Document:

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                                                                   EXHIBIT 10.53

                       SECOND MODIFICATION TO GROUND LEASE

     THIS SECOND MODIFICATION TO GROUND LEASE (this "Modification") is made on
May 20, 2002 (the "Effective Date"), by and between ISTAR SAN JOSE, LLC, a
Delaware limited liability company ("Lessor"), and EQUINIX, INC., a Delaware
corporation ("Lessee").

                                    RECITALS

     A. Lessor and Lessee entered into that certain Ground Lease dated as of
June 21, 2000 (the "Original Lease"), as amended by that certain First
Modification to Ground Lease dated as of September 26, 2001 (collectively, the
"Lease"), which Lease covers approximately 78.446 acres of unimproved real
property, located in the City of San Jose, County of Santa Clara, State of
California, as more particularly described in the Lease. Capitalized terms used
but not defined herein shall have the meanings set forth in the Lease.

     B. Concurrently with the execution of the Original Lease, Lessor and Lessee
executed a Memorandum of Lease and Purchase Option, dated as of June 21, 2000
(the "Original Memorandum"), which Original Memorandum was recorded on June 21,
2000, as Document No. 15286834 in the Official Records of Santa Clara County,
California (the "Official Records"). The Original Memorandum was amended and
restated by that certain Amended and Restated Memorandum of Lease and Purchase
Option dated as of October 1, 2001 and recorded on _________________, 2001 as
Document No. ___________ in the Official Records.

     C. Lessee has submitted to the City of San Jose's Planning Department the
following applications relating to the Premises covered by the Lease: (i)
Planned Development Zoning (File #PDCSH01-09-031); (ii) Master Planned
Development Permit (File #PDSH02-024); and (iii) Vesting Tentative Map (File
#PTSH02-041) (the applications designated in clauses (i), (ii) and (iii), as the
same may be amended from time to time with Lessor's approval in accordance with
the Lease, are collectively referred to herein as the "Entitlement Documents").

     D. Lessee has requested that Lessor (i) grant to Lessee an option to reduce
the Premises covered by the Lease and the Purchase Option on the terms and
conditions set forth herein, so as to allow Lessee to exclude all or a portion
of the Excess Premises (as defined below) but retain the Lessee Development
Parcels (as defined below) which it deems necessary for its future business
growth and success, and (ii) make such other modifications to the Lease as are
set forth herein.

     E. Lessor is willing to agree to such changes to the Lease on the terms and
conditions set forth herein.

<PAGE>

                                   AGREEMENT

     NOW THEREFORE, in consideration of the agreements of Lessor and Lessee
herein contained and other valuable consideration, the receipt and adequacy of
which are hereby acknowledged, Lessor and Lessee hereby agree to modify the
Lease as follows:

1.   PREMISES REDUCTION OPTION

     (a) Exercise of Reduced Premises Option. Attached hereto as Exhibit D is a
map of the Premises originally covered by the Lease (the "Original Premises")
that divides the Original Premises into the "Lessee Development Parcels" and the
"Excess Premises". Notwithstanding anything to the contrary contained in the
Lease, Lessee shall have a one-time option (the "Premises Reduction Option") to
exclude from the Lease any portion of the Excess Premises having an area of not
less than twenty (20) acres nor more than forty (40) acres, on the terms and
conditions set forth herein. Provided that no Material Default is then
continuing, Lessee may exercise the Premises Reduction Option at any time during
the period commencing on July 1, 2002 and expiring on May 30, 2003 by delivering
written notice of such exercise to Lessor (the "Option Exercise Notice")
identifying the portion of the Excess Premises to be excluded from the Lease
(the "Excluded Premises"). (The Original Premises less the Excluded Premises is
sometimes referred to herein as the "Retained Premises".)

     (b) Lessor's Right to Draw Upon Letters of Credit. If Lessee validly
exercises the Premises Reduction Option pursuant to subparagraph (a) above, then
Lessor shall be entitled to draw upon the Letters of Credit as provided in
Paragraph 3 below; provided, however, that if the Excluded Premises consists of
less than all of the Excess Premises, Lessor shall be entitled to draw upon the
Letters of Credit as provided in Paragraph 3 below only after Lessor approves in
writing the location and configuration of the Excluded Premises (which approval
shall not be unreasonably withheld). If Lessor becomes entitled to draw upon the
Letters of Credit pursuant to this subparagraph (b), Lessor shall use reasonable
efforts to submit to the LC Issuer(s) all materials necessary to effect such
drawing(s) within three (3) Business Days after becoming so entitled.

     (c) Reduction of Certain Obligations of Lessee. From and after the Premises
Reduction Date (as defined below):

          (i) subject to subparagraph (f) below, the Annual Base Rent and the
     Impositions under the Lease shall be reduced proportionately based on the
     ratio that the aggregate gross square footage of the Retained Premises
     bears to the aggregate gross square footage of the Original Premises;

          (ii) the Lease shall be deemed to be modified as provided in Paragraph
     2 below; and

          (iii) the parties shall make such modifications to the Lease as are
     required under Paragraph 7(a) below as soon as reasonably practicable.

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     "Premises Reduction Date" shall mean the first (1st) day, if any, which (i)
     occurs not earlier than five (5) days after delivery of the Option Exercise
     Notice, (ii) is the first (1st) day of a calendar month, and (iii) is a day
     on which (x) Lessor has successfully drawn upon the Letters of Credit
     pursuant to subparagraph (b) above and Paragraph 3 below and has received
     the proceeds from such draw, and (y) no Material Default is then
     continuing. If Lessee validly exercises the Premises Reduction Option on or
     prior to September 30, 2002 and has paid any portion of the Impositions
     with respect to the Excluded Premises for the period from July 1, 2002 to
     September 30, 2002, Lessor shall allow Lessee a credit in the aggregate
     amount of such payments against future Annual Base Rent payable by Lessee
     under the Lease (as modified hereby) with respect to the Retained Premises.

     (d) Separation of Excluded Premises from Retained Premises. As soon as
reasonably practicable following the Separation Date (as defined below), the
parties shall make such modifications to the Lease as are required under
Paragraph 7(b) below. "Separation Date" means the later of (i) the Premises
Reduction Date, or (ii) the day on which the conditions described in clauses (B)
and (C) of the definition of "Exclusion Conditions" set forth in Paragraph
1(e)(ii) below (the "Separation Conditions") are satisfied.

     (e) Exclusion of Excluded Premises.

          (i) If Lessee validly exercises the Premises Reduction Option pursuant
     to subparagraph (a) above, then within fifteen (15) days after the
     occurrence, if any, of the satisfaction of all of the Exclusion Conditions
     (as defined in subparagraph (e)(ii) below), Lessor and Lessee shall execute
     and deliver (and, if applicable, cause to be recorded in the Official
     Records such document or a memorandum thereof) each of the following
     documents: (i) a modification of the Lease providing that the Excluded
     Premises shall be excluded from the Lease and that Lessee shall have no
     rights or obligations under the Lease (as opposed to the Related
     Agreements) with respect to the Excluded Premises (other than any rights or
     obligations of Lessee under the Lease relating to the Excluded Premises
     which, under the terms of the Lease, would survive the Termination Date),
     and (ii) the Related Documents (as defined in subparagraph (e)(ii) below).
     All costs and expenses incurred in connection with such additional
     modification of the Lease (but not this Modification) or in connection with
     the Related Documents, including, without limitation, recording fees,
     premiums for title insurance endorsements that Lessor may reasonably
     require, and legal fees and disbursements, shall be paid by Lessee.

          (ii) As used herein, "Exclusion Conditions" shall mean the following
     conditions: (A) the Premises Reduction Date shall have occurred; (B) the
     Retained Premises shall consist of one or more separate legal lots or
     parcels which comply in all respects with all applicable subdivision and
     lot split laws and ordinances; (C) the Excluded Premises shall consist of
     one or more separate legal lots or

                                       3

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     parcels which comply in all respects with all applicable subdivision and
     lot split laws and ordinances; (D) Lessor and Lessee shall have approved in
     writing, each in its reasonable discretion, the form(s) of one or more
     written agreements (the "Related Agreements") which (1) establish such
     easements, covenants and restrictions relating to the Retained Premises and
     the Excluded Premises as may be reasonably satisfactory to each party, and
     (2) allocate between Lessee and Lessor, based upon the respective benefits
     reasonably estimated by the parties to be conferred upon the Retained
     Premises and the Excluded Premises and/or any other relevant equitable
     considerations: (x) any obligations to construct and/or maintain, or pay
     the costs of any construction and/or maintenance of, any infrastructure
     improvements required by the City of San Jose in connection with the
     development of the Original Premises, including, without limitation, any
     such obligation that must be satisfied as a condition to recordation of any
     final map, (y) any residual obligations arising under the Purchase
     Agreement, and (z) any other rights and responsibilities that might be
     customary or desirable for the operation, development and/or ownership of
     the Retained Premises and the Excluded Premises; (E) Lessor and Lessee have
     agreed upon the modifications that are required to be made to the Lease
     pursuant to Paragraphs 7(a) and 7(b) hereof, and (F) no Material Default
     shall be continuing.

     (f) Prepaid Rent. Lessee acknowledges and agrees that despite the reduction
of Annual Base Rent and Impositions under the Lease from and after the Premises
Reduction Date pursuant to subparagraph (c) above and the reduction of certain
other obligations of Lessee under the Lease pursuant to subparagraphs (c) and
(d) above and Paragraphs 2, 7(a) and 7(b) below, Lessor shall not be obligated
under any circumstances to refund to Lessee any Adjusted Base Rent which has
been prepaid by Lessee for any period following the Premises Reduction Date and
which is attributable to the Excluded Premises. Lessee further acknowledges and
agrees that all such prepaid Adjusted Base Rent relating to the Excluded
Premises for periods after the Premises Reduction Date was fully earned by
Lessor when it was paid.

     (g) Entitlements; Cooperation. Lessee shall continue to diligently pursue
obtaining approval of the Entitlement Documents from the City of San Jose and
Lessor shall reasonably cooperate, at no expense to Lessor, in obtaining such
approvals. All costs and expenses incurred in connection with the preparation,
filing and processing of the Entitlement Documents shall be borne by Lessee
exclusively. Notwithstanding anything herein to the contrary, upon satisfaction
of the Separation Conditions, Lessee shall have no further obligation to process
or file any final map(s), pursuant to Vesting Tentative Map PTSH02-04, with
respect to any portion of the Excluded Premises. Lessee shall make diligent
efforts, at its sole cost and expense, to cause the Separation Conditions to be
satisfied as soon as reasonably practicable, and Lessor shall reasonably
cooperate with such efforts at Lessee's sole cost and expense. Lessor and Lessee
shall also negotiate in good faith to reach agreement on the forms of the
Related Agreements.
                                       4

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2.   INITIAL DEVELOPMENT OF PROJECT

     Once the Premises Reduction Date occurs, Section 7.1(b) of the Lease shall
be deleted in its entirety and the following shall be inserted in its place:

          (b) Lessor acknowledges, as of the date of the Second Modification to
     Ground Lease dated as of May 20, 2002 between Lessor and Lessee (the
     "Second Modification"), that (i) Lessee has submitted to Lessor, in the
     form of the Entitlement Documents (as defined in Recital C of the Second
     Modification), a detailed plan (the "Preliminary Plan") for the development
     of the Initial Improvements on the Retained Premises (as defined in
     paragraph 1(a) of the Second Modification), including, without limitation,
     an area plan showing the proposed location of the Initial Improvements on
     the Retained Premises and a detailed description of the proposed uses of
     the Initial Improvements (which uses shall be consistent with the Permitted
     Uses), and (ii) Lessor has approved the Preliminary Plan/Entitlement
     Documents. The Preliminary Plan/Entitlement Documents, as so approved by
     Lessor, shall be herein referred to as the "Approved Development Plan."

3.   LETTERS OF CREDIT

     Upon satisfaction of the conditions set forth in Paragraph 1(b) above and
in payment of the amounts due from Lessee to Lessor on account of the exercise
of the Premises Reduction Option with respect to the Excluded Premises, Lessor
shall be entitled to draw down the Letters of Credit by an amount equal to (i)
the quotient, expressed as a percentage, of (x) the area of the Excluded
Premises, expressed in number of acres, divided by (y) forty (40) acres,
multiplied by (ii) $25,000,000, and any amount so drawn shall be deemed
forfeited by Lessee and treated as Lessee's cost to exercise the Premises
Reduction Option. Thereafter, the terms "LC Face Amount" and "Augmented LC Face
Amount", as used in the Lease, shall mean the amount available under the Letters
of Credit after the draw down by Lessor pursuant to this Paragraph 3. From and
after such draw upon the Letters of Credit, Section 9.1(c) of the Lease shall be
deemed to be deleted from the Lease. Lessor and Lessee hereby agree that Lessee
shall, at its sole cost and expense, cause the Letters of Credit to be amended
to permit a draw thereunder pursuant to this Paragraph. Lessee acknowledges and
agrees that the value of the rights and benefits that will accrue hereunder to
Lessee as a result of Lessee's valid exercise of the Premises Reduction Option
(including, without limitation, the reduction of Annual Base Rent and
Impositions pursuant to Paragraph 1(c)(i) above and the reduction of Lessee's
development obligations pursuant to Paragraphs 7(a) and 7(b) below) is fair and
at least reasonably equivalent to the costs that will be incurred by Lessee as a
result of Lessor's draw upon the Letters of Credit pursuant to this Paragraph 3.

4.   REPRESENTATIONS, WARRANTIES AND COVENANTS

     Lessee hereby represents, warrants and covenants to Lessor as follows:

                                        5

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     (a) Lessee is a corporation, duly organized, validly existing and in good
standing under the laws of the State of Delaware, and is duly qualified to
transact business in the State of California.

     (b) Lessee has taken all necessary action to authorize the execution,
delivery and performance of this Modification. This Modification constitutes the
legal, valid and binding obligation of Lessee.

     (c) Lessee has the right, power, legal capacity and authority to enter into
and perform its obligations under this Modification, and no approval or consent
of any Person is required in connection with Lessee's execution and performance
of this Modification that has not been obtained. The execution and performance
of this Modification will not result in or constitute any default or event that
would be, or with notice or lapse of time or both would be, a default, breach or
violation of the organizational instruments governing Lessee or any agreement or
any deed restriction or order or decree of any court or other governmental
authority to which Lessee is a party or to which it is subject.

     (d) Lessee is the sole owner and holder of the leasehold estate and
leasehold interest created by the Lease, and Lessee has not made or agreed to
make any assignment, sublease, transfer, conveyance, encumbrance, or other
disposition of the Lease, Lessee's leasehold estate or any other right, title or
interest under or arising by virtue of the Lease.

     (e) Lessee has not (i) made a general assignment for the benefit of
creditors, (ii) filed any voluntary petition in bankruptcy or suffered the
filing of an involuntary petition by its creditors, (iii) suffered the
appointment of a receiver to take possession of all or substantially all of its
assets, (iv) suffered the attachment or other judicial seizure of all or
substantially all of its assets, (v) admitted in writing its inability to pay
its debts as they become due, or (vi) made an offer of settlement, extension or
composition to its creditors generally.

     (f) At the time of the execution of this Agreement, Lessee is generally
paying its debts as they become due, and the aggregate value of Lessee's assets
at fair value exceeds the aggregate value of Lessee's liabilities.

     Lessee shall take all actions necessary to ensure that each of the
representations, warranties and covenants contained in this Paragraph 4 remain
true and correct in all material respects at all times during the period between
the date of this Modification and the expiration of the Term and any holdover
period.

5.   OPTION FEE

     Concurrently with the execution of this Modification, Lessee shall pay to
Lessor for the Premises Reduction Option a fee in the amount of Five Million
Dollars ($5,000,000.00) (the "Premises Reduction Fee"). The Premises Reduction
Fee shall be

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deemed fully earned when paid to Lessor and shall not be refundable to Lessee,
in whole or in part, at any time. Lessee shall not be obligated to reimburse
Lessor for any fees and expenses, including attorney fees and expenses, it
incurs in connection with the negotiation or preparation of this Modification.
Lessee acknowledges and agrees that the value of the Premises Reduction Option
received by Lessee pursuant to this Modification is fair and at least reasonably
equivalent to the Premises Reduction Fee.

6.   IMPOSITIONS.

     Lessor and Lessee acknowledge that Lessee has filed an appeal of the
assessment applicable to the Original Premises for real estate tax purposes with
respect to the fiscal year 2001-2002 and that such appeal, if successful, could
result in a refund of real estate taxes for the fiscal year 2001-2002 which have
been paid by Lessee with respect to the Original Premises. Notwithstanding
anything herein to the contrary, Lessor and Lessee hereby agree that any such
tax refund received with respect to the Original Premises shall first be applied
toward Lessee's costs of prosecuting such appeal, and any excess remaining
thereafter shall be equitably allocated between Lessee and Lessor based on the
portion of such real estate taxes that were previously paid by Lessee and
Lessor, respectively.

