<PAGE>   1
                                                                    EXHIBIT 10.1

                                                CONFIDENTIAL TREATMENT REQUESTED


                          NETCENTER SERVICES AGREEMENT
                                   COVER SHEET

This Netcenter Services Agreement ("Agreement"), of which this page is a cover
sheet ("Cover Sheet"), is entered into as of this 29 day of April, 1998 (the
"Effective Date") by and between Netscape Communications Corporation, a Delaware
corporation ("Netscape"), and Excite, Inc., a California corporation ("Excite").

DESCRIPTION OF SERVICE: Development, programming, operation and production of
the Co-Branded Channels, Netscape Branded Search Service, including, without
limitation, the Search Results Pages, Classifieds and Directory Service for
Netcenter.

EXCITE BRAND SERVICE: http://www.excite.com, or such other URL as is the initial
point of access to Excite's Web Site.

TERRITORY: United States 

LOCAL LANGUAGE: English 

SERVICE PERIOD: 2 years beginning on the Launch Date.

<TABLE>
<S>                                        <C>
ADDRESSES FOR NOTICE:
Excite:                                    Netscape:
Excite, Inc.                               Netscape Communications Corporation
555 Broadway                               501 East Middlefield Road, MS: MV-002
Redwood City, CA  94063                    Mountain View, CA 94043
USA                                        USA
Fax:  (650) 568-6030                       Fax: (650) 528-4123
Attn:  General Counsel                     Attn: General Counsel

EXCITE, INC.,                              NETSCAPE COMMUNICATIONS CORPORATION,
A CALIFORNIA CORPORATION                   A DELAWARE CORPORATION


Signature: /s/ GEORGE BELL                 Signature: /s/ MIKE HOMER
          -------------------------                  -------------------------
Name:   George Bell                        Name:  Mike Homer
     ------------------------------             ------------------------------
Title:  President and CEO                  Title: EVP of Website
      -----------------------------              -----------------------------
</TABLE>


<TABLE>
<CAPTION>
Attached Exhibits:
<S>               <C>
   Exhibit A:     End User Registration
   Exhibit B:     Payment Terms
   Exhibit C:     Copy of Mutual Confidential Disclosure Agreement
   Exhibit D:     Priority Response Times
   Exhibit E:     Netscape Licensed Technology
   Exhibit F:     Excite Licensed Technology
   Exhibit G:     Channel Allocation
 
   Exhibit H:     Pro Forma Layout of a Co-Branded Channel Page; a Search 
                  Results Page; Directory Service Page and the Netscape 
                  Branded Search Service "Sampler"
   Exhibit I:     Warrant Purchase Agreement
</TABLE>


                                       1

<PAGE>   2
                                                CONFIDENTIAL TREATMENT REQUESTED


                               SERVICES AGREEMENT

IN CONSIDERATION OF THE MUTUAL COVENANTS CONTAINED HEREIN, THE PARTIES AGREE AS
FOLLOWS:

1.   DEFINITIONS

"CHANNEL" means one of the topic specific areas providing content (at the top
level), links (either directory provided, or hand-programmed), community
components (i.e., mail, chat, discussion groups, etc.), e-commerce
opportunities/links, and other tools, resources, and applications pertaining to
the topic, identified as a Netscape channel or a Co-Branded Channel on Exhibit
G.

"CLASSIFIEDS" means Excite's "Classifeds2000" service which Classifieds shall be
integrated into the Co-Branded Channels and Netscape's Channels; provided,
however, that for purposes of this Agreement, Classifieds shall not include any
career-oriented or job posting features or services.

"CO-BRANDED CHANNELS" means (i) the Channels to be programmed and served by
Excite as set forth in Exhibit G attached hereto, (ii) the Interim Channels set
forth in Exhibit G and (iii) any Channels that Netscape and Excite shall agree
to designate in a writing executed by both parties as "Co-Branded Channels."

"CONFIDENTIAL DISCLOSURE AGREEMENT" means the Mutual Confidential Disclosure
Agreement between the parties a copy of which is attached to this Agreement as
Exhibit C.

"CONTENT PROVIDER" means any third party that is participating in the Service by
providing to the Service content and/or a link to a content-related site.

"CORE SERVICES" means services and applications offered by Netscape, as Netscape
may specify from time to time, that generally apply to Channels, including,
without limitation, services and applications containing discussion group, chat,
personalization, personal home page, member directory, email, instant messaging,
white and yellow pages and search features or functions.

"DIRECTORY SERVICE PAGES" means the Local Language HTML page initially served to
an end user in response to such end user "clicking" on any subject category
within the taxonomy of the Directory Service contained on a Channel or Search
Results Page, and all subsequent Local Language HTML pages served to such end
user in response to such end user "clicking" on a sub-category within the
taxonomy of the Directory Service contained on such initial page or any
subsequent page. Without limiting the generality of the foregoing, "Directory
Service Pages" include Local Language HTML pages served to an end user that
"click" on a sub-category within the taxonomy of the Directory Service contained
on a Directory Service Page.

"DIRECTORY SERVICE" means the development, production, operation and maintenance
of a service that serves to end users a taxonomy of subject categories and, in
response to an end user clicking on any such category, serves to such end user
(i) directory listings that link to Web sites related to such category or (ii)
sub-categories in the taxonomy related to such category and, in response to such
end users "clicking" on any such sub-category, directory listings that link to
Web sites related to such sub-category. Directory Service includes, without
limitation, Directory Service Pages.

"E-COMMERCE LISTINGS" means any of Excite's Content, other than Service Ad
Inventory, that (i) is included within the Co-Branded Channels, Search Results
Pages, and Directory Service Pages (provided such Directory Service Pages are
being served and sold by Excite) and (ii) generates Revenue, including, without
limitation, sponsorships and other promotions.

"EXCITE BRAND SERVICE" means Excite's Internet-related content service specified
on the Cover Sheet.

"EXCITE GRAPHIC" means HTML and/or GIF files, or files of such other format as
may be designated from time to time in writing by Netscape, which conform to the
then-current guidelines of the Net Search Program.

"EXCITE LICENSED TECHNOLOGY" means the technology set forth in Exhibit F
attached hereto. The source code portion of the Excite Licensed Technology shall
be Excite's Confidential Information.

"EXCITE NAMED ENTITY" means any of the ten (10) entities set forth in a written
notice delivered by Excite to Netscape as of the Effective Date (and any of such
entities' Affiliates); provided, that the total number of


                                       2


<PAGE>   3
                                                CONFIDENTIAL TREATMENT REQUESTED


Excite Named Entities does not exceed ten (10). Excite may change any Excite
Named Entity once per quarter upon prior written notice to Netscape delivered a
the quarterly review pursuant to Section 9.1.

"EXCITE'S CONTENT" means Content Provider listings and other materials supplied
by, managed by or under the control of Excite.

"EXCITE'S WEB SITE" means Excite's primary and best of breed Local Language Web
site, which is currently accessible by the public via the Internet at the URL
http://www.excite.com.

"INTERIM CHANNELS" means the Channels the parties shall mutually agree to on the
Effective Date in accordance with the provisions set forth in Exhibit G;
provided, that each such Channel shall only be deemed to be an "Interim Channel"
from the date of this Agreement through the first to occur of (i) receipt by
Excite of written Notice from Netscape providing that such Channel is no longer
an "Interim Channel" and (ii) the date that such Channel is fully functional and
made accessible by Netscape to Netcenter end users.

"LAUNCH DATE" means the date specified on Exhibit G.

"LOCAL LANGUAGE" means the language specified on the Cover Sheet.

"NET SEARCH PAGE" means the Local Language HTML page on Netscape's Web Site that
is currently accessible by the public via the Internet at the URL
http://home.netscape.com/home/internet-search, and/or such other URL or locators
as Netscape may designate.

"NET SEARCH PROGRAM" means Netscape's then-current program relating to the
placement of search and directory services on the Local Language Net Search Page
on Netscape's Web Site.

"NETCENTER FRONT PAGE" means the unmodified default HTML page first served to
end users that access Netcenter.

"NETCENTER WIDGET" means a pull down menu on the Netcenter Front Page that
allows an end user to choose an alternative, listed Internet search service to
process a specific Internet search query.

"NETCENTER" means that area of Netscape's Web Site which offers online services
and shopping opportunities to end users.

"NETSCAPE BRANDED SEARCH SERVICE" means the development, production, operation
and maintenance of a service that serves to end users an Internet search and
Directory Service, including integrated content, technologies and services that
(i) perform commensurately with, and have all of Netscape's selection (pursuant
to Section 3.1, below) of the features and functions available to end users
through, the then-current Excite Brand Service and (ii) may be accessed by end
users through interfaces and links designed from time to time by Netscape. The
Netscape Branded Search Services includes, without limitation, the Search
Results Pages.

"NETSCAPE LICENSED TECHNOLOGY" means the software and technology set forth in
Exhibit E. The source code portion of the Netscape Licensed Technology shall be
Netscape's Confidential Information.

"NETSCAPE NAMED ENTITY" means any of the ten (10) entities set forth in a
written notice delivered by Netscape to Excite as of the Effective Date (and any
of such entities' Affiliates); provided, that the total number of Netscape Named
Entities does not exceed ten (10). Netscape may change any Netscape Named Entity
once per quarter upon prior written notice to Excite delivered at the quarterly
review pursuant to Section 9.1.

"NETSCAPE'S WEB SITE" means the collection of Local Language HTML documents
targeted at end users in the Territory and currently accessible by the public
via the Internet at the URL http://home.netscape.com and/or at such other URL or
locations as Netscape may designate.

"PAYMENT" means the amount(s) specified in Exhibit B.

" * " means, for the purposes of Section 18.4 and as of the date 90 days after
the close of any such * ("Post-Closing Date") as described in Section 18.4: the
* , as defined in Exhibit B, less (i) the accrued * , as defined in Exhibit B,
and also less (ii) the following amounts depending on the date of the
Post-Closing Date:

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       3

<PAGE>   4
                                                CONFIDENTIAL TREATMENT REQUESTED


     $    *                  if the Post-Closing Date occurs during the first 
     ----------------------- quarter after the Launch Date;
     $    *                  if the Post-Closing Date occurs during the second
     ----------------------- quarter after the Launch Date;
     $    *                  if the Post-Closing Date occurs during the third 
     ----------------------- quarter after the Launch Date;
     $    *                  if the Post-Closing Date occurs during the fourth
     ----------------------- quarter after the Launch Date;
     $    *                  if the Post-Closing Date occurs during the fifth
     ----------------------- quarter after the Launch Date;
     $    *                  if the Post-Closing Date occurs during the sixth
      ---------------------- quarter after the Launch Date;
     $    *                  if the Post-Closing Date occurs during the seventh
     ----------------------- quarter after the Launch Date;
     $    *                  if the Post-Closing Date occurs during the eighth
     ----------------------- quarter after the Launch Date;

provided, however, that if at the time of the Post-Closing Date Netscape has
delivered all traffic guarantees hereunder (other than guarantees with respect
to Excite's search participation in the Net Search Program), there shall be no *
payable to Excite.

"REVENUE" means the gross revenue received by Excite for * received by Excite
for any other revenue generating activity derived directly on or from pages of
the Service.

"SEARCH RESULTS PAGE" means the Local Language HTML page that is served to an
end user in response to the submission of a query by such end user through the
Netscape Branded Search Service or in response to such end user "clicking" on a
directory listing served to such end user in response to the submission of a
query by such end user through the Netscape Branded Search Service.

"SERVICE AD INVENTORY" means the electronic advertising inventory sold and
served by Excite within the Co-Branded Channels, Directory Service Pages
(provided such Directory Service Pages are served and sold by Excite), Search
Results Pages and advertising sold in any "Classifieds" portion of the Service
under the control of Excite.

"SERVICE PERIOD" means that period identified on the Cover Page of this
Agreement.

"SERVICE" means the service described on the Cover Sheet, the operation of which
is the subject of this Agreement.

"TERM" means the period of time beginning on the Effective Date and ending on
the last day of the Service Period or upon such earlier time as this Agreement
is terminated.

"TERRITORY" means the target geographic area listed on the Cover Sheet.
provided, however, that if at the time of the Post-Closing Date the * less the
Netscape * is greater than the Prepayment less the * to date, then the * shall
equal zero dollars.

2.   NETCENTER FRONT PAGE; CO-BRANDED CHANNELS

2.1. Netcenter Front Page. The Netcenter Front Page will be programmed and
served by Netscape. The Netcenter Front Page will be Netscape branded only and
neither Excite nor any Excite Named Entity will have any branding on the
Netcenter Front Page. Notwithstanding anything to the contrary, (i) AOL branding
that is integral to Netscape's promotion of Netscape AOL Instant Messenger or
(ii) sub-brands of services offered by any Excite Named Entity may appear on the
Netcenter Front Page so long as the primary brand of the Excite Named Entity
does not appear as a component of the sub-brand. A portion of the Netcenter
Front Page real estate will be used to highlight Co-Branded Channels provided by
Excite consistent with the channels provided by Netscape.

