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NETWORK ACCESS AGREEMENT

PSINet Inc. Purchaser: EarthLink Network, Inc.
000 Xxxxxxx Xxxx Xxxxx 0000 Xxx Xxxx Xxxxx
Xxxxxxx, XX 00000 Xxxxxxxx, XX 00000
703.904.4100 000.000.0000
000.000.0000 (fax) 000.000.0000 (fax)

Business Contact: Contact: Xxxxx Xxxxx
Phone/Fax: Phone/Fax: 000 000 0000
Business Contact: Business Contact: Same
Title/Phone/Fax: Title/Phone/Fax: President/CEO, fax 000 000 0000:

THIS AGREEMENT is made between PSINet Inc., a corporation incorporated under
the laws of the State of New York and having its principal place of business
at 000 Xxxxxxx Xxxx Xxxxx, Xxxxxxx, Xxxxxxxx 00000 ("PSINet"), and the
wholesale customer of PSINet's wide-area computer network system ("EarthLink"
or "Purchaser") as specified above.

WITNESSETH:

WHEREAS, Purchaser desires to obtain from PSINet network access for the
benefit of Purchaser's customers desiring access at speeds up to 128Kbps
(hereinafter, "Customers"); and

WHEREAS, PSINet is willing and able to provide such access;

NOW, THEREFORE, in consideration of the mutual promises and covenants
contained herein, the parties agree, intending to be legally bound, as
follows:

1. DEFINITIONS. The following terms shall have the following meanings for
purposes of this Agreement and for purposes of the Exhibits hereto:

1.2 "HOST" shall mean a computer with a Network address (IP address).

1.3 "NETWORK" shall mean the combination of computer hardware, computer
software programs and data transmission facilities operated by PSINet
which will permit computers operated by Purchaser's Customers to
communicate with

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* - Confidential portions of this exhibit have been omitted, marked with
asterisks (*) and filed separately with the Securities and Exchange
Commission pursuant to an application for confidential treatment.

computers at remote locations which are operated by others and to
provide access to Internet.

1.4 "POP" shall mean a Network point-of-presence where PSINet equipment
will be located and these POPs will be positioned throughout the world
in order to permit authorized users to access the Network by telephone.

1.5 "PSINET CUSTOMER" will be EarthLink's non-dedicated
(non-static-addressed) or non-LAN dial-up customers designated by
EarthLink as having their principal dial-up access through PSINet's
dial-up network in the U.S. and Canada.

1.6 "NON-PSINET CUSTOMER" will be EarthLink's dial-up customers
designated by EarthLink as having their principal dial-up access
through another network than PSINet's, whether it be EarthLink's own
network, or another of EarthLink's network vendors.

1.7 "CUSTOMER" will be a customer of EarthLink, whether a "PSINet
Customer" or "Non-PSINet Customer".

2. INTERNET CONNECTION SERVICES.

2.1 GENERAL. PSINet agrees to provide Purchaser with dialup (also call
"switched") telephone connection services for Purchaser's Customers to
access the Network and the Internet. Purchaser and its Customers may
access the Network from any PSINet POP in the United States and Canada.
The fees to be paid by Purchaser to PSINet for such access services are
set forth in Section 5.1.

2.2 PROVISION OF ACCESS. Throughout the term of this Agreement, PSINet
shall provide Purchaser's Customers with the right to access at
speeds up to 128 Kbps using standard telephone and ISDN lines, and
use its Network at the levels then provided and supported by PSINet
("Access"). A recent estimated listing of Network POPs can be retrieved
by sending electronic mail at 'xxx-xxxx@xxx.xxx' or through access to
PSINet's world-wide web site at 'xxxx://xxx.xxx.xxx'. PSINet reserves
the right to install new POPs and/or to close existing POPs as it, in
its sole discretion, deems appropriate. In the event PSINet deems it
necessary to close an existing POP, PSINet shall provide Purchaser with
sixty (60) days written notice thereof. Purchaser may order such Access
on behalf of its present or future Customers and there shall be no
limit on the number of Customers who may use the Network; provided,
however, subject to the Service Level Agreement in Section 3.7 that
PSINet may refuse service to Purchaser because there is insufficient
capacity on the Network or in the POP to provide the Access amount
requested.

