N2H2 INC
S-1/A, 1999-06-23
COMMUNICATIONS SERVICES, NEC
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<PAGE>   1


     As filed with the Securities and Exchange Commission on June 22, 1999


                                                      Registration No. 333-78495

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549
                            ------------------------

                                AMENDMENT NO. 1


                                       TO


                                    FORM S-1
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                            ------------------------

                                   N2H2, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

<TABLE>
<S>                                  <C>                                  <C>
            WASHINGTON                              7375                              91-1686754
     (STATE OF INCORPORATION)           (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER INDUSTRIAL
                                         CLASSIFICATION CODE NUMBER)            IDENTIFICATION NUMBER)
</TABLE>

                         900 FOURTH AVENUE, SUITE 3400
                           SEATTLE, WASHINGTON 98164
                                 (206) 336-1501
   (ADDRESS, INCLUDING ZIP CODE AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF
                   REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)

                               PETER H. NICKERSON
          PRESIDENT, CHIEF EXECUTIVE OFFICER AND CHAIRMAN OF THE BOARD
                                   N2H2, INC.
                         900 FOURTH AVENUE, SUITE 3400
                           SEATTLE, WASHINGTON 98164
                                 (206) 336-1501
(NAME, ADDRESS, INCLUDING ZIP CODE AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF
                               AGENT FOR SERVICE)
                            ------------------------
                                   COPIES TO:


<TABLE>
<S>                                              <C>
            MICHAEL E. MORGAN, ESQ.                          GREGORY B. ABBOTT, ESQ.
             JIM D. JOHNSTON, ESQ.                            THOMAS B. YOUTH, ESQ.
             ERIC S. CARNELL, ESQ.                          DOUGLAS H. HAEUBER, ESQ.
        LANE POWELL SPEARS LUBERSKY LLP                        COOLEY GODWARD LLP
         1420 FIFTH AVENUE, SUITE 4100                         4205 CARILLON POINT
        SEATTLE, WASHINGTON 98101-2338                     KIRKLAND, WASHINGTON 98033
                (206) 223-7000                                   (425) 893-7700
</TABLE>


                            ------------------------
        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
As soon as practicable after the effective date of this registration statement.
                            ------------------------

    If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, check the following box.  [ ]

    If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of the earlier effective
registration statement of the same offering.  [ ]

    If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.  [ ]

    If this Form is a post-effective amendment filed pursuant to Rule 462(d)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.  [ ]

    If delivery of the prospectus is expected to be made pursuant to Rule 434,
check the following box.  [ ]

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



                        CALCULATION OF REGISTRATION FEE



<TABLE>
<S>                                 <C>                   <C>                   <C>                   <C>
- --------------------------------------------------------------------------------------------------------------------------
- --------------------------------------------------------------------------------------------------------------------------
                                                            PROPOSED MAXIMUM      PROPOSED MAXIMUM
      TITLE OF EACH CLASS OF            AMOUNT TO BE         OFFERING PRICE      AGGREGATE OFFERING        AMOUNT OF
   SECURITIES TO BE REGISTERED         REGISTERED(1)          PER SHARE(2)            PRICE(2)        REGISTRATION FEE(3)
- --------------------------------------------------------------------------------------------------------------------------
Common Stock, no par value........       5,175,000               $12.00             $62,100,000             $17,264
- --------------------------------------------------------------------------------------------------------------------------
- --------------------------------------------------------------------------------------------------------------------------
</TABLE>



(1) Includes 675,000 shares which the underwriters have the option to purchase
    to cover over-allotments, if any.


(2) Estimated solely for purposes of calculating the registration fee in
    accordance with Rule 457(o) under the Securities Act, as amended.


(3) $13,900 of this amount has been previously paid.


    THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SECTION 8(a), MAY
DETERMINE.
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   2


                   SUBJECT TO COMPLETION, DATED JUNE 23, 1999


THE INFORMATION CONTAINED IN THIS PRELIMINARY PROSPECTUS IS NOT COMPLETE AND MAY
BE CHANGED. THESE SECURITIES MAY NOT BE SOLD UNTIL THE REGISTRATION STATEMENT
FILED WITH THE SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE. THIS PRELIMINARY
PROSPECTUS IS NOT AN OFFER TO SELL AND IT IS NOT SOLICITING AN OFFER TO BUY
THESE SECURITIES IN ANY STATE WHERE THE OFFER OR SALE IS NOT PERMITTED.


                                4,500,000 SHARES

                                   [N2H2 LOGO]

                                  COMMON STOCK

                               $       PER SHARE
- --------------------------------------------------------------------------------


This is the initial public offering of N2H2, Inc. We are offering 4,450,000
shares, and shareholders identified at page 58 of this prospectus are offering
50,000 shares.



The estimated initial public offering price will be between $10.00 and $12.00
per share. The market price of the shares after the offering may be higher or
lower than the offering price.


We have applied to include the common stock on the Nasdaq National Market under
the symbol "NTWO."

INVESTING IN THE COMMON STOCK INVOLVES RISKS. SEE "RISK FACTORS" BEGINNING ON
PAGE 7.


<TABLE>
<CAPTION>
                                                                      PER SHARE     TOTAL
                                                                      ---------    -------
        <S>                                                           <C>          <C>
        Price to the public.........................................   $           $
        Underwriting discounts......................................
        Proceeds to N2H2, Inc., before expenses ....................
        Proceeds to the selling shareholders, before expenses.......
</TABLE>



N2H2 has granted an over-allotment option to the underwriters. Under this
option, the underwriters may elect to purchase a maximum of 675,000 additional
shares from N2H2 within 30 days from the date of this prospectus to cover
over-allotments.


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

NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR PASSED UPON THE
ADEQUACY OR ACCURACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

CIBC WORLD MARKETS
                                                      U.S. BANCORP PIPER JAFFRAY

               The date of this prospectus is             , 1999.
<PAGE>   3





                                    [PHOTOS]






                          MILLIONS OF USERS TRUST N2H2


to make their Internet safe and productive. We enable schools, families,
businesses and other organizations to experience the best of the Web, without
bombs, pornography, hate or other content that seriously concerns teachers,
parents and employers.




                                    [PHOTOS]
<PAGE>   4



                                 [BESS(R) LOGO]

                                    [SAFETY]


                                    [PHOTOS]

BESS INTERNET FILTERING SERVICE

We delivered 348,700,000 filtered Web pages in May 1999.

BESS PATROLS THE INTERNET

Using proprietary technologies, automated Web searching identifies potentially
objectionable content.


HUMAN REVIEW MAKES A DIFFERENCE

Our trained review staff carefully evaluates suspect Web sites to accurately
place Internet content into 32 categories.

SCHOOL

WORLDWIDE SERVER NETWORK

Entire Bess database resides on each server, automatically updated daily with
new entries. Users choose which categories are filtered, and receive Web pages
from their local server.


BESS BUILDS SEARCHOPOLIS TRAFFIC

The "Redirect" page appears when users attempt to access blocked Web sites,
providing direct access to Searchopolis.

LIBRARY

HOME

BUSINESS

GROWING WITH THE INTERNET

6,000 schools, 190 ISPs and increasing numbers of libraries and businesses now
use Bess filtering services.


BESS LEAVES AN IMPRESSION

A proprietary "trailer" appears at the bottom of each Web page, providing user
options and sponsorship opportunities.


                                    [PHOTOS]

<PAGE>   5



                            [SEARCHOPOLIS(SM) LOGO]



                                   [GRAPHICS]


FILTERED SEARCH ENGINE & EDUCATION PORTAL

PUTTING THE INTERNET TO WORK AT SCHOOL AND AT HOME

Searchopolis offers schools and families powerful filtered search, educational
resources and compelling communications tools, making the Internet more
effective in the classroom and facilitating parental involvement.


GRADECHECKER

Provides students, parents and teachers Web-based access to grades, assignments
and other classroom information.


COMMUNITY-BUILDING TOOLS

Searchopolis will offer Web-based tools such as e-mail, chat and a Virtual
Locker to provide students controlled access to people and projects from school
or from home.


CLEAN SEARCH RESULTS

Unlike most conventional search engines, a search for "teenage jobs" using
Searchopolis does not provide links to pornography sites.

SEARCH

E-MAIL

VIRTUAL LOCKER

CALENDARS
<PAGE>   6
WITH N2H2'S INTELLIGENT FILTERING TECHNOLOGY, SCHOOLS, FAMILIES, LIBRARIES AND
BUSINESSES ARE EMPOWERED TO CHOOSE AND TO ACCESS THE INTERNET THEY WANT. OUR
TECHNOLOGY AND SERVICE CATALOGS INTERNET CONTENT THROUGH HUMAN REVIEW AND
AUTOMATED SEARCH TECHNOLOGIES. THIS TECHNOLOGY IS OUR CORE COMPETENCY, AND
PRODUCTS SUCH AS CUSTOMIZABLE SEARCH ENGINES AND PORTAL COMMUNITIES WILL
PROVIDE A FOUNDATION FOR A NEW INTERNET. YOUR INTERNET.



CUSTOMER AND SERVER LOCATIONS



                                     [MAPS]


HAWAII

UNITED STATES, CANADA & MEXICO

SOUTH AMERICA

AUSTRALIA

EUROPE

Over 5 million students, families and other organizations in 8 different
countries currently use the Bess Internet Filtering Service.

<PAGE>   7



                                    [PHOTO]


                    BESS INTERNET FILTERING SERVICE BY N2H2




                                  [N2H2 LOGO]
<PAGE>   8




                                  [N2H2 LOGO]






<PAGE>   9

                               TABLE OF CONTENTS


<TABLE>
<CAPTION>
                                                              PAGE
                                                              ----
<S>                                                           <C>
Prospectus Summary..........................................    3
Risk Factors................................................    7
Forward-Looking Statements..................................   18
Use of Proceeds.............................................   19
Dividend Policy.............................................   19
Capitalization..............................................   20
Dilution....................................................   21
Selected Financial Data.....................................   22
Management's Discussion and Analysis of Financial Condition
  and Results of Operations.................................   24
Business....................................................   34
Management..................................................   52
Principal and Selling Shareholders..........................   58
Certain Transactions........................................   60
Description of Capital Stock................................   63
Shares Eligible for Future Sale.............................   66
Underwriting................................................   68
Legal Matters...............................................   70
Experts.....................................................   70
Where You Can Find More Information.........................   70
Index to Financial Statements...............................  F-1
</TABLE>


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





    INFORMATION CONTAINED ON N2H2'S WEBSITE DOES NOT CONSTITUTE PART OF THIS
                                  PROSPECTUS.



N2H2(R) and Bess(R) are registered United States trademarks of our company. This
prospectus also contains other product names, trade names and trademarks that
belong to us or to other organizations.

                                        2
<PAGE>   10

                               PROSPECTUS SUMMARY

This summary highlights information contained in other parts of this prospectus.
It is not complete and may not contain all of the information that you should
consider before investing in the common stock. You should read this entire
prospectus carefully, including the section entitled "Risk Factors" and the
financial statements and related notes to those statements included in this
prospectus.

                                   N2H2, INC.

OUR BUSINESS


N2H2 is a leading provider of internet content filtering services to schools. We
also provide these services to homes through internet service providers as well
as to corporations and organizations. We were the first company to offer a
server-based internet filtering solution for a customer's computer network. With
Bess, our flagship product, we currently provide filtering services to
approximately 7.3 million students in approximately 8,000 schools in the United
States and Canada. Our customers include the statewide networks serving most of
the public schools in Ohio, Tennessee, Maine, Oklahoma and Wisconsin, as well as
school systems in areas such as Los Angeles County, Baltimore, Boston, Calgary,
Seattle, Stockton and Tampa.



In May 1999, students and teachers accessed approximately 349 million Web pages
through Bess. To better serve the needs of our existing and potential school
customers, we recently introduced Searchopolis as an educational internet
portal. As a portal, Searchopolis is specifically designed to maximize the
educational potential of the internet by aggregating educational content in one
place. It also links to other relevant Websites and provides safe access to
internet content using our award winning filtering search technology. We are
developing additional specialized communication tools and services and plan to
integrate them into Searchopolis, further enhancing its capabilities as the
portal of choice for the community of students, teachers, parents and
administrators. Searchopolis is available at www.searchopolis.com to any
internet user who wants access to a safe, educationally enriched internet
portal.



We are also actively extending our filtering services to corporations and other
organizations and, through approximately 190 internet service providers, into an
increasing number of homes. We develop, market and support internet filtering
solutions that enable businesses to increase productivity by limiting the
content that employees can access on the internet without blocking material that
is useful for their jobs. We recently entered into agreements with Computer
Sciences Corporation to provide it with company wide filtering of employee
internet use, with GTE Interactive to market internet filtering to hotels for
guest rooms and with the Mormon Church to provide internet filtering services to
its Website. Through our current internet service provider relationships, our
filtering services are available to over 150,000 homes.



Our filtering services enable our school, business and other customers to limit
access to the internet by allowing them to select from among 32 content
categories ranging from pornography, hate and bomb construction to gambling and
games. The key benefits of our services include:



 - automated identification of potentially unsuitable Websites backed by human
   review to accurately place internet content into our database of 32
   categories,



 - proprietary tools which enable customers to tailor their filtering criteria
   to meet their specific needs,


 - minimal customer effort required for installation and maintenance,

 - server-based filtering that is difficult to bypass and


 - daily electronic updating of the filtering database.



OUR MARKET OPPORTUNITY



We believe the school, home and corporate markets, both domestic and
international, present us with significant opportunities. According to Quality
Education Data, in the United States there are approximately 47 million students
in public schools grades K-12 within 16,000 school districts and


                                        3
<PAGE>   11


approximately 5 million private school K-12. The Annenberg Public Policy Center
estimates that 60% of United States households with children aged 8 to 17 have
computers and 61% of those are connected to the internet. International Data
Corporation estimates that medium and large businesses will account for 49
million internet users worldwide by the year 2000. Without an effective internet
content filtering system in place, educators and parents have to choose between
undesirable alternatives: prohibiting internet access altogether or closely
supervising each student's use of the internet. Corporations and other
organizations also face issues associated with unrestricted on-the-job access to
the internet, including productivity losses caused by employees surfing the
internet for personal reasons during work hours as well as potential liability
concerns.


OUR STRATEGY

Our strategy is to expand our presence in the school, home and corporate markets
and to make Searchopolis the leading education focused Web portal for K-12
students by:


 - continuing to aggressively increase the use of our filtering services in the
   education market,



 - enhancing content and communication features on Searchopolis,



 - create advertising opportunities to reach the student market,



 - increasing penetration of the home market through relationships with internet
   service providers and



 - building our corporate and international customer base.



Implementation of our strategy is subject to a number of uncertainties and
risks, many of which are outside our control. For more information about these
risks and uncertainties, please see "Risk Factors" and "Forward-Looking
Statements."



Our principal executive offices are located at 900 Fourth Avenue, Suite 3400,
Seattle, Washington 98164, our telephone number is (206) 336-1501 and our
Website address is www.n2h2.com.

                                        4
<PAGE>   12

                                  THE OFFERING


<TABLE>
<S>                                                           <C>
Common stock offered by N2H2................................  4,450,000 shares

Common stock offered by the selling shareholders............  50,000 shares

Common stock to be outstanding after this offering (1)......  20,084,276 shares

Use of proceeds.............................................  For working capital, sales and
                                                              marketing, research and
                                                              development, capital
                                                              expenditures and general
                                                              corporate purposes.

Proposed Nasdaq National Market Symbol......................  NTWO
</TABLE>


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

(1) The number of shares outstanding is based on shares outstanding as of June
    21, 1999 and excludes:



 - 2,808,499 shares of common stock subject to options outstanding, with a
   weighted average exercise price of $1.61 per share,



 - 103,127 additional shares of common stock that could be issued under our 1997
   Stock Option Plan, 1999 Stock Option Plan and 1999 Nonemployee Director Stock
   Option Plan,



 - 465,000 shares of common stock that could be issued upon exercise of
   outstanding warrants, with an exercise price of $3.14 per share and



 - 93,000 shares of common stock that could be issued upon exercise of warrants,
   with an exercise price of $0.004 per share, which will be canceled upon the
   completion of this offering.



All share information contained in this prospectus gives effect to a
five-for-two stock split anticipated to be completed before the closing of this
offering.



Unless otherwise stated, all information contained in this prospectus assumes no
exercise of the over-allotment option granted to the underwriters.



The underwriters are offering the shares subject to various conditions and may
reject all or part of any order. The shares should be ready for delivery on or
about             , 1999, against payment in immediately available funds.



See "Capitalization," "Management -- Stock Option Plans" and "Description of
Capital Stock" for a more complete discussion regarding the outstanding shares
of N2H2 common stock and options and warrants to purchase N2H2 common stock and
other related matters.




                                        5
<PAGE>   13

                             SUMMARY FINANCIAL DATA
                 (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA)


<TABLE>
<CAPTION>
                                                                            SIX MONTHS ENDED
                                 FISCAL YEAR ENDED SEPTEMBER 30,                MARCH 31,
                              --------------------------------------    -------------------------
                                 1996          1997          1998          1998          1999
                              ----------    ----------    ----------    ----------    -----------
                                                                               (UNAUDITED)
<S>                           <C>           <C>           <C>           <C>           <C>
STATEMENT OF OPERATIONS
  DATA:
Revenues....................  $      108    $    1,118    $    3,078    $    1,298    $     2,605
Gross profit................          30           816         1,925           845          1,351
Operating loss..............        (817)         (762)       (1,598)         (569)        (1,532)
Net loss....................        (827)         (881)       (1,885)         (679)        (1,779)
Basic and diluted net loss
  per share (1).............  $    (0.11)   $    (0.10)   $    (0.22)   $    (0.08)   $     (0.17)
Basic and diluted weighted
  average shares
  outstanding...............   7,316,858     8,389,878     8,687,435     8,686,411     10,758,005
</TABLE>



<TABLE>
<CAPTION>
                                                                   AS OF MARCH 31, 1999,
                                                       ---------------------------------------------
                                                         ACTUAL       PRO FORMA(2)    AS ADJUSTED(3)
                                                       -----------    ------------    --------------
                 BALANCE SHEET DATA:                   (UNAUDITED)
<S>                                                    <C>            <C>             <C>
Cash.................................................    $1,384         $ 9,184          $54,078
Working capital (deficit)............................    (2,996)          6,750           51,644
Property and equipment, net..........................     2,045           2,045            2,045
Total assets.........................................     4,285          12,085           56,979
Long-term obligations, excluding current portion
  (4)................................................       775             775              775
Total shareholders' equity (deficit).................    (1,781)          7,965           52,859
</TABLE>


- ---------------------------
(1) See Note 10 of the Notes to Financial Statements for an explanation of the
    determination of the number of shares used in computing the share data.


(2) Pro forma reflects the sale of 2,705,648 shares of common stock at a per
    share price of $3.70 per share on May 11, 1999 and the application of the
    net proceeds from that sale.



(3) As adjusted to reflect:



     - the sale by us of 4,450,000 shares of common stock at an assumed initial
       offering price of $11.00 per share,



     - the application of the estimated net proceeds after deducting estimated
       underwriting discounts and commissions and



     - our estimated offering expenses.



     For additional information on these matters, please see "Use of Proceeds"
and "Capitalization."


(4) Includes capital lease obligations.

                                        6
<PAGE>   14

                                  RISK FACTORS

You should carefully consider the following risk factors and all other
information contained in this prospectus before purchasing our common stock.
Investing in our common stock involves a high degree of risk. The risks
described below are not the only ones that we may face. Additional risks that
are not yet identified or that we currently think are immaterial may materially
adversely affect our business and financial condition in the future. Any of the
following risks could seriously harm our business, financial condition and
operating results and could result in a complete loss of your investment.

WE HAVE A LIMITED OPERATING HISTORY AND A HISTORY OF LOSSES.


We have a limited operating history. Risks and uncertainties inherent in an
investment in N2H2 include, but are not limited to the following:



 - we are an internet company in the early stages of development,



 - our limited history makes evaluation of our prospects difficult,



 - our market is rapidly evolving and highly competitive and



 - we have incurred net losses in each quarter since we incorporated in 1995.



We incurred net losses of $827,000 for 1996, $881,000 for 1997 and $1.9 million
for 1998. From inception through March 31, 1999, we had incurred operating
losses of $5.4 million. We anticipate that we will continue to incur net losses
for the foreseeable future.


WE INTEND TO SUBSTANTIALLY INCREASE OUR OPERATING EXPENSES, AND OUR FUTURE
OPERATING RESULTS ARE UNCERTAIN.


We intend to incur increased operating expenses before we receive any revenues
from these expenses. Increased operating expenses in 1999 and beyond will
include:



 - sales and marketing costs, including expanding our direct sales force and
   further developing our advertising sales force, indirect sales channels and
   international sales presence,



 - research and development costs, primarily through the hiring of additional
   engineers and other technical staff,



 - increased depreciation expenses related to installing additional servers in
   customers' networks,



 - increased depreciation expenses for equipment supporting Searchopolis and
   Searchopolis communication tools,



 - implementing new and upgraded operational and financial systems, procedures
   and controls and hiring additional personnel,



 - assuming the responsibilities of being a public company and



 - expanding our customer support and service operations.



We will need to significantly increase our revenues to achieve and maintain
profitability. Although our revenues have grown in recent quarters, we may not
be able to continue this growth or achieve or maintain profitability. We may
also fail to accurately estimate and assess increased operating expense
requirements as we grow. If we fail to achieve and maintain profitability, our
future capital raising efforts and planned growth of our business would be
seriously harmed.


                                        7
<PAGE>   15

WE PLAN TO OFFER SCHOOLS ALTERNATE FEE STRUCTURES, AND OUR FUTURE REVENUES FROM
THESE FEES ARE UNCERTAIN.


We plan to launch a new, untested fee structure. Our alternate fee structure for
school customers will reduce or eliminate subscription fees which have
traditionally represented a significant portion of our revenues. We have had
insignificant advertising revenues to date, and we cannot assure you that
customers will accept our alternate fee structure. Even if they accept the
alternate fee structure, we cannot assure you that we will receive enough
advertising revenues to make up for lost subscription fees. At present we do not
have any contracts in place directly with advertisers.


Up to now, we have derived substantially all of our revenues through a
combination of subscription and installation fees for our filtering services.
Our subscription revenues were $26,000 for 1996, $548,000 for 1997 and $1.7
million for 1998 and our installation revenues were $82,000 for 1996, $570,000
for 1997 and $1.4 million for 1998. As a percentage of total revenues,
subscription revenues represented 24% for 1996, 49% for 1997 and 56% for 1998.


THE MARKET FOR INTERNET ADVERTISING IS UNCERTAIN.



We expect to obtain a substantial amount of our revenues from internet
advertising for the foreseeable future, but the demand and market acceptance for
internet advertising are uncertain. No accepted standard currently exists to
measure the effectiveness of internet advertising. Standard measurements may
need to be developed to support and promote the internet as a significant
advertising medium. Also, a number of different pricing methods are used to sell
advertising on the internet. We cannot predict which of those pricing methods,
if any, will emerge as the industry standard. Typically, internet advertising is
conducted through the use of "click-through" advertising banners. Recent studies
indicate that click-through rates have declined over the past year. Future
revenues and the growth of our business will be seriously harmed if the market
for internet advertising develops more slowly than expected or we are unable to
adapt to new forms of internet advertising.



WE ARE UNABLE TO PREDICT OUR ADVERTISING REVENUES.



We have received insignificant advertising revenues to date and cannot predict
our future advertising revenues. We expect our internet advertising revenues
will fluctuate significantly in the future as a result of a variety of factors,
many of which are outside our control. If we fail to obtain advertising or
sponsorship contracts, or if our contracts are canceled or renewed at lower
rates, our business, financial condition and operating results will be seriously
harmed. These factors include:


 - our ability to provide content attractive to our target audiences,

 - the development of our brand,


 - the level of user traffic on Bess and Searchopolis,



 - demand for internet advertising,



 - the use of internet advertising blocking software by customers and end users,


 - our ability to attract and retain advertisers,


 - the mix of types of advertising we sell and


 - the timing of initial set-up, engineering or development fees that may be
   paid in connection with larger advertising arrangements.

ADVERTISING IN SCHOOLS IS CONTROVERSIAL.


Advertising in schools is controversial and may generate negative publicity
toward us and our sponsors. Some parents, teachers and public officials believe
that advertisements in schools compromise the integrity of the educational
environment. They argue that advertisements distract from learning and that
classroom


                                        8
<PAGE>   16


audiences are overly susceptible to marketing and advertising campaigns.
Although we screen advertisements appearing through Bess and Searchopolis in
order to limit credit card and other types of advertising which we believe are
inappropriate for classrooms, there can be no guarantee that we will succeed in
preventing access to undesirable advertisements. The appearance of controversial
advertisements through our services may diminish sponsors' interest in
advertising with N2H2 and may result in significant negative publicity toward us
among parents, teachers and students.



Our alternate fee structure for schools is based upon offering schools the
choice between paying our current subscription fees or receiving our services at
reduced rates or without charge in exchange for allowing us to display
advertisements. It is possible that parents, teachers, students or the public at
large will object to internet advertising. If they do, the resulting negative
publicity could limit our ability to offer advertising-based pricing in the
future, which would seriously limit the growth of our business and harm our
financial condition and results of operations.


OUR EXPANSION INTO THE INTERNET PORTAL MARKET INVOLVES A NUMBER OF RISKS.


Our future revenue growth is greatly dependent upon the success and market
acceptance of our current development efforts to enhance Searchopolis and our
ability to derive advertising or other revenue from Searchopolis. In addition,
we plan to market our enhanced version of Searchopolis to our existing and
potential filtering service customers. Existing and potential customers may not
use Searchopolis for a number of reasons, including an absence of desired
capabilities or content or the failure of Searchopolis to be competitive with
other internet searching services. Also, we must overcome significant obstacles
in our expansion into the internet portal market, including:


 - competitors such as Yahoo! Inc., America Online, Inc., Netscape
   Communications Corporation, Lycos, Inc., Excite, Inc., Wired Digital, Inc.
   (HotBot), Infoseek Corporation and others that have more experience, better
   name recognition and greater resources,


 - the limited experience of our sales personnel in the internet portal market
   and



 - our limited experience in obtaining revenues from developing and marketing
   internet filtering search technology.


OUR QUARTERLY FINANCIAL RESULTS FLUCTUATE AND MAY BE AFFECTED BY SEASONAL
VARIATIONS.

Our quarterly operating results have fluctuated significantly in the past and
will continue to fluctuate in the future. Operating results vary depending on a
number of factors, many of which are outside our control, including:

 - our educational services customers typically budget and purchase goods and
   services on a fiscal school year basis beginning in August of each year,

 - user traffic on our school customer systems has historically been lower
   during the summer and during year end vacation and holiday periods, and
   advertising revenues may be less during these periods,

 - we typically receive subscription payments in advance of the costs directly
   associated with delivery of monthly services over the term of the 12 month
   contract, making it difficult to associate costs with cash flows,

 - quarterly cash flows from subscription payments are difficult to forecast
   because the sales cycle, from initial evaluation to delivery of the services,
   varies substantially between customers and

 - as we expand our sales force, professional services personnel and research
   and development staff, our operating expenses will continue to rise.

Due to the combination of these and other factors, quarter to quarter
comparisons of operating results are not meaningful or indicative of future
performance. Further, it is possible that in some future quarter or quarters our
operating results will not meet or exceed the expectations of public market
analysts or investors. If that happens, or if adverse conditions prevail or are
perceived to prevail, either for our
                                        9
<PAGE>   17


business or the market generally, the market price of our common stock would be
seriously harmed. See "Management's Discussion and Analysis of Financial
Condition and Results of Operations -- Selected Quarterly Operating Results" for
a discussion and comparison of our quarterly operating results.


OUR SUCCESS DEPENDS ON CONTINUED MARKET ACCEPTANCE AND OPERATION OF OUR INTERNET
FILTERING SERVICES.


If we are unable to continue to solve our customers' internet content filtering
problems, we will experience diminished revenues and the growth of our business
will be impaired. We currently receive, and expect to continue to receive, a
substantial portion of our revenues from our internet filtering services. Our
future financial performance will depend, in part, upon the successful
development, introduction and customer acceptance of new and enhanced versions
of our internet filtering services. We cannot assure you that we will be
successful in upgrading and continuing to sell our internet filtering services
or that any new products or services that we may develop or acquire will achieve
market acceptance. Any failure to upgrade our services or products or to
maintain our market acceptance could seriously harm our business, financial
condition and results of operations.


OUR FILTERING CATEGORIZATIONS ARE SUBJECTIVE, AND WE MAY FAIL TO FILTER ALL
POTENTIALLY OBJECTIONABLE CONTENT.


We may not succeed in sufficiently filtering internet content to meet our
customers' expectations. We rely upon a combination of automated filtering
technology and human review to categorize Website content through our Bess
filtering services and on Searchopolis, our filtered Web portal. The total
number of Websites and partial Websites is growing rapidly. A partial Website is
a graphic image, text or other visual appearing as a part of a full Webscreen
display. We rely upon our staff of reviewers to place internet content into our
32 content categories. We cannot assure you that our filtering technologies will
successfully block all potentially objectionable internet content. Our
categorized database also may not contain substantially all of the material
available on the internet fitting into any one of our content categories. In
addition, our customers may not agree with our categorization determinations.
Our failure to effectively categorize and filter internet content according to
our customers' expectations would generate negative publicity which would impair
the growth of our business and our efforts to increase brand awareness.


OUR ABILITY TO MANAGE GROWTH IS UNPROVEN.


Our growth is likely to continue to place a significant strain on our
managerial, operational, financial and other resources. We have grown from 41
part and full time employees as of May 31, 1997, to 79 as of May 31, 1998 and to
154 as of May 31, 1999. Our future success will depend, in part, upon the
ability of our senior management to manage growth effectively. This will require
us to:


 - implement additional management information systems,

 - develop further our operating, administrative, financial and accounting
   systems and controls,

 - hire additional personnel and

 - locate additional office space in the United States and internationally.


WE MAY FAIL TO COMPETE SUCCESSFULLY WITH OTHER PROVIDERS OF INTERNET FILTERING
SERVICES.



The market for our services and products is intensely competitive and rapidly
changing. Many of our competitors are larger and have substantially greater
resources than us. Our primary competition comes from keyword, Universal
Resource Locator and packet filtering software applications. These products are
significantly less expensive than our filtering services and can often be
downloaded for free over the internet.



We compete directly with a number of internet content management firms,
including publishers and distributors of traditional media and general purpose
consumer online services such as America Online and


                                       10
<PAGE>   18


Microsoft Network. Although we believe the internet provides opportunities for
more than one provider of content filtering services similar to ours, one or
more of our competitors may eventually dominate the sector. Further, we have
only recently begun to provide these services, and competitors' products and
services may achieve greater market acceptance than ours.


We also compete for users and advertisers with virtually all Websites. Our
competitors for users and advertisers include:

 - Web retrieval and other Web portal companies, such as Excite, Infoseek,
   Lycos, Yahoo! and Netscape and

 - Websites such as Disney.com, AOL.com and others that provide education and
   family oriented content.

We also compete with television, radio, cable and print media for a share of
total advertising budgets.

Increased competition could result in price reductions, reduced profitability,
or loss of market share, any of which would seriously harm our business,
financial condition and results of operations.

WE WILL NEED TO ESTABLISH AND MAINTAIN STRATEGIC RELATIONSHIPS.


We depend on strategic relationships to offer services and products to a larger
customer base than can be reached through our direct sales efforts. We have a
strategic relationship with Inktomi for operating our filtering search
technology. We also have other strategic content and marketing relationships
with companies, including Looksmart Ltd., WinStar Communications, Inc., Fortres
Grand Corporation and Netwave Technologies, Inc. Our plans for developing our
international business rely on additional strategic relationships. We cannot
assure you that we will be able to maintain and expand our strategic
relationships or enter into new strategic relationships or that these new
relationships will be on commercially reasonable terms.



If we are unable to maintain and expand our existing strategic relationships or
enter into new strategic relationships, we will need to use substantially more
resources to develop, distribute, sell and market our services and products than
planned. We would also lose the customer introductions and co-marketing benefits
that we anticipate from such strategic relationships. Our success will depend
both on the success of the other parties to these relationships and on their
ability to market our services and products successfully. Most of these
companies have multiple strategic relationships, and we cannot assure you that
they will regard their relationships with us as significant for their own
businesses. If any of these firms fail to effectively promote our services or
products, our business, financial condition and results of operations will be
seriously harmed through decreased growth opportunities.



WE ARE DEPENDENT ON KEY INDIVIDUALS WHO MAY BE SUBJECT TO CONFLICTING DEMANDS.



Our success depends on the performance of our senior management, particularly
Peter H. Nickerson, our President, Chief Executive Officer and Chairman of the
Board, and Kevin E. Fink, our Chief Technology Officer. On May 10, 1999, we
entered into employment agreements with Mr. Nickerson and Mr. Fink, and we
subsequently entered into similar agreements with other members of senior
management. The term of Mr. Nickerson's agreement is two years, and Mr. Fink's
agreement is for an 18 month term. Both are renewable indefinitely. See
"Management -- Employment Agreements" for a more complete description of the
employment agreements. Mr. Nickerson is also a principal of Nickerson &
Associates, an econometric and data management consulting company, and he
performs consulting services for that firm that could impose conflicting demands
on his time.


                                       11
<PAGE>   19


OUR SUCCESS DEPENDS ON OUR ABILITY TO ATTRACT AND RETAIN QUALIFIED AND
EXPERIENCED EMPLOYEES.



We face a significant risk from a loss of any member of our senior management
team or any key employee, particularly if they join or form a competitor. These
risks relate mainly to:



  - the loss of such individual's skills and talent,



  - the resulting loss of existing or potential customers or



  - the unauthorized disclosure or use of our technical knowledge, practices,
    procedures or customer lists.



Loss of a key employee could seriously harm our business, financial condition
and results of operations. We cannot assure you that in such an event we would
be able to recruit personnel to replace our senior management in a timely manner
and on acceptable terms.



We expect there will continue to be competition for experienced engineering,
sales and consulting personnel, particularly in the internet market. Many of the
companies we compete against for experienced personnel have greater resources
than us. Competition in the Seattle area for these personnel is particularly
intense, and we cannot assure you that we will be successful in attracting and
retaining qualified personnel. As a result, our growth could be limited due to
our lack of capacity to provide our services. We could also experience
deterioration in service levels or decreased customer satisfaction. Either of
these occurrences would seriously harm our business, financial condition and
results of operations through increased costs of doing business and decreased
demand for our services.


EXPANDING OUR INTERNATIONAL OPERATIONS EXPOSES US TO A NUMBER OF RISKS.


We currently have very limited international operations. Our installation and
subscription revenues from customers outside the United States, primarily in the
United Kingdom and Canada, represented approximately $84,000 in the fiscal year
ended September 30, 1998, and $144,000 for the six months ended March 31, 1999.
As a key component of our business strategy, we intend to expand our
international sales and support operations, and for that purpose we hired a
European operations director in June 1999. Our ability to expand our
international operations is subject to a number of risks, including:


 - our ability to customize services for local markets and foreign languages,

 - laws and business practices favoring local competitors,


 - our dependence on local staff and vendors,


 - compliance with multiple, conflicting and changing governmental laws and
   regulations, including tax laws and regulations,

 - longer sales cycles,

 - possible delays or greater difficulty in accounts receivable collection,


 - import and export restrictions and tariffs and



 - uncertainties regarding transactions in foreign currencies.



Currently, we do not engage in or intend to engage in hedging. If we are unable
to successfully manage the risks associated with our international operations,
our international sales growth will be limited and our results of operations
will be seriously harmed.



OUR SERVICES MAY HAVE LIMITED INTEROPERABILITY AND MAY NOT KEEP PACE WITH RAPID
TECHNOLOGICAL CHANGES.



We may fail to develop filtering services compatible with future operating
systems, and we may not keep pace with technological advances. Our internet
services are designed to operate with a variety of hardware and software used by
our customers. Our school customers may use older operating systems, however,
requiring us to maintain multiple service platforms at increased cost to us. In
addition, we must


                                       12
<PAGE>   20


continuously modify and enhance our services to keep pace with changes in
hardware, software, communication, browser and database technology.
Uncertainties about the timing and nature of vendors' new product announcements
or their introduction or modification of operating systems would require
increased research and development expenses. The failure of our services to
operate effectively across existing and future versions of hardware and software
used by customers would limit or reduce the market for our services, result in
customer dissatisfaction and seriously harm our business, financial condition
and results of operations.



WE HAVE LIMITED PROTECTION OF OUR INTELLECTUAL PROPERTY AND PROPRIETARY
TECHNOLOGY.