7.   FURTHER ASSURANCES

     (a) Lessor and Lessee hereby agree that from and after the Premises
Reduction Date, the parties shall make such further mutually acceptable
reasonable changes to the Lease as are necessary to reflect that the Annual Base
Rent and the Impositions under the Lease have been reduced pursuant to Paragraph
1(c)(i) above and that Lessee shall have no further rights or obligations under
the Lease with respect to the Excluded Premises, except for: (i) Lessee's rights
and obligations under the following sections of the Lease: 2; 3.1; 3.2; 6; 7.3
(subject to Paragraphs 1(e) and 1(g) above); 10.1(d); 10.1(g); 10.2; 12; 13, 14;
15.1; 15.2; 15.3; 15.4; and 23, and (ii) any other obligations of Lessee that,
under the terms of the Lease, would survive the Termination Date. By way of
example, but not limitation, the definitions of "Aggregate Permitted Square
Footage", "Initial Improvements", "Initial Investment Amount", "Minimum Initial
Improvements" and "Qualifying Buildings" shall be appropriately adjusted to
reduce Lessee's construction rights and obligations proportionately based on the
relative size of, and the extent of the Entitlements allocated to, the Retained
Premises as compared to the Original Premises. Also, by way of example, but not
limitation, the definitions of "Maximum Reversion Value", "Initial Amount" and
"Base Amount" in Section 20(b) of the Lease shall also be equitably modified to
reflect the size of the Retained Premises relative to the size of the Original
Premises.

     (b) Lessor and Lessee hereby agree that from and after the Separation Date,
the parties shall make such further mutually acceptable reasonable changes to
the Lease as are necessary to reflect that Lessee shall have no further rights
or obligations under the Lease
                                       7

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with respect to the Excluded Premises, except for any obligations that, under
the terms of the Lease, would survive the Termination Date.

     (c) Each of the parties hereto agrees to cooperate at all times from and
after the date hereof with respect to any of the matters described herein, and
to execute such documents as may be reasonably requested for the purpose of
giving effect to, evidencing or giving notice of the matters contemplated
herein.

8.   BROKERS

     Lessor and Lessee each represents and warrants to the other that neither it
nor its officers or agents nor anyone acting on its behalf has dealt with any
real estate broker in the negotiating or making of this Modification, and each
party agrees to indemnify and hold harmless the other from any claim or claims,
and costs and expenses, including attorneys' fees, incurred by the indemnified
party in conjunction with any such claim or claims of any other broker or
brokers to a commission in connection with this Modification as a result of the
actions of the indemnifying party.

9.   MISCELLANEOUS

     A. As amended hereby, the Lease is hereby ratified and confirmed in all
respects. In the event of any inconsistencies between the terms of this
Modification and the Lease, the terms of this Modification shall prevail. This
Modification shall bind and inure to the benefit of Lessor and Lessee and their
respective legal representatives and successors and assigns.

     B. This Modification may be executed in counterparts each of which
counterparts when taken together shall constitute one and the same agreement.

     C. Except as set forth in this Modification, all terms and conditions of
the Lease shall remain in full force and effect.

     D. This Modification, with exhibits, is a fully-integrated agreement which,
together with the Lease, contains all of the parties' representations,
warranties, agreements and understandings with respect to the subject matter
hereof.

                                       8

<PAGE>

     IN WITNESS WHEREOF, Lessor and Lessee have executed this Modification as of
the date first above written.

                                LESSOR:

                                iSTAR SAN JOSE, LLC,
                                a Delaware limited liability company

                                By: TriNet Corporate Realty Trust, Inc.,
                                    a Maryland  corporation,
                                    Its: Sole Member

                                    By:_________________________________________

                                    Name:_______________________________________

                                    Title:______________________________________

                                LESSEE:

                                EQUINIX, INC.,
                                a Delaware corporation

                                By:_____________________________________________

                                Name:___________________________________________

                                Title:__________________________________________

                                By:_____________________________________________

                                Name:___________________________________________

                                Title:__________________________________________

                                       9

<PAGE>

                                    Exhibit D

                 Lessee Development Parcels and Excess Premises

                                [to be attached]

                                        1<PAGE>

                                                                   Exhibit 10.54

                                              *CONFIDENTIAL TREATMENT REQUESTED.
                          CONFIDENTIAL PORTION HAS BEEN FILED SEPARTELY WITH THE
                                             SECURITIES AND EXCHANGE COMMISSION.

                              AMENDED AND RESTATED

                            MASTER SERVICE AGREEMENT

This Amended and Restated Master Service Agreement (the "Agreement") Number
4902S80037-001 is entered into between Equinix, Inc. ("Equinix") and the
Customer named below ("Customer" or "IBM") and is effective as of May 1, 2002
("Effective Date"). This Agreement supersedes and replaces the agreement dated
May 1, 2000 in its entirety and includes the following Attachments:

Attachment 1      Recurring Fees and Installation Charges
Attachment 2      Internet Business Exchange Center Policies
Attachment 3      Equinix IBX Facilities
Attachment 4      Financial Compliance Certificate
Attachment 5      IBX Building Guidelines
Attachment 6      IBX Flex Rules

In the event of any conflict in these documents, the order of precedence will be
(i) this Agreement; (ii) the Attachments and (iii) the Sales Orders. Capitalized
terms used but not defined elsewhere in the body of this Agreement will have the
meaning given to such terms in the Policies if defined therein.

                  1.  License Terms and Responsibilities of the Parties.

                  (a) Upon payment of the applicable fees and subject to the
terms and conditions herein, Equinix grants Customer a license ("License") for
exclusive use of the cage areas and/or cabinets or rack spaces (hereinafter
"Space" or "Licensed Spaces") of the IBX Facility (as defined below) identified
in any Sales Order separately signed by Equinix and Customer on or after the
Effective Date, for the purpose of installing, operating, maintaining, altering
and repairing ("Using") hardware and software which is located in the Space and
does not belong to Equinix ("Equipment"). At no additional charge, Equinix will
provide the Core Services, each of which are described in the Attachment 2
-Internet Business Exchange Center Policies and some of which are more fully
described in Attachment 3. Equinix has the right at any time to add Core
Services or, upon advance written notice to Customer, to modify any Core
Services to the extent that such modifications do not materially adversely
affect Customer's operations at the IBX Centers. Additional Services (as defined
in the Polices and some of which are more fully described in Attachment 3) are
not included in the charges for Space, and Customer is fully responsible for
separately paying for all Additional Services Customer requests and receives.
All payment and financial terms for Additional Services will be governed by this
Agreement, including the Sales Orders and Online/Phone Orders (defined below in
Section 1(d)) between the Customer and Equinix. The set-up and licensing of the
Licensed Spaces, the Core Services and any Additional Services provided to
Customer hereunder shall be collectively referred to herein as the "Service". If
Equinix and Customer sign any Sales Orders after the Effective Date, the Space
identified in that Sales Order will become part of the "Space" for all purposes
under this Agreement. In addition, as may from time to time be requested by
Customer, Equinix shall exercise commercially reasonable efforts to provide
onsite or offsite workstations with telephone and internet connections and
onsite or offsite warehouse storage space, in each case at rates as may be
agreed upon from time to time. Under this Agreement, "IBX Facility" means each
of the Internet Business Exchange Facilities located at an address specified in
each Sales Order Form between Equinix and Customer within the contiguous
forty-eight states of the United States. Equinix represents and warrants that
each IBX Facility constructed as of the Effective Date meets the design and
construction specifications set forth in Attachment 5 hereto.

                                     Page 1

<PAGE>

                  (b) Equinix has adopted policies that apply to all users of
the IBX Facility (including all shipping and receiving procedures, "Policies").
The Policies in effect as of the Effective Date are attached to this Agreement
as Attachment 2. It is understood by the Customer that multiple customers of
Equinix may be located at any particular IBX Facility and the Policies are
intended to facilitate and promote the orderly and efficient usage of the IBX
Facilities for the benefit, safety and protection of all customers and Equinix
shall be entitled to make reasonable changes to the Policies from time to time
in that context; provided, however, that (i) without the consent of Customer,
Equinix shall not make changes in the Policies that unreasonably interfere with
or hinder Customer's Use of the Space under the terms of this Agreement, and
(ii) no change in the Policies shall be binding upon Customer until Equinix has
notified Customer thereof. Equinix and Customer agrees to comply with the
Policies in effect from time to time, and Equinix agrees to enforce the Policies
in a non-discriminatory manner against all customers. With respect to Customer's
use of IBX Flex Space, the parties also agree to abide by the IBX Flex Rules set
forth in Attachment 6.

                  (c) Customer acknowledges that the License is only to use the
Space, and that Customer has not been granted any real property or other
interests in the Space, the premises or the Building.

                  (d) Under the terms and conditions set forth herein, Equinix
grants Customer access to its customer care website ("Customer Care Website")
located on the Internet at eccs.equinix.com or any other domain name Equinix may
determine from time to time at its sole discretion. Notwithstanding anything in
Section 1(b) to the contrary, Equinix may reasonably modify the functionality of
the Customer Care Website upon providing Customer with 30 days advance written
notice of such changes, and if Equinix develops Customer Care Website Usage
Policies, Customer must comply with commercially reasonable Customer Care
Website Usage Policies. Notwithstanding the above, Equinix may add services from
time to time to the Customer Care Website as it deems appropriate without
notice. The Customer Care Website is secured and only Equinix, Equinix's
customers and those authorized by Equinix's customers to act on such customers'
behalf are authorized to access the Customer Care Website. Equinix will provide
Customer with an account and password for use of the Customer Care Website (e.g.
to place orders for Services, which are referred to in this Agreement as "Online
Orders", to the extent permitted by Equinix) and to place orders for Services
via the telephone to the extent permitted by Equinix ("Phone Orders") (Online
Orders and Phone Orders will collectively be referred to as "Online/Phone
Orders"). Customer is responsible for maintaining the confidentiality of its
account and password and for restricting and granting access thereto.
Notwithstanding anything in this Agreement to the contrary, Customer is
responsible and liable for all activities that occur under Customer's account
(including all payments owed for any Online/Phone Orders that are placed under
Customer's account), regardless of whether such activities are conducted by
Customer, a Sublicensee or any other third party, and regardless of whether such
Orders are authorized by Customer. Equinix has no obligation to verify that
anyone using Customer's account and password has Customer's authorization.
Notwithstanding anything in this Agreement to the contrary, upon notification
from Customer of unauthorized use of Customer's account, Equinix shall use
commercially reasonable efforts to stop or abate the unauthorized use reported
by Customer and limit Customer's costs resulting from the reported unauthorized
use.

                  (e) Equinix Responsibilities

                        1) The IBX Facility will be open for Customer access
twenty-four (24) hours a day, seven (7) days a week, except in the event of an
emergency. Equinix will allow Customer access to the IBX Facility at all times,
and Customer shall have the non-exclusive right to access the common space as
described below.

                        2) Equinix will make any Cross-Connect requested by
Customer and approved by the other customer to which the Cross-Connect is made
within twenty-four (24) hours of such request or such longer period as is
necessary and as may be consented to by Customer, such consent not to be
unreasonably withheld. Customer will be charged for the Cross-Connect at the
agreed upon rates specified in Attachment 1 (subject to the limitations set
forth therein), subject to Section 7.

                        3) Equinix shall not in any way be responsible for
connections between items of Customer's Equipment, including between Customer's
POD Equipment and Customer's other Equipment.

                                     Page 2

<PAGE>

                        4) In the event of an emergency, the Equinix Sales
Director or Equinix Implementation Manager for the IBM account will phone both
the IBM Project Manager and the IBM Operations Director, unless otherwise agreed
to by the parties in writing.

                        5) Equinix will provide the same or similar access to
the parking lots, restrooms, work areas and any other common spaces in the IBX
Facility as Equinix provides any other customers.

                        6) Equinix will not interfere with, touch, maintain,
use, upgrade, repair or operate Customer's Equipment, except in an emergency or
unless authorized by Customer's use of the "Smart Hands" service. Equinix will
not allow third parties other than those acting on Equinix's behalf to enter
Customer's Space.

         2. Use of Space by Others.

         Customer may allow other parties who obtain services from Customer to
use the Space in the same manner as Customer (e.g., by sub-licensing the Space
to others), subject to all of the terms and conditions in this Agreement and in
the Policies. Notwithstanding that Customer may allow others to use the Space as
provided, Customer shall remain fully responsible to Equinix for performance of
all Customer's obligations under this Agreement. Aside from the foregoing,
Customer may not sublicense the Space or otherwise allow customers to use it.

         3. Insurance; Indemnity.

               (a) Neither Equinix nor Customer shall have any obligation to
insure any property belonging to or in the possession of the other.

               (b) Each party shall defend, indemnify and hold each other
harmless against all third-party claims for liability, loss, damages, and
expenses (including reasonable attorneys' fees and legal costs) resulting from
bodily injury to or death of any person, or loss of or damage to real or
tangible personal property for which the party from whom indemnity is sought is
legally liable.

         4. Non-Interruption of Service.

               (a) Equinix shall use its best efforts to minimize errors and
interruptions in the Service.

               (b) Equinix shall not intentionally interrupt (or take any action
that is likely to interrupt) the Service without providing at least thirty (30)
days prior written notice and obtaining Customer's prior written consent.
Notwithstanding the foregoing, Customer acknowledges that, under emergency
circumstances, Equinix may be precluded from providing such notice or obtaining
such consent or may provide less than thirty (30) days prior notice.

               (c) Service Levels

                   (i)  Equinix acknowledges that Customer will be damaged by
any interruption of Core Services in Customer's Space which causes any Customer
Equipment to not be operable or causes any Customer Equipment to be recycled,
and which, as a consequence prevents Customer from providing services to itself
or third parties (an "Outage"). Equinix will provide Customer with SLA Credits
for the Outages described below for the portion of Customer's Space at the
relevant IBX Facility where the interruption of a Core Service actually occurs
("Affected Space"). The length of an Outage shall be measured by the length of
the interruption only, and shall not be measured by the length of time required
for Customer to render its Equipment operational.

                   (ii) Customer will deploy certain Equipment which is
necessary to the functioning of other Equipment ("Critical Equipment"). Customer
will identify Critical Equipment in a schedule to each Sales Order. Customer
will connect all Critical Equipment to redundant power supplies.

                   (iii) SLA Credits

                                     Page 3

<PAGE>

                        a. For an Outage of one hour or less, Customer will
receive an amount equal to [*] of the Space charges for the Affected Space for
the [*] period immediately prior to the Outage.

                        b. For an Outage of more than one hour or more but less
than four hours, Customer will receive an amount equal to [*] of the Space
charges for the Affected Space for the [*] period immediately prior to the
Outage.

                        c. For an Outage of four hours or more but less than
eight hours, Customer will receive an amount equal to [*] of the Space charges
for the Affected Space for the [*] period immediately prior to the Outage.

                        d. For an Outage of eight hours or more up to
twenty-four hours, Customer will receive an amount equal to [*] of the Space
charges for the Affected Space for the [*] period immediately prior to the
Outage.

                        e. For an Outage of more than 24 hours, Customer will
receive an amount equal to [*] of the Space charges for the Affected Space for
the [*] period immediately prior to the Outage plus Customer's actual damages
for period after 24 hours.

                   (iv) Recurring Outages

                        a. If there are more than three Outages in the same IBX
Facility in any calendar month, Equinix shall [*].

                        b. If there are more than 6 Outages in the same IBX
Facility any calendar year, Equinix shall pay Customer [*].

                   (v)  The penalties set forth in Sections 4(c)(iii) and
                        4(c)(iv) are Customer's sole and exclusive remedy for
                        Outages.

                d) Equinix acknowledges and agrees that any material breach (or
attempt or threat of a material breach) by Equinix of any of the terms of this
Agreement that may or does interfere with Equinix's delivery of Service to
Customer (including any failure to ensure continuity of Service subsequent to
any termination of this Agreement) will cause irreparable injury to Customer for
which an adequate remedy at law will not be available. In such a circumstance,
Customer may proceed directly to court. Equinix therefore agrees that without
any additional findings of irreparable injury or other conditions to injunctive
relief (unless the court requires posting of a bond or similar security), it
shall not oppose the entry of an injunction, restraining order, order compelling
specific performance of such terms, or other equitable relief from any court or
regulatory authority of competent jurisdiction compelling performance by Equinix
and restraining it from committing any further breaches (or attempted or
threatened breaches).