2.2.1 TERMINATION OF ACCESS. PSINet shall terminate the Access rights of
any Purchaser Customer as soon as is reasonably practicable upon written
notice from Purchaser to do so or upon mutually agreed upon electronic
process with receipt confirmed, but shall have no liability in
connection therewith.

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2.2.2 ISDN SERVICE. PSINet shall make ISDN 64k and 128k Internet connection
services available to Purchaser for Purchaser's dial-up customers. The
fees to be paid by Purchaser for such services are set forth in Section
5.1.

3. PURCHASER OBLIGATIONS.

3.1 PURCHASER RESPONSIBILITY FOR ITS CUSTOMERS. Purchaser shall be
responsible for all Customer support, pricing and service plans, billing
and collections with respect to its own Customers.

3.2 PURCHASER CONNECTION TO THE NETWORK. Purchaser may provide, at its
own expense, the telecommunications circuit for its connection to the
Network which shall run between the best suited PSINet POP (as
determined by PSINet) and the Purchaser's operations center (which
includes the local telephone company or Competitive Access Provider
circuits). In addition, Purchaser may provide an estimate of the traffic
it anticipates between Purchaser's network and PSINet's Network.

3.3 [INTENTIONALLY LEFT BLANK]

3.4 [INTENTIONALLY LEFT BLANK]

3.5 CUSTOMER EQUIPMENT. PSINet shall not be responsible for the
installation, operation or maintenance of any computer equipment or
computer software programs used by any Purchaser Customer.

3.6 OPTIONAL PEERING. In addition to the connection of Purchaser's
network and PSINet's Network as set forth in Section 3.2, Purchaser may,
but shall not be obligated to, provide telecommunications circuits
interconnecting Purchaser's network with PSINet's network at a location
agreed upon by the parties and, from time to time, in other locations.
The parties will use these circuits only for traffic originating within
one party's network (or the networks of its Customers) and destined only
to the other party's network (or the networks of its Customers).

3.7 SERVICE LEVEL AGREEMENT. Purchaser will maintain a 90 day rolling
forecast of predicted PSINet Customers at each POP, and provide this
forecast to PSINet as requested. This forecast will include comparative
historical numbers as they become available. Except as set forth in the
section below, Purchaser will have no liability for the inaccuracy of
this forecast.

The number forecasted at each POP 60 days prior to a given day will
give rise to mutual obligations for that day at that POP as follows:

1. If the number of actual PSINet Customers for a given POP on a
given day is greater than 110% of the number forecasted, no
penalty or Service Level Agreement ("SLA") applies.

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2. If the number of PSINet Customers on a given day is less than
90% of the number forecasted, Purchaser will pay a penalty of *%
above the applicable fees for that POP for that day.

3. For each POP where neither 1 nor 2 applies, PSINet will be
required to provide 99.5% availability for dial-in-access. For
each day less than 99.5% availability is provided, Purchaser
will be credited *** ********** ********* ***** ****** *** ****
****** ******** ******** ********* ******* ** **** ***. For
example, if on April 2, 1997 Purchaser forecasted that there
would be 910 PSINet Customers on the Smalltown POP, and the
actual number of PSINet Customers on the Smalltown POP on
June 1, 1997 were 1000, and the total number of PSINet
Customers on June 30, 1997 were 155,001, and the availability of
Smalltown POP fell below 99.5% on June 1, 1997, Purchaser would
be credited ***** * ******* ** ******* for that service lapse.

Purchaser will provide at least 60 days' notice if it decides to
build a POP to service existing PSINet Customers in a particular city,
provided the existing PSINet Customers for that POP exceed 5,000
customers.

4. PSINET OBLIGATIONS.

4.1 QUALITY OF SERVICE. PSINet shall provide to Purchaser (for its
Customers) Internet connection services that meet reasonable commercial
standards, including, without limitation, with respect to accessibility,
latency, packet loss, and throughput. For example, PSINet shall maintain
throughput of 80% of nominal port speed (e.g. 23 Kbps for a 28.8 Kbps
connection, 51 Kbps for a 64 Kbps single ISDN connection) 90% of the
time. PSINet shall keep and maintain its Network in good condition and
repair. The Network shall be properly maintained, serviced and upgraded
by PSINet as it, in its sole discretion, shall determine is necessary in
order to ensure connectivity to Purchaser Customers.