We may fail to adequately protect our intellectual property and proprietary
technology. Intellectual property is critical to our success, and we rely upon
trademark, copyright and trade secret laws in the United States and other
jurisdictions to protect our proprietary technology and brands. N2H2 and Bess
are registered United States trademarks. We have also applied to register
Searchopolis and Virtual Locker as trademarks. These trademark applications may
not be granted. In addition, any of our trademarks may be challenged by others
or invalidated through administrative process or litigation. None of our
technology is patented, and we have no patent applications pending. Our
proprietary search technology is protected by United States trade secret and
copyright laws. We own and operate the servers that provide our filtering
services. We protect our proprietary rights through the use of intellectual
property agreements with employees and consultants covering confidentiality,
nondisclosure and assignment of invention matters. Some of our former employees
and consultants who may have had access to our proprietary information have not
entered into these intellectual property agreements, although we believe that
all intellectual property that is material to our business is covered by signed
agreements. If we are wrong in this assessment, former employees could use our
proprietary technology without our having an effective remedy, and our business
would be seriously damaged.



WE ARE SUBJECT TO RISKS OF INFRINGEMENT.


Trademark, copyright and trade secret protection may not be available to us in
every country in which our services are available. The laws of some foreign
countries may not be as protective of intellectual property rights as United
States laws, and mechanisms for enforcement of intellectual property rights may
be inadequate. Despite our efforts to protect our proprietary rights,
unauthorized parties may obtain, copy and use our proprietary technology. We
expect that it will become more difficult to monitor use of our services as we
increase our international presence. We cannot assure you that our means of
protecting our proprietary technology and brands will be adequate or that our
competitors will not independently develop similar technology.


WE COULD BE SUBJECT TO POSSIBLE INFRINGEMENT ACTIONS BASED ON OUR FILTERING
TECHNOLOGIES OR SEARCHOPOLIS CONTENT.



It is possible we could become subject to infringement actions based upon our
internet filtering technologies. We cannot assure you that third parties will
not claim infringement by us with respect to our current or future services and
products. Any such claims, with or without merit, could seriously harm our
business, financial condition and results of operations.


THE YEAR 2000 MAY RESULT IN UNEXPECTED COMPUTER PROBLEMS.


We may face exposure and risk if the systems on which we depend to conduct our
operations are not year 2000 compliant. The principal year 2000 risks we face
include:



  - a failure of the systems we use to run our business,



  - a failure of systems and products used by our vendors or



  - an extensive breakdown of the internet and related loss of internet traffic
    due to telecommunications, energy or other infrastructure failure.


                                       13
<PAGE>   21


A failure in any of these areas could temporarily shut down our operations and
seriously harm our business. See "Management's Discussion and Analysis of
Financial Condition and Results of Operations -- The Year 2000" for additional
discussion of how we have addressed Year 2000 compliance issues.



OUR SERVICES CREATE RISKS OF POTENTIAL NEGATIVE PUBLICITY AND LEGAL LIABILITY.



Because customers rely on our services for providing a content safe internet
environment, any significant defects or errors in our services or products may
result in negative publicity or legal claims. This negative publicity or any of
these legal claims could seriously harm our business, financial condition and
results of operations. In addition, our ability to maintain a log of internet
data retrieval requests and the workstations from which they originated may
result in negative publicity or claims based on potential privacy violations.
Although our agreements with customers typically contain provisions designed to
limit our exposure to potential legal liability, these limitation of liability
provisions may not be completely effective. We have not experienced any
liability claims to date, but we cannot assure you that we will not face this
type of claim in the future. We maintain errors and omissions insurance, but we
cannot assure you that this insurance coverage will adequately cover us for any
claims.


OUR SYSTEMS MAY BE VULNERABLE TO SECURITY RISKS OR SERVICE DISRUPTIONS THAT
COULD HARM OUR BUSINESS.

Our servers are vulnerable to physical or electronic break-ins and service
disruptions, which could lead to interruptions, delays, loss of data or the
inability to process user requests. Such events could be very expensive to
remedy and could damage our reputation, discouraging existing and potential
customers from using our services. In the past we have experienced unsuccessful
attempts at electronic break-ins but we may experience break-ins in the future.
Any such events could substantially harm our business, financial condition and
results of operations.


In August 1998, we entered into an internet hosting agreement with Exodus
Communications, Inc., which will maintain some of our servers through August
1999, with automatic one year renewals. Our operations depend on Exodus's
ability to protect our systems against damage from fire, earthquake, power loss,
flood, telecommunications failures, vandalism and other malicious acts and
similar unexpected adverse events. Any major disruption in our services could
diminish revenues, decrease customer and user confidence in our services and
stunt the growth of our business.



WE MAY NOT BE ABLE TO DISTRIBUTE OUR SERVICES ABROAD DUE TO UNITED STATES EXPORT
LAWS.


The encryption technology contained in our services and products is subject to
United States export controls. Such export controls limit our ability to
distribute certain encrypted services and products outside of the United States.
While we take precautions against unlawful exportation, such exportation
inadvertently may have occurred in the past or may occur from time to time in
the future, subjecting us to potential liability. Future legislation or
regulation may further limit the use of encryption technology that we can
include in our services and products. In addition, foreign governments have
import and domestic use laws and regulations that restrict the types of
permitted encryption software distributed in their countries. Such regulations
could alter the design, production, distribution and use of our services and
products.

THE FUTURE ROLE OF THE INTERNET IN EDUCATION IS UNCERTAIN.


The success of our services and products will depend, in large part, on the
continued broad use and acceptance of the internet as a source of information.
Schools, teachers and parents may cease to consider the internet a viable
research tool due to concerns over the potential exposure of students to
unsuitable material, even with filtering services such as ours, or because of
inadequate development of telecommunications and networking systems. The
internet could lose its viability due to delays in the development or adoption
of new standards and protocols to handle increased levels of internet activity
or due to increased governmental regulation. Cutbacks in technology funding
could also limit use of the


                                       14
<PAGE>   22


internet in schools. If the necessary internet infrastructure and complementary
products are not developed on a timely basis, or if school use of the internet
experiences a significant decline, we may not be successful in growing our
business and our financial condition and results of operations would be
seriously harmed.


GOVERNMENT REGULATION AND LEGAL UNCERTAINTIES COULD ADD ADDITIONAL COSTS TO
DOING BUSINESS ON THE INTERNET.


Currently, few laws or regulations specifically govern communications or
commerce on the internet. Laws and regulations may be adopted in the future
regarding user privacy, pricing and the characteristics and quality of products
and services. For example, the Telecommunications Act of 1996 sought to prohibit
transmitting various types of information and content over the internet. Several
telecommunications companies have petitioned the Federal Communications
Commission to regulate internet service providers and online service providers
in a manner similar to long distance telephone carriers and to impose access
fees on those companies. This could increase the cost of transmitting data over
the internet.


WE MAY BE SUED FOR INFORMATION RETRIEVED FROM THE WEB.

We may be subject to claims relating to information available on our Website.
These types of claims have been brought, sometimes successfully, against online
services. We could also be subject to claims based upon the content that is
accessible from our Websites through links to other Websites or through content
and materials that may be posted by members in chat rooms or bulletin boards. We
also offer e-mail services, which may subject us to liabilities resulting from
unsolicited e-mail, lost or misdirected messages, illegal or fraudulent use of
e-mail or interruptions or delays in e-mail service. Our general commercial
liability insurance may not adequately protect us against these types of
potential claims.

THERE HAS BEEN NO PRIOR PUBLIC MARKET FOR OUR COMMON STOCK, AND WE EXPECT THAT
ITS PRICE WILL BE VOLATILE.

Prior to this offering, there has been no public market for our common stock,
and we cannot assure you that an active public market for our common stock will
develop or be sustained after this offering. The initial public offering price
of our common stock will be determined by negotiation among us and the
representatives of the several underwriters based upon a number of factors and
may not be indicative of the market price of our common stock following the
offering. The market price of our common stock is likely to be highly volatile
and could be subject to wide fluctuations in response to:

 - quarterly variations in operating results,

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

 - changes in financial estimates by securities analysts,

 - our failure to meet or exceed analyst estimates and

 - other events or factors, many of which are beyond our control.


In addition, the stock market has experienced significant price and volume
fluctuations that have particularly affected the market prices of equity
securities of many internet companies and that often have been unrelated or
disproportionate to the operating performance of these companies. A number of
publicly traded technology companies have current market prices below their
initial public offering price. Market fluctuations such as these may seriously
harm the market price of our common stock. In the past, following periods of
volatility in the marketplace for a company's securities, securities class
action litigation often has been instituted. We would incur substantial costs
and a diversion of management attention and resources resulting from such
litigation, which would seriously harm our business, financial condition and
results of operations.


                                       15
<PAGE>   23

AFTER THIS OFFERING, OUR OFFICERS, DIRECTORS AND SIGNIFICANT SHAREHOLDERS WILL
STILL HAVE VOTING CONTROL.


Upon completion of this offering, 50.5% of our outstanding common stock will be
beneficially owned by our directors, executive officers and each person or group
that we know owns more than 5% of our common stock, together with the
individuals or entities affiliated with them, assuming no exercise of
outstanding warrants or stock options. These shareholders, if acting together,
would be able to control substantially all matters requiring approval by our
shareholders, including the election of all directors and approval of
significant corporate transactions.


YOU WILL SUFFER IMMEDIATE AND SUBSTANTIAL DILUTION.


The initial public offering price per share will significantly exceed the net
tangible book value per share of our common stock. At the estimated initial
public offering price of $11.00 per share, dilution to new investors will be
$8.33 per share. Accordingly, if you purchase shares of our common stock in this
offering, you will suffer immediate and substantial dilution. See "Dilution" for
additional detail regarding the extent of your dilution.


OUR MANAGEMENT HAS BROAD DISCRETION OVER THE USE OF PROCEEDS FROM THIS OFFERING.


Although we intend to use the net proceeds of this offering for working capital
and general corporate purposes, our management can spend the proceeds in ways
with which our shareholders may not agree. The net proceeds may be used for
corporate purposes that do not increase our profitability or our market value.
Pending determination of how the proceeds will be used, the net proceeds of this
offering will be invested in short term, investment grade, interest bearing
securities that may lose value. See "Use of Proceeds" for a description of how
we intend to use the proceeds from this offering.


OUR FUTURE CAPITAL NEEDS ARE UNCERTAIN.


We may experience a material decrease in liquidity due to increased operating
expenses, unforeseen capital requirements or other events and uncertainties.
After that, we may need to raise additional funds, and additional financing may
not be available on favorable terms, if at all. Further, if we issue additional
equity securities, shareholders may experience dilution, and the new equity
securities may have rights, preferences or privileges senior to those of
existing holders of our common stock. If we cannot raise funds on acceptable
terms, we may not be able to develop or enhance our services, take advantage of
future opportunities or respond to competitive pressures or unanticipated
requirements. This may seriously harm our business and results of operations.
See "Use of Proceeds," "Dilution" and "Management's Discussion and Analysis of
Financial Condition and Results of Operations -- Liquidity and Capital
Resources" for descriptions of our historic and anticipated capital needs.


WE HAVE IMPLEMENTED ANTI-TAKEOVER PROVISIONS.


Some provisions of our restated articles of incorporation and amended bylaws, as
well as provisions of Washington law, make it more difficult for a third party
to acquire us, even if doing so would be beneficial to our shareholders. See
"Description of Capital Stock -- Anti-takeover Effects of Provisions of Our
Restated Articles, Amended Bylaws and Washington Law" for a description of when
and how these provisions apply.


SUBSTANTIAL SALES OF SHARES MAY IMPACT THE MARKET PRICE OF OUR COMMON STOCK.


Sales of a substantial number of shares of common stock after the offering could
cause the market price of our common stock to fall. Such sales could make it
more difficult for us to raise capital through the sale of additional equity
securities. After completion of this offering, we will have 21,281,508 shares of
common stock outstanding or subject to currently exercisable options or warrants
or 21,956,508 shares if we issue shares upon exercise of the underwriters'
over-allotment option. Most of our shareholders, option holders and warrant
holders are limited by lock-up agreements restricting their ability to sell
their N2H2 common stock. These security holders cannot sell or otherwise dispose
of shares of our common stock for a period

                                       16
<PAGE>   24


of 180 days after the date of this prospectus without the written consent of
CIBC World Markets Corp. 16,781,508 shares may be eligible for sale when the
lock-up agreements expire. See "Shares Eligible for Future Sale" for further
detail regarding the number of shares which may be sold and restrictions on
those sales.


WE DO NOT INTEND TO PAY DIVIDENDS.


We have never declared or paid any cash dividends on our common stock. We
currently intend to retain any future earnings for funding growth and,
therefore, do not expect to pay any dividends in the foreseeable future. See
"Dividend Policy" for a history of our dividend payments.


                                       17
<PAGE>   25

                           FORWARD-LOOKING STATEMENTS


We are of the opinion that some of the information contained in this prospectus
contains forward-looking statements within the definitions of Section 27A of the
Securities Act and Section 21E of the Exchange Act. These statements include,
among others, the following:


 - use of proceeds,

 - our alternate fee structures,

 - projected advertising revenues,

 - projected increases in sales and marketing, research and development and
   capital expenditures,

 - liquidity,

 - our expansion strategy into the home, corporate and international markets,

 - our enhancements of the Searchopolis portal and

 - our development of strategic relationships.


We have based these forward-looking statements on our current expectations and
projections about future events.



Forward-looking statements typically are identified by the use of such terms as
"may," "will," "expect," "believe," "anticipate," "estimate," "plan" and similar
words, although some forward-looking statements are expressed differently. You
should be aware that our actual growth and results could differ materially from
those contained in the forward-looking statements due to a number of factors,
including among others:



 - our inability to attract sufficient customers in the home, corporate or
   international markets, and



 - lack of acceptance of our alternate fee structures by our customers.



You should also consider carefully the statements under "Risk Factors" and other
sections of this prospectus, which address additional factors that could cause
our actual results to differ from those found in the forward-looking statements.



In addition, this prospectus includes market data relating to us and the school,
home and corporate internet markets. Some of this data was obtained from
industry publications and reports, such as reports by International Data
Corporation, The Annenberg Public Policy Center and Quality Education Data.
These reports assume certain events, trends and activities will occur and they
project information on those assumptions. We have not independently verified
this data. Also, we have not sought the consent of these organizations to refer
to their reports in this prospectus.


                                       18
<PAGE>   26

                                USE OF PROCEEDS


Our net proceeds from the sale of the 4,450,000 shares of common stock offered
by us are estimated to be approximately $44.9 million based on an assumed
initial public offering price of $11.00 per share and after deducting estimated
underwriting discounts and commissions and estimated offering expenses payable
by us. If the underwriters exercise the over-allotment option in full, our net
proceeds are estimated to be $51.8. See "Underwriting." We will not receive any
proceeds from the sale of common stock by the selling shareholders.



We plan to use the net proceeds of this offering for working capital and general
corporate purposes. We estimate that these will include, but may not be limited
to, the following:



  - approximately $14 million for increased domestic and international sales and
    marketing expenditures,



  - approximately $6 million for increased research and development
    expenditures,



  - approximately $5 million as general working capital and



  - approximately $20 million for capital expenditures made in the ordinary
    course of business, including approximately $8 million for filtering servers
    and approximately $10 million for enhancement of Searchopolis.



We may also use a portion of the net proceeds for acquisitions of businesses,
products and technologies or the establishment of joint ventures that are
complementary to our current and future business. From time to time we evaluate
specific businesses, products or technologies that we may acquire, but there are
no current agreements or understandings with respect to any such transactions.



This represents our current intentions regarding use of the net proceeds from
this offering. Future events, as well as changes in economic, regulatory or
competitive conditions in our business may result in our making changes in the
use of these proceeds. Our management has broad discretion as to the allocation
of the net proceeds of this offering. See "Risk Factors -- Our Management Has
Broad Discretion Over the Use of Proceeds from this Offering" for a discussion
of risks associated with our use of the proceeds.


Until we use the net proceeds of the offering, we will invest the funds in
short-term, investment grade, interest bearing securities.

                                DIVIDEND POLICY

We have never declared or paid any cash dividends on our capital stock and do
not expect to do so in the foreseeable future. We anticipate that we will retain
any future earnings to develop and expand our business. Any future determination
with respect to the payment of dividends will be at the discretion of our board
of directors and will depend upon, among other things, our operating results,
financial condition and capital requirements, the terms of then-existing
indebtedness, general business conditions and other factors our board of
directors deems relevant. See "Management's Discussion and Analysis of Financial
Condition and Results of Operations -- Liquidity and Capital Resources."

                                       19
<PAGE>   27

                                 CAPITALIZATION

The following table shows, as of March 31, 1999:

 - our actual capitalization,


 - our pro forma capitalization after giving effect to the private sale of
   additional common stock in May 1999, and the elimination of some of our
   long-term debt that has been repaid from the proceeds of that sale and



 - our pro forma capitalization as adjusted to reflect the sale of the 4,450,000
   shares of common stock offered by us in this offering at an assumed initial
   public offering price of $11.00 per share, after deducting estimated
   underwriting discounts and commissions and estimated offering expenses.



The capitalization information found in the table below is qualified by, and
should be read in conjunction with, our more detailed financial statements and
notes to those statements appearing elsewhere in this prospectus.



<TABLE>
<CAPTION>
                                                                         MARCH 31, 1999
                                                              ------------------------------------
                                                                                      PRO FORMA AS
                                                              ACTUAL(1)   PRO FORMA     ADJUSTED
                                                              ---------   ---------   ------------
                                                               (dollars in thousands, unaudited)
<S>                                                           <C>         <C>         <C>
Short-term debt, including current portion(2)...............   $ 2,620     $   674      $   674
                                                               =======     =======      =======
Long-term debt, less current portion(2).....................       775         775          775
                                                               -------     -------      -------
Shareholders' equity (deficit)
  Preferred stock, no par value, 10,000,000 shares
     authorized(3), none issued and outstanding actual; no
     shares issued and outstanding pro forma and pro forma
     as adjusted............................................        --
  Common stock, no par value, 20,000,000 shares
     authorized(3);
     12,656,933 shares issued and outstanding actual;
     15,362,581 shares issued and outstanding pro forma;
     19,812,581 shares issued and outstanding pro forma as
     adjusted(1)............................................     4,006      13,806       58,700
  Deferred stock option compensation expense................      (376)       (376)        (376)
  Accumulated equity (deficit)..............................    (5,411)     (5,465)      (5,465)
                                                               -------     -------      -------
          Total shareholders' (deficit) equity..............    (1,781)      7,965       52,859
                                                               =======     =======      =======
            Total capitalization............................   $(1,006)    $ 8,740      $53,634
                                                               =======     =======      =======
</TABLE>


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

(1) Based on shares outstanding and excluding:


 - 1,840,830 shares subject to options outstanding, with an average exercise
   price of $0.37 per share,



 - 465,000 shares that could be issued upon exercise of warrants outstanding,
   with an exercise price of $3.14 per share and



 - 93,000 shares of common stock that could be issued upon exercise of warrants,
   with an exercise price of $0.004 per share, which will be canceled upon the
   completion of this offering.


(2) Includes capital lease obligations.


(3) On June 11, 1999, our shareholders approved an increase in the authorized
    number of shares to 50,000,000 shares of preferred stock and 250,000,000
    shares of common stock.


                                       20
<PAGE>   28

                                    DILUTION


N2H2's net tangible book value on March 31, 1999 was approximately $(1,781,000)
or $(0.14) per share. "Net tangible book value" is total assets minus the sum of
liabilities and intangible assets. "Net tangible book value per share" is net
tangible book value divided by the total number of shares outstanding before the
offering.



After giving effect to adjustments relating to the private sale on May 11, 1999
of 2,705,648 shares of additional common stock resulting in net proceeds to the
Company of $9.8 million, our pro forma net tangible book value was $7,965,129 or
$0.52 per share.



Our net tangible book value, on a proforma basis as further adjusted for the
sale of 4,450,000 shares of common stock offered by us in this offering after
deducting underwriting discounts, commissions, and other estimated offering
expenses would have been approximately $2.67 per share.



The following table illustrates the pro forma as adjusted increase in net
tangible book value of $2.15 per share and the dilution, which is the difference
between the offering price per share and net tangible book value per share, to
new investors:



<TABLE>
<S>                                                           <C>     <C>
Initial public offering price per share.....................          $11.00
Pro forma net tangible book value per share before the
  offering..................................................  $0.52
Increase in net tangible book value per share attributable
  to the offering...........................................   2.15
                                                              -----
Pro forma as adjusted net tangible book value per share
  after giving effect to the offering.......................            2.67
                                                                      ------
Dilution per share to new investors in the offering.........          $ 8.33
                                                                      ======
</TABLE>



The following table shows the difference between existing shareholders and new
investors with respect to the number of shares purchased from us, the total
consideration paid and the average price per share. The table assumes that the
initial public offering price will be $11.00 per share. Sales by the selling
shareholders in this offering will reduce the number of shares held by existing
shareholders to 15,312,581 or 77.3% of the total number of shares of common
stock outstanding after the offering. In addition, the sales by the selling
shareholders will increase the number of shares held by new investors to
4,500,000 or 22.7% of the total number of shares of common stock outstanding
after the offering. If the over-allotment option is exercised in full and sold
by the selling shareholders, sales by the selling shareholders in this offering
will increase the number of shares held by new investors to 5,175,000 or 26.1%
of the total number of shares of common stock outstanding after the offering.



<TABLE>
<CAPTION>
                                                SHARES                   TOTAL
                                              PURCHASED              CONSIDERATION
                                         --------------------    ---------------------    AVERAGE PRICE
                                           NUMBER     PERCENT      AMOUNT      PERCENT      PER SHARE
                                         ----------   -------    -----------   -------    -------------
<S>                                      <C>          <C>        <C>           <C>        <C>
Existing shareholders..................  15,362,581     77.5%    $12,784,434     20.7%       $ 0.83
New investors..........................   4,450,000     22.5      48,950,000     79.3         11.00
                                         ----------    -----     -----------   ------
          Total........................  19,812,581    100.0%    $61,734,434    100.0%
                                         ==========    =====     ===========   ======
</TABLE>


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

The foregoing discussion and tables assume no exercise of the underwriters'
over-allotment option or of any outstanding stock options or warrants after
March 31, 1999. As of March 31, 1999, there were outstanding options to purchase
1,840,830 shares of common stock at an average exercise price per share of $0.37
and warrants to purchase an aggregate of 558,000 shares at an average exercise
price per share of $2.62. You will suffer further dilution to the extent any of
these options or these warrants are exercised.


                                       21
<PAGE>   29

                            SELECTED FINANCIAL DATA

This section presents selected historical financial data of N2H2. You should
read carefully the financial statements included in this prospectus, including
the notes to the financial statements. The selected data in this section is not
intended to replace the financial statements.


We derived the statement of operations data for the fiscal years ended September
30, 1996, 1997 and 1998 and balance sheet data as of September 30, 1997 and
1998, from the audited financial statements in this prospectus. The selected
balance sheet data found below for us as of September 30, 1996 is derived from
our audited financial statements not included in this prospectus. Those
financial statements were audited by PricewaterhouseCoopers LLP, independent
accountants. We derived the statements of operations data for the six months
ended March 31, 1998 and 1999 and balance sheet data as of March 31, 1998 and
1999 from the unaudited financial statements included in this prospectus. We
believe that the unaudited historical statements contain all adjustments needed
to present the information included in those statements and that the adjustments
made consist only of normal recurring adjustments. The historical results are
not necessarily indicative of results to be expected for any future period. See
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" for a more complete discussion and analysis of the selected
financial data presented below.



<TABLE>
<CAPTION>
                                                                                 SIX MONTHS ENDED
                                        FISCAL YEAR ENDED SEPTEMBER 30,             MARCH 31,
                                      ------------------------------------   ------------------------
                                         1996         1997         1998         1998         1999
                                      ----------   ----------   ----------   ----------   -----------
                                        (dollars in thousands, except per share dat(unaudited)
<S>                                   <C>          <C>          <C>          <C>          <C>
STATEMENT OF OPERATIONS DATA:
Revenues............................  $      108   $    1,118   $    3,078   $    1,298   $     2,605
Cost of revenues....................          78          302        1,153          453         1,254
                                      ----------   ----------   ----------   ----------   -----------
Gross profit........................          30          816        1,925          845         1,351
Operating expenses:
  Sales and marketing...............         263          605        1,752          679         1,535
  Research and development..........          91          371          614          252           394
  General and administrative........         493          602        1,157          483           954
                                      ----------   ----------   ----------   ----------   -----------
          Total operating
            expenses................         847        1,578        3,523        1,414         2,883
                                      ----------   ----------   ----------   ----------   -----------
Operating loss......................        (817)        (762)      (1,598)        (569)       (1,532)
Interest expense, net...............         (10)        (119)        (287)        (110)         (247)
                                      ----------   ----------   ----------   ----------   -----------
Net loss............................  $     (827)  $     (881)  $   (1,885)  $     (679)  $    (1,779)
                                      ==========   ==========   ==========   ==========   ===========
Basic and diluted net loss per
  share(1)..........................  $    (0.11)  $    (0.10)  $    (0.22)  $    (0.08)  $     (0.17)
                                      ==========   ==========   ==========   ==========   ===========
Basic and diluted weighted average
  shares outstanding(1).............   7,316,858    8,389,878    8,687,435    8,686,411    10,758,005
</TABLE>


                                       22
<PAGE>   30


<TABLE>
<CAPTION>
                                                 SEPTEMBER 30,                      MARCH 31,
                                      ------------------------------------   ------------------------
                                         1996         1997         1998         1998         1999
                                      ----------   ----------   ----------   ----------   -----------
                                                          (DOLLARS IN THOUSANDS)   (UNAUDITED)
<S>                                   <C>          <C>          <C>          <C>          <C>
BALANCE SHEET DATA:
Cash................................  $      128   $       71   $      121   $       88   $     1,384
Working capital (deficit)...........          27         (829)      (2,179)        (910)       (2,996)
Property and equipment, net.........         163          453        1,271          772         2,045
Total assets........................         400          784        1,848        1,034         4,285
Long-term obligations, excluding
  current portion(2)................         544          826        1,942        1,781           775
Total shareholders' deficit.........        (352)      (1,201)      (2,849)      (1,880)       (1,781)
</TABLE>


- ---------------------------
(1) See Note 10 of the Notes to Financial Statements for an explanation of the
    determination of the number of shares used in computing the share data.

(2) Includes capital lease obligations.

                                       23
<PAGE>   31

                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

You should read this section together with the financial statements and other
financial information included in this prospectus. This discussion contains
forward-looking statements that involve risks and uncertainties. Our actual
results may differ materially from those indicated in these forward-looking
statements.

OVERVIEW


N2H2 is a leading provider of internet content filtering services to schools. We
also provide these services to homes through internet service providers as well
as to corporations and other organizations. Our services enable our customers to
limit access to the internet by allowing them to select their own filter
criteria from our 32 areas of categorized internet content. Our categories range
from pornography, hate and bomb construction to gambling and games. Our
filtering solutions require minimal customer effort for installation and
maintenance. In addition, our proxy-server based system updates our clients'
filtering criteria on a daily basis to reflect the continual addition or
modification of new or existing Websites on the internet.



We recently introduced Searchopolis, our education oriented internet portal. We
created Searchopolis to maximize the educational capabilities of the internet
for students, teachers, parents and administrators by aggregating internet based
educational content in one place. Searchopolis was designed to work in
conjunction with our award winning filtering search technology and is available
at www.searchopolis.com to any internet user who wants access to a safe,
educationally oriented internet portal.



We were incorporated in June 1995 and introduced the industry's first proxy
server based internet filter in September 1995. As of May 31, 1999, we had
accomplished the following:



 - provide filtering service to approximately 7.3 million students in
   approximately 8,000 schools in the United States and Canada.


 - individually reviewed and categorized over 2.2 million Websites and partial
   Websites,


 - created a database of 32 categories of internet content that can be selected
   for filtering by our customers,



 - had users access approximately 349 million Web pages through our services in
   the month of May 1999,



 - installed and shipped approximately 725 internet filtering proxy servers in
   the United States, Canada, Australia, United Kingdom, Germany, Chile, Mexico,
   India and Bermuda,


 - introduced our education portal, Searchopolis.com, in October 1998,


 - provided our services to approximately 150,000 homes through approximately
   190 internet service providers,


 - entered into strategic corporate relationships with Inktomi, Looksmart and
   others and


 - grown to 154 employees, including 92 full time and 62 part time employees.



Since inception, we have derived substantially all of our revenues through a
combination of subscription and installation fees from our internet filtering
services. Customers pay a one-time installation fee and enter into a
subscription contract, which is typically 12 months in duration. We recognize
installation revenues upon shipment of our servers and subscription revenues on
a straight line basis over the life of the subscription contract term.


We plan to offer alternate fee structures to our school customers that will give
them the choice of paying our recurring subscription fees or receiving our
filtering services at reduced rates or without charge in exchange for allowing
us to sell sponsorship rights to advertisers and to make Searchopolis the
default search engine on their networks. To the extent our customers do choose
to accept advertising from our

                                       24
<PAGE>   32

sponsors, we will lose some or all of our subscription revenues from those
customers. Our customers may not accept our alternate fee structures, and the
impact on our revenues is unpredictable.

We are expanding our services to the education and other markets with
Searchopolis. We expect Searchopolis to generate additional advertising revenues
as well as revenues from offering specialized communication features including
access-controlled, filtered e-mail, an easy-to-use calendar, Virtual Locker,
access to monitored chat rooms and various teacher tools including GradeChecker.


To date, we have derived only limited internet advertising revenues from
indirect sales of advertisements on Searchopolis by our advertising partner,
24/7 Media, Inc. In the future, we expect to obtain a greater proportion of our
revenues from the direct and indirect sale of internet advertising. We expect
that these sales will be made to companies that advertise their products and
services over the internet to our target market of K-12 students. We currently
offer advertisers various sizes and types of advertising on Searchopolis through
24/7 Media. In the future, we expect to offer additional advertising as part of
our marketing of our internet filtering services and advanced communication
tools. We recognize advertising revenues, net of any commissions paid to an
advertising agency, in the period that the advertisement is displayed. We intend
to continue to increase the number and scope of our relationships with
advertising partners, such as 24/7 Media, as well as to significantly increase
the size of our internal advertising sales organization.



We have a limited operating history and our prospects are subject to the risks,
expenses and difficulties encountered by companies in the new and rapidly
evolving internet market. We have incurred significant net losses and negative
cash flows from operations since inception and, as of March 31, 1999, had
incurred operating losses of approximately $5.4 million. These losses have been
funded primarily through the issuance of common stock and debt. We intend to
continue to invest heavily in sales and marketing, technology and our operating
infrastructure. As a result, we expect to incur substantial net losses for the
foreseeable future. Historically low inflation rates over the past three years
have had an immaterial impact on our revenues and costs. In addition, neither
our prices nor those of our principal suppliers have changed significantly over
the past three years.


In view of the rapidly changing nature of our business and our limited operating
history, we believe that period-to-period comparisons of revenues and operating
results are not necessarily meaningful. You should not rely upon this
information as an indication of future performance.


Revenues. We generate our revenues from installation, subscription and
advertising fees. Our increasing revenues over the period to period comparisons
which follow have been due primarily to increased sales volume. While
installation revenues are typically higher in the summer months, we expect
advertising revenues to be significantly affected by the reduction of internet
use by schools and K-12 students during the summer months. User traffic on our
school customer systems has historically been lower during the summer and during
year-end vacation and holiday periods, and advertising revenues will likely be
less during these periods.



Cost of revenues. Cost of revenues consists of the costs of Website review,
depreciation of servers which we own and are installed at customer locations,
technical installation and support and telecommunications costs. Since April
1999, we have included search processing and hosting fees as cost of revenues in
recognition of advertising revenues received. These costs consist of expenses
incurred with outside providers of search engine and Web hosting services,
including Inktomi and Exodus. We expect that our costs of revenues will vary
from period to period and may increase as a percentage of revenues in future
quarters as we expand our operations and offer alternate fee structures to our
school customers. Expanding our operations will also entail additional customer
support personnel and Web site review costs. We anticipate that our alternate
fee structures will increase Searchopolis traffic and require us to incur
additional search processing and hosting costs.


Sales and marketing. Sales expenses consist primarily of salaries, commissions
and bonuses. Marketing expenses consist primarily of salaries, marketing
brochures, trade shows, direct mailing programs, advertising, public relations
and travel. We believe that a significant increase in sales and marketing
efforts

                                       25
<PAGE>   33


is essential for us to continue to improve our market position. We anticipate
using approximately $14 million of the net proceeds from this offering for
increased domestic and international sales and marketing expenditures. Of that,
approximately $11.5 million may be directed domestically towards hiring
additional direct customer sales staff, advertising staff and expanding
marketing programs. The remaining $2.5 million may be targeted toward increased
international sales and marketing expenditures including hiring European
representatives. We anticipate that these increased sales and marketing efforts
would be carried out over the next two to three years.



Research and development. Research and development expenses consist primarily of
salaries and benefits for software developers, consulting fees, facilities costs
and equipment depreciation. In the development of new products and enhancement
of existing products, the technological feasibility of the service is not
established until substantially all product development is complete.
Accordingly, development costs and all costs related to internal research and
development have been expensed as incurred. We anticipate using approximately $6
million of the net proceeds from this offering for increased research and
development expenditures, primarily through the hiring of additional engineers
and other technical staff. Increased research and development expenditures may
be directed towards development of enhancements of our filtering technologies,
communications tools for Searchopolis and other future service enhancements not
presently defined.


General and administrative. General and administrative expenses consist
primarily of salaries, benefits and related costs for our executive, finance,
human resources and administrative personnel, third party professional service
fees and allocation of our facilities and depreciation expenses. We expect to
incur additional costs related to managing the financial, legal and
administrative aspects of our business. We also expect general and
administrative expenses to increase in the future, reflecting growth in our
operations and the costs associated with being a public company.


Income Taxes. Prior to May 1999 we were an S corporation for federal income tax
purposes, and effective May 11, 1999, became a C corporation. As a C
corporation, we are subject to income tax at the corporate level to the extent
we have generated net income. Any operating losses we incur will result in net
operating loss carryforwards available to offset future taxable income. A full
valuation allowance will be recorded against any deferred tax assets available
to us for use in future periods because realization of these assets is primarily
dependent on generating taxable net income in the future. We do not believe that
the change to C corporation status will have a material impact on our financial
position, results of operations or liquidity in future periods.


                                       26
<PAGE>   34

RESULTS OF OPERATIONS


The following table sets forth selected statement of operations data as a
percentage of total revenues for the periods indicated:



<TABLE>
<CAPTION>
                                                                                   SIX MONTHS
                                                      FISCAL YEAR ENDED              ENDED
                                                        SEPTEMBER 30,              MARCH 31,
                                                   ------------------------      --------------
                                                   1996      1997      1998      1998      1999
                                                   ----      ----      ----      ----      ----
                                                                                  (Unaudited)
<S>                                                <C>       <C>       <C>       <C>       <C>
Revenues.........................................   100%     100%      100%      100%      100%
Cost of revenues.................................    72       27        37        35        48
                                                   ----      ---       ---       ---       ---
Gross profit.....................................    28       73        63        65        52
                                                   ----      ---       ---       ---       ---
Operating expenses:
  Sales and marketing............................   244       54        57        52        59
  Research and development.......................    84       33        20        20        15
  General and administrative.....................   457       54        38        37        37
                                                   ----      ---       ---       ---       ---
Total operating expenses.........................   785      141       115       109       111
                                                   ----      ---       ---       ---       ---
Operating loss...................................  (757)     (68)      (52)      (44)      (59)
Interest expense, net............................    (9)     (11)       (9)       (8)       (9)
                                                   ----      ---       ---       ---       ---
Net loss.........................................  (766)%    (79)%     (61)%     (52)%     (68)%
                                                   ====      ===       ===       ===       ===
</TABLE>


SIX MONTHS ENDED MARCH 31, 1999 COMPARED TO SIX MONTHS ENDED MARCH 31, 1998
(UNAUDITED)


Revenues. Our revenues increased by $1.3 million, or 101%, to $2.6 million for
the six months ended March 31, 1999, from $1.3 million for the six months ended
March 31, 1998. This increase was due primarily to increased sales of filtering
services. Revenues from installations increased by $410,000, or 75%, to $960,000
for the six months ended March 31, 1999, from $550,000 for the six months ended
March 31, 1998. Subscription revenues increased by $877,000, or 117%, to $1.6
million for the six months ended March 31, 1999, from $748,000 for the six
months ended March 31, 1998. We began recognizing advertising revenues of
approximately $21,000 in the six months ended March 31, 1999. As our revenue
base increases, we do not believe we can sustain our historical percentage
growth rates of revenue.



Cost of revenues. Our cost of revenues increased by $801,000, or 177%, to $1.3
million for the six months ended March 31, 1999, from $453,000 for the six
months ended March 31, 1998. Cost of revenues as a percentage of total revenues
increased to 48% for the six months ended March 31, 1999, from 35% for the six
months ended March 31, 1998. These increases were due primarily to increases in
customer support personnel costs.



Sales and marketing. Sales and marketing expenses increased by $856,000, or
126%, to $1.5 million for the six months ended March 31, 1999, from $679,000 for
the six months ended March 31, 1998. This increase was primarily due to the
hiring of additional sales and marketing personnel. Sales and marketing expenses
as a percentage of revenues increased to 59% for the six months ended March 31,
1999, from 52% for the six months ended March 31, 1998.