2.2. The Co-Branded Channels. Netscape shall include Netcenter as part of
Netscape's Web Site. The Channels will be allocated between the parties as set
forth in Exhibit G. The Co-Branded Channels will be included within Netcenter.
The Co-Branded Channels shall be offered in the Local Language and targeted
toward end users in the Territory. The Co-Branded Channels shall be modeled
after, yet differentiated from, Excite's Brand Service, in accordance with
Netscape guidelines therefor, and shall be consistent with the overall look,
feel and end user experience of Netcenter. Netscape may, upon reasonable advance
notice to Excite, revise the guidelines for the Co-Branded Channels and the
means whereby end users may access the Co-Branded Channels, provided that the
accessibility of the Co-Branded Channels within Netcenter is not materially
reduced. Netscape and Excite will cooperate in good faith to establish a
schedule to promptly implement changes to the Co-Branded Channels necessary to
comply with Netscape's revised guidelines. The search box appearing in Netscape
Channels and Co-Branded Channels will offer only the Netscape Branded Search
Service.

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       4

<PAGE>   5

                                                CONFIDENTIAL TREATMENT REQUESTED


2.3. Co-Branded Channels Pages. Subject to the terms and conditions of this
Agreement, each page of each Co-Branded Channel will: (i) be produced and
managed by Excite, (ii) be served from a "Netscape.com" domain name (or such
other domain name as Netscape may determine), (iii) reside solely on Excite's
servers and (iv) substantially conform to the pro forma Co-Branded Channel page
layout attached hereto as Exhibit H as such Exhibit may be revised by Netscape
from time to time upon reasonable advance notice to Excite. Netscape and Excite
will cooperate in good faith to establish a schedule to promptly implement
changes to the Co-Branded Channels necessary to comply with Netscape's revisions
to the Co-Branded Channel page layout. All access to each page of the Co-Branded
Channels shall be deemed to be via Netscape's Web Site, and therefore shall be
Netscape traffic. Every page of each Co-Branded Channel shall be co-branded by
Netscape and Excite with each party's brand receiving prominence in accordance
with Exhibit H and such co-branding shall appear on a location designated by
Netscape above the fold on each such page in accordance with Exhibit H. The
Service and the Excite Brand Service may be run on the same or separate Excite
servers provided that the servers on which the Service is run shall be equal in
performance and reliability to the server on which the Excite Brand Service is
run throughout the Term. A user interface designated from time to time by
Netscape for the Netscape Branded Search Service shall be included by Excite on
each page within each Co-Branded Channel. Every page within each Co-Branded
Channel shall include a navigational toolbar which shall appear above the fold
and offer end users navigational controls within Netcenter. The overall look and
feel of the toolbar shall be determined by Netscape and be consistent with the
look and feel of the other navigational toolbars within Netcenter. Netscape may
specify that Excite implement other features within each Co-Branded Channel to
ensure consistency across Netcenter Channels and Excite will make reasonable
commercial efforts to provide the capability to facilitate the integration of
these other features into the Co-Branded Channels at the same level of
prominence that similar features are integrated into the Excite Brand Service to
the extent Netscape chooses to incorporate features and functionality as
developed by Excite. Excite will provide capability for Netscape to program
"recirculation" links in the Co-Branded Channels and Directory Service Pages,
Netscape Channels and Search Results Pages to drive traffic back to Netcenter.
Netcenter service links will be the only recirculation links.

2.4. Co-Branded Channels Name. Each page of each Co-Branded Channel shall
include a channel name mutually agreed upon by Netscape and Excite. Excite shall
not independently use such name without Netscape's prior written consent unless
such name is generic or descriptive or such use occurs in connection with
Excite's advertising sales and promotional efforts on behalf of the Co-Branded
Channels. If such name includes a co-branding component that is not generic or
descriptive, Excite may not use such name with Netscape's name expunged unless
such non-generic and non-descriptive component was already in use on the Excite
Brand Service prior to the Effective Date, in which case Excite grants Netscape
a royalty-free perpetual license to use such component in connection with the
Service. The Co-Branded Channels will be co-branded one level down from the
Netcenter Front Page and throughout all the pages linked within the Co-Branded
Channels. The top level branding bar and navigation bar will be provided by
Netscape. Channels programmed by Netscape will not include Excite's branding.
All Netscape Channels will be branded as Netscape shall determine in its sole
discretion.

2.5. Traffic and Reach. All pages generated and delivered within the Co-Branded
Channels, the Netscape Branded Search Service and Directory Service Pages shall
be deemed Netscape traffic. Excite agrees that for the purpose of third party
industry measurement metrics (such as * and *), the traffic (i.e., page-views)
within the aforementioned areas will be exclusively attributable to Netscape.
Excite and Netscape agree that, for their respective purposes and for the
purpose of third party industry measurement metrics (such as * and *), the
audience * and * within the aforementioned areas will be * to * parties.
Netscape and Excite will make good faith efforts to obtain the consent of third
party industry measurement firms and will * to * audience * and * to * for *
Pages and * Channel pages.

3.   NETSCAPE BRANDED SEARCH SERVICE

3.1. Development.

     3.1.1. Excite shall use its best commercial efforts to develop and deliver
to Netscape the Netscape Branded Search Service (including the technical
specifications therefor) by the Launch Date. The

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       5

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                                                CONFIDENTIAL TREATMENT REQUESTED


Netscape Branded Search Service will (i) have the same features and functions as
the Internet search and Directory Service features and functions then-currently
available on Excite's Web Site to the extent Netscape elects to incorporate such
features and functions into the Netscape Branded Search Service, (ii) be
available through search field and directory graphics designed by Netscape,
(iii) except as provided in Section 3.3 with respect to Search Results Pages, be
branded as Netscape shall determine in its sole discretion, and (vi) be
consistent with the overall look, feel and end user experience of Netcenter. The
Netscape Branded Search Service "sampler" which is presented on the Net Search
Page will be co-branded in a manner substantially similar to the mock-up set
forth in Exhibit H.

     3.1.2. In addition to, and not in limitation of, any other obligation of
Excite under this Agreement, Excite shall provide Netscape with written notice
of any new Internet search or directory service features or functionality to be
launched by Excite on the Excite Branded Service no less than the earlier of (i)
thirty (30) days prior to the commencement of the testing of such new
functionality by Excite, (ii) thirty (30) days prior to the launch of such new
functionality on the Excite Brand Service (the "Excite Launch"), or (iii) such
other period intended, in good faith, to provide Netscape with sufficient time
to evaluate the new feature or functionality with the goal of a concurrent
launch within Netcenter. Upon receipt of such notice, Netscape shall have ten
(10) business days to notify Excite in writing of Netscape's intention to
incorporate the new Internet search or directory service features or
functionality into the Netscape Branded Search Service and/or Directory Service
or Netscape shall be deemed to have elected to not incorporate the new Internet
search or directory features or functionality in any manner into the Netscape
Branded Search Service and/or Directory Service. If Netscape gives written
notice to Excite stating Netscape's intention to incorporate the new Internet
search or directory service features or functionality into the Netscape Branded
Search Service and/or Directory Service, Netscape and Excite shall make good
faith efforts to mutually agree on a schedule for the incorporation of such new
features or functionality in the Netscape Branded Search Service and/or
Directory Service with the goal of a concurrent launch, and each shall make
reasonable commercial efforts to incorporate the new features or functionality
by the scheduled implementation date. Nothing in this Section will require
Excite to delay the launch of any new Internet search or directory service
features or functionality on the Excite Branded Service.

3.2. Evaluation of the Netscape Branded Search Service. Upon delivery to
Netscape of the Netscape Branded Search Service or any improvement or other
modification thereof pursuant to Section 3.1, Netscape shall evaluate the
Netscape Branded Search Service to determine if the Netscape Branded Search
Service materially conforms to the specifications therefor and Netscape's
graphics design and provides the same features and functions as the search and
Directory Service features and functions available on Excite's Web Site
corresponding to those features and functions selected by Netscape pursuant to
Section 3.1. In the event that Netscape shall discover any error in the Netscape
Branded Search Service that prevents the Netscape Branded Search Service from
materially conforming to the specifications or Netscape's graphics design or, in
the event that the features and functions selected by Netscape pursuant to
Section 3.1 for incorporation into the Netscape Branded Search Services do not
include features and functions equivalent to the corresponding Internet search
and Directory Service features and functions then-currently available on
Excite's Web Site, Netscape will notify Excite of such errors and/or omissions
in writing and Excite shall then use its reasonable commercial efforts to
correct such error and/or omissions and redeliver to Netscape such modified
Netscape Branded Search Service. Upon receipt of such modified Netscape Branded
Search Service, Netscape shall re-evaluate the Netscape Branded Search Service
in accordance with this Section 3.2. In the event of a major malfunction of the
Service or any component thereof within Excite's control, Excite will use its
best efforts to immediately correct such malfunction.

3.3. Search Results Pages. Each Search Results Page will (i) be served to end
users that submit a query or "click" on a directory listing from a Netscape
branded search and/or directory user interface or link, or from a Search Results
Page, including, without limitation, any graphic designed by Netscape pursuant
to Section 3.1 or included by Netscape in the Net Search Program and any links
to the Netscape Branded Search Service from the Netcenter Widget, (ii) be
produced and managed by Excite, (iii) have a "Netscape.com" domain name (or such
other domain name as Netscape may determine), (iv) reside solely on Excite's
* and (v) be consistent with the overall look, feel and end user
experience of Netcenter. All access to the Search Results Pages shall be deemed
via Netscape's Web Site, and therefore shall be Netscape traffic. The Search
Results Pages will be predominantly Netscape branded (with * of * the * of
Netscape's branding) in accordance with the pro forma layout set forth in
Exhibit H, with * placement of the two brands to be reasonably
determined by Netscape. If the term * or * is used in conjunction with the
Excite brand, the * or * characters will not be counted in the relative brand
prominence. Excite agrees that

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


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                                                CONFIDENTIAL TREATMENT REQUESTED

the Netscape Branded Search Service and the Excite Brand Service may be run on
the same or separate Excite servers provided that the servers on which the
Service is run shall be equal in performance and reliability to the server on
which the Excite Brand Service is run throughout the Term.

4.   NET SEARCH PROGRAM

4.1. Participation in the Net Search Program. During the period commencing on
the date that Netscape shall launch the 1998/1999 Net Search Program through the
Term, Excite shall be entitled to participate as a "premier provider" in the Net
Search Program. Such participation shall be subject to Netscape's then-current
applicable Net Search Program guidelines. Excite shall be allocated on the Net
Search Page * percent (*%) of the premier random rotation in a single position
for the Excite Graphic for the duration of the Term. Excite may use its position
within the rotation to feature any one of * search and directory * and * or *
associated with the featured flagship Excite search and directory service, in a
manner substantially similar to the promotional use of Excite's premier provider
"sampler" in the 1997/1998 Net Search program, provided Netscape has been given
reasonable notice prior to any such change. Netscape and Excite will cooperate
in good faith to establish a schedule to implement promptly any such change.
During the 1998/1999 Net Search Program, Netscape agrees not to ___*___ a random
rotation percentage ___*___ than ___*___. During the 1999 ___*___, excluding
Netscape and Excite, will ___*___ than a ___*___ within the Net Search Program.
On a timeline to be mutually agreed, the parties will issue a joint press
release outlining Excite's participation in the Net Search Program and outlining
the allocation of Excite's Net Search rotation (where such timing will follow
the execution of Netscape's other Net Search Agreements). Netscape will price,
sell, manage and retain all revenue from the other Premier and Marquee Provider
positions on the Net Search Page. These positions will continue to send traffic
to the sites of those providers.

4.2. Netscape Branded Search Service. During the 1998/1999 Net Search Program,
Netscape shall allocate on the Net Search Page at least ___*___ of the premier
random rotation for a link to the Netscape Branded Search Service and,
commencing on the date that Netscape shall launch the 1999/2000 Netscape Program
through the Term, Netscape shall allocate on the Net Search Page at least
___*___ of the premier random rotation for a link to the Netscape Branded Search
Service.

4.3. Netcenter Widget. During the period commencing on the date that Netscape
shall launch the 1998/1999 Net Search Program through the Term and provided that
Netscape includes the Netcenter Widget, Netscape shall produce the Netcenter
Widget in a manner that permits end users to submit a query to Excite's Net
Search Program search engine and in a manner that displays the link to Excite's
Net Search Program search engine in a ___*___ to that of Excite's ___*___ in the
Net Search Program.

5.   DIRECTORY SERVICE

5.1. Directory Service. During the Term, Excite will develop, operate and
maintain a Directory Service for Netcenter. The Directory Service for Netcenter
shall be fully functional on the Launch Date and shall be integrated into the
Co-Branded Channels and such other Channels as Netscape shall designate from
time to time. Except as otherwise agreed by the parties, Excite agrees that the
Directory Service for Netcenter shall be equivalent in function, features and
depth, including, without limitation, taxonomy, and shall be updated no less
frequently than the directory service available through the Excite Brand
Service, subject to Netscape's selection of directory features or functionality
pursuant to Section 3.1.