4.1.1 REPORTS AND INFORMATION REGARDING SERVICE.

4.1.1.1 ACCESS TO NETWORK MONITORING SYSTEMS. PSINet shall provide Purchaser
with read-only access to all applicable network monitoring systems used
by PSINet to monitor its network. Such access will permit Purchaser to
determine availability at each POP.

4.1.1.2 PSINET NETWORK OUTAGES. PSINet shall provide to Purchaser prompt
notification of any PSINet network outages that affect Purchaser's
Customers. When possible, at least three days advance notice of planned
outages shall be given to Purchaser so that Purchaser's Customers may be
alerted.

4.1.1.3 SNMP ACCESS. PSINet shall provide to Purchaser SNMP access to
PSINet's Network (i.e., direct read-only access to the dialup equipment,
as well as, if

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possible, the devices used to provide backbone transport) with respect to
Purchaser's dial-up Customers, as soon as such access is practicable.

4.1.1.4 TECHNICAL INTERCONNECT. PSINet will develop a means to allow PSINet
Customers to be authenticated via Purchaser's RADIUS serves in Purchaser's
data center. PSINet Customers will be set up by Purchaser to log into
PSINet's network with an "ELN/" in front of their username.

PSINet will provide real-time monitoring capabilities for Purchaser's
technical and support staff to track access of PSINet Customers on PSINet's
network. PSINet will provide 24X7 NOC-to-NOC support for Purchaser.

5. PRICE AND PRICING TERMS.

5.1 CHARGES. Purchaser will pay PSINet the applicable monthly fee for each
PSINet Customer who has access to PSI's network during a particular month.
Where the PSINet Customer did not have access for the entire month, the
monthly fee will be prorated. Where the PSINet Customer has signed up AND
canceled Purchaser's service within an initial 30 day period, no monthly fee
will be due PSINet for that PSINet Customer.

In addition to PSINet Customers, Purchaser will have customers who use
Purchaser's own dial-up TCP/IP network or other networks provided by vendors
other than PSINet. Purchaser will make reasonable efforts to ensure that it
segregates customers to one network or another in a given billing month.
However, for such Non-PSINet customers who access the PSINet network in a
given month, PSINet will charge Purchaser $**** for each day such Non-PSINet
customer accesses the PSINet network, but no more than the applicable flat
monthly rate for each PSINet Customer.

For each PSINet customer in the United States, monthly charges to Purchaser
shall be based upon the number of PSINet Customers, calculated at the end of
each month, as follows:

TIER PRICE VOLUME
A ****** 0-10,000
B ***** 10,001-125,000
C ***** 125,001 +

For each PSINet Customer in Canada, the monthly charge to the Purchaser will
be $**** more (U.S. dollars) than the price noted above. Canadian and US
Customers will count together cumulatively for the purpose of determining
Purchaser's pricing tier above.

The minimum volume required to maintain Tier C pricing shall increase
according to the month from the period beginning April 30, 1997 until
December 31, 1997, after which the minimum monthly volume necessary to
maintain Tier C pricing shall remain at 250,000 Customers.

Month-ending Tier C minimum commitment table:

4/97 5/97 6/97 7/97 8/97 9/97 10/97 11/97 12/97

135,000 145,000 155,000 170,000 185,000 190,000 210,000 230,000 250,000

The applicable base charges above are applied to all PSINet Customers
irrespective of the rate that previously was applied to
each group of Customers. That is, when the volume threshold for a certain
tier is reached, Purchaser shall be entitled to the pricing for that tier for
all PSINet Customers (e.g. at and below that tier volume).

ISDN Service: Charges will be the same as above for ISDN 64K connection
services. Charges will be twice the 64K rate for 128K service.

5.1.1 MOST FAVORED NATION. PSINet commits that the pricing provided to
Purchaser will be at least as low as for comparable volume levels and similar
services as that provided any other PSINet customer.

5.2 ADJUSTMENTS TO BASE CHARGE. When the number of PSINet Customers exceeds
500,000, PSINet and purchaser will begin good faith negotiations on new
pricing terms.

5.3 MINIMUM COMMITMENT: On January 1, 1997, Purchaser's minimum monthly
commitment to PSINet shall become $******* per month for each month of 1997.
This minimum commitment will expire on December 31, 1997.

