet the sophisticated needs
of our customers.  We expect research and development expenses to increase in future periods.

general and administrative  Our general and administrative expenses consist primarily of salaries, benefits and
related  costs  of  our  executive,  finance,  human  resource  and  legal  personnel,  third-party  professional  service  fees,
and  an  allocation  of  our  facilities  and  depreciation  expenses.    General  and  administrative  expenses  increased  by
271.7%, from $1.0 million for the year ended September 30, 1998 to $3.9 million for the year ended September 30,
1999.    This  increase  was  due  primarily  to  an  increase  in  general  and  administrative  personnel  from  16  to  35.    We
expect general and administrative expenses to increase as we expand our staff, further develop our internal informa-
tion systems and incur costs associated with being a publicly held company.

unearned  compensation    We  recorded  stock  compensation  charges  of  $420,000  and  $2.5  million  for  the  years

ended September 30, 1998 and 1999, respectively.

interest income (expense) net    Interest  income  consists  of  earnings  on  our  cash  and  cash  equivalent  balances
offset  by  interest  expense  associated  with  debt  obligations.    Net  interest  expense  was  $4,000  for  the  year  ended
September  30,  1998  compared  to  net  interest  income  of  $534,000  for  the  year  ended  September  30,  1999.    This
increase was due primarily to the investment of the proceeds received from our initial public offering in June 1999.
income taxes As of September 30, 1999, we had approximately $7.8 million of net operating loss carryforwards
for federal  income tax purposes. Accordingly, there was no provision for federal or state income taxes for any prior
period. Utilization of the net operating loss carryforwards may be subject to annual limitations due to the ownership
change limitations contained in the Internal Revenue Code of 1986 and similar state provisions. Annual limitations
may  result  in  the  expiration  of  the  net  operating  losses  before  we  can  utilize  them.  The  federal  net  operating  loss
carryforwards will expire at various dates beginning in 2011 through 2019 if we do not use them.

quarterly results of operations

The following tables present our unaudited quarterly results of operations for the eight quarters ended Septem-
ber  30,  2000  in  dollars  and  as  a  percentage  of  net  revenues.    You  should  read  the  following  tables  in  conjunction
with our financial statements and related notes included elsewhere in this report.  We have prepared this unaudited
information on the same basis as the audited financial statements.  These tables include all adjustments, consisting
only of normal recurring adjustments that we consider necessary for a fair presentation of our operating results for
the quarters presented.  You should not draw any conclusions about our future results from the results of operations
for any quarter.

F 5 34. N e t w o r k s

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sept. 30,
2000

june 30,
2000

march 31,
2000

three months ended
sept. 30,
dec. 31,
1999
1999

june 30,
1999

march 31,
1999

dec. 31,
1998

net revenues:
products
services

$ 29,259
7,388

$ 23,834
5,387

$ 18,532
5,072

$ 16,282
2,891

$ 11,548
2,215

$ 6,444
1,161

$

total net revenues

36,647

29,221

23,604

19,173

13,763

7,605

cost of net revenues:

products
services

total cost of net revenues

gross profit

operating expenses:

sales and marketing
research and development
general and administrative
amortization of

8,951
2,822

11,773

24,874

12,121
6,070
4,279

unearned compensation

680

434

total operating expenses

23,150

16,653

income (loss) from operations
other income (expense), net

income (loss) before

income taxes

provision for income taxes

1,724
489

2,213

797

4,298
855

5,153

1,308

6,032
2,238

8,270

5,053
1,792

6,845

4,624
1,059

5,683

2,497
642

3,139

20,951

16,759

13,490

10,624

10,575
3,422
2,222

8,452
2,761
1,748

470

13,431

3,328
818

5,742
2,225
1,478

543

9,988

3,502
741

4,392
1,831
1,724

690

8,637

1,987
348

1,636
396

2,032

5,573

4,010
1,466
954

759

7,189

(1,616)
97

3,146
616

3,762

825
384

1,209

2,553

2,887
1,324
666

670

5,547

$ 2,282
413

2,695

624
196

820

1,875

2,216
1,021
525

368

4,130

(2,994)
31

(2,255)
58

4,146

4,243

2,335

(1,519)

(2,963)

(2,197)

–

–

–

–

–

–

net income (loss)

$

1,416

$ 3,845

$ 4,146

$ 4,243

$

2,335

$ (1,519)

$ (2,963)

$ (2,197)

net revenues:
products
services

79.8%
20.2

81.6%
18.4

78.5%
21.5

84.9%
15.1

83.9%
16.1

84.7%
15.3

83.6%
16.4

84.7%
15.3

total net revenues

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

cost of net revenues:

products
services

total cost of net revenues

gross margin

operating expenses:

sales and marketing
research and development
general and administrative
amortization  of

unearned compensation

total operating expenses

income (loss) from operations
other income (expense), net

income (loss) before

income taxes

provision for income taxes

24.4
7.7

32.1

67.9

33.1
16.6
11.7

1.9

63.2

4.7
1.3

6.0

2.2

20.6
7.7

28.3

71.7

36.2
11.7
7.6

1.5

57.0

14.7
2.9

17.6

4.5

21.4
7.6

29.0

71.0

35.8
11.7
7.4

2.0

56.9

14.1
3.5

17.6

–

24.1
5.5

29.6

70.4

29.9
11.6
7.7

2.8

52.1

18.3
3.9

22.1

–

18.1
4.7

22.8

77.2

32.0
13.3
12.5

5.0

62.8

14.4
2.6

17.0

–

21.5
5.2

26.7

73.3

52.7
19.3
12.5

10.0

94.5

(21.2)
1.3

21.9
10.2

32.1

67.9

76.7
35.2
17.8

17.8

147.5

(79.6)
0.8

23.1
7.3

30.4

69.6

82.2
37.8
19.5

13.7

153.2

(83.6)
2.1

(19.9)

(78.8)

(81.5)

–

–

–

net income (loss)

3.9%

13.2%

17.6%

22.1%

17.0%

(19.9)%

(78.8)%

(81.5)%

F 5 35. N e t w o r k s

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Our quarterly operating results have fluctuated significantly and we expect that future operating results will be
subject to similar fluctuations for a variety of factors, many of which are substantially outside our control.  See “Risk
Factors-Our quarterly operating results are volatile and may cause our stock price to fluctuate.”

liquidity and capital resources

From  our  inception  through  May  1999,  we  financed  our  operations  and  capital  expenditures  primarily  through
the sale of approximately $12.4 million in equity securities.  In June 1999 we completed an initial public offering of
2,860,000 shares of common stock and raised approximately $25.5 million, net of offering costs.  In October 1999,
we completed a secondary public offering of 500,000 shares of common stock and raised approximately $31.4 mil-
lion, net of offering costs.

Cash used in our operating activities was $2.0 million for the year ended September 30, 1999. Cash provided by
our operating activities was $9.8 million for the year ended September 30, 2000.  Net cash for fiscal year 2000 out-
flows  resulted  from  increases  in  accounts  receivable  due  to  increased  sales  and  other  current  assets  and  were  par-
tially offset by increases in accounts payable, accrued liabilities and deferred revenues.  Net cash inflows for fiscal
year 2000 was the result of the Company becoming profitable in the second quarter of 2000. We anticipate that in
the future we may offer financing to certain resellers.  To the extent such financing is offered, cash used in operating
activities will increase to fund the increase in outstanding accounts receivable.

Cash used in investing activities was $5.6 million for the year ended September 30, 1999 and $16.5 million for the
year  ended  September  30,  2000,  which  includes  $13.3  million  used  to  purchase  property  and  equipment  and  $3.2
million used to invest in restricted cash.  The components of restricted cash consist of an irrevocable standby letters
of credit, totaling $6.0 million to fund our commitment to lease office space.

As of September 30, 1999, our principal commitments consisted of obligations outstanding under operating leases.
In April 2000, we entered into a lease agreement on two buildings for a new corporate headquarters. The lease com-
menced in July 2000 on the first building; and the lease on the second building commenced in October 2000. The
lease  for  both  buildings  expires  in  2012  with  an  option  for  renewal.  The  company  established  a  restricted  escrow
account in connection with this lease agreement. Under the term of the lease, a $6 million irrevocable standby letter
of credit is required through November 2012, unless the lease is terminated before then. This amount has been in-
cluded  on  the  Company’s  balance  sheet  as  of  September  30,  2000  as  a  component  of  restricted  cash.  Although  we
have no other material commitments, we anticipate a substantial increase in our capital expenditures and lease com-
mitments consistent with our anticipated growth in our operations, infrastructure and personnel.  In the future we
may also require a larger inventory of products in order to provide better availability to customers and achieve pur-
chasing  efficiencies.    Any  such  increase  can  be  expected  to  reduce  cash,  cash  equivalents  and  short-term  invest-
ments. We expect that our existing cash balances and cash from operations will be sufficient to meet our anticipated
working capital and capital expenditures for the foreseeable future.

recent accounting pronouncements

In June 1998, the FASB issued Statement of Financial Accounting Standards No. 133, “Accounting for Derivative
Instruments  and  Hedging  Activities.”  This  statement  requires  that  all  derivative  instruments  be  recorded  on  the
balance sheet at their fair value. Changes in the fair value of derivatives are recorded each period in current earnings
or other comprehensive income, depending on whether a derivative is designated as part of a hedge transaction and,
if  it  is,  the  type  of  hedge  transaction.  In  July  1999,  the  FASB  issued  SFAS  No.  137,  “Accounting  for  Derivative
Instruments  and  Hedging  Activities  Deferral  of  the  Effective  Date  of  FASB  Statement  No.  133.”  SFAS  No.  137  de-
ferred the effective date of SFAS No. 133 until fiscal years beginning after June 15, 2000. The Company does not use
derivative instruments, therefore the adoption of this statement will not have any effect on the Company’s results of
operations or its financial position.