5.2. Taxonomy of Directory Service for Netscape Channels. Excite will provide
the capability for Netscape to deliver a subject based directory service that
would be presented to the user outside the context of a Channel. Excite will
also provide the capability for Netscape to deliver an alphabetically-based
directory service. To the extent that Excite develops a time-based or
location-based directory service for its own purposes, Excite will provide the
capability for Netscape to deliver these directories as well. Excite will
provide "cuts" of the directory to be integrated into the Netscape channels. The
technical teams will work in good faith to assure timely updates to the Netscape
Directory Service. Netscape may, with the assistance of Excite, determine the
taxonomy contained in any Directory Service to be included by Netscape in a
Channel (other than Co-Branded Channels). At Netscape's request from time to
time, upon reasonable advance notice to Excite, Excite shall modify and enhance
the taxonomy of any Directory Service included by Netscape in a Channel (other
than Co-Branded Channels). Netscape and Excite will cooperate in good

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


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                                                CONFIDENTIAL TREATMENT REQUESTED

faith to establish a schedule to promptly implement changes to the Directory
Service necessary to comply with Netscape's revisions.

5.3. Directory Service Pages. Each Directory Service Page will (i) be served to
end users that "click" on a category or sub-category of the Directory Service
contained on a page within any Channel or on any Search Results Page or
Directory Service Page, (ii) be produced and managed by Excite, (iii) have a
"netscape.com" domain name (or such other domain name as Netscape may
determine), (iv) reside solely on Excite's *, (v) contain links to
recirculate traffic back to Netcenter based on keyword mapping mutually agreed
to by the parties which, in any event, shall recirculate traffic back to
Netcenter in a manner equivalent to the manner which Excite recirculates traffic
from its directory service pages in the Excite Brand Service back to the Excite
Brand Service to the extent that the Directory Service remains substantially
similar to the Excite Brand Service, and (vi) be consistent with the overall
look, feel and end user experience of Netcenter. All access to the Directory
Service Pages shall be deemed via Netscape's Web Site, and therefore shall be
Netscape traffic for all purposes, including, without limitation, third party
industry measurement metrics (such as * and *). Such Directory Service Pages
shall be Netscape branded; provided, that Excite shall be entitled to include
above the fold of each such Directory Services Page an indication that such page
is "powered by" Excite in a manner substantially similar to, and no greater or
smaller in size or prominence as, the attribution to Excite contained on the pro
forma Directory Service Page attached hereto as Exhibit H.

5.4. Directory Service for Netcenter Front Page. In the event that Netscape
shall determine to employ a directory oriented navigation model for the
Netcenter Front Page, Netscape may provide written notice thereof to Excite.
Upon receipt by Excite of any such notice, Excite agrees to use commercially
reasonable efforts to promptly develop for Netscape, in accordance with
specifications and a development schedule to be determined by the parties in
good faith, such directory oriented navigation model for the Netcenter Front
Page.

5.5. Netscape Programming Directory Service. In the event that Netscape decides
to take over responsibility for programming all or part of the Directory
Service, and upon ample prior notice to Excite and an agreed-upon transition
schedule, Excite shall deliver to Netscape all tools, technologies, and other
engineering resources as shall be reasonably necessary to permit Netscape to
manage, produce, operate, modify and support the Directory Service. In such
event, Excite shall also deliver to Netscape regular updates of Excite's
directory service in order for Netscape to maintain the Directory Service in
Netcenter.

6.   SERVICE IMPLEMENTATION

6.1. Core Services; Classifieds.

     6.1.1. Netscape shall include within the Service and Netscape Channels such
Core Services as Netscape shall from time to time determine. Excite agrees that
Excite shall not include, on any page of the Service, any services or
applications that contain features or functions included in any Core Service,
except for the Internet search and Directory features and functions that are
provided by Excite at Netscape's request and, to the greatest extent possible
that does not conflict with either of the parties' existing obligations,
Excite's Classifieds2000 service will be the provider of classifieds
functionality (excluding career and job posting classifieds) throughout the
Netcenter Service. Excite will make reasonable commercial efforts to provide the
capability either for Netscape or for Excite to facilitate the integration of
the Core Services into the Co-Branded Channels, Netscape Channels, Directory
Service Pages and the Netscape Search Results Pages at the same level of
prominence that these services are integrated into the Excite Brand Service to
the extent Netscape chooses to incorporate features and functionality as
developed by Excite pursuant to Section 3.1. Excite will have the right to sell
sponsorships in "bundles" (including channel sponsorships or ads) for the * that
are integrated into the Co-Branded Channels (i.e. ___*___ in the ___*___). These
chat and discussion forums can be co-branded at Excite's request. All other core
services will be Netscape branded or Netscape co-branded with another third
party.

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* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


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                                                CONFIDENTIAL TREATMENT REQUESTED

     6.1.2. To the greatest extent possible that does not conflict with either
of the parties' existing obligations, Excite's Classifieds2000 service will be
the provider of Classifieds functionality throughout Netcenter (other than
career and/or job areas) and all gross revenue derived from the Classifieds
shall be considered * and will be * to the terms set forth in Exhibit B.

6.2. Production, Technology and Content Programming. The Service shall use
substantially the same technology and advantages as Excite uses in the Excite
Brand Service and Excite's Web Site, subject to Netscape's design choices and
selection of Internet search or directory features or functionality pursuant to
Section 3.1, unless otherwise agreed to by the parties. Excite will adhere to
sub 5-second page delivery to the end user service levels for all pages served
within the Excite delivered portion of the Service. The Service shall not be
disadvantaged or suffer from inferior production, programming, content (unless
Excite is contractually restricted from providing such content to the Service
after having made good faith efforts to eliminate any such restrictions) or
performance relative to the Excite Brand Service. Excite shall in good faith
consider employing in the Service Netscape's technology, if available, rather
than a technology supplied by a Netscape Named Entity which competes with
Netscape products or services, provided that such use of Netscape's technology
does not reduce the performance or production of the Service as compared to
comparable elements of the Excite Brand Service on Excite's Web Site. Excite's
obligation to produce the Service, including production services, technology and
content programming which meet standards established by Excite on Excite's Web
Site and general industry standards, is a material obligation of Excite under
this Agreement. Netscape and Excite agree to work towards a page layout in the
Co-Branded Channels, Search Results Pages and Directory Service Pages which is
consistent with the page layout in Netscape's own Channels and Netcenter.

6.3. [INTENTIONALLY LEFT BLANK] 

6.4. Content Restrictions. 

     6.4.1 Excite agrees that Excite shall not include on any page of the
Service (i) any search field or Directory Service, other than the Netscape
Branded Search Service and the Directory Service provided by Excite to Netscape
pursuant to Section 5.1, (ii) any advertisement, sponsorship, promotion or other
revenue generating links, listings or materials, other than the Service Ad
Inventory or E-Commerce Listings, (iii) any such other links, listings or
materials, except as are approved by Netscape in writing, (iv) E-Commerce
Listings, Service Ad Inventory, directory listings or other links, listings or
materials that serve to an end user any page on the Excite Web Site, subject to
the provisions of Section 6.5.3, (v) any application or service containing
features or functions contained in any Core Service (except for the Internet
search and Directory Service features and functions that are provided by Excite
and, to the greatest extent possible that does not conflict with either of the
parties' existing obligations as of the Effective Date, Excite's Classifieds2000
service, which will be the provider of classifieds functionality (other than
careers) throughout Netcenter, (vi) links, listings or other materials that
serve to an end user any page not within Netcenter, other than Service Ad
Inventory, E-Commerce Listings or other links, listings and materials approved
by Netscape in writing, subject to the provisions of Section 6.5.3, or (vii) any
Service Ad Inventory, E-Commerce Listings or other links, listings or materials
to any content, services or products offered by the Netscape Named Entities that
are directly competitive with content, services or products offered by Netscape.
Any promotion of Netscape Named Entities within these pages must be agreed to by
Netscape in advance of such promotion. On the Effective Date, the parties shall
* Excite Named Entities and Netscape Named Entities.

     6.4.2 Excite will provide carriage to Netscape content and services to be
mutually agreed to by the parties. On Co-Branded Channels, Directory Service
Pages, Classifieds and Netscape Search Results Pages, Excite will refrain from
promoting or providing carriage to content and services directly competitive to
those of Netscape, including the Netscape Named Entities. Netscape will provide
carriage to the Co-Branded Channels in Netscape controlled parts of the Service
as mutually agreed.

     6.4.3 Services and products which directly compete with Excite's Internet
services may not be promoted through advertising, e-commerce or sponsorship
deals or content deals within the pages and services served by Netscape in the
Service. The foregoing restriction shall not apply to: (i) AOL branding that is
integral to Netscape's promotion of Netscape AOL Instant Messenger, (ii)
sub-brands of services offered by any Excite Named Entity, so long as the
primary brand of the competitor does not appear as a component of the sub-brand,
(iii) the Net Search Program, and (iv) other Netscape contractual obligations

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


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                                                CONFIDENTIAL TREATMENT REQUESTED

existing as of the Effective Date. Any other promotion of Excite Named Entities
within these pages must be agreed to by Excite in advance of such promotion.

6.5. Sale of Service Ad Inventory and E-Commerce Listings.

     6.5.1. The Co-Branded Channel for * will provide an integrated set of
commerce properties contributed by Netscape and Excite (based on Channel
allocations). The parties will cooperate in good faith to maximize revenue
from * and ecommerce deals that involve both parties' Netcenter channels. Ad
banners and e-commerce links within Netscape managed content/services will be *
by Netscape. This includes the Netcenter Front Page, Netscape Channels, the Net
Search Page and Directory Service Pages in the Netscape Channels. Excite shall
be responsible for * all advertising, sponsorships and any other promotions
within the Service Ad Inventory and E-Commerce Listings in the Search Results
Pages, Directory Service Pages in the Co-Branded Channels and the Co-Branded
Channels, subject to the then-current Excite guidelines for advertising and
e-commerce partners. As of the Effective Date, Netscape has reviewed and
approved Excite's guidelines. If Excite management approval is required for any
category of advertisements, then Netscape shall also approve of such
advertisement before such advertisement is accepted for posting in the Service.
If Excite wishes to change its guidelines for advertising and e-commerce
partners, Excite shall so notify Netscape and the parties shall mutually agree
to any such change as it pertains to the Service Ad Inventory. The parties will
cooperate in good faith to maximize revenue from shopping and E-commerce deals
that involve both parties' Netcenter Channels. Advertising for * is * in the
Search Results Pages and the Co-branded Channels consistent with Excite's
applicable advertising sales policies.

     6.5.2. Advertising and e-commerce services which Excite shall provide
include sales, order processing, serving Service Ad Inventory and E-Commerce
Listings, billing and collection and reporting pursuant to Section 9.2. In
selling Service Ad Inventory and E-Commerce Listings and providing advertising
and e-commerce services hereunder, Excite will carry out such services with
substantially the same diligence and vigor as it employs when selling,
managing or maintaining similar advertising and e-commerce on its own services
and Web sites. The parties acknowledge that nothing contained herein requires
that Service Ad Inventory or the E-Commerce Listings in the Service and in
Excite's Web Site be offered * .

     6.5.3. All unsold ad banner inventory, after the delivery of any make goods
to advertisers, within the Service Ad Inventory shall be considered house ad
banner inventory. In the normal course of business, Excite may use ___*___ of
this house ad banner inventory to provide Excite's advertising customers with
make goods, provide promotional inventory and make other industry standard uses
of such excess inventory. Excite may also use its share of house inventory to
promote (i) Netcenter, (ii) the Co-Branded Channels and other services offered
by Excite in the Service, or (iii) to a maximum of ___*___ of Excite's share of
the house inventory, Excite's Internet services. Netscape may specify up to
___*___ of its share of the house inventory to promote Netcenter services
(including those co-branded services delivered by Excite). Both parties must
mutually approve any promotion outside these guidelines in advance. Either party
may use its allocation of house inventory as barter to third parties other than
Excite Named Entities or Netscape Named Entities.

     6.5.4. Current Netscape * that fall into Excite channel areas will need to
be * into Excite's Co-Branded Channel for *. Excite will sell all other
categories within the * Channel where Netscape does not * have an * as Netscape
shall * Excite as of the Effective Date. Excite shall comply with * Netscape has
assuming such * of Excite. Should the parties' * the parties shall negotiate a
reasonable solution in good faith.

     6.5.5. Prior to Excite selling any E-Commerce Listings on Directory Search
Pages in a Netscape Channel, Excite shall get Netscape's prior written approval.
For the duration of the term of the such contracts entered into by Excite, the
parties will share revenue for such E-Commerce Listings on the same basis as if
Excite had sold such E-Commerce Listing on the Directory Search Page in a
Co-Branded Channel.

6.6. Content Provider Participation in the Co-Branded Channels. Excite shall
determine the guidelines by which Content Providers may participate in the
Co-Branded Channels, provided such guidelines comply

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       10

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                                                CONFIDENTIAL TREATMENT REQUESTED

with Netscape's specifications. With respect to each Content Provider that may
or does participate in the Co-Branded Channels, Excite will be responsible for
administering each such Content Provider's application and compliance with the
guidelines. If any such Content Provider fails to come into compliance after
receipt of notification, Netscape shall direct Excite to reduce or remove the
listing of a non-complying Content Provider.

