Document:

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                                                                  EXHIBIT 10.17

                         iBEAM BROADCASTING CORPORATION

                      RESTRICTED STOCK PURCHASE AGREEMENT

     This Restricted Stock Purchase Agreement (the "Agreement") is made as of
the 25th day of January, 2000 by and between iBEAM Broadcasting Corporation, a
Delaware corporation (the "Company"), and Frederic Seegal (the "Purchaser").

                                    RECITALS
                                    --------

     WHEREAS, Mr. Seegal and the Company have entered into a Consulting
Agreement of even date herewith, pursuant to which Mr. Seegal will provide
consulting services to Company from time to time as reasonably requested by the
Company;

     NOW, THEREFORE, In consideration of the mutual covenants and
representations herein set forth, the Company and Purchaser agree as follows:

     1.  Purchase and Sale of the Shares. Subject to the terms and conditions
of this Agreement, the Company hereby agrees to sell to Purchaser, and
Purchaser agrees to purchase from the Company, 660,000 shares of the Company's
Common Stock (the "Shares") at a per share price of $6.66 (the "Purchase
Price") for an aggregate purchase price of $4,395,600 (the "Aggregate Purchase
Price").

     2.  Payment of the Purchase Price at the Closing. The purchase and sale of
the Shares shall occur at a closing (the "Closing") to be held as of January
25, 2000.  At the Closing, Purchaser shall pay the Aggregate Purchase Price by
(a) delivering the promissory note (the "Note") in the form attached hereto as
Exhibit A, in the amount of $1,999,998, together with the execution and
delivery by the Purchaser of the Security Agreement attached hereto as Exhibit
B and (b) delivering cash by check or wire transfer in the amount of
$2,395,602.  The Company will, promptly after payment of the Aggregate Purchase
Price, issue a stock certificate representing the Shares registered in the name
of the Purchaser.

     3.  Repurchase Option.

         (a)  In the event that Purchaser's Continuous Status as a Service
Provider (as defined below) terminates for any or no reason, including
resignation, involuntary termination, death or Disability (as defined below)
(collectively, a "Termination"), the Company shall upon the date of such
Termination (as reasonably fixed and determined by the Company) (the
"Termination Date") have an irrevocable right (the "Repurchase Option") to
repurchase all or a portion of the Unvested Shares (as defined in Section 4
below) at the Purchase Price per Unvested Share (subject to adjustment as set
forth in Section 11 hereof) (the "Repurchase Price").

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         (b)  The Repurchase Option shall be exercisable by the Company within
thirty (30) days following the Termination Date by delivering or mailing to
Purchaser or Purchaser's executor (i) written notice in the manner provided for
in Section 14 hereof, and (ii) a check and/or cancellation of the Note in the
amount of the aggregate Repurchase Price.  Upon delivery of such notice and the
payment of the aggregate Repurchase Price as described above, the Company shall
become the legal and beneficial owner of the Shares being repurchased and all
rights and interests therein or relating thereto, and the Company shall have
the right to retain and transfer to its own name the number of Shares being
repurchased by the Company.

         (c)  Nothing in this Agreement shall affect in any manner whatsoever
the right or power of the Company, or a parent or subsidiary of the Company, or
their respective stockholders from removing or otherwise terminating
Purchaser's service provider relationship with the Company.

         (d)  The Company may assign its rights and delegate its duties under
this Agreement, including the Repurchase Option.  Accordingly, whenever the
Company shall have the  right to repurchase Shares hereunder, the Company may
designate and assign one or more employees, officers, directors or stockholders
of the Company or other persons or organizations to exercise all or a part of
the Company's Repurchase Option under this Agreement.

         (e)  "Continuous Status as a Service Provider" means that the
Purchaser's relationship with the Company or any subsidiary of the Company as a
service provider is not interrupted or terminated. Continuous Status as a
Service Provider shall not be considered interrupted in the case of (i) any
leave of absence approved by the Company, or (ii) transfers between locations
of the Company or between the Company, its Parent, any Subsidiary, or any
successor. Service as a director of the Company without a contemporaneous
services relationship shall not be sufficient to maintain Purchaser's
Continuous Status as a Service Provider.

     4.  Release of Shares From Repurchase Option.  As of January 25, 2000 (the
"Vesting Commencement Date"), all of the Shares shall be Unvested Shares. Six
forty-eighth (6/48th) of the Shares shall become Vested Shares six (6) months
after the Vesting Commencement Date and one forty-eighth (1/48th) of the
Unvested Shares shall become Vested Shares each month thereafter, provided in
each case that the Purchaser's Continuous Status as a Service Provider has not
terminated for any reason or for no reason prior to the date of any such
release.

     5.  Company's Right of First Refusal. Before any Shares held by Purchaser
or any transferee (either being sometimes referred to herein as the "Holder")
may be sold or otherwise transferred (including transfer by gift or operation
of law), the Company or its assignee(s) shall have a right of first refusal to
purchase the Shares on the terms and conditions set forth in this Section (the
"Right of First Refusal").

         (a)  Notice of Proposed Transfer. The Holder of the Shares shall
deliver to the Company a written notice (the "Notice") stating:  (i) the
Holder's bona fide intention to sell or otherwise transfer such Shares; (ii)
the name of each proposed purchaser or other transferee ("Proposed
Transferee"); (iii) the number of Shares to be transferred to each Proposed
Transferee; and (iv) the bona fide cash price or other consideration for which
the Holder proposes to transfer the

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Shares (the "Offered Price"), and the Holder shall offer the Shares at the
Offered Price to the Company or its assignee(s).

         (b)  Exercise of Right of First Refusal. At any time within thirty
(30) days after receipt of the Notice, the Company and/or its assignee(s) may,
by giving written notice to the Holder, elect to purchase all, but not less
than all, of the Shares proposed to be transferred to any one or more of the
Proposed Transferees, at the purchase price determined in accordance with
subsection (c) below.

         (c)  Purchase Price. The purchase price for the Shares purchased by
the Company or its assignee(s) under this Section shall be the Offered Price.
If the Offered Price includes consideration other than cash, the cash
equivalent value of the non-cash consideration shall be determined by the Board
in good faith.

         (d)  Payment. Payment of the purchase price shall be made, at the
option of the Company or its assignee(s), in cash (by check), by cancellation
of all or a portion of any outstanding indebtedness of the Holder to the
Company (or, in the case of repurchase by an assignee, to the assignee), or by
any combination thereof within 30 days after receipt of the Notice or in the
manner and at the times set forth in the Notice.

         (e)  Holder's Right to Transfer. If all of the Shares proposed in the
Notice to be transferred to a given Proposed Transferee are not purchased by
the Company and/or its assignee(s) as provided in this Section, then the Holder
may sell or otherwise transfer such Shares to that Proposed Transferee at the
Offered Price or at a higher price, provided that such sale or other transfer
is consummated within 120 days after the date of the Notice, that any such sale
or other transfer is effected in accordance with any applicable securities laws
and that the Proposed Transferee agrees in writing that the provisions of this
Section shall continue to apply to the Shares in the hands of such Proposed
Transferee.  If the Shares described in the Notice are not transferred to the
Proposed Transferee within such period, a new Notice shall be given to the
Company, and the Company and/or its assignees shall again be offered the Right
of First Refusal before any Shares held by the Holder may be sold or otherwise
transferred.