                (e) Equinix shall not deny, withdraw, or restrict Equinix's
provision of the Service to Customer under this Agreement, except as
specifically and expressly agreed in writing by Equinix and Customer.

                (f) Pending the resolution of any dispute or controversy arising
under this Agreement (including any dispute regarding the basis for termination
of this Agreement), whether by settlement or final judgment, Equinix shall
continue to perform its obligations under this Agreement, and shall not
discontinue, disconnect, or in any other fashion cease to provide, lower the
quality of, or provide reduced levels of support for, all or any portion of the
Service unless directed to do so by Customer.

                (g) Equinix acknowledges and agrees that, notwithstanding any
other provision of this Agreement or any other agreement, or any set of
circumstances (including Customer's or Equinix's breach) leading to termination
of this Agreement, Customer shall not be left without the Service or suffer
reduced levels of Service quality or support unless and until Equinix has
complied in all material respects with the terms and requirements of Section 5.

______________________
*CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION.

                                     Page 4

<PAGE>

                (h) Equinix shall not deny, restrict or withdraw the Service or
any portion of it when any payment is past due. If any payments totaling more
than [*] are more than 90 days past due (excluding amounts for which there is a
Billing Dispute (as defined below in Section 4(i)), Equinix may (i) terminate
this Agreement (subject to Section 5) by notice to the Customer and/or require
reasonable security from Customer for any unpaid and undisputed amounts and any
amounts expected to be incurred during the Transition Period, which security
may, by agreement of the parties, take the form of a deposit, payment in escrow,
standby letter of credit or other agreeable form of security, (ii) deny the
provision of Additional Services, (iii) terminate Customer's right of first
offer for additional Space at any or all IBX Facilities under existing Sales
Orders and (iv) take any other actions (including instituting legal action) as
Equinix may be entitled to, other than restricting or withdrawing the Service or
any portion thereof prior to the end of the Term. The intent of the parties with
respect to clause (ii) of this Section 4(h) is that the Equinix may (A) refuse
to enter into new Sales Orders, (B) refuse to make any new Cross-Connect under
any existing Sales Order, (C) refuse to provide "Smart Hands" service under any
existing Sales Order, (D) refuse to make available any additional minimum
increments of Space specified in an existing Sales Order and not yet occupied by
Customer and (E) refuse to install additional cabinets under any existing Sales
Order.

                (i) A "Billing Dispute" shall mean a reasonable dispute by
Customer regarding an amount charged by Equinix and explained to Equinix in
writing no later than the stated due date of such amount if Customer withholds
payment due to such dispute. In the event of a Billing Dispute, the parties
shall work diligently and in good faith to resolve such Billing Dispute.

         5.  Transition Assistance.

                (a) Equinix recognizes (i) that the Service is vital to Customer
and must be continued without interruption, and (ii) that upon termination or
expiration of this Agreement a successor vendor may be retained to provide such
Service (or Customer may elect to provide the Service itself). As part of the
Service, Equinix shall therefore provide to Customer or Customer's designee the
Transition Assistance Service described in this Section 5 during the Transition
Period on a continuous basis. The "Transition Period" shall commence as provided
in Section 6(a) or, if earlier, upon the receipt of written notice of
termination of this Agreement by either party (whether pursuant to Section 6(a)
or otherwise) and shall continue for the lesser of (a) six (6) months following
such notice or (b) such time as is necessary for Customer to complete its
transition of the Service to Customer or Customer's designees, consistent with
Customer's reasonable business requirements. Customer agrees to act in an
expeditious manner during the Transition Period to terminate the Service
provided by Equinix hereunder. Throughout the Transition Period, Equinix agrees
to maintain at least the level and quality of Service in effect during the 90
days preceding the Transition Period, to perform the Transition Assistance
Service with the same degree of accuracy, quality, completeness, timeliness,
responsiveness, and cost-effectiveness as it was required to provide the same or
similar Service during the 90 days preceding the Transition Period, and to
cooperate in an orderly and efficient transition to a successor vendor. The
parties acknowledge and agree that the overriding principle of the transition to
a successor vendor shall be maintenance of the continuity of Service and
customer satisfaction. Customer may present a business plan to Equinix
specifically designed to achieve this and Equinix agrees to assist with and
provide guidance with respect to such business plan; and Equinix agrees to
provide all Service reasonably required by Customer to achieve the preceding
principle and a seamless transition of the Service to a successor vendor.
Equinix's Transition Assistance Services shall not extend beyond the Service or
activities in which Equinix has customarily engaged. Equinix's obligation to
provide Transition Assistance Service shall not be unduly disruptive of
Equinix's other operations. Customer shall provide Equinix reasonable prior
notice of the Transition Assistance Service to be provided hereunder. The
obligation of Customer to pay fees hereunder shall continue during the
Transition Period, and for Additional Services, Equinix shall be entitled to
additional reasonable compensation.

                (b) Equinix agrees to furnish Transition Assistance Service on
the terms and conditions contained herein. Equinix shall provide Transition
Assistance Service to Customer or its designee pursuant to this Section 5
regardless of the reason for the termination of this Agreement; provided that if
Equinix properly terminates this Agreement for Customer's failure to pay amounts
that are not reasonably disputed, Customer shall pay monthly in advance for
Transition Assistance Service to be provided or performed. To the extent
Customer requests Equinix to provide a portion (but not all) of the Service
included in a particular charge during the Transition Period, the amount to be
paid by Customer will be equitably adjusted in proportion to such portion.

                                     Page 5

<PAGE>

               (c) Equinix acknowledges that, in the event of any material
breaches (or attempts or threat of a material breach) with respect to its
obligation to provide Customer Transition Assistance Service as described in
this Section 5, Customer will sustain irreparable harm for which an adequate
remedy at law will not be available. In such a circumstance, Customer may
proceed directly to court. Equinix agrees that without any additional findings
of irreparable injury or other conditions to injunctive relief, it shall not
oppose the entry of an injunction, restraining order, order compelling specific
performance, or other equitable relief from any court or regulatory authority of
competent jurisdiction compelling performance by Equinix and restraining it from
committing any further breaches (or attempted or threatened breaches).

               (d) Even if not specifically described in this Section 5, Equinix
agrees to provide to Customer such Transition Assistance Service and related
Service, functions, responsibilities, and other work as are reasonably necessary
to ensure an seamless transition of the Service back to Customer or Customer's
designee. If any Service, functions, responsibilities, licenses, or other
components of work not specifically described herein are an inherent or
necessary part of a seamless transition of the Service or are reasonably
required for proper migration of the Service to Customer or Customer's designee,
such functions, responsibilities, and other components of work shall be deemed
to be included within the Transition Assistance Service as if specifically
described herein.

          6. Term of Agreement, Termination, and Renewal.

               (a) This Agreement shall have a term commencing on the Effective
Date and continue until the end of the Transition Period (the "Term"). Unless
earlier terminated as herein provided, the Transition Period shall commence
seventy-eight (78) months after the Effective Date; provided, however, that
following the initial twenty four (24) months of the Term (April 30, 2004),
Customer may terminate this Agreement if a "Designated Representative" of
Customer sends written notice to that effect to a "Designated Representative" of
Equinix. In such event, the Transition Period shall commence sixty (60) days
after the date of receipt by Equinix of such notice, and Customer shall have the
right, for a period of ten (10) days after such date, to withdraw such notice by
written notice from a Designated Representative of Customer to a Designated
Representative of Equinix. For Customer, "Designated Representative" shall mean
the Equinix Project Executive, and for Equinix, "Designated Representative"
shall mean the Chief Financial Officer.

               (b) Subject to Sections 4 and 5, if either party is in material
breach of this Agreement, the other party may terminate (at its discretion) this
Agreement as to any or all Space (including all Services associated with that
Space) upon thirty (30) days' prior written notice to the breaching party
provided that such breach is not cured within such period. Subject to Sections 4
and 5, as to any material breach of the Policies which by its nature cannot be
cured, Equinix may at its discretion terminate this Agreement as to any or all
Space (including all Services associated with that Space) then covered by
Customer's License hereunder, if such material breach recurs within the period
of twelve (12) months following written notice from Equinix to Customer of the
initial material breach, provided that Equinix terminates this Agreement within
ten (10) business days of actual knowledge of such recurrence. Termination is
not the sole remedy under this Agreement and, whether or not termination is
effected, except as expressly and unambiguously limited in this Agreement, all
other remedies will remain available to the non-breaching party.

               (c) If during the Term Equinix relocates an IBX Facility used by
Customer (other than as a result of matters described in Section 6(e)), Equinix
will: (1) provide Customer with Space, Services and support in the new location
that are reasonably equivalent to the Space, Services and support provided in
the previous location; (2) provide such new Space in a location within the same
proximity of the existing Space (i.e., within a 30 mile radius); and (3)
reimburse Customer for any reasonable one time or ongoing expenses incurred as a
result of the relocation; and if the relocation impacts Customer's ability to
meet any of its commitments and service levels (including any credit payments as
a result) to its customers, reimburse Customer for such credit payments.
Customer shall make commercially reasonable efforts to minimize such expenses
and credit payments.

               (d) Upon the end of the Transition Period with respect to any
particular Space, the License and all other rights of Customer with respect to
that Space, and the right to receive Services associated with that Space, shall
terminate, and Customer agrees to remove the Equipment, and any other property
belonging to the Customer no later than fifteen (15) days following the end of
the Transition Period; provided that Customer shall pay the fees payable
hereunder for such fifteen (15) day period.

                                     PAGE 6

<PAGE>

Equinix shall provide Customer with reasonable access to the Space in order to
remove the Equipment and all such other property and shall perform the
Transition Assistance Service as described in Section 5 during the Transition
Period. If Customer fails to remove the Equipment and all such other property no
later than fifteen (15) days following the end of the Transition Period, Equinix
shall be entitled to remove the Equipment and all such other property from the
Space and store it at Customer's expense at an off-site location.

               (e)   If any IBX Facility becomes the subject of a condemnation
action by any authority or person that has such power, either party shall have
the right to immediately terminate or abate this Agreement, subject in all cases
to Section 5. Equinix will notify Customer of the initiation of any termination
or possession action when Equinix receives such notice. Equinix agrees to
exercise commercially reasonable efforts to resist any such action and to delay
the effective date of any such condemnation to a date after the completion of
the applicable Transition Period.

          7. Price and Payment Terms.

               (a)   Customer shall pay Equinix the agreed upon recurring charge
(hereinafter "Recurring Charges") and other charges (including fees for "Smart
Hands" service) set forth in each Sales Order signed by the parties. Customer's
obligation to pay Recurring Charges shall commence for any Sales Order signed by
the parties on the Install Date specified on that Sales Order. Customer shall
also pay the agreed upon nonrecurring charges (hereinafter "Nonrecurring
Charges"). The agreed upon Recurring Charges, Nonrecurring Charges and fees for
"Smart Hands" service are specified in Attachment 1 (subject to the limitations
set forth therein). The prices applicable to any Sales Order signed by the
parties shall remain in effect for the first two years after the Effective Date.
Thereafter, prices shall be subject to change as described in this Section 7.
The calculation of fees and billing is further described in Attachment 1.

               (b)   Subject to [*] review, Equinix shall calculate and apply an
adjustment based on economic changes ("Inflation Adjustment") to the Recurring
Charges and Nonrecurring Charges, beginning twenty-four (24) months after the
Effective Date. The Inflation Adjustment will be payable on a prospective basis
on the Recurring Charges and Nonrecurring Charges. Equinix and Customer agree to
use the greater of [*]. In the event the [*] or substantially changes its
content and format, Equinix and Customer will substitute another comparable
index published at least annually by a mutually agreeable source. The Inflation
Adjustment shall be determined in the following manner:

               (i)   for the third year beginning after the Effective Date, the
Inflation Adjustment shall equal the greater [*];

               (ii)  for the fourth year beginning after the Effective Date, the
Inflation Adjustment shall equal [the greater of [*] : and

               (iii) for each succeeding year beginning after the Effective
Date, the Inflation Adjustment shall be determined in a manner analogous to
clause (ii).

               (c)   Payment of all Recurring Charges, Nonrecurring Charges or
other fees or charges due Equinix shall be due thirty (30) days after receipt by
Customer of an invoice therefor. All payments will be made in U.S. dollars.

               (d)   Customer shall be responsible for all taxes, governmental
fees, and third-party charges related to the ownership and operation of the
Equipment and the activities of Customer at each IBX Facility where Space is
located. Each party shall be responsible for: (i) any personal property or use
taxes on equipment or property it owns or leases (as lessee or sub-lessee),
except where Customer leases equipment or property from Equinix, in which case
Equinix shall be responsible for personal property or use taxes thereon; (ii)
franchise and privilege taxes on its business; and (iii) taxes based on its net
income or gross receipts.

____________________________
* CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION.

                                     PAGE 7

<PAGE>

               (e) Equinix represents and warrants that the fees and prices
charged under this Agreement for Colocation Services, Connectivity Services and
Additional Power Services (all as referred to in Attachment 1) shall not [*].

          One time during the first two years after the Effective Date and at
Customer's written request, Equinix shall commence a review of [*] Colocation
Services, Connectivity Services and Additional Power Services (all as referred
to in Attachment 1) under this Agreement which will be performed by an
independent third party experienced in such matters selected by Equinix and
reasonably acceptable to Customer (the "Reviewer"). [*] review shall [*] (ii) be
consistent with industry benchmarking standards for contract normalization and
(iii) incorporate a methodology by which the differences in geographic location
and any other relevant factors which may be unique to the terms and conditions
of this Agreement are included. Upon conclusion of the [*] review, the Reviewer
shall present a written report of its findings to the parties. This report shall
[*]. If the Reviewer determines that the [*] as of the anniversary of the
Effective Date in the case of an annual [*] review or as of the date of
Customer's [*] review requested by Customer [*].

          The Reviewer shall be engaged by Customer and Equinix jointly but the
fees and expenses of the Reviewer shall be shared equally by Customer and
Equinix.

          For purposes of [*] fees and prices for Colocation Services,
Connectivity Services and Additional Power Services (all as referred to in
Attachment 1) charged to Customer under this Agreement [*] such fees and prices
charged to [*], such fees and prices shall be [*] on a "per cabinet" basis, and
Customer shall be deemed to have a number of cabinets equal to the square
footage of the Space divided by 20 square feet per cabinet, regardless of how
many cabinets are actually located in the Space.

          8. "Smart Hands" Service. Should Customer choose to use the "Smart
Hands" service offered by Equinix, Customer agrees to pay the agreed upon fees,
subject to adjustment as set forth in Section 7. Equinix reserves the right to
require that the Customer sign an additional agreement (to be mutually agreed
to) relating to such service. The only obligation of Equinix with respect to its
"Smart Hands" service shall be to carry out the express instructions of
Customer. Equinix reserves the right to require that instructions be given in
additional detail and/or in writing (which may be by electronic mail). In the
event that Equinix fails to correctly carry out the express instructions of
Customer, the sole remedy shall be, at the option of Equinix, to not charge
Customer for the service not correctly performed or to correct the work.

          9. Warranty Disclaimer and Limitation of Liability.

               (a) All Service performed by Equinix for Customer will be
performed in a workmanlike manner in accordance with industry standards and
practices applicable to the performance of such Service.

               (b) Except for the cross-indemnity referred to in Section 3(b)
above, Equinix's and Customer's entire liability for damages under this
Agreement, regardless of the basis on which Equinix or Customer is entitled to
claim damages (including breach, negligence, misrepresentation, or other
contract or tort claim), will be limited in the aggregate for all claims and
causes of actions to an amount equal to the greater of (i),[*] and (ii) the
amount actually paid by Customer to Equinix for the Service provided under this
Agreement during the [*] the occurrence of any claim or cause of action under
this Agreement. In applying the foregoing limitation, all amounts previously
paid by either party in respect of all claims and causes of action under this
Agreement shall be counted against the limitation; provided, however, that
credits received by Customer under Section 4(c) shall not be so counted.

               (c) The limitation of liability in subsection 9(b) above does not
apply to Customer's failure to pay any amounts owing to Equinix under this
Agreement for the Service.

               (d) In no event will Equinix, Customer, or their respective
affiliates, employees, officers, and directors have any liability under this
Agreement, regardless of the basis on which Equinix or Customer is entitled to
claim damages (including breach, negligence, misrepresentation, or other
contract or tort claim), for any special, incidental, punitive, or indirect
damages, or for any economic consequential

______________________
* CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION.

                                     PAGE 8

<PAGE>

damages (including lost profits or savings), even if foreseeable or even if
Customer or Equinix has been advised of the possibility of such damages;
provided that this subsection (d) (indirect damages) does not apply to
Customer's failure to pay any amounts owing to Equinix under this Agreement for
the Service.