6.7. Technical Support by Excite. During the Term, Excite shall provide
technical support services for the Service to Netscape on a timely basis,
appoint a technical contact to whom Netscape may address all technical questions
relating to the Service, and use its commercially reasonable efforts to promptly
remedy any material malfunctioning of the Service. Excite shall perform such
technical support in accordance with the terms set forth in Exhibit D, or as
otherwise provided herein. Excite shall be responsible for subscribers'
maintenance and support requirements in connection with the Service. Excite
shall be solely responsible for the purchase, implementation, maintenance and
support of all software and hardware required to fulfill its obligations under
this Agreement.

6.8. Netscape Technical Support. During the Term, Netscape shall provide
technical support services to Excite for the interaction between the Service and
other areas of Netcenter on a timely basis, appoint a technical contact to whom
Excite may address all technical questions relating to the technical interface
between such areas and use its commercially reasonable efforts to promptly
remedy any material malfunctioning of areas of Netcenter that interact with the
Service. Netscape shall be responsible for subscribers' maintenance and support
requirements in connection with Netscape's Web Site other than the Service.
Netscape shall be solely responsible for the purchase, implementation,
maintenance and support of all software and hardware required to fulfill its
obligations under this Agreement.

6.9. Proprietary Rights. If either party has contributed to the Service or the
Net Search Program intellectual property rights owned by that party, including,
without limitation, the Excite Graphic, the other party shall be granted a
royalty-free, worldwide license, without payment or other charge therefor, to
use, display, perform, reproduce and distribute such intellectual property
solely in connection with the Service and the Net Search Program for the
duration of the term of the Agreement, unless otherwise provided herein.
Copyrighted elements contained in a Service and the Net Search Program shall be
the property of the copyright owner.

6.10. Ownership. The Excite Licensed Technology, including, without limitation,
all intellectual property rights therein, shall be owned by Excite. Subject to
Excite's ownership of the Excite Licensed Technology, * to the Excite Licensed
Technology during the term of the Agreement, including, without limitation, all
intellectual property rights therein, * . After the term of the Agreement,
subject to the technology license described in Section 13 and Exhibit F, * to
the Excite Licensed Technology developed by or on behalf of Netscape, including,
without limitation, all intellectual property rights therein, * . The user
interface of the Netscape Branded Search Service, including, without limitation,
all intellectual property rights therein, shall be owned by Netscape. The
Netscape Licensed Technology, including, without limitation, modifications and
all intellectual property rights therein, shall be owned by Netscape. Other
copyrighted elements contained in the Service and the Net Search Program shall
be the property of the copyright owner. Except as otherwise provided in this
Section 6.10, jointly developed or conceived intellectual property rights shall
be owned as the parties shall, in good faith, agree.

7.   END USER REGISTRATION AND CUSTOMER SUPPORT

7.1. User Registration. End users who wish to engage in certain activities in
the Co-Branded Channels may have to register as described in Exhibit A, as such
Exhibit may be revised by Netscape from time to time. Netcenter members will be
able to register for appropriate co-branded content through the personalization
offering. Netscape will develop the end user personalization offering. Until
such time as Netscape's personalization offering is developed, which is
estimated to be 90 days after the Launch Date, Excite may use its
personalization technology to provide personalization functions within the
Co-Branded Channels. Once the Netscape personalization offering is available,
Excite agrees to transition to Netscape's personalization offering in the
Co-Branded Channels after the availability of Netscape's personalization
offering according to a mutually determined schedule and transition plan. To
facilitate this transition, Netscape will give Excite as much advance notice of
the completion and specifications of the personalization offering as reasonably
possible and the parties will cooperate in good faith on hosting,

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       11

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                                                CONFIDENTIAL TREATMENT REQUESTED

transition and implementation issues. The co-branded content for which users
register on Netcenter channels maintained by Excite will be integrated with
Netscape's member directory and personalization offering. Excite will support
Netscape's personalization through the deployment of Netscape LDAP/NIB software
and use of the Netscape personalization schema. Excite will support Netscape
personalized summaries through the deployment and provision of RDF+ based
summaries of content provided through the Excite Co-Branded Channels as
Netscape's personalization technology is developed. The user registration page
will be linked to the Netcenter Front Page as well as all other appropriate
pages in the Service as Netscape shall determine. Any and all information
regarding end users that is obtained by Excite through, or in connection with,
the Service will be subject to the terms and conditions of Exhibit A.

7.2. Netcenter Customer Support Programs. Excite shall provide customer support
features in the Co-Branded Channels consistent with Netscape's then current
customer support policies or as otherwise mutually agreed. Netscape may develop
additional Netcenter features and programs to help promote sales and customer
loyalty, and Excite shall implement such services and features when they are
developed, provided such implementation be reasonable and standard for
participants in Netcenter.

8.   NETSCAPE PRODUCTS AND TECHNOLOGY

8.1. Optimize for Netscape Technology. In consideration of Excite participating
as an integral service partner within a core area of Netcenter and in order to
optimize the efficiency of the Service, during the Term:

     8.1.1. Within all aspects of the Service, Excite shall ensure compatibility
with Netscape-released client software used by Netcenter members, especially the
latest Netscape-released version of Netscape Communicator client software or any
successor;

     8.1.2. Excite shall implement within the Service a dynamic HTML interface
or the then current client software technology within the beta testing period of
the client software. Such dynamic HTML features shall be positioned in at least
one prominent content area within the Service and be operational and publicly
accessible at the time of the release of the new Netscape client products;

     8.1.3. Excite shall consider the use of at least * of Netscape *
product (currently Netscape *) to maintain Excite's Web Site;

     8.1.4. Within the Service, Excite shall not promote any client and server
software or online service that directly competes with Netscape's software or
service;

     8.1.5. Excite shall display the "Netscape Now" button (or any successor
button) prominently on the * of Excite's Web Site, on * Service, and on any
page on * which contains a * or * for any *. On any page on which the
Netscape Now button is displayed, the Netscape Now button shall be at least *
to the virtual button, text link or graphic for any *. Netscape hereby grants
Excite a nonexclusive and nontransferable license to perform and display the
Netscape Now button directly in connection with fulfilling the foregoing
obligation. Excite's use of the Netscape Now button shall be in accordance with
the guidelines of the Netscape Now Program currently published at the URL
http://home.netscape.com/comprod/mirror/netscape_now_guidelines.html. Excite's
course of dealing with respect to other services it may operate shall be
governed by the terms of Section 8.2.

8.2. Course of Dealing. In consideration of (i) the use of the netscape.com
domain name for the Service, and (ii) the treatment of the Co-Branded Channels
as a fundamental part of the Netcenter service, until such time as Microsoft
fully publicly documents and makes available its operating systems' programming
interfaces sufficiently to enable Netscape to make use of all of the facilities
and resources of those operating systems on a basis equal to that of Microsoft,
Excite shall:

     8.2.1. Within Excite.com, not accord Microsoft's Internet Explorer product
a position of preference and prominence, overall as well as on an element by
element basis, greater than that accorded Netscape and its products and
services; and

     8.2.2. Not make content available solely to users of client software or
services other than Netscape's, or disfavor or disadvantage users of Netscape
client software or services in any way relative to users of other Internet
client software or services.

9.   JOINT ACTIVITIES

9.1. Quarterly Reviews of the Service. Netscape and Excite agree to establish
quarterly reviews of the Service to evaluate the success of the Service and
agree to modifications and improvements to the Service.

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* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


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                                                CONFIDENTIAL TREATMENT REQUESTED

9.2. Reporting. Excite will provide on-line, password protected access to a
daily user access log report (updated weekly) in common log format describing
the total number of page impressions for each of the pages in the Service, and
such other tracking information as the parties shall mutually agree, and (ii)
Netscape shall provide Excite with on-line, password protected access to reports
describing the number of redirects of traffic to the Co-Branded Channels from
Netscape's Web Site and such other tracking information as the parties shall
mutually agree. The information contained in the reports and logs shall be
maintained online for six (6) months and archived thereafter, and will be deemed
the Confidential Information of both parties for the purpose of the Confidential
Disclosure Agreement, provided, however that Netscape shall have the right to
use the information contained in such reports in Netscape's private and public
reporting of access to the Service and Netscape's Web Site.

9.3. Audit Rights. Excite shall retain complete, clear and accurate records
regarding its activities under this Agreement and the amount of Revenues. Each
April and October during the Term, the parties shall review the financial
results for the Service and access logs. Netscape shall have the right, upon no
less than 15 days prior written notice to Excite, to cause an independent
Certified Public Accountant to inspect and audit, during Excite's normal
business hours, all relevant records of Excite upon which Excite's revenue
reports for the Service are based and the access logs. The information contained
in the revenue reports and access logs will be deemed the Confidential
Information of Excite for the purpose of the Confidential Disclosure Agreement.
The costs of such audit shall be paid by Netscape, provided, however, that if
said inspection shall reveal an underreporting in excess of 5% in monies due to
Netscape by Excite or an annual underreporting in excess of 5% in traffic to the
Service as compared to any underreporting experienced by Excite on the Excite
Brand Service, Excite shall pay for the audit plus any underpayment and make
adjustments based on the underreporting of traffic, if applicable. Netscape's
audit rights as described herein shall continue for 2 years after the expiration
or termination of the Term.

9.4. Marketing Commitments; Press Plans.

     9.4.1 Netscape will provide promotions of Co-Branded Channels across the
Netcenter service in prominent locations, on the Netcenter Front Page and in
promotional inventory. On the Netcenter Front Page and across Netcenter,
Netscape will not disadvantage the promotion of the Co-Branded Channels relative
to Netscape branded channels in its overall site promotion plans.

     9.4.2 The home page of Netscape's Web Site will be Netscape branded only
and neither Excite nor any Excite Named Entity will have any branding on the
home page of Netscape's Web Site, with the exception of (i) AOL branding that is
integral to Netscape's promotion of Netscape AOL Instant Messenger or (ii)
sub-brands of services offered by any Excite Named Entity, so long as the
primary brand of the competitor does not appear as a component of the sub-brand.

     9.4.3 Excite will create and maintain any marketing collateral required for
supporting the sales of the Co-Branded Channels, Netscape Search Results Pages
and the Directory Services Pages in the Co-Branded Channels.

     9.4.4 Excite and Netscape agree to participate in a joint press
announcement regarding the Service which will take place on a mutually agreed
upon date. The parties shall agree to the form and content of the joint press
release. Either party may issue its own press release, subject to the other
party's prior approval of the content within the release. With respect to major
advertising and marketing deal announcements regarding the Service, Netscape and
Excite shall have 48 business hours to respond, in writing, to any proposed
announcement. In any press announcement regarding the Service, both Excite's and
Netscape's names shall be included in the press release, and the names shall
appear with equal prominence.

10.  CONSIDERATION

For the benefits provided to Excite under this Agreement, Excite shall (i) pay
Netscape the Payment in the amount and subject to the terms set forth in Exhibit
B and, (ii) concurrently with the execution of this Agreement, enter into with
Netscape that certain Warrant Purchase Agreement attached hereto as Exhibit I
and, in accordance with the terms thereof, issue Excite warrants to Netscape.

11.  EXPOSURE GUARANTEES

11.1 Quarterly Review. The parties agree to meet every quarter to review, and
adjust annually as necessary, the Net Search and Netcenter Widget rotations to
ensure delivery of the applicable impression and click-though guarantees.

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


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                                                CONFIDENTIAL TREATMENT REQUESTED

11.2 * Guarantee. For Excite-branded Net Search, Netscape will make a traffic
guarantee of * over * . After * of such traffic guarantee is exceeded and upon
reasonable advance notice from one party to the other, the parties may mutually
agree to * Excite's rotation of Net Search Page * to control any * , and in such
case Netscape has the right to * search engine * on the Net Search Page. In the
event Netscape delivers Excite-branded Net Search Page * in excess of the
applicable * guarantee, Excite will pay Netscape for the excess * pursuant to
Exhibit B.

11.3 * Guarantee. Netscape will guarantee * from the * for Excite search. After
* of such * guarantee is exceeded and upon reasonable advance notice from one
party to the other, the parties may mutually agree to reduce Excite's exposure
in the * to control any * , and in such case Netscape has the
right to * search engine * within the * . In the event Netscape
delivers * in excess of the applicable annual * , Excite will pay Netscape for
the * pursuant to Exhibit B. Excite's placement in the * for the * of the term
of the Agreement. After the * of the Term of the Agreement, Netscape may remove
Excite from the *, so long as (i) Netscape also * from the *
and (ii) any * for Excite's portion of the * not delivered at the time Excite is
removed from the * will be * by delivering * the Excite-branded
search offering within Net Search Program.

11.4. * Guarantee. For Netscape Branded Net Search, Netscape will make a * of *.
Excite will pay Netscape in accordance with the terms set forth in Exhibit B.

11.5. * Guarantee. For Co-Branded Channels in Netcenter, Netscape will * of *
over * . Excite will pay Netscape in accordance with the terms set forth in
Exhibit B.

11.6 * Channels. Netscape will guarantee an additional * in the Net
Search Program area in consideration for the channels Excite * as
of the Effective Date. * will be allocated to Excite-branded search, and * .
Excite will pay Netscape in accordance with the terms set forth in Exhibit B.