5.4 TAXES. Purchaser shall be liable for and shall reimburse PSINet for all
taxes and related charges however designated, imposed in connection with or
arising from the provision of access to the PSINet network by Purchaser or
its Customers. This clause is intended to cover "per-subscriber" or
"per-byte" charges targeted at the Internet traffic of Purchaser or its
customers. These taxes will not include the following:

-Taxes on T1 or PRI local loop lines to PSINet POPs
-Taxes on PSINet's equipment or facilities
-Taxes on PSINet's dedicated data circuits

5.5 INVOICES. PSINet shall invoice Purchaser monthly in arrears for all
charges under this Agreement. Except where inapplicable per Section 5.9, all
invoices will be payable within (30) days of receipt of invoice.
Delinquent payments are subject to a late payment charge at the annualized rate
of prime plus four percent computed monthly (4%), or portion thereof, of the
amount due (but not to exceed the maximum lawful rate). In the event
Purchaser shall fail to pay PSINet any amount due under this Agreement for a
period of forty (40) days, PSINet, in addition to charging applicable
delinquency fees, may discontinue providing to Purchaser and its Customers
upon seven (7) days' prior written notice to Purchaser. PSINet shall resume
providing Access immediately upon receipt of

such payment, and in such event Purchaser shall pay PSINet a reasonable
reconnection fee. However, Purchaser shall not be deemed to be delinquent,
nor may access be terminated, until Purchaser has exhausted the line of
credit described in Section 5.9

5.6 CUSTOMER CHARGES. Purchaser is solely responsible for establishing and
collecting its Customer charges for services it offers its customers through
the Network and for preparing and mailing invoices to its Customers.
Purchaser is responsible for payment of the total amounts invoiced it by
PSINet regardless of whether Purchaser is paid by its Customers.

5.7 MARKETING REFERRALS. Until January 1, 1997, PSINet will provide
Purchaser with the first opportunity to sell to all leads calling into PSINet
inquiring about or seeking the purchase of non-dedicated, dial up Internet
access. At Purchaser's discretion, such leads will be transferred
telephonically directly to Purchaser's telemarketing group, where Purchaser
will attempt to sell the lead a dial-up access account. Purchaser will pay
PSINet a one-time bounty of $***** for each lead that signs up for services
and remains a paying customer for more than 60 days. By 30 days after the end
of each month, Purchaser shall provide PSINet an accounting of the number of
leads received and the number successfully converted into sign-ups, along
with payment of applicable bounties.

5.8 USAGE REPORTS. PSINet will provide full usage reports at the end of
each day. These reports shall include detailed accounting of each Purchaser
network customer (PSINet Customer or Non-PSINet Customer) login to PSINet's
network. Additionally, PSINet and Purchaser will work to set up a system
whereby Purchaser can track usage (connects and disconnects) in real time.

5.9 ADDITIONAL CONSIDERATION. In exchange for Purchaser issuing to PSINet
the sum of 200,000 warrants to purchase the same number of shares of common
stock of Purchaser (or the equivalent thereof to compensate for any changes
in the capital structure of Purchaser between the time of grant and the time of
exercise by PSINet, with 4 years to exercise), the exercise price to be the fair
market value at the time of grant, PSINet will provide the following credit
and rental facilities to Purchaser:

1. A credit line for Purchaser's payables to PSINet hereunder
according to these terms:

- Up to $5,000,000
- Accruing interest at prime plus 4% per annum
Applied to payables beyond the 30 day payment term described above
- Balloon payment at the end of the initial term hereof

2. A commitment to a rental facility for $5,000,000 of equipment
(owned or leased by PSINet) for deployment in Purchaser's network. Such
rental charges shall include all costs, such as service maintenance, and
shall be for equipment agreed to in advance by the parties.

The equipment shall be Sun servers, Ascend Max Hubs and
other network equipment. The maximum initial value of
assets being rented shall not exceed $5,000,000 in value.

Rental agreement shall include Fair Market Value buyout
provisions, a 3-year term and an effective rate of not
more than prime plus 3% per annum.

Monthly rental payments will be due beginning 30 days
after funding of Purchaser's IPO, or February 1, 1997,
whichever is sooner.