In December 1999, SEC Staff Accounting Bulletin No. 101 (“SAB 101”), “Revenue Recognition in Financial State-
ments,” was issued.  This pronouncement summarizes certain of the SEC staff’s views in applying generally accepted
accounting principles to revenue recognition.  SAB 101 is required to be adopted by the Company for the year ended
September 30, 2001.  The Company is currently reviewing the requirements of SAB 101 and assessing its impact on
the Company’s financial statements.

F 5 36. N e t w o r k s

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risk factors

In  addition  to  the  other  information  in  this  report,  the  following  risk  factors  should  be  carefully  considered  in

evaluating our company and its business.

our quarterly operating results are volatile and may cause our stock price to fluctuate.

Our quarterly operating results have varied significantly in the past and will vary significantly in the future, which
makes it difficult for us to predict our future operating results.  In particular, we anticipate that the size of customer
orders may increase as we continue to focus on larger business accounts. A delay in the recognition of revenue, even
from just one account, may have a significant negative impact on our results of operations for a given period.  In the
past,  a  significant  portion  of  our  sales  have  been  realized  near  the  end  of  a  quarter.    Accordingly,  a  delay  in  an
anticipated sale past the end of a particular quarter may negatively impact our results of operations for that quarter.
Furthermore,  we  base  our  decisions  regarding  our  operating  expenses  on  anticipated  revenue  trends  and  our  ex-
pense levels are relatively fixed.  Consequently, if revenue levels fall below our expectations, our net income (loss)
will decrease (increase) because only a small portion of our expenses vary with our revenues.  See Item 7 of Part II –
“Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

We believe that period-to-period comparisons of our results of operations are not meaningful and should not be
relied upon as indicators of future performance.  Our operating results may be below the expectations of securities
analysts and investors in some future quarter or quarters.  Our failure to meet these expectations will likely seriously
harm the market price of our common stock.

our success depends on sales of our big-ip ®.

We currently derive approximately 62% of our net revenues from sales of our BIG-IP product line.  In addition,
we expect to derive a significant portion of our net revenues from sales of BIG-IP in the future.  Implementation of
our strategy depends upon BIG-IP being able to solve critical network availability and performance problems of our
customers.    If  BIG-IP  is  unable  to  solve  these  problems  for  our  customers,  our  business  and  results  of  operations
will be seriously harmed.

our success depends on our timely development of new products and features.

We expect the Internet traffic and content management market to be characterized by rapid technological change,
frequent  new  product  introductions,  changes  in  customer  requirements  and  evolving  industry  standards.    We  are
currently  developing  new  features  for  our  existing  products.    We  expect  to  continue  to  develop  new  products  and
new  product  features  in  the  future.    If  we  fail  to  develop  and  deploy  new  products  and  new  product  features  on  a
timely  basis,  our  business  and  results  of  operations  may  be  seriously  harmed.    See  Item  1  of  Part  I  –  “Business  –
Product Development.”

we may not be able to compete effectively in the emerging internet traffic and content management market.

Our markets are new, rapidly evolving and highly competitive, and we expect competition to persist and intensify
in the future.  Our principal competitors in the Internet traffic and content management market include Cisco Sys-
tems, Nortel Networks, RadWare and Resonate.  We expect to continue to face additional competition as new par-
ticipants enter the Internet traffic and content management market.  In addition, larger companies with significant
resources,  brand  recognition  and  sales  channels  may  form  alliances  with  or  acquire  competing  Internet  traffic  and
content management solutions and emerge as significant competitors.  Potential competitors may bundle their prod-
ucts or incorporate an Internet traffic and content management component into existing products in a manner that
discourages  users  from  purchasing  our  products.    Potential  customers  may  also  choose  to  purchase  additional  or
larger servers instead of our products.  See Item 1 of Part I – “Business – Competition.”

our expansion into international markets may not succeed.

We  intend  to  continue  expanding  into  international  markets.    We  have  limited  experience  in  marketing,  selling
and  supporting  our  products  internationally.    International  sales  represented  19%  of  our  net  revenues  for  the  year

F 5 37. N e t w o r k s

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ended September 30, 2000, 7.7% of our net revenues for the year ended September 30, 1999, and 3.5% for the year
ended September 30, 1998.  We have engaged sales personnel in Australia, Europe, Asia Pacific and Latin America.
Our  continued  growth  will  require  further  expansion  of  our  international  operations  in  selected  countries  in  the
European  and  Asia  Pacific  markets.    If  we  are  unable  to  expand  our  international  operations  successfully  and  in  a
timely manner, our business and results of operations may be seriously harmed.  Such expansion may be more diffi-
cult or take longer than we anticipate, and we may not be able to successfully market, sell, deliver and support our
products internationally.

we may not be able to sustain or develop new distribution relationships.

Our sales strategy requires that we establish multiple distribution channels in the United States and internation-
ally through leading industry resellers, original equipment manufacturers, systems integrators, Internet service pro-
viders and other channel partners.  We have a limited number of agreements with companies in these channels, and
we may not be able to increase our number of distribution relationships or maintain our existing relationships.  One
of our resellers, Exodus Communications, accounted for 14% of our net revenues for the year ended September 30,
2000,  and  8%  of  our  accounts  receivable  balance  at  September  30,  2000.    Our  inability  to  effectively  establish  our
indirect sales channels will seriously harm our business and results of operations.

our success depends on our ability to attract, train and retain qualified marketing and sales, professional
services and customer support personnel.

Our  products  require  a  sophisticated  marketing  and  sales  effort  targeted  at  several  levels  within  a  prospective
customer’s organization. Competition for qualified sales personnel is intense, and we might not be able to hire the
kind and number of sales personnel we are targeting.  Our inability to retain and hire qualified sales personnel may
seriously harm our business and results of operations.

We currently have a professional services and customer support organization and will need to increase our staff
to  support  new  customers  and  the  expanding  needs  of  existing  customers.    The  installation  of  Internet  traffic  and
content  management  solutions,  the  integration  of  these  solutions  into  existing  networks  and  the  ongoing  support
can be complex.  Accordingly, we need highly-trained professional services and customer support personnel.  Hir-
ing  professional  services  and  customer  support  personnel  is  very  competitive  in  our  industry  due  to  the  limited
number of people available with the necessary technical skills and understanding of our products.  Our inability to
attract, train or retain the number of highly qualified professional services and customer support personnel that our
business needs may seriously harm our business and results of operations.

we depend on our key personnel and the loss of any key personnel may harm our business and results
of operations.

Our success depends to a significant degree upon the continued contributions of our key management, product
development,  sales  and  marketing  and  finance  personnel,  many  of  whom  will  be  difficult  to  replace.  The  loss  of
services  of  any  of  our  key  personnel  may  seriously  harm  our  business  and  results  of  operations.    We  do  not  have
employment contracts with any of our key personnel.

it is difficult to predict our future operating results because we have an unpredictable sales cycle.

We are unable to predict our sales cycle because we have limited experience selling our products.  Historically,
our sales cycle has ranged from approximately two to three months.  Sales of BIG-IP, 3-DNS, GLOBAL-SITE, SEE-
IT, and EDGE-FX require us to educate potential customers on their use and benefits.  The sale of our products is
subject to delays from the lengthy internal budgeting, approval and competitive evaluation processes that large cor-
porations and governmental entities may require.  For example, customers frequently begin by evaluating our prod-
ucts on a limited basis and devote time and resources to testing our products before they decide whether or not to
purchase.  Customers may also defer orders as a result of anticipated releases of new products or enhancements by
us  or  our  competitors.    As  a  result,  our  products  have  an  unpredictable  sales  cycle  that  contributes  to  the  uncer-
tainty of our future operating results.

F 5 38. N e t w o r k s

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the average selling prices of our products may decrease and our costs may increase, which may negatively
impact gross profits.

We anticipate that the average selling prices of our products will decrease in the future in response to competi-
tive pricing pressures, increased sales discounts, new product introductions by us or our competitors or other fac-
tors.  Therefore, in order to maintain our gross profits, we must develop and introduce new products and product
enhancements  on  a  timely  basis  and  continually  reduce  our  product  costs.    Our  failure  to  do  so  will  cause  our  net
revenue and gross profits to decline, which will seriously harm our business and results of operations.  In addition,
we  may  experience  substantial  period-to-period  fluctuations  in  future  operating  results  due  to  the  erosion  of  our
average selling prices.

our business may be harmed if our contract manufacturers are not able to provide us with adequate supplies
of our products.

We rely on third party contract manufacturers to assemble our products.  We outsource the manufacturing of our
pre-configured,  industry-standard  hardware  platforms  to  three  contract  manufacturers  who  assemble  these  hard-
ware platforms to our specifications.  We have experienced minor delays in shipments from these contract manufac-
turers in the past which have not had a material impact on our results of operations.  We may experience delays in
the  future  or  other  problems,  such  as  inferior  quality  and  insufficient  quantity  of  product,  any  of  which  may  seri-
ously harm our business and results of operations.  The inability of our contract manufacturers to provide us with
adequate supplies of our products or the loss of our contract manufacturers may cause a delay in our ability to fulfill
orders while we obtain a replacement manufacturer and may seriously harm our business and results of operations.
If the demand for our products grows, we will need to increase our material purchases, contract manufacturing
capacity and internal test and quality functions.  Any disruptions in product flow may limit our revenue, may seri-
ously harm our competitive position and may result in additional costs or cancellation of orders by our customers.
See Item 1 of Part I –  “Business – Manufacturing.”

our business could suffer if there are any interruptions or delays in the supply of hardware components from
our third-party sources.