11.7 No Adverse Change. Netscape will not change the form or function of the Net
Search page in a manner that materially adversely affects the performance of the
program as compared to its performance at the time the Agreement is executed. In
the event that Excite experiences adverse changes to its traffic from the Net
Search page following a change by Netscape to the form or function of the Net
Search page, Excite will promptly notify Netscape of the magnitude of the
change. Netscape will have ten (10) business days from receipt of Excite's
notice to * of the Net Search page * by Excite. Excite will reasonably cooperate
with Netscape in * in performance. Netscape will credit Excite with make good
impressions on the Net Search page to compensate Excite for traffic decreases
experienced by Excite for the period of time beginning on receipt of notice to
Netscape until the restoration of performance.

11.8 Make Goods. The make goods on all guaranteed impressions or click-throughs
will be delivered by Netscape continuing each under-delivered placement beyond
the term of the Agreement until the guaranteed amount associated with that
placement has been delivered. The make goods described in this Section shall be
Excite's sole and exclusive remedy with regard to the under-delivery of
impressions and/or click-throughs.

11.9 *. For Co-Branded Channel * traffic, traffic sources will
include Channel click-through from the Netcenter Front Page, ad banners, other
promotions, bookmarks, recirculation from other parts of Netcenter and other
forms of organic traffic generation that result in a unique visit to the
Co-Branded Channels.

12.  HARMFUL CONTENT

Excite is solely responsible for any liability arising out of or relating to (i)
Excite's Content and/or (ii) any material under Excite's control to which
users can link through Excite's Content. Excite represents and warrants that
it holds the necessary rights to permit the use of Excite's Content by Netscape
for the purpose of this Agreement; and that Excite's Content and any material
under Excite's control to which users can directly link through Excite's
Content will not violate any applicable laws or rights of any third parties. If
Netscape is aware that Excite's Content or Excite's Web Site contains any
material that Netscape deems likely to cause Netscape material harm, Netscape
will inform Excite and may (i) not include Excite's Content at issue in the
Service, and/or (ii) terminate this Agreement if Excite has not revised to
Netscape's

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       14

<PAGE>   15

                                                CONFIDENTIAL TREATMENT REQUESTED

satisfaction Excite's Content within five (5) business days after receipt of
written notice from Netscape. Netscape reserves the right not to include in the
Service any Excite's Content that does not substantially conform to the terms
set forth herein.

13.  EXCITE LICENSED TECHNOLOGY

13.1. Deliverables. Upon the earlier of (i) * or (ii) the * of the Agreement
(subject to Section 18.4), Excite shall deliver to Netscape one complete and
accurate copy of the Excite Licensed Technology as set forth in Exhibit F.

13.2. License Rights. Subject to the terms and conditions of this Agreement,
Excite hereby grants to Netscape a perpetual, worldwide, royalty-free,
irrevocable, nonexclusive right and license to utilize the Excite Licensed
Technology, the rights to do as follows:

     13.2.1. use, modify, enhance, create derivative works and subsets of,
reproduce and translate the Excite Licensed Technology;

     13.2.2. compile all or any portion of the source code versions of the
Excite Licensed Technology into object code versions through the use of any
Netscape or other third-party compiler or other technology;

     13.2.3. use the Excite Licensed Technology to run Netscape's or a third
party's website which it branded or at least co-branded with the Netscape brand;
and

     13.2.4. sublicense any of the rights or licenses granted in this Section
13.2.

13.3. Support of Excite Licensed Technology. Upon delivery of the Excite
Licensed Technology by Excite to Netscape in accordance with Section 13.1,
Excite shall, at no charge to Netscape, provide sixty (60) person days of
engineering support. Excite shall provide to Netscape all "bug" fixes and error
corrections to the Excite Licensed Technology that are developed by or for
Excite. Additional support and engineering services will be provided by Excite
to Netscape, at Netscape's request from time to time, upon terms mutually agreed
to by the parties.

13.4 Source Code Escrow. As soon as reasonably practical after the Effective
Date, the parties will enter into a source code escrow agreement with a
nationally-recognized escrow agent, specifying the terms, conditions and
procedures under which the Excite Licensed Technology could be released to
Netscape in the event of certain events that would reasonably be considered to
jeopardize Netscape's rights to the Excite Licensed Technology hereunder.

14.  NETSCAPE LICENSED TECHNOLOGY

14.1. Deliverables. During the Term, as soon as commercially practicable after
Netscape uses any Netscape Licensed Technology in connection with the production
or operation of Netcenter, Netscape shall deliver to Excite the Netscape
Licensed Technology set forth in Exhibit E.

14.2. License Rights. Subject to the terms and conditions of this Agreement,
Netscape hereby grants to Excite a nonexclusive, nontransferable right and
license (with no right to sublicense) to use the Netscape Licensed Technology in
connection with the development, production, programming, operation and
maintenance of the * during the *.

14.3. Support. Upon initial delivery of the Netscape Licensed Technology by
Netscape to Excite in accordance with Section 14.1, Netscape shall, at no charge
to Excite, provide * person days of engineering support.

14.4. Netscape Application Server (NAS)/KIVA Software. On the Effective Date,
Netscape grants Excite a * , nonexclusive and non-transferable license (with no
right to sublicense) to use, for Excite's * only, in accordance with the terms
set forth in the Netscape end user license agreement provided with such
software, the executable code of the Netscape Application Server (NAS) software
for up to * on any platform commercially available as of the Effective Date.
This license does not include any * . Notwithstanding anything to the contrary
set forth in this Section 14, all rights and licenses to the Netscape
Application Server (NAS) software shall be governed by the terms and conditions
of Netscape's standard end user license agreement included by Netscape with the
delivery of such software.

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       15

<PAGE>   16

                                                CONFIDENTIAL TREATMENT REQUESTED

15.  WARRANTIES

15.1. Performance. Excite warrants that (i) it has the right to perform the
services set forth in this Agreement, (ii) such performance does not infringe on
any third parties' proprietary or personal rights, and (iii) other than as
specifically set forth in this Agreement, Netscape shall not be obligated to pay
any fees or royalties for including the Service in Netcenter. Excite warrants
that the Service will function substantially in accordance with the terms set
forth in this Agreement. In any given * during the Service Period, the Service
shall have an uptime of at least * with industry standard downtime for
maintenance. Excite shall repair any malfunctions of the Service within a
reasonable period of time (not to exceed 2 days) after notice by any party of
such condition. Netscape warrants that (i) it has the right to perform the
services set forth in this Agreement, and (ii) Excite shall not be obligated to
pay any fees or royalties for participating in Netcenter other than as
specifically set forth in this Agreement. Netscape warrants that Netcenter will
function substantially in accordance with the terms set forth in this Agreement.
In any given * during the Service Period, Netcenter shall have an uptime of at
least * with industry standard downtime for maintenance. Netscape shall repair
any malfunctions of Netcenter within a reasonable period of time (not to exceed
2 days) after notice by any party of such condition.

15.2. Disclaimer. THE WARRANTIES PROVIDED BY THE PARTIES HEREIN ARE THE ONLY
WARRANTIES PROVIDED BY THE PARTIES WITH RESPECT TO THE SUBJECT MATTER OF THIS
AGREEMENT. SUCH WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES BY THE PARTIES,
EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE SUBJECT MATTER OF THIS AGREEMENT.
THE NETSCAPE LICENSED TECHNOLOGY AND EXCITE LICENSED TECHNOLOGY ARE PROVIDED "AS
IS," "WITH ALL FAULTS," WITHOUT WARRANTY OF ANY KIND AND NETSCAPE AND EXCITE,
RESPECTIVELY, DISCLAIM ALL OTHER WARRANTIES RELATED THERETO, EXPRESS OR IMPLIED,
INCLUDING WITHOUT LIMITATION THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. NEITHER PARTY
WARRANTS THAT THE NETSCAPE LICENSED TECHNOLOGY OR EXCITE LICENSED TECHNOLOGY IS
ERROR-FREE OR THAT ITS OPERATION WILL BE SECURE OR UNINTERRUPTED.

16.  INDEMNITY

16.1. Excite Indemnity. Excite shall indemnify, hold harmless and defend
Netscape from and against any and all claims, liabilities, losses, damages,
expenses and costs (including reasonable attorneys' fees and costs) arising out
of or relating to the * to which users can * through Excite's Content, or other
information supplied or managed by Excite (other than the Excite Licensed
Technology), or the negligence or intentional wrongdoing of Excite, except to
the extent that Netscape is responsible under Section 16.2. Excite will pay
resulting costs, damages and legal fees finally awarded in such action in a
court or in a settlement which are attributable to such claim provided that: (i)
Netscape promptly notifies Excite in writing of any such claim; (ii) Excite has
sole control of the defense and all related settlement negotiations, and (iii)
Netscape cooperates with Excite, at Excite's expense, in defending or settling
such claim.

16.2. Netscape Indemnity. Netscape shall indemnify, hold harmless and defend
Excite from and against any and all claims, liabilities, losses, damages,
expenses and costs (including reasonable attorneys' fees and costs) arising out
of or relating to the * portions * (and not including the Service, Excite's
Content and any * to which users can * through Excite's Content), any content
(other than the * and the *) provided by Netscape to Excite for use in the
Service in accordance with this Agreement, or the negligence or intentional
wrongdoing of Netscape, except to the extent that Excite is responsible under
Section 16.1. Netscape will pay resulting costs, damages and legal fees finally
awarded in such action in a court or in a settlement which are attributable to
such claim provided that: (i) Excite promptly notifies Netscape in writing of
any such claim; (ii) Netscape has sole control of the defense and all related
settlement negotiations, and (iii) Excite cooperates with Netscape, at
Netscape's expense, in defending or settling such claim.

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       16

<PAGE>   17

                                                CONFIDENTIAL TREATMENT REQUESTED

17.  LIMITATION OF LIABILITY

EXCEPT IN CONNECTION WITH EACH PARTY'S INDEMNIFICATION OBLIGATIONS SET FORTH IN
SECTION 16 OR A BREACH BY EITHER PARTY OF ITS CONFIDENTIALITY OBLIGATIONS AS
DESCRIBED IN SECTION 19.1, IN NO EVENT WILL EITHER PARTY BE LIABLE TO THE OTHER
FOR LOST PROFITS OR ANY FORM OF INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES OF ANY CHARACTER FROM ANY CAUSES OF ACTION OF ANY KIND WITH RESPECT TO
THIS AGREEMENT WHETHER BASED ON BREACH OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
OR OTHERWISE, AND WHETHER OR NOT THE OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. THE LIABILITY OF EITHER PARTY FOR DAMAGES OR ALLEGED
DAMAGES HEREUNDER (EXCEPT FOR DAMAGES OR ALLEGED DAMAGES ARISING UNDER SECTION
16), WHETHER IN CONTRACT OR TORT OR ANY OTHER LEGAL THEORY IS LIMITED TO AND
SHALL NOT EXCEED THE AMOUNT * TO NETSCAPE UNDER THIS AGREEMENT.

18.  TERM AND TERMINATION

18.1. Term. Unless earlier terminated pursuant to the provisions of Section 12,
Section 18 or as described in Exhibit A, this Agreement shall begin on the
Effective Date and end on the last day of the Service Period.

18.2. Termination for Cause. Either party shall have the right to terminate this
Agreement upon a material default by the other party of any of its material
obligations under this Agreement, unless within 30 calendar days after written
notice of such breach the breaching party remedies such default.

18.3. Rights Upon Termination or Expiration. Upon expiration or termination of
this Agreement, Excite and Netscape shall jointly own the information regarding
end users as described in Exhibit A. Netscape shall have the right, without any
additional payment, charge or royalty to Excite, to produce versions of the
Service which do not include Excite's proprietary technology, logo or name but
which might employ a graphic user interface which is substantially similar to
the graphic user interface of the Service. In order to continue to offer a
successor to the Service within Netcenter without interruption, Excite shall
promptly deliver Service-related information to Netscape or its designee. In
addition to the right to receive amounts payable at the time of the termination
or expiration of this Agreement, Section 6.9 ("Proprietary Rights"), Section
6.10 ("Ownership"), Section 7.1 ("User Registration"), Section 9.3 ("Audit
Rights"), Section 12 ("Harmful Content"), Section 13.2 ("License Rights"),
Section 15 ("Warranties"), Section 16 ("Indemnity"), Section 17 ("Limitation of
Liability"), Section 18.3 ("Rights Upon Termination or Expiration"), Section 19
("General"), and provisions in Exhibits attached hereto that provide for their
survival, shall survive the termination or expiration of this Agreement for any
reason. Provisions of other Sections which, by their nature, must remain in
effect beyond the termination or expiration of this Agreement, shall also
survive termination or expiration of this Agreement for any reason.