               (e) In no event will Equinix, its affiliates, or their respective
employees, officers, and directors have any liability for any damages if and to
the extent caused by Customer's, its affiliates', or their respective
employees', officers', or directors' failure to perform Customer's obligations
under this Agreement, nor will Customer, its affiliates, or their respective
employees, officers, and directors have any liability for any damages if and to
the extent caused by Equinix's, its affiliates', or their respective employees',
officers', or directors' failure to perform Equinix obligations under this
Agreement.

               (f) Subject to Section 13(d), Equinix will defend, indemnify, and
hold Customer harmless against all losses, liabilities, damages, and claims
(including taxes), and all related costs and expenses (including any and all
reasonable attorneys' fees and reasonable costs of investigation, settlement,
judgment, interest and penalties) resulting from third party claims that arise,
or are alleged to have arisen, out of acts or omissions of Equinix or breach by
Equinix of any term of this Agreement, provided, however, in its contracts with
such third parties, Customer has reasonably limited its liability to such third
parties, for example, by excluding any liability for any loss of interest,
profit or revenue or for any consequential, indirect, incidental, special,
punitive or exemplary damages; and further provided, however that the foregoing
indemnification obligation of Equinix shall not apply with respect to an Outage
except in the situations specified in Section 4(c)(iv).

          10. Publicity and Confidentiality.

               (a) Any exchange of confidential information between the parties
shall be governed by the parties' Agreement for the Exchange of Confidential
Information ("AECI") dated March 10, 2000. The terms and conditions of this
Agreement, and the identities of any of Customer's customers or prospects, shall
be deemed to be Confidential Information under the AECI.

               (b) Neither party shall make any public announcement or other
public disclosure regarding the existence of this Agreement without the consent
and prior written approval by the other of the text of such announcement or
disclosure, which consent and approval shall not be unreasonably withheld.

               (c) Either party may include the other's name, and a factual
description of the work performed under this Agreement: (1) on employee bulletin
boards; (2) in its list of references; (3) in the experience section of
proposals; (4) in internal documents; and (5) in its annual report to
stockholders.

               (d) Each party shall not solicit the other party's Prospects
directly to provide services. In addition to any damages to which either party
may otherwise be entitled upon a breach this Section 10(d), the breaching party
shall pay the other twenty percent (20%) of any revenues it receives that
directly flow from the Prospect's license of Space in any IBX Facility (i.e.,
which are attributable to the IBX Facility services Equinix would normally
provide its customers) during the first twelve (12) months following such
solicitation, in order to compensate Customer or Equinix, as the case may be,
for sales and other efforts in connection with such Prospect. For purposes of
this Section, a "Prospect" is any person as to which Equinix or Customer, as the
case may be, notifies the other party in writing that such person is a
"Prospect" and such person has either (i) executed a binding letter of intent
with Equinix or Customer, as the case may be, with respect to services offered
at an IBX Facility or has entered into substantive contractual negotiations with
respect thereto or (ii) visited any IBX Facility at the invitation of Equinix or
Customer, as the case may be.

          11. Environmental

               a) Equinix represents and warrants that during the Term the IBX
Facility will not contain any unsafe condition or any substance or material
classified or considered hazardous or toxic under applicable law ("Hazardous
Materials") that, in either case, is in violation of applicable law. Customer
represents and warrants that during the Term Customer will not permit or suffer
to exist any unsafe condition in its Space or introduce any Hazardous Materials
that, in either case, is in violation of applicable law. If either party becomes
aware of the existence of any unsafe condition or Hazardous Materials at an IBX
Facility that is in violation of applicable law, such party will promptly
provide the other with written notice specifying the nature and location of such
unsafe condition or Hazardous Materials.

                                     PAGE 9

<PAGE>

                   b) Equinix will ensure that the Space provides a safe working
environment, including complying with any applicable laws.

                   c) Equinix will remedy any violation of law with respect to
any unsafe condition or the presence of Hazardous Materials not caused by
Customer. The investigation, detection, abatement, and remediation of any unsafe
condition or Hazardous Materials not caused by Customer will be the
responsibility of Equinix. Customer will remedy any violation of law with
respect to any unsafe condition or the presence of Hazardous Materials caused by
Customer. The investigation, detection, abatement, and remediation of any unsafe
condition or Hazardous Materials caused by Customer will be the responsibility
of Customer.

          12. [*]

              a.   [*]

          Equinix will provide Customer access to [*] enable Customer [*] (a)
the charges (including any credits payable in accordance with Section 4(c)); (b)
compliance by Equinix with the security requirements set forth in the Policies
(which audits may be made for the purpose of compliance with regulatory
requirements); and (c) compliance by Equinix with Section 7(e) hereof. Such [*]
will (i) only apply to the previous twelve months' activities; (ii) be conducted
upon reasonable prior notice (except in the case of physical security [*]; and
(iii) not unreasonably interfere with Equinix's operations. In carrying out such
[*], Customer and its [*] will not have access to Equinix's confidential
information (except as required to carry out the purpose of any [*] as provided
in the first sentence of this Section 12) or other customer confidential
information or to the terms of Equinix's agreements with other customers. Except
as set forth below, Customer shall be responsible for the cost of such [*].

          [*] demonstrates that Equinix's invoices for the Services for the [*]
were not correct, Equinix will promptly [*]. [*] demonstrates that Equinix has
not complied with Section 7(e) [*], Equinix will [*]. In both of the preceding
cases, if the amount of the [*] of the amount charged by Equinix (prior to
correction), Equinix will [*].

              b.   [*]

          Within ten (10) days of receipt of Customer's written request by
Equinix's CFO, Equinix shall provide Customer with [*] set forth in Attachment
4. Customer shall not request such [*] more than once per Equinix fiscal
quarter.

          13. Miscellaneous.

                   (a) Neither party shall assign or transfer the rights or
obligations associated with this Agreement, in whole or in part, without the
prior written consent of the other, except to any entity controlled by or under
common control with the assigning party or to any party acquiring all or
substantially all of assigning party's business or relevant assets, including
through merger.

                   (b) All notices, consents, or approvals required by this
Agreement shall be in writing sent by certified or registered air mail, postage
prepaid, or by facsimile or electronic mail (confirmed by such certified or
registered mail) to the parties at the addresses set forth at the end of this
Agreement or such other addresses as may be designated in writing by the
respective parties.

                   (c) This Agreement shall be governed by the laws of the State
of California, without reference to any conflict of law or choice of law
principles in the State of California that might result in the application of
the law of another jurisdiction. Based on the advice of their respective
attorneys, which each party hereby acknowledges having received, each party
hereby waives its right to a jury trial in any litigation relating to this
Agreement. The parties acknowledge that they have neither given nor received
anything of value in connection with the making of the preceding waiver. Neither
party may bring a legal action against the other more than two years after the
cause of action arose.

_______________________
* CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION.

                                    PAGE 10

<PAGE>

                  Equinix irrevocably submits, and agrees to cause its
affiliates to irrevocably submit to, and Customer irrevocably submits, and
agrees to cause its affiliates to irrevocably submit to, the exclusive
jurisdiction of the Federal District Court for the Northern District of
California, for the purposes of any suit, action, or other proceeding arising
our of this Agreement, and each agrees that no such action, suit, or proceeding
relating to this Agreement shall be brought by it or any of its affiliates
except in such courts. Equinix further agrees, and agrees to cause its
affiliates to agree, and Customer further agrees, and agrees to cause its
affiliates to agree, that service of any process, summons, notice, or documents
by U.S. registered mail to such person's respective address set forth below
shall be effective service of process for any action, suit, or proceeding in
California with respect to any matters to which it has submitted to jurisdiction
as set forth above in the immediately preceding sentence. Equinix irrevocably
and unconditionally waives (and agrees not to plead or claim), and agrees to
cause its affiliates to irrevocably waive (and not to plead or claim), and
Customer irrevocably and unconditionally waives (and agrees not to plead or
claim), and agrees to cause its affiliates to irrevocably and unconditionally
waive (and agree not to plead or claim), any objection to the laying of venue of
any action, suit, or proceeding arising out of this Agreement, in the Federal
District Court for the Northern District of California, or that any such action,
suit, or proceeding brought in any such court has been brought in an
inconvenient form.

                  (d) Neither party shall be responsible for any failure to
perform its obligations under this Agreement if such failure is caused by war,
acts of terrorism, riots, civil unrest, labor strike or boycott, fire, flood,
earthquake, airplane crash, landslide, earth movement, volcanic eruption,
hurricane, typhoon, tsunami or other Acts of God or similar significant events
or conditions not within the reasonable control of either party. Customer shall
have no obligation to pay any Recurring Charges for any period during which the
Space is not reasonably usable by Customer. If the Space is not usable for a
period of twenty-four (24) hours consecutively or for more than twenty-four (24)
hours in any calendar month, then Customer shall have the right to terminate
this Agreement by written notice given not later than ten (10) days after the
occurrence giving Customer such right, such termination to be effective on a
date specified by Customer not later than thirty (30) days after such notice is
given, subject in each case to Customer's rights under Section 5 above.

                  (e) Each party agrees to comply with all applicable laws,
rules and regulations.

                  (f) If any provision of this Agreement shall be held by a
court of competent jurisdiction to be illegal, invalid or unenforceable, that
provision shall be limited or eliminated to the minimum extent necessary so that
this Agreement shall otherwise remain in full force and effect and enforceable.

                  (g) Except for the AECI and all Sales Orders and Orders in
effect as of the Effective Date, this Agreement supersedes all proposals, oral
or written, all negotiations, conversations, or discussions between or among the
parties relating to the subject matter of this Agreement,. This Agreement may
not be modified orally. No waiver of any breach of any provision of this
Agreement shall constitute a waiver of any prior, concurrent or subsequent
breach of the same or any other provisions hereof, and no waiver shall be
effective unless made in writing and signed by an authorized representative of
the waiving party.

                  (h) Customer may enter into similar agreements with others and
develop and provide facilities or services that are similar to or competitive
with the facilities and services provided under this Agreement.

                  (i) In any action or proceeding to enforce rights under this
Agreement, the prevailing party will be entitled to recover costs and attorneys'
fees.

                  (j) Attachments 1-6 to this Agreement are part of this
Agreement. Headings and captions in this Agreement are for convenience of
reference only and are not to be used in the interpretation of this Agreement.
All references to days are to calendar days.

                  The terms and conditions of this Agreement shall control in
the event of any conflict between this Agreement and (i) any of its Attachments,
(ii) the Policies, and (iii) any Sales Order.

                  (k) EACH PARTY RECOGNIZES AND AGREES THAT THE WARRANTY
DISCLAIMERS AND LIABILITY AND REMEDY LIMITATIONS IN THIS AGREEMENT ARE MATERIAL
BARGAINED FOR BASES OF THIS AGREEMENT AND THAT THEY HAVE BEEN TAKEN INTO

                                    Page 11

<PAGE>

ACCOUNT AND REFLECTED IN DETERMINING THE CONSIDERATION TO BE GIVEN BY EACH PARTY
UNDER THIS AGREEMENT AND IN THE DECISION BY EACH PARTY TO ENTER INTO THIS
AGREEMENT.

                  (l) Equinix and Customer are independent contractors and not
partners, joint venturers or otherwise affiliated and neither has any right or
authority to bind the other in any way. Neither party shall make any
representations to the contrary to any third party

     Except to the extent expressly provided to the contrary, the following
provisions shall survive the termination of this Agreement: Sections 3(b), 9,
10, 12, 13(a), 13(b), 13(c) 13(d) and 13(i).

<TABLE>
<CAPTION>
Customer to complete:                                  Equinix to Complete:

The individual executing this Agreement on behalf of   The individual executing this Agreement on behalf of
Customer has been duly authorized to execute this      Equinix has been duly authorized to execute this
Agreement on behalf of Customer.                       Agreement on behalf of Equinix.
<S>                                                    <C>
Customer Name:______________________________________

Submitted By:_______________________________________   Submitted By:_______________________________________
                   (Authorized Signature)                                   (Authorized Signature)

Printed Name: ______________________________________   Printed Name:_______________________________________

Date Signed:________________________________________   Date Signed:________________________________________

Title:______________________________________________   Title:______________________________________________

Street addresses for notices:                          Street addresses for notices:

____________________________________________________   2450 Bayshore Parkway

____________________________________________________   Mountain View, CA  94043, USA

____________________________________________________

Facsimile numbers:                                     Facsimile numbers:

____________________________________________________   (650) 316-6911

Electronic mail addresses:                             Electronic mail addresses:

____________________________________________________   CONTRACTS@EQUINIX.COM
</TABLE>

                                    Page 12

<PAGE>

                                  Attachment 1

The pricing set forth herein shall apply to Orders placed on or before April 30,
2004, at which time the parties agree to renegotiate the pricing in good faith.

I.       Calculation of Fees and Billing:

Customer shall be billed on a monthly basis, unless otherwise specified by the
parties in writing. All Recurring Charges will be calculated based on a calendar
month and will be prorated for any partial calendar month.

Unless otherwise agreed to by the parties in writing, for all Services except
Smart Hands Services, the Nonrecurring Charges shall be billed at the end of the
billing cycle in which the associated Service is provided. Recurring Charges, if
applicable, shall be billed in advance. The first invoice for a Service ordered,
other than Smart Hands, will reflect the associated Nonrecurring Charge, the
Recurring Charges prorated for the billing cycle in which the installation takes
place, and the Recurring Charges for the following billing cycle, unless
otherwise specified by the parties in writing. Thereafter, the Recurring Charges
will be charged each month until the end of the Term.

II.      Special and Modified Terms:

SMART HANDS

      1) Customer may order Smart Hands hours on or before 6:00 p.m. Pacific
         Time on the third Business Day of the month ("Order Deadline") for use
         during that calendar month ("Committed Hours") by completing the Smart
         Hands Order Form, a representation of which is below, and sending it to
         ibmbilling@equinix.com. For the purpose of this Agreement, "Business
         Day" shall mean Monday, Tuesday, Wednesday, Thursday and/or Friday.
         Committed Hours must be used as they are designated in the Order Form
         with respect to Onsite/Offsite designations and site designations, and
         Customer will be billed for all Committed Hours at the appropriate
         Onsite or Offsite rate for Committed Hours regardless of whether the
         Smart Hands hours are used by Customer. Committed Hours not used during
         a calendar month shall not carry forward to a subsequent month. All
         Smart Hands hours ordered after the Order Deadline shall be billed at
         the appropriate Onsite or Offsite Smart Hands Hourly Rate set forth in
         the Price List below. Project management services and labor expended by
         Equinix or third parties acting on behalf of Equinix to complete custom
         orders

                                       1

<PAGE>

         place by Customer shall be counted as Smart Hands hours for purposes of
         this Attachment unless otherwise agreed to by the parties in writing.

     2)  Customer commits to purchasing Smart Hands hours from Equinix between
         January 1, 2002 and December 31, 2002 such that the fees attributable
         to Smart Hands purchased by Customer during that period are at [*]
         (regardless of whether such hours are actually used by Customer). In
         the event that Customer fails to meet the commitment set forth in the
         previous sentence, on Customer's first invoice in 2003 (or later at
         Equinix's discretion), separate and apart from any other amounts
         Customer owes Equinix pursuant to this Agreement (including for Smart
         Hands used in 2003), Equinix shall bill Customer and Customer shall pay
         for the difference between the fees attributable to the Smart Hands
         hours Customer purchased during 2002 and [*].

     3)  Customer commits to purchasing Smart Hands hours from Equinix between
         January 1, 2003 and December 31, 2003 such that the fees attributable
         to Smart Hands hours purchased by Customer during that period are at
         least [*] (regardless of whether such hours are actually used by
         Customer). In the event that Customer fails to meet the commitment set
         forth in the previous sentence, on Customers first invoice in 2004 (or
         later at Equinix's discretion), separate and apart from any other
         amounts Customer owes Equinix pursuant to this Agreement (including for
         Smart Hands used in 2004), Equinix shall bill Customer and Customer
         shall pay for the difference between the fees attributable the Smart
         Hands hours Customer purchased during 2003 and [*]. The charges billed
         for Smart Hands pursuant to this paragraph shall be called the "2003
         Smart Hands Billing".

     4)  Customer commits to purchasing Smart Hands hours from Equinix between
         January 1, 2003 and April 30, 2004 such that the 2003 Smart Hands
         Billing plus the fees attributable to the Smart Hands hours Customer
         purchased between January 1, 2004 and April 30, 2004 are at least [*]
         (regardless of whether such hours are actually used by Customer). In
         the event that Customer fails to meet the commitment set forth in the
         previous sentence, on Customer's May 2004 invoice (or later at
         Equinix's discretion), separate and apart from any other amounts
         Customer owes Equinix pursuant to this Agreement (including for Smart
         Hands hours used after April 30, 2004), Equinix shall bill Customer and
         Customer shall pay for Smart Hands as follows: [*] minus (the 2003
         Smart Hands Billing plus the fees attributable to the Smart Hands hours
         Customer purchased between January 1, 2004 and April 30, 2004).