We currently purchase several hardware components used in the assembly of our products from limited sources.
Lead times for these components vary significantly.  Any interruption or delay in the supply of any of these hardware
components,  or  the  inability  to  procure  a  similar  component  from  alternate  sources  at  acceptable  prices  within  a
reasonable  time,  will  seriously  harm  our  business  and  results  of  operations.    See  Item  1  of  Part  I  –    “Business  –
Manufacturing.”

undetected software errors may seriously harm our business and results of operations.

Software  products  frequently  contain  undetected  errors  when  first  introduced  or  as  new  versions  are  released.
We  have  experienced  these  errors  in  the  past  in  connection  with  new  products  and  product  upgrades.    We  expect
that  these  errors  will  be  found  from  time  to  time  in  new  or  enhanced  products  after  commencement  of  commercial
shipments.  These problems may cause us to incur significant warranty and repair costs, divert the attention of our
engineering personnel from our product development efforts and cause significant customer relations problems.  We
may  also  be  subject  to  liability  claims  for  damages  related  to  product  errors.    While  we  carry  insurance  policies
covering  this  type  of  liability,  these  policies  may  not  provide  sufficient  protection  should  a  claim  be  asserted.    A
material product liability claim may seriously harm our business and results of operations.

Our products must successfully operate with products from other vendors.  As a result, when problems occur in
a  network,  it  may  be  difficult  to  identify  the  source  of  the  problem.    The  occurrence  of  software  errors,  whether
caused  by  our  products  or  another  vendor’s  products,  may  result  in  the  delay  or  loss  of  market  acceptance  of  our
products.  The occurrence of any of these problems may seriously harm our business and results of operations.

F 5 39. N e t w o r k s

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we may not adequately protect our intellectual property and our products may infringe on the intellectual
property rights of third parties.

We rely on a combination of copyright, trademark and trade secret laws and restrictions on disclosure  of confi-
dential  and  proprietary  information  to  protect  our  intellectual  property  rights.    Despite  our  efforts  to  protect  our
proprietary rights, unauthorized parties may attempt to copy or otherwise obtain and use our products or technol-
ogy.  Monitoring unauthorized use of our products is difficult, and we cannot be certain that the steps we have taken
will  prevent  misappropriation  of  our  technology,  particularly  in  foreign  countries  where  the  laws  may  not  protect
our proprietary rights as fully as in the United States.  In addition, we have not entered into non-competition agree-
ments with several of our former employees.

From time to time, third parties may assert exclusive patent, copyright, trademark and other intellectual property
rights  claims  or  initiate  litigation  against  us  or  our  contract  manufacturers,  suppliers  or  customers  with  respect  to
existing  or  future  products.    Although  we  have  not  been  a  party  to  any  claims  alleging  infringement  of  intellectual
property rights, we cannot assure you that we will not be subject to these claims in the future.  We may in the future
initiate  claims  or  litigation  against  third  parties  for  infringement  of  our  proprietary  rights  to  determine  the  scope
and validity of our proprietary rights or those of our competitors.  Any of these claims, with or without merit, may
be time-consuming, result in costly litigation and diversion of technical and management personnel or require us to
cease using infringing technology, develop noninfringing technology or enter into royalty or licensing agreements.
Such royalty or licensing agreements, if required, may not be available on acceptable terms, if at all.  In the event of
a  successful  claim  of  infringement  and  our  failure  or  inability  to  develop  non-infringing  technology  or  license  the
infringed or similar technology on a timely basis, our business and results of operations may be seriously harmed.

laws relating to encrypted software may limit the marketability of our products.

The encryption technology contained in our products is subject to United States export controls.  These export
controls limit our ability to distribute encrypted software outside of the United States and Canada.  While we take
precautions against unlawful exportation, this exportation inadvertently may have occurred in the past or may occur
from time to time in the future, subjecting us to potential liability and serious harm.  We may also encounter difficul-
ties competing with non-United States producers of products containing encrypted software, who may both import
their products into the United States and sell products overseas.

F 5 40. N e t w o r k s

p a g e

item 7a.  quantitative and qualitative disclosure about market risk.

interest rate risk  We do not hold derivative financial instruments or equity securities in our investment port-
folio.  Our cash equivalents consist of high-quality securities, as specified in our investment policy guidelines.  The
policy limits the amount of credit exposure to any one issue or issuer to a maximum of 20% of the total portfolio with
the exception of treasury securities, commercial paper and money market funds, which are exempt from size limita-
tion.  The policy limits all short-term investments to mature in two years or less, with the average maturity being one
year or less.  These securities are subject to interest rate risk and will decrease in value if interest rates increase.

in thousands

september 30, 2000:
included in cash and cash equivalents
weighted average interest rate
included in short-term investments
weighted average interest rates

in thousands

september 30, 1999:
included in cash and cash equivalents
weighted average interest rate
included in short-term investments
weighted average interest rates

three months three months
to one year

 or less

maturing in
greater than
one year

$

$

13,717

6.4%

6,126

6.6%

$

$

0
–
26,523

$

$

0
–
2,014

6.7%

7.0%

three months three months
to one year

 or less

maturing in
greater than
one year

$

$

14,367

5.1%

5,315

5.5%

$

$

$

$

0
–
3,813

5.7%

0
–
0
–

total

fair value

13,717

34,663

$

$

13,717

34,603

total

fair value

14,367

9,128

$

$

14,367

9,047

$

$

$

$

foreign currency risk  Currently the majority of our sales and expenses are denominated in U.S. dollars and as
a result, we have not experienced significant foreign exchange gains and losses to date.  While we have conducted
some transactions in foreign currencies during the fiscal year ended September 30, 2000 and expect to continue to
do so, we do not anticipate that foreign exchange gains or losses will be significant.  We have not engaged in foreign
currency hedging to date, however we may do so in the future.

F 5 41. N e t w o r k s

p a g e

item 8.  financial statements and supplementary data.

index to financial statements

page

Report of Independent Accountants .................................................................................................................................... 43
Consolidated Balance Sheets ................................................................................................................................................ 44
Consolidated Statements of Operations .............................................................................................................................. 45
Consolidated Statements of Shareholders’ Equity ............................................................................................................ 46
Consolidated Statements of Cash Flows ............................................................................................................................. 48
Notes to Consolidated Financial Statements ...................................................................................................................... 49

F 5 42. N e t w o r k s

p a g e

report of independent accountants

To the Board of Directors and shareholders of
F5 Networks, Inc.

In our opinion, the consolidated financial statements listed in the index appearing under Items 14(a)(1) present
fairly,  in  all  material  respects,  the  financial  position  of  F5  Networks,  Inc.  and  its  subsidiaries  at  September  30,
2000 and 1999, and the results of their operations and their cash flows for each of the three years in the period
ended  September  30,  2000  in  conformity  with  accounting  principles  generally  accepted  in  the  United  States  of
America.  In addition, in our opinion, the financial statement schedules listed in the index appearing under Item
14(a)(2) presents fairly, in all material respects, the information set forth therein when read in conjunction with
the related consolidated financial statements. These financial statements and financial statement schedule are the
responsibility of the Company’s management; our responsibility is to express an opinion on these financial state-
ments  and  financial  statement  schedule  based  on  our  audits.    We  conducted  our  audits  of  these  statements  in
accordance  with  auditing  standards  generally  accepted  in  the  United  States  of  America,  which  require  that  we
plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of ma-
terial misstatement.  An audit includes examining, on a test basis, evidence supporting the amounts and disclo-
sures in the financial statements, assessing the accounting principles used and significant estimates made by man-
agement,  and  evaluating  the  overall  financial  statement  presentation.    We  believe  that  our  audits  provide  a  rea-
sonable basis for the opinion expressed above.

Seattle, Washington
October 27, 2000

F 5 43. N e t w o r k s

p a g e

consolidated balance sheets

in thousands

assets
current assets:

cash and cash equivalents
accounts receivable, net of allowances of $1,666 and $826
inventories
other current assets
deferred income taxes

total current assets

restricted cash
property and equipment, net
other assets, net
deferred income taxes

total assets

liabilities and shareholders’ equity
current liabilities:
accounts payable
accrued liabilities
deferred revenue

total current liabilities

commitments: (see note 8)
shareholders’ equity:

common stock, no par value; 100,000 shares authorized, 21,613 and 18,161

shares issued and outstanding

note receivable from shareholder
accumulated other comprehensive loss
unearned compensation
retained earnings (deficit)

total shareholders’ equity

september 30,

2000

1999

$

53,017
38,237
5,231
2,290
1,858

100,633

6,182
13,524
541
1,540

$

24,797
10,353
618
981
–

36,749

3,013
2,834
250
–

$ 122,420

$

42,846

$

10,561
7,975
16,199

34,735

$

2,700
3,808
4,365

10,873

87,419
(469)
(52)
(3,061)
3,848

87,685

45,760
(750)
(3)
(3,232)
(9,802)

31,973

total liabilities and shareholders’ equity

$ 122,420

$

42,846

the accompanying notes are an integral part of these consolidated financial statements.

F 5 44. N e t w o r k s

p a g e

consolidated statements of operations

in thousands, except per share data

net revenues:
products
services

total net revenues

cost of net revenues:

products
services

total cost of net revenues

gross profit

operating expenses:

sales and marketing
research and development
general and administrative
amortization of unearned compensation

total operating expenses

income (loss) from operations
other income (expense), net

income (loss) before income taxes
provision for income taxes

net income (loss)

net income (loss) per share – basic

weighted average shares – basic

net income (loss) per share – diluted

weighted average shares – diluted

year ended september 30,

2000

1999

1998

$ 87,980
20,665

108,645

$

$

23,420
4,405

27,825

4,119
770

4,889

1,091
314

1,405

3,484

3,881
1,810
1,041
420

7,152

(3,668)
(4)

(3,672)
–

(3,672)

(0.60)

6,086

$

$

5,582
1,618

7,200

20,625

13,505
5,642
3,869
2,487

25,503

(4,878)
534

(4,344)
–

(4,344)

(0.42)

10,238

24,660
7,911

32,571

76,074

36,890
14,478
9,727
2,127

63,222

12,852
2,903

15,755
2,105

13,650

0.65

21,137

0.59

23,066

$

$

$

$

$

$

(0.42)

$

(0.60)

10,238

6,086

the accompanying notes are an integral part of these consolidated financial statements.