         (f)  Exception for Certain Family Transfers. Anything to the contrary
contained in this Section notwithstanding, the transfer of any or all of the
Shares during the Purchaser's lifetime or on the Purchaser's death by will or
intestacy to the Purchaser's immediate family or a trust for the benefit of the
Purchaser's immediate family shall be exempt from the provisions of this
Section.  "Immediate Family" as used herein shall mean spouse, lineal
descendant or antecedent, father, mother, brother or sister.  In such case, the
transferee or other recipient shall receive and hold the Shares so transferred
subject to the provisions of this Section, and there shall be no further
transfer of such Shares except in accordance with the terms of this Section.

         (g)  Termination of Right of First Refusal. The Right of First Refusal
shall terminate as to any Shares upon the first sale of Common Stock of the
Company to the general public pursuant to a registration statement filed with
and declared effective by the Securities and Exchange Commission under the
Securities Act of 1933, as amended.

                                      -3-
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     6.  Representations of Purchaser. In connection with the Purchaser's
purchase of the Shares, Purchaser hereby represents and warrants to the Company
as follows:

         (a)  Investment Intent; Capacity to Protect Interests. The Purchaser
is purchasing the Shares solely for his own account for investment and not with
a view to or for sale in connection with any distribution of the Shares or any
portion thereof and not with any present intention of selling, offering to sell
or otherwise disposing of or distributing the Shares or any portion thereof in
any transaction other than a transaction exempt from registration under the
Securities Act of 1933, as amended (the "Securities Act").  The Purchaser also
represents that the entire legal and beneficial interest of the Shares is being
purchased, and will be held, for the Purchaser's account only, and neither in
whole or in part for any other person.  The Purchaser either has a pre-existing
business or personal relationship with the Company or one or more of its
officers, directors or controlling persons or by reason of the Purchaser's
business or financial experience or the business or financial experience of the
Purchaser's professional advisors who are unaffiliated with and who are not
compensated by the Company or any affiliate or selling agent of the Company,
directly or indirectly, could be reasonably assumed to have the capacity to
evaluate the merits and risks of an investment in the Company and to protect
the Purchaser's own interests in connection with this transaction.

         (b)  Residence. The Purchaser's principal residence is New York.

         (c)  Information Concerning Company. The Purchaser is knowledgeable
about the Company's plans, operations and financial condition, knows that the
Company is a highly speculative business and has heretofore received all such
information as the Purchaser has deemed necessary and appropriate to enable the
Purchaser to evaluate the financial risk inherent in making an investment in
the Shares, and the Purchaser has satisfactory and complete information
concerning the business and financial condition of the Company.

         (d)  Economic Risk. The Purchaser realizes that the purchase of the
Shares will be a highly speculative investment and involves a high degree of
risk, and the Purchaser is able, without impairing his financial condition, to
hold the Shares for an indefinite period of time and to suffer a complete loss
on the Purchaser's investment.

         (e)  Restricted Securities. The Purchaser understands and acknowledges
that:

              (i)   The sale of the Shares has not been registered under the
Securities Act, and the Shares must be held indefinitely unless subsequently
registered under the Securities Act or an exemption from such registration is
available (such as Rule 144 or the resale provisions of Rule 701 under the
Securities Act) and the Company is under no obligation to register the Shares;

              (ii)  The Purchaser understands that the share certificate
representing the Shares will be stamped with the legends specified in Section 9
hereof; and

              (iii) The Purchaser understands that the Company will make a
notation in its records of the aforementioned restrictions on transfer and
legends.

         (f)  Disposition under the Securities Act.  The Purchaser understands
that the Shares are restricted securities within the meaning of Rule 144
promulgated under the Securities

                                      -4-
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Act; that the exemption from registration under Rule 144 will not be available
in any event for at least one year from the date of purchase and payment of the
Shares (unless Rule 701 promulgated under the Securities Act is available), and
even then will not be available unless (i) a public trading market then exists
for the Common Stock of the Company, (ii) adequate information concerning the
Company is then available to the public, and (iii) other terms and conditions
of Rule 144 are complied with; and that any sale of the Shares may be made only
in limited amounts in accordance with such terms and conditions.  The Purchaser
further understands that the resale provisions of Rule 701, if available, will
not apply until 90 days after the Company becomes subject to the reporting
obligations under the Securities Exchange Act of 1934, as amended (the
"Exchange Act").  There can be no assurance that the requirements of Rule 144
or Rule 701 will be met, or that the stock will ever be saleable.

         (g)  Further Limitations on Disposition. Without in any way limiting
the representations set forth above, the Purchaser further agrees that he shall
in no event make any disposition of all or any portion of the Shares unless and
until:

              (i)  There is then in effect a Registration Statement under the
Securities Act covering such proposed disposition and such disposition is made
in accordance with said Registration Statement; (B) the resale provisions of
Rule 701 or Rule 144 are available in the opinion of counsel to the Company; or
(C)(1) the Purchaser shall have notified the Company of the proposed
disposition and shall have furnished the Company with a detailed statement of
the circumstances surrounding the proposed disposition, (2) the Purchaser shall
have furnished the Company with an opinion of the Purchaser's counsel to the
effect that such disposition will not require registration of such Shares under
the Securities Act, and (3) such opinion of the Purchaser's counsel shall have
been concurred with by counsel for the Company and the Company shall have
advised the Purchaser of such concurrence; and,

              (ii) Any transferee of the Shares agrees in writing to be bound
by all terms of this Agreement, including the "market stand-off" provisions set
forth in Section 10 hereof.

         (h)  Valuation of Common Stock. The Purchaser understands that the
Shares have been valued by the Board of Directors and that the Company believes
this valuation represents a fair attempt at reaching an accurate appraisal of
their worth.  The Purchaser understands, however, that the Company can give no
assurances that such price is in fact the fair market value of the Shares.

              (i)  Section 83(b) Election.  The Purchaser understands that
Section 83 of the Internal Revenue Code of 1986, as amended (the "Code"), taxes
as ordinary income the difference between the amount paid for the Shares and
the fair market value of the Shares as of the date any restrictions on the
Shares lapse.  In this context, "restriction" means the right of the Company to
buy back the Unvested Shares pursuant to the Repurchase Option.  The Purchaser
understands that he may elect to be taxed at the time the Unvested Shares are
purchased rather than when and as the Repurchase Option expires by filing an
election under Section 83(b) of the Code with the Internal Revenue Service
within 30 days from the date of purchase.  Even if the fair market value of the
Unvested Shares equals the amount paid for the Unvested Shares, the election
must be made to avoid adverse tax consequences in the future.  The form for
making this election is attached as Exhibit C hereto.  The Purchaser
understands that failure to make this filing timely will result in the

                                      -5-
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recognition of ordinary income by the Purchaser, as the Repurchase Option
lapses, on the difference between the purchase price and the fair market value
of the Unvested Shares at the time such restrictions lapse.

     THE PURCHASER ACKNOWLEDGES THAT IT IS THE PURCHASER'S SOLE RESPONSIBILITY
AND NOT THE COMPANY'S TO FILE TIMELY THE ELECTION UNDER SECTION 83(b), EVEN IF
THE PURCHASER REQUESTS THE COMPANY OR ITS REPRESENTATIVES TO MAKE THIS FILING ON
THE PURCHASER'S BEHALF.