Terms of Purchaser's warrants shall include a term of 4 years;
will provide for appropriate adjustments to the exercise price
and number of shares which may be purchased in the event of stock
splits, dividends and the like. In addition, PSINet shall receive
registration rights in respect to the shares (the "Shares") issuable
upon the exercise of the Warrants as described in the attached
Exhibit "A". PSINet shall be entitled to receive financial
information regarding the Company for so long as PSINet holds the
Shares.

6. TERM/EXTENSIONS/TERMINATION. The term of this Agreement shall be two
(2) years, commencing on August 1, 1996 and ending July 31, 1998,
and, unless either party notifies the other in writing not less than
one-hundred eighty (180) days prior to the end of the initial term or
any extension thereof, this Agreement shall be automatically renewed
annually thereafter for a period of one year. Notwithstanding the
foregoing, such termination notice shall not be given by either party
prior to December 31, 1997.

Either party may terminate this Agreement if such other party has
materially breached this Agreement and has failed to cure such breach
within thirty (30) days after receiving written notice of such
breach; provided, however, that this notice period shall not apply to
a termination by PSINet in accordance with the provisions of Section
5.5.

7. WARRANTIES EXCLUDED. EXCEPT AS EXPRESSLY PROVIDED HEREIN, PSINet
MAKES NO WARRANTIES IN CONNECTION WITH ITS NETWORK OR THE PROVISION
OF ACCESS AS CONTEMPLATED HEREIN, WHETHER WRITTEN OR ORAL, STATUTORY,
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE WARRANTY OF
MERCHANTABILITY AND THE WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE
OR USE. PURCHASER'S SOLE AND EXCLUSIVE REMEDY SHALL BE PSINET'S
OBLIGATION TO ADJUST THE FEES PAYABLE BY PURCHASER AS SET FORTH
ELSEWHERE HEREIN.

8. LIMITATION OF LIABILITY. NOTWITHSTANDING ANYTHING CONTAINED IN THIS
AGREEMENT TO THE CONTRARY, THE PARTIES AGREE THAT NEITHER PARTY SHALL
IN ANY EVENT BE LIABLE TO THE OTHER PARTY OR ANY OTHER PERSON FOR ANY
ACTUAL, DIRECT, INDIRECT, CONSEQUENTIAL, SPECIAL, INCIDENTAL,
RELIANCE, PUNITIVE OR ANY OTHER DAMAGES OR FOR ANY LOST PROFITS OF ANY

Page: 8

KIND OR NATURE WHATSOEVER, REGARDLESS OF THE FORESEEABILITY THEREOF,
ARISING OUT OF THE PROVISION OF ACCESS OR IN ANY WAY ARISING OUT OF
THIS AGREEMENT, WHETHER IN AN ACTION ARISING OUT OF BREACH OF
CONTRACT, BREACH OF WARRANTY, DELAY, NEGLIGENCE, STRICT TORT
LIABILITY, PATENT MATTERS OR ANY OTHER THEORY. NO ACTION OR
PROCEEDING AGAINST EITHER PARTY MAY BE COMMENCED MORE THAN TWO YEARS
AFTER THE SERVICES ARE RENDERED. THIS CLAUSE SHALL SURVIVE FAILURE OF
AN EXCLUSIVE REMEDY. EITHER PARTY'S TOTAL LIABILITY FOR GROSS
NEGLIGENCE DURING THE LIFETIME OF THIS AGREEMENT SHALL IN NO EVENT
EXCEED FIVE HUNDRED THOUSAND DOLLARS ($500,000) IN THE AGGREGATE.

9. INDEMNIFICATION OF PSINET. Purchaser shall indemnify and hold
harmless PSINet and PSINet's directors, officers, employees, agents
and advisors from and against any and all claims of other persons or
entities arising out of material, data, information or other content
transmitted by Purchaser Customers or other acts or omissions of
Purchaser and/or its Customers.

10. CONFIDENTIAL INFORMATION.

10.1 Nondisclosure. If either party acquires Confidential Information of
the other, such receiving party shall maintain the confidentiality of
the disclosing party's Confidential Information shall use such
Confidential Information only for the purposes for which it is
furnished and shall not reproduce or copy it in whole or in part,
except for use as authorized in this Agreement. Confidential
Information shall mean all information of the disclosing party which
it treats as confidential or proprietary. Confidential Information
shall not include information which is or hereafter becomes generally
available to others without restriction or which is obtained by the
receiving party without violating the disclosing party's rights under
this Article 10 or any other obligation of confidentiality. The terms
and conditions of this Agreement shall constitute Confidential
Information. The provisions in the Bilateral Nondisclosure Agreement
executed between the parties on July 18, 1996 shall survive the
execution and termination of this Agreement for any reason.