F 5 45. N e t w o r k s

p a g e

consolidated statements of shareholders’ equity

convertible preferred stock amount

shares

series a

series b

series c

556

$

1,123

$

208

1,094

156

1,740

$1,493

(292)

(75)

1,806

1,123

1,656

1,418

(1,806)

(1,123)

(1,656)

(1,418)

in thousands

balance, september 30, 1997
sales of series b convertible preferred stock

(net of issuance costs of $30)

sales of series c convertible preferred stock

(net of issuance costs of $7)

value ascribed to warrants issued in conjunction
with sales of convertible preferred stock

exercise of stock options by employees
exercise of stock warrants
repurchase of common stock under shareholder agreement
issuance of common stock under shareholder agreement
conversion of note payable to common stock
unearned compensation
amortization of unearned compensation
net loss

balance, september 30, 1998
exercise of stock options by employees
exercise of stock warrants
note receivable from shareholder for exercise of stock options
unearned compensation
amortization of unearned compensation
conversion of convertible preferred stock to common stock

in connection with the initial public offering
issuance of common stock in an initial public offering

(net of issuance costs of $3,051)

net loss
other comprehensive loss, net of tax:

foreign currency translation adjustment
unrealized loss on securities

comprehensive loss

balance, september 30, 1999
exercise of stock options by employees
exercise of stock warrants
issuance of stock under employee stock purchase plan
payment on note receivable from shareholder
tax benefit from employee stock transactions
issuance of common stock in a secondary public offering

(net of issuance costs of $2,025)

unearned compensation
amortization of unearned compensation
net income
other comprehensive income (loss), net of tax:
foreign currency translation adjustment
unrealized gain  on securities

comprehensive income

balance, september 30, 2000

the accompanying notes are an integral part of these consolidated financial statements.

F 5 46. N e t w o r k s

p a g e

common stock

shares

6,000

amount

$

393

subscriptions
/notes
receivable from
shareholders

accumulated other
comprehensive
income/(loss)

unearned
compensation

$

(169)

accumulated
deficit

total

$

(1,786)

$

(231)

216
5
(2,600)
1,800
600

6,021
588
428
150

8,114

2,860

18,161
669
2,199
84

500

367
29
5
(245)
172
209
1,945

2,875
256
420
750
4,025

11,885

25,549

45,760
716
1,414
1,198

4,900

31,475
1,956

(1,945)
420

(1,694)

(4,025)
2,487

$

(750)

(750)

(3,232)

281

(1,956)
2,127

(3,672)

(5,458)

(4,344)

(9,802)

$

(1)
(2)

(3)

13,650

(274)
225

1,740

1,493

29
5
(245)
172
209

420
(3,672)

(80)
256
420

2,487

7,688

25,549

(4,347)

31,973
716
1,414
1,198
281
4,900

31,475

2,127

13,601

21,613

$

87,419

$

(469)

$

(3,061)

$

(52)

$

3,848

$ 87,685

F 5 47. N e t w o r k s

p a g e

consolidated statements of cash flows

in thousands

cash flows from operating activities:
net income (loss)
adjustments to reconcile net income (loss) to net cash

provided by (used in) operating activities:

provisions for asset write downs
unrealized gain on investments
amortization of unearned compensation
provision for doubtful accounts and sales returns
depreciation and amortization
non cash interest expense
deferred income taxes
tax benefit from exercise of stock options
changes in operating assets and liabilities:

accounts receivable
inventories
other current assets
other assets
accounts payable and accrued liabilities
deferred revenue

net cash provided by (used in) operating activities

cash flows from investing activities:
investment in restricted cash
issuance of notes to officer
purchases of property and equipment

net cash used in investing activities

cash flows from financing activities:

proceeds from issuance of common stock in

an initial public offering

proceeds from secondary public offering, net of issuance costs
proceeds from issuance of convertible preferred stock
proceeds from the exercise of stock options and warrants
proceeds from payments on shareholder loan
repurchase of common stock under shareholder agreement
proceeds from issuance of common stock

under shareholder agreement

proceeds from line of credit
repayments of line of credit
principal payments on capital lease obligations

net cash provided by financing activities

net increase in cash and cash equivalents

effect of exchange rate changes on cash and cash equivalents

cash and cash equivalents, at beginning of year

year ended september 30,

2000

1999

1998

$

13,650

$

(4,344)

$

(3,672)

1,377
225
2,127
2,876
2,335
–
(3,398)
4,900

(30,715)
(5,639)
(315)
(1,306)
11,940
11,769

9,826

(3,169)
–
(13,334)

(16,503)

–
31,475
–
3,328
281
–

–
–
–
–

35,084

28,407
(187)
24,797

–
–
2,487
1,183
573
–
–
–

(9,508)
(519)
(731)
(181)
5,473
3,578

(1,989)

(3,013)
–
(2,631)

(5,644)

25,549
–
–
676
–
–

–
–
–
–

26,225

18,592
(1)
6,206

–
–
420
605
323
12
–
–

(2,308)
(22)
(186)
(136)
806
604

(3,554)

–
(10)
(731)

(741)

–
–
10,416
34
–
(245)

172
825
(825)
(19)

10,358

6,063
–
143

cash and cash equivalents, at end of year

$

53,017

$

24,797

$

6,206

the accompanying notes are an integral part of these consolidated financial statements.

F 5 48. N e t w o r k s

p a g e

notes to consolidated financial statements

note 1.  the company and basis of presentation:

F5 Networks, Inc. (the “Company”) was incorporated on February 26, 1996 in the State of Washington.
F5 is a leading provider of integrated Internet traffic and content management solutions designed to improve the
availability  and  performance  of  mission-critical  Internet-based  servers  and  applications.  The  Company’s  propri-
etary software-based solutions monitor and manage local and geographically dispersed servers and intelligently di-
rect traffic to the server best able to handle a user’s request. The Company operates in one segment providing inte-
grated Internet traffic and content management solutions.

The  Company  purchases  material  component  parts  and  certain  licensed  software  from  suppliers  and  generally

contracts with third parties for the assembly of products.

note 2.  summary of significant accounting policies:

principles of consolidation

The  financial  statements  consolidate  the  accounts  of  F5  Networks,  Inc.  and  its  wholly  owned  subsidiaries  F5
Networks,  Ltd.,  F5  Networks,  Singapore  Pte.  Ltd.  and  F5  Networks,  Japan  K.K.  The  companies  are  collectively
hereinafter referred to as the “Company”. All intercompany transactions have been eliminated.

segment information

The Company has adopted Statement of Financial Accounting Standards No. 131, “Disclosures about Segments
of an Enterprise and Related Information” (“SFAS No. 131”).  SFAS No. 131 supersedes Statement of Financial Ac-
counting  Standards  No.  14,  “Financial  Reporting  for  Segments  of  a  Business  Enterprise,”  replacing  the  “industry
segment” approach with the “management” approach.  The management approach designates the internal organiza-
tion that is used by management for making operating decisions and assessing performance as the source of the Company’s
reportable  segments.    SFAS  No.  131  also  requires  disclosures  about  products  and  services,  geographic  areas,  and
major customers.

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 disclo-
sures of contingent assets and liabilities as of the date of the financial statements and the reported amounts of rev-
enues and expenses during the reporting period. Actual results could differ from those estimates.

cash equivalents and short-term investments

Cash equivalents are highly liquid investments, consisting of investments in money market funds and short-term
investments  which  are  readily  convertible  to  cash  without  penalty  and  subject  to  insignificant  risk  of  changes  in
value. The Company’s cash and cash equivalents balance consists of the following:

in thousands

cash
short-term investments

september 30,

2000

18,354
34,663

53,017

$

$

1999

15,671
9,126

24,797

$

$

F 5 49. N e t w o r k s

p a g e

concentration of credit risk

The Company places its temporary cash investments with 4 major financial institutions.
The Company’s customers are from diverse industries and geographic locations. Net revenues from international
customers are denominated in U.S. Dollars and were approximately $20,598,000, $2,153,000 and $172,000 for the
years  ended  September  30,  2000,  1999  and  1998,  respectively.    One  customer  accounted  for  14%  and  22%  of  net
revenues for the years ended September 30, 2000 and 1999, respectively.  For the year ended September 30, 1998 no
single  customer  accounted  for  more  than  10%  of  the  Company’s  net  revenues.    One  customer  represented  8%  and
16% of accounts receivable for the years ended September 30, 2000 and 1999 respectively. The Company does not
require collateral to support credit sales. Allowances are maintained for potential credit losses and sales returns.

inventories

Inventories  consist  of hardware,  software and related component parts and are recorded at  the lower of cost or

market (as determined by the first-in, first-out method).

restricted cash

Restricted cash represents a restricted escrow account established in connection with a lease agreement for the
company’s  corporate  headquarters.  Under  the  term  of  the  lease,  a  $6  million  standby  letter  of  credit  is  required
through November 2012, unless the lease is terminated before then.

property and equipment

Property  and  equipment  is  stated  at  cost.  Equipment  under  capital  leases  is  stated  at  the  lower  of  the  present
value of the minimum lease payments discounted at the Company’s incremental borrowing rate at the beginning of
the lease term or fair value at the inception of the lease. Depreciation of property and equipment and amortization of
capital  leases  are  provided  on  the  straight-line  method  over  the  estimated  useful  lives  of  the  assets  of  2  to  5  years.
Leasehold  improvements  are  amortized  over  the  lesser  of  the  term  of  the  lease  or  the  estimated  useful  life  of  the
improvements.