     7.  Rights as Stockholder. Subject to the terms and conditions of this
Agreement, the Purchaser shall have all of the rights of a stockholder of the
Company with respect to the Shares from and after the date that the Purchaser
delivers full payment for the Shares until such time as the Purchaser disposes
of the Shares or the Company and/or its assignee(s) exercises the Repurchase
Option hereunder.  Upon such exercise or disposition, the Purchaser shall have
no further rights as a holder of the Shares so purchased except the right to
receive payment for the Shares so purchased in accordance with the provisions of
this Agreement, and the Purchaser shall forthwith cause the certificate(s)
evidencing the Shares so purchased to be surrendered to the Company for transfer
or cancellation.

     8.  Escrow. As security for the faithful performance of this Agreement, the
Purchaser agrees, immediately upon receipt of the certificate(s) evidencing the
Shares, to deliver such certificate(s), together with a stock power in the form
of Exhibit D attached hereto, executed by the Purchaser and by the Purchaser's
spouse, if any (with the date and number of Shares left blank), to the Secretary
of the Company or its designee ("Escrow Agent"); said documents are to be held
by the Escrow Agent pursuant to the Joint Escrow Instructions of the Company and
the Purchaser set forth in Exhibit E attached hereto and incorporated by this
reference, which instructions shall also be delivered to the Escrow Agent after
the Closing.

     9.  Restrictive Legends and Stop-Transfer Orders.

         (a)  Legends. The Purchaser understands and agrees that the Company
shall cause the legends set forth below or legends substantially equivalent
thereto, to be placed upon any certificate(s) evidencing ownership of the
Shares together with any other legends that may be required by other agreements
and by state or federal securities laws:

         THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE
         SECURITIES ACT OF 1933, AS AMENDED (THE "ACT") AND MAY NOT BE OFFERED,
         SOLD OR OTHERWISE TRANSFERRED UNLESS AND UNTIL REGISTERED UNDER THE
         ACT OR, IN THE OPINION OF COUNSEL IN FORM AND SUBSTANCE SATISFACTORY
         TO THE ISSUER OF THESE SECURITIES, SUCH OFFER, SALE OR TRANSFER IS IN
         COMPLIANCE THEREWITH.

         THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A RIGHT OF
         REPURCHASE AND A RIGHT OF FIRST

                                      -6-
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          REFUSAL HELD BY THE ISSUER OR ITS ASSIGNEE(S) AND A 180-DAY MARKET
          STANDOFF PROVISION, AS SET FORTH IN THE RESTRICTED STOCK PURCHASE
          AGREEMENT BETWEEN THE ISSUER AND THE ORIGINAL HOLDER OF THESE SHARES,
          A COPY OF WHICH MAY BE OBTAINED AT THE PRINCIPAL OFFICE OF THE
          ISSUER.  SUCH MARKET STANDOFF PROVISION IS BINDING ON TRANSFEREES OF
          THESE SHARES.

          (b)  Stop-Transfer Notices. The Purchaser agrees that, in order to
ensure compliance with the restrictions referred to herein, the Company may
issue appropriate stop transfer instructions to its transfer agent, if any, and
that, if the Company transfers its own securities, it may make appropriate
notations to the same effect in its own records.

          (c)  Refusal to Transfer. The Company shall not be required (i) to
transfer on its books any Shares that have been sold or otherwise transferred
in violation of any of the provisions of this Agreement or (ii) to treat as
owner of such Shares or to accord the right to vote or pay dividends to any
purchaser or other transferee to whom such Shares shall have been so
transferred.

     10.  Market Stand-off Agreement. The Purchaser hereby agrees, to the extent
requested by the managing underwriters in the initial public offering of the
Company's capital stock, that, without the prior written consent of such
managing underwriters, the Purchaser will not offer, sell, contract to sell,
grant any option to purchase, make any short sale or otherwise dispose of, make
a distribution of, or otherwise reduce the economic risk of owning any capital
stock of the Company held by or on behalf of the Purchaser or beneficially owned
by the Purchaser in accordance with the rules and regulations of the Securities
and Exchange Commission for a period of up to 180 days after the date of the
final prospectus relating to the Company's initial public offering.  This
restriction shall be binding on any transferee of shares from the Purchaser.

     11.  Adjustment for Stock Split. All references to the number of Shares,
the Purchase Price and the Repurchase Price of the Shares in this Agreement
shall be appropriately adjusted to reflect any stock split, stock dividend,
combination, reclassification or the like applicable to the Shares which may be
made by the Company after the date of this Agreement.

     12.  Successors and Assigns. The Company may assign any of its rights
under this Agreement to single or multiple assignees, and this Agreement shall
inure to the benefit of the successors and assigns of the Company.  Subject to
the restrictions on transfer herein set forth, this Agreement shall be binding
upon the Purchaser and his or her heirs, executors, administrators, successors
and assigns.

     13.  Governing Law; Severability, Arbitration of Disputes.  This Agreement
shall be governed by and construed in accordance with the laws of the State of
California, excluding that body of law pertaining to conflicts of law.  Should
any provision of this Agreement be determined to be illegal or unenforceable,
the other provisions shall nevertheless remain effective and shall remain
enforceable.  Any dispute under this Agreement shall be resolved by binding
arbitration pursuant to the Commercial Arbitration Rules of the American
Arbitration Association to be held in Palo Alto, California.

                                      -7-
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     14.  Notices. Any notice, demand, offer or request required or permitted
to be given by either the Company or the Purchaser pursuant to the terms of
this Agreement shall be in writing and shall be deemed effectively given the
earlier of (i) when received, (ii) when delivered personally, (iii) one (1)
business day after being delivered by facsimile (with receipt of appropriate
confirmation), (iv) one (1) business day after being deposited with an
overnight courier service or (v) four (4) days after being deposited in the
U.S. mail, First Class with postage prepaid, and addressed to the parties at
the addresses provided to the Company (which the Company agrees to disclose to
the other parties upon request) or such other address as a party may request by
notifying the other in writing.

     15.  Further Instruments. The parties agree to execute such further
instruments and to take such further action as may be reasonably necessary to
carry out the purposes and intent of this Agreement.

     16.  Entire Agreement. This Agreement and the Consulting Agreement dated
this date constitute the entire agreement of the parties and supersedes in its
entirety all prior undertakings and agreements of the Company and the Purchaser
with respect to the subject matter hereof and thereof.

     17.  Counterparts. This Agreement may be executed in counterparts, each of
which will be deemed an original, but all of which together will constitute one
and the same agreement.

     18.  No Assurance of Service Provider Relationship. Nothing in this
Agreement shall limit or restrict in any way the Company's ability or
Purchaser's ability to terminate the Service Provider Relationship for any
reason or no reason, with or without cause.

                           [Signature Page Follows]

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     By the Purchaser's signature below, the Purchaser represents that the
Purchaser hereby accepts this Agreement subject to all of the terms and
provisions thereof.  The Purchaser understands that Wilson Sonsini Goodrich &
Rosati, P.C. is acting as counsel to the Company and not as counsel to the
Purchaser.  The Purchaser has reviewed this Agreement in its entirety, has had
an opportunity to obtain the advice of the Purchaser's own counsel prior to
executing this Agreement and fully understands all provisions of this
Agreement.