10.2 Duration. With respect to all Confidential Information, the parties'
rights and obligations under this Article shall remain in full force
and effect following the termination of this Agreement.

10.3 Ownership. All materials and records which constitute Confidential
Information, other than service orders and copies of this Agreement,
shall be and remain the property of, and belong exclusively to, the
disclosing Party, and the receiving party agrees either to surrender
possession of and turn over or to destroy all such Confidential
Information which it may possess or control upon request of the
disclosing party or upon the termination of this Agreement.

Page: 9

10.4 Injunctive Relief. The parties acknowledge and agree that, in the
event of a breach or threatened breach by any party of any provision
of this Article 10, the other party will have no adequate remedy in
money or damages and, accordingly, shall be entitled to an injunction
against such breach. However, no specification in this Section of a
specific legal or equitable remedy shall be construed as a waiver or
prohibition against any other legal or equitable remedies in the
event of a breach of this Article of this Agreement.

10.5 Legal Obligation to Disclose. Each party shall be released from its
obligations under this Article 10 with respect to information which
such party is required to disclose to others pursuant to obligations
imposed by law, rule or regulation; provided, however, that prior to
any such required disclosure, if practicable, such party provides
written notice to and consults with the other party.

11. MISCELLANEOUS.

11.1 Independent Parties/No Agency. The relationship of PSINet and
Purchaser shall be that of independent third parties. Except as
otherwise expressly provided in this Agreement, this Agreement does
not constitute either party as the agent or legal representative of
the other party and does not create a partnership or joint venture
between the parties. Except as otherwise expressly provided in this
Agreement, neither party shall have any authority to contract for or
bind any other party in any manner whatsoever. This Agreement confers
no rights of any kind upon any third party.

11.2 Force Majeure. PSINet shall not be liable for failure to fulfill its
obligations hereunder if such failure is due to causes beyond its
control, including, without limitation, acts of God, fire,
catastrophe, governmental prohibitions or regulations, viruses which
did not result from the acts or omissions of PSINet, its employees or
agents, national emergencies, insurrections, riots or wars, or
strikes, lockouts, work stoppages or other labor difficulties. The
time for any performance required hereunder shall be extended by the
delay incurred as a result of such act of force majeure, and PSINet
shall act with dilligence to correct such force majeure.

11.3 Delays or Omissions. No delay or omission to exercise any right,
power or remedy accruing to a party under this Agreement shall impair
any such right, power or remedy of such party nor shall it be
construed to be a waiver of any such breach or default, or an
acquiescence therein, or of or in any similar breach or default
thereafter occurring; nor shall any waiver of any single breach or
default be deemed a waiver of any other breach or default theretofore
or thereafter occurring. Any waiver, permit, consent or approval of
any kind or character on the part of either party of any breach or
default under this Agreement, or any waiver on the part of either
party of any provisions or conditions of this Agreement must be made
in writing and shall be effective only to the extent specifically set
forth in such writing. All remedies, either under this Agreement or
by law or otherwise afforded to a party, shall be cumulative and not
alternative.

Page: 10

11.4 BENEFIT AND ASSIGNMENT. No party hereto shall assign this Agreement, in
whole or in part, whether by operation of law or otherwise, without the
prior written consent of the other party hereto (which consent shall not
be unreasonably delayed or withheld); and any purported assignment in
violation of the foregoing shall be void. This Agreement shall be
binding upon and shall inure to the benefit of the parties hereto and
their respective successors and assigns as permitted hereunder. No
person or entity other than the parties hereto is or shall be entitled
to bring any action to enforce any provision of this Agreement against
any of the parties hereto, and the covenants and agreements set forth
in this Agreement shall be solely for the benefit of, and shall be
enforceable only by, the parties hereto or their respective successors
and assigns as permitted hereunder.