The  cost  of  normal  maintenance  and  repairs  is  charged  to  expense  as  incurred  and  expenditures  for  major  im-
provements are capitalized at cost. Gains or losses on the disposition of assets in the normal course of business are
reflected in the results of operations at the time of disposal.

software development costs

Software development costs incurred in conjunction with product development are charged to research and de-
velopment  expense  until  technological  feasibility  is  established.  Thereafter,  until  the  product  is  released  for  sale,
software development costs are capitalized and reported at the lower of unamortized cost or net realizable value of
each product. The establishment of technological feasibility and the on-going assessment of recoverability of costs
require considerable judgment by the Company with respect to certain internal and external factors, including, but
not limited to, anticipated future gross product revenues, estimated economic life and changes in hardware and soft-
ware  technology.  The  Company  amortizes  capitalized  software  costs  using  the  straight-line  method  over  the  esti-
mated economic life of the product, generally two years.

valuation of long-lived assets

The Company periodically evaluates the carrying value of long-lived assets to be held and used, including, but
not limited to, property and equipment, other assets deferred income taxes, when events and circumstances warrant
such  a  review.  The  carrying  value  of  a  long-lived  asset  is  considered  impaired  when  the  anticipated  undiscounted
cash  flow  from  the  asset  is  separately  identifiable  and  is  less  than  its  carrying  value.  In  that  event,  a  loss  is  recog-
nized  based  on  the  amount  by  which  the  carrying  value  exceeds  the  fair  value  of  the  long-lived  asset.  Fair  value  is
determined  primarily  using  the  anticipated  cash  flows  discounted  at  a  rate  commensurate  with  the  risk  involved.
Losses on long-lived assets to be disposed of are determined in a similar manner, except that fair values are reduced
for the cost to dispose.

F 5 50. N e t w o r k s

p a g e

revenue recognition

The Company recognizes software revenue under Statement of Position 97-2, “Software Revenue Recognition,”
and SOP 98-9 “Modification of SOP 97-2, Software Revenue Recognition, with Respect to Certain Transactions.”
The Company sells products through resellers, original equipment manufacturers and other channel partners, as
well as to end users, under similar terms. The Company generally combines software license, installation and cus-
tomer support elements into a package with a single “bundled” price. The Company allocates a portion of the sales
price to each element of the bundled package based on their respective fair values when the individual elements are
sold  separately.  Revenues  from  the  license  of  software,  net  of  an  allowance  for  estimated  returns,  are  recognized
when  the  product  has  been  shipped  and  the  customer  is  obligated  to  pay  for  the  product.  Installation  revenue  is
recognized  when  the  product  has  been  installed  at  the  customer’s  site.  Revenues  for  customer  support  are  recog-
nized on a straight-line basis over the service contract term. Estimated sales returns are based on historical experi-
ence by product and are recorded at the time revenues are recognized.

The following is a breakdown of revenues by shipment destination for the years ended 2000, 1999 and 1998:

in thousands

united states
europe
asia pacific

warranty expense

2000

$ 88,047
7,029
13,569

$ 108,645

september 30,

$

1999

25,672
1,655
498

$

27,825

$

$

1998

4,717
153
19

4,889

The Company offers product warranties of generally 90 days. Estimated future warranty obligations related to products
are  provided  by  charges  to  operations  in  the  period  in  which  the  related  revenue  is  recognized.  These  estimates  are
based  on  historical  warranty  experience  and  other  relevant  information  of  which  the  Company  is  aware.  During  the
years ended September 30, 2000, 1999 and 1998 warranty expense was $2,319,000, $309,000 and $83,000 respectively.

advertising

Advertising  costs  are  expensed  as  incurred.  Advertising  expense  was  approximately  $1,614,000,  $992,000  and

$256,000 for the years ended September 30, 2000, 1999 and 1998, respectively.

income taxes

The  Company  accounts  for  income  taxes  under  the  liability  method  of  accounting.  Under  the  liability  method,
deferred taxes are determined based on the differences between the financial statement and tax bases of assets and
liabilities at enacted tax rates in effect in the year in which the differences are expected to reverse. Valuation allow-
ances are established, when necessary, to reduce deferred tax assets to amounts expected to be realized.

foreign currency translation

The financial statements of F5 Networks, Ltd., F5 Networks, Singapore Pte. Ltd. and F5 Networks, Japan K.K.
have been translated into U.S. dollars in accordance with Statement of Financial Accounting Standards No. 52 “For-
eign Currency Translation.” Under the provisions of this Statement, all assets and liabilities in the balance sheet of
the subsidiaries are translated at year-end exchange rates, and translation gains and losses are reported as a compo-
nent of comprehensive income (loss) and are accumulated in a separate component of shareholders’ equity. During
2000 and 1999 the Company charged to operations $(84,000) and $2,000, respectively, resulting from such transactions.

comprehensive income (loss)

The  Financial  Accounting  Standards  Board  issued  Statement  of  Financial  Accounting  Standards  No.  130,  “Re-
porting  Comprehensive  Income,”  in  June  1997.    This  statement  establishes  standards  for  reporting  and  displaying

F 5 51. N e t w o r k s

p a g e

comprehensive income in the financial statements and was adopted by the Company during the quarter ended Sep-
tember 30, 1999.  In addition to net income (loss), comprehensive income (loss) includes charges or credits to eq-
uity that are not the result of transactions with shareholders. The Company has included components of comprehen-
sive income within the Consolidated Statements of Shareholders’ Equity.

stock-based compensation

The Company accounts for stock-based employee compensation arrangements in accordance with the provisions
of Accounting Principles Board Opinion No. 25 (“APB No. 25”), “Accounting for Stock Issued to Employees” and
FASB interpretation No. 44 (“FIN No. 44”) accounting for certain transactions involving stock compensation, and
complies with the disclosure provisions of Statement of Financial Accounting Standards No. 123 (“SFAS No. 123”),
“Accounting for Stock-Based Compensation.” Under APB No. 25, compensation expense is based on the difference,
if any, on the date of the grant, between the deemed fair value of the Company’s stock and the exercise price of the
option. The unearned compensation is being amortized in accordance with Financial Accounting Standards Board
Interpretation  No.  28  on  an  accelerated  basis  over  the  vesting  period  of  the  individual  options.  The  Company  ac-
counts for equity instruments issued to nonemployees in accordance with the provisions of SFAS No. 123.

fair value of financial instruments

For  certain  financial  instruments,  including  cash  and  cash  equivalents,  accounts  receivable,  accounts  payable
and accrued liabilities, recorded amounts approximate market value, due to the short maturities of these instruments.

net income (loss) per share

In accordance with SFAS No. 128, basic net income (loss) per share has been computed using the weighted-average
number of shares of common stock outstanding during the period, except that pursuant to Securities and Exchange
Commission Staff Accounting Bulletin No. 98, if applicable, common shares issued presented for nominal consider-
ation  in  each  of  the  periods  have  been  included  in  the  calculation  as  if  they  were  outstanding  for  all  periods  pre-
sented.

Basic net income (loss) per share is computed by dividing net income (loss) by the weighted average number of
common  shares  outstanding  during  the  period.    Diluted  net  income  (loss)  per  share  is  computed  by  dividing  net
income (loss) by the weighted average number of common and dilutive common stock equivalent shares outstanding
during the period.  For periods in which the Company incurred a net loss, dilutive common stock equivalent shares
are excluded from the calculation as their impact would have been antidilutive.

The  following  table  sets  forth  the  computation  of  basic  and  diluted  net  income  (loss)  per  share  for  the  years

ended September 30, 2000, 1999 and 1998.

in thousands, except per share data

numerator:

net income (loss)

denominator:

year ended september 30,

2000

1999

1998

$

13,650

$

(4,344)

$

(3,672)

weighted average shares outstanding – basic
dilutive effect of common shares from stock options
dilutive effect of common shares from warrants

weighted average shares outstanding – diluted

basic net income (loss) per share

diluted net income (loss) per share

21,137
1,918
11

23,066

0.65

0.59

$

$

10,238
–
–

10,238

6,086
–
–

6,086

$

$

(0.42)

(0.42)

$

$

(0.60)

(0.60)

F 5 52. N e t w o r k s

p a g e

new accounting pronouncements

In June 1998, the FASB issued Statement of Financial Accounting Standards No. 133, “Accounting for Derivative
Instruments  and  Hedging  Activities.”  This  statement  requires  that  all  derivative  instruments  be  recorded  on  the
balance sheet at their fair value. Changes in the fair value of derivatives are recorded each period in current earnings
or other comprehensive income, depending on whether a derivative is designated as part of a hedge transaction and,
if  it  is,  the  type  of  hedge  transaction.  In  July  1999,  the  FASB  issued  SFAS  No.  137,  “Accounting  for  Derivative
Instruments  and  Hedging  Activities  Deferral  of  the  Effective  Date  of  FASB  Statement  No.  133.”  SFAS  No.  137  de-
ferred the effective date of SFAS No. 133 until fiscal years beginning after June 15, 2000. The Company does not use
derivative instruments, therefore the adoption of this statement will not have any effect on the Company’s results of
operations or its financial position.