______________________
* CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
  SECURITIES AND EXCHANGE COMMISSION.

                                       2

<PAGE>

CROSS CONNECTS

     1)  Non-POTS Cross Connects.

         Equinix will, at the end of each billing cycle, determine the number of
         Customer cross connects that exist in each IBX, excluding POTS (Plain
         Old Telephone Service - Analog Telephony connections) cross connects
         ("Non-POTS Cross Connects"). For each IBX the Non-POTS Cross Connects
         will be billed as follows:

         a.  The first 10 Non-POTS Cross Connects installed during a calendar
             month in an IBX will be billed at the rate associated with the type
             of Non-POTS Cross Connect ordered as set forth in the Price List
             below. The eleventh through fiftieth Non-POTS Cross Connects
             installed in an IBX during a calendar month will be charged at the
             "Cross Connect Services > Quantity 10" rate set forth in the Price
             List below, regardless of the type of Non-POTS Cross Connect. All
             Non-POTS Cross Connects installed in an IBX during a calendar month
             in excess of 50 will be charged at the "Cross Connect Services >
             Quantity 50" rate set forth in the Price List below, regardless of
             the type of Non-POTS Cross Connect.

     2)  POTS Cross Connects

         All POTS cross connects shall be charged at the rates set forth in the
         Price List below. No volume discounts apply.

     3)  Customer will not be billed for cross connect services where the two
         terminating ends of the cross connect are in Customer assigned space.

POWER PRICING

     Pricing for power service is set forth in the Power Services Matrix below.
     Nonrecurring Charges for all power services set forth below will be [*] per
     circuit. No volume discounts apply.

SPACE

     1)  Notwithstanding anything to the contrary, Space shall only include
         overhead cable management trays ("Cable Trays") as provided by Equinix.
         In the event that Customer orders Space that does not have Cable Trays
         installed at the time Customer places the order, Equinix shall provide
         Customer with ten (10) linear feet of

_____________________
* CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
  SECURITIES AND EXCHANGE COMMISSION.

                                       3

<PAGE>

              Cable Trays per one hundred (100) square feet of Space ordered by
              Customer and a Cable Tray from the Equinix distribution point
              adjacent to Customer's cage to Customer's cross-connect
              demarcation point (whether that be a patch panel or a demarcation
              rack), unless otherwise agreed to by the parties in writing. The
              Cable Trays mentioned in the previous sentence shall be included
              in the price for Space.

         2)   Notwithstanding anything to the contrary in the remainder of this
              paragraph, Customer commits to license and pay for a minimum of
              [*] of Space (the "Minimum Space Requirement") at all times
              between the Effective Date and April 30, 2004. After the Effective
              Date, Customer may [*] Space licensed as follows, subject to the
              Minimum Space Requirement and provided that the Space [*] Equinix
              as a result [*] in the condition it was in when licensed to
              Customer, and the [*] is in a configuration that allows Equinix to
              [*] in accordance with its normal polices and procedures:

              a.  subject to the Minimum Space Requirement, upon at least 90
                  days' prior written notice, Customer [*] its licensed Space
                  [*] up to and including [*]
              b.  subject to the Minimum Space Requirement, upon at least 120
                  days' prior written notice, Customer [*] its licensed Space
                  [*] that is greater than [*] (except that, subject to the
                  Minimum Space Requirement, Customer is permitted on one and
                  only one occasion [*] its licensed Space [*] up to and
                  including [*], upon at least 60 days' prior written notice,
                  provided that such notice is received by Equinix no later than
                  June 30, 2002).

Any date that Customer's licensed Space is [*] pursuant to this Section 2 (i.e.,
the end date of the notice period as provided in Section 2(a) and 2(b) above)
shall be called a [*]. Under no circumstances shall there be a [*] within 90
days of any other [*], unless otherwise agreed to by the parties in writing.
Notwithstanding anything to the contrary, for purposes of calculating the
ninety-day period mentioned in the previous sentence, the date of such [*] shall
be the date Equinix receives it.

III.     Price List

<TABLE>
<CAPTION>
   --------------------------------------------------------------------------------------------------
                                                                                        Monthly
                        Colocation Services                         Nonrecurring       Recurring
                                                                  Charge per Unit   Charge per Unit
   --------------------------------------------------------------------------------------------------
   <S>                                                            <C>               <C>
   Price Per Square Foot of Space (see note 1 below)                    N/C          [*] for first
                                                                                        [*] SF
                                                              ---------------------------------------
                                                                        N/C          [*] for each
                                                                                     additional SF
                                                                                      (i.e.[*] SF
                                                                                       and over)
   --------------------------------------------------------------------------------------------------
   Price Per Square Foot Flex Space                                     N/C               [*]
   --------------------------------------------------------------------------------------------------
   Price Per Square Foot Storage Space                                  N/C               [*]
   --------------------------------------------------------------------------------------------------
   Price for 25 Square Feet of Roof Space                               N/C               [*]
   --------------------------------------------------------------------------------------------------
                                                                                        Monthly
                Cross-Connect Connectivity Services                 Nonrecurring       Recurring
                                                                  Charge per Unit     Unit Charge
   --------------------------------------------------------------------------------------------------
                     Single or Multi Mode Fiber                         [*]               [*]
   --------------------------------------------------------------------------------------------------
   Coax                                                                 [*]               [*]
   --------------------------------------------------------------------------------------------------
                              Category 5                                [*]               [*]
   --------------------------------------------------------------------------------------------------
</TABLE>

_____________________
* CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION.

                                       4

<PAGE>

<TABLE>
   <S>                                                             <C>            <C>
   -----------------------------------------------------------------------------------------------
                              POTS    (Plain    Old    Telephone      [**]              [*]
   Service) line, per each
   -----------------------------------------------------------------------------------------------
                              Cross    Connect     Services    ***  See Above           [*]
   Quantity 10 (per IBX)
   -----------------------------------------------------------------------------------------------
                              Cross    Connect     Services    ***  See Above           [*]
   Quantity 50 (per IBX)
   -----------------------------------------------------------------------------------------------
                                                                                      Monthly
                            Smart Hands                            Hourly Rate    Recurring Unit
                                                                                      Charge
   -----------------------------------------------------------------------------------------------
   Smart Hands Hourly Rate -- Onsite                                   [*]        N/A
   -----------------------------------------------------------------------------------------------
   Smart Hands Hourly Rate -- Offsite                                  [*]`
                                                                                  N/A
   -----------------------------------------------------------------------------------------------
   Committed Hours -- Onsite                                           [*]
                                                                                  N/A
   -----------------------------------------------------------------------------------------------
   Committed Hours -- Offsite                                          [*]
                                                                                  N/A
   -----------------------------------------------------------------------------------------------
                             Materials                              Unit Price
   -----------------------------------------------------------------------------------------------
   Hendry Panel (DC Power)                                             [*]              N/A
   -----------------------------------------------------------------------------------------------
   24 Port Patch Panel                                                 [*]              N/A
   -----------------------------------------------------------------------------------------------
   48 Port Patch Panel                                                 [*]              N/A
   -----------------------------------------------------------------------------------------------
   Recognition Systems Hand Geometry Reader                            [*]              N/A
   -----------------------------------------------------------------------------------------------
   84" Locking Cabinet                                                 [*]              N/A
   -----------------------------------------------------------------------------------------------
   84" Cabinet                                                         [*]              N/A
   -----------------------------------------------------------------------------------------------
   84" Open Cabinet                                                    [*]              N/A
   -----------------------------------------------------------------------------------------------
   CCTV Camera                                                         [*]              N/A
   -----------------------------------------------------------------------------------------------
   Additional Caging                                                   [*]              N/A
   -----------------------------------------------------------------------------------------------
</TABLE>

Note 1: The price for Space is subject to change as follows:

   1)   If at any time after the Effective Date but before January 1, 2003,
        Customer's total licensed Space exceeds [*], the price per square foot
        for all Space shall be [*] per square foot effective the date Customer's
        total licensed Space exceeds [*]. Subject to paragraph 2 below, if at
        anytime thereafter, Customer's total licensed Space is [*], the price
        per square foot [*] shall be [*] per square foot and the price for the
        remaining Space shall be [*] per square foot effective the date
        Customer's total licensed Space is less than [*].

   2)   Beginning on January 1, 2003, if Customer's total licensed Space exceeds
        [*], the price per square foot for all Space shall be [*] per square
        foot effective the date Customer's total licensed Space exceeds [*].
        However, if at any time thereafter, Customer's total licensed Space [*],
        the price per square foot for [*] shall be [*] per square foot and the
        price for the remaining Space shall be [*] per square foot effective the
        date Customer's total licensed Space is [*].

IV.     Power Services Matrix (Additional Power Services)

*** denotes greater than

_______________________

* CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION.

                                       5

<PAGE>

                         Monthly Recurring     Installation
Circuit Type                Charge per          Charge per
                             Circuitt             Circuit

       AC (120V)
          Amps
           20                   [*]                [*]
           30                   [*]                [*]
           40                   [*]                [*]
           50                   [*]                [*]
           60                   [*]                [*]
           80                   [*]                [*]
          100                   [*]                [*]

       AC (208V)
          Amps
           20                   [*]                [*]
           30                   [*]                [*]
           40                   [*]                [*]
           50                   [*]                [*]
           60                   [*]                [*]
           80                   [*]                [*]
          100                   [*]                [*]

       DC (-48V)
          Amps
           30                   [*]                [*]
           40                   [*]                [*]
           50                   [*]                [*]
           60                   [*]                [*]
           80                   [*]                [*]
          100                   [*]                [*]

       AC (208V)
      3Phase Power

Amps

           20                   [*]               Quote
           30                   [*]               Quote
           40                   [*]               Quote
           50                   [*]               Quote
           60                   [*]               Quote

V.       Smart Hands Order Form

________________________

* CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION.

                                       6

<PAGE>

--------------------------------------------------------------------------------
      Month     Site     Committed Hours   Onsite or Offsite      Submitted By:
--------------------------------------------------------------------------------

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

Nothing in this Attachment 1 shall affect or diminish Equinix's ability to
change pricing pursuant to Section 7(b) of the Agreement.

Customer shall have the option of acquiring materials set forth above in the
price list ("Materials") on its own behalf that conform to Equinix's
specifications as further described in Attachment 3 and that in Equinix's
reasonable discretion are compatible with (a) the infrastructure of the relevant
IBX Center(s), (b) Equinix's systems and (c) the general look and feel of the
IBX Center. Equinix will provide Customer with specifications for Materials if
requested by Customer.

                                       7

<PAGE>

[LOGO] equinix

                                  ATTACHMENT 2

                   Internet Business Exchange Center Policies

Equinix is entitled to make changes to the Policies from time to time at its
reasonable discretion, but Equinix agrees that any future changes to the
Policies will not unreasonably limit each Customer's right to utilize its
Licensed Spaces for the purposes contemplated by the Customer's Master Service
Agreement. Changes to the Policies will be effective for each Customer upon
notice to that Customer (except for changes to the Shipping Policies which will
be effective immediately upon change of such policies). All capitalized terms
not defined elsewhere in the Policies are defined in the Definitions section at
the end of the Policies.

For all purposes under the Policies, each Customer has full responsibility and
liability for all acts or omissions of Customer's Authorized Persons,
Accompanying Persons, and Associated Entities, and all such acts or omissions
will be attributed to Customer for all purposes, including for the purposes of
determining whether Customer has breached (i.e. failed to abide by) the
Policies. Without limiting the foregoing, Customer is responsible and must
ensure that Customer's Authorized Persons, Accompanying Persons and Associated
Entities do not take any actions that Customer is prohibited from taking under
the Policies.

A.       SERVICES

The Services Equinix offers under Master Service Agreements with Customers
consist of (1) Licensing of Spaces and Set-Up; (2) Core Services; and (3)
Additional Services. The first two classifications of Services are not optional
and will be provided to all Customers. Cross-Connects (which is one of the
Additional Services) also will be provided to all Customers. All other
Additional Services will only be provided to Customers who order such Additional
Services or Customers who receive such Additional Services because, under the
Policies, Equinix has the right to perform such Additional Services where the
Customer fails to timely act (e.g. neatly wrapping wiring and cables in
Customer's Licensed Spaces) or Equinix has the right to act at Customer's
expense (e.g., securely fixing Customer's Equipment directly to the floor).

Each Customer will pay Equinix Licensee Fees for the license of the Customer's
Licensed Spaces, which consists of monthly recurring charges for the Licensed
Spaces and non-recurring charges for Set-Up of the Licensed Spaces. There is no
extra charge for any of the Core Services, the charges for which are included in
the License Fees for each Customer. Additional Services are not included in the
License Fees, and each Customer is fully responsible for separately paying for
all Additional Services it receives. Where products or materials are provided as
part of the Additional Services for a Customer, the Customer will be responsible
for paying for the cost of the products or materials as well as the other
charges associated with the Additional Services.

         1.       Licensing of Spaces and Set-Up

                  a.       Licensing of Spaces

Depending on availability, Equinix offers its Customers the right to license
spaces at the IBX Centers sufficient to hold one or more racks or cabinets (or
partial racks or cabinets to the extent offered by Equinix). If a Customer
places an order for five or more full racks or full cabinets at an IBX Center,
depending on space availability, these racks or cabinets may be located in a
private cage (i.e. a cage that is not used by other Customers). Otherwise,
Customer's racks or cabinets may be in a cage shared with other Customers. In
private cages, a Customer may provide Equinix-approved racks or cabinets for
each of the Customer's Licensed Spaces or request that Equinix provide the racks
and/or cabinets. In shared cages, Customers must use Equinix-provided cabinets
and/or racks.

                  b.       Set-Up

Prior to each Customer's use of its Licensed Spaces, Equinix will install
appropriate Equinix-provided POD Equipment (as reasonably determined by Equinix)
in order to properly demarcate Customer's Equipment, unless otherwise agreed to
by Equinix.

         2.       Core Services

The Core Services consist of the following, as further described below: (1)
Access to the Customer Care Website; (2) Core Security; (3) Core Back-up Power;
(4) Core Fire Suppression; (5) Core HVAC; (6) Core Temperature Control and (7)
Core Humidity Control.

                  a.       Access to the Customer Care Website

                              Equinix Confidential

<PAGE>

Equinix grants each Customer access to the Customer Care Website under the terms
and conditions set forth in the Customer Care Website Usage Policies, if any,
and the Master Service Agreement with such Customer.

               b.   Core Security

Equinix offers the following security features at IBX Centers:

     .    security personnel onsite 24 x 7 x 365;
     .    visitor screening upon entry for verification of identity;
     .    keyless security with biometric hand geometry readers with required
          additional pass code for access to:
          .    enter the security tunnel from the welcome area;
          .    the security tunnel to enter the main center;
          .    enter the colocation area; and
          .    enter a Customer cage;
     .    CCTV digital camera coverage of IBX Center, integrated with access
          control and alarm system; and
     .    silent alarm and automatic notification of appropriate law enforcement
          officials.

In addition, Equinix may take other reasonable security measures that it chooses
to employ.

               c.   Core Back-Up Power

Each IBX Center will have back-up power sources that will provide power for a
period of at least 48 hours if the primary source of power is unavailable.

               d.   Core Fire Detection and Suppression

Each IBX Center will have an early warning fire detection system and fire
suppression system.

               e.   Core HVAC

Each IBX Center will have redundant (n +1) HVAC.

               f.   Core Temperature Control

Each IBX Center will maintain a temperature of 68 - 72 degrees F +/- 2 degrees
F.

               g.   Core Humidity Control

Each IBX Center will maintain a relative humidity of 30% - 60% +/- 5%.