11.5 ADDITIONAL ACTIONS, DOCUMENTS AND INFORMATION: AUDIT. Each of the
parties hereto agrees that it will, at any time, prior to, at or after
the date hereof, take or cause to be taken such further actions, and
execute, deliver and file or cause to be executed, delivered and filed
such further documents and instruments and obtain such consents, as may
be reasonably requested in order to fully effectuate the purposes,
terms and conditions of this Agreement. In addition, PSINet may, at
reasonable intervals and upon reasonable notice to Purchaser, either by
itself or by its outside audit firm, audit the relevant books, records
and electronic data of Purchaser to assure proper payments have been
made by Purchaser hereunder. PSINet shall bear the costs of each such
audit unless the results of such audit show that Purchaser has
underpaid PSINet by 5% or more, in which case the cost of such audit
and the following correctional audit shall be borne by Purchaser.

11.6 NOTICES.

(a) All notices and other communications required or permitted hereunder
shall be in writing and shall be mailed by certified or registered mail
(return receipt requested), express air courier, charges prepaid, or
facsimile addressed as follows:

To Purchaser: as provided above

To PSINet:

PSINet Inc.
000 Xxxxxxx Xxxx Xxxxx
Xxxxxxx, Xxxxxxxx 00000
Facsimile: (000) 000-0000
Attn: Xxxxxx X. Xxxxx, Chief Operating Officer

or to such other address as either party shall have furnished to the
other in writing.

(b) If a notice is given by either party by certified or registered mail,
it will be deemed received by the other party on the third business day
following the date on which it is deposited for mailing. If a notice is
given by either party by air express courier, it will be deemed
received by the other party on the next business day following the date
on which it is provided to the air express courier. If a notice is
given by facsimile, it will be deemed received by the other party after

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confirmation of receipt. Notwithstanding the foregoing, any payments
made under this Agreement shall be deemed received only when actually
received.

11.7 SEVERABILITY. In case any provision of this Agreement shall be invalid,
illegal or unenforceable, such provision shall be construed so as to
render it enforceable and effective to the maximum extent possible in
order to effectuate the intention of this Agreement; and if such
provision shall be wholly invalid, illegal or unenforceable, the
validity, legality and enforceability of the remaining provisions
hereof shall not in any way be affected or impaired thereby.

11.8 SURVIVAL OF OBLIGATIONS. The parties' rights and obligations that, by
their nature, would continue beyond the termination, cancellation, or
expiration of this Agreement, shall survive such termination,
cancellation or termination.

11.9 TITLES AND SUBTITLES. The titles of the Articles and Sections of this
Agreement are for convenience of reference only and are not to be
considered in construing this Agreement.

11.10 COUNTERPARTS. This Agreement may be executed in any number of
counterparts, each of which shall be an original, but all of which
together shall constitute one instrument.

11.11 GOVERNING LAW. This Agreement shall be governed in all respects by the
laws of the State of New York without reference to its principles of
conflicts of laws.

11.12 ENTIRE AGREEMENT/AMENDMENTS. This Agreement (including all Exhibits and
the Bilateral Nondisclosure Agreement) constitutes the full and entire
understanding and agreement between the parties with regard to the
subjects hereof and thereof. Neither this Agreement nor any term hereof
may be amended, waived, discharged or terminated, except by a written
instrument signed by the parties hereto.

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PSINet/EarthLink 7/24/96
Network Access Agreement Page: 12

BOTH PARTIES REPRESENT AND WARRANT THAT THEY HAVE FULL CORPORATE POWER AND
AUTHORITY TO EXECUTE AND DELIVER THIS AGREEMENT AND TO PERFORM THEIR
OBLIGATIONS HEREUNDER, AND THAT THE PERSON WHOSE SIGNATURE APPEARS BELOW IS
DULY AUTHORIZED TO ENTER INTO THIS AGREEMENT ON BEHALF OF THE PARTY.