In December 1999, SEC Staff Accounting Bulletin No. 101 (“SAB 101”), “Revenue Recognition in Financial State-
ments,” was issued.  This pronouncement summarizes certain of the SEC staff’s views in applying generally accepted
accounting principles to revenue recognition.  SAB 101 is required to be adopted by the Company for the year ended
September 30, 2001.  The Company is currently reviewing the requirements of SAB 101 and assessing its impact on
the Company’s financial statements.

note 3.  Inventories:

Inventories are comprised of the following:

in thousands

finished goods
raw materials

note 4.  Property and Equipment:

At September 30, 2000 and 1999, property and equipment consist of the following:

in thousands

computer equipment
office furniture and equipment
leasehold improvements

accumulated depreciation and amortization

property and equipment, net

$

$

$

september 30,

2000

2,045
3,186

5,231

1999

420
198

618

$

$

september 30,

2000

7,167
3,783
5,673

16,623
(3,099)

$

1999

2,316
888
419

3,623
(789)

$

13,524

$

2,834

Depreciation expense was approximately $2,300,000, $479,000 and $244,000 for the years ended September 30,

2000, 1999 and 1998 respectively.

F 5 53. N e t w o r k s

p a g e

note 5.  accrued liabilities:

At September 30, 2000 and 1999, accrued liabilities consist of the following:

in thousands

accrued payroll and benefits
accrued sales and use taxes
warranty accrual
offering costs
income taxes payable
deferred rent
accrued sales and marketing
recruitment costs
other

$

2000

3,874
791
401
–
589
238
528
350
1,204

september 30,

$

1999

1,946
566
224
365
–
–
–
–
707

$

7,975

$

3,808

note 6.  income taxes:

Income before income taxes consists of the following:

in thousands

u.s.
international

2000

17,976
(2,221)

15,755

$

$

september 30,

1999

1998

$

$

(4,364)
20

(4,344)

$

$

(3,672)
–

(3,672)

The provision for income taxes for the fiscal year 2000 consists of the following:

in thousands

current tax expense:

u.s. federal
state
foreign

total current provision

deferred tax provision (benefit):
u.s. federal
state
foreign

total deferred tax

total provision for income taxes

september 30,
2000

$

5,325
647
(469)

5,503

(3,227)
(171)
–

(3,398)

$

2,105

No  provision  for  federal  or  state  income  taxes  has  been  recorded  for  the  years  ended  September  30,  1999  and

1998, as the Company incurred a loss

F 5 54. N e t w o r k s

p a g e

The effective rate differs from the U.S. federal statutory rate as follows:

in thousands

income tax provision at statutory rate
sales taxes, net of federal benefit
impact of international operations
federal research and development credits
impact of stock option compensation
other
change in valuation allowance

total

in thousands

deferred tax assets:

net operating loss carryforwards
exercise of stock options
allowance for doubtful accounts
accrued compensation and benefits
depreciation
tax credit carryforwards

valuation allowance for deferred tax assets

deferred tax liabilities:

deductible prepaid expenses and other

net deferred tax assets

$

2000

5,514
409
308
(1,315)
(450)
1,037
(3,398)

$

2,105

september 30,

1999

1998

$

$

$

(1,477)
–
–
–
(248)
81
1,644

(1,248)
–
–
–
110
37
1,101

–

$

–

september 30,

2000

1999

1998

$

4,884
278
617
815
158
1,540

8,292
(4,884)

3,408

(10)

$

$

2,665
105
281
213
58
–

1,573
–
80
61
9
–

3,322
(3,314)

1,723
(1,670)

8

(8)

53

(53)

–

$

3,398

$

–

$

The tax effects of the temporary differences that give rise to significant portions of the deferred tax assets are as

follows:

The Company’s deferred tax assets include net operating loss carryforwards of approximately $4.9 million. Until
June 30, 2000, the Company had provided a full valuation allowance against deferred tax assets. Based upon avail-
able evidence, which include a review of historical operating performance and forecasted profitability, the Company
determined that certain of these deferred tax assets are more likely than not realizable and therefore has reduced the
valuation  allowance  related  to  those  deferred  tax  assets.  These  remaining  net  operating  loss  carryforwards  of  ap-
proximately  $4.9  million  primarily  relate  to  the  tax  benefits  associated  with  stock  option  plans.  If  these  assets  be-
come  recognizable,  the  net  operating  loss  carryforwards  related  to  stock  option  plan  benefits  will  be  offset  against
shareholders equity.

During fiscal year 2000, the Company recorded tax benefits related to the exercise of employee stock options in
the amount of $9.8 million.  These effects have been recorded to additional paid-in capital on realized benefits, and
will be recorded to additional paid-in capital when net operating losses related to stock option plans reverse.

The  net  operating  loss  carryforwards  and  research  and  development  tax  credit  carryforwards  begin  to  expire

fiscal year 2011.  The company expects to utilize these carryforwards prior to expiration.

F 5 55. N e t w o r k s

p a g e

note 7.  shareholders’ equity:

a.  preferred stock

In April 1998, the Company issued 156,250 shares of the Company’s Series C Convertible Preferred Stock and war-
rants to purchase 187,500 shares of the Company’s common stock at $1.60 per share for an aggregate purchase price of
$1.5 million. The Company has allocated approximately $75,000 of the purchase price of the Series C Convertible Pre-
ferred Stock as the value of the warrants issued. On February 1, 1999 these warrants were exercised. The holders of the
Series  C  Convertible  Preferred  Stock  have  certain  voting  rights  and  liquidation  preferences  equal  to  $9.60  per  share.
Each share of Series C Convertible Preferred Stock was converted into six shares of the Company’s common stock.

In August 1998, the Company issued 1,138,438 shares of Series D Redeemable Convertible Preferred Stock for an
aggregate purchase price of approximately $7.7 million.  The Company was required to redeem all outstanding shares
of the Series D Redeemable Convertible Preferred Stock at $6.79 per share, plus all declared and unpaid dividends,
either  in  August  2005  or  in  three  annual  installments  beginning  August  2003  at  the  request  of  holders  of  at  least
two-thirds  of  the  outstanding  Series  D  Redeemable  Convertible  Preferred  Stock.  The  holders  of  the  Series  D  Re-
deemable Convertible Preferred Stock had certain voting rights and liquidation preferences equal to $13.58 per share.
Each  share  of  Series  D  Redeemable  Convertible  Preferred  Stock  was  converted  into  two  shares  of  the  Company’s
common stock.

b.  common stock

On December 2, 1996 and January 27, 1999 the Company authorized a 3 for 1 and 2 for 1 stock split, in the form of
stock  dividends,  respectively  on  the  Company’s  common  stock.  All  references  to  number  of  shares  and  per  share
amounts of the Company’s common stock in the accompanying financial statements and notes have been restated to
reflect these stock splits.

Upon incorporation of the Company, the founding shareholders entered into an agreement (as amended, the “Share-
holder Agreement”) which, among other things, called for a mandatory offer to sell the shareholders’ stock, first to
the remaining founders, then to the Company, in the event of termination of their employment with the Company. In
February 1998, one of the founders, who was also an officer of the Company, and the Company purchased 2,600,000
shares  of  the  Company’s  common  stock  under  the  Shareholder  Agreement  from  two  founders  who  had  terminated
their employment. The Company facilitated the transactions between the shareholders under the Shareholder Agreement,
retaining 800,000 of the repurchased shares.

c.  initial public offering

On June 4, 1999, the Company issued 2,860,000 shares of its common stock at an initial public offering price of $10.00
per share. Also sold in this offering were 590,000 shares held by selling shareholders, including 450,000 shares sold upon
the exercise of the underwriters’ overallotment option. The net proceeds to the Company from the offering, net of offer-
ing  costs  of  approximately  $3.1  million  were  approximately  $25.5  million.    Concurrent  with  the  initial  public  offering,
each outstanding share or the Company’s convertible preferred stock was automatically converted into common stock.

d.  secondary public offering

In October of 1999, the Company completed and issued 500,000 shares of its common stock in a secondary pub-
lic offering at a price of $67.00 per share. Also sold in this offering were 2,030,000 shares of common stock held by
selling  shareholders.  The  net  proceeds  to  the  Company,  from  the  offering,  net  of  offering  costs  of  approximately
$350,000 were approximately $31.5 million.

e.  warrants

In  February  1999,  the  Company  issued  a  warrant  to  purchase  up  to  12,500  shares  of  the  Company’s  common

stock at $8.00 per share to a certain customer in conjunction with a sale of products.

The Company has issued warrants to purchase common stock to a certain customer. The aggregate consideration
for each respective transaction was allocated to securities or debt and the warrants based on their relative fair values.

F 5 56. N e t w o r k s

p a g e

All  the  warrants  were  exercisable  at  the  time  of  issuance.  The  assumptions  applied  in  the  determination  of  the  fair
value  of  warrants  issued  were  (i)  use  of  the  Black-Scholes  pricing  model,  (ii)  risk  free  interest  rates  ranging  from
5.2%  to  6.2%,  (iii)  expected  volatility  rates  of  approximately  70%  (based  on  disclosed  expected  volatility  rates  of
comparable companies) and actual volatility subsequent to the initial public offering, (iv) assumed expected lives  of
4 to 10 years, and (v) no expected dividends.

At September 30, 2000, warrants outstanding were as follows:

warrant to purchase

common stock

f.  equity incentive plans

shares of
common stock

exercise
price

aggregate
exercise price

12,500

12,500

$

8.00

100,000

$ 100,000

In January 1997, Company’s shareholders approved the Amended and Restated 1996 Stock Option Plan (the “1996
Employee Plan”) that provides for discretionary grants of non-qualified and incentive stock options for employees
and other service providers, and the Amended and Restated Directors’ Nonqualified Stock Option Plan (the “1996
Directors’ Plan”), which provides for automatic grants of non-qualified stock options to eligible non-employee di-
rectors. A total of 2,600,000 shares of common stock has been reserved for issuance under the 1996 Employee Plan
and the 1996 Directors’ Plan. Employees’ stock options typically vest over a period of four years from the grant date;
director options typically vest over a period of three years from the grant date. All options under the 1996 Employee
Plan and the 1996 Directors’ Plan expire 10 years after the grant date. This repricing was accounted for as a cancel-
lation  of  existing  stock  options  and  grant  of  new  stock  options.  All  outstanding,  unvested  options  under  the  1996
Employee  Plan  and  the  1996  Director’s  Plan  vest  in  full  upon  a  change  in  control  of  the  Company.  The  Company
does not intend to grant any additional options under either of these Plans.