Research and development. Research and development expenses increased by
$142,000, or 56%, to $394,000 for the six months ended March 31, 1999, from
$252,000 for the six months ended March 31, 1998. Research and development
expenses for the six months ended March 31, 1999, were related primarily to the
continued development of our filtering and Searchopolis services. In future
quarters, we expect research and development expenses to increase in amount and
to vary as a percentage of revenues. Research and development expenses as a
percentage of revenues decreased to 15% for the six months ended March 31, 1999,
from 20% for the six months ended March 31, 1998.

                                       27
<PAGE>   35


General and administrative. General and administrative expenses increased by
$471,000, or 98%, to $954,000 for the six months ended March 31, 1999, from
$483,000 for the six months ended March 31, 1998. This increase was primarily
due to increased personnel costs. General and administrative expenses as a
percentage of revenues was 37% for the six months ended March 31, 1999 and 1998.


FISCAL YEAR ENDED SEPTEMBER 30, 1998 COMPARED TO FISCAL YEAR ENDED SEPTEMBER 30,
1997


Revenues. Our revenues increased by $2.0 million, or 175%, to $3.1 million for
the fiscal year ended September 30, 1998, from $1.1 million for the fiscal year
ended September 30, 1997. Installation and subscription revenues accounted for
substantially all the revenues for the fiscal year ended September 30, 1998.
Installation revenues increased $784,000, or 138%, to $1.4 million for the
fiscal year ended September 30, 1998, from $570,000 for the fiscal year ended
September 30, 1997. Installation revenues accounted for 44% of total revenues
for the fiscal year ended September 30, 1998, compared to 51% for the fiscal
year ended September 30, 1997. The increase in installation revenues was due
primarily to sales to new customers. Subscription revenues increased by $1.2
million, or 215%, to $1.7 million for the fiscal year ended September 30, 1998,
from $548,000 for the fiscal year ended September 30, 1997. Subscription
revenues as a percentage of total revenues increased to 56% for the fiscal year
ended September 30, 1998, compared to 49% for the fiscal year ended September
30, 1997. Subscription revenues increased at a higher rate than installation
revenues primarily due to renewals of subscription contracts by existing
customers.



Cost of revenues. Cost of revenues increased by $851,000, or 282%, to $1.2
million for the fiscal year ended September 30, 1998, from $302,000 for the
fiscal year ended September 30, 1997. Cost of revenues as a percentage of total
revenues increased to 37% for the fiscal year ended September 30, 1998, compared
to 27% for the fiscal year ended September 30, 1997. The increase was due
primarily to increases in customer support personnel costs.



Sales and marketing. Sales and marketing expenses increased by $1.2 million, or
190%, to $1.8 million for the fiscal year ended September 30, 1998, from
$605,000 for the fiscal year ended September 30, 1997. This increase was
primarily due to the hiring of additional sales and marketing personnel. Sales
and marketing expenses represented 57% of our total revenues for the fiscal year
ended September 30, 1998 and 54% of our total revenues for the fiscal year ended
September 30, 1997.


Research and development. Research and development expenses increased by
$243,000, or 66%, to $614,000 for the fiscal year ended September 30, 1998, from
$371,000 for the fiscal year ended September 30, 1997. This increase was
primarily due to an increase in the number of software developers and technical
personnel supporting development of our filtering and Searchopolis services. Our
research and development expenses as a percentage of revenues decreased to 20%
for the fiscal year ended September 30, 1998, from 33% for the fiscal year ended
September 30, 1997. This decrease was due primarily to increased revenues.

General and administrative. General and administrative expenses increased by
$555,000, or 92%, to $1.2 million for the fiscal year ended September 30, 1998,
from $602,000 for the fiscal year ended September 30, 1997. This increase was
primarily due to the addition of personnel to support the growth of our business
and non-cash deferred stock compensation costs associated with warrants and
options granted during the period. General and administrative expenses as a
percentage of revenues decreased to 38% in the fiscal year ended September 30,
1998, from 54% in the fiscal year ended September 30, 1997. This decrease was
due primarily to increased revenues. We expect that our general and
administrative expenses will continue to increase in amount in the future as we
continue to build our administrative staff and operating infrastructure.

FISCAL YEAR ENDED SEPTEMBER 30, 1997 COMPARED TO FISCAL YEAR ENDED SEPTEMBER 30,
1996

Revenues. Our revenues increased by $1.0 million, or 936%, to $1.1 million for
the fiscal year ended September 30, 1997, from $108,000 for the fiscal year
ended September 30, 1996. This increase reflects both the effects of the
increasing number of servers installed and subscription renewals. Installation
and
                                       28
<PAGE>   36

subscription revenues accounted for substantially all the revenues for the
fiscal year ended September 30, 1997. Installation revenues increased by
$488,000, or 595%, to $570,000 for the fiscal year ended September 30, 1997,
from $82,000 for the fiscal year ended September 30, 1996. Installation revenues
accounted for 51% of total revenues for the fiscal year ended September 30,
1997, compared to 76% for the fiscal year ended September 30, 1996. Subscription
services revenues increased by $522,000, or 2,008%, to $548,000 for the fiscal
year ended September 30, 1997, from $26,000 for the fiscal year ended September
30, 1996. Subscription revenues as a percentage of total revenues increased to
49% for the fiscal year ended September 30, 1997, compared to 24% for the fiscal
year ended September 30, 1996.


Cost of revenues. Cost of revenues increased by $224,000, or 289%, to $302,000
for the fiscal year ended September 30, 1997, from $78,000 for the fiscal year
ended September 30, 1996. This increase was primarily due to an increase in the
number of Website reviewers. Cost of revenues as a percentage of total revenues
decreased to 27% for the fiscal year ended September 30, 1997, compared to 72%
for the fiscal year ended September 30, 1996. This decrease was primarily due to
increased revenues.



Sales and marketing. Sales and marketing expenses increased by $342,000, or
130%, to $605,000, for the fiscal year ended September 30, 1997, from $263,000
for the fiscal year ended September 30, 1996. This increase was primarily due to
the hiring of additional sales and marketing personnel. Sales and marketing
expenses as a percentage of total revenues decreased to 54% for the fiscal year
ended September 30, 1997, compared to 244% for the fiscal year ended September
30, 1996, primarily due to increased revenues.



Research and development. Research and development expenses increased by
$280,000, or 307%, to $371,000 for the fiscal year ended September 30, 1997,
from $91,000 for the fiscal year ended September 30, 1996. This increase was
primarily due to an increase in the number of software developers and technical
personnel supporting development of our filtering services. Our research and
development expenses as a percentage of total revenues decreased to 33% for the
fiscal year ended September 30, 1997, compared to 84% for the fiscal year ended
September 30, 1996.


General and administrative. General and administrative expenses increased by
$109,000, or 22%, to $602,000 for the fiscal year ended September 30, 1997, from
$493,000 for the fiscal year ended September 30, 1996. This increase was
primarily due to increases in consulting fees paid. General and administrative
expenses as a percentage of total revenues decreased to 54% for the fiscal year
ended September 30, 1997, compared to 457% for the fiscal year ended September
30, 1996, primarily because of the growth in revenues.

SELECTED QUARTERLY OPERATING RESULTS

The following table sets forth unaudited quarterly statement of operations data
for the six quarters ended March 31, 1999, as well as the percentage of our
revenues represented by each item. This data has been derived from unaudited
financial statements that have been prepared on the same basis as our audited
financial statements and, in our opinion, includes all adjustments, consisting
of normal recurring adjustments, that we consider necessary for a fair
presentation of such information when read in conjunction with our audited
financial statements and the notes to those statements included elsewhere in
this prospectus.

We have incurred operating losses since inception and we cannot be certain that
we will achieve profitability on a quarterly or annual basis in the future. We
believe that future operating results will be subject to quarterly fluctuations,
and, as a result, we believe that results of operations for interim periods
should not be relied upon as any indication of the results to be expected in any
future period. See "Risk

                                       29
<PAGE>   37


Factors -- Our Quarterly Financial Results Fluctuate and May Be Affected by
Seasonal Variations" for a description of the risks associated with quarterly
fluctuations.



<TABLE>
<CAPTION>
                                                               THREE MONTHS ENDED
                                 ------------------------------------------------------------------------------
                                 DECEMBER 31,   MARCH 31,   JUNE 30,   SEPTEMBER 30,   DECEMBER 31,   MARCH 31,
                                     1997         1998        1998         1998            1998         1999
                                 ------------   ---------   --------   -------------   ------------   ---------
                                                       (DOLLARS IN THOUSANDS, UNAUDITED)
<S>                              <C>            <C>         <C>        <C>             <C>            <C>
Revenues.......................     $ 604         $ 694      $ 675        $1,105          $1,189       $ 1,416
Cost of revenues...............       201           252        317           383             532           722
                                    -----         -----      -----        ------          ------       -------
Gross profit...................       403           442        358           722             657           694
Operating expenses:
  Sales and marketing..........       286           393        481           592             638           897
  Research and development.....       116           136        175           187             186           208
  General and administrative...       244           239        316           358             328           626
                                    -----         -----      -----        ------          ------       -------
     Total operating expense...       646           768        972         1,137           1,152         1,731
Operating loss.................      (243)         (326)      (614)         (415)           (495)       (1,037)
Interest expense, net..........       (50)          (61)       (54)         (122)           (155)          (92)
                                    -----         -----      -----        ------          ------       -------
Net loss.......................     $(293)        $(387)     $(668)       $ (537)         $ (650)      $(1,129)
                                    =====         =====      =====        ======          ======       =======
PERCENTAGE OF REVENUES
Revenues.......................       100%          100%       100%          100%            100%          100%
Cost of revenues...............        33            36         47            35              45            51
                                    -----         -----      -----        ------          ------       -------
Gross profit...................        67            64         53            65              55            49
Operating expenses:
  Sales and marketing..........        47            57         71            54              54            63
  Research and development.....        19            20         26            17              16            15
  General and administrative...        41            34         47            32              27            44
                                    -----         -----      -----        ------          ------       -------
     Total operating expense...       107           111        144           103              97           122
Operating loss.................       (40)          (47)       (91)          (38)            (42)          (73)
Interest expense, net..........        (8)           (9)        (8)          (11)            (13)           (7)
                                    -----         -----      -----        ------          ------       -------
Net loss.......................       (48)%         (56)%      (99)%         (49)%           (55)%         (80)%
                                    =====         =====      =====        ======          ======       =======
</TABLE>


LIQUIDITY AND CAPITAL RESOURCES

Since inception, we have funded our operations primarily through private sales
of equity securities, the use of short-term and long-term debt and capital
leases. As of March 31, 1999, we had cash and cash equivalents of $1.4 million.

Our operating activities resulted in net cash outflows of $304,000 in 1996 and
$427,000 in 1997 and a net cash inflow of $286,000 in 1998. For the six months
ended March 31, 1999, our operating activities resulted in a net cash outflow of
$1.4 million. The operating cash outflows in 1996, 1997 and the six months ended
March 31, 1999 resulted from net operating losses and increases in accounts
receivable due to increased sales. The operating cash inflow in 1998 resulted
primarily from increases in prepayment of subscription fees, accounts payable
and accrued liabilities.

Capital expenditures, excluding those under capital leases, totaled $121,000,
$230,000 and $383,000 in 1996, 1997 and 1998 and $416,000 in the six months
ended March 31, 1999. We anticipate that we will continue to experience an
increase in capital expenditures consistent with our anticipated growth in

                                       30
<PAGE>   38

installations of new proxy servers and purchases of equipment in support of our
increasing operations, administrative infrastructure and personnel.

Our financing activities provided $545,000 in 1996, $600,000 in 1997 and
$147,000 in 1998 and $3.1 million in the six months ended March 31, 1999. For
1996, cash provided by financing activities consisted primarily of $275,000
received in connection with the sale of common stock and $285,000 in proceeds
from long-term borrowings, reduced by $15,000 in payments on capital lease
obligations. For 1997, cash provided by financing activities consisted primarily
of $631,000 in proceeds from long-term borrowings, reduced by $31,000 in
payments on capital lease obligations. For 1998, cash provided by financing
activities consisted primarily of $210,000 in proceeds from long-term
borrowings, reduced by $51,000 in payments on capital lease obligations and
repayments of notes payable. For the six months ended March 31, 1999, cash
provided by financing activities consisted primarily of $2.0 million received in
connection with the sale of common stock and warrants and $2.0 million in
proceeds from long-term debt borrowings, less $201,000 of payments under capital
lease obligations and $669,000 of repayments on notes payable.


On April 30, 1999, we entered into a term loan and revolving line of credit
agreement with Imperial Bank. The term loan is secured by a first priority claim
against all of our unpledged assets. The term loan provides for maximum
borrowings of $2.0 million if specified conditions are met. The revolving line
of credit provides for draws of 80% of accounts receivable assigned as security
up to a maximum short-term borrowing of $2.0 million if specified conditions are
met. As of June 21, 1999, the amount available for borrowing under the term loan
and revolving line of credit totaled $1.8 million. Advances on the term loan
bear interest on the outstanding daily balance at N2H2's election at the rate of
either (a) 1.0% above the prime rate as announced by Imperial Bank or (b) at a
rate equal to the LIBOR plus 400 basis points. Advances on the revolving line of
credit bear interest on the outstanding daily balance at a rate of 0.5% above
the prime rate as announced by Imperial Bank.



On May 11, 1999, we completed a private equity financing in which we raised
$10.0 million through the sale of 2,705,648 shares of common stock at a price
per share of $3.70. This private financing was conducted to retire $2.0 million
in outstanding long-term debt and to ensure our ability to fund increased
marketing and installation activities at the beginning of the 1999 academic
summer recess, a crucial marketing period for us.


We intend to substantially increase our operating expenses in 1999 and beyond as
we:


 - enter new markets with our services and further develop our sales channels
   and international sales presence,



 - introduce an enhanced version of Searchopolis with new communication tools
   and incur increased depreciation costs for equipment supporting Searchopolis,



 - incur increased depreciation expenses related to installing additional
   servers in customer networks,



 - hire additional software development, sales and marketing, and general and
   administrative personnel,



 - implement new and upgraded operational and financial systems, procedures and
   controls,



 - assume the responsibilities of being a public company and



 - expand our customer support and service operations.



These increased operating expenses, together with capital expenditures related
to filtering servers and enhancement of Searchopolis, will consume a significant
amount of our cash resources, including a portion of the net proceeds of this
offering. We believe that the net proceeds of this offering, together with cash
from operations, will be sufficient to meet our anticipated cash needs for at
least the next 12 months. If cash generated from operations is insufficient to
satisfy our liquidity requirements, we may seek to sell additional equity or
debt securities or to obtain a larger credit facility. The sale of additional
equity or convertible debt securities would result in additional dilution to our
shareholders. The incurring of indebtedness would result in increased fixed
obligations and could result in covenants that would restrict

                                       31
<PAGE>   39

our operations. We have not made arrangements to obtain additional financing and
we cannot assure you that financing will be available in amounts or on terms
acceptable to us, if at all. See "Risk Factors -- Our Future Capital Needs Are
Uncertain."

RECENT ACCOUNTING PRONOUNCEMENTS

Statement of Financial Accounting Standards No. 128, "Earnings Per Share" issued
February 1997, requires presentation of earnings per share on a basic and
diluted earnings per share basis. Our earnings per share for all periods
presented have been stated to reflect the adoption of SFAS No. 128. Under the
provisions of SFAS No. 128, basic earnings per share is calculated as income
available to common shareholders divided by the weighted average number of
shares of common stock and common stock equivalents outstanding during the
period, including options and warrants computed using the treasury stock method.

In March 1998, the Accounting Standards Executive Committee of the American
Institute of Certified Public Accountants issued SOP 98-1, Accounting for the
Costs of Computer Software Developed or Obtained for Internal Use. SOP 98-1
provides guidance for an enterprise on accounting for the costs of computer
software developed or obtained for internal use. SOP 98-1 is effective for our
fiscal year 1999. We anticipate that accounting for transactions under SOP 98-1
will not have a material impact on our financial condition or results of
operations.

THE YEAR 2000

Background of year 2000 issues. Many currently installed computer systems and
software products are unable to distinguish between 20th century dates and 21st
century dates because such systems were developed using two digits rather than
four to determine the applicable year. For example, computer programs that have
date-sensitive software may recognize a date using "00" as the year 1900 rather
than the year 2000. This error could result in system failures or
miscalculations causing disruptions of operations, including, among other
things, a temporary inability to process transactions, send invoices or engage
in similar normal business activities. As a result, many companies' software and
computer systems may need to be upgraded or replaced to comply with "year 2000"
requirements.


Our internal systems. Our business is dependent on the operation of numerous
systems that could potentially be affected by year 2000 related problems. Those
systems include, among others, hardware and software systems used by us to
deliver products and services to our customers, communications networks such as
the internet and private intranets, the internal systems of our customers and
suppliers, software portions of products licensed to customers, the hardware and
software systems used internally by us in the management of our business and
non-information technology systems and services used by us in the management of
our business, such as power, telephone systems and building systems.


Our network is critical to providing top quality, reliable service to our
customers. Our goal is to maintain this quality and provide uninterrupted
service through the turn of the century. Our year 2000 program is
enterprise-wide and is focused on the following interrelated categories, which
include both software and hardware critical to maintaining uninterrupted service
to our customers:

 - our own computer networks and proxy server equipment,

 - applications, products and services we have developed,

 - external interfaces of our networks and applications,

 - our customers' information technology platforms that support our
   applications,

 - other information and computer systems which are essential to conduct
   business but that do not affect our ability to provide services and products
   to customers and

 - our non-information technology infrastructure.


Our readiness. The key milestones to our year 2000 program have been internal
and external assessment, testing and repair. We have completed both our internal
and external year 2000 compliance assessment.


                                       32
<PAGE>   40


We believe that we have identified and reviewed the internally and externally
developed software that supports the development and delivery of our services
and products or is necessary to maintain our administration, sales and
accounting functions. We have completed our assessment of this software and have
made the changes we consider necessary.



Costs of addressing year 2000 compliance. To date, we have spent an immaterial
amount on year 2000 compliance. We do not believe the cost of preparing for year
2000 compliance will exceed $50,000, exclusive of labor costs not specifically
allocated to year 2000 compliance matters. If we are wrong, we could face
additional unexpected expenses to fix any year 2000 problems.



Our external products vendors and systems. We use third party equipment and
software that may not be year 2000 compliant. We have reviewed our externally
purchased network elements, including switches, routers, proxy servers and
network control points and do not believe they will be affected by year 2000
concerns. We identified our fax server software as noncompliant and have
replaced it with a compliant version. We have also reviewed other systems that
are important to our business such as telecommunications, energy and
environmental management. We identified no significant problems associated with
year 2000 issues in these systems. While not all our vendors have delivered
assurances that they will be year 2000 compliant, we have not encountered any
material year 2000 problems with servers, software or information systems
provided to us by third parties.



Contingency planning. We have not developed a formal year 2000 contingency plan.
Based on our assessment to date and our readiness activities, we do not
anticipate needing to develop such a plan. As part of the overall growth of our
network services, we are increasing our telecommunication bandwidth capabilities
and purchasing and distributing servers to multiple locations. These plans,
while not specific to the year 2000 issue, could mitigate unforeseen year 2000
problems by establishing redundancy in our system.


                                       33
<PAGE>   41

                                    BUSINESS

INTRODUCTION


N2H2 is a leading provider of internet content filtering services to schools. We
are now extending the availability of our filtering services into increasing
numbers of homes, through approximately 190 internet service providers, and to
corporations and other organizations. We were the first company to offer a
server-based internet filtering solution for a customer's computer network. With
Bess, our flagship product, we currently provide filtering services to
approximately 7.3 million students in approximately 8,000 schools in the United
States and Canada. To capitalize on our existing base of school customers, we
introduced our education oriented internet portal called Searchopolis, which is
designed to appeal to K-12 students. Searchopolis incorporates our award winning
filtering search technology and is available at www.searchopolis.com to any
internet user who wants access to a safe, educationally enriched internet
portal. We began our operations in 1995 and are incorporated in Washington
state.



Our filtering services enable our school and other customers to limit access to
the internet by allowing them to select from among 32 content categories,
including pornography, profanity, hate crime advocacy, drugs, violence, weapons
instruction and other potentially unsuitable material. Customer control over the
selection of filtering criteria for internet content is one of the key features
of our filtering solutions. Our customers include:


 - the statewide networks serving most of the public schools in

        - Ohio,
        - Tennessee,
        - Maine,
        - Oklahoma and
        - Wisconsin, and

 - school systems in areas such as

        - Los Angeles County,
        - Baltimore,
        - Boston,
        - Calgary,
        - Seattle,
        - Stockton and
        - Tampa.


During May 1999, students and teachers accessed approximately 349 million Web
pages through Bess. We believe the number of users accessing the internet
through our filtering services presents a significant opportunity for us to sell
advertising to sponsors who wish to reach K-12 students.



We intend to promote Searchopolis as the premier education oriented portal,
capitalizing on our existing base of school customers using Bess to filter
internet content. Searchopolis improves the educational potential of the
internet by assembling educational content in one place and providing safe
access to the Web through our filtering search technology. We are developing and
plan to integrate additional specialized communication services into
Searchopolis to enhance its capability to serve as the portal of choice for the
community of students, teachers, parents and administrators. These features will
include: access-controlled, filtered e-mail, an easy-to-use calendar linking
schools, students and teachers, a "Virtual Locker" to store students' favorite
internet sites, classroom material and homework for access from the home,
library or other locations outside the classroom, and GradeChecker, which will
provide students, teachers and parents with internet access to grades and other
classroom information.



We believe that Bess's strong reputation among teachers and parents, combined
with the growing use of the internet at home by students, will increase the
demand for our filtering services in the residential market. We also develop,
market and support internet filtering solutions that enable businesses to
increase


                                       34
<PAGE>   42


productivity by limiting the content that employees can access on the internet
without blocking material that is appropriate and useful for their jobs. In
addition to filtering pornography and other potentially unsuitable materials,
our services enable customers to limit access to chat, sports, gambling, free
e-mail and other selected categories of sites. We are pursuing marketing
alliances with companies in the United States and overseas to increase our
penetration of the corporate market. We recently entered into an agreement with
Computer Sciences Corporation to provide company wide filtering of employee
internet use. We also have a marketing alliance with GTE Interactive to provide
internet filtering for hotel guest rooms.


Our complete filtering solutions offer the following key benefits:


 - automated identification of Websites backed by human review to accurately
   place internet content into a database of 32 categories,


 - customer choice of filtering categories with password-based override for
   authorized users,

 - ability to restrict access to Websites soliciting personal information from
   users,

 - minimal customer effort required for installation and maintenance,

 - server-based filtering that is difficult to bypass and

 - daily electronic updating of the database requiring no customer input.

INDUSTRY BACKGROUND

  Growth of the Internet


The internet has emerged as a critical global communications medium, enabling
millions of people to access and share information and conduct business
electronically. Industry analyst International Data Corporation estimates that
the number of Web users will grow from approximately 97 million worldwide in
1998 to approximately 320 million by the end of 2002. The rapidly increasing
volume of information available over the internet has contributed to the
phenomenal growth in the number of users and hours spent online. The internet
has become an invaluable tool for those who would otherwise not have access to
the rich data mine of information contained in libraries, databases and Websites
around the world. As a result, schools, libraries, homes, corporations and
affinity groups, such as churches or associations, increasingly are connecting
to, and encouraging their users to access, the internet.



In the United States, there are approximately 47 million public school K-12
students within 16,000 school districts and approximately 5 million private
school K-12 students. Estimates set the number of Canadian and European students
to be roughly equal to the number of students in the United States. Schools in
the United States are rapidly expanding their computer networks and adding
internet access with the help of a four year, $9 billion matching funds program
implemented by the Federal Communications Commission in January 1998. Both the
Clinton Administration and the Department of Education have announced long-term
goals to provide internet access to all students in the nation's public schools.
The Department of Education has recommended a target of one computer workstation
for every five students, up from one for about every 20 students currently.



We believe the home and business internet markets, both domestic and
international, present us with significant opportunities. The Annenberg Public
Policy Center estimates that 60% of United States households with children aged
8 to 17 have computers and 61% of those are connected to the internet.
International Data Corporation estimates that medium and large businesses will
account for 49 million internet users worldwide by the year 2000.


  The Need for Filtering


The introduction and expanded use of the internet as an educational tool in the
classroom has prompted school board members, superintendents and teachers to
focus on protecting students from unsuitable internet content. Parents have also
become increasingly concerned about children's access to various types


                                       35
<PAGE>   43


of content, ranging from pornography to bomb making instruction, among others.
Without an effective internet content filtering system in place, educators and
parents have had to choose between undesirable alternatives: prohibiting
internet access altogether or closely supervising each student's use of the
internet. Prohibiting internet access deprives students of the wealth of
beneficial information available on the internet, while supervision can waste an
enormous amount of teacher or parent time.



Corporations also face issues associated with unrestricted on-the-job access to
the internet, including productivity losses caused by employees spending large
amounts of time during the workday surfing the internet for personal reasons. In
addition, corporations are exposed to many potential liability issues relating
to the misuse of and unlawful distribution of internet-based content.


  The Need for an Education Oriented Portal


The internet has the potential to be a rich educational resource for K-12
students. However, most existing internet portals are targeted to the needs of
an older audience and do not address the requirements of the growing school and
student internet communities. In addition, current search engines and portals
are not formatted to meet the specific educational needs and interests of these
communities. This makes it difficult and inefficient for students, parents and
teachers to incorporate the internet into the classroom and home.


  The Development of Filtering


Early internet filtering products were based on the use of keywords, often
four-letter or slang expressions for sex or body parts. These products scan the
text of a Website and if designated keywords or phrases exist, access to the
particular Website or partial Website is blocked. Keyword blocking has
significant limitations in its ability to differentiate between acceptable and
potentially objectionable content, as it works on text only and relies on
scanning content without regard for context. For example, blocking anything with
"sex" in it blocks "Middlesex." It is impossible for a keyword blocking system
to block out all inappropriate content without simultaneously blocking a large
amount of useful information. In addition, much of the objectionable content on
the internet consists of graphics, some of which have no text to scan for
keywords.


In addition, most of the keyword filter products on the market are client-based
software products. Because the software must be installed and maintained on each
individual workstation that requires filtering, these systems have several
significant limitations:

 - users can more easily circumvent the filtering programs,

 - product installation and maintenance can be time consuming and expensive and

 - database updates require user input.

Many server-based filtering solutions suffer from some of the same deficiencies
as client-based software products. Some have limited databases that may not be
updated frequently, some are keyword based, some require extensive
administrative oversight and some are not easy to adapt to larger network
environments.


In addition to keyword filtering, access to Websites can be blocked through
universal record locator lists and packet filtering. Universal record locator
blocking involves creating lists of Web addresses in a database, often
categorized as "allowed sites" or "blocked sites." Lists of blocked universal
record locators allow targeted content management by blocking only selected
portions of a given Website, but require frequent updating to ensure the list
remains current. By comparison, packet filtering blocks access to entire
internet servers, many of which contain multiple Websites with both valuable and
inappropriate material. The potential benefits of packet filtering in terms of
speed and simplicity may be outweighed by its lack of precision.


THE N2H2 SOLUTION


N2H2 is a leading provider of internet content filtering, serving schools, homes
and businesses. We develop, market and support technology services that make the
internet a safe and educational resource for

                                       36
<PAGE>   44


K-12 students at school and at home. Our server-based internet filtering
solutions also enable businesses to increase employee productivity by limiting
the content employees can access on the internet. By using automated search
technology backed by human review to scan the internet for potentially
unsuitable material, we are able to offer our customers a significant
improvement over other internet filtering products. In addition, we offer
Searchopolis, which addresses the need for a content filtered, education focused
Web portal that is easy to navigate and provides communication tools to
students, teachers and parents.


  Our Filtering Solution


In 1995, we introduced Bess, the first proxy server-based internet filtering
solution. We believe our system provides our customers the following key
benefits:



 - Thorough and accurate content analysis. Our proprietary internet search
   technology continuously scans the internet for content that fits into one or
   more of 32 categories. Our staff of more than 15 full time and 58 part time
   employees then reviews this content and places it in the appropriate
   categories. Use of human review avoids overfiltering, which is often a
   disadvantage of fully automated systems.


 - Customer choice. We believe our proprietary search technology combined with
   human review to categorize content enables our customers to effectively
   tailor and control the Websites and pages they make available to their users.
   Our system requires minimal customer oversight by a system administrator,
   teacher or parent, while allowing our customers the flexibility to override
   specific Website filtering, customize filtered categories, select time
   schedules for various levels of filtering and grant password-based override
   for authorized users.


 - Protection of personal information. Our filtering solutions allow our
   customers to protect students and children from inappropriate solicitations
   of personal information. By identifying and categorizing Websites that seek
   access to confidential or personal information about students and children or
   their parents or families, we are able to address this growing concern about
   internet access.


 - Ease of installation and maintenance. Our proxy server-based filtering
   solutions minimize customer need to support installation and maintenance of
   equipment and software. Since our filtering product is network-based, there
   is no need to install or maintain equipment or software at each user's
   desktop. In addition, we provide full technical support to our customers for
   our services.


 - Difficult to bypass. Located on a customer's central network or at an
   internet service provider, our server-based filtering is an integral part of
   each internet access request. We believe, therefore, that it is virtually
   impossible for the user to circumvent our filtering system.



 - Continuous updating and caching. Our centrally managed system provides our
   customers with a daily electronic update of our database of categorized
   sites. As a result, our clients' filtering is kept current, reflecting
   changes to sites on the internet on a near real-time basis. Our proxy servers
   are also equipped with caching capabilities that can significantly speed
   classroom access and save our customers critical telecommunication capacity
   and expense.


  Searchopolis: Our Education Portal to the Internet

Searchopolis combines the following key features:


 - Safe search. Searchopolis includes our pioneering, proprietary filtering
   technology operated in conjunction with Inktomi's search technology.
   Searchopolis enables the user to find educational resources quickly and
   navigate safely through the internet.



 - Focused educational content. Teachers and students have limited class time to
   access and use the internet. Searchopolis enables instant access to thousands
   of Websites provided by our partner, Looksmart. These are organized by
   subjects such as history, math and science and are supplemented with learning
   tools such as a dictionary and news, sports and weather reports provided by
   our partner, InfoSpace. By assembling educational content in one place,
   making searches fast and relevant and

                                       37
<PAGE>   45

   avoiding the need for supervision, we believe Searchopolis provides a level
   of effectiveness unmatched by any other educational Web portal.

 - Communication tools. We are developing enhanced features for Searchopolis to
   provide specialized communication tools for teachers, students and parents,
   including:

   -- access-controlled, filtered e-mail,

   -- an easy-to-use calendar linking schools, teachers, students and parents in
      local communities,


   -- a Virtual Locker to store students' favorite internet sites, classroom
      material and homework for access from the home, library or other locations
      outside the classroom,


   -- access to monitored chat rooms,


   -- GradeChecker to provide parents, teachers and students internet access to
      grades and other classroom information and


   -- teacher tools, including a teacher calendar.

N2H2'S STRATEGY

Our goal is to expand our presence in the school, home and corporate markets and
to make Searchopolis the leading education oriented Web portal for K-12
students. We plan to achieve this goal through the following steps:


Aggressively expand our presence in schools. We plan to expand our education
user audience by building upon our reputation in the school market for
high-quality, effective internet content filtering. Part of our strategy for
doing this will be to make it easier for schools to purchase our services.
Today, schools are faced with many competing demands on their budgets, and we
believe they are open to proposals to assist them in meeting their educational
goals within their budgets. To more rapidly expand our filtering services and to
take advantage of advertising opportunities, we intend to offer alternate fee
structures to schools that allow us to sell sponsorship rights to advertisers
and to make Searchopolis the default search engine on these schools' networks.



Enhance content and communication features on Searchopolis. In June 1999, we
launched an enhanced Searchopolis portal which will feature specialized
communication tools customized for education, including access-controlled,
filtered e-mail, Virtual Locker, access to monitored chat rooms, GradeChecker
and a calendar. This new version of Searchopolis will also feature a directory
of useful Websites classified by educational topic and easier access to
reference tools, curriculum materials and other useful information. We plan to
continue adding content and communication features to Searchopolis in the future
and to build upon our existing agreements with Inktomi, Looksmart, InfoSpace and
Merriam-Webster, Incorporated.



Create advertising opportunities to reach the student market. We believe our
presence and continued growth in the education market will create a sizable
audience for advertisers trying to reach the 52 million public and private K-12
students in the United States. We expect to create the potential for high-value
advertising that will appeal to advertisers by differentiating students
according to school levels and geographic location.



Increase penetration of the home market. We believe parents familiar with Bess
and Searchopolis trust and value our services because we offer the content
filtering and search services used by their children's schools. We are expanding
the availability of our services to homes by making them available through
internet service providers. We have approximately 190 internet service provider
partners providing our services to over 150,000 homes in the United States and
are seeking additional relationships with internet service providers throughout
the United States and abroad. Internet service providers may choose to either
include our services in their customers' basic monthly internet access charge or
bill for it separately as an additional feature. We also target the home market
through affinity groups, such as churches and associations. These groups are
increasingly interested in filtered content tailored to their group's particular


                                       38
<PAGE>   46


needs. For example, the Church of Jesus Christ of Latter Day Saints, the Mormon
Church, which has ten million members, uses our filtering search technology on
its Website.



Expand our presence in the corporate and international markets. We are pursuing
marketing alliances with companies in the United States and overseas to increase
our penetration of the corporate market. We are also increasing our direct sales
efforts in the corporate marketplace and we recently entered into an agreement
with Computer Sciences Corporation to provide company wide filtering of employee
internet use. In addition, we recently entered into a marketing alliance with
GTE Interactive to provide internet filtering for hotel guest rooms.


Increase sales and marketing efforts and build brand awareness. We plan to
substantially increase our direct sales activities and our marketing
expenditures to penetrate the school, home, international and business filtering
markets and increase the use of Searchopolis. We also plan to devote substantial
resources and continue to work with our advertising sales partner 24/7 Media to
increase our advertising sales volume. In addition, we have begun to implement a
major brand awareness and marketing campaign designed to deliver a focused
message to each of our targeted market segments.

Pursue additional strategic relationships. We intend to aggressively pursue
additional strategic relationships to expand our business in both the corporate
and international markets. We have customers in Canada, Australia, the United
Kingdom, Germany, Mexico, Chile, India and Bermuda and intend to expand
internationally by entering into additional overseas marketing relationships.
Where appropriate, we will consider the acquisition of businesses that can help
us provide specialized content or advanced service features.

SERVICES AND TECHNOLOGY

  The N2H2 Filtering Service


We provide a complete filtering solution. Our filtering services enable our
school, library, corporate, home and other customers to limit access to
offensive or otherwise undesirable information on the internet. Our on-site
proxy servers are shipped to customers ready to install into their networks. Our
proxy servers are a combination of readily available computer hardware,
including a high capacity hard drive and a high-speed modem, purchased from
outside suppliers. We configure these servers with software developed by us that
enables them to perform their filtering functions. We also monitor and maintain
all the software and hardware components necessary to meet our customers'
filtering needs remotely from our Seattle, Washington network facility. Once a
customer notifies us that it has installed our proxy server, we can put it in
service in less than two hours. Our filtering solutions are comprised of three
main components:


 - a proxy server infrastructure,


 - our advanced internet content categorization system and


 - tools for filter control and reporting.


Proxy server infrastructure: configurations and caching. Rather than installing
a filter on every workstation as is necessary with client-based products, our
solution uses a proxy server that is usually installed on the customer's
network. Every networked workstation uses our filtering solution to access the
internet.



Proxy server-based systems are secure and difficult to bypass because the proxy
server is installed directly in the network, thus making it virtually impossible
for users to access the internet without passing through this server. From a
customer's point of view, a proxy-based system is easy and economical to operate
because it can be managed by us from one central site. Our customers' systems
are monitored, maintained and kept updated primarily from our headquarters in
Seattle. The parameters that our clients use to control the filtering of their
internet content are stored by the proxy server located on their networks and
are based on information received from our central database of categorized
Websites. This information is updated and sent to our customers' proxy servers
daily. In addition, we also send system upgrades and enhancements to our
customers' proxy servers via the internet.


                                       39
<PAGE>   47

We provide two proxy server configurations to our clients:


 - On-site configuration. In most cases, we install our proxy server on the
   customer's network. Internet requests are routed directly through these
   servers for filtering. In larger networks, we may deploy multiple filtering
   servers to assure adequate capacity, redundancy and backup. Our proxy server
   can also be configured to include a caching feature that can significantly
   increase internet access performance. Approximately 35% of universal resource
   locators retrieved by servers in our system are retrieved from cache. This
   caching feature substantially increases performance of most networks. Our
   on-site configuration is most often used by medium to large sized schools,
   school districts and state school systems. It is also used by internet
   service providers and corporations, which are then able to provide filtered
   internet services to their individual users, business customers or employees.