THE PURCHASER                           iBEAM BROADCASTING
                                        a Delaware corporation

/s/ Fredric Seegal                      /s/ Peter Desnoes
----------------------------------      ----------------------------------
 Signature                               Signature of Authorized Signatory

 Frederic Seegal                        Peter Desnoes
----------------------------------      ----------------------------------
 Print Name                              Print Name and Title

 Address:

           [SIGNATURE PAGE TO RESTRICTED STOCK PURCHASE AGREEMENT]

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                                  EXHIBIT A

                                     NOTE
                                     ----

$1,999,998.00                                         Sunnyvale, California

January 25, 2000

     FOR VALUE RECEIVED, Frederic Seegal promises to pay to iBEAM Broadcasting
Corporation, a Delaware corporation (the "Company"), or order, at its principal
office the principal sum of $1,999,998 together with interest on the unpaid
principal hereof from the date hereof at the rate of six and one-half percent
(6.5%) per annum, compounded semiannually.

     Principal and interest shall be due and payable on the earlier of (i)
January 25, 2004, (ii) from any proceeds from the sale of the Company's
securities by the undersigned (net of taxes) which shall be used to repay the
principal and interest owing hereunder immediately upon receipt of such proceeds
by the undersigned and (iii) ninety (90) days after termination of the
undersigned as a service provider of the Company for any reason or no reason,
provided such 90-day period shall be increased to 180 days if the Company's
securities are publicly traded and the undersigned is restricted from selling
such securities under applicable securities laws or an affiliate's agreement.
Payment of principal and interest shall be made in lawful money of the United
States of America.

     The undersigned may at any time prepay all or any portion of the principal
or interest owing hereunder.

     This Note is subject to the terms of the Restricted Stock Purchase
Agreement, dated as of January 25, 2000.  This Note is secured in part by a
pledge of the Company's common stock under the terms of a Security Agreement of
even date herewith and is subject to all the provisions thereof.

     The holder of this Note shall have full recourse against the undersigned,
and shall not be required to proceed against the collateral securing this Note
in the event of default.

     Should any action be instituted for the collection of this Note, the
reasonable costs and attorneys' fees therein of the holder shall be paid by the
undersigned.

                              Signature: _______________________________

                              Name: ____________________________________

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                                  EXHIBIT B

                              SECURITY AGREEMENT
                              ------------------

     This Security Agreement is made as of January 25, 2000 between iBEAM
Broadcasting Corporation, a Delaware corporation ("Pledgee"), and Frederic
Seegal ("Pledgor").

                                   RECITALS

     Pursuant to Pledgor's purchase of shares of Pledgee's common stock ("Common
Stock") under the Restricted Stock Purchase Agreement dated January 25, 2000
(the "Purchase Agreement"), between Pledgor and Pledgee, Pledgee has agreed to
accept delivery of a promissory note (the "Note"), relating to Pledgor's
purchase of 300,300 shares of Pledgee's Common Stock (the "Pledged Shares") at a
per share price of $6.66 per share, for a total purchase price of $1,999,998.
The Note and the obligations thereunder are as set forth in Exhibit A to the
                                                            ---------
Purchase Agreement.

     NOW, THEREFORE, it is agreed as follows:

     1.  Creation and Description of Security Interest.  In consideration of the
         ---------------------------------------------
transfer of the Shares to Pledgor under the Purchase Agreement, Pledgor,
pursuant to the California Commercial Code, hereby pledges all of such Pledged
Shares (herein sometimes referred to as the "Collateral") represented by
certificate number ______, duly endorsed in blank or with executed stock powers,
and herewith delivers said certificate to the Secretary of Pledgee
("Pledgeholder"), who shall hold said certificate subject to the terms and
conditions of this Security Agreement.

     The pledged stock (together with an executed blank stock assignment for use
in transferring all or a portion of the Pledged Shares to Pledgee if, as and
when required pursuant to this Security Agreement) shall be held by the
Pledgeholder as security for the repayment of the Note, and any extensions or
renewals thereof, to be executed by Pledgor pursuant to the terms of the
Purchase Agreement, and the Pledgeholder shall not encumber or dispose of such
Pledged Shares except in accordance with the provisions of this Security
Agreement and the Purchase Agreement.

     2.  Pledgor's Representations and Covenants.  To induce Pledgee to enter
         ---------------------------------------
into this Security Agreement, Pledgor represents and covenants to Pledgee, its
successors and assigns, as follows:

         (a)  Payment of Indebtedness.  Pledgor will pay the principal sum of
              -----------------------
the Note secured hereby, together with interest thereon, at the time and in the
manner provided in the Note.

         (b)  Encumbrances.  The Pledged Shares are free of all other
              ------------
encumbrances, defenses and liens, and Pledgor will not further encumber the
Pledged Shares without the prior written consent of Pledgee.

                                      -11-
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         (c)  Margin Regulations.  In the event that Pledgee's Common Stock is
              ------------------
now or later becomes margin-listed by the Federal Reserve Board and Pledgee is
classified as a "lender" within the meaning of the regulations under Part 207
of Title 12 of the Code of Federal Regulations ("Regulation G"), Pledgor agrees
to cooperate with Pledgee in making any amendments to the Note or providing any
additional collateral as may be necessary to comply with such regulations.

     3.  Voting Rights.  During the term of this pledge and so long as all
         -------------
payments of principal and interest are made as they become due under the terms
of the Note, Pledgor shall have the right to vote all of the Pledged Shares
hereunder.

     4.  Stock Adjustments.  In the event that during the term of the pledge
         -----------------
any stock dividend, reclassification, readjustment or other changes are
declared or made in the capital structure of Pledgee, all new, substituted and
additional shares or other securities issued by reason of any such change shall
be delivered to and held by the Pledgee under the terms of this Security
Agreement in the same manner as the Pledged Shares originally pledged
hereunder.  In the event of substitution of such securities, Pledgor, Pledgee
and Pledgeholder shall cooperate and execute such documents as are reasonable
so as to provide for the substitution of such Collateral and, upon such
substitution, references to "Pledged Shares" in this Security Agreement shall
include the substituted shares of capital stock of Pledgor as a result thereof.

     5.  Options and Rights.  In the event that, during the term of this pledge,
         ------------------
subscription options or other rights shall be issued in connection with the
Pledged Shares, such rights or options shall be the property of Pledgor and, if
exercised by Pledgor, all new stock or other securities so acquired by Pledgor
as it relates to the Pledged Shares then held by Pledgeholder shall be
immediately delivered to Pledgeholder, to be held under the terms of this
Security Agreement in the same manner as the Pledged Shares.

     6.  Default.  Pledgor shall be deemed to be in default of the Note and of
         -------
this Security Agreement in the event:

         (a)  Payment of principal or interest on the Note shall be delinquent
for a period of 10 days or more; or

         (b)  Pledgor fails to perform any of the covenants set forth in the
Purchase Agreement or contained in this Security Agreement for a period of 10
days after written notice thereof from Pledgee.

         In the case of an event of default, as set forth above, Pledgee shall
have the right to accelerate payment of the Note upon notice to Pledgor, and
Pledgee shall thereafter be entitled to pursue its remedies under the California
Commercial Code.