In November 1998, the Company’s shareholders adopted the 1998 Equity Incentive Plan (the “1998 Plan”), which
provides for discretionary grants of non-qualified and incentive stock options, stock purchase awards and stock bo-
nuses  for  employees  and  other  service  providers.  A  total  of  3,300,000  shares  of  common  stock  have  been  reserved
for  issuance  under  the  1998  Plan.  Stock  options  granted  under  this  plan  typically  vest  over  a  period  of  four  years
from  the  grant  date,  and  expire  10  years  from  the  grant  date.  The  Company  has  not  granted  any  stock  purchase
awards or stock bonuses under the 1998 Plan. Upon certain changes in control of the Company, the surviving entity
will either assume or substitute all outstanding options or stock awards under the 1998 Plan. If the surviving entity
determines not to assume or substitute such options or awards, then with respect to persons whose service with the
Company or an affiliate of the Company has not terminated before a change in control, the vesting of 50% of these
options or stock awards (and the time during which these awards may be exercised) will accelerate and the options
or awards terminated if not exercised before the change in control.

In April 1999, the Company’s shareholders adopted the 1999 Non-Employee Directors’ Stock Option Plan which
provides for automatic grants to F5 non-employee directors of options to purchase shares of the Company’s common
stock.  The  board  administers  the  plan  and  cannot  delegate  administration  to  a  committee.    The  plan  reserved  an
aggregate of 100,000 shares of common stock for issuance, subject to adjustment in the event of certain capital changes.
In  July  2000,  the  Company’s  Board  of  Directors  adopted  the  2000  Employee  Equity  Incentive  Plan  (the  “2000
Plan”), which provides for discretionary grants of non-qualified stock options, stock purchase awards and stock bo-
nuses  for  non-executive  employees  and  other  service  providers.  A  total  of  2,000,000  shares  of  common  stock  have
been reserved for issuance under the 2000 Plan. Stock options granted under this plan typically vest over a period of
four years from the grant date, and expire 10 years from the grant date. The Company has not granted any stock pur-
chase awards or stock bonuses under the 2000 Plan. Upon certain changes in control of the Company, the surviving
entity will either assume or substitute all outstanding options or stock awards under the 2000 Plan. If the surviving
entity  determines  not  to  assume  or  substitute  such  options  or  awards,  then  with  respect  to  persons  whose  service
with the Company or an affiliate of the Company has not terminated before a change in control, the vesting of 50% of
these  options  or  stock  awards  (and  the  time  during  which  these  awards  may  be  exercised)  will  accelerate  and  the
options or awards terminated if not exercised before the change in control.

F 5 57. N e t w o r k s

p a g e

In  July  2000,  the  Company’s  Board  of  Directors  adopted  two  nonqualified  stock  option  plans  (the  “McAdam
Plans”)  in  connection  with  hiring  John  McAdam,  the  Company’s  President  and  Chief  Executive  Officer.  The  first
McAdam Plan provides for a grant of 645,000 non-qualified stock options for Mr. McAdam that vest over a period of
four  years  from  the  grant  date.  The  second  McAdam  Plan  provides  for  a  grant  of  50,000  options  for  Mr.  McAdam
that vest over a period of two years from the grant date.  All options under the McAdam Plans expire 10 years from
the grant date, and upon certain changes in control of the Company, the vesting of 100% of these options  (and the
time during which these awards may be exercised) will accelerate and the options or awards terminated if not exer-
cised before the change in control.

The Company applies the provisions prescribed in APB No. 25 and related interpretations in accounting for stock
options. In certain instances, the Company has issued stock options with an exercise price less than the deemed fair
value  of  the  Company’s  common  stock  at  the  date  of  grant.  Accordingly,  total  compensation  costs  related  to  these
stock options of approximately $1,956,000, $4,025,000 and $1,945,000 was deferred during fiscal years 2000, 1999
and 1998, respectively, and is being amortized over the vesting period of the options, generally four years. Amorti-
zation  of  stock  compensation  costs  of  approximately  $2,127,000,  $2,487,000  and  $420,000  has  been  recognized  as
an expense for the years ended September 30, 2000, 1999 and 1998, respectively.

A summary of stock option transactions are as follows:

balance at september 30, 1997
options granted
options exercised
options canceled

balance at september 30, 1998
options granted
options exercised
options canceled

balance at september 30, 1999
options granted
options exercised
options canceled

balance at september 30, 2000

outstanding
options

weighted
average exercise
price per share

1,226,000
1,543,000
(215,750)
(476,000)

2,077,250
1,343,371
(738,191)
(197,800)

2,484,630
3,979,695
(668,456)
(492,598)

5,303,271

$

0.15
0.29
0.11
0.11

0.26
9.82
1.33
1.15

5.05
62.52
1.07
69.06

42.69

The weighted-average fair values and weighted-average exercise prices per share at the date of grant for options

granted for the years ended September 30, 2000, 1999 and 1998 were as follows:

weighted-average fair value of options granted

with exercise prices equal to the market value
of the stock at the date of grant

weighted-average exercise price of options granted
with exercise prices equal to the market value of
the stock at the date of grant

weighted-average fair value of options granted with
exercise prices less than the market value of the
stock at the date of grant

weighted-average exercise price of options granted
with exercise prices less than the market value
of the stock at the date of grant

year ended september 30,

2000

1999

1998

$

48.61

$

15.69

$

0.08

63.25

30.52

0.50

42.56

4.54

1.60

0.00

1.24

0.28

F 5 58. N e t w o r k s

p a g e

The  following  table  summarizes  information  about  fixed-price  options  outstanding  at  September  30,  2000

as follows:

exercise prices

$

0.00
1.50
37.00
46.50
89.88

– $
–
–
–
–

0.75
36.75
46.25
89.50
152.63

number
outstanding

1,098,697
1,063,149
1,088,471
1,239,154
813,800

1999 employee stock purchase plan

weighted
average remaining
contractual life

weighted
average
exercise price

number
exercisable

weighted average
exercisable price

7.48
9.00
9.80
9.55
9.31

$

0.29
17.92
42.65
59.83
106.25

358,232
136,485
3,441
74,014
27,290

$

0.40
5.45
42.96
66.09
109.54

In May 1999, the board of directors approved the adoption of the 1999 Employee Stock Purchase Plan (the “Pur-
chase Plan”). A total of 1,000,000 shares of common stock has been reserved for issuance under the Purchase Plan.
The Purchase Plan permits eligible employees to acquire shares of the Company’s common stock through periodic
payroll deductions of up to 15% of base compensation. No employee may purchase more than $25,000 worth of stock,
determined at the fair market value of the shares at the time such option is granted, in one calendar year. The Pur-
chase Plan has been implemented in a series of offering periods, each 6 months in duration. The price at which the
common stock may be purchased is 85% of the lesser of the fair market value of the Company’s common stock on the
first day of the applicable offering period or on the last day of the respective purchase period.

Pro forma information regarding net loss is required by SFAS No. 123, and has been determined as if the Com-
pany had accounted for its stock options under the minimum value method of that statement for all periods prior to
the  Company  becoming  a  public  entity  and  fair  value  method  of  that  statement  for  all  periods  subsequent  to  the
Company becoming a public entity. The fair value of each option is estimated at the date of grant with the following
weighted-average assumptions used for the years ended September 30, 2000, 1999 and 1998:

stock option plan
year ended september 30,
1999

1998

2000

employee stock purchase plan
year ended september 30,
1999

1998

2000

risk-free interest rate
dividend yield
expected term of option
volatility subsequent to
initial public offering

6.12%
0.00%

5.47%
0.00%

4.62%
0.00%

4 years

4 years

4 years

5.50%
–
6 months

111.87%

69.87%

–

111.87%

–
–
–

–

–
–
–

–

For  purposes  of  pro  forma  disclosures,  the  estimated  fair  value  of  the  options  is  amortized  over  the  options’

vesting period. The Company’s pro forma net income (loss) would have been as follows:

in thousands, except per share data

net income (loss) as reported
net income (loss) pro forma
net income (loss) per share as reported
net income (loss) per share pro forma

year ended september 30,

2000

1999

1998

$

13,650
(40,648)
.59
(1.92)

$

$

(4,344)
(5,151)
(0.42)
(0.50)

(3,672)
(3,742)
(0.60)
(0.61)

F 5 59. N e t w o r k s

p a g e

note 8.  commitments:

Future minimum operating lease payments (net of sublease proceeds) for future fiscal years, as of September 30,

2000, are approximately as follows:

in thousands
2001
2002
2003
2004
2005
thereafter

total

$

operating lease
payments
3,957
4,630
4,345
5,277
5,289
38,445

$

61,943

Rent expense under noncancelable operating leases amounted to approximately $1,869,000, $464,000 and $145,000
for  the  years  ended  September  30,  2000,  1999,  and  1998,  respectively.  Sublease  income  for  the  years  ended  2001,
2002  and  2003  is  expected  to  be  approximately  $820,000,  $920,000  and  $950,000,  respectively.  These  amounts
have been netted from the amounts in the above schedule.