     3.        Additional Services

Additional Services consist of any services offered by Equinix at the IBX
Properties other than the licensing of Licensed Spaces, Set-Up, and the Core
Services. The Additional Services that Equinix offers include, but are not
limited to, the following Additional Services, which are further described
below: (1) Cross-Connects; (2) Additional Power; (3) SmartHands; and (4)
Installation of a Customer's Equipment.

               a.   Cross-Connects

Equinix will install Cross-Connects, as ordered by a Customer, so long as the
Customer to which the Cross-Connect runs approves such Cross-Connect. In the
event that any of a Customer's Cross-Connects are disconnected due to such
Customer's request or due to termination or partial termination of an Order,
Equinix may inform the other Customer of the disconnection. Upon commencement of
the notice period preceding expiration or termination of a Customer's Master
Service Agreement or a Customer's last Order in an IBX Center, Equinix may
notify other Customers to which such Customer is interconnected that such
Customer will no longer be present in the IBX Center(s) in question as of the
date of termination or expiration of the Customer's Master Service Agreement or
the applicable Order.

               b.   Power

A Customer may order power to the extent offered and approved by Equinix.

               c.   SmartHands

SmartHands is designed to provide Customers with onsite technical assistance and
may include, for example, Equinix complying with Customer's simple instructions
relating to remote management, installation or troubleshooting of its equipment
within an IBX Center, services performed in response to custom orders or any
other services Equinix deems to be SmartHands. With respect to the SmartHands
service offered by Equinix, Equinix's only obligation is to carry out the
express instructions of Customer; and Equinix reserves the right to reject a
Customer's request if such rejection is reasonable or if such service is not
offered as part of SmartHands. In addition, Equinix reserves the right to
require that a Customer's instructions be given in additional detail and in
writing (which may be by electronic mail). Notwithstanding the foregoing,
Equinix has the right to perform SmartHands services where the Customer fails to
timely act or Equinix has the right to act under the Policies at Customer's
expense as part of the SmartHands service. Furthermore, in the event that
Customer cancels an Additional Service less than ninety (90) days after Equinix

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installs, connects or activates such Additional Service, Equinix shall charge
Customer a fee equal to the non-recurring charge Equinix charged Customer when
Customer ordered such Additional Service.

               d.   Installation of Customer Equipment

A Customer may request that Equinix install Customer's Equipment. Equinix, at
its discretion, may agree to perform such installation, but Customer must enter
into a separate agreement with Equinix to perform such work.

B.   NOTIFICATIONS

     1.        Equinix will provide contact information for each Customer to use
at any time in the event of an emergency or otherwise as needed by Customer. The
Equinix Response Center may be reached at 888-892-0607.

     2.        Each Customer will designate one or more persons whom Equinix may
contact at any time in the event of an emergency or otherwise as needed by
Equinix. Each Customer will provide to Equinix a means of contacting such
persons at any and all times. Equinix prefers, but does not require, that such
contact method be the telephone number of a twenty-four (24) hour operations
center staffed by persons familiar with Customer's use of its Licensed Spaces
and Equipment located within Customer's Licensed Spaces.

C.   SYSTEM NUMBERS AND TELECOMMUNICATIONS

     1.        Equinix strongly encourages each Customer to have its own
autonomous system number as designated by the American Registry of Internet
Numbers or its successor.

     2.        Each Customer will be responsible for obtaining
telecommunications services as needed from the carrier of its choice. Equinix
will not be responsible for providing or installing such services except that
Equinix will perform Cross-Connects as agreed to by Equinix and a Customer
pursuant to the Master Service Agreement for such Customer.

D.   EQUIPMENT

     1.        Each Customer will ensure that

               a.   all of Customer's Equipment will be installed, operated,
maintained and repaired in compliance with all applicable Laws;

               b.   all of Customer's Equipment complies with NEMA standards;

               c.   all of the cables and wiring in Customer's Licensed Spaces
(other than any Cross-Connects or Equinix's POD Equipment) are neatly wrapped
and tied together (If a Customer fails to do so, Equinix may at its sole option
neatly wrap and tie such wires and cables, and Equinix may charge Customer for
doing so under SmartHands);

               d.   none of Customer's Equipment is stacked or resting on any of
Customer's other Equipment or the Equipment of any other Customer, sublicensee
or third-party;

               e.   all of Customer's Equipment is securely fixed onto a cabinet
or rack in a manner reasonably satisfactory to Equinix. Any of Customer's
Equipment that is too large or heavy for a rack or cabinet, including but not
limited to large servers, will be securely fixed directly to the floor by
Equinix, who may charge Customer for doing so under SmartHands.

     2.        Each Customer may install and maintain Customer Cross-Connects.
Equinix has no obligation to install, maintain or repair any Customer
Cross-Connects.

     3.        Equinix may require a Customer to remove from any IBX Center
Equipment that, in Equinix's sole discretion, causes a threat to safety
(including any risk of fire or other hazard) to the operations of the IBX Center
or the IBX Center Property, or unreasonably interferes with the operations of
Equinix, another Customer or any other person or entity that is licensing,
sublicensing, leasing or subleasing space or otherwise utilizing any portion of
the IBX Center or the IBX Center Property.

     4.        If a Customer wants to identify Customer's Equipment or
Customer's Licensed Spaces, the means of identification will be subject to
Equinix's prior approval before Customer uses such means of identification.
Equinix will not identify the location of any Customer's Equipment in the IBX
Center, and Equinix will not be responsible for labeling Ports other than those
connecting a Customer's Equipment to Equipment belonging to other Customers at
an IBX Center.

     5.        Equinix will not touch, maintain, use, upgrade, repair or operate
a Customer's Equipment, except in an emergency, where explicitly or implicitly
authorized by Customer's use of SmartHands, or as otherwise permitted in
Customer's Master Service Agreement or the Policies.

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E.   USE

     1.   Each Customer will:

          a.   use Customer's Licensed Spaces only for the purposes of
configuring, providing, placing, installing, upgrading, adding, maintaining,
repairing and operating Customer's Equipment in a safe and lawful manner;

          b.   comply with all applicable laws in its use of its Licensed
Spaces, and comply with all signs posted at any time (including changes in such
signs) at the IBX Centers concerning security procedures relating to the IBX
Centers;

          c.   use the restrooms, any shared work area, and any other common
spaces in the IBX Centers and the parking areas outside of the IBX Centers in
accordance with the terms of Customer's Master Service Agreement, the Policies
and any rules or signs posted by Equinix in or near such areas;

          d.   maintain Customer's Licensed Spaces in an orderly and clean
manner and in good repair and condition (reasonable wear and tear only
excepted);

          e.   deposit litter in designated trash receptacles or in appropriate
locations outside the IBX Centers;

          f.   behave in a courteous and professional manner within the IBX
Centers and the IBX Center Properties;

          g.   immediately notify Equinix of any damage or risk of damage to the
IBX Centers or the IBX Center Properties, or damage to any equipment or property
of any person in the IBX Centers or the IBX Center Properties;

          h.   comply will all applicable property control procedures, which may
include providing Equinix with a description and the serial numbers of items
brought into an IBX Center that are valued by Equinix at more than $1,000 and/or
providing Equinix with the name, contact number and signature of the person
removing such items.

     2.   Each Customer will ensure that it does not do any of the following:

          a.   install, touch, access, tamper with, damage, adjust, repair,
interfere with, or breach the security of, the Licensed Spaces of other
Customers or the Equipment, property or services of any other Customers,
vendors, contractors or other parties who license, sublicense, lease or sublease
space or otherwise utilize space at the IBX Center or the IBX Center Properties,
or provide services or products to those who do;

          b.   alter, tamper with, damage, adjust, repair, interfere with, or
breach the security of, the IBX Centers or the IBX Center Properties (including,
without limitation, the electrical and other building systems of the IBX Centers
or the IBX Center Properties), Customer's Licensed Spaces or any equipment or
property leased, licensed or owned by Equinix (including, without limitation,
any Cross-Connects and the Equinix Power Distribution System, which only Equinix
will install, repair or alter);

          c.   install or otherwise perform any Cross-Connects;

          d.   affix or maintain labels to any Ports or any POD Equipment that
connects Customer's Equipment to Equipment belonging to other Customers (Equinix
will affix and maintain such labels, which will contain appropriate information,
including circuit identification and other information needed to clearly
identify each Equinix-provided Port);

          e.   leave litter, cartons, packaging or other unnecessary items
overnight in or around Customer's Licensed Spaces, the IBX Centers or the IBX
Center Properties;

          f.   encumber or obstruct the sidewalks, driveways, yards, entrances,
hallways, stairs or any common areas in or around the IBX Centers or the IBX
Center Properties;

          g.   leave any loose items inside or outside of Customer's Licensed
Spaces in the IBX Centers. (If Customer does so, Equinix will, in addition to
any other remedies it may have, temporarily store such items in a safe place for
ten (10) days after notification to Customer, and if Customer fails to retrieve
such items during the ten (10) day period, the items will, at Equinix's sole
discretion, either become the property of Equinix or be discarded by Equinix at
Customer's expense);

          h.   unless Equinix expressly consents, use any common areas at the
IBX Centers or the IBX Center Properties (other than a shared work area where
Equinix permits Customers to repair Equipment) for any purpose other than
ingress and egress to and from the Customer's Licensed Spaces;

          i.   use a shared work area that Equinix permits Customers to use for
any purpose other than to repair Customer's Equipment;

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<PAGE>

          j.   store or leave any Equipment in a shared work area or any other
common areas at an IBX Center, or perform any action in a shared work area or
any other common areas at an IBX Center not permitted in Customer's Licensed
Spaces;

          k.   use the Services to compete with any Services offered by Equinix;

          l.   create any nuisances at the IBX Centers or the IBX Center
Properties;

          m.   manufacture, generate, treat, transport, dispose of, release,
discharge, or store on, under or about the IBX Centers, the IBX Center
Properties or any surrounding properties, any Hazardous Materials;

          n.   eat, drink or use tobacco products within the IBX Centers except
within areas designated by Equinix for such purposes; or

          o.   bring recording equipment in, or take photographs of (whether by
use of a camera, video camera or otherwise), any part of the IBX Centers, except
for the following limited exception: a Customer in a private cage may request,
at the time the Customer's visit is scheduled, that Equinix take photographs of
Customer's private cage and Customer's Equipment within such private cage, but
Equinix will do so only if (i) Customer completes the required documents
provided by Equinix; and (ii) an Equinix IBX staff member takes the photographs
with Customer's recording equipment, and the Equinix IBX staff member at all
times controls the recording equipment while it is inside the IBX Center.

F.   ACCESS

     1.   No Customer may attempt to gain fraudulent access to an IBX Center or
any Equinix website.

     2.   Subject to the terms and conditions of the Customer's Master Service
Agreement (including the Policies), a Customer will have access to its Licensed
Spaces twenty-four (24) hours per day, three hundred sixty-five (365) days per
year. In the event of an emergency situation at any IBX Center or IBX Center
Property (e.g., fire, building evacuation, medical emergency, etc.), or drill,
each Customer present at the IBX Center will be required to follow instructions
given by the on-site Equinix Site Manager, or the designee.

     3.   Each Customer will provide Equinix with a list for each IBX Center
(which list will be provided in writing or entered through the Customer Care
Website) of Authorized Persons who may enter Customer's Licensed Spaces in such
IBX Center. Except where specifically designated otherwise by a Customer, each
Authorized Person for an IBX Center will have the right to authorize entry by
any other person who is accompanied by such Authorized Person at the IBX Center.
Each Customer will provide Equinix with written notification of any changes to
Customer's list of Authorized Persons for any IBX Center at least one (1) full
business day in advance of the effectiveness of such change. Equinix will refuse
entry at an IBX Center to any person who is not named on a Customer's list of
Authorized Persons for such IBX Center, unless such person is an Accompanying
Person. Equinix reserves the right to refuse or withdraw approval of a person on
any Customer's list for any IBX Center if such refusal or withdraw is reasonable
(such as where the person violated any of the Policies). Equinix also reserves
the right to deny access to an Accompanying Person at an IBX Center if the
denial is reasonable such as where the Accompanying Person violated any of the
Policies.

     4.   Each Customer is strongly encouraged (but not required, except as
herein set forth) to give twenty-four (24) hours prior notice to Equinix
(through the contact provided by Equinix) prior to visiting an IBX Center.
Except in an emergency, any Customer visiting a cage area shared with other
Customers will give at least twenty-four (24) hours prior notice to Equinix.

     5.   Non-scheduled visits by a Customer may lead to a delay in access or be
denied. For all non-scheduled visits by a Customer, Equinix at its discretion
may require Customer's administrative contact to call the Equinix Response
Center to authorize the person's entry into the IBX Center and Customer's
Licensed Spaces.

     6.   For any site tours of an IBX Center, Customer must, no later than 5
p.m. the day before the requested tour, arrange such site tour with Equinix and
provide Equinix with the following data: Customer's organization name; purpose
of tour; date/time of tour; names of visitors; authorization to access a
specific Licensed Space (for existing Customers only); and any special
instructions associated with a specific tour. Tour size is limited to a maximum
of five (5) guests and one authorized tour guide on all tours unless Equinix
agrees to accommodate more persons. If so, Equinix will arrange for one
authorized tour guide or Equinix security officer for every five (5) guests.

     7.   Access by a Customer to any shared work area (or any other common area
where Equinix permits access by Customers) may be restricted by Equinix at any
time, including when another Customer is in such area.

     8.   Equinix may, at its discretion, require any or all Authorized Persons
of any Customer to have a full-face photograph taken at the IBX Centers for
purposes of secure identification.

     9.   Every person who accesses an IBX Center must use the then-in-use
secure access means to enter and exit the IBX Center.

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<PAGE>

     10.  Upon any Customer's entry into an IBX Center, Equinix may (at its
discretion) accompany Customer inside the IBX Center, and Equinix may (at its
discretion) remain with Customer for the entire time that Customer is in the IBX
Center. However, Customer will have privacy when Customer is in its Licensed
Spaces, and Equinix will maintain sufficient distance from Customer at such
times that Equinix will not have access to Customer's confidential information
or activities.

     11.  Repeat visitors of a Customer requiring freedom of movement within
certain areas of an IBX Center may be entered into the Security Access System
("SAS") if Customer's administrative contact requests this for a specific person
in conjunction with a work visit. The person being registered in SAS is required
to produce a government-issued photo ID for identity verification (driver's
license or passport), and complete the on-site enrollment process with the
assistance of Equinix security officers. After the visitor places his/her hand
on the reader for scanning of biometric identification information into the SAS,
the computer will identify/request which doors the person may access and
automatically update the readers in real-time. Even if a visitor has access to
an IBX Center through SAS, any visit to a shared cage always requires an escort.

     12.  Equinix may access any Customers' Licensed Spaces (i) during an
emergency; (ii) to perform SmartHands or other services for Customer; (iii) as
needed to perform those services necessary for the use of the IBX Center by some
or all Customers; and (iv) as otherwise permitted under Customer's Master
Service Agreement.

     13.  If the landlord or owner of an IBX Center or an IBX Property wishes to
access, or permit others to access, a Customer's Licensed Space, Equinix will
accompany such persons during such visit and Customer shall, if practicable,
receive advance notice from Equinix and have an opportunity to be present.

     14.  Equinix may deny IBX Center access to Authorized Persons and
Accompanying Persons who do not have a business purpose at an IBX Center where
access is requested.

G.   SHIPPING POLICIES

     1.   The shipping policies are subject to change by Equinix without notice,
and such changes are effective immediately.

     2.   Each Customer is responsible for, among other things, (i) scheduling
with a shipper all shipments for Customer from and to the IBX Centers; (ii)
paying all fees associated with the shipments, including all shipping, retrieval
and related fees charged by the shipper; (iii) completing all necessary
paperwork for the shipments; and (iv) notifying the shipper that all shipments
will be shipped to, or retrieved from, the shipping/receiving areas designated
by Equinix for each IBX Center. No shipments of any size will be accepted in an
IBX Center lobby.

     3.   Each Customer is also responsible for notifying its shippers of all
shipping rules for any multi-tenant buildings in which IBX Centers are located.
If an IBX Center is located in a multi-tenant building, shippers are responsible
for conforming to all shipping rules of that building, and the Equinix Response
Center will provide a Customer, upon request, with the specific shipping rules
for each multi-tenant building in which an IBX Center is located.

     4.   Each Customer will ensure that all shipments (including the boxes) are
clearly labeled with the company name and/or identifier of Customer.
Unidentified packages will not be accepted.

     5.   Each Customer that wishes to ship items from or to an IBX Center will
schedule through the Customer Care Website (or any other Equinix-approved
scheduling method) the incoming or outgoing shipment at least 24 hours in
advance (and at least four business days in advance where the IBX Center is in a
multi-tenant building). For incoming shipments only, a Customer may also (under
the same timeframes set forth above) schedule the shipments by phone through the
Equinix Response Center. Except as provided in the next paragraph, only timely
scheduled shipments to an IBX Center will be accepted.

     6.   Emergency shipments to an IBX Center must be scheduled directly by
calling the Equinix Response Center. If such advance notification is provided to
Equinix, Equinix will make reasonable efforts to accommodate after-hours
emergency deliveries.

     7.   Each Customer will ensure that all shipments for Customer to or from
IBX Centers where Equinix is the sole tenant in the building will be made during
the business day (Monday - Friday), from 8:30 a.m. until 4:30 p.m. local time.
Shipment times may vary for multi-tenant buildings in which IBX Centers are
located. The Equinix Response Center will provide each Customer, upon request,
with the specific shipping times for such multi-tenant buildings, and each
Customer will ensure that all shipments to such buildings comply with the
applicable shipping rules.