     7.  Release of Collateral.  Subject to any applicable contrary rules under
         ---------------------
Regulation G, there shall be released from this pledge a portion of Pledged
Shares held by Pledgeholder hereunder upon payments of the principal of the
Note.  The number of Pledged Shares which shall be released shall be that number
of full shares which bears the same proportion to the initial number of Pledged
Shares hereunder as the payment of principal bears to the initial full principal
amount of the Note.

                                      -12-
<PAGE>

     8.   Withdrawal or Substitution of Collateral.  Pledgor shall not sell,
          ----------------------------------------
withdraw, pledge, substitute or otherwise dispose of all or any part of the
Collateral without the prior written consent of Pledgee.

     9.   Term.  This pledge of shares shall continue until the payment of all
          ----
indebtedness secured hereby, at which time the remaining pledged stock shall be
promptly delivered to Pledgor, subject to the provisions for prior release of a
portion of the Collateral as provided in paragraph 7 above and subject to the
terms of the Purchase Agreement.

     10.  Insolvency.  Pledgor agrees that if a bankruptcy or insolvency
          ----------
proceeding is instituted by or against it, or if a receiver is appointed for
the property of Pledgor, or if Pledgor makes an assignment for the benefit of
creditors, the entire amount unpaid on the Note shall become immediately due
and payable, and Pledgee may proceed as provided in the case of default.

     11.  Pledgeholder Liability.  In the absence of willful or gross
          ----------------------
negligence, Pledgeholder shall not be liable to any party for any of his acts,
or omissions to act, as Pledgeholder.

     12.  Invalidity of Particular Provisions.  Pledgor and Pledgee agree that
          -----------------------------------
the enforceability or invalidity of any provision or provisions of this
Security Agreement shall not render any other provision or provisions herein
contained unenforceable or invalid.

     13.  Successors or Assigns.  Pledgor and Pledgee agree that all of the
          ---------------------
terms of this Security Agreement shall be binding on their respective
successors and assigns, and that the term "Pledgor" and the term "Pledgee" as
used herein shall be deemed to include, for all purposes, the respective
designees, successors, assigns, heirs, executors and administrators.

     14.  Governing Law.  This Security Agreement shall be interpreted and
          -------------
governed under the internal substantive laws, but not the choice of law rules,
of California.

                                      -13-
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.

PLEDGOR
                                       ----------------------------------------
                                       Signature

                                       Frederic Seegal
                                       ----------------------------------------
                                       Print Name

                              Address:
                                       ----------------------------------------

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

PLEDGEE                                iBEAM BROADCASTING
                                       CORPORATION
                                       a Delaware corporation

                                       ----------------------------------------
                                       Signature

                                       ----------------------------------------
                                       Print Name

                                       ----------------------------------------
                                       Title

PLEDGEHOLDER
                                       ----------------------------------------
                                       Secretary of
                                       iBEAM Broadcasting Corporation

                                      -14-
<PAGE>

                                  EXHIBIT C

                       ELECTION UNDER SECTION 83(b) OF
                       --------------------------------
                      THE INTERNAL REVENUE CODE OF 1986
                      ---------------------------------

     The undersigned taxpayer hereby elects, pursuant to the above-referenced
Federal Tax Code, to include in taxpayer's gross income for the current taxable
year, the amount of any compensation taxable to taxpayer in connection with his
receipt of the property described below:

     1.  The name, address, taxpayer identification number and taxable year of
         the undersigned are as follows:

     NAME:         TAXPAYER:        Frederic Seegal
                   SPOUSE:          [__________________]

     ADDRESS:

     IDENTIFICATION NUMBER:              TAXPAYER:  [__________________]
                                         SPOUSE:    [__________________]

     TAXABLE YEAR:  2000

     2.  The property with respect to which the election is made is described as
follows: 660,000 shares of Common Stock (the "Shares") of iBEAM Broadcasting
Corporation (the "Company").

     3.  The date on which the property was transferred is:  January 25, 2000.

     4.  The property is subject to the following restrictions:  The Shares
may be repurchased by the Company, or its assignee, on certain events.  This
right lapses over time based on the continued performance of services by the
taxpayer.

     5.  The fair market value at the time of transfer, determined without
regard to any restriction other than a restriction which by its terms will
never lapse, of such property is: $4,395,600.

     6.  The amount (if any) paid for such property is: Contribution to the
Company of intellectual property valued at $4,395,600.

The undersigned has submitted a copy of this statement to the person for whom
the services were performed in connection with the undersigned's receipt of the
above-described property.  The transferee of such property is the person
performing the services in connection with the transfer of said property.

The undersigned understands that the foregoing election may not be revoked
--------------------------------------------------------------------------
except with the consent of the Commissioner.
-------------------------------------------

Dated: _________, 2000              ______________________________________
                                    Taxpayer

The undersigned spouse of taxpayer joins in this election.

Dated: _________, 2000              ______________________________________
                                    Spouse of Taxpayer

                                      -15-
<PAGE>

                INFORMATION LETTER RE:  SECTION 83(b) ELECTION

     This information is supplied to you in connection with your recent purchase
of shares of Common Stock of iBEAM Broadcasting Corporation (the "Company"), at
a purchase price equal to the current fair market value of the stock and subject
to an Agreement for purchase of shares that gives the Company the right to
repurchase the shares under the terms stated in the Agreement in the event that
you terminate your continuous status as an employee, consultant or director of
the Company prior to the full vesting.

     Section 83 of the Internal Revenue Code taxes as ordinary income the
difference between the amount paid for the stock and its fair market value as of
the date any restrictions on that stock lapse.  In this context, a restriction
means the right of the Company to buy back the stock at less than its fair
market value, in connection with the termination of your continuous status as an
employee, consultant or director of the Company, which right expires as your
stock vests pursuant to the Agreement.  Thus, if the Shares are worth $12.50 per
share at the time the first 50% of the Shares becomes fully vested (no longer
subject to repurchase) and if you purchased such Shares for $0.01 per share,
then you would be required to report ordinary income in the amount of $12.49 for
each such Share in the first year that such Shares are first vested (no longer
subject to repurchase).  Upon the vesting of the final portion of the Shares and
if the fair market value of the Shares at that time is $15.00 per share, then
you would be required to report ordinary income in the amount of $14.99 per
share for the tax year in which such final portion of the Shares is no longer
subject to repurchase.

     To avoid the assessment of ordinary income tax at the time the restrictions
end, there is an election that can be filed under Section 83(b).  This is an
election to include in income in the year the stock is purchased the difference
between what is paid for the stock and its then fair market value.  Even though
in your case the fair market value of the stock may equal the amount paid and
therefore there may be no income at this time, the Internal Revenue Service
nonetheless requires that the election be filed in order to avoid adverse tax
consequences in the future.

     One executed copy of the 83(b) election form must be filed with the
                                                  ----------------------
Internal Revenue Service within 30 days of the purchase of the shares.  One
---------------------------------------------------------------------
executed copy should be placed with the Company's records and one executed copy
should be filed along with your federal income tax return for this year.

     For your information, the address of the IRS is as follows:

               Internal Revenue Service
               5045 East Butler Avenue
               Fresno, California 93888

                                      -16-
<PAGE>

                                  EXHIBIT D

                          STOCK POWER AND ASSIGNMENT
                          --------------------------
                          SEPARATE FROM CERTIFICATE
                          -------------------------

     FOR VALUE RECEIVED and pursuant to that certain Restricted Stock Purchase
Agreement dated as of January 25, 2000, the undersigned hereby sells, assigns
and transfers unto ___________________________________,  ______________________
(______) shares of Common Stock of iBEAM Broadcasting Corporation, a Delaware
corporation (the "Company"), standing in the undersigned's name on the books of
said Company represented by certificate number _______ delivered herewith, and
does hereby irrevocably constitute and appoint _________________________ as
attorney-in-fact, with full power of substitution, to transfer said stock on the
books of said Company.