In April 2000, we entered into a lease agreement on two buildings for a new corporate headquarters. The lease
commenced  in  July  2000  on  the  first  building;  and  the  lease  on  the  second  building  commenced  in  October  2000.
The  lease  for  both  buildings  expires  in  2012  with  an  option  for  renewal.  The  company  established  a  restricted  es-
crow account in connection with this lease agreement. Under the term of the lease, a $6 million irrevocable standby
letter of credit is required through November 2012, unless the lease is terminated before then. This amount has been
included on the Company’s balance sheet as of September 30, 2000 as a component of restricted cash.

note 9.  related party transactions:

In March 1999, the Company issued 150,000 shares of common stock to an officer of the Company in exchange for a
note receivable. These shares were acquired by exercising stock options that vest over a period of four years. The note
bears interest at a rate of 4.83%, is collateralized by the shares, partially guaranteed by the officer and is due in 2003. In
2000, total payments of $281,000 were received on the loan. Under the pledge agreement, the Company has the obliga-
tion to repurchase any remaining unvested shares, and the note becomes due upon the officer’s termination. Further,
the shares may not be transferred until they are vested and paid for, and the related portion of the loan is repaid.

note 10.  employee benefit plans:

The Company provides a 401(k) savings plan whereby eligible employees may voluntarily contribute a percent-
age of their compensation. Under the provision of the plan the Company may, at their discretion, match a portion of
the employees’ eligible contributions. The Company’s’ contribution will vest over a period of four years. Contribu-
tions to the plan during the years ended September 30, 2000, 1999 and 1998 were approximately $833,000, $612,000
and $0, respectively.

F 5 60. N e t w o r k s

p a g e

note 11.  supplemental cash flow information:

Supplemental disclosure of cash flow information is summarized below for the years ended September 30, 2000,

1999 and 1998:

noncash investing and financing activities:

conversion of note payable and related accrued

interest to series b convertible preferred stock
value ascribed to warrants in conjunction with sale

of convertible preferred stock

note receivable from shareholder for exercise of options
conversion of note payable to common stock

cash paid for interest
deferred compensation for options granted
reduction to deferred compensation due to cancelled

stock option grants

part iii

year ended september 30,

2000

1999

1998

$

–

$

–

$

520

–
–
–
–
2,128

(172)

–
750
–
–
–

–

367
–
209
30
–

–

item 9.  changes in and disagreements with accountants on accounting and financial disclosure.

None.

item 10.  directors and executive officers of the registrant.

See “Directors and Executive Officers of the Registrant” under Item 1, Part I above.
Information  concerning  compliance  with  Section  16  of  the  Securities  Exchange  Act  is  incorporated  herein  by
reference to information appearing in the Company’s Proxy Statement for its annual meeting of shareholders to be
held  on  February  21,  2001,  which  information  appears  under  the  caption  “Section  16(a)  Beneficial  Ownership  Re-
porting  Compliance.”    Such  Proxy  Statement  will  be  filed  within  120  days  of  the  Company’s  last  fiscal  year-end,
September 30, 2000.

items 11, 12 and 13.

The information called for by Items 11, 12 and 13 of this Part III is included in the Company’s Proxy Statement
relating to the Company’s annual meeting of shareholders to be held on February 21, 2001 and is incorporated herein
by reference. The information appears in the Proxy Statement under the captions “Election of Directors,” “Remu-
neration of Executive Officers,” and “Voting Securities and Principal Holders.” Such Proxy Statement will be filed
within 120 days of the Company’s last fiscal year-end, September 30, 2000.

F 5 61. N e t w o r k s

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part iv

item 14.  exhibits, financial statement schedules, and reports on form 8-k.

(a)

Index to Consolidated Financial Statements and Financial Statements schedules:

(1)  consolidated financial statements.

Report of PricewaterhouseCoopers LLP, Independent Accountants
Consolidated Balance Sheets as of September 30, 2000 and 1999
Consolidated Statements of Operations for the years ended September 30, 2000, 1999 and 1998
Consolidated Statements of Shareholders’ Equity for the years ended September 30, 2000, 1999 and 1998
Consolidated Statements of Cash Flows for the years ended September 30, 2000, 1999 and 1998
Notes to Consolidated Financial Statements

(2)  consolidated financial statement schedule.

Valuation and Qualifying Accounts and Reserves.

(b)

Reports on Form 8-K:

None

F 5 62. N e t w o r k s

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(c)

Exhibits:

exhibit number
(referenced to
item 601 of
regulation s-k)

exhibit
description

3.1
3.2
4.1
10.1

10.2
10.3
10.4
10.5
10.6

10.7
10.8
10.9
10.10
10.11

10.12

10.13
10.14
10.15

10.16

23.1*
27.1*

Amended and Restated Articles of Incorporation of the Registration, as amended.(1)
Bylaws of the Registrant, as currently in effect.(1)
Specimen Common Stock Certificate.(1)
Form of Indemnification Agreement between the Registrant and each of its directors and

certain of its officers.(1)
1998 Equity Incentive Plan.(1)
Form of Option Agreement under the 1998 Equity Incentive Plan.(1)
1999 Employee Stock Purchase Plan.(1)
Amended and Restated Directors’ Nonqualified Stock Option Plan.(1)
Form of Option Agreement under the Amended and Restated Directors’ Nonqualified

Stock Option Plan.(1)

Amended and Restated 1996 Stock Option Plan.(1)
Form of Option Agreement under the Amended and Restated 1996 Stock Option Plan.(1)
1999 Non-Employee Directors’ Stock Option Plan.(1)
Form of Option Agreement under 1999 Non-Employee Directors’ Stock Option Plan.(1)
NonQualified Stock Option Agreement between John McAdam and the Company dated

July 24, 2000.

NonQualified Stock Option Agreement between John McAdam and the Company dated

July 24, 2000.

Office Lease Agreement, dated July 31, 1999, between Registrant and 401 Elliott West LLC.(2)
Agreement, dated February 19, 1999, between the Registrant and Steven Goldman.(1)
Investor Rights Agreement, dated August 21, 1998, between Registrant and certain holders of
the Registrant’s Series A Preferred Stock, Series B Preferred Stock, Series C Preferred
Stock and Series D Preferred Stock.(1)

Early Exercise Stock Purchase Agreement, dated March 10, 1999, between Registrant and

Robert J. Chamberlain.(1)

Consent of PricewaterhouseCoopers LLP, Independent Accountants.
Financial Data Schedule.

*
(1)
(2)

filed herewith.
incorporated by reference from registration statement on form s-1, file no. 333-75817.
incorporated by reference from registration statement on form s-1, file no. 333-86767.

F 5 63. N e t w o r k s

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valuation and qualifying accounts and reserves

in thousands
description

year ended september 30, 1998

allowance for doubtful accounts
allowance for sales returns
tax valuation allowance

year ended september 30, 1999

allowance for doubtful accounts
allowance for sales returns
tax valuation allowance

year ended september 30, 2000

allowance for doubtful accounts
allowance for sales returns
tax valuation allowance

balance at
beginning of
fiscal period

charges to
costs &
expenses

charges to
other
accounts

deductions

$

$

–
–
570

89
292
1,670

413
413
3,314

$

$

120
485
–

409
774
–

880
1,996
–

–
–
1,100

–
–
1,644

–
–
2,117

31
193
–

85
653
–

435
1,601
547

$

balance
at end
of fiscal
 period

89
292
1,670

413
413
3,314

858
808
4,884

F 5 64. N e t w o r k s

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signatures

Pursuant  to  the  requirements  of  Section  13  or  15(d)  of  the  Securities  Exchange  Act  of  1934,  the  Registrant  has

duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

f5 network s, inc. dated: december 13, 2000

by:

john mcadam
john mcadam
chief executive officer and president

Pursuant  to  the  requirements  of  the  Securities  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.

by:

by:

by:

by:

by:

by:

by:

signature

john mcadam
john mcadam

jeffrey s. hussey
jeffrey s. hussey

title

chief executive officer, president, and director
(principal executive officer)

date

december 13, 2000

chairman of the board and chief strategist

december 13, 2000

robert j. chamberlain
robert j. chamberlain

senior vice president, chief financial officer
(principal finance and accounting officer)

december 13, 2000

carlton g. amdahl
carlton g. amdahl

keith d. grinstein
keith d. grinstein

karl d. guelich
karl d. guelich

alan j. higginson
alan j. higginson

chief technology officer and director

december 13, 2000

director

director

director

december 13, 2000

december 13, 2000

december 13, 2000

F 5 65. N e t w o r k s

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corporate and shareholder information

board of directors

jeffrey s. hussey

alan j. higginson

keith d. grinstein

Chairman of the Board
and Chief Strategist

Consultant

karl d. guelich

Certified Public Accountant

john mcadam

President, Chief Executive
Officer and Director

corporate officers

Vice Chairman,
Nextel International, Inc

carlton g. amdahl

Director

jeffrey s. hussey

robert j. chamberlain

brett l. helsel

carlton g. amdahl

Chairman of the Board
and Chief Strategist

john mcadam

President, Chief Executive
Officer and Director

Senior Vice President –
Finance, Chief Financial
Officer and Treasurer

steven goldman

Senior Vice President –
Sales and Services

corporate information

Senior Vice President –
Product Development

Chief Technology Officer
and Director

jeff a. pancottine

Senior Vice President –
Marketing and Business
Development

corporate headquarters

independent auditors

annual meeting

F5 Networks, Inc.
401 Elliott Avenue West
Seattle, WA  98119
(206) 272-5555

stock market listing

Nasdaq Symbol: FFIV

PricewaterhouseCoopers LLP
Seattle, WA

legal counsel

Heller Ehrman
White & McAuliffe
Seattle, WA

Our annual shareholders
meeting will be held:
April 20, 2001
9:00 a.m.
W Seattle Hotel
1112 Fourth Avenue
Seattle, WA 98101

investor relations

transfer agent and registar

(206) 272-6677
www.f5.com/f5/ir

American Stock Transfer
40 Wall Street
New York, NY 10005
(212) 936-5100

f 5 66. n e t w o r k s

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