 - Remote or redirect configuration. For smaller networks, we offer a "redirect"
   service that enables multiple customers to share one regionally located proxy
   server. All of the customer's internet requests are routed via the internet
   to an off-site proxy server where the content is filtered and then returned
   to the customer. Smaller schools and libraries have been the primary
   customers of our redirect service. While this configuration is more
   cost-effective for smaller networks, it does not operate at the same speed as
   our on-site configuration because it requires multiple routing steps and
   lacks caching.


  Advanced Internet Content Categorization System


The filtering criteria available to our clients are based on our listing of
internet content categories. We believe we have created the most extensive and
accurate database and range of Website categories of any internet filtering
company. In our Website categorization process we employ a multi-step procedure
using automated search technology backed by human review to place internet
content into 32 distinct categories. Automated search is used to scan the
internet on a continuous basis to quickly identify Websites that potentially fit
into these categories. We employ a wide variety of techniques for this part of
our automated categorization process including keyword search and site
associations and linkages. Many of the techniques we use in our automated search
are proprietary and were developed by us. Once a Website has been identified as
fitting into one or more of our 32 categories, it is stored in a database and
prioritized for human review. Our categories and the material they cover are
summarized below:



<TABLE>
<S>                                    <C>


- ---------------------------------------------------------------------------------------------------
CATEGORY                               MATERIAL


- -------------------------------------
Adults Only                            Material labeled by its author or publisher as being
                                       strictly for adults, such as, "Adults only" or "You must be
                                       18 to visit this site."


- -------------------------------------
Alcohol                                Advocates or promotes recreational use of alcohol.


- -------------------------------------
Chat                                   Chat sites or services that allow short messages to be sent
                                       to others in real time.


- -------------------------------------
Drugs                                  Advocates or promotes recreational use of any controlled
                                       substances. (See Illegal)


- -------------------------------------
Employment Search                      Job-hunting and related employment resources.


- -------------------------------------
Free Mail                              Sites that offer free Web e-mail accounts that can expose
                                       users to unsuitable content delivered via e-mail file
                                       attachments.


- -------------------------------------
Free Home Pages                        Sites where home page space is offered for free. Individual
                                       pages that have been reviewed by N2H2 on such sites are
                                       removed from this category but filed under other categories
                                       as appropriate.


- -------------------------------------
Gambling                               Gambling services or information relevant to gambling.


- -------------------------------------
Games                                  Computer games and related information.


- -------------------------------------
</TABLE>


                                       40
<PAGE>   48


<TABLE>
<S>                                    <C>


- ---------------------------------------------------------------------------------------------------
CATEGORY                               MATERIAL


- -------------------------------------
Hate/Discrimination                    Advocates discrimination against others based on race,
                                       religion, gender, nationality or sexual orientation.


- -------------------------------------
Illegal                                Advocates or promotes illegal activities such as bomb
                                       making, fraud and computer hacking.


- -------------------------------------
Jokes                                  Jokes and humor.


- -------------------------------------
Lingerie                               Models in lingerie, except those classified as Nudity.


- -------------------------------------
Message/Bulletin Boards                Sites that permit semi-permanent messages to be posted and
                                       read by others.


- -------------------------------------
Murder/Suicide                         Information on committing murder or suicide and crime scene
                                       photos.


- -------------------------------------
News                                   News and current events.


- ---------------------------------------------------------------------------------------------------
Nudity                                 Naked or visible genitalia, buttocks, female breasts, etc.


- -------------------------------------
Personal Information                   Sites that gather personal information, including name,
                                       address and credit card number.


- -------------------------------------
Personals                              Personal advertisements, including "mail order brides."


- -------------------------------------
Pornography                            Material intended to be sexually arousing or erotic.


- -------------------------------------
Profanity                              Crude, vulgar or obscene language or gestures.


- -------------------------------------
Recreation/Entertainment               Recreation and entertainment information, other than Games,
                                       Jokes or Sports.


- -------------------------------------
School Cheating Information            Any site that promotes plagiarism or similar cheating among
                                       students.


- -------------------------------------
Sex                                    Images or descriptions of sexual activity, sexual
                                       merchandise or sexual fetishism.


- -------------------------------------
Sports                                 Sports information, especially professional sports.


- -------------------------------------
Stocks                                 Stock trading, stock quotes and stock market information.


- -------------------------------------
Swimsuits                              Models in swimwear including fashion swimwear photos.


- -------------------------------------
Tasteless/Gross                        Bodily functions, tasteless humor, graphic medical photos
                                       and others.


- -------------------------------------
Tobacco                                Advocating or promoting recreational use of tobacco.


- -------------------------------------
Violence                               Graphic images or written descriptions of wanton violence or
                                       grave injury, including graphically violent games.


- -------------------------------------
Weapons                                Information on use of weapons, weapon collecting or weapon
                                       making.


- -------------------------------------
Not Categorized                        Material reviewed but not otherwise categorized.


- -------------------------------------
</TABLE>


                                       41
<PAGE>   49

In addition to these 32 categories, we allow for exceptions to our
categorizations to permit access to useful content that would otherwise be
filtered under another category including:

 - educational material such as sex education and public health information that
   may contain sex, nudity or violence,

 - historically significant material that may contain sex or violence and

 - medical information that may contain nudity.

Our customers have the flexibility to select which, if any, of the exceptions to
these categories they wish to enable.


Categorized sites are stored in a proprietary database located at our
headquarters. The contents of this database are continuously updated using both
human and automated review and reflect the introduction of new sites on the
internet and changes to sites we previously categorized. Each day, our customers
receive electronically an encrypted copy of the Website categorization
information stored in this database.


Tools for Filter Control and Reporting. We provide our clients with a broad
range of tools that they can use to control and modify their own filtering
criteria as well as to monitor the filtering activity on their networks. These
tools are accessed through a simple Web-based interface called the control
center. The control center is password protected and currently includes the
following features:

 - Statistics reporting. Enables the system administrator to configure filtering
   reports in single day, multiple day and historical formats. Summary data can
   be displayed on Web pages, distributed by e-mail and exported to Excel
   spreadsheets.

 - Authorized users. Used to create special accounts for specific users that
   need to temporarily turn off filtering at their workstations.


 - Local URL customization. Allows the system administrator to block specific
   universal record locators that are not categorized by our system or to allow
   access to universal record locators that we have categorized.



 - Request site review. Web-based e-mail form that customers can submit to us to
   request review of a site for blocking or unblocking.


 - Cache administration. Allows the user to control the storage criteria for
   content in the proxy server cache.

 - Cache-on-demand. Enables the administrator to set caching parameters.
   Information preloaded in the proxy server cache can be retrieved
   significantly faster, particularly when the customer's network is under heavy
   use.


 - Filter schedules. Used to schedule the time of day that specified filtering
   rules will be put into effect. For example, filter schedules can be preset to
   block game sites only during school hours.


 - Filter builder. Customers use this feature to set up their own filtering
   rules. They can begin this process by starting with one of our predefined
   sets of rules or templates such as "Bess for Schools" or "Bess for Libraries"
   and then make modifications as necessary.


 - IP control. Enables the customer to define which workstations on their
   network will have access to the proxy server for filtered internet service.



In addition, in the home and internet service provider market, parents have a
password-based override allowing them unfiltered internet access at any time.



Our central servers maintain a log of internet data retrieval requests and the
workstations that originated the request. However, this process does not provide
us with information about the identity of the individual originating the
request. In some instances, our clients may maintain information regarding the
identity of users on a particular workstation at a given time.


                                       42
<PAGE>   50

  Searchopolis: Our Education Portal to the Internet


Searchopolis is our comprehensive education portal, which includes our
pioneering filtering search technology. It incorporates what we believe to be
the most valuable educational resources found on the internet and combines with
them a number of other features that are important and interesting to middle and
high school students. The internet represents a huge educational resource, but
it is disorganized and a user must often invest significant time to locate
relevant material. By assembling educational content in one place, making
searches fast and relevant and minimizing the need for adult supervision,
Searchopolis makes the internet a more effective educational resource. We intend
to make Searchopolis attractive to middle and high school students, their
teachers and parents by providing extensive content and content arrangement
features as well as specialized communication services. We believe that as
students grow accustomed to using Searchopolis at school, they will also use it
more frequently at home and increasingly appreciate its many useful features.



Content and content management features. We operate Searchopolis in conjunction
with five partners including Infospace, LookSmart, Merriam-Webster, Tribune
Media Services and Inktomi that provide us with their proprietary content or
content management services under advertising revenue sharing agreements.


Educational content directory links. Searchopolis contains links to thousands of
sites categorized by class subject, including math, history, science,
literature, civics, health and business, among others. Numerous subcategories
allow the users to focus their research quickly. These links are organized and
provided by Looksmart.


Filtered search. Our filtering search technology is operated in conjunction with
Inktomi. This search tool prohibits the user from accessing a subset of our
database of categorized sites selected for school use. It also prevents
references to such sites, which often contain lurid descriptive words designed
to attract searches, from appearing on search result lists. Other search engines
include such references on search result lists even if access to the underlying
site is blocked by another filtering product or source.


Reference tools. Our reference tools include a dictionary provided by
Merriam-Webster, a calculator, a thesaurus, a spell checker, maps and yellow and
white page directories.

News, sports and weather. Up-to-date news, sports and weather information is
provided by InfoSpace.


General interest categories. Searchopolis also provides users with organized
links to sites in numerous general categories of interest to K-12 students.
These include such categories as automotive, finance, computers and internet,
home and family, sports and recreation, travel and vacation, shopping, hobbies
and entertainment. Searchopolis also provides daily features such as "today's
TV," "today's birthday" and "site of the day."


Tools to promote communication and community. We are enhancing Searchopolis to
provide specialized tools that promote communication for teachers, students and
parents including:

 - Access-controlled filtered e-mail. Our proprietary e-mail service for K-12
   students will provide a number of special features important to the school
   environment. For instance, this service allows group sign-ups for all
   students in a class or school, while providing filtering of content for
   profanity and permitting the restriction of e-mail transmissions to specified
   recipients. This service will give schools the ability to provide varying
   levels of e-mail service to students of different ages. For example, a school
   district might permit second graders to exchange e-mail only with other
   second graders at the same school. Sixth graders might be allowed to exchange
   e-mail with anyone at their school. Eleventh graders might be allowed to send
   e-mail to anyone, including non-students.


 - School calendar. Our easy-to-use proprietary calendar will link schools,
   teachers, students and parents in local communities. The Web-based calendar
   service will provide students with their own calendar as well as school and
   class calendars that can be accessed by all school or class members. Teachers
   and


                                       43
<PAGE>   51

   schools can maintain their own calendars and have selected items
   automatically inserted into their students' calendars.

 - Monitored chat rooms. Searchopolis will include access to monitored chat
   rooms that provide students and children a safe environment to communicate
   with friends and family.


 - Virtual Locker. Students will be provided with their own Web-based Virtual
   Locker in which they can store their favorite internet sites and homework for
   later access from home, the library or other locations outside the classroom.
   In many technologically advanced schools, students currently use as many as
   four or five different computers per day. Our proprietary Virtual Locker
   service will provide them with the ability to easily work on a variety of
   different projects during the day without having to transfer files from one
   computer to another.



 - GradeChecker. GradeChecker will serve as our Web-based service allowing
   parents, teachers and students direct and timely internet access to a
   student's grades and other classroom information.



Searchopolis is available on the internet to anyone at www.searchopolis.com. Our
objective is to make Searchopolis the most used internet portal for students and
teachers. Although still under development, Searchopolis delivered approximately
2.0 million page views in May 1999. As we implement our alternate fee
structures, we believe Searchopolis will come to account for the majority of the
search traffic processed by our servers. Given the large potential volume of
internet traffic associated with K-12 students, we believe Searchopolis could
generate significant revenues from advertisers. We expect our education portal
to be a targeted, premium rate internet channel, which we will use to attract
major corporate advertisers.


SERVICE FEES


Our customers generally sign a 12-month subscription contract for our Bess
service that enables them to receive daily downloads of our categorized database
and to use our filtering and caching services. Our service delivery model is
similar for schools, internet service providers, libraries, businesses and other
customers. We also charge our customers an initial set-up or installation fee.
Both the set-up fee and the subscription rate depend upon the size and
complexity of the system installed and the expected volume of use. Subscriptions
have generally been renewed by our customers at the same price as the original
monthly subscription, without the installation charge. We believe we have a high
degree of customer satisfaction, which has resulted in an almost 100%
subscription renewal rate by our school customers during the several years that
we have offered Bess.


We plan to begin offering schools and libraries an important choice of alternate
fee structures effective for fall 1999, including an advertising-based
alternative with reduced rates or at no charge. Since schools and libraries have
limited budgets, our advertising-based fee structures will enable schools to use
their limited funding to rapidly increase the number of computer workstations in
their classrooms. At the time of subscription or renewal, customers may choose
to continue to pay our subscription fees or, alternatively, to pay reduced or no
subscription fees for our Bess filtering service in exchange for allowing
advertising and for using Searchopolis as their default search technology. We
believe many schools will choose to lower their subscription fees, which we
expect to result in accelerated market adoption of our filtering services. We
anticipate, but cannot guarantee, a substantial increase in new customers and
revenues from installations.


While our subscription revenues can be expected to decrease significantly, we
anticipate that they will be replaced, if not exceeded, by advertising revenues.
Historically, percentage increases in our subscription revenues have not kept
pace with the increased use of our systems. Our current fees are proportional to
the number of workstations on the customer network, not the volume of internet
traffic generated through those workstations. Our alternate fee structures, if
adopted by our customers, will allow our revenues to grow at a rate that
corresponds with the increased use of our services. We believe the combination
of our new services, our alternate fee structures, continuation of federal
matching funds programs and the


                                       44
<PAGE>   52


increasing use of internet-based curriculum will drive increased use of our
internet filtering services in schools.


OPERATING INFRASTRUCTURE AND SECURITY


N2H2's operating infrastructure has been designed and implemented to support the
control and maintenance of thousands of servers handling millions of user
requests per day. Our systems can be easily configured and expanded to
accommodate a wide range of bandwidth and other performance requirements. For
example, our systems are currently used by a number of small organizations with
less than 100 internet users as well as large state or county school systems.


Our proxy servers use standard hardware that is easily obtained from commercial
sources and equipped with our proprietary software. Our proxy servers are
compatible with a broad range of network platforms including Microsoft, Sun,
IBM, Apple, Macintosh and Novell. Our filtering servers run on the Linux
operating system and use custom-developed filtering proxy server software.
Internal servers run on Linux, Sun Solaris and Microsoft NT operating systems
and use custom-developed software in addition to Apache, Microsoft SQL Server
and Sybase Adaptive Server Enterprise.


Key attributes of our operating infrastructure include the ability to support
customer growth as well as performance, security and service requirements. We
maintain most of our proxy servers on our customers' premises. We also maintain
some proxy servers in our Seattle data center, and Exodus maintains additional
servers for us at their location. We house all of our critical infrastructure
servers in our Seattle data center. Our operations are dependent upon each
location's ability to protect its systems against damage from fire, earthquake,
power loss, telecommunications failure or physical break-ins. Exodus provides
comprehensive facilities management services for some of our centralized
servers, including human and technical monitoring of proxy servers 24 hours per
day, seven days per week. Exodus' facility is powered by multiple
uninterruptible power supplies. Any disruption in the internet access provided
by Exodus could seriously harm our business, results of operations and financial
condition.


All of the information required to duplicate a customer's filtering server is
stored in a database in our Seattle data center. We back up on a daily basis any
information in this database that may change on a server in the field. This
process allows us to reconstruct any data that is lost by a server in the event
of catastrophic failure or other disaster.


Our internal servers are protected behind firewalls for security purposes and do
not allow outside access at the operating system level except via special secure
channels. Access to our remote servers requires a connection originating from
one of two servers in our data center which must be accompanied by a 1024 bit
encryption key. Our servers use a highly secure operating system that is
difficult to override or bypass. Our security personnel follow CERT, BugTraq and
other security-related forums closely to ensure that any new threats are
identified and dealt with immediately. However, we cannot assure you that our
operating infrastructure will not be affected by computer viruses, electronic
break-ins or other similar disruptions.


CUSTOMERS

We provide filtering services to a customer base that includes the following:


Schools. Our school customers range from single schools to statewide systems.
Customers with thousands of workstations and multiple N2H2 servers include
Macomb School District in Michigan, Merrimack Education Center in the Boston
area, statewide networks for Ohio, Tennessee, Maine, Oklahoma and Wisconsin,
plus Calgary and the Dufferin-Peel Roman Catholic school systems in Canada. Over
7.3 million students in approximately 8,000 schools now use Bess. Our customers
are located in 47 states, Canada, Australia, United Kingdom, Germany, Chile,
Mexico, India and Bermuda. In May 1999, our customers used our filtering servers
to receive approximately 349 million internet page views.


                                       45
<PAGE>   53


Homes. We currently provide our filtering services to homes through
approximately 190 internet service providers. To date, over 150,000 homes have
elected to use our services. We recently entered the home market and we believe
our services will be used in more homes in the future. The charge for our
filtering service is typically added to the customer's monthly bill from its
internet service provider. Internet service providers may also serve as
re-sellers of our services to small businesses and schools.


Affinity Groups. We provide our core technology for filtering, filtered search
and portal development to affinity groups, including the Mormon Church. Affinity
groups purchase our filtering services for their own members. They also purchase
from us filtered search services to include on their own affinity group portal.


Corporate and International. Corporate and international customers are a small
but growing part of our customer base. We provide services to customers in
Canada, Australia, the United Kingdom, Germany, Chile, India, Mexico and
Bermuda. As corporate managers become increasingly concerned about productivity
and liability issues related to employee internet usage, we believe the
corporate market will present us with significant opportunities.


SALES AND MARKETING

  Sales to Customers


Our sales division consists of 21 sales representatives and support staff,
organized into four direct sales groups, a post-sale customer support group and
an administrative support team. Each direct sales team is dedicated to one of
our four main sales channels.


 - Direct education channel. The direct education sales group is our largest and
   is divided into three areas, each focusing on customers of particular sizes
   and needs.


        -- Our "key accounts" group focuses on sales of all our services to the
           large educational service districts or statewide school networks.



        -- Our mid-tier education sales group sells our filtering and caching
           proxy services, rating list subscriptions and search services to
           larger schools and educational service districts that operate their
           own networks, generally serving between 200 and 10,000 workstations.



        -- Finally, our small customer sales team sells our cache, filter and
           search services on a redirect basis to smaller schools, educational
           service districts and libraries that have anywhere from one to 200
           workstations.



 - ISP channel. We often gain regional internet service provider business due to
   local internet service provider activity within the education channel. As
   such, our education sales team manages the smaller to mid-size regional
   internet service providers as part of its educational sales territory. Our
   internet service provider sales team concentrates on selling our filtering
   and caching proxy servers, rating list subscriptions and filtering search
   technology to regional and larger internet service providers throughout the
   world. We have two senior sales managers dedicated to developing
   relationships with key national and international internet service providers.


 - Corporate and international markets. We have two sales representatives
   dedicated to developing sales in the corporate and international markets. We
   anticipate increased demand for our services and products as we expand our
   strategic alliances both domestically and abroad.


 - Reseller program. In addition to our direct sales groups, we have a group of
   technical sales professionals referred to as resellers dedicated to expanding
   sales of our caching proxy servers and filtering services through a growing
   list of third-party resellers. We currently have ten resellers domestically
   who operate as sales agents as well as four located in the United Kingdom and
   Australia who provide both sales and customer support services. Our target
   reseller customers are established internet service providers with large
   existing education customer bases and sales agents with access to end users
   that we cannot easily reach.

                                       46
<PAGE>   54

  Advertising Sales


Although we have only recently begun receiving advertising revenues, we are
aggressively pursuing relationships with advertisers trying to reach K-12
students, particularly those in the 10-year to 18-year age group. This group,
which constitutes the younger part of the 10 to 24 year old age group known in
the advertising industry as "Generation Y", has become the subject of increasing
focus among advertisers. It has been estimated that Generation Y represents more
than $150 billion in disposable income in the United States annually. We believe
that a higher percentage of people in this age group have been introduced to
computers at an earlier age than any previous generation.



Internet advertising is now typically conducted through the use of
"click-through" advertising banners, by which users can access more information
about an advertised product or service by clicking on the banner. Contracts for
banner advertising are typically short-term in nature, and revenues are based
upon the number of page views, referred to as user impressions. This makes it
difficult to forecast revenues receivable under internet advertising contracts.
We plan to address this uncertainty by entering into long-term "sponsorship"
arrangements with advertisers that would call for a fixed fee for a specified
time period although we have not presently entered into any such agreements.



We intend to use part of the proceeds of this offering to retain marketing
consultants with substantial advertising industry experience. We recently began
receiving sponsorship and advertising-based revenue through 24/7 Media, our
advertising partner, and we plan to expand this relationship. These efforts are
intended to increase our visibility in the advertising and corporate communities
and to help us gain access to those individuals at major corporations with
decision-making authority over advertising expenditures. Currently, all our
advertising is provided by 24/7 Media. We are also currently targeting
advertisers in the following industries:


 - food and beverage,

 - apparel,

 - sporting goods,

 - entertainment,

 - consumer electronics and

 - automotive.

We believe that companies in each of these industries are looking for new ways
to reach the Generation Y audience.

We intend to pursue sponsorship arrangements that would differ from the typical
Internet banner advertising deals to support broad marketing objectives,
including brand awareness, product introductions and online research.

  Marketing


Our marketing department currently consists of six people. We hired a marketing
staff member in June 1999, and we are actively seeking to expand the size of
this group. We also plan to add a full-time trade show manager, as participation
in trade shows is an important element of our marketing strategy. See
"Management's Discussion and Analysis of Financial Conditions and Results of
Operations -- Overview -- Sales and Marketing" for a discussion of our
anticipated costs in expanding sales and marketing efforts.


                                       47
<PAGE>   55


We advertise and market Bess, Searchopolis and our other services through a
variety of activities, including:



 - Trade shows. We have increased our visibility at major educational technology
   events in 1999, including those held in Atlantic City, Orlando, Austin,
   Seattle and Baltimore. Management believes that trade shows have historically
   generated significant sales leads.


 - Print advertising. We will continue to maintain a steady presence in key
   education technology journals, including eSchool News, Curriculum
   Administrator and Technology & Learning. We believe that these publications
   are regularly reviewed nationwide by education administrators responsible for
   technology budgets and spending decisions.

 - Direct mail. We regularly contact school administrators through direct mail.
   In the current school year, we have twice sent over 13,000 product brochures
   to education technology specialists throughout the country.


 - Online marketing. Our Website, www.n2h2.com, provides information about our
   services, facilitates communication with our current and potential customers
   and will provide links to Websites of our strategic partners. In addition, we
   include links to Searchopolis in our Bess filtering services.



We market Searchopolis to existing customers through:



 - a link located on the trailer appearing at the bottom of each page viewed
   through Bess,



 - requests for Websites which are blocked by Bess return the user directly to
   Searchopolis and



 - our new alternate fee structures provide incentives through price discounts
   for encouraging use of Searchopolis.


STRATEGIC RELATIONSHIPS

We have developed and intend to continue to develop strategic relationships to
offer services and products to a larger customer base than can be reached
through our direct sales efforts. We have a strategic relationship with Inktomi
for the operation of our filtering search technology. Under a Search Engine
Services Agreement dated January 19, 1998, Inktomi provides us with search
engine services that, combined with our filtering technology and database of
categorized Websites, form the basis of our filtering search technology. This
agreement has a three-year term and is terminable only upon a material breach of
either party which is not uncured within thirty days or in the event either
party becomes insolvent or bankrupt.


In addition, we also have strategic content and marketing relationships with
other companies, including Looksmart, WinStar Communications, Fortres Grand and
Netwave Technologies. Our agreements with Looksmart and InfoSpace have been
instrumental in assisting us in the assembly and presentation of educational
content through Searchopolis. We collaborate with a number of companies, such as
WinStar Communications and Fortres Grand Corporation, to make our internet
filtering services available to an expanding customer base through redirect
arrangements. In other relationships, we provide filtering and caching services
to internet browsers, such as NetWave's children's browser. Our plans for
increasing our corporate and international presence depend on our success in
establishing additional strategic relationships.


CUSTOMER SERVICE AND SUPPORT


We believe our high customer retention rate is evidence of our excellent
reputation for customer service. We respond to approximately 1,200 e-mails each
school day from our customers through a staff of eight reviewers dedicated
solely to that purpose. While some are from wishful students with requests such
as


                                       48
<PAGE>   56


"Please unblock Playboy.com!", most provide useful feedback that helps us refine
the accuracy and relevance of our categorization determinations.


COMPETITION


We face a large number of competitors in the internet filtering industry. Some
of the competing products, including NetNanny, SurfWatch and CyberPatrol, are
primarily client-based products that are sold directly to the end user. While we
believe that our comprehensive filtering services provide a solution superior to
these products, these products have generated significant name recognition among
parents and represent a significant competitive force in the residential
marketplace.


In addition, we have competitors that feature proxy server-based filtering
solutions using technology similar to ours, such as NetPartners Internet
Solutions, Inc.'s WebSENSE, Logon Data Corporation's X-Stop and Unified Research
Laboratories, Inc.'s I-Gear. We believe, however, that none of these products is
backed with the same level of customer support and services as ours and that
their filtering is accomplished with less precision than ours.


Searchopolis, we believe, will represent the first widely available integrated
educational internet portal targeting K-12 students, and our alternate fee
structures will give schools the choice of paying our recurring subscriber fees
or receiving our subscription-based service at reduced rates or without charge
in exchange for allowing us to sell sponsorship rights to advertisers. We
believe these alternate fee structures should give us a significant competitive
advantage. However, a competitor with greater financial and human resources than
ours could introduce a competing product to the same market fairly quickly.
Accordingly, a significant component of our strategy will be to penetrate this
market rapidly, before competing products are able to gain significant market
share, name recognition or credibility. In particular, our potential competitors
include Web retrieval and other Web portal companies such as Excite, Infoseek,
Lycos, Yahoo! and Netscape, as well as Websites targeted to educational and
family-oriented interests such as Disney.com and AOL.com.


INTELLECTUAL PROPERTY


Intellectual property is critical to our success, and we rely upon trademark,
copyright and trade secret laws in the United States and other jurisdictions to
protect our proprietary technology and brands. N2H2 and Bess are registered
United States trademarks. We have also applied to register Searchopolis and
Virtual Locker as trademarks. These trademark applications may not be granted.
In addition, any of our trademarks may be challenged by others or invalidated
through administrative process or litigation. None of our technology is
patented, and we have no patent applications pending. Our proprietary search
technology is protected by United States trade secret and copyright law. We own
and operate the servers that provide our filtering services. We protect our
proprietary rights through the use of intellectual property agreements with
employees and consultants which cover confidentiality, nondisclosure and
assignment of invention matters. Some of our former employees and consultants
who may have had access to our proprietary information have not entered into
these intellectual property agreements, although we believe that all
intellectual property that is material to our business is covered by signed
agreements. If we are wrong in this assessment, our business could be seriously
harmed.


Trademark, copyright and trade secret protection may not be available to us in
every country in which our services are available. The laws of some foreign
countries may not be as protective of intellectual property rights as United
States laws, and mechanisms for enforcement of intellectual property rights may
be inadequate. Despite our efforts to protect our proprietary rights,
unauthorized parties may attempt to obtain, copy and use our proprietary
technology.

                                       49
<PAGE>   57

REGULATORY AND LEGISLATIVE ISSUES


As use of the internet has become more prevalent and various negative issues
associated with the internet have received increasing amounts of publicity,
there has been a correspondingly greater amount of governmental attention
directed to the internet in the United States Congress and elsewhere. While
various pieces of legislation regulating different aspects of the internet and
internet-related activity have been proposed, to date there has been no
legislation enacted which places any direct and substantial regulatory burden on
N2H2. Nonetheless, we anticipate further attempts to regulate internet-related
activity, some of which may impose substantial burdens on our ability to do
business.


We have never been party to a lawsuit regarding users acquiring inappropriate
content through our system. Management believes this is unlikely in the future,
partly because of the protections provided under Section 509 of the
Telecommunications Act of 1996 for organizations that provide filtering tools or
employ them. Our customer contracts do not provide for a guaranteed level of
filtering performance, and we do not intend to offer guarantees in the future.

The United States Congress recently enacted the Children's Online Privacy
Protection Act of 1998. The principal provisions of the law become effective on
the later of (1) April 21, 2000, and (2) the date on which the Federal Trade
Commission issues a first ruling on applications for safe harbor treatment under
the Act if the Commission does not rule on the first such application by October
21, 1999, but in no case later than April 21, 2001. This act generally:

 - makes it unlawful for an operator of a Website or online service directed to
   children under age 13, and any operator that has actual knowledge that it is
   collecting personal information from such a child, to collect personal
   information from the child without having obtained verifiable parental
   consent and

 - prohibits conditioning the participation of a child under age 13 in a game,
   the offering of a prize or another activity on the child disclosing more
   personal information than is reasonably necessary to participate in such
   activity.

We do not believe that this Act will have a significant impact on our business.

LEGAL MATTERS


On May 3, 1999, NextGen Development Corporation filed a complaint in the
Superior Court of California, Orange County, against us, Hammock Consulting
Services, Inc. and other parties. The complaint alleges that the calendar
product we hired Hammock to develop uses proprietary information belonging to
NextGen. On May 4, 1999, the lawsuit was moved to federal court in the Central
District of California. The complaint seeks, among other things, a preliminary
injunction prohibiting us from marketing our portal, Searchopolis, because it
allegedly includes the calendar product in question as one of its screen tools.
Our calendar is still under development, and we do not believe that it uses any
proprietary information of NextGen. We intend to defend ourselves vigorously in
this lawsuit. In the meantime, we have entered into a mutual non-disclosure
agreement with NextGen and Hammock in order to pursue a resolution of this
matter. At present, we believe it is only remotely likely that the NextGen
lawsuit will have a material impact on us. If NextGen is successful in obtaining
a preliminary injunction, we believe we will be able to continue marketing
Searchopolis without a calendar or with an alternate calendar product.


EMPLOYEES


As of May 31, 1999, we had 154 full-time and part-time employees, including 27
in sales and marketing, 24 in technology and product development, 16 in
operations and 14 in management, finance and administration. In addition, we had
15 full-time and 58 part-time Website reviewers. As necessary, we supplement our
regular employees with temporary and contract personnel.


                                       50
<PAGE>   58

FACILITIES


Our principal place of business is located in Seattle, Washington, where we
currently lease approximately 17,000 square feet of office space. Beginning
November 1, 1999 we intend to increase our total leased space to approximately
30,000 square feet at the same location. Our lease expires in November 2004 and
includes during the term a right of first refusal on an additional approximately
13,000 square feet of space at market rates. We recently delivered notice to our
landlord of our intent to exercise this right of first refusal, and we
anticipate negotiations with our landlord will proceed in the upcoming months.
We are actively seeking to rent on a temporary basis approximately 4,000
additional square feet of space in the building we currently occupy. Given our
anticipated growth, we may need to find suitable space in addition to the
increased space available under the right of first refusal, but we believe space
will be available as needed on commercially reasonable terms.


                                       51
<PAGE>   59

                                   MANAGEMENT

EXECUTIVE OFFICERS, DIRECTORS AND KEY EMPLOYEES


The following table gives some information regarding our executive officers,
directors and key employees as of June 21, 1999:



<TABLE>
<CAPTION>
                   NAME                      AGE                    POSITION
                   ----                      ---                    --------
<S>                                          <C>   <C>
Peter H. Nickerson.........................  47    President, Chief Executive Officer and
                                                   Chairman of the Board of Directors
John F. Duncan.............................  56    Vice President -- Chief Financial Officer,
                                                   Secretary and Treasurer
Kevin E. Fink..............................  28    Vice President -- Chief Technology Officer
B. Patrick Murphy..........................  40    Vice President -- Sales
Peter H. Keane.............................  42    Vice President -- Advertising
James J. O'Halloran........................  41    Vice President -- Marketing
Peter F. Hodgson...........................  41    European Operations Director
Hollis R. Hill.............................  49    Director
Mark A. Segale.............................  39    Director
</TABLE>


Peter H. Nickerson has served as President and Chairman of the board of
directors since founding N2H2 in 1995. Since 1986, Mr. Nickerson has been a
principal of Nickerson & Associates, an econometric and data management
consulting company. He holds a Ph.D. in Economics from the University of
Washington and prior to forming N2H2 in 1995 he was a professor of economics in
the Albers School of Business at Seattle University. Mr. Nickerson is married to
Ms. Hill.


John F. Duncan joined N2H2 in April 1997 and serves as our Vice
President -- Chief Financial Officer. He also serves as our corporate Secretary
and Treasurer. From July 1996 to March 1997, Mr. Duncan was employed as a
finance and business strategy consultant to various internet related companies.
Mr. Duncan served as President and CEO of Stream Line, Inc. a manufacturer of
fly fishing equipment from 1991 to 1996. From 1986 to 1991, he served as Chief
Financial Officer of Tom Software, a developer of fourth generation languages
and accounting applications. He has also served as CFO for The Myers Group from
1984 to 1986. He has an M.B.A. in finance from the Wharton School of the
University of Pennsylvania.


Kevin E. Fink co-founded N2H2 in 1995 and serves as our Vice President -- Chief
Technology Officer. Mr. Fink has been the primary technology architect of our
services and products. Mr. Fink was the sole proprietor of KF Consulting from
September 1995 to December 1995. From February 1995 to September 1995, Mr. Fink
was director of management information services at Virtual Broadcast Networks.
He received an M.S. in Electrical Engineering from the University of Washington
in 1994 and a B.S. in Engineering from Harvey Mudd College.


B. Patrick Murphy joined N2H2 in April 1998 and serves as our Vice
President -- Sales. Mr. Murphy is responsible for managing all sales programs.
From 1996 to 1997, Mr. Murphy was a Divisional Director for AEI Music Network
and managed a network of 200 sales and service partners for this Seattle-based
commercial music provider. His experience includes 13 years in the application
software and systems integration field, including nine years as Sales Manager,
Vice President and Partner with Benchmark Systems, Inc. from 1987 to 1996. Mr.
Murphy holds a B.A. in Economics and an M.B.A. in finance from Washington State
University.



Peter H. Keane joined N2H2 in May 1998 and serves as our Vice
President -- Advertising. Mr. Keane is responsible for developing the
advertising sales strategy for our internet filtering services. He served as
Vice


                                       52
<PAGE>   60

President of Corporate Development for Hyperbole Studios from 1996 to 1998 and
as the Director of Advertising Revenue for Kidstar from 1993 to 1996. Prior to
that he held various advertising sales and management positions with the Hearst
Corporation. Mr. Keane has a B.A. in pre-law studies from Arizona State
University where he also completed M.B.A. coursework.

James J. O'Halloran joined N2H2 in June 1998 and serves as our Vice
President -- Marketing. Mr. O'Halloran has 20 years of sales and marketing
experience with various firms including technology companies. He was Director of
Education Marketing at Edmark Corporation from 1997 to 1998. He was Vice
President of Sales and Marketing for Videodiscovery from 1994 to 1997. Mr.
O'Halloran holds a B.S. in business administration from Pennsylvania State
University and an M.B.A from the University of Washington.


Peter F. Hodgson joined N2H2 in June 1999, and serves as our European Operations
Director. From June 1996 to April 1999, Mr. Hodgson was an internet consultant
and advisor and from January 1995 to June 1996, he was a consultant to
Computercall Ltd. From November 1989 to December 1994, he served as Chief
Executive Officer of Cellephone Group, PLC, a cellular service provider. Prior
to that, he held positions primarily related to sales and marketing, including
six years spent with British Telecom.



Hollis R. Hill has served as a director of ours since October 1997. Ms. Hill, an
attorney, was of counsel with the firm of Frank & Rosen from 1992 to 1997 and is
presently self-employed as a trial advocacy teacher for the National Institute
of Trial Advocacy. Ms. Hill is also an adjunct faculty member at the University
of Washington School of Law. Ms. Hill received her J.D. from the Northwestern
School of Law in Chicago and her B.A. in Independent Studies from Vassar
College. Ms. Hill is married to Mr. Nickerson.


Mark A. Segale has served as a director of ours since December 1998. Mr. Segale
has served as Vice President of MAS Resources, Inc. since 1984 and as President
of Seattle Tractor Parts and Equipment, Inc. from 1979 to the present. Mr.
Segale received his B.A. in business administration from Seattle University in
1981.

BOARD COMPOSITION

In order to be approved for listing on the Nasdaq National Market, we are
required to have two independent outside directors. We intend to retain a
minimum of two additional independent directors prior to completion of this
offering. Our board presently consists of three directors under our amended
bylaws and may be increased or decreased by board or shareholder action. At some
time after completion of this offering, we intend to increase the number of
directors on our board to five.