     8.   Equinix reserves the right to visually and/or physically inspect any
and all shipments to or from the IBX Centers when such shipments arrive at the
shipping/receiving area. Shipments containing liquids, combustibles and any
Hazardous Materials will not be accepted at any time nor will delivery of
visibly damaged shipments be accepted.

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<PAGE>

     9.   At the time of Equinix's inspection of any shipments to or from the
IBX Centers, Equinix may record serial numbers for Equipment of a Customer with
estimated value of more than $1,000, as estimated by Customer. Accordingly, when
packing Equipment for shipping, each Customer should be aware that Equinix
personnel will need access to the serial numbers on the Equipment being shipped,
and should seal boxes after serial numbers are recorded.

     10.  Customers are requested to contact the Equinix Response Center to
extend or cancel the shipment receipt date if the shipment does not arrive at
the scheduled time.

     11.  Customers are responsible for moving their shipments from the
shipping/receiving area (or secure storage area where they are placed by Equinix
at Customer's expense under the SmartHands service if the shipment is not
removed by Customer immediately upon its arrival) to their Licensed Spaces and
from their Licensed Spaces to the shipping/receiving area. If a Customer wishes
for Equinix to perform such functions as well as packing or unpacking the
shipments and disposing of packing materials, a Customer may do so by using the
SmartHands service.

     12.  Except where Equinix removes the packing materials as a part of a
Customer's SmartHands order, each Customer is required to take all packing
materials to the shipping/receiving area or other designated area for disposal
immediately after completing installation. Cardboard and packing materials are
not to be stored in cages.

     13.  Customers will move the shipments from the shipping/receiving area (or
secure storage area where they are placed by Equinix) to Customer's Licensed
Spaces within three business days after notification of arrival (the Equinix
Response Center ordinarily will contact a Customer by email and/or phone within
12 hours after arrival). Moving equipment will be available to assist Customer,
if necessary (dolly's, hand trucks, etc.), if Customer schedules the use of such
moving equipment with Equinix at the shipping/receiving area.

     14.  If a Customer has not retrieved its shipment from a secured area 48
hours after the shipment has arrived, the Equinix Response Center will notify
Customer that if the shipment is not retrieved before the three business days
has elapsed (the clock starts from notification of arrival), the shipment may be
returned to the "shipped from" address at Customer's expense under the
SmartHands service.

     15.  Unless prior arrangements are made with Equinix by a Customer during
the original request (or SmartHands is purchased for Equinix to move the
shipment to Customer's Licensed Spaces), Equinix reserves the right to ship the
shipment back to the "shipped from" address, at Customer's expense, three
business days after notification of arrival.

     16.  Equinix is not responsible for any missing or damaged shipments.

H.   DEFINITIONS

The following terms shall have the respective meanings stated below for the
purposes of these Policies. In addition, for each Customer, the following terms
shall have the respective meanings stated below for purposes of such Customer's
Master Service Agreement to the extent that such Master Service Agreement uses
but does not define a term defined below:

     1.   Authorized Person shall mean, for each Customer, each person who is
included on a list of Authorized Persons given to Equinix by that Customer.

     2.   Accompanying Person shall mean, for each Customer, each person (other
than an Equinix employee) who is accompanied by an Authorized Person while at an
IBX Center.

     3.   Associated Entity shall mean, for each Customer, any company,
partnership or other entity of any type which employs, contracts with, or is
otherwise associated or affiliated with any of Customer's Authorized Persons or
Accompanying Persons.

     4.   Customer shall mean any party which is party to a Master Service
Agreement with Equinix relating to an IBX Center or other agreement pursuant to
which Equinix provides services to such party at an IBX Center.

     5.   Customer Care Website shall mean the website located on the Internet
at eccs.equinix.com or any other domain name Equinix may determine from time to
time at its sole discretion to use for the Customer Care Website.

     6.   Customer Care Website Usage Policies shall mean any website usage
policies that Equinix at any time adopts for the Customer Care Website.

     7.   Equinix shall mean Equinix Operating Co., Inc. Equinix may use any
contractor, subcontractor or third-party to perform any of its obligations under
the Policies or any Master Service Agreement with any Customer.

     8.   Equinix Power Distribution System shall mean any and all Hendry panels
(or other Equinix specifications-compliant DC distribution panels), 220 volt
twist locks, and power strips and electrical, utility, or power distribution
systems and items that are installed by Equinix.

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<PAGE>

     9.   Equipment shall mean, for each Customer, all network and/or computer
equipment (including wiring and Customer Cross-Connects between such equipment
and Customer's POD Equipment) that Customer locates in any IBX Centers (but this
does not include Cross-Connects or Equinix POD Equipment located in Customer's
Licensed Spaces).

     10.  Hazardous Materials shall mean (i) asbestos, or any substance
containing asbestos; (ii) polychlorinated biphenyls; (iii) lead; (iv) radon; (v)
pesticides; (vi) petroleum or any other substances containing hydrocarbons;
(vii) any substance which, when on the IBX Centers or the IBX Center Properties,
is prohibited by any Environmental Laws; (viii) those matters described in the
Environmental Response Compensation and Liability Act, as amended, 42 U.S.C.
ss.6901 et. seq. ("CERCLA"); and (ix) any other substance, material or waste
which, (a) by any environmental Laws requires special handling or notification
of any governmental authority in its collection, storage, treatment, or disposal
or (b) is defined or classified as hazardous, dangerous or toxic pursuant to any
legal requirement.

     11.  IBX Center Property shall mean the real property on which, and the
building in which, an IBX Center is located.

     12.  IBX Centers shall mean, for each Customer, the Internet Business
Exchange Centers located in the United States leased or owned by Equinix in
which Customer licenses Licensed Space(s), including all related areas, if any,
which may be used by Customer, such as parking areas.

     13.  Cross-Connect shall mean an interconnection that exits a Customer's
cage or that runs between two Equinix Customers, or a Customer and another
party, at an IBX Center (including interconnections that use the environment as
a carrier, such as wireless and infrared connections).

     14.  Customer Cross-Connect shall mean an interconnection that runs between
the same Customer and in the same cage, including cables, connections, and other
wiring between items of Customer's Equipment, or between Customer's POD
Equipment and Customer's other Equipment, within a single cage.

     15.  Laws shall mean all applicable federal, state, local, municipal or
other laws, regulations, rules, ordinances, rulings, decrees, orders,
directives, requirements, codes (including building codes), and as they may be
instituted or amended from time to time.

     16.  Licensed Spaces shall mean, for each Customer, the areas licensed by
Customer under Customer's Master Service Agreement and as identified in the
Orders for Customer as to the amount of spaces. Equinix will determine the exact
location in the IBX Centers where the Licensed Spaces for each Customer will be
located.

     17.  Master Service Agreement shall mean, for each Customer, the Master
Service Agreement executed by Customer and Equinix to which these Policies are
incorporated by reference.

     18.  Order shall mean, for each Customer, any sales order, online order, or
phone order placed by Customer and agreed to by Equinix, or otherwise agreed to
by Customer and Equinix.

     19.  POD Equipment shall mean (1) patch panels, DSX panels for category 5
twisted pair, co-axial, single and multi-mode fiber, or (2) other appropriate
(as reasonably determined by Equinix) point of demarcation equipment.

     20.  Policies shall mean the procedures, rules, regulations, security
practices and policies adopted by Equinix that are then in effect for the IBX
Centers, including these Internet Business Exchange Center Policies, and as they
may be changed from time to time by Equinix.

     21.  Ports shall mean all wiring, connections, circuitry and utility ports
at the POD Equipment.

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                                  ATTACHMENT 3

                             EQUINIX IBX FACILITIES

Equinix will provide the following as part of the Service (subject to change by
mutual agreement in accordance with best commercial practice):

Cage Configuration and Cable Management:

   . Cage Module dimensions: 9'6"W x 10'3"D x 10'7"H (exact dimensions may vary
     slightly, depending on the IBX and its physical specifications).

   . Minimum cage size is 1 Module, which holds from 3-5 cabinets/racks,
     depending on whether it has a defined clearance zone (roughly 9'6" W x 3'
     D).

   . Intra-cage wiring: There is one wiring tray per row of cabinets in each
     private cage, i.e., tray runs along the length of the cabinets. Equinix
     provides optional wiring trays to assist customers who need copper-based
     (or optionally fiber-based) cable spanning cabinets on the same row and/or
     spanning cabinets in adjacent rows within a private cage. Customer-specific
     cable management is not allowed to span outside the customer's cage.

Customer Connections to its customers.

1. A dedicated overhead cable management system is available for Customer to
   install connections to its customers within the customer's contiguous space.
2. Dedicated cable management system will follow the same technical and security
   design as Equinix's overhead cable management system.
3. Customer will have full access to the overhead cable management system to
   install connections to its customers within its contiguous space.

Power Service and Loading:

1. Conditioned AC and DC power is available to a maximum of 1.75 KVA/cabinet or
   rack.
2. Battery, diesel generators, and on-site fuel storage allow for backup for up
   to two days of continuous operations at maximum load.
3. Pre-wired 20-amp, 110-volt AC circuit, from single feed, with 10-outlet, 20
   amp rated power strip with internal circuit breaker per cabinet.
4. Cabinets and racks will be installed in cages so as not to exceed the
   designed cabinet/rack capacity of the cage or 20 square feet per
   cabinet/rack. Cabinets and racks shall not exceed 85" in height.
5. Each cabinet/rack will have a maximum power draw of 1.75 KVA. Density shall
   not exceed of 20 square feet per cabinet/rack. Any non-standard size
   equipment, stand-alone

                            Equinix Confidential

<PAGE>

   equipment, or equipment that is not rack or cabinet mountable, will be
   assigned a standard cabinet/rack equivalent value by Equinix prior to its
   installation. Customer may not install equipment that exceeds with the
   floor-loading (weight) capacity of the location where Customer desires to
   install such equipment. In the event that Customer desires to install
   equipment that exceeds the design standards set forth above, Equinix will
   review Customer's request according to the then-current ordering procedures
   agreed to by Equinix and Customer as applicable.
6. Optional B power feed in each cabinet to provide dual feeds for redundant
   power supply equipment.

Power Systems:

1. AC and DC raceways with 2N distribution designed for 1.75 KVA cabinet average
   draw
2. AC power delivery via distributed redundant UPS systems, with the exception
   of parallel redundant UPS systems in Ashburn C and San Jose Phase 1.
3. Batteries with 7 minutes full load operation; two days generator fuel.
   Isolation K factor transformers used for 480 volt UPS to 208/120 volt. K
   factor of K13; 80 degrees Centigrade rise; copper winding. DC system fuse
   protection; -48 volt delivery

Customer Care Area:
1. Equipment staging area
2. Kitchen, relaxation area, shower facilities, and restrooms

Security Services:
1. On-site, 24-hour security personnel (24 hours per day, 365/6 days per year)
2. Visitor screening upon entry for verification of identity
3. Access history recording for audit purposes (optional)
4. Keyless security with biometric hand geometry readers manufactured by
   Recognition Systems with required additional pass code for access to:
   . Enter the security tunnel from the welcome area
   . Leave the security tunnel to enter the main center
   . Enter the colocation area
   . Enter a Customer cage
5. CCTV digital camera coverage of IBX Facility (data archival for 30 days),
   integrated with access control and alarm system
6. Silent alarm and automatic notification of appropriate law enforcement
   officials
7. Picture ID verification for entry
8. Fiber Vault, a secured concrete underground location where all carriers bring
   their fiber into the Equinix IBX Facility, is permanently locked and
   proactively monitored and alarmed

Physical Facility:

1. Bullet resistant interior/exterior walls around the customer care areas.

                              Equinix Confidential

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<PAGE>

2. Floor: No post tension or pre-stressed slabs, with minimum live load criteria
   of 125 psf in co-location areas only, except in Newark and Los Angeles where
   live load criteria are 100 psf in co-location areas only
3. Equinix will permit Customer to audit the test results of all Equinix
   infrastructure backup systems (generators, battery UPS, power grids,
   telecommunication conduits, etc.) and, if necessary, allow Customer to
   observe such testing process. Any such audit shall be arranged with Equinix
   in advance. If any such test results reveal any deficiency, Equinix shall
   promptly commence repairs and corrections.

                              Equinix Confidential

                                       3

<PAGE>

Environmental Controls:

..  Server Area Temperature :  66 - 74 degrees F
..  Server Area Humidity :     25%-65% Relative Humidity, maintained at
   levels sufficient to prevent static electrical discharges
..  Office Area Temperature:                  72-76 degrees F
..  Office Area Humidity:                     25% - 65% Relative Humidity
..  Battery Rooms (no humidification):        Target -- 77 degrees F
..  Electrical/UPS Rooms (no humidification): Target -- 68 - 85 degrees F
..  Mechanical Rooms:                         60 degrees F minimum
                                             Ambient Temp. +10 degrees F maximum
..  Generator Areas:                          50 degrees F minimum
                                             Ambient Temp. +25 degrees F maximum

Disaster Readiness:

1. Fire Protection:
   . Multi-zoned, dry pipe, water-based fire suppression system.
   . HSSD sensory mechanisms (sniffers) to sample air and provide alarms prior
     to pressurization in all IBX's except San Jose.
   . Dual Interlock Activation, with release due to heat.  Ashburn C is a Single
     Interlock Activation, with release due to heat.
2. Flood Protection:
   . Built above sea level and not in a flood plain.
   . Tightly sealed conduits, moisture barriers on exterior walls.
   . Dedicated pump rooms located separately from electrical distribution
     infrastructure and colocation areas.
   . Drainage/evacuation systems.
   . Leak detection sensors.

Physical Attack:
   . Equipment checked on arrival. Equipment delivery procedures to prevent
     physical attacks, i.e., requiring Customer authorized personnel to
     schedule delivery of equipment, not accepting unscheduled deliveries,
     and visually checking exterior of packages for alteration and damage.
     Equipment brought in by authorized Customer personnel through the main
     entrance is subject to visual inspection by security personnel
   . Shipping and receiving walled off from colocation areas
   . Anonymous exterior

Cross Connections (Optional):

1. Equinix will install any cross-connect requested by Customer subject to the
   terms and conditions of this Agreement
2. Equinix will test cross-connects installed by Equinix prior to delivery to
   Customer.

                              Equinix Confidential

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<PAGE>

3.  In the event that cross-connect is between Customer and another Equinix
    customer Equinix's installation of such cross-connect shall be subject to
    the other Equinix Customer's approval prior to installation.
4.  Four types will be available:
    .  Coax
    .  CAT5/CAT5e
    .  Single-Mode Fiber
    .  Multi-Mode Fiber

Maintenance "SmartHands" (Optional):

1.  Power cycling a router, server, switch
2.  Installing, moving or securing a cable
3.  Toggling a switch; pushing buttons
4.  Adding, removing, or verifying a demarcation label
5.  Putting up or taking down a loop on a carrier circuit to assist in remote
    testing
6.  Relaying status of equipment LEDs
7.  Typing commands on a console
8.  Signal testing (Bit Error Rate Testing) a circuit with diagnostic equipment
9.  Inventorying Customer equipment; taking digital pictures of Customer
    equipment
10. Labeling Customer equipment and cable connections
11. Replacing or verifying cable integrity of an installed Equinix cross-connect
    or patch cable
12. Moving customer equipment from shipping area to customer cage
13. Removal of refuse
14. Changing Storage media such as tapes and disks
15. Mounting and removing equipment

Cabling Installation within Customer's Space (Optional):
Assembling, installing, and maintaining cabling

Roof Platform (Optional):
Equinix leases the roof platform by the square foot associated to the shadow of
any device placed upon it. Specific weight allowance, dish size, and available
space may vary from IBX facility to IBX facility.

1.  Power can be delivered to accommodate any reasonably configured rooftop
    device.
2.  Conduit will be provided to allow connections between platform and the
    Space.
3.  Platform will accommodate for mounting of masts for purposes of line of site
    devices.
4.  Devices located on the roof platform will be subject to local codes, permit
    restrictions, weight and wind-loading constraints, and ordinances.

Note: Items above marked as Optional, are not Core Services and may be subject
to additional charge (reference Attachment 1), in such event Equinix will
provide IBM with a quote prior to performance of the services, unless IBM orders
those services via an Online/Phone Order and the pricing for such services have
been predetermined by the parties in writing (including Attachment 1).

                              Equinix Confidential

                                        5

<PAGE>

                                  ATTACHMENT 4

                                       [*]

*CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTION HAS BEEN FILED WITH THE
                       SECURITIES AND EXCHANGE COMMISSION.

<PAGE>

                                  Attachment 5

                             IBX Building Guidelines

                  1.  General

         A. Buildings are designed and constructed in accordance with the most
current adopted edition of all applicable city, county, state and national codes
and standards at the time of construction.