IN WITNESS WHEREOF, THE PARTIES HAVE ENTERED INTO THIS AGREEMENT AS OF THE
DATE SET FORTH:

Xxxxxxx X. Xxxxx
--------------------------------------------------------------------------------
Authorized Purchaser Representative/Title (please type or print)

/s/ Xxxxxxx X. Xxxxx 7/22/96
--------------------------------------------------------------------------------
Purchaser Signature Date

Xxxxxx X. Xxxxx
--------------------------------------------------------------------------------
Authorized PSINet Representative (please type or print)

/s/ Xxxxxx X. Xxxxx 7/22/96
--------------------------------------------------------------------------------
PSINet Representative Signature Date

[GRAPHICS]

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PSINet/EarthLink 7/22/96
Network Access Agreement Page: 13

AMENDMENT TO NETWORK ACCESS AGREEMENT

This Amendment to the Network Access Agreement (this "Amendment") is made as of
this _____ day of October, 1996 between PSINet, a New York corporation and
EarthLink Network, Inc., a Delaware corporation.

RECITALS

A. PSINet and EarthLink entered into that certain Network Access
agreement for network access for the benefit of EarthLink's customers, on
July 22, 1996.

B. The parties wish to amend the Original Agreement to reflect certain
revisions as discussed between the parties.

NOW, THEREFORE, in consideration of the mutual obligations in this Amendment and
for other good consideration, the receipt and sufficiency of which are
acknowledged, the parties to this Amendment agree as follows:

1. MODIFICATION OF CLAUSE 5.1. Clause 5.1 of the Original Agreement, titled
Charges, specifically the third paragraph relating to monthly charges, is
modified to read in its entirety as follows:

Tier Price Volume
---- ----- ------

A ****** 0-10,000
B ***** 10,001-100,000
C ***** 100,000+

The fifth paragraph of Clause 5.1 is modified to read as follows:

The minimum volume required to maintain Tier C pricing shall increase according
to the month from the period beginning July 30, 1997 until December 31, 1997,
after which the minimum monthly volume necessary to maintain Tier C pricing
shall remain at 165,000 Customers.

The sixth paragraph of Clause 5.1 is modified to read as follows:

7/97 8/97 9/97 10/97 11/97 12/97
100,000 110,000 120,000 135,000 150,000 165,000

2. MODIFICATION OF CLAUSE 5.3. Clause 5.3 of the Original Agreement, titled
Minimum Commitment, is modified to read in its entirety as follows:

On January 1, 1998, Purchaser's minimum monthly commitment to PSINet shall
become $******* per month for each month until expiring on July 31, 1998.

3. MODIFICATION OF CLAUSE 5.7. Clause 5.7 of the Original Agreement, titled
Marketing Referrals, shall read as follows:

Beginning December 1, 1996, and continuing through March 31, 1997, PSINet
will provide Purchaser with the first opportunity to sell to all leads calling
into PSINet inquiring about or seeking the purchase of non-dedicated, dial up
Internet access. At Purchaser's discretion, such leads will be transferred
telephonically directly to Purchaser's telemarketing group, where Purchaser will
attempt to sell the lead a dial-up access

account. Purchaser will pay PSINet a one-time bounty of $***** for each lead
that signs up for services and remains a paying customer for more than 60 days.
By 30 days after the end of each month, Purchaser shall provide PSINet an
accounting of the number of leads received and the number successfully converted
into sign-ups, along with payment of applicable bounties.

CANCELING CUSTOMERS. The following text is added to the Original Agreement
as the second paragraph of Clause 5.7:

Existing PSINet service customers who don't want to move to Mindspring or
who are otherwise canceling the PSINet service will be offered by PSINet
EarthLink as an alternative. If interested, PSINet will transfer or otherwise
direct such customers to EarthLink's sales group to be closed.

4. CONTINUED EFFECT OF ORIGINAL AGREEMENT. All provisions of the Original
Agreement, except as modified by this Amendment, shall remain in full force and
effect and are hereby reaffirmed.

IN WITNESS WHEREOF, the duly authorized representatives of the parties hereto
have executed this Amendment as the date first written above.

EARTHLINK NETWORK, INC. PSINet, INC.

By: /s/ XXXXXXX X. XXXXX By: /s/ XXXXXX X. XXXXX
-------------------------------- --------------------------------
Xxxxxxx X. Xxxxx Xxxxxx X. Xxxxx
Chief Executive Officer Title:
EarthLink Network, Inc. PSINet, Inc.
0000 Xxx Xxxx Xxxxx 000 Xxxxxxx Xxxx Xxxxx
Xxxxxxxx, Xxxxxxxxxx 00000 Xxxxxxx, Xxxxxxxx 00000
Phone (000) 000-0000 Phone:
Fax (000) 000-0000

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