Effective with the first annual meeting of shareholders following this offering,
our restated articles of incorporation will provide for the division of our
board of directors into three classes, as nearly equal in number as possible,
with the directors in each class serving for a three-year term and one class
being elected each year by our shareholders. Directors may be removed only for
cause. Because this system of electing and removing directors generally makes it
more difficult for shareholders to replace a majority of the board of directors,
it may tend to discourage a third party from making a tender offer or otherwise
attempting to gain control of N2H2 and may maintain the incumbency of the board
of directors.

COMMITTEES OF THE BOARD OF DIRECTORS

Our compensation committee will consist of two outside directors who we
anticipate will be appointed before completion of this offering. Our
compensation committee will review and approve the compensation and benefits for
our executive officers and grants of stock options under our stock option plans
and will make recommendations to the board of directors regarding such matters.

Our audit committee will consist of two outside directors who we anticipate will
be appointed before completion of this offering. Our audit committee will make
recommendations to the board of directors
                                       53
<PAGE>   61

regarding the selection of independent auditors, will review the results and
scope of the audit and other services provided by our independent auditors and
will review and evaluate our audit and accounting control functions.

DIRECTOR COMPENSATION


We intend to pay each of our nonemployee directors $1,000 for each board of
directors meeting attended in person, $500 for each board meeting attended
telephonically, $500 for each committee meeting attended in person and $250 for
each committee meeting attended telephonically. We also intend to reimburse our
nonemployee directors for reasonable expenses they incur in attending meetings
of the board and its committees. Our nonemployee directors are also eligible to
receive stock options under the 1999 Nonemployee Director Stock Option Plan. See
"Management -- 1999 Nonemployee Director Stock Option Plan," for a description
of these stock options.


DIRECTOR AND OFFICER INDEMNIFICATION AND LIABILITY


Our restated articles of incorporation include a provision that limits the
liability of directors to the fullest extent permitted by the Washington
Business Corporation Act as it currently exists or as it may be amended in the
future. Consequently, subject to the Washington Business Corporation Act, no
director will be personally liable to us or our shareholders for monetary
damages resulting from his or her conduct as a director of ours, except
liability for:



  - acts or omissions involving intentional misconduct or knowing violations of
    law,



  - unlawful distributions or



  - transactions from which the director personally receives a benefit in money,
    property or services to which the director is not legally entitled.



The restated articles of incorporation also provide that we will indemnify any
individual made a party to a proceeding because that individual is or was a
director of ours. We will also advance or reimburse reasonable expenses incurred
by that individual prior to the final disposition of the proceeding to the
fullest extent permitted by applicable law. No repeal of the restated articles
of incorporation or modification of them will adversely affect any right of a
director of ours who is or was a director at the time of the repeal or
modification. To the extent the provisions of the restated articles of
incorporation provide for indemnification of directors for liabilities arising
under the Securities Act of 1933, those provisions are, in the opinion of the
Securities and Exchange Commission, against public policy as expressed in the
Securities Act and unenforceable. We have purchased and maintain director and
officer liability insurance coverage under which our directors and officers may
be indemnified against any liability they may incur for serving as our directors
and officers.


COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION

Our compensation committee will consist of two outside directors. We anticipate
that no interlocking relationship will exist between the compensation committee
and the board of directors or compensation committee of any other company, nor
will any such relationship have existed in the past.

EXECUTIVE COMPENSATION


The following table provides information on the compensation awarded to, earned
by or paid for services rendered to us in all capacities during the fiscal year
ended September 30, 1998, by our chief executive officer and the other most
highly compensated executive officers who were serving as executive officers as


                                       54
<PAGE>   62

of September 30, 1998 and whose compensation was in excess of $100,000 in the
fiscal year ended September 30, 1998, collectively, our named executive
officers.

SUMMARY COMPENSATION TABLE

<TABLE>
<CAPTION>
                NAME AND PRINCIPAL POSITION                   SALARY($)        BONUS($)
                ---------------------------                   ---------        --------
<S>                                                           <C>              <C>
Peter H. Nickerson, President, Chief Executive Officer and
  Chairman of the Board of Directors........................  $132,500         $13,898
John F. Duncan, Vice President -- Chief Financial Officer,
  Secretary and Treasurer...................................    84,542          29,858
Kevin E. Fink, Vice President -- Chief Technology Officer...    88,333          40,000
</TABLE>


No options were granted to the named executives in the last fiscal year.


AGGREGATED OPTION EXERCISES IN THE FISCAL YEAR ENDED SEPTEMBER 30, 1998 AND
FISCAL YEAR END OPTION VALUES


The following table contains information concerning the options exercised by the
named executive officers in the fiscal year ended September 30, 1998 and the
year end number and value of unexercised options with respect to each of the
named executive officers. There were no stock appreciation rights granted or
exercised during 1998, and none were outstanding as of September 30, 1998.



<TABLE>
<CAPTION>
                                                           NUMBER OF SECURITIES
                                                          UNDERLYING UNEXERCISED         VALUE OF UNEXERCISED
                                                             OPTIONS AT FISCAL          IN-THE-MONEY OPTIONS AT
                                 SHARES       VALUE             YEAR END(#)              FISCAL YEAR END($)(1)
                                ACQUIRED     REALIZED   ---------------------------   ---------------------------
            NAME               ON EXERCISE    ($)(1)    EXERCISABLE   UNEXERCISABLE   EXERCISABLE   UNEXERCISABLE
            ----               -----------   --------   -----------   -------------   -----------   -------------
<S>                            <C>           <C>        <C>           <C>             <C>           <C>
Peter H. Nickerson...........    374,062     $26,505           --             --              --             --
John F. Duncan...............         --          --      149,625        224,437      $1,618,524     $2,427,780
Kevin E. Fink................         --          --           --             --              --             --
</TABLE>


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

(1) Based on the assumed initial public offering price of $11.00 per share, less
    the corresponding exercise price of the options, multiplied by the number of
    shares underlying the options. See "Management -- 1997 and 1999 Stock Option
    Plans" for a discussion of the board's methodology for determining the fair
    market value of the common stock at the time of the grants.


EMPLOYMENT AGREEMENTS

We have entered into employment agreements with several of our officers.
Following is a summary of the material terms and conditions of these agreements.
The summary is subject to the detailed provisions of the agreements attached as
exhibits to this registration statement.

Peter H. Nickerson, John F. Duncan and Kevin E. Fink, each of whom is referred
to as an officer, entered into employment agreements with us on May 10, 1999.
Mr. Nickerson's employment agreement provides for an initial two year term, and
the agreements with Messrs. Duncan and Fink provide for 18 month terms. All
three agreements are renewable indefinitely subject to the termination
provisions described below. The compensation for each officer is as follows:

 - Mr. Nickerson will be paid an annual base salary of $225,000,

 - Mr. Duncan will be paid an annual base salary of $150,000 and

 - Mr. Fink will be paid an annual base salary of $150,000.

                                       55
<PAGE>   63

The officers' base salaries will increase October 1 of each year by 10% if we
achieved a 100% increase in revenues for the preceding year. Messrs. Nickerson,
Duncan and Fink will receive quarterly bonuses as a percentage of revenues equal
to 2.25%, 1.5% and 1.5%, respectively, of the growth in our total quarterly
revenues compared to the same quarter in the prior year, with a maximum each
fiscal year equal to 70% of the officer's base salary. In addition, each officer
is entitled to reimbursement for reasonable and documented business expenses.

Each officer's employment agreement terminates on the officer's death or
disability or for cause, where cause means:

 - a failure or refusal to perform specific duties under the employment
   agreement which remains uncured,

 - willful misappropriation of funds,

 - excessive drug or alcohol use,

 - conviction of a felony or

 - any willful or intentional act in disregard of our interests.

If an officer's employment agreement is terminated due to death or disability,
we will continue to pay the officer's base salary for a minimum of 12 months.
Upon termination for cause or voluntarily by the officer without good reason, we
will pay the officer's base salary and bonus, if any, only through the date of
termination.

Mr. Nickerson's employment agreement provides for a two year severance period,
while the agreements with Messrs. Duncan and Fink provide for 18 month severance
periods. If we terminate an officer's employment without cause or the officer
resigns for good reason, we will pay the officer's base salary and bonus, if
any, for the applicable severance period and also unvested stock options which
are scheduled to vest during the severance period will vest immediately. Upon
termination following any change in control, defined to include any
recapitalization, merger or sale of substantially all of our assets, we will
also pay the officer's base salary and bonus, if any, for the applicable
severance period and all unvested stock options will vest immediately.

Each employment agreement contains a noncompetition covenant, which has a 24
month duration in the case of Mr. Nickerson and 18 month duration in the cases
of Mr. Duncan and Mr. Fink. The agreements also contain confidentiality,
nondisclosure and assignment of invention provisions.

1997 AND 1999 STOCK OPTION PLANS


N2H2's stock option plans include the 1997 Stock Option Plan, as amended, and
the 1999 Stock Option Plan. The Nonemployee Director Stock Option Plan is
described separately below. Our board of directors adopted our 1997 Plan on
September 30, 1997, and our shareholders approved it on October 21, 1997. The
board adopted our 1999 Plan on March 19, 1999, and our shareholders approved it
on April 2, 1999. The plans provide for grants of incentive stock options that
qualify under Section 422 of the Internal Revenue Code to employees, including
officers, of N2H2 or any affiliate of N2H2, and nonstatutory stock options to
employees, including officers or directors of and consultants to N2H2 or any
affiliate of N2H2. The board of directors or a committee appointed by the board
administers the plans. References to the board in this description of the plans
include any such committee. Our board of directors has the authority to
determine which recipients and what types of awards are to be granted, including
the exercise price, number of shares subject to the award and conditions of
exercise.


The term of a stock option granted under the plans generally may not exceed 10
years. The board of directors determines the exercise price of options granted
under the plans. In the case of an incentive stock option, the exercise price
cannot be less than 100% of the fair market value of our common stock on the
date of grant. Options granted under the plans vest at the rate specified in the
option agreement. An optionee may not transfer options other than by will or the
laws of descent or distribution.

                                       56
<PAGE>   64

No incentive stock option may be granted to any person who, at the time of the
grant, owns or is deemed to own, stock that has more than 10% of the total
combined voting power of N2H2 or any affiliate of N2H2, unless the option
exercise price is at least 110% of the fair market value of the stock subject to
the option on the date of grant and the term of the option does not exceed five
years from the date of grant. In addition, $100,000 is the maximum amount
permitted for the aggregate fair market value, determined at the time of grant,
of the shares of our common stock covered by incentive stock options exercisable
for the first time by an optionee during any calendar year under the stock
option plans of N2H2 and its affiliates. The options or portions of options that
exceed this limit are treated as nonstatutory options.

Shares subject to stock awards that have lapsed or terminated, without having
been exercised in full, may again become available for the grant of awards under
the plans unless the plan under which the option was granted has been
terminated.


Options granted under the 1997 Plan vest over a three year schedule, with annual
vesting on the first, second and third anniversaries of employment. Options that
have been granted to date under the 1999 Plan vest on a similar basis but over a
four year period. The Plans provide for the vesting of options granted before
September 1998 to accelerate and become fully vested if a change of control of
N2H2 occurs. The form of Incentive Stock Option Agreement under the 1999 Plan
provides that if a change of control of N2H2 occurs, any options granted under
an Incentive Stock Option Agreement that are scheduled to vest within 15 months
after the date of the change of control will immediately vest, and any options
scheduled to vest beyond 15 months after the date of the change of control will
terminate.



At the inception of the 1997 Plan, the board based its initial fair market
valuation of the common stock at the time of grant of the initial options on the
third party transaction with The Segale Group dated July 31, 1996. In that
transaction, Mark Segale purchased 1,225,000 shares at $0.16 per share. Initial
grants under the 1997 Plan were valued at $0.18. Since then, the board has
considered the following factors, among others, in determining the fair market
value of the common stock at the time of grants under the 1997 Plan and 1999
Plan:



     - growth of N2H2's sales and revenues,



     - liquidity and



     - solicited and unsolicited third party valuations of N2H2.



As of June 21, 1999, options to purchase 1,485,000 shares were outstanding and
9,501 shares were available for future grant under our 1997 Plan. As of the same
date, 1,329,625 shares were authorized, options to purchase 1,323,499 shares had
been granted and 6,126 shares were available for future grant under our 1999
Plan. Our 1997 Plan and our 1999 Plan will terminate on September 30, 2007, and
on March 19, 2009 respectively, unless terminated sooner by the board.



1999 NONEMPLOYEE DIRECTOR STOCK OPTION PLAN.  The 1999 Nonemployee Director
Stock Option Plan was adopted by our board on May 10, 1999, and approved by our
shareholders on June 11, 1999. We have reserved 87,500 shares of common stock
for issuance under the 1999 Nonemployee Director Stock Option Plan. Under the
1999 Nonemployee Director Stock Option Plan, each of our nonemployee directors
is granted an option to purchase 3,750 shares of common stock upon becoming a
member of our board, and an option to purchase 3,750 shares of common stock
immediately following each of our annual shareholder meetings. The exercise
price of options to be granted under the 1999 Nonemployee Director Stock Option
Plan will equal the fair market value of our common stock on the date of grant.
Options granted under the 1999 Nonemployee Director Stock Option Plan will be
fully exercisable beginning six months after the date of grant for a 10 year
period from the date of grant. As of the date of this prospectus, no options
have been granted under the 1999 Nonemployee Director Stock Option Plan.


                                       57
<PAGE>   65

                       PRINCIPAL AND SELLING SHAREHOLDERS


The following table summarizes information regarding the beneficial ownership of
our outstanding common stock as of June 21, 1999 for:


 - each of the selling shareholders,

 - each person or group that we know owns more than 5% of our common stock,

 - each of our directors,

 - our chief executive officer,

 - the officers whose compensation exceeded $100,000 and

 - all of our directors and executive officers as a group.

Beneficial ownership is determined in accordance with rules of the Securities
and Exchange Commission and includes shares over which the indicated beneficial
owner exercises voting and/or investment power. Shares of common stock subject
to options currently exercisable or exercisable within 60 days are deemed
outstanding for computing the percentage ownership of the person holding the
options, but are not deemed outstanding for computing the percentage ownership
of any other person. Except as otherwise indicated, we believe the beneficial
owners of the common stock listed below, based on information furnished by them,
have sole voting and investment power with respect to the number of shares
listed opposite their names.


Unless otherwise indicated, the following officers, directors and shareholders
can be reached at our principal offices. The address for Mark A. Segale, Lisa M.
Atkins, Tina A. Covey, Nita S. Johnson, Ann J. Nichols and Donna A. Segale is
18000 Andover Park West, Suite 200, Tukwila, Washington 98188. The percentages
of ownership listed below are based on 15,634,276 shares of our common stock
outstanding prior to the offering and 20,084,276 shares outstanding after the
offering. Shares of common stock issuable for options outstanding and
exercisable within 60 days after the date of this prospectus are deemed to be
outstanding for purposes of computing the percentages of ownership for the
option holders but not for other listed shareholders.



<TABLE>
<CAPTION>
                                             SHARES BENEFICIALLY                 SHARES BENEFICIALLY
                                           OWNED PRIOR TO OFFERING               OWNED AFTER OFFERING
    SELLING SHAREHOLDERS, DIRECTORS,       -----------------------   SHARES     ----------------------
      OFFICERS AND 5% SHAREHOLDERS          NUMBER       PERCENT     OFFERED     NUMBER      PERCENT
    --------------------------------       ---------    ----------   -------    ---------   ----------
<S>                                        <C>          <C>          <C>        <C>         <C>
Peter H. Nickerson(1)....................  6,461,942       41.3%         --     6,461,942      32.2%
Hollis R. Hill(2)........................  4,906,942       31.4          --     4,906,942      24.4
Kevin E. Fink(3).........................    723,332        4.6          --       723,332       3.6
John F. Duncan(4)........................    187,935        1.2          --       187,935         *
Robert S. London
  809 Presidio Avenue, Suite B,
  Santa Barbara, CA 93101(5).............  1,598,520       10.2          --     1,598,520       8.0
Mark A. Segale(6)(7).....................  1,786,316       11.4      28,445     1,757,871       8.8
Lisa M. Atkins(6)(8).....................    459,117        2.9       7,310       451,807       2.2
Tina A. Covey(6)(9)......................    459,117        2.9       7,310       451,807       2.2
Nita S. Johnson(6)(10)...................    226,571        1.4       3,610       222,961       1.1
Donna A. Segale(6)(11)...................    115,948          *       1,845       114,103         *
Ann J. Nichols(6)(12)....................     92,888          *       1,480        91,408         *
All current executive officers and
  directors as a group (5 persons).......  9,159,525       58.6%     50,000     9,131,080      45.5%
</TABLE>


- ---------------------------
  *  Less than one percent.

                                       58
<PAGE>   66


 (1) Includes 374,062 shares of our common stock held by Mr. Nickerson,
     4,532,880 shares of our common stock held jointly with his wife, Hollis
     Hill, 1,400,000 shares of our common stock held by him as custodian under
     the Uniform Transfers to Minors Act for the benefit of their children, and
     155,000 shares for which he exercises sole voting power under an
     irrevocable proxy granted by Jennifer Perenchio.



 (2) Includes 4,532,880 shares of our common stock held by Ms. Hill jointly with
     her husband, Mr. Nickerson, and 374,062 shares of our common stock held as
     community property by her husband, Mr. Nickerson. Excludes 1,400,000 shares
     of our common stock held by her husband as custodian under the Uniform
     Transfers to Minors Act for the benefit of their children.



 (3) Includes 700,000 shares of common stock held Mr. Fink and 23,332 options to
     purchase common stock currently outstanding and exercisable held by his
     wife, Jessica Lyman.



 (4) Consists of 15,000 shares of common stock and options to purchase 172,935
     shares of common stock held by Mr. Duncan and currently exercisable.



 (5) Includes 1,457,610 shares of common stock and warrants to purchase 140,910
     shares of common stock held by Mr. London that are currently exercisable.



 (6) Mr. Segale, Lisa M. Atkins, Tina A. Covey, Nita S. Johnson, Ann J. Nichols
     and Donna A. Segale, collectively partners of The Segale Group, are parties
     to a Registration Rights Agreement among the same shareholders and us,
     which provide that Mr. Segale has various powers related to the shares held
     by the other Segale Group shareholders. The number of shares offered by
     these shareholders is estimated based upon the midpoint of the price range
     set forth on the cover of this prospectus.



 (7) The number of shares held by Mr. Segale prior to the offering includes
     1,735,166 shares of our common stock and a warrant to purchase 51,150
     shares of our common stock which will be cancelled upon the sale of 28,445
     shares of common stock under this offering.



 (8) Includes 445,827 shares of common stock and warrants to purchase 13,290
     shares of our common stock held by Ms. Atkins, which are currently
     exercisable and which will be canceled upon her sale of 7,310 shares under
     this offering.



 (9) Includes 445,827 shares of common stock and warrants to purchase 13,290
     shares of our common stock held by Ms. Covey, which are currently
     exercisable and which will be cancelled upon her sale of 7,310 shares under
     this offering.



(10) Includes 219,940 shares of common stock and warrants to purchase 6,631
     shares of our common stock held by Ms. Johnson, which are currently
     exercisable and which will be canceled upon her sale of 3,610 shares under
     this offering.



(11) Includes 112,628 shares of common stock and warrants to purchase 3,320
     shares of our common stock held by Ms. Segale, which are currently
     exercisable and which will be canceled upon her sale of 1,845 shares under
     this offering.



(12) Includes 90,228 shares of common stock and warrants to purchase 2,659
     shares of our common stock held by Ms. Nichols, which are currently
     exercisable and which will be canceled upon her sale of 1,480 shares under
     this offering.




                                       59
<PAGE>   67

                              CERTAIN TRANSACTIONS

We believe that each of the transactions described below was carried out on
terms that were no less favorable to us than those that would have been obtained
from unaffiliated third parties. Any future transactions between us and any of
our directors, officers or principal shareholders will be on terms no less
favorable to us than could be obtained from unaffiliated third parties and will
be approved by a majority of the independent and disinterested members of the
board of directors.

COMMON STOCK ISSUANCES

Since October 1, 1997, we have issued and sold securities to the following
persons who are our executive officers and directors:


 - Peter H. Nickerson and Hollis R. Hill:  On January 28, 1999, Mr. Nickerson
   and Ms. Hill purchased 937 shares of our common stock at a price per share of
   $1.18, or an aggregate of $1,110. On December 31, 1998, and in conjunction
   with our contemplated transition from an S corporation to a C corporation, we
   redeemed 500,000 shares of common stock held by Mr. Nickerson and Ms. Hill at
   a price per share of $1.18 or an aggregate of $592,000. Mr. Nickerson and Ms.
   Hill in turn purchased 500,000 shares of common stock from us on December 31,
   1998, at a price per share of $1.18 or an aggregate of $592,000. On December
   31, 1998, we issued and sold 51,943 shares of common stock to Mr. Nickerson
   and Ms. Hill, a marital community, at a price per share of $1.18, or an
   aggregate of $61,500. Mr. Nickerson currently serves as President, Chief
   Executive Officer and Chairman of the board of N2H2. Ms. Hill serves as a
   director of ours. Mr. Nickerson and Ms. Hill are married.



 - John F. Duncan:  On May 15, 1999, Mr. Duncan exercised options to purchase
   15,000 shares of common stock at a price per share of $0.18 for an aggregate
   amount of $2,742. On March 17, 1999, Mr. Duncan exercised options to purchase
   73,900 shares of common stock at a price per share of $0.18 for an aggregate
   of $13,509. Mr. Duncan subsequently made a gift of these shares to his adult
   children and sister. Mr. Duncan currently serves as our Vice
   President -- Chief Financial Officer, Secretary and Treasurer.



 - Mark A. Segale:  In conjunction with this offering, Mr. Segale will sell
   27,805 shares of common stock under a Registration Rights Agreement dated
   effective as of December 31, 1998, among Mr. Segale, some of our other
   shareholders and us. In connection with this sale, warrants to purchase
   51,150 shares of common stock held by Mr. Segale will be cancelled. Effective
   as of December 31, 1998, we issued to Mr. Segale, for the community of him
   and Keri D. Segale, 212,818 shares of common stock together with warrants to
   purchase 51,150 shares of common stock in connection with the satisfaction of
   a $500,000 obligation under a Loan and Stock Option Agreement dated July 31,
   1996.


THE SEGALE GROUP


On July 31, 1996, we entered into a Loan and Stock Option Agreement with The
Segale Group, a Washington general partnership, of which Mr. Segale, currently a
director and 5% shareholder of ours, was managing partner. That agreement
provided for maximum borrowings of $500,000 in $100,000 increments drawn at our
option. The outstanding principal bore interest at 12.0% per annum and was to be
payable on July 31, 1999. In connection with that loan, we issued warrant
equivalents to purchase 2.2% of our outstanding common stock for each $100,000
of outstanding debt. The warrant equivalents, in the aggregate, represented
11.0% of our outstanding common stock. The agreement also included an anti-
dilution provision that allowed The Segale Group to maintain an aggregate 25%
ownership interest in N2H2 including the 1,225,000 shares of common stock
already owned by them.



As of December 31, 1998, the outstanding loan balance under the Loan and Stock
Option Agreement was $500,000. Under a Loan Conversion Agreement dated April 8,
1999, and dated effective as of December 31, 1998, we issued 1,632,500 shares of
common stock and warrants to purchase 93,000 shares


                                       60
<PAGE>   68


of common stock at a price per share of $0.004 per share to Mr. Segale, Lisa M.
Atkins, Tina A. Covey, Nita S. Johnson, Ann J. Nichols, Donna A. Segale and
Samir J. Tuma, all partners in The Segale Group. These warrants expire on the
earlier of (a) December 31, 2003, or (b) an initial public offering of our
common stock where partners of The Segale Group are allowed to sell shares of
our common stock at an aggregate offering price of $500,000, net of underwriting
discounts. The warrants are exercisable at an adjusted price per share of
$0.004. We have included The Segale Group partners' offer to sell shares of
common stock at an aggregate offering price of $500,000, net of underwriting
discounts, under this prospectus. Therefore, these warrants will be cancelled
upon conclusion of this offering.



Under a Registration Rights Agreement dated effective as of December 31, 1998,
The Segale Group partners have rights to require us to register their 3,154,845
shares of common stock and the 93,000 shares of common stock subject to warrants
to purchase common stock held by them.


Seattle Tractor Parts and Equipment, Inc., loaned $400,000 to us on April 11,
1997, represented by a promissory note secured by a pledge of shares of common
stock from Mr. Nickerson and Ms. Hill. Mr. Segale is the president of Seattle
Tractor Parts and Equipment, Inc. In connection with the April 8, 1999 Loan
Conversion Agreement, we repaid all outstanding principal and accrued interest
on that loan.

DEBT AND EQUITY FINANCINGS

In a series of related transactions under a Securities Purchase Agreement, as
amended, dated December 31, 1998, and January 26, 1999, we issued to a group of
18 investors:


  - 1,687,113 shares of common stock at a price per share of $1.16, net of
    commissions,



  - warrants to purchase a total of 465,000 shares of our common stock at a
    price per share of $3.14 and



  - promissory notes in an aggregate amount of $2.0 million.


The investor group included Robert London, a holder of more than 5% of our
common stock. The note payable to Mr. London was in the amount of $606,060, plus
interest at 11.5% per annum. The warrants expire on December 30, 2003. The
warrants may be exercised either by paying cash or surrendering the warrants in
exchange for a number of shares equal to:


  - the difference in value between the exercise price of the surrendered
    warrants and the fair market value of our common stock as reported on an
    organized stock exchange at the close of business the day before exercise,



  - the market price multiplied by the number of shares represented by the
    warrants and



  - divided by the market price.



Under a Registration Rights Agreement dated effective as of December 31, 1998,
the investors under those agreements have rights to require us to register their
1,687,113 shares of common stock and 465,000 shares of common stock subject to
warrants to purchase common stock held by them.


The Securities Purchase Agreement, as amended, provides that we will pay
Cruttenden Roth Bridge Fund, LLC, a commission and a private placement fee. To
date, we have paid $362,944 to Cruttenden Roth in commission and placement fees,
together with $30,000 in attorneys' fees associated with the transactions. Mr.
London is a managing director of Cruttenden Roth Inc.


On May 11, 1999, we completed a private equity financing in which we sold
2,705,648 shares of common stock to investors at a price per share of $3.70 for
an aggregate of $10,000,129. In connection with this financing, Mr. London's
$606,060 promissory note, plus accrued interest of $2,126, was satisfied and
exchanged for 164,552 shares of common stock. We also paid Cruttenden Roth Inc.
$200,000 in placement agent fees associated with closing of this private
financing.


                                       61
<PAGE>   69

EMPLOYMENT AGREEMENTS

We have entered into employment agreements with several of our key employees,
including Peter H. Nickerson, John E. Duncan and Kevin Fink. These agreements,
which include provisions requiring severance payments if a change of control
occurs, are described in "Management -- Employment Agreements."

DEFERRED EMPLOYEE COMPENSATION

In a letter agreement with Mr. Nickerson dated April 15, 1997, we agreed to pay
Mr. Nickerson $185,000 in employment compensation the payment of which had been
deferred. In December 1998, we paid Mr. Nickerson the full amount of that
obligation.

                                       62
<PAGE>   70

                          DESCRIPTION OF CAPITAL STOCK

Our restated articles of incorporation authorize us to issue, subject to
shareholder approval, up to 250,000,000 shares of common stock, no par value per
share and 50,000,000 shares of preferred stock, no par value per share. The
following summary of certain provisions of the common stock and preferred stock
is not complete and may not contain all the information you should consider
before investing in the common stock. You should read carefully our restated
articles of incorporation, which are included as an exhibit to the registration
statement, of which this prospectus is a part.

COMMON STOCK


As of June 21, 1999 there were 15,634,276 shares of common stock outstanding
held of record by 106 shareholders. Following this offering, there will be
20,084,276 shares of common stock outstanding, provided that there has been no
exercise of the Underwriters' over-allotment option and no exercise of
outstanding options. The holders of common stock are entitled to one vote per
share on all matters to be voted on by the shareholders. Subject to preferences
of any outstanding shares of preferred stock, the holders of common stock are
entitled to receive ratably any dividends the board of directors declares out of
funds legally available for the payment of dividends. We have not paid any cash
dividends since our inception. See "Dividend Policy" for a more detailed
statement of our dividend history. If N2H2 is liquidated, dissolved or wound up,
the holders of common stock are entitled to share pro rata all assets remaining
after payment of liabilities and liquidation preferences of any outstanding
shares of preferred stock. Holders of common stock have no preemptive rights or
rights to convert their common stock into any other securities. There are no
redemption or sinking fund provisions applicable to the common stock. All
outstanding shares of common stock are fully paid and nonassessable and the
shares of common stock to be issued following this offering will be fully paid
and nonassessable.


PREFERRED STOCK

The board of directors, without shareholder approval, can issue preferred stock
with voting, conversion or other rights that could adversely affect the voting
power and other rights of the holders of common stock. Preferred stock could
thus be issued quickly with terms that could delay or prevent a change in
control of N2H2 or make removal of management more difficult. Additionally, the
issuance of preferred stock may decrease the market price of the common stock
and may adversely affect the voting and other rights of the holders of common
stock. We currently have no plans to issue any preferred stock.

REGISTRATION RIGHTS


In connection with several transactions, we have entered into registration
rights agreements with several shareholders, including Robert London and Mark
Segale, covering an aggregate of 10,800,688 shares of our common stock together
with 558,000 warrants to purchase our common stock, 93,000 of which will be
terminated upon completion of this offering. Under the registration rights
agreements, these shareholders are entitled to the registration of their shares
under the Securities Act in specified contexts. If we propose to register any of
our securities under the Securities Act, either for our own account or for the
account of other security holders, the shareholders holding registration rights
are entitled to notice of such registration and have rights to include their
shares of common stock in such registration at our expense. Additionally, these
shareholders may require us to file additional registration statements on Form
S-3 at our expense. All of these registration rights are subject to specified
conditions and limitations, among them the right of the underwriters of an
offering to limit the number of shares included in such registration. However,
in the absence of the underwriters giving approval for the inclusion of shares
in this offering, the registration rights agreements require the holders to
execute 180 day lock-up agreements. Under the lock up agreements, the
shareholders agree not to sell, enter agreements to sell or hypothecate the
shares covered by registration rights agreements for a period of 180 days
following this offering.


                                       63
<PAGE>   71

WARRANTS


As of December 31, 1998, we issued warrants to purchase 93,000 shares of common
stock at a per share price of $0.004 to Mark A. Segale, Lisa M. Atkins, Tina A.
Covey, Nita S. Johnson, Ann J. Nichols, Donna A. Segale and Samir J. Tuma. These
warrants expire on the earlier of (a) December 31, 2003, or (b) an initial
public offering of our common stock where the partners in The Segale Group are
allowed to sell shares of our common stock at a net valuation of $500,000, as
selling shareholders. In satisfaction of this obligation, we have included the
offer by the partners of The Segale Group to sell 50,000 shares of common stock
under this prospectus. Therefore these warrants will be cancelled upon
conclusion of this offering.



In connection with a series of transactions dated December 31, 1998 and January
26, 1999, we issued warrants to purchase 465,000 shares of our common stock at a
per share price of $3.14 to a group of 17 investors, including Robert London, a
holder of more than 5% of our common stock. The warrants may be exercised either
by paying cash or surrendering the warrants in exchange for a number of shares
equal to:



 - the difference in value between the exercise price of the surrendered
   warrants and the fair market value of our common stock as reported on an
   organized stock exchange at the close of business the day before exercise,



 - the market price multiplied by the number of shares represented by the
   warrants and



 - divided by the market price.


ANTI-TAKEOVER EFFECTS OF PROVISIONS OF OUR RESTATED ARTICLES, AMENDED BYLAWS AND
WASHINGTON LAW

As noted above, our board of directors, without shareholder approval, has the
authority under our restated articles of incorporation to issue preferred stock
with rights superior to the rights of the holders of common stock. As a result,
preferred stock could be issued quickly and easily, could adversely affect the
rights of holders of common stock and could be issued with terms calculated to
delay or prevent a change in control of N2H2 or make removal of management more
difficult.


Washington law imposes restrictions on transactions between a corporation and
its significant shareholders under circumstances defined in Chapter 23B.19 of
the Washington Business Corporations Act. Specifically, a "target corporation"
is prohibited, with exceptions defined in the statute, from engaging in
specified significant business transactions with an acquiring person. An
acquiring person is defined as a person or group of persons that beneficially
owns 10% or more of the voting securities of the target corporation. The
restriction applies for a period of five years after such acquisition, unless
the transaction or acquisition of shares is approved by a majority of the
members of the target corporation's board of directors prior to the time of
acquisition. Prohibited transactions include, among other things:



 - a merger or consolidation with, disposition of assets to or issuance or
   redemption of stock to or from, the acquiring person,



 - termination of 5% or more of the employees of the target corporation as a
   result of the acquiring person's acquisition of 10% or more of the shares or



 - allowing the acquiring person to receive any disproportionate benefit as a
   shareholder.



After the five-year period, a "significant business transaction" may occur, as
long as it complies with the "fair price" provisions of the statute. A
corporation may not "opt out" of this statute. This provision may have the
effect of delaying, deterring or preventing a change in control of N2H2.


                                       64
<PAGE>   72

  Election and removal of directors

Effective with the first annual meeting of shareholders following this offering,
our restated articles of incorporation provide for the division of our board of
directors into three classes, as nearly as equal in number as possible, with the
directors in each class serving for a three-year term and one class being
elected each year by our shareholders. Directors may be removed, prior to the
expiration of their terms, only for cause. Because this system of electing and
removing directors generally makes it more difficult for shareholders to replace
a majority of the board of directors, it may tend to discourage a third party
from making a tender offer or otherwise attempting to gain control of N2H2 and
may maintain the incumbency of the board of directors.

  Shareholder meetings

Under our restated articles of incorporation and amended bylaws, our
shareholders may call a special meeting only upon the request of holders of at
least 25% of the outstanding shares. Additionally, the board of directors and
the president may call special meetings of shareholders. Upon our becoming a
public company, a special meeting of shareholders may be called only by the
president or a majority of the board of directors.

  Requirements for advance notification of shareholder nominations and proposals

Our amended bylaws establish advance notice procedures with respect to
shareholder proposals and the nomination of candidates for election as
directors, other than nominations made by or at the direction of the board of
directors or a committee thereof.

                                       65
<PAGE>   73

                        SHARES ELIGIBLE FOR FUTURE SALE

Immediately prior to this offering, there was no public market for our common
stock. Future sales of substantial amounts of common stock in the public market
could adversely affect the market price of the common stock.


Upon completion of this offering, we will have 20,084,276 shares of common stock
outstanding, assuming the issuance of 4,450,000 shares of common stock offered
hereby, conversion of all shares of preferred stock and no exercise of options
or warrants after June 21, 1999. Of these shares, the 4,500,000 shares sold in
this offering will be freely tradable without restriction or further
registration under the Securities Act; provided, however, that if shares are
purchased by "affiliates," as that term is defined in Rule 144 under the
Securities Act, their sales of shares would be subject to limitations and
restrictions that are described below.



The remaining 15,584,276 shares of common stock held by existing shareholders as
of June 21, 1999 were issued and sold by us in reliance on exemptions from the
registration requirements of the Securities Act. Of these shares,
               shares will be subject to lock-up agreements described below on
the effective date of the offering. Upon expiration of the lock-up agreements
180 days after the effective date of this prospectus,                shares will
become eligible for sale, subject in most cases to the limitations of Rule 144.
In addition, holders of stock options and warrants could exercise their options
and warrants and sell the shares issued upon exercise as described below.


<TABLE>
<CAPTION>
          DAYS AFTER DATE OF             SHARES ELIGIBLE
            THIS PROSPECTUS                 FOR SALE                       COMMENT
          ------------------             ---------------   ---------------------------------------
<S>                                      <C>               <C>
Upon effectiveness.....................                    Shares sold in the offering
90 days................................                    Shares saleable under Rule 144 that are
                                                           not subject to the lock-up
180 days...............................                    Lock-up released: shares saleable under
                                                           Rules 144 and 701
</TABLE>


As of June 21, 1999, there were a total of 558,000 shares of common stock that
could be issued upon exercise of outstanding warrants. All of these shares are
subject to lock-up agreements. As of June 21, 1999, there were a total of
2,808,499 shares of common stock subject to outstanding options under our stock
plans, 732,232 shares of which were vested. Some of these shares are also
subject to lock-up agreements. Promptly upon the completion of this offering, we
intend to file registration statements on Form S-8 under the Securities Act to
register all of the shares of common stock issued or reserved for future
issuance under our stock plans. After the effective dates of the registration
statements on Form S-8, shares purchased upon exercise of options granted under
our 1997 Stock Option Plan and 1999 Stock Option Plan and 1999 Nonemployee
Director Stock Option Plan generally would be available for resale in the public
market.



Our officers, directors and the majority of our shareholders have agreed not to
sell or otherwise dispose of any of their shares for a period of 180 days after
the date of this prospectus. CIBC World Markets Corp., however, may in its sole
discretion, at any time and in most cases without notice, release all or any
portion of the shares subject to lock-up agreements.