Spouse of Purchaser                      Purchaser

----------------------------------      ----------------------------------
 (Signature)                             (Signature)

                                         Frederic Seegal
----------------------------------      ----------------------------------
 (Please Print Name)                     (Please Print Name)

This Assignment Separate From Certificate was executed in conjunction with the
terms of a Restricted Stock Purchase Agreement between the above assignor iBEAM
Broadcasting Corporation dated as of January 25, 2000.

Instruction: Please do not fill in any blanks other than the signature line.

                                      -17-
<PAGE>

                                  EXHIBIT E

                          JOINT ESCROW INSTRUCTIONS
                          -------------------------

                               January 25, 2000

Secretary
iBEAM Broadcasting Corporation
165 Almanor, Suite 100
Sunnyvale, CA  94086

Dear Mr. Secretary:

     As Escrow Agent for both iBEAM Broadcasting Corporation, a Delaware
corporation (the "Company"), and Frederic Seegal ("Purchaser"), you are hereby
authorized and directed to hold the documents delivered to you pursuant to the
terms of that certain Restricted Stock Purchase Agreement (the "Agreement"),
dated as of January 25, 2000, to which a copy of these Joint Escrow Instructions
is attached, in accordance with the following instructions:

     1. In the event that the Company and/or any assignee of the Company
(referred to collectively for convenience herein as the "Company") exercises
the Repurchase Option set forth in the Agreement, the Company shall give to
Purchaser and you a written notice specifying the number of shares of stock to
be purchased, the purchase price, and the time for a closing hereunder at the
principal office of the Company.  Purchaser and the Company hereby irrevocably
authorize and direct you to close the transaction contemplated by such notice
in accordance with the terms of said notice.

     2.  At the closing, you are directed to (a) date the stock assignments
necessary for the transfer in question, (b) fill in the number of shares being
transferred, and (c) deliver the same, together with the certificate evidencing
the shares of stock to be transferred, to the Company against the simultaneous
delivery to you of the purchase price (by check or such other form of
consideration mutually agreed to by the parties) for the number of shares of
stock being purchased pursuant to the exercise of the Repurchase Option.

     3.  Purchaser irrevocably authorizes the Company to deposit with you any
certificates evidencing shares of stock to be held by you hereunder and any
additions and substitutions to said shares as defined in the Agreement.
Purchaser does hereby irrevocably constitute and appoint you as his attorney-in-
fact and agent for the term of this escrow to execute with respect to such
securities all documents necessary or appropriate to make such securities
negotiable and to complete any transaction herein contemplated.

     4.  Upon written request of Purchaser after each successive one year
period from the date of the Agreement, unless the Repurchase Option has been
exercised and subject to the terms of the Security Agreement dated January 25,
2000 (the "Security Agreement") between Purchaser, Company and Escrow Agent,
you will deliver to Purchaser a certificate or certificates representing

                                      -18-
<PAGE>

so many shares of stock as are not then subject to the Repurchase Option.
Ninety days after the date Purchaser ceases to be either an employee,
consultant or director of the Company, subject to the terms of the Security
Agreement, you will deliver to Purchaser a certificate or certificates
representing the aggregate number of shares sold and issued pursuant to the
Agreement and not purchased by the Company or its assignees pursuant to
exercise of the Repurchase Option.

     5.  If at the time of termination of this escrow you should have in your
possession any documents, securities, or other property belonging to Purchaser,
subject to the terms of the Security Agreement, you shall deliver all of same to
Purchaser and shall be discharged of all further obligations hereunder.

     6.  Your duties hereunder may be altered, amended, modified or revoked
only by a writing signed by all of the parties hereto.

     7.  You shall be obligated only for the performance of such duties as are
specifically set forth herein and may rely and shall be protected in relying or
refraining from acting on any instrument reasonably believed by you to be
genuine and to have been signed or presented by the proper party or parties.
You shall not be personally liable for any act you may do or omit to do
hereunder as Escrow Agent or as attorney-in-fact for Purchaser while acting in
good faith and in the exercise of your own good judgment, and any act done or
omitted by you pursuant to the advice of your own attorneys shall be conclusive
evidence of such good faith.

     8.  You are hereby expressly authorized to disregard any and all warnings
given by any of the parties hereto or by any other person or Company, excepting
only orders or process of courts of law, and are hereby expressly authorized to
comply with and obey orders, judgments or decrees of any court.  In case you
obey or comply with any such order, judgment or decree, you shall not be liable
to any of the parties hereto or to any other person, firm or Company by reason
of such compliance, notwithstanding any such order, judgment or decree being
subsequently reversed, modified, annulled, set aside, vacated or found to have
been entered without jurisdiction.

     9.  You shall not be liable in any respect on account of the identity,
authorities or rights of the parties executing or delivering or purporting to
execute or deliver the Agreement or any documents or papers deposited or called
for hereunder.

     10. You shall not be liable for the expiration of any rights under the
statute of limitations with respect to these Joint Escrow Instructions or any
documents deposited with you.

     11. You shall be entitled to employ such legal counsel and other experts
as you may deem necessary properly to advise you in connection with your
obligations hereunder, may rely upon the advice of such counsel, and may pay
such counsel reasonable compensation therefor.

     12. Your responsibilities as Escrow Agent hereunder shall terminate if you
shall resign by written notice to each party.  In the event of any such
termination, the Company shall appoint a successor Escrow Agent.

                                      -19-
<PAGE>

     13. If you reasonably require other or further instruments in connection
with these Joint Escrow Instructions or obligations in respect hereto, the
necessary parties hereto shall join in furnishing such instruments.

     14. It is understood and agreed that should any dispute arise with respect
to the delivery and/or ownership or right of possession of the securities held
by you hereunder, you are authorized and directed to retain in your possession
without liability to anyone all or any part of said securities until such
disputes shall have been settled either by mutual written agreement of the
parties concerned or by a final order, decree or judgment of a court of
competent jurisdiction after the time for appeal has expired and no appeal has
been perfected, but you shall be under no duty whatsoever to institute or
defend any such proceedings.

     15. Any notice required or permitted hereunder shall be given in writing
and shall be deemed effectively given upon personal delivery or four (4) days
following deposit in the United States Post Office, by registered or certified
mail with postage and fees prepaid, addressed to each of the other parties
thereunto entitled at the following addresses, or at such other addresses as a
party may designate by written notice to each of the other parties hereto.

COMPANY:                          iBEAM Broadcasting Corporation
                                  165 Almanor, Suite 100
                                  Sunnyvale, CA  94086

PURCHASER:

ESCROW AGENT:                     Secretary, iBEAM Broadcasting Corporation
                                  165 Almanor, Suite 100
                                  Sunnyvale, CA  94086

     16. By signing these Joint Escrow Instructions, you become a party hereto
only for the purpose of said Joint Escrow Instructions; you do not become a
party to the Agreement.

                                      -20-
<PAGE>

     17. This instrument shall be binding upon and inure to the benefit of the
parties hereto, and their respective successors and permitted assigns.