         B. Buildings conform to the provisions of the International Building
Code for "Essential" buildings (except for Phase I of San Jose, which is
designed to an importance factor of 1.0 for earthquakes). All buildings are
designed and constructed to meet IBC minimum "Operational" definition for a
peril with a 475-year return period (10% probability in 50 years).

2.       Earthquake:

         A. Buildings conform to the seismic design requirements of
International Building Code (IBC) Chapter 16 and National Earthquake Hazard
Reduction Program Seismic Regulations for Buildings corresponding to the IBC
seismic zone in which the building is located.

         B. Structural systems for new buildings are designed and constructed
using an importance factor for lateral seismic design forces of 1.25 where there
is no seismic loading exemption by the locally adopted Building Code. Existing
buildings which are seismically upgraded will also be upgraded to meet current
code requirements for such upgrades, also utilizing the same importance factor
of 1.25. (except for Phase I of San Jose, which is designed to an importance
factor of 1.0 for earthquakes). (Current code requirements for upgrades may not
mean full compliance with current code requirements for new construction.)
Equipment and nonstructural components are anchored and braced at least in
accordance with the requirements of the 1997 Uniform Building Code, using an
importance factor of 1.5. (except for Phase I of San Jose, which is designed to
an importance factor of 1.0 for earthquakes).

3.       Flood:

         A. Buildings are situated out of the 100-year flood way or provide
flood proofing by elevating the first occupied floor 2 feet above the 100-year
flood plain elevation. The determination of flood plain is based on the National
Flood Insurance Program Flood Insurance Rate Map to determine the 0.2% annual
chance flood elevation.

         B. Buildings are designed and constructed to resist a maximum of 6
inches per hour of rainfall per 5 minute period and a maximum of 19 inches of
rainfall per 24 hour period as reported by the National Weather Service office
serving the region.

4.       Hurricane:

                         IBM/EQUINIX, INC. CONFIDENTIAL

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<PAGE>

         A. Buildings are designed and constructed to resist wind pressures
acting on the vertical and horizontal faces of the building, structure and
portions thereof. Wind pressures are determined in accordance with the
provisions of the International Building Code and American Society of Civil
Engineers ASCE-7 Minimum Design Loads for Buildings and Other Structures.

5.       Lightning Protection:

         All buildings except the one in which the Los Angeles IBX Center is
located are designed and constructed to qualify for permanent attachment of the
Underwriters Laboratories Inc Lightning Protection Master Label. All buildings
are designed and constructed to meet the requirements of the National Electrical
Code (NFPA 70), NFPA 780, UL96 and UL96A. All power circuits supplied by Equinix
have TVSS devices as specified in IEEE Std C62.41.

NOTE:  THE ABOVE APPLIES ONLY TO DESIGN AND CONSTRUCTION WORK DONE BY OR FOR
EQUINIX.

                         IBM/EQUINIX, INC. CONFIDENTIAL

                                        2

<PAGE>

                                  ATTACHMENT 6

                                  IBXFLEX RULES

These IBXflex Rules (the "Rules"), dated April 15, 2002, are hereby agreed to by
Equinix, Inc. ("Equinix") and International Business Machines ("Customer").

In addition to the rules, regulations and policies set forth in the Master
Service Agreement between Equinix and Customer (including without limitation the
Policies, as amended from time to time) (the "Agreement), Equinix and Customer
shall comply with the following rules, regulations, policies and guidelines:

1.   Hallways, passages, exits, entrances, elevators, escalators and stairways
     shall not be obstructed by Customer or used by Customer for any purpose
     other than for ingress to and egress from their respective premises. The
     hallways, passages, exits, entrances, elevators and stairways are not for
     the use of the general public and Equinix shall in all cases retain the
     right to control and prevent access thereto by all persons whose presence,
     in the good faith judgment of Equinix, shall be prejudicial to the safety,
     character, reputation and interests of the Building and Equinix's
     customers.

2.   No sign, placard, banner, picture, name, advertisement or notice, visible
     from the exterior of the IBXflex Unit(s) or the Building or the common
     areas of the Building shall be inscribed, painted, affixed, installed or
     otherwise displayed by Customer either on its IBXflex Unit(s) or any part
     of the Building without the prior written consent of Equinix in Equinix's
     sole and absolute discretion.

3.   Notwithstanding any provision herein to the contrary, any damage to the
     Buildings, the IBXflex Areas (including the IBXflex Units) caused by or
     repairs necessitated by the negligence or act of Customer or Customer's
     Authorized Persons (other than ordinary wear and tear) shall be repaired by
     Equinix at Customer's expense.

4.   Customer shall not use or keep in or on the IBXflex Unit(s), the IBXflex
     Areas, or the Buildings any kerosene, gasoline, or inflammable or
     combustible fluid or material.

5.   Customer shall not use, keep or permit to be used or kept in its IBXflex
     Unit(s) any foul or noxious gas or substance. Customer shall not allow the
     IBXflex Unit(s) to be occupied or used in a manner offensive or
     objectionable to Equinix or other occupants of the Building by reason of
     noise, odors and/or vibrations or interfere in any way with other IBXflex
     Customers or occupants or those having business therein, nor shall any
     animals or birds be brought or kept in or about the IBXflex Unit(s), the
     IBXflex Areas, or the Buildings.

6.   Equinix will direct electricians  as to where and how  telephone, telegraph
     and electrical wires are to be introduced or installed. No boring or
     cutting for wires will be allowed.

7.   Customer shall not install any radio or television antenna, satellite dish,
     loudspeaker or any other device on the exterior walls or the roof of the
     Building, unless otherwise agreed to by the parties in writing. Customer
     shall not interfere with wireless transmission or reception from or in the
     IBXflex Areas, the Buildings, or elsewhere.

8.   Customer shall not mark, or drive nails, screws or drill into the
     partitions, woodwork or drywall or in any way deface the IBXflex Unit(s) or
     any part thereof. Customer shall not lay linoleum, tile, carpet or any
     other floor covering. Customer shall pay all costs and expenses incurred by
     Equinix to repair any damage resulting from a violation of this rule or the
     removal of any floor covering.

9.   Customer shall not place a load upon any floor of its IBXflex Unit(s) which
     exceeds the load per square foot which such floor was designed to carry or
     which is allowed by law.

10.  Business machines and mechanical equipment belonging to Customer which
     cause noise or vibration that may be transmitted to the structure of the
     Building or to any space therein to such a degree as to be objectionable to

                         IBM/EQUINIX, INC. CONFIDENTIAL

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<PAGE>

     Equinix or to any customers in the Building shall be placed and maintained
     by Customer, at Customer's expense, on vibration eliminators or other
     devices sufficient to eliminate noise or vibration.

11.  Customer shall store all its trash and garbage within the interior of the
     IBXflex Unit(s) or as otherwise directed by Equinix from time to time.
     Customer shall not place in the trash boxes or receptacles any personal
     trash or any material that may not or cannot be disposed of in the ordinary
     and customary manner of removing and disposing of trash and garbage in the
     city in which the Buildings are located, without violation of any law or
     ordinance governing such disposal.

12.  Canvassing, soliciting, distribution of handbills or any other written
     material and peddling in the Building are prohibited and Customer shall
     cooperate to prevent the same. Customer shall not make room-to-room
     solicitation of business from other customers in the Building without the
     written consent of Equinix.

13.  Equinix reserves the right to exclude or expel from the Building any person
     who, in Equinix's judgment, is under the influence of alcohol or drugs or
     who commits any act in violation of any of these rules.

14.  Without the prior written consent of Equinix, Customer shall not use the
     name of the Building or any photograph or other likeness of the Building in
     connection with, or in promoting or advertising, Customer's business except
     that Customer may include the Building's name in Customer's address in
     connection with routine mail deliveries and shipments.

15.  Customer shall comply with all safety, fire protection and evacuation
     procedures and regulations established by Equinix or any governmental
     agency.

16.  No Customer is allowed to unload, unpack, pack or in any way manipulate any
     products, materials or goods in the Shared Areas. All products, goods and
     materials must be manipulated, handled, kept, and stored within Customer's
     IBXflex Unit(s) and not in any exterior areas.

17.  Customer shall be responsible for the observance of all of the foregoing
     rules by Customer's Authorized Persons.

18.  These Rules are in addition to, and shall not be construed to in any way
     modify, alter or amend, in whole or in part, the terms, covenants,
     agreements and conditions of the Agreement (including any Amendment
     thereto), any Addendum to the Agreement, the Policies, or any Sales Order.

19.  Equinix may waive any one or more of these Rules for the benefit of any
     particular customer, but no such waiver by Equinix shall be construed as a
     waiver of such Rules in favor of any other customer, nor prevent Equinix
     from thereafter enforcing any such Rules against any or all customers.

20.  OPSflex Units shall be available for occupancy by no more than six users at
     any one time, unless otherwise agreed to by the parties in writing.

21.  Minors shall not be permitted in IBXflex Areas except if accompanied by an
     authorized representative of Customer.

22.  No painting or other alterations, improvements, installations or other
     changes shall be permitted in the IBXflex Units.

23.  No UPS systems shall be connected to UPS protected outlets.

24.  No household appliances (including toasters, radios, CD players,
     televisions or coffee makers) shall be permitted in IBXflex Units.

25.  IBXflex Customers may use only free standing furniture unless otherwise
     agreed to in writing with Equinix. Equinix shall have no obligation to
     provide furniture unless separately agreed in a Sales Order, in which case
     Customer shall pay all charges associated therewith.

26.  IBXflex Customers shall not use local area network (LAN) devices without
     the prior written consent of Equinix.

27.  IBXflex Customers shall not alter, tamper with, or otherwise handle the
     shared cable trays provided in the IBXflex Areas.

28.  No parties or social events shall be conducted in the Shared Areas except
     with Equinix's prior permission.

29. Equinix will maintain a "lost and found" area and will keep any items
    deposited in the lost and found area for up to ten days, after which time
    Equinix will be free to sell, give away or discard such items at it deems
    appropriate.

                              Equinix Confidential

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<PAGE>

     30. Customer shall comply with Equinix's policies regarding the
         reservation and use of conference rooms. Conference rooms shall be made
         available on a "space available" basis. In the event Equinix determines
         that Customer's use of any conference rooms is in excess of normal
         requirements, Equinix may restrict Customer's right of access to the
         conference rooms.

     31. Customer shall not tamper with or alter any lock or access device or
         install a new or additional lock or other access device on any door of
         its IBXflex Unit(s). Any additional security devices desired by
         Customer must be requested in accordance with Equinix's "Smart Hands"
         service.

     32. Customer shall be responsible for all persons for whom it allows to
         enter the Building and shall be liable to Equinix for all acts of such
         persons. Equinix and its agents shall not be liable for damages for any
         error concerning the admission to, or exclusion from, the Building of
         any person. During the continuance of any invasion, mob, riot, public
         excitement or other circumstance rendering such action advisable in
         Equinix's opinion, Equinix reserves the right (but shall not be
         obligated) to prevent access to the Building during the continuance of
         that event by any means it considers appropriate for the safety of
         customers and protection of the Building.

     33. Customer and all Authorized Persons of Customer shall comply with
         Equinix's security requirements, including sign in and identification
         procedures. Customer immediately shall notify Equinix of any change
         (including dismissals) of any Authorized Persons and of any lost,
         stolen or misplaced badges or security codes. No visitors shall be
         granted access unless escorted by an Authorized Person of Customer.
         Customer shall notify Equinix of any security violations of which
         Customer becomes aware.

     34. Any alterations, additions, deletions, modifications or utility
         installations in, of or to the improvements contained within the
         IBXflex Unit(s) initiated by Customer or third parties acting on behalf
         of Customer (collectively, "Alterations") shall be installed at
         Customer's expense and only in accordance with detailed plans and
         specifications, construction methods, and all appropriate permits and
         licenses, all of which have been previously submitted to and approved
         in writing by Equinix, and by a professionally qualified and licensed
         contractor and subcontractors approved by Equinix. No Alterations in or
         to the IBXflex Unit(s) may be made without Equinix's prior written
         consent, which shall not be unreasonably withheld. Equinix will not be
         deemed to unreasonably withhold its consent to any Alteration that
         violates any applicable law, may affect or be incompatible with the
         Building's structure or its HVAC, plumbing, life-safety, electrical,
         mechanical or other basic systems, or the appearance of the Building.
         All Alterations made in or upon the IBXflex Unit(s) shall, (i) at
         Equinix's option, either be removed by Customer prior to the end of the
         Term (and Customer shall restore the portion of the IBXflex Unit(s)
         affected to its condition existing immediately prior to such
         Alteration), or shall remain on the IBXflex Unit(s) at the end of the
         Term, (ii) be constructed, maintained, insured and used by Customer, at
         its risk and expense, in a, good and workmanlike manner, and in
         accordance with all laws.

     35. Customer shall not do or permit anything to be done in, about or with
         respect to the licensed IBXflex Unit(s) which would (a) injure the
         IBXflex Unit(s) or (b) vibrate, shake, overload, or impair the
         efficient operation of the IBXflex Unit(s) or the building systems
         located therein. The IBXflex license is a personal right conferred only
         upon Customer and may not be assigned or transferred, in whole or in
         part, except with Equinix's prior written consent, which may be granted
         or withheld in its sole and absolute discretion.

     Equinix reserves the right to make such other and reasonable rules and
     regulations as in its judgment may from time to time be needed for safety
     and security, for care and cleanliness of the Building and for the
     preservation of good order therein. Customer agrees to abide by all such
     Rules herein stated and any additional rules and regulations which are
     adopted and provided to Customer in writing.

     All capitalized terms used in but not defined herein shall have the same
     meaning as in the Agreement, unless such terms are expressly modified
     herein. For the purposes of these Rules, the following terms have the
     meanings set forth below:

     "Authorized Person" notwithstanding anything in the contrary in the
     Agreement and for purposes of these Rules, means a third party authorized
     by Customer to enter the IBXflex Area(s) and or IBXflex Unit(s)

     "Building" or "Buildings" means the building or buildings in which IBXflex
     Areas are located.

     "IBXflex Areas" means the areas (as determined by Equinix in its sole
     discretion) in which Equinix makes IBXflex Units available for its
     customers who have obtained a license to use IBX Space in particular IBX
     Centers. IBXflex Areas may be located in an IBX Center or in areas in
     reasonable proximity to an IBX Center.

     "IBXflex Customers" means customers of Equinix (including Customer) to whom
     Equinix has granted a license to use IBXflex Units.

                              Equinix Confidential

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<PAGE>

         "IBXflex Unit" or "IBXflex Units" means, individually or collectively
as the case may be, one or more OPSflex Units, STORflex Units, or TECHflex
Units, in each case as designated in one or more Sales Orders signed and
delivered by Equinix and Customer.

         "OPSflex Unit" means an IBXflex Unit designed for use by Customer as a
network operating center and for general office uses to support Customer's use
of IBX Space.

         "Shared Areas" means conference rooms, kitchenettes, restrooms,
lounges, break rooms, corridors, stairways, elevators, and any other areas
within any IBXflex Area that are provided by Equinix for the general convenience
of IBXflex Customers, as designated by Equinix from time to time.

         "STORflex Unit" means, unless otherwise agreed to by the parties in
writing, an IBXflex Unit consisting of approximately 125 gross square feet of
space (a "STORflex 125 Unit"), approximately 75 gross square feet of space (a
"STORflex 75 Unit"), or approximately 50 gross square feet of space (a "STORflex
50 Unit"), in each case to be used solely for staging and storage (but not
occupancy) of Equipment used by Customer in its IBX Space.

         "TECHflex Unit" means an IBXflex Unit designed for use by Customer for
temporary office uses to support Customer's use of its colocation space, which
is available on a daily or weekly basis as specified in a Sales Order.
abandoned.

These Rules are incorporated by reference into the Agreement and shall apply to
Customer's use of IBXflex Unit(s) ordered by Customer in the past and in the
future. In the event of a conflict between this these Rules and the Agreement,
the terms of these Rules shall govern with respect to Customer's use of the
IBXflex Units.

Customer to complete:                       Equinix to Complete:

The individual executing this Agreement on  The individual executing this
on behalf of Customer has been duly         Agreement of on behalf Equinix has
authorized to execute this Agreement on     been duly authorized to execute this
behalf of Customer.                         Agreement on behalf of Equinix.

Customer Name: ___________________________

Submitted By:_____________________________  Submitted By:_______________________
              (Authorized Signature)                     (Authorized Signature)

Printed Name:_____________________________  Printed Name:_______________________

Date Signed:______________________________  Date Signed:________________________

Title:____________________________________  Title: _____________________________

                              Equinix Confidential

                                       4

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