RULE 144

In general, under Rule 144 as currently in effect, beginning 90 days after the
date of this prospectus, a person who has beneficially owned shares of our
common stock for at least one year would be entitled to sell, within any three
month period, a number of shares that does not exceed the greater of:


 - 1% of the number of shares of common stock then outstanding, which will equal
   approximately 200,843 shares immediately after the effective date of this
   offering or


                                       66
<PAGE>   74


 - the average weekly trading volume of the common stock on the Nasdaq National
   Market during the four calendar weeks preceding the filing of a notice on
   Form 144 with respect to this sale.


Sales under Rule 144 are also subject to other requirements regarding the manner
of sale, notice filing and the availability of current public information about
us.

RULE 701


In general, under Rule 701, any of our employees, directors, officers,
consultants or advisors who purchase shares from us in connection with a
compensatory stock or option plan or other written agreement before the
effective date of the offering are entitled to resell these shares 90 days after
the effective date of this prospectus in reliance on Rule 144, without having to
comply with certain restrictions, including the holding period, contained in
Rule 144.



The Securities and Exchange Commission has indicated that Rule 701 will apply to
typical stock options granted by an issuer before it becomes subject to the
reporting requirements of the Exchange Act, along with the shares acquired upon
exercise of these options, including exercises after the date of the prospectus.
Securities issued in reliance on Rule 701 are restricted securities and, subject
to the contractual restrictions described above may be sold, beginning 90 days
after the date of this prospectus, by persons other than affiliates subject only
to the manner of sale provisions of Rule 144 and by affiliates under Rule 144
without compliance with its one year minimum holding period requirement.



In addition, following this offering, the holders of 10,800,688 shares of common
stock and of warrants exercisable for 465,000 shares of common stock will, under
circumstances defined in a Registration Rights Agreement dated effective as of
December 31, 1998, have rights to require us to register their shares for future
sale.


LOCK-UP AGREEMENTS


All executive officers and directors and the majority of the holders of common
stock or securities convertible into common stock and options and warrants to
purchase common stock have signed lock-up agreements stating that they will not
offer, sell, contract to sell, pledge, grant any option to sell, or otherwise
dispose of, directly or indirectly, any shares of common stock, securities
convertible or exchangeable for common stock, warrants or other rights to
purchase common stock for a period of 180 days after the date of this
prospectus, without the prior written consent of CIBC World Markets Corp.


                                       67
<PAGE>   75

                                  UNDERWRITING

N2H2, Inc. and the selling shareholders have entered into an underwriting
agreement with the underwriters named below. CIBC World Markets Corp. and U.S.
Bancorp Piper Jaffray Inc. are acting as representatives of the underwriters.


The underwriting agreement provides for the purchase of a specific number of
shares of common stock by each of the underwriters. The underwriters'
obligations are several, which means that each underwriter is required to
purchase a specified number of shares, but is not responsible for the commitment
of any other underwriter to purchase shares. Subject to the terms and conditions
of the underwriting agreement, each underwriter has severally agreed to purchase
from N2H2 and the selling shareholders the following numbers of shares of common
stock:



<TABLE>
<CAPTION>
                        UNDERWRITER                           NUMBER OF SHARES
                        -----------                           ----------------
<S>                                                           <C>
CIBC World Markets Corp.....................................
U.S. Bancorp Piper Jaffray Inc. ............................

                                                              ----------------
Total.......................................................         4,500,000
                                                              ================
</TABLE>


This is a firm commitment underwriting. This means that the underwriters have
agreed to purchase all of the shares offered by this prospectus, if any are
purchased, other than those covered by the over-allotment option described
below.


The representatives have advised us and the selling shareholders that the
underwriters propose to offer the shares directly to the public at the public
offering price that appears on the cover page of this prospectus. In addition,
the representatives may offer some of the shares to some securities dealers at
this price less a concession of $     per share. The underwriters may also
allow, and these dealers may reallow, a concession not in excess of $     per
share to other dealers. After the shares are released for sale to the public,
the representatives may change the offering price and other selling terms at
various times.


We have granted the underwriters an over-allotment option. This option, which is
exercisable for up to 30 days after the date of this prospectus, permits the
underwriters to purchase a maximum of                additional shares from us
to cover over-allotments. If the underwriters exercise all or part of this
option, they will purchase shares covered by the option at the initial public
offering price that appears on the cover page of this prospectus, less the
underwriting discount. If this option is exercised in full, the total price to
public will be $          and the total proceeds to us will be $          and
the total proceeds to the selling shareholders will be $          . The
underwriters have severally agreed that, to the extent the over-allotment option
is exercised, they will each purchase a number of additional shares
proportionate to the underwriter's initial amount reflected in the table above.

The following table provides information regarding the amount of the discount to
be paid to the underwriters by N2H2 and the selling shareholders.

<TABLE>
<CAPTION>
                                                                                          TOTAL WITH FULL
                                                                                            EXERCISE OF
                                                             TOTAL WITHOUT EXERCISE OF    OVER-ALLOTMENT
                                                PER SHARE      OVER-ALLOTMENT OPTION          OPTION
                                                ---------    -------------------------    ---------------
<S>                                             <C>          <C>                          <C>
N2H2, Inc.....................................  $                    $                       $
Selling shareholders..........................  $                    $                       $
     Total....................................  $                    $                       $
</TABLE>

                                       68
<PAGE>   76


Together with the selling shareholders, we have agreed to indemnify the
underwriters against specified liabilities, including liabilities under the
Securities Act.



N2H2, its officers and directors and the majority of its shareholders have
agreed to a 180 day "lock up" with respect to                shares of common
stock and other N2H2 securities that they beneficially own, including options to
purchase shares of common stock. This means that, for a period of 180 days
following the date of this prospectus, N2H2 and other such persons may not
offer, sell, pledge or otherwise dispose of our securities without the prior
written consent of CIBC World Markets Corp.


The representatives have informed us that they do not expect discretionary sales
by the underwriters to exceed five percent of the shares offered by this
prospectus.

There is no established trading market for shares of our common stock. The
offering price for the shares of our common stock has been determined by us and
the underwriters, based on the following factors:

 - negotiations among us and the underwriters,

 - prevailing market and economic conditions,


 - our financial information,


 - our history and the prospects,

 - N2H2 and the industry in which we compete,

 - an assessment of our management, its past and present operations, the
   prospects for and timing of, our future revenues and

 - the present stage of our development and the above factors in relation to the
   market values and various valuation measures of other companies engaged in
   activities similar to ours.


The initial public offering price appearing on the cover page of this prospectus
should not, however, be considered an indication of the actual value of our
common stock. Such price is subject to change as a result of market conditions
and other factors. There can be no assurance that an active trading market will
develop for our common stock or that our common stock will trade in the public
market subsequent to this offering at or above its initial offering price.


The underwriters may engage in the following activities in accordance with the
rules of the Securities and Exchange Commission:

 - Stabilizing transactions: the underwriters may make bids or purchases for the
   purpose of pegging, fixing or maintaining the price of the shares, so long as
   stabilizing bids do not exceed a specified maximum.


 - Over-allotments and syndicate covering transactions: the underwriters may
   create a short position in the shares by selling more shares than appear on
   the cover page of this prospectus. If a short position is created in
   connection with this offering, the underwriters may engage in syndicate
   covering transactions by purchasing shares in the open market. The
   underwriters may also elect to reduce any short position by exercising all or
   part of the over-allotment option.


 - Penalty bids: If the underwriters purchase shares in the open market in a
   stabilizing transaction or syndicate covering transaction, they may reclaim a
   selling concession from members of the underwriters syndicate who sold shares
   as part of this offering.

Stabilization and syndicate covering transactions may cause the price of the
shares to be higher than it would be in the absence of such transactions. The
imposition of a penalty bid might also have an effect on the price of the shares
if it discourages resales of the shares. Neither we nor the underwriters make
any representation or prediction as to the effect that the transactions
described above may have on the price of

                                       69
<PAGE>   77

the shares. These transactions may occur on the Nasdaq National Market or
otherwise. If such transactions are commenced, they may be discontinued without
notice at any time.

                                 LEGAL MATTERS


The validity of the common stock offered hereby will be passed upon for us by
Lane Powell Spears Lubersky LLP, Seattle, Washington. Members of that firm
beneficially owned 50,887 shares of our common stock as of June 21, 1999.
Certain legal matters will be passed upon for the underwriters by Cooley Godward
LLP, Kirkland, Washington.


                                    EXPERTS

The financial statements of N2H2 as of September 30, 1997 and 1998 and for each
of the three years in the period ended September 30, 1998, included in this
prospectus have been so included in reliance on the report of
PricewaterhouseCoopers LLP, independent accountants, given on the authority of
said firm as experts in auditing and accounting.

                      WHERE YOU CAN FIND MORE INFORMATION


We have filed with the Commission a registration statement on Form S-1. This
prospectus, which is part of the registration statement, does not contain all
the information included in the registration statement or its exhibits and
schedules. You should refer to the registration statement and its exhibits and
schedules. References made in this prospectus to any contract or other document
of ours are not necessarily complete and you should refer to the exhibits
attached to the registration statement for copies of the actual contract or
document. You may read and copy any document we file with the Commission at its
public reference rooms located at:



  - Room 1024, Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549,



  - Seven World Trade Center, Suite 1300, New York, New York 10048 or



  - Citicorp Center, 500 West Madison Street, Suite 1400, Chicago, Illinois
    60661.



The Commission maintains a Website at http://www.sec.gov that contains reports,
proxy and information statements and other information regarding registrants,
such as us, that file electronically with the Commission.



In addition, this prospectus includes market data relating to us and the school,
home and corporate internet markets. Some of this data was obtained from
industry publications and reports, such as reports by International Data
Corporation and The Annenberg Public Policy Center. These reports assume certain
events, trends and activities will occur and they project information on those
assumptions. We have not independently verified this data. Also, we have not
sought the consent of these organizations to refer to their reports in this
prospectus.


                                       70
<PAGE>   78

                                   N2H2, INC.

                         INDEX TO FINANCIAL STATEMENTS

<TABLE>
<CAPTION>
                                                              PAGE
                                                              ----
<S>                                                           <C>
Report of Independent Accountants...........................  F-2
Balance Sheets as of September 30, 1997 and 1998; March 31,
  1999 (Unaudited)..........................................  F-3
Statements of Operations for the Fiscal Years Ended
  September 30, 1996, 1997 and 1998
  and the Six Months Ended March 31, 1998 and 1999
  (Unaudited)...............................................  F-4
Statements of Changes in Shareholders' Deficit for the
  Fiscal Years Ended September 30, 1996, 1997 and 1998 and
  the Six Months Ended March 31, 1999 (Unaudited)...........  F-5
Statements of Cash Flows for the Fiscal Years Ended
  September 30, 1996, 1997 and
  1998 and the Six Months Ended March 31, 1998 and 1999
  (Unaudited)...............................................  F-6
Notes to Financial Statements...............................  F-7
</TABLE>

                                       F-1
<PAGE>   79

                       REPORT OF INDEPENDENT ACCOUNTANTS

To the Board of Directors
and Shareholders of
N2H2, Inc.

In our opinion, the financial statements listed in the accompanying index on
page F-1 present fairly, in all material respects, the financial position of
N2H2, Inc. at September 30, 1997 and 1998, and the results of its operations and
its cash flows for each of the three years in the period ended September 30,
1998, in conformity with generally accepted accounting principles. These
financial statements are the responsibility of the Company's management; our
responsibility is to express an opinion on these financial statements based on
our audits. We conducted our audits of these statements in accordance with
generally accepted auditing standards which require that we plan and perform the
audit to obtain reasonable assurance about whether the financial statements are
free of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial statements,
assessing the accounting principles used and significant estimates made by
management, and evaluating the overall financial statement presentation. We
believe that our audits provide a reasonable basis for the opinion expressed
above.

PricewaterhouseCoopers LLP
Seattle, Washington
March 17, 1999, except as to the third

through sixth paragraphs of Note 12,


which are as of May 11, 1999 and


the seventh paragraph of Note 12


which is as of May 14, 1999


                                       F-2
<PAGE>   80

                                   N2H2, INC.

                                 BALANCE SHEETS

                                     ASSETS


<TABLE>
<CAPTION>
                                                                SEPTEMBER 30,       MARCH 31,
                                                              -----------------       1999
                                                               1997       1998     (UNAUDITED)
                                                              -------    ------    -----------
                                                                (IN THOUSANDS, EXCEPT SHARE
                                                                          AMOUNTS)
<S>                                                           <C>        <C>       <C>
Current assets
  Cash......................................................  $    71    $  121      $1,384
  Accounts receivable (net of $0, $8 and $38 allowance in
     1997, 1998 and 1999, respectively).....................      259       321         735
  Prepaid expenses and other assets.........................                 37           3
                                                              -------    ------      ------
          Total current assets..............................      330       479       2,122
Property and equipment, net.................................      453     1,271       2,045
Other assets................................................        1        98         118
                                                              -------    ------      ------
          Total assets......................................  $   784    $1,848      $4,285
                                                              =======    ======      ======

LIABILITIES AND SHAREHOLDERS' DEFICIT
Current liabilities
  Accounts payable..........................................  $    79    $  451      $  652
  Royalties payable.........................................                150         125
  Accrued liabilities.......................................       97       406         566
  Deferred revenue..........................................      404     1,237       1,155
  Current portion of long-term debt and notes payable.......      509        30       1,946
  Current portion of capital lease obligations..............       70       384         674
                                                              -------    ------      ------
          Total current liabilities.........................    1,159     2,658       5,118
Deferred revenue............................................                 97         173
Capital lease obligations...................................      132       524         688
Long-term debt and notes payable............................      694     1,418          87
                                                              -------    ------      ------
          Total liabilities.................................    1,985     4,697       6,066
                                                              -------    ------      ------
Commitments and contingencies (Notes 9 and 11)
Shareholders' deficit
  Preferred stock, no par value; 10,000,000 shares
     authorized, no shares issued and outstanding
  Common stock, no par value; 20,000,000 shares authorized;
     8,686,411, 9,060,473 and 12,656,933 issued and
     outstanding in 1997, 1998 and 1999.....................      546       783       4,006
  Deferred stock option compensation expense................                           (376)
  Accumulated deficit.......................................   (1,747)   (3,632)     (5,411)
                                                              -------    ------      ------
          Total shareholders' deficit.......................   (1,201)   (2,849)     (1,781)
                                                              -------    ------      ------
          Total liabilities and shareholders' deficit.......  $   784    $1,848      $4,285
                                                              =======    ======      ======
</TABLE>


   The accompanying notes are an integral part of these financial statements.
                                       F-3
<PAGE>   81

                                   N2H2, INC.

                            STATEMENTS OF OPERATIONS


<TABLE>
<CAPTION>
                                                                             SIX MONTHS ENDED
                                        YEARS ENDED SEPTEMBER 30,                MARCH 31,
                                   ------------------------------------   -----------------------
                                      1996         1997         1998         1998         1999
                                   ----------   ----------   ----------   ----------   ----------
                                                                                (UNAUDITED)
                                         (IN THOUSANDS, EXCEPT SHARE AND PER SHARE AMOUNTS)
<S>                                <C>          <C>          <C>          <C>          <C>
Revenues.........................  $      108   $    1,118   $    3,078   $    1,298   $    2,605
                                   ----------   ----------   ----------   ----------   ----------
Cost of revenues.................          78          302        1,153          453        1,254
                                   ----------   ----------   ----------   ----------   ----------
Gross profit.....................          30          816        1,925          845        1,351
                                   ----------   ----------   ----------   ----------   ----------
Operating expenses:
  Sales and marketing............         263          605        1,752          679        1,535
  Research and development.......          91          371          614          252          394
  General and administrative.....         493          602        1,157          483          954
                                   ----------   ----------   ----------   ----------   ----------
     Total operating expenses....         847        1,578        3,523        1,414        2,883
                                   ----------   ----------   ----------   ----------   ----------
Operating loss...................        (817)        (762)      (1,598)        (569)      (1,532)
Interest income (expense), net...         (10)        (119)        (287)        (110)        (247)
                                   ----------   ----------   ----------   ----------   ----------
Net loss.........................  $     (827)  $     (881)  $   (1,885)  $     (679)  $   (1,779)
                                   ==========   ==========   ==========   ==========   ==========
Basic and diluted net loss per
  common share...................  $     (.11)  $     (.10)  $     (.22)  $     (.08)  $     (.17)
                                   ==========   ==========   ==========   ==========   ==========
Basic and diluted weighted
  average shares outstanding.....   7,316,858    8,389,878    8,687,435    8,686,411   10,758,005
                                   ==========   ==========   ==========   ==========   ==========
</TABLE>


   The accompanying notes are an integral part of these financial statements.
                                       F-4
<PAGE>   82

                                   N2H2, INC.

                 STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT


<TABLE>
<CAPTION>
                                                                  DEFERRED
                                             COMMON STOCK       STOCK OPTION
                                          -------------------   COMPENSATION   ACCUMULATED
                                            SHARES     AMOUNT     EXPENSE        DEFICIT      TOTAL
                                          ----------   ------   ------------   -----------   -------
                                                     (IN THOUSANDS, EXCEPT SHARE AMOUNTS)
<S>                                       <C>          <C>      <C>            <C>           <C>
Balance at September 30, 1995...........   7,000,000   $   32      $  --         $   (39)    $    (7)
Issuance of common stock................   1,389,063      275                                    275
Issuance of warrants....................                   41                                     41
Compensation expense recognized on
  issuance of common stock..............                  166                                    166
Net loss................................                                            (827)       (827)
                                          ----------   ------      -----         -------     -------
Balance at September 30, 1996...........   8,389,063      514         --            (866)       (352)
Issuance of common stock................     297,348                                              --
Issuance of warrants....................                   32                                     32
Net loss................................                                            (881)       (881)
                                          ----------   ------      -----         -------     -------
Balance at September 30, 1997...........   8,688,411      546         --          (1,747)     (1,201)
Exercise of stock options...............     374,062       75                                     75
Compensation expense recognized on
  issuance of stock options and
  warrants..............................                  162                                    162
Net loss................................                                          (1,885)     (1,885)
                                          ----------   ------      -----         -------     -------
Balance at September 30, 1998...........   9,060,473      783         --          (3,632)     (2,849)
Issuance of common stock, net of
  issuance costs of $243 (unaudited)....   1,738,053    1,957                                  1,957
Issuance of warrants (unaudited)........                   77                                     77
Conversion of notes payable into common
  stock (unaudited).....................   1,736,175      724                                    724
Exercise of stock options (unaudited)...     122,232       19                                     19
Deferred compensation expense relating
  to issuance of stock options
  (unaudited)...........................                  446       (446)                         --
Amortization of deferred stock option
  compensation expense (unaudited)......                              70                          70
Net loss (unaudited)....................                                          (1,779)     (1,779)
                                          ----------   ------      -----         -------     -------
Balance at March 31, 1999 (unaudited)...  12,656,933   $4,006      $(376)        $(5,411)    $(1,781)
                                          ==========   ======      =====         =======     =======
</TABLE>


   The accompanying notes are an integral part of these financial statements.
                                       F-5
<PAGE>   83

                                   N2H2, INC.

                            STATEMENTS OF CASH FLOWS


<TABLE>
<CAPTION>
                                                                             SIX MONTHS ENDED
                                                YEARS ENDED SEPTEMBER 30,       MARCH 31,
                                                -------------------------    ----------------
                                                1996     1997      1998      1998      1999
                                                -----    -----    -------    -----    -------
                                                               (IN THOUSANDS)  (UNAUDITED)
<S>                                             <C>      <C>      <C>        <C>      <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss......................................  $(827)   $(881)   $(1,885)   $(679)   $(1,779)
  Adjustments to reconcile net loss to net
     cash (used by) provided by operating
     activities
     Depreciation and amortization............     43      147        346      110        352
     Amortization of deferred stock
       compensation expense...................                                             70
     Compensation expense on stock and stock
       options................................    166                 162
     Notes payable issued for services........    208       65         98       79
     Change in certain assets and liabilities
       Accounts receivable....................    (79)    (152)       (62)     123       (414)
       Prepaid expenses and other assets......     (1)               (134)     (37)        14
       Accounts payable.......................     51       29        372       59        201
       Royalties payable......................                        150                 (25)
       Accrued liabilities....................     31       66        309      187        160
       Deferred revenue.......................    104      299        930      152         (6)
                                                -----    -----    -------    -----    -------
          Net cash (used by) provided by
            operating activities..............   (304)    (427)       286       (6)    (1,427)
                                                -----    -----    -------    -----    -------
CASH FLOWS FROM INVESTING ACTIVITIES
  Additions to property and equipment.........   (121)    (230)      (383)    (101)      (416)
                                                -----    -----    -------    -----    -------
CASH FLOWS FROM FINANCING ACTIVITIES
  Issuance of common stock....................    275                                   1,957
  Exercise of stock options...................                                             19
  Payments under capital lease obligations....    (15)     (31)       (51)     (26)      (201)
  Borrowings under notes payable..............    285      631        210      153      2,000
  Repayments of notes payable.................                        (12)      (4)      (669)
                                                -----    -----    -------    -----    -------
          Net cash provided by financing
            activities........................    545      600        147      123      3,106
                                                -----    -----    -------    -----    -------
Net increase (decrease) in cash...............    120      (57)        50       16      1,263
Cash, beginning of period.....................      8      128         71       71        121
                                                -----    -----    -------    -----    -------
Cash, end of period...........................  $ 128    $  71    $   121    $  87    $ 1,384
                                                =====    =====    =======    =====    =======
</TABLE>


   The accompanying notes are an integral part of these financial statements.
                                       F-6
<PAGE>   84

                                   N2H2, INC.

                         NOTES TO FINANCIAL STATEMENTS
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)

1. DESCRIPTION OF BUSINESS

N2H2, Inc. (the Company) was incorporated on June 13, 1995 as an S Corporation
in the State of Washington. The Company develops and provides internet filtering
services which screen for undesired content as specified by the end user. The
Company contracts its technology primarily to internet service providers, school
districts, libraries and local and state government agencies.

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

REVENUE RECOGNITION

Subscription and installation revenues are recognized when earned. Subscription
revenues are recognized over the life of the subscription contract and
installation revenues are recognized when the server is shipped to an end user
or a reseller, which approximates the installation date, and when the criteria
for revenue recognition under Statement of Position No. 97-2, Software Revenue
Recognition, are satisfied. The criteria include, but are not limited to, the
existence of vendor-specific objective evidence, delivery of the service to a
customer, the Company's lack of significant obligations to the customer and a
determination that collectibility of the amount due is probable. Subscription
payments received in advance of revenue recognition are recorded as deferred
revenue. Advertising revenues are recorded on a per impression basis, net of
commissions, over the term of the advertising contract.

TRANSFER OF FINANCIAL INSTRUMENTS

The Company factors certain customer receivables with full recourse to a bank.
The transfer of accounts receivable is recorded by the Company as a sales
transaction under the provisions of Statement of Financial Accounting Standards
(SFAS) No. 125, Accounting for Transfers and Servicing of Financial Assets and
Extinguishments of Liabilities. The receivables are sold at a discount which is
recorded upon sale, and monthly finance charges are incurred based upon average
monthly balances outstanding with the factor. These monthly fees are recorded in
the period incurred. Customer accounts repurchased from the factor are included
in accounts receivable. In fiscal 1999, the Company terminated its factoring
agreement with the bank.

CONCENTRATION OF CREDIT RISK

Financial instruments that potentially subject the Company to concentration of
credit risk include primarily cash and cash equivalents and accounts receivable.
The Company places its cash deposits and certain short-term investments in bank
deposits and money market funds with high credit quality financial institutions.
Domestic accounts receivable consists of account balances due from customers
evenly dispersed across the United States with industry concentrations in public
institutions such as federal and local governments and school districts.
International accounts receivable represent 0% and 3% of total accounts
receivable at September 30, 1997 and 1998, respectively, and are denominated
primarily in United States dollars. The Company performs ongoing credit
evaluations of its customer's financial condition and generally requires no
collateral from its customers.

No customer accounted for 10% or more of the Company's revenues in any year.

                                       F-7
<PAGE>   85
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)

FAIR VALUE DISCLOSURES

Recorded amounts of cash and cash equivalents, receivables, prepaid expenses and
other current assets, capital lease obligations, accounts payable and other
amounts included in current liabilities meeting the definition of financial
instruments approximate fair value. The carrying value of long term debt is
based on interest rates currently available to the Company.

CASH AND CASH EQUIVALENTS

Cash and cash equivalents represent funds on deposit with banks or invested in a
variety of highly liquid short-term instruments with original maturities of less
than three months.

PROPERTY AND EQUIPMENT

Property and equipment is recorded at cost for purchased assets. Depreciation
and amortization are recognized using the straight-line method over the
estimated useful lives of such assets. The useful lives are estimated at three
years. Leasehold improvements are amortized over the lesser of the lease term or
estimated useful life.

The cost of normal maintenance and repairs are charged to expense as incurred
and expenditures for major improvements 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.

IMPAIRMENT OF LONG-LIVED ASSETS

The Company evaluates its long-lived assets for financial impairment and
continues to evaluate them as events or changes in circumstances indicate that
the carrying amount of such assets may not be fully recoverable. The Company
evaluates the recoverability of long-lived assets by measuring the carrying
amount of the assets against the estimated undiscounted future cash flows
associated with these assets. At the time such evaluations indicate that the
future undiscounted cash flows of certain long-lived assets are not sufficient
to recover the carrying value of such assets, the assets are adjusted to their
fair values.

ROYALTIES PAYABLE

Royalties payable represent amounts payable to an independent provider of
internet search content under a service agreement. Amortization is based on the
greater of amounts determined by the contractual royalty rates or amounts
computed on a straight-line basis over the terms of the agreement.

RESEARCH AND DEVELOPMENT COSTS

Research and development expenses consist principally of payroll and related
expenses for design and development of the Company's technologies. Research and
development costs related to these activities are expensed until technological
feasibility has been achieved. There were no capitalized software development
costs as of September 30, 1997 and 1998.

                                       F-8
<PAGE>   86
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)

FEDERAL INCOME TAXES

The shareholders of the Company have elected, under Subchapter S of the Internal
Revenue Code, to be taxed on the earnings of the Company on the shareholders'
personal income tax returns. Therefore, no provision for income taxes has been
provided for by the Company.

ADVERTISING EXPENSES

All costs related to marketing and advertising the Company's products are
expensed in the periods incurred. Advertising expenses were $37,000, $80,000,
and $120,000 for 1996, 1997 and 1998.

USE OF ESTIMATES

The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts of assets and liabilities and disclosure of
contingent assets and liabilities at the date of the financial statements and
the reported amounts of revenues and expenses during the reporting period.
Actual results could differ from those estimates.

STOCK OPTION PLAN AND STOCK PURCHASE WARRANTS

The Company has adopted Statement of Financial Accounting Standards (SFAS) No.
123, Accounting for Stock-Based Compensation, which permits entities to
recognize as expense over the vesting period the fair value of all stock-based
awards on the date of grant. Alternatively, SFAS No. 123 also allows entities to
continue to apply the provisions of APB Opinion No. 25 for transactions with
employees and provide pro forma disclosures for employee stock option grants as
if the fair value-based method defined in SFAS No. 123 had been applied to these
transactions. The Company has elected to continue to apply the provisions of APB
Opinion No. 25 to these transactions and provide the pro forma disclosure
provisions of SFAS No. 123. Stock purchase warrants granted to non-employees are
recorded at fair value in accordance with SFAS No. 123.

NET LOSS PER SHARE

Statement of Financial Accounting Standards No. 128, "Earnings Per Share" (SFAS)
No. 128, issued February 1997, requires presentation of earnings per share on a
basic and diluted earnings per share basis. Earnings per share for all periods
presented have been stated to reflect the adoption of SFAS No. 128.

Under the provisions of SFAS No. 128, basic earnings per share is calculated as
income available to common shareholders divided by the weighted-average number
of common shares outstanding during the periods. Diluted earnings per share is
based on the weighted-average number of shares of common stock and common stock
equivalents outstanding during the periods, including options and warrants
computed using the treasury stock method.

COMPREHENSIVE INCOME

There are no differences between comprehensive income and net income as reported
in the Company's statements of operations.

                                       F-9
<PAGE>   87
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)

UNAUDITED INTERIM FINANCIAL STATEMENTS

In the opinion of the Company's management, the March 31, 1998 and 1999
unaudited interim financial statements include all adjustments, consisting of
normal recurring adjustments, necessary for a fair presentation of the financial
statements. All references hereinafter to March 31, 1998 and 1999 amounts are
based on unaudited information.

RECENTLY ISSUED ACCOUNTING STANDARDS

In June 1997, the FASB issued Statement of Financial Accounting Standards No.
131, Disclosures About Segments of an Enterprise and Related Information. This
statement supersedes Statement of Financial Accounting Standards No. 14,
Financial Reporting for Segments of a Business Enterprise. This statement
includes requirements to report selected segment information quarterly and
entity-wide disclosures about products and services, major customers, and the
material countries in which the entity holds assets and reports revenues. The
statement will be effective for fiscal years beginning after December 15, 1997.
Reclassification for earlier periods is required, unless impracticable, for
comparative purposes. The Company is currently evaluating the impact this
statement will have on its financial statements; however, because the statement
requires only additional disclosure, the Company does not expect the statement
to have a material impact on its reported financial position or results of
operations.

In March 1998, the Accounting Standards Executive Committee of the American
Institute of Certified Public Accountants issued SOP 98-1, Accounting for the
Costs of Computer Software Developed or Obtained for Internal Use. SOP 98-1
provides guidance for an enterprise on accounting for the costs of computer
software developed or obtained for internal use. SOP 98-1 is effective for the
Company in fiscal 1999. The Company anticipates that accounting for transactions
under SOP 98-1 will not have a material impact on the Company's financial
position or results of operations.

3. PROPERTY AND EQUIPMENT

Property and equipment consists of the following:

<TABLE>
<CAPTION>
                                                      SEPTEMBER 30,
                                                  ----------------------     MARCH 31,
                                                    1997         1998          1999
                                                  --------    ----------    -----------
                                                                            (UNAUDITED)
<S>                                               <C>         <C>           <C>
Computer equipment..............................  $606,000    $1,637,000    $2,402,000
Furniture and fixtures..........................    14,000        42,000       163,000
Leasehold improvements..........................                  61,000        61,000
Software........................................                               185,000
                                                  --------    ----------    ----------
                                                   620,000     1,740,000     2,811,000
Less: Accumulated depreciation and
  amortization..................................  (167,000)     (469,000)     (766,000)
                                                  --------    ----------    ----------
                                                  $453,000    $1,271,000    $2,045,000
                                                  ========    ==========    ==========
</TABLE>

Depreciation expense was approximately $42,000, $125,000 and $322,000 for the
years ended September 30, 1996, 1997 and 1998. Depreciation expense was
approximately $98,000 and $297,000 for the six months ended March 31, 1998 and
1999 (unaudited).

                                      F-10
<PAGE>   88
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)

4. RELATED PARTY TRANSACTIONS

NOTE RECEIVABLE FROM RELATED PARTIES

In September 1998, the Company converted trade accounts receivable of $30,000
from a related party into a note receivable bearing interest at 10.5% per annum.
The note matures in October 1999; however, in the event the note is prepaid
prior to December 31, 1998, the amount due will be equal to 90% of the initial
balance.

5. LONG-TERM DEBT AND NOTES PAYABLE


In 1996, the Company entered into a loan and stock purchase warrant agreement
with a shareholder providing for maximum borrowings of $500,000. The authorized
principal bears interest at 12% per annum payable on October 31, 1999. In
connection with this loan, the Company issued an option to purchase increments
of 2.2% of the Company's authorized common stock for each $100,000 of debt
outstanding. The options, in the aggregate, represent 11% of the Company's
common stock outstanding and are exercisable immediately. The agreement also
includes anti-dilution provisions which provide the shareholder a 25% ownership
interest in the Company. The warrants and the debt were recorded at their fair
market values of $73,000 and $427,000, respectively. The original issue discount
is amortized annually through the maturity date of the debt on a basis which
approximates the interest method. These warrants were equivalent to 727,332 and
1,283,330 and 1,283,330 shares of the Company's common stock at September 30,
1996, 1997 and 1998, respectively. Principal and accrued interest under this
obligation amounted to $594,000, net of original issue discount of $26,000 at
September 30, 1998.


In April 1997, the Company entered into a notes payable agreement with a
shareholder for $400,000 which bears compounded interest at 12% per annum and is
collateralized by the Company's common stock. Principal and accrued interest
under this obligation amounted to $472,000 as of September 30, 1998, and the
note is payable in full on October 31, 1999. The principal and interest on the
note was repaid in full with the proceeds from the Company's debt and equity
financing obtained subsequent to year-end.

The Company issued a promissory note payable to a third party in the amount of
$28,000 which bears interest at 8.5%. The note was issued for consulting
services and is due in monthly installments through October 31, 1999.


In January 1998, the Company issued $100,000 in notes to certain shareholders
which are repayable in either shares of common stock worth $100,000 or cash. The
notes were convertible into shares of common stock if the Company had obtained
additional equity capital of at least $2,000,000 by October 31, 1999. If the
additional equity capital is not obtained, the notes are due with interest of 2%
per month on or before December 31, 1999. Subsequent to year-end, the notes and
accrued interest were converted into 103,675 shares of common stock at $1.16 per
share.


The Company issued a non-interest bearing promissory note payable to a third
party in the amount of $69,000. The note was issued to obtain office space and
is due in monthly installments through October 31, 2000.

Notes payable to shareholder in the amount of $185,000 consists of salary unpaid
at September 30, 1998 due to the shareholder who is also a senior executive. The
note bears interest at 5% and is payable on October 31, 2000 or upon obtaining
an additional equity investment of $2,000,000 or more. The note was paid in full
with proceeds from the Company's debt and equity financing obtained subsequent
to year-end.

                                      F-11
<PAGE>   89
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)

Long term debt and notes payable consist of the following at September 30, 1998:


<TABLE>
<S>                                                           <C>
Promissory note to shareholder, due October 31, 1999........  $  620,000
Promissory note to related parties, due October 31, 1999....     472,000
Promissory note, due October 31, 1999.......................      28,000
Convertible note to shareholders, due December 31, 1999.....     100,000
Promissory note, due October 31, 2000.......................      69,000
Promissory note to shareholder, due October 31, 2000........     185,000
                                                              ----------
                                                               1,474,000
Less: Original issue discount...............................     (26,000)
Less: Current portion.......................................     (30,000)
                                                              ----------
                                                              $1,418,000
                                                              ==========
</TABLE>


Future maturities on long-term debt and notes payable to related parties and
third parties, excluding the original issue discount, are as follows:

<TABLE>
<CAPTION>
                              NOTES
                              DUE TO       RELATED      NOTES
YEARS ENDED SEPTEMBER 30,  SHAREHOLDERS    PARTIES     PAYABLE      TOTAL
- -------------------------  ------------    --------    -------    ----------
<S>                        <C>             <C>         <C>        <C>
1999...................                                $30,000    $   30,000
2000...................      $720,000      $472,000     64,000     1,256,000
2001...................       185,000                    3,000       188,000
                             --------      --------    -------    ----------
                             $905,000      $472,000    $97,000    $1,474,000
                             ========      ========    =======    ==========
</TABLE>

6. FACTORING AGREEMENT

Pursuant to a factoring agreement entered into in September 1997 and amended
July 14, 1998, the Company's bank acts as its factor for the majority of its
receivables, assigned on a pre-approved, full recourse basis, up to $1,000,000.
The Company sells its eligible receivables at a .3% discount to face value and
is charged 1.6% of uncollected assigned balances per month. Pursuant to the
agreement, the Company repurchases any assigned receivables outstanding 90 days
after the invoice date. Total interest paid on factored receivables was $2,000
and $86,000 during 1997 and 1998. In fiscal 1999, the Company terminated its
factoring agreement with the bank.

7. STOCK OPTION PLAN AND STOCK PURCHASE WARRANTS


Pursuant to a management services agreement dated December 29, 1997, the Company
issued a warrant to allow the purchase of 2.5% of the Company's outstanding
common stock and equivalents for $250,000 through December 31, 2004. As of the
grant date, this warrant was the equivalent of 222,728 shares. The warrant vests
monthly over the first year of the agreement, and is exercisable sooner in
connection with certain significant corporate events. The fair market value of
these warrants on the date of grant was $12,000, which is being amortized as
management service expense in the accompanying financial statements over the
vesting period of the warrants. On March 11, 1999, the Company redeemed the
outstanding warrant for 50,000 shares of its common stock.


                                      F-12
<PAGE>   90
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)


Non-employees were issued 729,833, 555,998 and 222,728 warrants during 1996,
1997 and 1998. The Company recorded compensation expense of $41,000, $32,000 and
$12,000, respectively, relating to these warrants.