18.4 *

     18.4.1 In the event of acquisition of * or any affiliate (wholly or
majority owned) of such company, Excite shall give Netscape prompt notice, and
Netscape may at its option: * rights to the * immediately, ask Excite to * the
Service for a * period of * after the close of the *, and * the Agreement
following the above. All such * will consist of a * of all day to day
operational responsibilities such that the partners can continue to pursue their
businesses *. If Netscape * the agreement, Netscape will pay Excite the * of
amortization on * , and all * by Excite related to any * as a result of this *
and * by Netscape on account of Excite's * , when such revenue is realized by
Netscape. * , Excite will have * into a new agreement that preserves Excite's
Net Search Program and Netcenter Widget rotations at the * specified herein for
the shorter of (i) twelve (12) months after the termination of this Agreement or
(ii) what * remainder of the term of the Agreement and any * applicable to
Excite's Net Search Program and Netcenter Widget rotations pursuant to Section
11.8.

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       17

<PAGE>   18

                                                CONFIDENTIAL TREATMENT REQUESTED


     18.4.2 In the event of * of Netscape by * , Netscape shall give Excite
prompt notice, and Excite may, at its option, * the agreement. If Excite elects
to * the agreement, Excite will continue to operate the Service for a * period
of * days after the close of * . All such * will consist of a * of all day to
day operational responsibilities such that the partners can continue to pursue
their businesses * . If Excite elects to terminate, Netscape will pay Excite the
* on Excite's * , and all * incurred by Excite related to any * as a result of
this *  * booked by Netscape on account of Excite's * , when such revenue is
realized by Netscape. Except as set forth below, Netscape * license to the
Excite * pursuant to Section 13. However, if Excite * , Excite will have the *
into a new agreement that preserves Excite's Net Search Program and Netcenter
Widget rotations for what * the remainder of the term of the Agreement at the *
specified herein, provided if Excite * its technology pursuant to Section 13.
Netscape will inform Excite of which elements of * Netscape desires to * within
30 days of being notified of Excite's election.

     18.4.3 In the event that Netscape * company that is an * , Netscape shall
give Excite prompt notice, and Excite may, at its option, * the agreement. If
Excite elects to * the agreement, Excite will continue to operate the Service
for a * period of * after the close of the * . Any such * will consist of a * of
all day to day operational responsibilities such that the parties can continue
to pursue their businesses * . If Excite elects to * , Netscape will pay Excite
the * on * by Excite related to any * as a result of this termination * booked
by Netscape on account of Excite's * , when such revenue is realized by
Netscape. Except as set forth below, Netscape * any license to the * pursuant to
Section 13. However, if Excite * this Agreement, Excite will have the * into a
new agreement that * Excite's Net Search Program and Netcenter * for what * the
remainder of the term of the Agreement at the CPMs specified herein provided
Excite elects to transfer the Excite Licensed Technology pursuant to Section 13.
Netscape will inform Excite of which elements of the * Netscape desires to
license within 30 days of being notified of Excite's election.

     18.4.4. In the event that Excite * * , Excite shall give Netscape prompt
notice, and Netscape may, at its option, * , provided that Netscape will be
allowed to exercise its * , and that Excite will * the Service for a * period of
* days after the close of the * . Any such * will consist of a * of all day to
day operational responsibilities such that the parties can continue to pursue
their businesses * . In the event of termination, Netscape will pay Excite the *
on Excite's * or * , and all * by Excite related to any * as a result of this
termination and * of any revenue booked by Netscape on account of Excite's * ,
when such revenue is realized by Netscape. In the event Netscape * , except in
the event where Excite * , Excite will have the * into a new agreement *
Excite's Net Search Program and Netcenter * at the * specified herein for the *
of (i) * months after the termination of this Agreement or (ii) what the * of
the Agreement and any * applicable to Excite's Net Search Program and Netcenter
Widget rotations pursuant to Section 11.8.

     18.4.5. * in this Section 18.4, * , subcontract or sublicense this
Agreement in its entirety to an entity acquiring the party, * does not * and is
not reasonably anticipated to change the scope of this Agreement or the quality
of the services to be provided hereunder. The * shall notify the other party
prior to any such assignment. Any attempt by either party to assign (by
operation of law or otherwise), subcontract or sublicense this Agreement except
as expressly permitted herein, shall be null and void. The entity managing the
Service subsequent to an assignment hereunder shall affirmatively agree in
writing to honor all commitments concerning the Service.

19.  GENERAL

19.1. Confidentiality. The exchange of Confidential Information (as defined in
the Confidential Disclosure Agreement attached as Exhibit C) under this
Agreement shall be governed by the terms of the Confidential Disclosure
Agreement. In addition to information meeting the definition of Confidential

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       18

<PAGE>   19

                                                CONFIDENTIAL TREATMENT REQUESTED


Information in the Confidential Disclosure Agreement, the contents of this
Agreement and, subject to the terms of Exhibit A, End User Information, shall be
deemed Confidential Information thereunder.

19.2. Insurance. Excite, at its sole cost and expense, shall secure and maintain
adequate insurance coverage as is necessary, as a reasonable prudent
businessperson, for Excite to bear all of its obligations under this Agreement.
Excite's insurance shall be primary to any other insurance Netscape may have.
All insurance shall be written by companies with a current A.M. Best rating of
A-, VI or better.

19.3. Dispute Resolution. Any dispute hereunder will be negotiated between the
parties commencing upon written notice from one party to the other. Settlement
discussions and materials will be confidential and inadmissible in any
subsequent proceeding without both parties' consent. If the dispute is not
resolved by negotiation within 45 days following such notice, the parties will
refer the dispute to non-binding mediation conducted by JAMS/EndDispute in Santa
Clara County, California (the "Venue"). The parties will share the costs of
mediation. If the dispute is not resolved after 45 days of mediation, the
parties will refer the dispute to binding arbitration by JAMS/EndDispute in the
Venue. The results of any arbitration will be final and non-appeallable, except
that either party may petition any court of competent jurisdiction in the Venue
to review any decision relating to intellectual property matters (including the
scope of license rights), vacating or modifying erroneous conclusions of law or
findings of fact not supported by substantial evidence. The arbitrator may
fashion any legal or equitable remedy except punitive or exemplary damages,
which both parties waive. The arbitrator will render a written decision, which
may be entered in and enforced by any court of competent jurisdiction, but which
will have no preclusive effect in other matters involving third parties. The
losing party will pay the costs of the arbitration and the reasonable legal fees
and expenses of the prevailing party, as determined by the arbitrator. The
parties will jointly pay arbitration costs pending a final allocation by the
arbitrator. At any point in the dispute resolution process, either party may
seek injunctive relief preserving the status quo pending the outcome of that
process. Except as noted, the parties waive any right to judicial process.
California law, without regard to its conflict-of-law provisions, will govern
this Agreement. The U.S. Arbitration Act and JAMS/EndDispute rules will govern
the arbitration process. Absent fraudulent concealment, neither party may raise
a claim more than 3 years after it arises or any shorter period provided by
applicable statutes of limitations.

19.4. Notices. All notices required or permitted hereunder shall be given in
writing in the English language and shall be addressed to the respective parties
as set forth on the Cover Sheet and shall either be (i) personally delivered, or
(ii) transmitted by internationally-recognized private express courier, and
shall be deemed to have been given on the date of receipt if delivered
personally, or two (2) days after deposit with express courier. Either party may
change its address for purposes hereof by written notice to the other in
accordance with the provisions of this Subsection.

19.5. Determination of Equivalence. Subject to Netscape's selection of Internet
search and Directory features or functionality pursuant to Section 3.1, the
parties agree that any obligation of Excite herein that is required to be
performed in a manner that is equivalent to, or otherwise commensurate with, the
same level of performance of the Excite Brand Service shall be deemed a material
obligation of Excite. Excite shall be deemed to be in material breach of any
such obligation in the event that the features and functionality of the Excite
Brand Service comparable to Netscape's selected Internet search and Directory
features or functionality pursuant to Section 3.1 shall at any time be rated
higher than Netcenter on * or more of the * , nationally recognized, *
services.

19.6. Miscellaneous. (a) Neither party's waiver of a breach or delay or omission
to exercise any right or remedy shall be construed as a waiver of any subsequent
breach or as a waiver of such right or remedy. (b) This Agreement may be amended
only by a writing signed by both parties. (c) This Agreement creates no agency,
partnership, joint venture, or employment relationship and neither party nor its
agents have any authority to bind the other in any respect whatsoever. (d) All
rights not expressly granted by Netscape to Excite hereunder shall be reserved
by Netscape and all rights not expressly granted by Excite to Netscape hereunder
shall be reserved by Excite. (e) The section headings herein are used for
convenience only and shall have no substantive meaning. (f) In the event any
provision of this Agreement is held by a court or other tribunal of competent
jurisdiction to be unenforceable, such provision shall be reformed only to the
extent necessary to make it enforceable, and the other provisions of this
Agreement will remain in full force and effect. (g) Either party shall be
excused from any delay or failure in performance hereunder, except the payment
of monies by Excite to Netscape, caused by reason of any occurrence or
contingency beyond its

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       19

<PAGE>   20

                                                CONFIDENTIAL TREATMENT REQUESTED

reasonable control, including but not limited to, acts of nature. The
obligations and rights of the party so excused shall be extended on a day-to-day
basis for the period of time equal to that of the underlying cause of the delay.
(h) This Agreement, including the Cover Sheet hereto, constitutes the entire
agreement between the parties concerning the subject matter hereof and
supersedes all prior and contemporaneous agreements, and communications, whether
oral or written, between the parties relating to the subject matter of this
Agreement and all past courses of dealing or industry custom. (i) This Agreement
is written in the English language only, which language shall be controlling in
all respects. (j) This Agreement may be executed in counterparts or by
facsimile, each of which shall be deemed an original and all of which together
shall constitute one and the same agreement.


                                       20

<PAGE>   21

                                    EXHIBIT A
                              END USER REGISTRATION

I.   DEFINITIONS

CO-BRANDED CHANNELS REGISTRATION means the portion of registration that is
specific to the Co-Branded Channels and which collects information pertaining to
the Co-Branded Channels. The functionality and design of the Co-Branded Channels
Registration will be specified by Netscape.

NETCENTER REGISTRATION means the portion of the registration that is maintained,
hosted, and controlled by Netscape and applies to multiple services across
Netcenter. Netcenter Registration includes the assignment of a username,
password, and the collection of core Netcenter user profile data including but
not limited to: First name, Last name, Address, City, State, Country, Zip Code,
Email Address, Age and Gender.

NETSCAPE REGISTRATION means any registration that is maintained, hosted, and
controlled by Netscape and applies to Netscape's Web Site. Netscape Registration
includes the assignment of a username, password, and the collection of core user
profile data including but not limited to: First name, Last name, Address, City,
State, Country, Zip Code, Email Address, Age and Gender.

EXCITE REGISTRATION means any registration that is (i) maintained, hosted, and
controlled by Excite and applies to Excite's Web Site or (ii) maintained, hosted
or controlled by a third party acting at Excite's direction if such registration
is directly linked to the Co-Branded Channels. Excite Registration includes the
assignment of a username, password, and the collection of core user profile data
including but not limited to: First name, Last name, Address, City, State,
Country, Zip Code, Email Address, Age and Gender.

CO-BRANDED CHANNELS LOGOUT - means the process by which a user ends his/her
session within a Co-Branded Channel. The functionality of the Co-Branded
Channels Logout will be specified by Netscape. The Co-Branded Channels Logout
Page is the page a user is served when he/she ends his/her session within a
Co-Branded Channel. Ending a Co-Branded Channel session does not automatically
log a user out of Netcenter. Netcenter will maintain control of the Netcenter
Logout process and Netcenter Logout page.

NETCENTER LOGOUT means the process by which a user completely logs out of
Netcenter. The Netcenter Logout page is the page served when a users chooses to
log out of Netcenter; the content and functionality of such page will be
determined by Netscape.

II.  REGISTRATION PROCESS

End users who wish to participate in certain activities in Netcenter will have
to subscribe through Netscape's Netcenter Registration and Co-Branded Channels
Registration. Excite shall be responsible for the implementation of the
Co-Branded Channels Registration and the integration of the Co-Branded Channels
Registration with Netcenter Registration. The functionality, design, and,
integration of the Co-Branded Channels Registration and Netcenter Registration
will be specified by Netscape and subject to Netscape's terms and conditions as
defined in this Agreement. Such specifications and terms and conditions may be
revised by Netscape from time to time upon notice to Excite. Excite will
implement the changes within a 30 day period unless mutually agreed to
otherwise. The point of entry to the registration area front page shall be
hosted and controlled by Netscape unless otherwise determined by Netscape.

III. REGISTRATION FEATURES

The Co-Branded Channels Registration area shall be co-branded and have a look
and feel which is consistent with the implementation of the registration process
in other sections of Netcenter. Excite shall not launch the Co-Branded Channels
Registration until Netscape has notified Excite in writing that Netscape has
accepted Excite's implementation. Excite shall manage site access using
Netcenter site access models, as such site access models shall be determined by
Netscape from time to time upon notice to Excite. Netscape shall transfer to
Excite * to provide site access to * . Excite will make commercially reasonable
efforts to implement such changes within a 30 day period. End users shall be
informed that they are registering for all of Netcenter and not just for the
Co-Branded Channels. During the Co-Branded Channels Registration process, Excite
shall notify end users about the scope of use by Excite and Netscape of personal
data submitted through the registration process.