                                         Very truly yours,

                                         iBEAM BROADCASTING CORPORATION
                                         a Delaware corporation

                                         --------------------------------
                                         Name:
                                         Title:

                                         PURCHASER:

                                         --------------------------------
                                         Name:  Frederic Seegal

ESCROW AGENT:

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

Secretary, iBEAM Broadcasting Corporation

                                      -21-<PAGE>

                                                                   EXHIBIT 10.18

     Note: Information in this document marked with an "[*]" has been omitted
and filed separately with the Commission. Confidential treatment has been
requested with respect to the omitted portions.

                              Excite@Home - iBEAM

                          Internet Services Agreement

     This Internet Services Agreement (this "Agreement") is made and entered
into as of April 5, 2000 (the "Effective Date") by and between At Home
Corporation, a Delaware corporation, with principal offices located at 450
Broadway Street, Redwood City, California 94063, by and through its @Work
division ("Excite@Home"), and iBEAM Broadcasting Corporation, a Delaware
corporation, with principal offices located at 645 Almanor Avenue, Suite 100,
Sunnyvale, California 94086 ("iBEAM").

          WHEREAS, Excite@Home is in the business of, among other things, the
     provision of various Internet data connectivity and co-location services;
     and

          WHEREAS, iBEAM desires to purchase certain connectivity services from
     Excite@Home, and, once Excite@Home's new National Data Centers ("NDCs") are
     completed, co-locate its equipment in those NDCs; and

          WHEREAS, Excite@Home and iBEAM both desire that Excite@Home provide
     such services to iBEAM according to the terms and conditions of this
     Agreement;

          NOW, THEREFORE, in consideration of the mutual covenants and
     agreements contained herein and for other good and valuable consideration
     the receipt and sufficiency of which is hereby acknowledged, the parties
     agree as follows:

1.   Definitions.

     1.1  "Co-location Services" means the co-location services to be provided
by Excite@Home to iBEAM hereunder, as described in Exhibit B.

     1.2  "Connectivity Services" means the Internet data connectivity services
to be provided by Excite@Home to iBEAM hereunder, as described in Exhibit A.

     1.3. "iBEAM Equipment" means the equipment and software to be provided by
iBEAM hereunder, as further described in Exhibit C.

     1.4  "Services" means, collectively, the Connectivity Service and the Co-
location Services.

2.   Connectivity Services.

     2.1  Connectivity Services and Equipment

     (a)  Provision of Services.  Subject to the terms and conditions of this
Agreement, Excite@Home will provide iBEAM with the Connectivity Services during
the term of this Agreement until such time as the Co-location Services commence.

     (b)  iBEAM-Provided Equipment.  In order to utilize the Connectivity
Services, iBEAM understands that it shall be required to provide and maintain
the iBEAM Equipment.

                                       1
<PAGE>

     (c)  Circuit Provider

          (i)  The Local Circuit Link to be used for the Connectivity Services
     will be provided by a third party circuit provider ("Circuit Provider").
     Except as otherwise agreed between the parties, Excite@Home will select the
     Circuit Provider, order the Local Circuit Link and coordinate the
     installation with the Circuit Provider. In addition, the Local Circuit
     Link(s) will be in Excite@Home's name. Excite@Home will arrange for the
     Circuit Provider to install and terminate a Local Circuit Link within close
     proximity of the planned location of the iBEAM equipment. Excite@Home will
     charge iBEAM for, and iBEAM shall pay under Net 30 day terms, all one-time
     and recurring Local Circuit Link usage charges, including any inside wiring
     charges associated with extending the Local Circuit Link from the site's
     normal telco demarcation point to the iBEAM equipment location (see
     Attachment A).

          (ii)  Excite@Home requires at least sixty (60) days prior written
     notice should the iBEAM desire to move (re-terminate) the Local Circuit
     Link or upgrade the Local Circuit Link for any reason. iBEAM will be
     responsible for certain Excite@Home and Circuit Provider company fees
     relating to any move or upgrade of the Local Circuit Link, including, if
     applicable, Local Circuit Provider charges for the full committed term of
     the Local Circuit. Excite@Home is not responsible for Connectivity Services
     disruptions caused by any move or upgrade of a Local Circuit Link, provided
     that Excite@Home will make reasonable efforts to minimize Connectivity
     Services disruptions.

     (d)  Third Party Data Centers.  Co-location of iBEAM Equipment during the
initial period of this Agreement (prior to commencement of the Co-location
Services) will be provided by [*], a third party provider. iBEAM is solely
responsible for its relationship with [*] and for arranging and maintaining co-
location of iBEAM Equipment during such time.

     2.2  iBEAM Equipment and Network Security.

     Excite@Home is not responsible to iBEAM for the cost or expense of
administrative, technical, emergency and support personnel at [*] location
necessary for activities relating to the Service or iBEAM Equipment. iBEAM shall
be responsible for use access security and network access, such as control over
which users use the Services. Excite@Home is not responsible for any breaches of
security with iBEAM's Service.

     2.3  Restrictions and Acceptable Use Policy.

     iBEAM may not resell any portion of the Connectivity Services to any other
party; provided, however, that iBEAM may provide content aggregation services
for third parties by utilizing the Services to help provide such content
aggregation services. iBEAM shall be responsible for any software and content
displayed and distributed by iBEAM or iBEAM's content aggregation customers, if
any. Excite@Home's acceptable use policies apply and may, in fact, limit use by
iBEAM (and its customers). Excite@Home may terminate iBEAM's Connectivity
Services for violation of such policies (e.g. unsolicited advertising via
broadcasted e-mail). If Excite@Home becomes aware of inappropriate or illegal
use by iBEAM (or its customers, if any) of the Connectivity Services or other
networks accessed through the Connectivity Services, Excite@Home

[*]  Certain information on this page has been omitted and filed separately with
     the Commission. Confidential treatment has been requested with respect to
     the omitted portions.

                                       2
<PAGE>

may terminate Connectivity Services immediately. Excite@Home has provided the
current version of its acceptable use policies to iBEAM prior to the date of
this Agreement and shall promptly provide any future amendments thereof to
iBEAM.

     2.4  Performance.

     iBEAM agrees and acknowledges that Excite@Home does not own or control the
Local Circuit Link, [*] facilities, other networks outside of the Connectivity
Services, nor is Excite@Home responsible for performance (or non-performance)
within such networks or within non-Excite@Home operated interconnection points
between the Connectivity Services and other networks.

3.   Co-location Services.

     3.1  Provision of Services; Facility Availability.

     The parties agree and acknowledge that, as of the Effective Date,
Excite@Home plans to build out National Data Centers ("NDCs"), [*]. Commencing
on Excite@Home's completion of the NDCs, and during the remainder of the term of
this Agreement, Excite@Home will provide iBEAM with the Co-location Services
designated on Exhibit B and as more fully described herein. iBEAM will have the
right to install, and Excite@Home will cooperate to allow iBEAM to install,
iBEAM equipment within thirty (30) days of appropriate Excite@Home NDC space
becoming operational for third-party use (i.e., in either a new facility or an
expansion of an existing Excite@Home NDC that can accommodate the iBEAM
installation).