Subsequent to year-end, the Company offered to settle a lawsuit with a former
employee terminated in fiscal 1998. In connection with the offer, the Company
extended the exercise period for stock options previously granted to the
employee. The Company recorded compensation expense of $150,000 related to this
transaction in the September 30, 1998 financial statements.


Effective September 30, 1997, the Company adopted the 1997 Stock Option Plan
(the 1997 Plan) for employees, directors, consultants or independent contractors
under which 2,187,500 shares of common stock are reserved for stock option
grants. Pursuant to the Plan, the Board of Directors may grant nonqualified and
incentive stock options. The vesting period, exercise price and expiration
period of options are established at the discretion of the Board of Directors,
except that the exercise price of incentive stock options must equal the fair
market value of the underlying common stock on the date of the grant.
Additionally, in no event shall the term of any incentive stock option exceed
ten years.


The following summarizes the activity under the Company's 1997 and 1999 Stock
Option Plans:


<TABLE>
<CAPTION>
                                                                                        WEIGHTED-
                                                                           WEIGHTED-     AVERAGE
                                                                            AVERAGE     FAIR VALUE
                                               OPTIONS        OPTIONS      EXERCISE     OF OPTIONS
                                              AVAILABLE     OUTSTANDING      PRICE       GRANTED
                                              ----------    -----------    ---------    ----------
<S>                                           <C>           <C>            <C>          <C>
  Options available.........................   2,187,500
  Options granted at fair value.............  (1,827,438)    1,827,438       $ .19        $ .04
                                              ----------    ----------
Balances at September 30, 1997..............     360,062     1,827,438         .18          .04
  Options granted at fair value.............    (696,500)      696,500         .25          .05
  Options exercised.........................                  (374,062)        .20
  Options canceled..........................     465,938      (465,938)        .18
                                              ----------    ----------
Balance at September 30, 1998...............     129,500     1,683,938         .21          .04
  Options granted at less than fair value
     (unaudited)............................    (339,125)      339,125        1.06         1.94
  Options exercised (unaudited).............                  (122,233)        .18
  Options canceled (unaudited)..............      60,000       (60,000)        .18
                                              ----------    ----------
Balance at March 31, 1999 (unaudited).......    (149,625)    1,840,830       $ .37        $ .08
                                              ==========    ==========
</TABLE>


The following table summarizes information about stock options outstanding under
the 1997 Plan at September 30, 1998:


<TABLE>
<CAPTION>
                              WEIGHTED-
                               AVERAGE                  WEIGHTED-
  EXERCISE     OPTIONS        REMAINING      OPTIONS     AVERAGE
   PRICE     OUTSTANDING    CONTRACT LIFE    VESTED     FAIR VALUE
  --------   -----------    -------------    -------    ----------
  <S>        <C>            <C>              <C>        <C>
   $ .18      1,141,438          9.0         593,950      $ .04
   $ .27        542,500         10.0                      $ .05
              ---------                      -------
              1,683,938          9.3         593,950      $ .04
              =========                      =======
</TABLE>


                                      F-13
<PAGE>   91
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)

Option grants to date generally vest over a three-year period, and expire ten
years from the date of grant.


The per share weighted average fair value of stock options granted during 1997
and 1998 was $.04 and $.05, respectively, on the date of grant using the minimum
value pricing model with the following weighted average assumptions: expected
dividend yield of zero; risk-free interest rate of 5.9% and 4.8% for 1997 and
1998, respectively, and an expected life of five years.


The Company applies APB Opinion No. 25 in accounting for its Plan and,
accordingly, compensation cost has been recognized for its stock options in the
financial statements only to the extent that the exercise price of the option is
less than the fair value of the underlying stock on the date of the grant. Had
the Company determined compensation cost based on the fair value at the grant
date for its stock options under SFAS No. 123, the Company's net loss for the
years ended September 30, 1997 and 1998 would have been increased to the pro
forma amounts indicated below:


<TABLE>
<CAPTION>
                                                       1997          1998
                                                     ---------    -----------
<S>                                                  <C>          <C>
Net loss
  As reported......................................  $(881,000)   $(1,885,000)
  Pro forma........................................  $(881,000)   $(1,911,000)
Loss per share
  As reported......................................  $    (.10)   $      (.22)
  Pro forma........................................  $    (.10)   $      (.22)
</TABLE>


Pro forma net loss reflects the compensation expense related to options granted
in 1997 and 1998. The full impact of compensation cost for stock options under
SFAS No. 123 is not reflected in the pro forma net loss amount presented above
because compensation cost is amortized over the options' vesting period of three
years.

8. COMMON STOCK

As of September 30, 1998, the Company amended its Articles of Incorporation to
authorize the issuance of 10,000,000 shares of preferred stock and 20,000,000
shares of common stock at no par value. The terms of the preferred shares are to
be set by the Board of Directors.

On September 30, 1997 and September 30, 1998, the Board of Directors declared a
one hundred twenty five to one and a seven to one stock split, respectively, on
the Company's common stock effected in the form of a stock dividend to holders
of record on these dates. Common stock issued and stock option information in
these financial statements have been restated to reflect these splits.

9. LEASE COMMITMENTS

The Company's property held under capital leases, which is included in property
and equipment on the balance sheet at September 30, 1997 and 1998, consists
primarily of computer equipment in the gross amount of $64,000, $249,000 and
$1,006,000, respectively. Related accumulated amortization for those assets is
$17,000, $43,000 and $189,000 for the years then ended. The Company is also
committed under operating leases for its headquarter facilities. Rent expense
for the years ended September 30, 1996, 1997 and 1998 was $28,000, $46,000 and
$188,000, respectively.

                                      F-14
<PAGE>   92
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)

Minimum annual rental commitments on all leases at September 30, 1998 are as
follows:

<TABLE>
<CAPTION>
                                                       OPERATING     CAPITAL
             YEARS ENDING SEPTEMBER 30,                  LEASE        LEASES
             --------------------------                ---------    ----------
<S>                                                    <C>          <C>
       1999..........................................  $238,000     $  384,000
       2000..........................................   232,000        439,000
       2001..........................................    16,000        194,000
       2002..........................................                   48,000
       2003..........................................                   37,000
                                                       --------     ----------
Total minimum lease payments.........................  $486,000      1,102,000
                                                       ========
Less: Amount representing interest...................                 (194,000)
                                                                    ----------
Present value of capital lease obligation............                  908,000
Less: Current portion................................                 (384,000)
                                                                    ----------
Long-term obligations at September 30, 1998..........               $  524,000
                                                                    ==========
</TABLE>

10. NET LOSS PER SHARE

Statement of Financial Accounting Standards No.128, "Earnings Per Share" (SFAS)
No. 128, issued in February 1997, requires presentation of earnings per share on
a basic and diluted earnings per share basis. Earnings per share for prior
periods presented have been stated to reflect the adoption of SFAS No. 128. A
reconciliation of the basic and diluted earnings per share to the shares used is
as follows:


<TABLE>
<CAPTION>
                                             SEPTEMBER 30,                      MARCH 31,
                                 -------------------------------------   ------------------------
                                    1996         1997         1998          1998         1999
                                 ----------   ----------   -----------   ----------   -----------
                                                                               (UNAUDITED)
<S>                              <C>          <C>          <C>           <C>          <C>
Net loss.......................  $ (827,000)  $ (881,000)  $(1,885,000)  $ (679,000)  $(1,779,000)
Weighted-average shares
  outstanding-basic............   7,316,858    8,389,878     8,687,435    8,686,411    10,758,005
Weighted-effect of dilutive
  options and warrants.........
                                 ----------   ----------   -----------   ----------   -----------
Weighted-average shares
  outstanding-diluted..........   7,316,858    8,389,878     8,687,435    8,686,411    10,758,005
                                 ==========   ==========   ===========   ==========   ===========
Basic and diluted net loss per
  share........................  $     (.11)  $     (.10)  $      (.22)  $     (.08)  $      (.17)
                                 ----------   ----------   -----------   ----------   -----------
</TABLE>


The Company's outstanding options and warrants have not been considered in
calculating diluted earnings per share because their effect is anti-dilutive.

11. COMMITMENTS AND CONTINGENCIES

The Company is from time to time involved in various claims and legal
proceedings of a nature considered by Company management to be routine and
incidental to its business. In the opinion of Company management, after
consultation with outside legal counsel, the ultimate disposition of such
matters is not expected to have a material adverse effect on the Company's
financial position, results of operations or liquidity.

                                      F-15
<PAGE>   93
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)

12. SUBSEQUENT EVENTS


On December 31, 1998, the Company received proceeds from a financing arrangement
in the amount of $4,200,000 in exchange for the issuance of subordinated debt
and common stock. The Company issued $2,000,000 of 11.5% subordinated debentures
maturing on the earlier of October 15, 1999, a change in control of the Company,
or upon an initial public offering. In conjunction with the notes, the Company
issued warrants to purchase up to 465,000 shares of common stock at an exercise
price of $3.14 per share. The debt and the warrants have been recorded at their
fair market values of $1,923,000 and $77,000, respectively. The original issue
discount is amortized through the maturity date of the debt on a basis which
approximates the interest method. Additionally, the Company issued 1,687,113
shares of common stock at $1.16 per share, net of offering costs of $.14 per
share. The total proceeds will be used to fund current operations and research
and development projects, and extinguish debt.



As of September 30, 1998, the Company had a $500,000 long term note payable that
had attached the purchase of warrants for up to 11% of the Company's authorized
common stock outstanding with a shareholder. Effective December 31, 1998, the
Company converted the note principal and warrant into 1,632,500 shares of common
stock with an additional warrant to purchase up to 93,000 shares of the
Company's common stock at an exercise price of $.004 per share. The warrant is
subject to cancellation upon an initial public offering.



Effective April 2, 1999, the Company adopted the 1999 Stock Option Plan (the
1999 Plan) for employees, directors, consultants or independent contractors
under which 1,329,625 shares of common stock are reserved for stock option
grants. The new plan terms are comparable to those under the 1997 Plan. As of
March 31, 1999, the Company had granted 150,375 options under the 1999 Plan
pending shareholder approval of the plan on April 2, 1999.



On May 10, 1999 the Board of Directors of the Company approved an amendment to
its Articles of Incorporation to authorize the issuance of 50,000,000 shares of
preferred stock and 250,000,000 shares of common stock at no par value. The
terms of the preferred stock are to be set by the Board of Directors. The
shareholders subsequently approved this amendment on June 11, 1999.


As of May 11, 1999, the Company became a C corporation for income tax reporting
purposes. Previously, it was organized as an S Corporation and as such, the tax
effects were passed directly to the shareholders.


On May 11, 1999, the Company completed a private equity financing in which
2,705,648 shares of common stock were sold to investors at $3.70 per share for
an aggregate of $10,000,129. In connection with this financing, the Company
satisfied a promissory note plus accrued interest totaling $608,186 due to a
shareholder in exchange for 164,552 shares of common stock. A $200,000 fee owed
to a placement agency was also satisfied from the proceeds of the private equity
financing.



Effective May 14, 1999, the Board of Directors declared a five-for-two stock
split on the Company's common stock effected in the form of a stock dividend to
holders of record on this date. Common stock issued and stock option information
in these financial statements have been restated to reflect this split.


13. SUBSEQUENT EVENTS (UNAUDITED)

On April 2, 1999, the Company settled a lawsuit with an employee terminated in
fiscal 1998 for cash and stock with an aggregate value of $285,000. The Company
recorded compensation expense of $230,000

                                      F-16
<PAGE>   94
                                   N2H2, INC.

                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
         SEPTEMBER 30, 1996, 1997 AND 1998 AND MARCH 31, 1998 AND 1999
                                  (UNAUDITED)


relating to the 75,000 shares issued as a part of this settlement. This charge
is included in the Company's financial statements for the third quarter ended
June 30, 1999.


On May 7, 1999, the Company was released from the terms of a management services
agreement dated May 8, 1998 for a fee of $130,000. This fee is recorded in the
Company's financial statements for the third quarter ended June 30, 1999.

14. SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental disclosure of cash flow information is summarized below for the
years ended September 30, 1996, 1997 and 1998, and for the six months ended
March 31, 1998 and 1999:


<TABLE>
<CAPTION>
                                                                            SIX MONTHS ENDED
                                             YEARS ENDED SEPTEMBER 30,          MARCH 31,
                                           -----------------------------   -------------------
                                            1996       1997       1998       1998       1999
                                           -------   --------   --------   --------   --------
                                                                               (UNAUDITED)
<S>                                        <C>       <C>        <C>        <C>        <C>
Noncash investing and financing
  activities:
  Equipment obtained through capital
     lease...............................  $44,000   $185,000   $757,000   $315,000   $655,000
  Value ascribed to warrants issued with
     note payable........................   41,000     32,000                           77,000
  Conversion of notes payable to common
     stock...............................                                              724,000
  Notes payable surrendered for the
     exercise price of stock options.....                         75,000
  Cash paid for interest.................   10,000     36,000    178,000     57,000    315,000
</TABLE>


                                      F-17
<PAGE>   95

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

                                  [N2H2 LOGO]


                                4,500,000 SHARES

                                  COMMON STOCK

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

                                   PROSPECTUS

                          ---------------------------
                                            , 1999

                               CIBC WORLD MARKETS


                           U.S. BANCORP PIPER JAFFRAY


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


YOU MAY RELY ONLY ON THE INFORMATION CONTAINED IN THIS PROSPECTUS. WE HAVE NOT
AUTHORIZED ANYONE TO PROVIDE PROSPECTIVE INVESTORS WITH DIFFERENT OR ADDITIONAL
INFORMATION FROM THAT CONTAINED IN THIS PROSPECTUS. THIS PROSPECTUS IS NOT AN
OFFER TO SELL NOR IS IT SEEKING AN OFFER TO BUY THESE SECURITIES IN ANY
CIRCUMSTANCES WHERE THE OFFER OR SALE IS UNLAWFUL. THE INFORMATION CONTAINED IN
THIS PROSPECTUS IS CORRECT ONLY AS OF THE DATE OF THIS PROSPECTUS, REGARDLESS OF
THE TIME OF THE DELIVERY OF THIS PROSPECTUS OR ANY SALE OF THESE SECURITIES.



DEALER PROSPECTUS DELIVERY OBLIGATION: UNTIL                  , 1999 (25 DAYS
AFTER THE DATE OF THIS PROSPECTUS), ALL DEALERS THAT BUY, SELL OR TRADE THESE
SHARES OF COMMON STOCK, WHETHER OR NOT PARTICIPATING IN THIS OFFERING, MAY BE
REQUIRED TO DELIVER A PROSPECTUS. THIS IS IN ADDITION TO THE DEALERS' OBLIGATION
TO DELIVER A PROSPECTUS WHEN ACTING AS UNDERWRITERS AND WITH RESPECT TO THEIR
UNSOLD ALLOTMENTS OR SUBSCRIPTIONS.

<PAGE>   96

                                    PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 13. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

Other expenses in connection with the issuance and distribution of the
securities registered by this prospectus, which will be paid by us, will be
substantially as follows:


<TABLE>
<CAPTION>
                            ITEM                               AMOUNT
                            ----                              --------
<S>                                                           <C>
Commission Registration Fee.................................  $ 13,900
Nasdaq National Market Fee..................................    25,000
NASD Filing Fee.............................................     5,500
Blue Sky Fees and Expenses (Including Legal Fees)...........     5,000
Accounting Fees and Expenses................................   150,000
Legal Fees and Expenses.....................................   275,000
Printing and Engraving......................................    80,000
Registrar and Transfer Agent Fees...........................     5,000
Miscellaneous Expenses......................................    31,600
                                                              --------
     Total..................................................  $630,000
                                                              ========
</TABLE>


ITEM 14. INDEMNIFICATION OF DIRECTORS AND OFFICERS


Sections 23B.08.500 through 23B.08.600 of the Washington Business Corporation
Act authorize a court to award, or a corporation's board of directors to grant,
indemnification to directors and officers on terms sufficiently broad to permit
indemnification under specified circumstances for liabilities arising under the
Securities Act of 1933, as amended (the "Securities Act"). The directors and
officers of the registrant also may be indemnified against liability they may
incur for serving in those capacities under director and officer insurance
coverage maintained by us for that purpose.



Section 23B.08.320 of the Washington Business Corporations Act authorizes a
corporation to limit a director's liability to the corporation or its
shareholders for monetary damages for acts or omissions as a director, except in
specific circumstances involving intentional misconduct, knowing violations of
law or illegal corporate loans or distributions or any transaction from which
the director personally receives a benefit in money, property or services to
which the director is not legally entitled. Article 12 of our restated articles
of incorporation (Exhibit 3.1 hereto) contains provisions implementing, to the
fullest extent permitted by Washington law, these limitations on a director's
liability to the registrant and its shareholders.



The Underwriting Agreement which is Exhibit 1.1 to this registration statement
provides for indemnification by the underwriters of the registrant and its
executive officers and directors and by the registrant of the underwriters, for
various liabilities, including liabilities arising under the Securities Act, in
connection with matters specifically provided in writing by the underwriters for
inclusion in this registration statement.


ITEM 15. RECENT SALES OF UNREGISTERED SECURITIES


In the three year period up to June 21, 1999, we have issued and sold
unregistered securities as follows:


On July 31, 1996, we entered into a Loan and Stock Option Agreement with The
Segale Group, a Washington general partnership, of which Mr. Segale, currently a
director and 5% shareholder of ours, was managing partner. As of December 31,
1998, the outstanding loan balance under the Loan and Stock

                                      II-1
<PAGE>   97


Option Agreement was $500,000. Under a Loan Conversion Agreement dated April 8,
1999, and dated effective as of December 31, 1998, we issued 1,632,500 shares of
common stock and warrants to purchase 93,000 shares of common stock at a price
per share of $.004 per share to Mr. Segale, Lisa M. Atkins, Tina A. Covey, Nita
S. Johnson, Ann J. Nichols, Donna A. Segale and Samir J. Tuma, all partners in
The Segale Group. We have included the Segale partners' offer to sell shares of
common stock having a net valuation of $500,000 under this prospectus, and
therefore these warrants will be cancelled upon completion of this offering.



On December 28, 1997, we issued warrants to purchase 222,728 shares of our
common stock at $1.12 per share to Madrona Group, LLP. On March 11, 1999, we
redeemed and canceled the warrants in exchange for 50,000 shares of common stock
issued to Madrona Group, LLP, which issuance was ratified on May 10, 1999.



In January 1998, Eileen Johnston, John Narver, and Peter Nickerson and Hollis
Hill loaned $25,000, $25,000 and $50,000, respectively, to us, represented by
convertible promissory notes. On December 31, 1998, we converted these notes,
plus accrued interest, into shares of common stock at per share price of $1.18
as follows: (a) 25,887 shares of common stock to Ms. Johnston for an aggregate
of $30,671, (b) 25,845 shares of common stock to Mr. Narver for an aggregate of
$30,621 and (c) 51,942 shares of common stock to Mr. Nickerson and Ms. Hill for
an aggregate of $61,540.



On December 31, 1998, we issued and sold an aggregate of 500,000 shares of
common stock to Peter Nickerson and Hollis Hill, a marital community, at a
purchase price of $1.18 per share, or an aggregate of $592,000.



On December 31, 1998, we entered into a Securities Purchase Agreement under
which we issued and sold an aggregate of 1,157,975 shares of common stock to six
investors, James Stearns, Glen Powers, the Dann Angeloff TTEE FBO Angekoff
Family Trust, the Dann Angeloff TTEE UTD Trust, The Cruttenden Roth Bridge Fund,
LLC and Robert London, at a purchase price of $1.16 per share, net of
commissions paid by us, or an aggregate of $343,251. In addition, we issued
warrants to purchase 392,085 shares of common stock at a per share price of
$3.14 per share to these investors. These investors also loaned us $1,686,364
represented by convertible promissory notes.



On January 28, 1999, under an Amendment No. 1 to the Securities Purchase
Agreement dated December 31, 1997, we issued and sold an aggregate of 529,138
shares of common stock to 12 investors, Shelly Singhal, Joel Slutzky, Alan
Slutzky, Gregory Miner, Michael Erickson, William Foley, Frank Willey, Gary
Nelson, Thomas Rakow, John Narver, Phillip Dinapoli Jr. and Gary Cremo at a
purchase price of $1.16 per share, net of commissions paid by us, or an
aggregate of $613,802. In addition, we issued warrants to purchase 72,915 shares
of common stock at a per share price of $3.14 per share to these investors.
These investors also loaned us $313,636 represented by convertible promissory
notes.



On January 28, 1999, we issued and sold 937 shares of common stock to Peter
Nickerson at a purchase price of $1.18 per share, or an aggregate of $1,110.



On April 2, 1999, we issued 149,625 shares of our common stock to Sid Swartz
pursuant to a Settlement Agreement and Release.



On April 12, 1999, we issued 75,000 shares of our common stock to Jennifer
Perenchio under a Settlement Agreement and General Release.



On April 23, 1999, under a Rescission and Sale Agreement by and among Thomas
Rakow, Monte Brem and us, Mr. Rakow rescinded the purchase of (a) 2,555 shares
of common stock out of the 7,668 he had purchased on January 28, 1999 and(b)
warrants to purchase 350 shares of common stock out of the warrants to purchase
1,050 shares of common stock he had purchased on January 28, 1999. We paid Mr.
Rakow an aggregate of $5,000 for the rescinded shares of common stock and
warrants to purchase common stock. Under the same agreement, Monte Brem
purchased 2,555 shares of common stock and warrants to purchase 350 shares of
common stock from us for an aggregate of $5,000.

                                      II-2
<PAGE>   98


On May 11, 1999, we completed a private equity financing in which we sold
2,705,648 shares of common stock to investors at a purchase price of $3.70 per
share for an aggregate of $10,000,129. Among the investors was Robert London, an
owner of over 5% of our common stock, who purchased 435,115 shares of common
stock for an aggregate of $1,608,185.



From September 1997, date of the first issuance of options under our 1997 Stock
Option Plan, through March 1999, we granted stock options under the 1997 Plan to
purchase an aggregate 2,712,686 shares of common stock, with exercise prices
ranging from $0.18 to $1.16 per share, to employees, consultants and directors
under our 1997 and 1999 Stock Option Plans. Under our 1999 Stock Option Plan, we
have granted stock options to purchase 1,323,499 shares of common stock, with
exercise prices ranging from $3.06 to $3.70 per share to employees, consultants
and directors. Of the total options granted under these plans, options for an
aggregate of 692,999 shares have been exercised, options for an aggregate of
732,232 shares have vested and are outstanding, options for an aggregate of
525,938 have been cancelled, and options for an aggregate of 2,808,499 shares
remain outstanding. The sales and issuances of these securities were exempt from
registration under the Securities Act under Rule 701 promulgated thereunder on
the basis that these options were offered and sold either under a written
compensatory benefit plan or pursuant to written contracts relating to
consideration, as provided by Rule 701.



All references to common stock in this Item 15 reflect a 125-for-1 common stock
split which occurred on September 30, 1997, a 7-for-1 common stock split which
occurred on September 30, 1998, and a 5-for-2 common stock split anticipated to
be completed before the closing of this offering.


Unless otherwise indicated, the issuances and sales of common stock and warrants
described above were exempt under the Securities Act in reliance upon Section
4(2) of the Securities Act or Regulation D promulgated thereunder. The
recipients of securities in each such transaction represented their intentions
to acquire the securities for investment only and not with a view to or for sale
in connection with any distribution thereof and appropriate legends were affixed
to the share certificates issued in such transactions. All recipients had
adequate access to information about us.

ITEM 16A. EXHIBITS.


<TABLE>
<CAPTION>
EXHIBIT
NUMBER                       DESCRIPTION OF EXHIBIT
- -------                      ----------------------
<C>       <S>
  1.1*    Underwriting Agreement.
  3.1*    Restated Articles of Incorporation of the registrant.
  3.2+    Amended Bylaws of the registrant.
  4.1     Form of common stock certificate.
  5.1     Opinion of Lane Powell Spears Lubersky LLP regarding
          legality of the shares.
 10.1+    Bank of California Center Lease dated August 31, 1995,
          between Continental Seattle Partners Limited Partnership and
          Toll-Free Cellular Inc.
 10.2+    Assignment of Lease dated March 13, 1998, between
          Continental Seattle Partners Limited. Partnership, Toll-Free
          Cellular Inc. and the registrant
 10.3+    Union Bank of California Center Office Lease dated March 12,
          1999, between Walton Seattle Investors I, L.L.C. and the
          registrant.
 10.4+    Loan and Security Agreement dated April 30, 1999, between
          Imperial Bank and the registrant, together with exhibits
          thereto.
 10.5+    1997 Stock Option Plan, as amended.
 10.6+    1999 Stock Option Plan.
 10.7+    1999 Nonemployee Director Stock Option Plan.
 10.8+    Search Engine Services Agreement dated January 19, 1998,
          between Inktomi Corporation and the registrant (Information
          has been omitted pursuant to a request for confidential
          treatment and has been filed separately with the Securities
          and Exchange Commission).
 10.9+    Employment Agreement of Peter H. Nickerson dated May 10,
          1999.
</TABLE>


                                      II-3
<PAGE>   99


<TABLE>
<CAPTION>
EXHIBIT
NUMBER                       DESCRIPTION OF EXHIBIT
- -------                      ----------------------
<C>       <S>
 10.10+   Employment Agreement of John F. Duncan dated May 10, 1999.
 10.11+   Employment Agreement of Kevin E. Fink dated May 10, 1999.
 10.12+   Registration Rights Agreement dated effective as of December
          31, 1998.
 10.13+   Warrant to Purchase Common Stock issued to Mark A. Segale,
          for the community of him and Keri D. Segale, on December 31,
          1998.
 10.14    Form of Lock-Up Agreement.
 10.15    Internet Data Center Services Agreement dated effective
          August 31, 1998, between Exodus Communications, Inc. and the
          registrant. (Information has been omitted pursuant to a
          request for confidential treatment and has been filed
          separately with the Securities and Exchange Commission).
 23.1+    Consent of PricewaterhouseCoopers, LLP, Independent
          Accountants.
 23.2     Consent of Lane Powell Spears Lubersky LLP (contained in the
          opinion filed as Exhibit 5.1 hereto).
 24.1+    Power of Attorney (contained on signature page).
</TABLE>


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

* To be filed by amendment.



+ Previously Filed


ITEM 16B. FINANCIAL STATEMENT SCHEDULE.

All schedules for which provision is made in the applicable accounting
regulations of the Securities and Exchange Commission are not required under the
related instructions, are inapplicable or not material, or the information
called for thereby is otherwise included in the financial statements and
therefore has been omitted.

ITEM 17. UNDERTAKINGS.

Insofar as indemnification for liabilities arising under the Securities Act may
be permitted to directors, officers and controlling persons of the registrant
pursuant to the foregoing provisions or otherwise, the registrant has been
advised that in the opinion of the commission such indemnification is against
public policy as expressed in the Securities Act and is, therefore,
unenforceable. In the event that a claim for indemnification against such
liabilities (other than the payment by the registrant of expenses incurred or
paid by a director, officer or controlling person of the registrant in the
successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered in the offering, the registrant will, unless in the opinion of its
counsel the matter has been settled by controlling precedent, submit to a court
of appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the Securities Act an will be governed by
the final adjudication of such issue.

The undersigned registrant hereby undertakes to provide to the Underwriters at
the closing in the Underwriting Agreement certificates in such denomination and
registered in such names as required by the Underwriters to permit prompt
delivery to each purchaser.

                                      II-4
<PAGE>   100

The undersigned registrant hereby undertakes that:

     (1) For the purposes of determining any liability under the Securities Act,
         the information omitted from the form of prospectus filed as part of
         this registration statement in reliance upon Rule 430A and contained in
         a form of prospectus filed by the registrant pursuant to Rules
         424(b)(1) or (4) or 497(h) under the Securities Act, shall be deemed to
         be part of this registration statement as of the time it was declared
         effective.

     (2) For the purposes of determining any liability under the Securities Act,
         each post effective amendment that contains a form of prospectus shall
         be deemed to be a new registration statement relating to the securities
         offered therein and the offering of such securities at that time shall
         be deemed to be the initial bona fide offering thereof.

                                      II-5
<PAGE>   101

                                   SIGNATURES


Pursuant to the requirements of the Securities Act of 1933, as amended, the
registrant has duly caused this Amendment No. 1 to the registration statement to
be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Seattle, State of Washington, on the 22nd day of June, 1999.


                                          N2H2, Inc.


                                          By                  *

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

                                                    Peter H. Nickerson,


                                               President and Chief Executive
                                                           Officer



Pursuant to the requirements of the Securities Act of 1933, as amended, this
Amendment No. 1 to the registration statement has been signed by the following
persons in the capacities indicated below on the 22nd day of June 1999.



<TABLE>
<CAPTION>
                   SIGNATURE                                            TITLE
                   ---------                                            -----
<C>                                               <S>

                       *                          President, Chief Executive Officer and Chairman
- ------------------------------------------------  of the Board of Directors
               Peter H. Nickerson

               /s/ JOHN F. DUNCAN                 Vice President -- Chief Financial Officer
- ------------------------------------------------
                 John F. Duncan

                       *                          Director
- ------------------------------------------------
                 Hollis R. Hill

                       *                          Director
- ------------------------------------------------
                 Mark A. Segale

            * By: /s/ JOHN F. DUNCAN
- ------------------------------------------------
                 John F. Duncan
               (Attorney-in-Fact)
</TABLE>


                                      II-6
<PAGE>   102


                                 EXHIBIT INDEX



<TABLE>
<CAPTION>
EXHIBIT
NUMBER                       DESCRIPTION OF EXHIBIT
- -------                      ----------------------
<C>       <S>
  1.1*    Underwriting Agreement.
  3.1*    Restated Articles of Incorporation of the registrant.
  3.2+    Amended Bylaws of the registrant.
  4.1     Form of common stock certificate.
  5.1     Opinion of Lane Powell Spears Lubersky LLP regarding
          legality of the shares.
 10.1+    Bank of California Center Lease dated August 31, 1995,
          between Continental Seattle Partners Limited Partnership and
          Toll-Free Cellular Inc.
 10.2+    Assignment of Lease dated March 13, 1998, between
          Continental Seattle Partners Limited. Partnership, Toll-Free
          Cellular Inc. and the registrant
 10.3+    Union Bank of California Center Office Lease dated March 12,
          1999, between Walton Seattle Investors I, L.L.C. and the
          registrant.
 10.4+    Loan and Security Agreement dated April 30, 1999, between
          Imperial Bank and the registrant, together with exhibits
          thereto.
 10.5+    1997 Stock Option Plan, as amended.
 10.6+    1999 Stock Option Plan.
 10.7+    1999 Nonemployee Director Stock Option Plan.
 10.8+    Search Engine Services Agreement dated January 19, 1998,
          between Inktomi Corporation and the registrant (Information
          has been omitted pursuant to a request for confidential
          treatment and has been filed separately with the Securities
          and Exchange Commission).
 10.9+    Employment Agreement of Peter H. Nickerson dated May 10,
          1999.
 10.10+   Employment Agreement of John F. Duncan dated May 10, 1999.
 10.11+   Employment Agreement of Kevin E. Fink dated May 10, 1999.
 10.12+   Registration Rights Agreement dated effective as of December
          31, 1998.
 10.13+   Warrant to Purchase Common Stock issued to Mark A. Segale,
          for the community of him and Keri D. Segale, on December 31,
          1998.
 10.14    Form of Lock-Up Agreement.
 10.15    Internet Data Center Services Agreement dated effective
          August 31, 1998, between Exodus Communications, Inc. and the
          registrant. (Information has been omitted pursuant to a
          request for confidential treatment and has been filed
          separately with the Securities and Exchange Commission).
 23.1+    Consent of PricewaterhouseCoopers, LLP, Independent
          Accountants.
 23.2     Consent of Lane Powell Spears Lubersky LLP (contained in the
          opinion filed as Exhibit 5.1 hereto).
 24.1+    Power of Attorney (contained on signature page).
</TABLE>


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

* To be filed by amendment.



+ Previously Filed


<PAGE>   1

                                  [N2H2 LOGO]

                            N2H2, INC. COMMON STOCK
                   Incorporated Under the Laws of Washington


          NUMBER                                          SHARES

INCORPORATED UNDER THE LAWS                          CUSIP 6701 9F 104
 OF THE STATE OF WASHINGTON                 SEE REVERSE FOR CERTAIN DEFINITIONS

THIS CERTIFIES THAT


is the record holder of

    FULLY PAID AND NONASSESSABLE SHARES OF COMMON STOCK, $.001 PAR VALUE OF
                                   N2H2, INC.

transferable on the books of the Corporation by the holder hereof in person or
by duly authorized Attorney upon surrender of this certificate properly
endorsed. This certificate is not valid until countersigned by the Transfer
Agent and Registrar.

     WITNESS the facsimile signatures of its duly authorized officers.

Dated:

           /s/ Peter H. Nickerson           /s/ John F. Duncan
           PRESIDENT & CEO AND              VICE PRESIDENT - CHIEF FINANCIAL
           CHAIRMAN OF THE BOARD            OFFICER, SECRETARY AND TREASURER

COUNTERSIGNED AND REGISTERED:
    CHASEMELLON SHAREHOLDER SERVICES, L.L.C.
          520 PIKE STREET, SUITE 1220
               SEATTLE, WA 98101

   TRANSFER AGENT
   AND REGISTRAR

         -

AUTHORIZED SIGNATURE
<PAGE>   2
                                  N2H2, Inc.

     The Corporation will furnish without charge to any shareholder upon
written request a statement of the designations, relative rights, preferences,
and limitations applicable to each class of shares that the Corporation is
authorized to issue, the variations in rights, preferences, and limitations of
each series of each such class for which the same have been determined, and the
authority of the Board of Directors to determine variations for future series.
Any such request should be addressed to the Secretary of the Corporation at the
Corporation's principal executive offices.

     The following abbreviations, when used in the inscription on the face of
this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:

<TABLE>
<CAPTION>
<S>                                                 <C>
TEN COM - as tenants in common                      UNIF GIFT MIN ACT - ________Custodian_________
TEN ENT - as tenants by the entireties                                   (Cust)           (Minor)
JT TEN  - as joint tenants with right of                                under Uniform gifts to Minors
          survivorship and not as tenants
          in common                                                     Act__________________________
                                                                                    (State)
</TABLE>

                                   ASSIGNMENT


    Additional abbreviations may also be used though not in the above list.


For Value Received________________________hereby sell(s), assign(s) and
transfer(s) unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
 IDENTIFYING NUMBER OF ASSIGNEE
_____________________________________

________________________________________________________________________________
 (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING ZIP CODE OF ASSIGNEE(S))

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________
of the Shares of capital stock represented by the within Certificate and do(es)
hereby irrevocably constitute and appoint______________________________Attorney
to transfer the said Shares on the books of the within named Corporation with
full power of substitution in the premises.


Dated:_____________________       ______________________________________________

                                  ______________________________________________
                                  NOTE: The signature to this assignment must
                                  correspond with the names as written upon the
                                  face of the certificate in every particular,
                                  without alteration or enlargement or any
                                  change whatever. Signature must be
                                  guaranteed.

Signature(s) Guaranteed:

By:_______________________________________________________________
THE SIGNATURE MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION
(BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH
MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM)
PURSUANT TO S.E.C. RULE 17Ad-18.


<PAGE>   1
                                                                     EXHIBIT 5.1


                                 June 23, 1999

N2H2, Inc.
900 Fourth Avenue, Suite 3400
Seattle, WA 98164

Dear Sir/Madam:

We have acted as counsel to N2H2, Inc. (the "Company") in connection with the
preparation and filing of a registration statement on Form S-1 (the
"Registration Statement") under the Securities Act of 1933, as amended, which
the Company is filing with the Securities and Exchange Commission with respect
to 4,450,000 shares (the "Company Shares") of the Company's common stock, no
par value (the "Common Stock") to be offered by the Company and 50,000 shares
of the Company's Common Stock (the "Selling Shareholder Shares") to be offered
by the shareholders identified in the prospectus (the "Selling Shareholders"),
together with an additional 675,000 shares if and to the extent the
Underwriters exercise an over-allotment option granted by the Company (the
"Over-allotment Shares"). The Company Shares and the Over-allotment Shares are
together referred to as the "Shares."

We have examined the Registration Statement and such documents and records of
the Company and other documents as we have deemed necessary for the purpose of
this opinion. Based on the foregoing, we are of the opinion that upon the
happening of the following events:

     (a)  filing of any amendments to the Registration Statement and the
          effectiveness of the Registration Statement, and

     (b)  due execution by the Company and registration by its registrar of the
          Shares, and the sale of the Shares as contemplated by the Registration
          Statement and in accordance with the aforesaid governmental
          authorizations, and the resolutions adopted by the Board of Directors
          of the Company,

the Shares will be duly authorized, validly issued, fully paid and
nonassessable.

We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement, and to the reference to our firm in the Prospectus of
the Registration Statement under the heading "Legal Matters."