IV.  DATA COLLECTION AND TRANSFER

Netscape will determine the data to be collected in the Co-Branded Channels
Registration process considering Excite's recommendations and technical
restrictions. Netscape reserves the right to change such data requirements from
time to time. Excite will make reasonable commercial efforts to implement


                                       21

<PAGE>   22
these changes within 5 working days unless mutually agreed to otherwise. If
Netscape implements a Netcenter loyalty program, Excite shall also offer end
user loyalty selections as part of the Co-Branded Channels Registration process
at Netscape's request. Excite shall deliver to Netscape data collected pursuant
to such loyalty programs in a format and timeframe as Netscape shall determine.

As soon as practicable after the Effective Date, * will provide * with * ,
provided that such * not violate Excite's privacy policy or applicable
contractual obligations in existence as of the Effective Date, and * , provided
that such * not violate Netscape's privacy policy or applicable contractual
obligations in existence as of the Effective Date.

As soon as practicable after the Effective Date, the parties shall establish a
mutually agreeable format and schedule for the * , on the one hand, and * , on
the other, provided that such * occur as promptly as possible and not violate
either party's privacy policy or applicable contractual obligations in existence
as of the Effective Date. If Excite collects * accessing the Co-Branded Channels
in addition to information supplied by the users during the registration
process, * shall be made * in a format and timeframe as the parties shall
mutually agree.

V.   NETCENTER CONSIDERATIONS

Third party programs participating in certain areas of Netcenter shall register
users with Netcenter when the user completes an order, if such user is not
already a registered Netcenter member. If a user is a registered Netcenter
member and accesses an order form for such third party program, Excite shall
prepopulate relevant customer data fields in the customer order form based on
information in the Netcenter database.

VI.  UNSUBSCRIBE

All outbound communications from Excite to end users registered for the
Co-Branded Channels relating to the Co-Branded Channels must offer the end user
the option of unsubscribing from the outbound communication either through the
Co-Branded Channels or through Netcenter. In addition, Excite must offer the end
user a central and consistent interface to unsubscribe, cancel, renew, or sign
up for mutually selected advanced features which may be offered in the
Co-Branded Channels. This central account management interface will be mutually
designed by the parties. Excite must also offer end users a streamlined option
for unsubscribing completely from the Co-Branded Channels.

VII.*

On a going forward basis, Netscape and Excite will * , all subject to the
following restrictions and subject to Excite's and Netscape's privacy policies
and both parties' applicable contractual obligations in existence as of the
Effective Date. Excite and Netscape will make good faith efforts to implement
and maintain consistent*.

During the Term, Excite may not * collected about the * during Co-Branded
Channels Registration, Netcenter Registration or Netscape Registration for any
purpose other than marketing Netcenter programs to the users, * the parties*.

During the Term, Netscape may not * collected about the * during Excite
Registration for any purpose other than marketing Netcenter programs to the
users, * the parties*.

After the Term, both companies may market to * (other than * imposed by the
acquiring party's * at the time the *), provided that such marketing activity
does not violate either party's privacy policy or applicable contractual
obligations in *.

Compliance with one party's privacy policy with regard to * hereunder shall be
deemed a material obligation of the party receiving the * . A party shall be
deemed to be in material breach of the Agreement in the event that it fails to
comply with the originating party's privacy policy with regard to * hereunder.


------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       22

<PAGE>   23

                                    EXHIBIT B

                                  PAYMENT TERMS

The following terms shall have the meaning set forth below:

"EARNED AMOUNTS" means an amount equal to the sum of the aggregate Netscape
Revenue and the aggregate Traffic Payments.

"NETSCAPE REVENUE" means that portion of the Revenues payable by Excite to
Netscape as described below.

"PREPAYMENT" means the sum of * , as described below.

"TRAFFIC PAYMENTS" means the sum of the Net Search Payments and the Netcenter
Widget Payments.

"NET SEARCH PAYMENT" means the product of (a) the number of * of the Excite Net
Search Program premier sampler and (b) * is achieved pursuant to Section 11.2,
and * .

"NETCENTER WIDGET PAYMENTS" means the product of (a) the number of each * from
the Netcenter Widget to Excite's search engine accessible through the Netcenter
Widget and (b) * is achieved, pursuant to Section 11.3, and * .

PAYMENT:

1. Prepayment. Excite agrees to pay Netscape * dollars as the prepayment
("Prepayment") as follows: * upon execution of the Agreement, and * within 60
days thereafter, subject to Section 18.4. As described in the Warrant Purchase
Agreement, attached hereto as Exhibit I, Excite will also provide warrants
valued at $35 million upon signature of the agreement: $25 million of which
warrants will be made available on April 30, 1998, and $10 million of which will
be made available on April 30, 1999.

2. Search Pricing. Net Search page impressions will be priced at * until the
initial Net Search and traffic goals of * impressions are achieved, as described
in Section 11.2. Thereafter, such page impression will be priced at * . The
search * resulting from the Netcenter Widget will be priced at * until the
initial Netcenter Widget goals of * are achieved, as described in Section 11.3.
Thereafter, such * will be priced at * .

3. Payment. Excite agrees to pay to Netscape as the Netscape Revenue * during
the first year commencing on the Launch Date, and * thereafter. Excite agrees to
pay to Netscape all * .

4. Credit Against Payment. After the minimum guarantee for impressions of the
Excite sampler in the Net Search Program set forth in Section 11.2 has been
achieved, Excite shall provide Netscape with an advertising credit equal to * of
the product obtained by multiplying * of the Excite sampler in the Net Search
Program. After the minimum guarantee for * on Excite's search engine in the
Netcenter Widget has been achieved as set forth in Section 11.3, Excite shall
provide Netscape with an advertising credit equal to * of the product obtained
by multiplying * to Excite's search engine through the * . Excite shall, at
Netscape direction, apply the advertising credit outstanding from time to time
against the cost of Netscape's participation in advertising programs on Excite's
Web Site at the rates for such advertising services as set forth on Excite's
advertising rate card. Excite and Netscape shall discuss in good faith, and
mutually agree as to, Netscape's participation in advertising programs on
Excite's Web Site, including, without limitation, the schedule and placement of
Netscape's advertisements on Excite's Web Site.

5. Timing of Payment. No amounts shall be payable by Excite to Netscape pursuant
to paragraph 3, above, until the Earned Amounts shall exceed the Prepayment.
Within 15 days after the end of each calendar quarter during the Service Period,
Excite shall deliver to Netscape a report describing in detail the calculation
of amounts payable by Excite to Netscape pursuant to paragraph 3 above and the
amount of advertising credits pursuant to paragraph 4 above for such calendar
quarter, and shall pay to Netscape such amounts as described above.

6. Currency, Interest and Taxes. All amounts payable hereunder are denominated
in U.S. Dollars, and all amounts payable to Netscape hereunder shall be remitted
in U.S. Dollars. Any portion of the Payment which has not been paid to Netscape
within the applicable time set forth herein shall bear interest

------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       23

<PAGE>   24

at the lesser of (i) 1% per month, or (ii) the maximum amount allowed by law.
All payments due hereunder are exclusive of any applicable taxes. Excite shall
be responsible for all applicable national, state and local taxes, value added
or sales taxes, exchange, interest, banking, collection and other charges and
levies and assessments pertaining to payments other than U.S. taxes based on
Netscape's net income. If Excite is required by law to make any deduction or to
withhold from any sum payable to Netscape by Excite hereunder, (i) Excite shall
effect such deduction or withholding, remit such amounts to the appropriate
taxing authorities and promptly furnish Netscape with tax receipts evidencing
the payments of such amounts, and (ii) the sum payable by Excite upon which the
deduction or withholding is based shall be increased to the extent necessary to
ensure that, after such deduction or withholding, Netscape receives and retains,
free from liability for such deduction or withholding, a net amount equal to the
amount Netscape would have received and retained in the absence of such required
deduction or withholding. This Exhibit shall survive termination or expiration
of this Agreement.


                                       24

<PAGE>   25

                                    EXHIBIT C
                     COPY OF MUTUAL NON-DISCLOSURE AGREEMENT


                                       25

<PAGE>   26

                    MUTUAL CONFIDENTIAL DISCLOSURE AGREEMENT

     WHEREAS, Netscape Communications Corporation ("Netscape") has developed
unique and proprietary computer programs; and

     WHEREAS, Excite, Inc. ("Company") and Netscape wish to discuss a proposed
business relationship between Netscape and Company.

     NOW THEREFORE:

     Each party (the "Receiving Party") understands that the other party (the
"Disclosure Party") has disclosed or may disclose information (including,
without limitation, computer programs, code, algorithms, names and expertise of
employees and consultants, know-how, formulas, processes, ideas, inventions
(whether patentable or not), schematics and other technical, business, financial
and product development plans, forecasts, strategies and information) which, to
the extent previously, presently, or subsequently disclosed to the Receiving
Party is hereinafter referred to as "Proprietary Information" of the Disclosing
Party. All Proprietary Information disclosed in intangible form by the
Disclosing Party shall be marked "confidential" or "proprietary" and all
Proprietary Information disclosed orally or otherwise in intangible form by the
Disclosing Party shall be designated as confidential or proprietary at the time
of disclosure and shall be reduced to a writing marked "confidential" or
"proprietary" and delivered to the Receiving Party within thirty (30) days
following the date of disclosure.

     In consideration of the parties' discussions and any access the Receiving
Party may have to Proprietary Information of the Disclosing Party, the Receiving
Party hereby agrees as follows:

     1. The Receiving Party agrees (i) to hold the Disclosing Party's
Proprietary Information in confidence and to take all necessary precautions to
protect such Proprietary Information, (ii) not to divulge any such Proprietary
Information or any information derived therefrom to any third person, (iii) not
to make any use whatsoever at any time of such Proprietary Information except to
evaluate internally whether to enter into the currently contemplated business
relationship with the Disclosing Party, (iv) not to remove or export any such
Proprietary Information from the country of the Disclosing Party, and (v) not to
copy or reverse engineer, reverse compile or attempt to derive the composition
or underlying information of any such Proprietary Information. The Receiving
Party shall limit the use of and access to the Disclosing Party's Proprietary
Information to the Receiving Party's employees who need to know such Proprietary
Information for the purpose of such internal evaluation and shall cause such
employees to comply with the obligations set forth herein. The Receiving Party
shall treat the Proprietary Information with at least the same degree of care
and protection as it would use with respect to its own proprietary information.
The foregoing obligations shall survive for a period of three (3) years from the
date of disclosure of the Proprietary Information. Without granting any right or
license, the Disclosing Party agrees that the foregoing shall not apply with
respect to information that (i) is in the public domain and is available at the
time of disclosure or which thereafter enters the public domain and is
available, through no improper action or inaction by the Receiving Party or any
affiliate, agent or employee of the Receiving Party, or (ii) 



<PAGE>   27

was in the Receiving Party's possession or known by it prior to receipt from the
Disclosing Party, or (iii) was rightfully disclosed to the Receiving Party by
another person without restriction, or (iv) is independently developed by the
Receiving Party without access to such Proprietary Information, or (v) is
required to be disclosed pursuant to any statutory or regulatory authority,
provided the Disclosing Party is given prompt notice of such requirement and the
scope of such disclosure is limited to the extent possible, or (vi) is required
to be disclosed by a court order, provided the Disclosing Party is given prompt
notice of such order and provided the opportunity to contest it.

     2. Immediately upon (i) the decision by either party not to enter into a
business relationship, or (ii) a request by the Disclosing Party at any time,
the Receiving Party will turn over to the Disclosing Party all Proprietary
Information of the Disclosing Party and all documents or media containing any
such Proprietary Information and any and all copies or extracts thereof. The
parties understand that nothing herein (i) requires the disclosure of any
Proprietary Information, which shall be disclosed, if at all, solely at the
option of the Disclosing Party, or (iii) requires either party to proceed with
any proposed transaction or relationship in connection with which Proprietary
Information may be disclosed.

     3. Except to the extent required by law, neither party shall disclose the
existence or subject matter of the negotiations or business relationship
contemplated by this Agreement.

     4. The Receiving Party acknowledges and agrees that due to the unique
nature of the Disclosing Party's Proprietary Information, there may be no
adequate remedy at law for any breach of its obligations. The Receiving Party
further acknowledges that any such breach may allow the Receiving Party or third
parties to unfairly compete with the Disclosing Party resulting in irreparable
harm to the Disclosing Party and, therefore, that upon any such breach or any
threat thereof, the Disclosing Party shall be entitled to seek appropriate
equitable relief in addition to whatever remedies it may have at law. The
Receiving Party will notify the Disclosing Party in writing immediately upon the
occurrence of any such unauthorized release or other breach.

     5. Neither party acquires any intellectual property rights under this
Agreement or through any disclosure hereunder, except the limited right to use
such Proprietary Information in accordance with this Agreement. No warranties of
any kind are given with respect to the Proprietary Information disclosed under
this Agreement or any use thereof, except as may be otherwise agreed to in
writing.