<PAGE>   2
N2H2, Inc
June 22, 1999
Page 2


                                             /s/ Lane Powell Spears Lubersky LLP
                                                 LANE POWELL SPEARS LUBERSKY LLP

<PAGE>   1
                                                                  EXHIBIT 10. 14



                           FORM OF LOCK-UP AGREEMENT



                                                                    May __, 1999



CIBC World Markets Corp.
As Representative of the Several Underwriters
C/o CIBC Oppenheimer Corp.
CIBC Oppenheimer Tower
World Financial Center
200 Liberty Street
New York, New York  10281

Re:     Public Offering of Common Stock of N2H2, Inc.

Ladies and Gentlemen:

The undersigned, a holder of common stock ("Common Stock"), or rights to acquire
Common Stock, of N2H2, Inc., a Washington corporation (the "Company"),
understands that the Company intends to file a Registration Statement on Form
S-1 (the "Registration Statement") with the Securities and Exchange Commission
(the "Commission") on May 14, 1999 for the registration of shares of Common
Stock (including additional shares subject to an over-allotment option on the
part of the Underwriters) (the "Offering"). The undersigned further understands
that you are contemplating entering into an Underwriting Agreement with the
Company in connection with the Offering.

In order to induce the Company, you and the other Underwriters to enter into the
Underwriting Agreement and to proceed with the Offering, the undersigned agrees,
subject to the terms of the Registration Rights Agreement, for the benefit of
the Company, you and the other Underwriters, that should the Offering be
effected and the Company's obligations under the Registration Rights Agreement
with respect to the Offering be satisfied the undersigned will not, without your
prior written consent, directly or indirectly, make any offer, sale, assignment,
transfer, encumbrance, contract to sell, grant of an option to purchase or other
disposition of any Common Stock beneficially owned (within the meaning of Rule
13d-3 under the Securities Exchange Act of 1934, as amended) by the undersigned
on the date hereof or hereafter acquired for a period of 180 days subsequent to
the date of the Underwriting Agreement.

<PAGE>   2

The undersigned confirms that he, she or it understands that the Underwriters
and the Company will rely upon the representations set forth in this agreement
in proceeding with the Offering. This agreement is irrevocable and shall be
binding on the undersigned and his, her or its respective successors, heirs,
personal representatives and assigns. The undersigned agrees and consents to the
entry of stop transfer instructions with the Company's transfer agent against
the transfer of Common Stock or securities convertible into or exchangeable or
exercisable for Common Stock held by the undersigned except in compliance with
this agreement.

                                        Very truly yours,


                                        Signature(s)


Date:  ______, 1999                     ________________________________________


                                        ________________________________________
                                        Print Name(s) and Title (if applicable)



                                       2

<PAGE>   1
                                                                  EXHIBIT 10.15


                          EXODUS COMMUNICATIONS, INC.

                     INTERNET DATA CENTER SERVICES AGREEMENT


        THIS INTERNET DATA CENTER SERVICES AGREEMENT (this "Agreement") is made
effective as of the Submission Date (August 31, 1998) indicated in the initial
Internet Data Center Services Order Form accepted by Exodus, by and between
Exodus Communications, Inc. ("Exodus") and the customer identified below
("Customer").

PARTIES:

CUSTOMER NAME:        N2H2

ADDRESS:              900 4th Avenue, Suite 3400
                      Seattle, WA  99164

PHONE:                (800) 971-2622

FAX:

Exodus Communications, Inc.
2650 San Tomas Expressway
Santa Clara, CA  95051
Phone:     (408) 346-2200
Fax:       (408) 346-2206

1.      INTERNET DATA CENTER SERVICES.

Subject to the terms and conditions of this Agreement, during the term of this
Agreement, Exodus will provide to Customer the services described in the
Internet Data Center Services Order Form(s) ("IDC Services Order Form(s)")
accepted by Exodus, or substantially similar services if such substantially
similar services would provide Customer with substantially similar benefits
("Internet Data Center Services"). All IDC Services Order Forms accepted by
Exodus are incorporated herein by this reference, each as of the Submission Date
indicated in such form.

2.      FEES AND BILLING.

        2.1     Fees. Customer will pay all fees due according to the IDC
Services Order Form(s).

        2.2     Billing Commencement. Billing for Internet Data Center Services,
other than Setup Fees, indicated on the initial IDC Services Order Form shall
commence on the earlier to occur of (i) the "Installation Date" indicated in the
initial IDC Services Order Form, regardless of whether Customer has commenced
use of the Internet Data Center Services, unless Customer is


Non-Standard - N2H2
EXODUS COMMUNICATIONS, INC. CONFIDENTIAL AND PROPRIETY (rev 6/98)


[*] Information has been omitted pursuant to a request for confidential
    treatment and has been filed separately with the Securities And Exchange
    Commission.


                                                                          Page 1
<PAGE>   2
unable to install the Customer Equipment and/or use the Internet Data Center
Services by the Installation Date due to the fault of Exodus, then billing will
not begin until the date Exodus has remedied such fault and (ii) the date the
"Customer Equipment" (Customer's computer hardware and other tangible equipment,
as identified in the Customer Equipment List which is incorporated herein by
this reference) is placed by Customer in the "Customer Area" (the portion(s) of
the Internet Data Centers, as defined in Section 3.1 below, made available to
Customer hereunder for the placement of Customer Equipment) and is operational.
All Setup Fees will be billed upon receipt of a Customer signed IDC Services
Order Form. In the event that Customer orders additional Internet Data Center
Services, billing for such services shall commence on the date Exodus first
provides such additional Internet Data Center Services to Customer or as
otherwise agreed to by Customer and Exodus.

        2.3     Billing and Payment Terms. Customer will be billed monthly in
advance of the provision of Internet Data Center Services, and payment of such
fees will be due within thirty (30) days of the date of each Exodus invoice. All
payments will be made in U.S. dollars. Late payments hereunder will accrue
interest at a rate of one percent (1%) per month, or the highest rate allowed by
applicable law, whichever is lower. If in its judgment Exodus determines that
Customer is not creditworthy or is otherwise not financially secure, Exodus may,
upon written notice to Customer, modify the payment terms to require full
payment before the provision of Internet Data Center Services or other
assurances to secure Customer's payment obligations hereunder.

        2.4     Taxes. All payments required by this Agreement are exclusive of
all national, state, municipal or other governmental excise, sales, value-added,
use, personal property, and occupational taxes, excises, withholding taxes and
obligations and other levies now in force or enacted in the future, all of which
Customer will be responsible for and will pay in full, except for taxes based on
Exodus' net income.

3.      CUSTOMER'S OBLIGATIONS.

        3.1     Compliance with Law and Rules and Regulations. Customer agrees
that Customer will comply at all times with all applicable laws and regulations
and Exodus' general rules and regulations relating to its provision of Internet
Data Center Services, as updated by Exodus from time to time ("Rules and
Regulations"). Customer acknowledges that Exodus exercises no control whatsoever
over the content of the information passing through its sites containing the
Customer Area and equipment and facilities used by Exodus to provide Internet
Data Center Services ("Internet Data Centers"), and that it is the sole
responsibility of Customer to ensure that the information it transmits and
receives complies with all applicable laws and regulations.

        3.2     Customer's Costs. Customer agrees that it will be solely
responsible, and at Exodus's request will reimburse Exodus, for all costs and
expenses incurred at Customer's request (other than those included as part of
the Internet Data Center Services and except as otherwise expressly provided
herein) it incurs in connection with this agreement.


                                                                          Page 2
<PAGE>   3
        3.3     Access and Security. Customer will be fully responsible for any
charges, costs, expenses (other than those included in the Internet Data Center
Services), and third party claims that may result from its use of, or access to,
the Internet Data Centers and/or the Customer Area including but not limited to
any unauthorized use of any access devices provided by Exodus hereunder. Except
with the advanced written consent of Exodus, Customer's access to the Internet
Data Centers will be limited solely to the individuals identified and authorized
by Customer to have access to the Internet Data Centers and the Customer Area in
accordance with this Agreement, as identified in the Customer Registration Form,
as amended from time to time, which is hereby incorporated by this reference
("Representatives").

        3.4     No Competitive Services. Customer may not at any time permit any
Internet Data Center Services to be utilized for the provision of any services
that compete with any Exodus services, without Exodus' prior written consent.

        3.5     Insurance.

        (a)     Minimum Levels. Customer will keep in full force and effect
during the term of this Agreement: (i) comprehensive general liability insurance
in an amount not less than $2 million per occurrence for bodily injury and
property damage; (ii) employer's liability insurance in an amount not less than
$1 million per occurrence; and (iii) workers' compensation insurance in an
amount not less than that required by applicable law. Customer also agrees that
it will, and will use commercially reasonable efforts to ensure that its agents
(including contractors and subcontractors) maintain, other insurance at levels
no less than those required by applicable law and customary in Customer's and
its agents' industries.

        (b)     Certificates of Insurance. Prior to installation of any Customer
Equipment in the Customer Area, Customer will furnish Exodus with certificates
of insurance which evidence the minimum levels of insurance set forth above.

        (c)     Naming Exodus as an Additional Insured. Customer agrees that
prior to the installation of any Customer Equipment, Customer will cause its
insurance provider(s) to name Exodus as an additional insured and notify Exodus
in writing of the effective date thereof.

4.      CONFIDENTIAL INFORMATION.

        4.1     Confidential Information. Each party acknowledges that it will
have access to certain confidential information of the other party concerning
the other party's business, plans, customers, technology, and products,
including the terms and conditions of this Agreement ("Confidential
Information"). Confidential Information will include, but not be limited to,
each party's proprietary software and customer information. Each party agrees
that it will not use in any way, for its own account or the account of any third
party, except as expressly permitted by this Agreement, nor disclose to any
third party (except as required by law or to that party's attorneys,
accountants, and other advisors as reasonably necessary), any of the other
party's Confidential Information and will take reasonable precautions to protect
the confidentiality of such information.


                                                                          Page 3
<PAGE>   4
        4.2     Exceptions. Information will not be deemed Confidential
Information hereunder if such information: (i) is known to the receiving party
prior to receipt from the disclosing party directly or indirectly from a source
other than one having an obligation of confidentiality to the disclosing party;
(ii) becomes known (independently of disclosure by the disclosing party) to the
receiving party directly or indirectly from a source other than one having an
obligation of confidentiality to the disclosing party; (iii) becomes publicly
known or otherwise ceases to be secret or confidential, except through a breach
of this Agreement by the receiving party; or (iv) is independently developed by
the receiving party.

5.      REPRESENTATIONS AND WARRANTIES.

        5.1     Warranties by Customer.

        (a)     Customer Equipment. Customer represents and warrants that it
owns or has the legal right and authority, and will continue to own or maintain
the legal right and authority during the term of this Agreement, to place and
use the Customer Equipment as contemplated by Agreement. Customer further
represents and warrants that its placement, arrangement, and use of the Customer
Equipment in the Internet Data Centers complies with the Customer Equipment
Manufacturer's environmental and other specifications.

        (b)     Customer's Business. Customer represents and warrants that to
the best of its knowledge Customer's services, products, materials, data,
information and Customer Equipment used by Customer in connection with this
Agreement as well as Customer's and its permitted customers' and users' use of
the Internet Data Center Services (collectively, "Customer's Business") does not
as of the Installation Date, and will not during the term of this Agreement
operate in any manner that would violate any applicable law or regulation.

        (c)     Rules and Regulations. Customer has read the Rules and
Regulations and represents and warrants that Customer and Customer's Business
are currently in full compliance with the Rules and Regulations, and will remain
so at all times during the term of this Agreement.

        (d)     Breach of Warranties. In the event of any breach, of any of the
foregoing warranties, in addition to any other remedies available at law or in
equity, Exodus will have the right immediately, in Exodus' sole discretion, to
suspend any related Internet Data Center Services if deemed reasonably necessary
by Exodus to prevent any harm to Exodus and its business, provided Exodus
notifies Customer of such breach and Customer has failed to cure such breach
within a reasonable period based on the nature of the breach.

        5.2     WARRANTIES AND DISCLAIMERS BY EXODUS.

                5.2(a)  Service Level Warranty. In the event Customer
experiences any of the following and Exodus determines in its reasonable
judgment that such inability was caused by Exodus' failure to provide Internet
Data Center Services for reasons within Exodus' reasonable control and not as a
result of any actions or inactions of Customer or any third parties (including


                                                                          Page 4
<PAGE>   5
Customer Equipment and third party equipment), Exodus will, upon Customer's
request in accordance with paragraph (iii) below, credit Customer's account as
described below:

                (i)     Inability to Access the Internet (Downtime). If Customer
is unable to transmit and receive information from Exodus' Internet Data Centers
(i.e., Exodus' LAN and WAN) to other portions of the Internet because Exodus
failed to provide the Internet Data Center Services for more than fifteen (15)
consecutive minutes, Exodus will credit Customer's account the pro-rata
connectivity charges (i.e., all bandwidth related charges) for one (1) day of
service, up to an aggregate maximum credit of connectivity charges for seven (7)
days of service in any one calendar (1) month. Exodus' schedule maintenance of
the Internet Data Centers and Internet Data Center Services, as described in the
Rules and Regulations, shall not be deemed to be a failure of Exodus to provide
Internet Data Center Services. For purposes of the foregoing, "unable to
transmit and receive" shall mean sustained packet loss in excess of 50% based on
Exodus' measurements.

                (ii)    Packet Loss and Latency. Exodus does not proactively
monitor the packet loss or transmission latency of specific customers. Exodus
does, however, proactively monitor aggregate packet loss and transmission
latency within its LAN and WAN. In the event that Exodus discovers (either from
its own efforts or after being notified by Customer) that Customer is
experiencing packet loss in excess of one percent (1%) ("Excess Packet Loss") or
transmission latency in excess of 120 milliseconds round trip time (based on
Exodus' measurements) between any two Internet Data Centers within Exodus' U.S.
network (collectively "Excess Latency," and with Excess Packet Loss "Excess
Packet Loss/Latency"), and Customer notifies Exodus (or confirms that Exodus has
notified Customer), Exodus will take all actions necessary to determine the
source of the Excess Packet Loss/Latency.

                        (A)     Time to Discover Source of Excess Packet
Loss/Latency; Notification of Customer. Within two (2) hours of discovering the
existence of Excess Packet Loss/Latency, Exodus will determine whether the
source of the Excess Packet Loss/Latency is limited to the Customer Equipment
and the Exodus equipment connecting the Customer Equipment to Exodus' LAN
("Customer Specific Packet Loss/Latency"). If the Excess Packet Loss/Latency is
not a Customer Specific Packet Loss/Latency, Exodus will determine the source of
the Excess Packet Loss/Latency within two (2) hours after determining that it is
not a Customer Specific Packet Loss/Latency. In any event, Exodus will notify
Customer of the source of the Excess Packet Loss/Latency within sixty (60)
minutes after identifying the source.

                        (B)     Remedy of Excess Packet Loss/Latency. If the
Excess Packet Loss/Latency remedy is within the sole control of Exodus, Exodus
will remedy the Excess Packet Loss/Latency within two (2) hours of determining
the source of the Excess Packet Loss/Latency. If the Excess Packet Loss/Latency
is caused from outside of the Exodus LAN or WAN, Exodus will notify Customer and
will use commercially reasonable efforts to notify the party(ies) responsible
for the source and cooperate with it(them) to resolve the problem as soon as
possible.

                        (C)     Failure to Determine Source and/or Resolve
Problem. In the event that Exodus is unable to determine the source of and
remedy the Excess Packet Loss/Latency within the time periods described above
(where Exodus was solely in control of the source),


                                                                          Page 5
<PAGE>   6
Exodus will credit Customer's account the pro-rata connectivity charges for one
(1) day of service for every two (2) hours after the time periods described
above that it takes Exodus to resolve the problem, up to an aggregate maximum
credit of connectivity charges for seven (7) days of service in any one (1)
month.

                (iii)   Customer Must Request Credit. To receive any of the
credits described in this section 5.2(a), Customer must notify Exodus within
seven (7) days from the time Customer becomes eligible to receive a credit.
Failure to comply with this requirement will forfeit Customer's right to receive
a credit.

                (iv)    Remedies Shall Not Be Cumulative; Maximum Credit. In the
event that Customer is entitled to multiple credits hereunder arising from the
same event, such credits shall not be cumulative and Customer shall be entitled
to receive only the maximum single credit available for such event. In no event
will Exodus be required to credit Customer in any one (1) calendar month
connectivity charges in excess of seven (7) days of service. A credit shall be
applied only to the month in which there was the incident that resulted in the
credit. Customer shall not be eligible to receive any credits for periods in
which Customer received any Internet Data Center Services free of charge.

                (v)     Termination Option for Chronic Problems. If, in any
single calendar month, Customer would be able to receive credits totaling
fifteen (15) or more days (but for the limitation in paragraph (iv) above)
resulting from three (3) or more events during such calendar month or, if any
single event entitling customer to credits under paragraph 5.2(a)(i) exits for a
period of eight (8) consecutive hours, then, Customer may terminate this
Agreement for cause and without penalty by notifying Exodus within five (5) days
following the end of such calendar month. Such termination will be effective
immediately or as otherwise specified by Customer.

THIS WARRANTY DOES NOT APPLY TO ANY INTERNET DATA CENTER SERVICES THAT EXPRESSLY
EXCLUDE THIS WARRANTY (AS DESCRIBED IN THE SPECIFICATION SHEETS FOR SUCH
PRODUCTS). THIS SECTION 5.2(a) STATES CUSTOMER'S SOUL AND EXCLUSIVE REMEDY FOR
ANY FAILURE BY EXODUS TO PROVIDE INTERNET DATA CENTER SERVICES.

        (b)     Year 2000 Performance Compliance. Exodus represents and warrants
that all IDC Services will (1) correctly handle date information before, during
and after January 1, 2000 accepting date input, providing date output and
performing calculation on dates or portions of dates; (2) function accurately
and without interruption before, during and after January 1, 2000 without
changes in operation associated with the advent of the new century assuming
correct configuration; (3) respond to two digit date input in a way that
resolves the ambiguity as to century in a disclosed, defined and pre-determined
manner; (4) store and provide output of date information in ways that are
unambiguous as to century; and (5) manage the leap occurring in the year 2000,
following the quad-centennial rule. In the event of any breach of the warranties
under this Section 5.2(b), Customer's sole remedy shall be its ability to
terminate this Agreement.


                                                                          Page 6
<PAGE>   7
        (c)     No Other Warranty. EXCEPT FOR THE EXPRESS WARRANTY SET OUT IN
SUBSECTION (a) ABOVE, THE INTERNET DATA CENTER SERVICES ARE PROVIDED ON AN "AS
IS" BASIS, AND CUSTOMER'S USE OF THE INTERNET DATA CENTER SERVICES IS AT ITS OWN
RISK. EXODUS DOES NOT MAKE, AND HEREBY DISCLAIMS, ANY AND ALL OTHER EXPRESS
AND/OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT AND TITLE,
AND ANY WARRANTIES ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.
EXODUS DOES NOT WARRANT THAT THE INTERNET DATA CENTER SERVICES WILL BE
UNINTERRUPTED, ERROR-FREE, OR COMPLETELY SECURE.

        (d)     Disclaimer of Actions Caused by and/or Under the Control of
Third Parties. EXODUS DOES NOT AND CANNOT CONTROL THE FLOW OF DATA TO OR FROM
EXODUS' INTERNET DATA CENTERS AND OTHER PORTIONS OF THE INTERNET. SUCH FLOW
DEPENDS IN LARGE PART ON THE PERFORMANCE OF INTERNET SERVICES PROVIDED OR
CONTROLLED BY THIRD PARTIES. AT TIMES, ACTIONS OR INACTIONS CAUSED BY THESE
THIRD PARTIES CAN PRODUCE SITUATIONS IN WHICH EXODUS' CUSTOMERS' CONNECTIONS TO
THE INTERNET (OR PORTIONS THEREOF) MAY BE IMPAIRED OR DISRUPTED. ALTHOUGH EXODUS
WILL USE COMMERCIALLY REASONABLE EFFORTS TO TAKE ACTIONS IT DEEMS APPROPRIATE TO
REMEDY AND AVOID SUCH EVENTS, EXODUS CANNOT GUARANTEE THAT THEY WILL NOT OCCUR.
ACCORDINGLY, EXODUS DISCLAIMS ANY AND ALL LIABILITY RESULTING FROM OR RELATED TO
SUCH EVENTS.

6.      LIMITATION OF LIABILITY.

        6.1     Personal Injury. EACH REPRESENTATIVE AND ANY OTHER PERSONS
VISITING THE INTERNET DATA CENTERS DOES SO AT ITS OWN RISK AND EXODUS ASSUMES NO
LIABILITY WHATSOEVER FOR ANY HARM TO SUCH PERSONS RESULTING FROM ANY CAUSE OTHER
THAN EXODUS' NEGLIGENCE OR WILLFUL MISCONDUCT RESULTING IN PERSONAL INJURY TO
SUCH PERSONS DURING SUCH A VISIT.

        6.2     Damage to Customer Equipment or Business. EXODUS ASSUMES NO
LIABILITY FOR ANY DAMAGE TO, OR LOSS RELATING TO, CUSTOMER'S BUSINESS RESULTING
FROM ANY CAUSE WHATSOEVER. EXODUS ASSUMES NO LIABILITY FOR ANY DAMAGE TO, OR
LOSS OF, ANY CUSTOMER EQUIPMENT RESULTING FROM ANY CAUSE OTHER THAN EXODUS'
GROSS NEGLIGENCE OR WILLFUL MISCONDUCT. TO THE EXTENT EXODUS IS LIABLE FOR ANY
DAMAGE TO, OR LOSS OF, THE CUSTOMER EQUIPMENT FOR ANY REASON, SUCH LIABILITY
WILL BE LIMITED SOLELY TO THE THEN-CURRENT VALUE OF THE CUSTOMER EQUIPMENT.

        6.3     Exclusions. EXCEPT AS SPECIFIED IN SECTIONS 6.1 AND 6.2, IN NO
EVENT WILL EXODUS BE LIABLE TO CUSTOMER, ANY REPRESENTATIVE, OR ANY THIRD PARTY
FOR ANY CLAIMS ARISING OUT OF OR RELATED TO THIS AGREEMENT. CUSTOMER EQUIPMENT,
CUSTOMER'S BUSINESS OR OTHERWISE, AND ANY LOST REVENUE, LOST PROFITS,
REPLACEMENT GOODS, LOSS OF TECHNOLOGY, RIGHTS OR SERVICES, INCIDENTAL, PUNITIVE,
INDIRECT OR CONSEQUENTIAL DAMAGES, LOSS OF DATA, OR INTERRUPTION OR LOSS OF USE
OF SERVICE OR OF ANY CUSTOMER EQUIPMENT OR CUSTOMER'S BUSINESS, EVEN IF ADVISED
OF THE POSSIBILITY OF SUCH DAMAGES,

                                                                          Page 7
<PAGE>   8
WHETHER UNDER THEORY OR CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY
OR OTHERWISE.

        6.4     Maximum Liability. NOTWITHSTANDING ANYTHING TO THE CONTRARY IN
THIS AGREEMENT, EXODUS' MAXIMUM AGGREGATE LIABILITY TO CUSTOMER RELATED TO OR IN
CONNECTION WITH THIS AGREEMENT WILL BE LIMITED TO THE TOTAL AMOUNT PAID BY
CUSTOMER TO EXODUS HEREUNDER FOR THE PRIOR TWELVE (12) MONTH PERIOD.

        Intentionally deleted.

        6.6     Basis of Bargain; Failure of Essential Purpose. Customer
acknowledges that Exodus has set its prices and entered into this Agreement in
reliance upon the limitations of liability and the disclaimers of warranties and
damages set forth herein, and that the same form an essential basis of the
bargain between the parties. The parties agree that the limitations and
exclusions of liability and disclaimers specified in this Agreement will survive
and apply even if found to have failed of their essential purpose.

7.      INDEMNIFICATION.

        7.1     Exodus' Indemnification of Customer. Exodus will indemnify,
defend and hold Customer harmless from and against any and all costs,
liabilities, losses, and expenses (including, but not limited to, reasonable
attorneys' fees) (collectively, "Losses") resulting from any claim, suit,
action, or proceeding (each an "Action") brought against Customer alleging (i)
the infringement of any third party registered U.S. copyright or issued U.S.
patent resulting from the provision of Internet Data Center Services pursuant to
this Agreement (but excluding any infringement contributorily caused by
Customer's Business or Customer Equipment) and (ii) personal injury to
Customer's Representatives from Exodus' gross negligence or willful misconduct.

        7.2     Customer's Indemnification of Exodus. Customer will indemnify,
defend and hold Exodus, its affiliates and customers harmless from and against
any and all Losses resulting from or airing out of any Action brought by or
against Exodus, its affiliates or customers alleging: (a) with respect to the
Customer's Business: (i) infringement or misappropriation of any intellectual
property rights; (ii) defamation, libel, slander, obscenity, pornography, or
violation of the rights of privacy or publicity; or (iii) spamming, or any other
offensive, harassing or illegal conduct or violation of the Rules and
Regulations; (b) any damage or destruction to the Customer Area, the Internet
Data Centers or the equipment of Exodus or any other customer by Customer or
Representative(s) or Customer's designees; or (c) any other damage arising from
the Customer Equipment or Customer's Business.

        7.3     Notice. Each party will provide the other party prompt written
notice upon of the existence of any such event of which it becomes aware, and an
opportunity to participate in the defense thereof.


                                                                          Page 8
<PAGE>   9
8.      TERM AND TERMINATION.

        8.1     Term. This Agreement will be effective for a period of one (1)
year from the Installation Date, unless earlier terminated according to the
provisions of this Section 8. The Agreement will automatically renew for
additional terms of one (1) year each.

        8.2     Termination.

        (a)     For Convenience.

        (i)     By Customer During First Thirty Days. Customer may terminate
this Agreement for convenience by providing written notice to Exodus at any time
during the thirty (30) day period beginning on the Installation Date.

        (ii)    By Either Party. Either party may terminate this Agreement for
convenience at any time effective after the first (1st) anniversary of the
Installation Date by providing ninety (90) days' prior written notice to the
other party at any time thereafter.

        (b)     For Cause. Either party will have the right to terminate this
Agreement if: (i) the other party breaches any material term or condition of
this Agreement and fails to cure such breach within thirty (30) days after
receipt of written notice of the same, except in the case of failure to pay
fees, which must be cured within ten (10) days after receipt of written notice
from Exodus; (ii) the other party becomes the subject of a voluntary petition in
bankruptcy or any voluntary proceeding relating to insolvency, receivership,
liquidation, or composition for the benefit of creditors; or (iii) the other
party becomes the subject of an involuntary petition in bankruptcy or any
involuntary proceeding relating to insolvency, receivership, liquidation, or
composition for the benefit of creditors, if such petition or proceeding is not
dismissed within sixty (60) days of filing.

        8.3     No Liability for Termination. Neither party will be liable to
the other for any termination or expiration of this Agreement in accordance with
its terms.

        8.4     Effect of Termination. Upon the effective date of expiration or
termination of this agreement: (a) Exodus will immediately cease providing the
Internet Data Center Services; (b) any and all payment obligations of Customer
under this Agreement will become due immediately; (c) within thirty (30) days
after such expiration or termination, each party will return all Confidential
Information of the other party in its possession at the time of expiration or
termination and will not make or retain any copies of such Confidential
Information except as required to comply with any applicable legal or accounting
record keeping requirement; and (d) Customer will remove from the Internet Data
Centers all Customer Equipment and any of its other property within the Internet
Data Centers within ten (10) days of such expiration or termination and return
the Customer Area to Exodus in the same condition as it was on the Installation
Date, normal wear and tear excepted. If Customer does not remove such property
within such ten day period, Exodus will have the option to (i) move any and all
such


                                                                          Page 9
<PAGE>   10
property to secure storage and charge Customer for the cost of such removal and
storage, and/or (ii) liquidate the property in any reasonable manner.

        8.5     Intentionally deleted.

        8.6     Survival. The following provisions will survive any expiration
or termination of the Agreement: Sections 2, 3, 4, 5, 6, 7, 8 and 9.

9.      MISCELLANEOUS PROVISIONS.

        9.1     Force Majeure. Except for the obligation to pay money, neither
party will be liable for any failure or delay in its performance under this
Agreement due to any cause beyond its reasonable control, including act of war,
acts of God, earthquake, flood, embargo, riot, sabotage, labor shortage or
dispute, governmental act or failure of the Internet, provided that the delayed
party: (a) gives the other party prompt notice of such cause, and (b) uses its
reasonable commercial efforts to correct promptly such failure or delay in
performance.

        9.2     No Lease. This Agreement is a services agreement and is not
intended to and will not constitute a lease of any real or personal property.
Customer acknowledges and agrees that (i) it has been granted only a license to
occupy the Customer Space and use the Internet Data Centers and any equipment
provided by Exodus in accordance with this Agreement, (ii) Customer has not been
granted any real property interest in the Customer Space or Internet Data
Centers, and (iii) Customer has no rights as a tenant or otherwise under any
real property or landlord/tenant laws, regulations, or ordinances. For good
cause, including the exercise of any rights under Section 8.5 above, Exodus may
suspend the right of any Representative or other person to visit the Internet
Data Centers.

        9.3     Marketing. Customer agrees that Exodus may refer to Customer by
trade name and trademark, and may briefly describe Customer's Business, in
Exodus' marketing materials and web site. Customer hereby grants Exodus a
license to use any Customer trade names and trademarks solely in connection with
the rights granted to Exodus pursuant to this Section 9.3. In addition, Exodus
agrees have a link to Customer's website and to provide its logo, upon request,
for Customer's use as a link to the Exodus website.

        9.4     Government Regulations. Customer will not export, re-export,
transfer, or make available, whether directly or indirectly, any regulated item
or information to anyone outside the U.S. in connection with this Agreement
without first complying with all export control laws and regulations which may
be imposed by the U.S. Government and any country or organization of nations
within whose jurisdiction wherein Customer hosted by Exodus.

        9.5     Non-Solicitation. During the period beginning on the
Installation Date and ending on the first anniversary of the termination or
expiration of this Agreement in accordance with its


                                                                         Page 10
<PAGE>   11
terms, Customer agrees that it will not, and will ensure that its affiliates do
not, directly or indirectly, solicit or attempt to solicit for employment any
person employed by Exodus during such period.

        9.6     Governing Law; Resolution, Severability; Waiver. This Agreement
is made under and will be governed by and construed in accordance with the laws
of the State of California (except that body of law controlling conflicts of
law) and specifically excluding from application to this Agreement that law
known as the United Nations Convention on the International Sale of Goods. Any
dispute relating to the terms, interpretation or performance of this Agreement
(other than claims for preliminary injunctive relief or other pre-judgment
remedies) will be resolved at the request of either party through binding
arbitration. Arbitration will be conducted in Santa Clara County, California,
under the rules and procedures of the Judicial Arbitration and Mediation Society
("JAMS"). The parties will request that JAMS appoint a single arbitrator
possessing knowledge of online services agreements; however, the arbitration
will proceed even if such a person is unavailable. In the event any provision of
this Agreement is held by a tribunal of competent jurisdiction to be contrary to
the law, the remaining provisions of this Agreement will remain in full force
and effect. The waiver of any breach or default of this Agreement will not
constitute a waiver of any subsequent breach or default, and will not act to
amend or negate the rights of the waiving party.

        9.7     Assignment; Notices. Neither party may assign its rights or
delegate its duties under this Agreement either in whole or in part without the
prior written consent of the other party, except that the parties may assign
this Agreement in whole as part of a corporate reorganization, consolidation,
merger, or sale of substantially all of its assets. Any attempted assignment or
delegation without such consent will be void. Notwithstanding the foregoing,
Exodus may assign this Agreement, in whole or in part, in connection with a
grant of security interest to lenders participating in a senior secured credit
facility. This Agreement will bind and inure to the benefit of each party's
successors and permitted assigns. Any notice or communication required or
permitted to be given hereunder may be delivered by hand, deposited with an
overnight courier, sent by confirmed facsimile, or mailed by registered or
certified mail, return receipt requested, postage prepaid, in each case to the
address of the receiving party indicated on the signature page hereof, or at
such other address as may hereafter be furnished in writing by either party
hereto to the other. Such notice will be deemed to have been given as of the
date it is delivered, mailed or sent, whichever is earlier.

        9.8     Relationship of Parties. Exodus and Customer are independent
contractors and this Agreement will not establish any relationship of
partnership, joint venture, employment, franchise or agency between Exodus and
Customer. Neither Exodus nor Customer will have the power to bind the other or
incur obligations on the other's behalf without the other's prior written
consent, except as otherwise expressly provided herein.

        9.9     Entire Agreement; Counterparts. This Agreement, including all
documents incorporated herein by reference, constitutes the complete and
exclusive agreement between the parties with respect to the subject matter
hereof, and supersedes and replaces any and all prior or contemporaneous
discussions, negotiations, understandings and agreements, written and oral,


                                                                         Page 11
<PAGE>   12
regarding such subject matter. This Agreement may be executed in two or more
counterparts, each of which will be deemed an original, but all of which
together shall constitute one and the same instrument.

Customer's and Exodus' authorized representatives have read the foregoing and
all documents incorporated therein and agree and accept such terms effective as
of the date first above written.


CUSTOMER                               EXODUS COMMUNICATIONS, INC.



Signature:  /s/ JOHN DUNCAN            Signature:  /s/ SUE IRVINE
           ------------------------               ---------------------------
Print Name:     John Duncan            Print Name:     Sue Irvine
           ------------------------               ---------------------------



                                                                         Page 12
<PAGE>   13

                          EXODUS COMMUNICATIONS, INC.
                    INTERNET DATA CENTER SERVICES ORDER FORM
                              SERVICES AND PRICES

Customer:      N2H2

Form No.       0804-1

IMPORTANT INFORMATION:

(1)  By submitting this Internet Data Center Services Order Form (Form) to
     Exodus Communications, Inc. (Exodus), Customer hereby places an order for
     the Internet Data Center Services described herein pursuant to the terms
     and conditions of the Internet Data Center Services Agreement between
     Customer and Exodus (IDC Agreement).

(2)  Billing, with the exception of Setup Fees, will commence on the earlier of
     the Installation Date indicated below or the date Customer actually
     installs its equipment or Exodus begins providing Internet Data Center
     Services. All Setup Fees will be billed upon receipt of a Customer signed
     IDC Services Order Form.

(3)  Exodus will provide the Internet Data Center Services pursuant to the
     terms and conditions of the IDC Agreement, which incorporates this Form.
     The terms of this Form supersede, and by accepting this Form Exodus
     hereby rejects, any conflicting or additional terms provided by Customer
     in connection with Exodus' provision of Internet Data Center Services. If
     there is a conflict between this Form and any other Form provided by
     Customer and accepted by Exodus, the Form with the latest date will
     control.

(4)  Exodus will not be bound by or required to provide Internet Data Center
     Services pursuant to this Form or the IDC Agreement until each is signed
     by an authorized representative of Exodus.

(5)  Option 1 - Convenience:

     Either party may terminate this Agreement for convenience at any time
     after the first (1st) anniversary of the Installation Date by providing
     ninety (90) days' prior written notice to the other party. From January 1,
     1999 to the first (1st) anniversary of the Installation Date, Customer may
     terminate this Agreement for convenience by providing forty five (45) days
     written notice to Exodus, provided that if Customer exercises this option,
     Customer shall pay Exodus any charges that Customer received during the
     period from the Installation Date through the date of termination.

     Option 2 - Performance

     Should Customer terminate this Agreement for performance, Customer will be
     liable to Exodus for all Fees incurred up to the date of termination.

CUSTOMER TO COMPLETE:

CUSTOMER HAS READ, UNDERSTANDS, AND HEREBY SUBMITS THIS ORDER.

Installation Date:       8/26/98
                    -----------------------


Submitted by:  /s/ JOHN DUNCAN
               ----------------------------
                 (Authorized Signature)



Print Name:          John Duncan                 Submission Date:  8/31/98
            -------------------------------                      ---------------
                                                (Effective Date of IDC Agreement
Title:                C.O.O.
       ------------------------------------



EXODUS COMMUNICATIONS, INC. ACCEPTANCE

__________________________                       Date: __________________
(Authorized Signature)





<PAGE>   14
Customer:  N2H2

Form No.:  0804-1

Comments


      The following billing schedule will apply:

<TABLE>
<CAPTION>
MONTH                         BANDWIDTH         FACILITIES        TOTAL MRC   NCR
- -----                         ---------         ----------        ---------   ---
<S>                           <C>               <C>               <C>         <C>
August                         *                 *                 *           *
September                      *                 *                 *           *
October                        *                 *                 *           *
November                       *                 *                 *           *
December                       *                 *                 *           *
January - September 30/99      *                 *                 *           *
</TABLE>



Customer: [SIGNATURE ILLEGIBLE]


Exodus:   JD
       -------

                 COMPLETE THE FOLLOWING PAGE BEFORE SUBMITTING


Regards,


Timothy Doyle
Strategic Account Executive
Exodus Communications, Inc.
(206) 336-0408



(*) Information has been omitted pursuant to a request for confidential
    treatment and has been filed separately with the Securities And Exchange
    Commission.



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