     6. This Agreement supersedes all prior discussions and writings with
respect to the subject matter hereof, and constitutes the entire agreement
between the parties with respect to the subject matter hereof. No waiver or
modification of this Agreement will be binding upon either party unless made in
writing and signed by a duly authorized representative of each party and no
failure or delay in enforcing any right will be deemed a waiver. In the event
that any of the provisions of this Agreement shall be held by a court or other
tribunal of competent jurisdiction to be unenforceable, the remaining portions
hereof shall remain in full force and effect. This Agreement shall be governed
by the laws of the State of California without regard to conflicts of 



<PAGE>   28

laws provisions thereof and each party submits to the jurisdiction and venue of 
any California State or federal courts generally serving the Santa Clara county 
area with respect to the subject matter of this Agreement.


NETSCAPE COMMUNICATIONS                  EXCITE, INC.
CORPORATION

By: /s/  Mike Homer                      By: /s/ George Bell
   ------------------------------           ------------------------------

Address:                                 Address:

501 East Middlefield Road                555 Broadway
Mountain View, CA  94043                 Redwood City, CA  94063

Date: April 3, 1997                      Date: April 3, 1997

<PAGE>   29

                                    EXHIBIT D
                             PRIORITY RESPONSE TIMES


Excite shall provide to Netscape support services for the Netscape Branded
Search Service, Classifieds, Directory Service and Co-Branded Channels, and [*]
shall provide support services for [*] consistent with the following support
obligations:

1.   DEFINITIONS

          1.1 "ERROR" means any instance where the Excite-controlled portions of
the Service or Netcenter does not substantially conform to agreed-upon features
and specifications.

          1.2 "WORKAROUND" means a method by which a user of a product can, by
making a limited number of procedural or programming changes in a product,
prevent the occurrence or re-occurrence of an Error. Programming changes include
adjustments to set-up and configurations files or other settings that do not
require recompilation.

          1.3 "RESPOND" means and includes: taking and logging the Error call;
in the case of Priority 1 Errors, providing to the reporting party an
action/resolution plan within four (4) hours of initial call receipt and
acknowledgment; and, in cases of Priority 1 and 2 Errors, making best efforts on
a continuing basis to cure the Error until the Error is cured.

2.   OBLIGATIONS

          2.1 ERROR REPORTING. Errors may be reported on a 24 hours per day, 365
day per year basis. During normal business hours, each party's technical staff
shall be available to receive Error reports directly from the other party by
telephone. Outside of normal business hours, Errors may be reported by pager,
electronic mail, voice mail, fax or telephonic recording capability. Each party
shall provide the other with a pager number for both a primary and secondary
pager which will be carried by appropriate support personnel at all times and to
which Errors may be reported at any time.

          2.2 SUPPORT REQUESTS. Each party will Respond and use best efforts to
correct or provide a Workaround to Priority 1 and Priority 2 Errors that the
other party identifies, classifies and reports; and will use reasonable
commercial efforts to Respond to other Errors within the time frames set forth
below.

<TABLE>
<CAPTION>
-----------  --------------------------------------------------- -------------------------------- ----------------- ---------------
 PRIORITY                                                            NOTIFICATION MECHANISM            STATUS           TARGET
  ERROR                 TITLE AND EXPLANATION                            & REQUIRED TIME            REPORTS (IN      REPAIR TIME
                                                                           TO RESPOND               RESPONSE TO
                                                                                                      ERRORS)
-----------  --------------------------------------------------- -------------------------------- ----------------- ---------------
<S>          <C>                                                 <C>                              <C>               <C> 
    1         Fatal Error--No useful work can be done.            Voice or Pager: 15/30 minutes     Twice Daily         2 days
                                                                          7X24 coverage                (7X24)           (7X24)
-----------  --------------------------------------------------- -------------------------------- ----------------- ---------------
    2             Severe Impact--Functionality disabled.             Voice or Pager: 1 hour         Twice Daily         5 days
               Errors which result in a lack of application               7X24 coverage
             functionality or cause intermittent system failure.
-----------  --------------------------------------------------- -------------------------------- ----------------- ---------------
    3              Degraded Operations--Errors causing               Voice or Pager: 1 hour             Daily         10 business
                  malfunction of non-critical functions.                 Email: 8 hours           (business days)         days
                                                                      business day coverage
-----------  --------------------------------------------------- -------------------------------- ----------------- ---------------
    4       Minimal Impact--Attributes and/or options to             Voice or Pager: 2 hours           Weekly        Next Release
            ancillary features do not operate as stated.                 Email: 8 hours           (business days)
                                                                      business day coverage
-----------  --------------------------------------------------- -------------------------------- ----------------- ---------------
    5                   Enhancement Request.                             Voice: 8 hours                Weekly              No
                                                                      business day coverage       (business days)     Requirement
-----------  --------------------------------------------------- -------------------------------- ----------------- ---------------
</TABLE>

                                       26

<PAGE>   30

                                    EXHIBIT E
                          NETSCAPE LICENSED TECHNOLOGY

  *    and related documentation for:
-----

o       *
      -----

o       *    cross firewall   *
      -----                 -----

o     Netscape   *   (for use with   *  )
               -----               -----

o       *
      -----

o     Netscape   *    applications
               -----


------------
* Confidential Treatment has been requested with respect to certain portions of 
  this exhibit. Confidential portions have been omitted from the public filing
  and filed separately with the Securities and Exchange Commission.


                                       27

<PAGE>   31


                                    EXHIBIT F
                           EXCITE LICENSED TECHNOLOGY

Excite Licensed Technology includes the General Production and Page Generation
Technology, as defined below, and all other technology used, upon expiration or
termination of the Term, in connection with the operation, production,
development, management and support of the Service, including, without
limitation, all web search and directory indexes, all technology used to
generate such indexes, detailed information in respect of the major routines
used by Excite to process file system requests and file format, and all related
source code, schematics, flow charts, source files for, and other documentation,
so as to enable a software developer having average skill and ability in
computer application programming to understand, use, maintain and modify the
Excite Licensed Technology based solely on such programmer's familiarity with
the Excite Licensed Technology. "General Production and Page Generation
Technology" means all tools, templates, engines and other technologies used by
Excite upon expiration or termination of the Term for general production of the
Service and page generation. Without limiting the generality of the foregoing,
"General Production and Page Generation Technology" includes all source code,
schematics, flow charts and source files for, and all other documentation
related to, the "General Production and Page Generation Technology."

This license will cover Excite's then current technology used on Netcenter at
the end of the period for building and managing the Netscape Web search and
Netcenter directory indexes ("Indexes") as well as dynamic page generation tools
which are used over the term of the agreement to construct/create the pages
making up the Netscape programmed portion of the site. This license will not
cover Excite's technologies comparable in function to Netscape's Core Service
functions, Excite's Jango technology, indices and/or databases derived from
Excite's Jango technology, Excite's Newstracker technology, any technology
related to non-Web data feeds or streams, user databases (other than as
described in Exhibit A), Excite's advertising serving or targeting technology,
Excite's content targeting technology. any of MatchLogic's technology or any of
Classifieds2000's technology. Netscape will pay license fees at a $.50 CPM up to
a maximum of $125,000 per year for a maximum of 4 years. On-going consulting and
maintenance fees (including Directory maintenance and/or technology
maintenance), if desired by Netscape, will be mutually agreed upon. Excite's
technology includes source code and documentation for the following:

o    Spiders/Crawlers:
o    All spiders used to collect Web pages for purposes of populating all
     Indexes. 
o    All source code/logic that regulates spidering heuristics to determine 
     which Web pages are spidered and the frequency with which they are 
     spidered. This includes, but is not limited to, anti-Spam and anti-porn 
     heuristics. 
o    Indexes of all Web pages spidered and indexed including, but not limited 
     to:
o    List and taxonomy of all Web pages in Indexes.
o    Indexing technology/tools used to increase relevancy rankings and matching
     of Web pages to search queries. 
o    All technology/tools used to search Indexes including proprietary 
     technology for optimizing relevancy algorithms. 
o    All technology/tools to optimize performance on return of results pages 
     from Indexes, or any other channel query, including, but not limited to: 
o    Caching technologies applicable to Web search.
o    Fail over mechanisms that ensure high availability of Indexes. 
o    Security mechanisms that prevent unauthorized access/work on Indexes.
o    All production processes, database technology (used to store, index, and 
     search Web pages), tools, and APIs to facilitate interoperability of 
     spiders, Indexes, and page building capabilities necessary to Netscape to 
     continue providing search and directory functionality substantially similar
     to those provided by Excite to Netscape during the term of the agreement. 
o    All technology/tools used for integrating or selecting between Indexes. 
o    All technology/tools to prioritize and determine returned results. 
o    All tools, templates and engines used for general production and page 
     generation during the term of the agreement and necessary for Netscape's 
     ongoing provision of the service. 
o    All tools for generating and maintaining taxonomies on Indexes. 
o    All other proprietary tools and technologies used for developing, building 
     and maintaining Indexes not specifically covered by this document. 
o    Excite will provide Netscape with twelve person weeks of engineering 
     support when the above technology is provided. 
o    To the extent that Excite acquires or develops new technologies relevant to
      Web search and directories during the term of the Agreement that are not 
     incorporated into Excite's own branded search/directory offering, Excite 
     will offer to make such technologies available to Netscape for 
     incorporation into Netcenter and the technology transfer license if the 
     parties can agree after good faith negotiations on terms for the 
     incorporation of such new technologies.

Upon the first anniversary of the Effective Date, Excite shall provide
engineering resources to Netscape for purposes of educating Netscape on the
Excite Licensed Technology in order to coordinate Netscape's implementation of
the Excite Licensed Technology on termination.


                                       28

<PAGE>   32

                                    EXHIBIT G
                               CHANNEL ALLOCATION


The Channels will be allocated in the following manner during the Agreement:

<TABLE>
<CAPTION>
------------ --------------------- -------------------- -------------------------------------
               Netscape Channels         *                Excite Co-Branded Channels
------------ --------------------- -------------------- -------------------------------------
<S>            <C>                   <C>                  <C>
 Year 1 & 2    Computing             *                    Education (inc. College)
               Small Business                             Games
               Business News                              Lifestyle ("good-life")
               Travel                                     Autos
               Finance                                    Health
               Careers                                    Arts & Leisure
               Kids & Family                              Real Estate
               Entertainment                              Auctions
               Sports                                     Shopping
               Local                                      Classified (excluding careers/jobs)
               Communications 
               News
------------ --------------------- -------------------- -------------------------------------
</TABLE>

Both parties agree to use their best efforts to have the following Netscape
Channels and Excite Co-Branded Channels up within 30 days after the Effective
Date. The Launch Date shall occur on the first to occur of: (i) June 1, 1998,
or, (ii) the date when the following Channels are up:

Netscape Channels: *.

Excite Co-Branded Channels: * as such additional Co-Branded Channel shall be
mutually agreed.

The remaining Co-Branded Channels will be implemented within 6 weeks of the
initial Launch Date. Excite shall use reasonable commercial efforts to launch
the Interim Channels within 6 weeks of the Launch Date. Excite shall commit to
providing at least * to help achieve a timely launch and maintenance of the
Service.

The Netscape Branded Search Service shall also be launched on June 1, 1998.

In those cases where Channels to be provided by Netscape * from Netscape as of
the initial Launch Date, * to provide such channels as Interim Channels for
Netscape for such interim period, provided Excite has such Channels * Such
Interim Channels shall be treated as Co-Branded Channels during the period of
time they are Interim Channels. Before Excite launches any Interim Channel, the
parties shall mutually agree on a minimum life for such Interim Channel which
shall be hosted and managed by Excite. * Excite may enter into * for * within
the * provided such contracts * for such Interim Channel ("*") as agreed upon by
the parties. If Excite wishes to enter into a contract for an E-Commerce Listing
with a duration longer than the *, Excite shall notify Netscape in writing.
Netscape shall have three business days to respond to Excite's proposed
E-Commerce Listing. If Netscape does not notify Excite within three business
days that Netscape does not want Excite to sell such E-Commerce Listing, Excite
may sell such E-Commerce Listing. Excite may sell banner advertisement programs
for up to three months longer than the Minimum Life without Netscape's prior
written approval. If Excite would like to sell banner advertisement programs
beyond such period, Excite shall receive Netscape's prior written approval. *
notify Excite * that Netscape does not want Excite to sell such banner
advertising program, Excite may sell


                                       29

<PAGE>   33

such banner ads. Excite shall provide account management throughout the duration
of any such contracts and the parties will coordinate the transitioning of the
account back to Netscape.

After Netscape has taken back any Interim Channels for which Excite has entered
into agreements for E-Commerce Listings, the parties will continue to * on the
same basis as if those Channels were Co-Branded Channels for the duration of the
term of the * entered into by Excite.

Netscape reserves the right to * Netscape Channels.


                                       30

<PAGE>   34

                                   EXHIBIT H
        PRO FORMA LAYOUT OF A CO-BRANDED CHANNEL, A SEARCH RESULTS PAGE,
  A DIRECTORY SERVICE PAGE, AND THE NETSCAPE BRANDED SEARCH SERVICE "SAMPLER"


                                [NOT COMPLETED]



                                       31

<PAGE>   35

                                    EXHIBIT I
                           WARRANT PURCHASE AGREEMENT


                                       32