     3.2  Co-location Services.

     (a) Co-location Space.  Excite@Home shall provide to iBEAM sufficient
physical space (the "Co-location Space") within the Excite@Home NDC facilities
for iBEAM Equipment. iBEAM and Excite@Home will jointly determine appropriate
size of the Co-Location Space prior to providing to provide Co-Location
Services. Excite@Home shall decide upon the specific location and configuration
of the Co-location Space within the NDC.

     (b) Facility Services.  Excite@Home shall provide routine cleaning
services, environmental systems maintenance, power plant services at the same
level as it provides these services to other co-location customers in its NDCs
(the "Facility Services"). Excite@Home will use commercially reasonable efforts
to inform iBEAM of scheduled interruptions in the Facility Services, but cannot
guarantee that such services will be free from interruption.

     (c) Insurance.  Excite@Home shall not be responsible for any theft, loss or
damage to the co-located iBEAM Equipment, including damage caused by fire, flood
or earthquake, except that Excite@Home shall be responsible for damage to or
loss of iBEAM Equipment caused by the negligent acts or omissions of
Excite@Home, its employees, contractors, or agents. iBEAM understands that it is
responsible for any such theft, loss or damage and that Excite@Home encourages
iBEAM to insure the iBEAM Equipment against such risks.

     (d) No Sublease.  iBEAM may not assign or sublease its rights to the Co-
location Space without the prior written consent of Excite@Home.

     3.3  License Grant.

     Excite@Home hereby grants to iBEAM a license to use and occupy the Co-
location Space described in Exhibit B, for the purpose of iBEAM Equipment
interconnection and operation with

[*]  Certain information on this page has been omitted and filed separately with
     the Commission. Confidential treatment has been requested with respect to
     the omitted portions.

                                       3
<PAGE>

telecommunications and/or satellite equipment of iBEAM, Excite@Home, and/or
third parties, including Regional Bell Operating Companies and other parties
needed to implement the Co-location Services.

     3.4  Equipment.

     (a)  iBEAM Equipment.  In order to utilize the Co-location Services, iBEAM
understands that it shall be required to provide and maintain the iBEAM
Equipment.

     (b)  Treatment.  In the event of an emergency during which the iBEAM
Equipment or its condition is threatened, Excite@Home agrees to (i) take
reasonable steps to protect the iBEAM Equipment and (ii) inform iBEAM
immediately about the emergency and the protective steps taken.

     (c)  Relocation.  Upon ten (10) days prior written notice, or during an
emergency, Excite@Home may request that iBEAM relocate iBEAM Equipment, at
Excite@Home's reasonable expense, to an alternative site. However, the
alternative site shall provide technical and environmental conditions for and
accessibility to the iBEAM Equipment comparable to the existing site.
Excite@Home and iBEAM will cooperate to minimize any disruption of iBEAM's
services as a result of such relocation.

     (d)  Removal by iBEAM.  iBEAM may remove the Equipment or any system or
subsystem comprising the iBEAM Equipment at any time with sixty (60) days
written notice to Excite@Home.

     3.6  Restrictions on iBeam Service.

     iBEAM content aggregation and distribution service ("iBeam Service") is
subject to technical restrictions, and portions of the iBeam Service may be
subject to blocking if adversely affecting the Excite@Home network as determined
by Excite@Home or its distribution affiliates (e.g. adversely affecting network
traffic, security, customer care, client software, etc.). If Excite@Home or its
distribution affiliates determine that any part of the iBeam Service is
adversely affecting the Excite@Home Network, then Excite@Home may block from
user access such part or all of the Content. The parties shall then work
together to resolve the problems or issues that adversely affect the Excite@Home
network until both parties mutually agree in good faith that such portions of
the iBeam Service will no longer have an adverse effect on the Excite@Home
Network.

4.   iBEAM Obligations.

     4.1  Equipment.

     Except as otherwise agreed in writing between the parties, iBEAM will be
solely responsible for providing all iBEAM Equipment necessary for its use of
the Services.

     4.2  Permits.

     iBEAM will be responsible for securing all material permits, licenses,
regulatory approvals and authorizations, whether domestic or international
(collectively "Permits") required for iBEAM to perform its obligations under
this Agreement and to use the Services, and will take all lawful steps necessary
to maintain such Permits during the term of this Agreement.

                                       4
<PAGE>

     4.3  Export Control Regulations.

     The parties acknowledge that any services, software and technical
information (including, but not limited to, services and training) provided by
Excite@Home under this Agreement may be subject to applicable U.S. export laws
and regulations and that any use or transfer of such services, software and
technical information must be authorized under those laws and regulations. iBEAM
will not use, distribute, transfer, or transmit any such services, software or
technical information (even if incorporated into other products or services)
except in compliance with such laws and regulations. If requested by
Excite@Home, iBEAM will sign such written assurances and other export-related
documents as may be required for Excite@Home to comply with U.S. export laws and
regulations.

5.   Other Relationships.

     5.1  iBEAM Commitments.

     (a)  Content Relationships.  iBEAM will work in good faith to bring its
content relationships to Excite@Home for further mutual business advantage.

     (b)  Right of First Refusal.  iBEAM will give Excite@Home the first right
of refusal on all [*] which iBEAM requires during the term of this Agreement,
provided iBEAM does not have another contractual obligation that would prevent
it from using Excite@Home products or services. Excite@Home understands that
this right is contingent upon Excite@Home's ability to provide the appropriate
services which iBEAM requires [*] and to provide competitive pricing for the
services in question. To effectuate the foregoing right of first refusal, iBEAM
shall notify Excite@Home in writing of each [*] that iBEAM is preparing and on
which Excite@Home has a right of first refusal under this section (an "Offer"),
such notice to describe the Offer in reasonable detail (subject to any
confidentiality provisions imposed by the maker of the Offer). Excite@Home shall
have fifteen (15) business days from the date of such notice to deliver to iBEAM
a written exercise of its right of first refusal, such exercise to include in
reasonable detail the specifications of the [*] proposed by Excite@Home. If the
Excite@Home proposal is reasonably competitive in all material respects with the
Offer, including without limitation [*], iBEAM shall accept the Excite@Home
proposal. If Excite@Home's proposal is not comparable in all material respects
to the Offer, or if Excite@Home does not timely exercise its right of first
refusal with respect to any particular Offer, iBEAM may accept the Offer free
and clear of Excite@Home's right of first refusal.

     (c)  Excite@Home Services.  iBEAM will review other related Excite@Home
related products and/or services for inclusion within iBEAM's network plans.
These products and/or services include, but are not be limited to [*]. iBEAM
commits to meet with the appropriate personnel from Excite@Home by [*] to
discuss a "starter project" whereby iBEAM would be able to assess Excite@Home's
capabilities in a real world commercial setting.

[*]  Certain information on this page has been omitted and filed separately with
     the Commission. Confidential treatment has been requested with respect to
     the omitted portions.

                                       5
<PAGE>

     5.2  Excite@Home Commitments.

     (a)  iBEAM Services.  Excite@Home will review related iBEAM services for
use on the Excite.com narrowband portal and @Home broadband subscriber
businesses. These iBEAM services include, but are not be limited to, streaming
content delivery, encoding and related services. Excite@Home commits to meet
with the appropriate personnel from iBEAM by [*] to discuss a "starter project"
whereby Excite@Home would be able to assess iBEAM's capabilities in a real world
commercial setting.

     (b)  Branding.  In such cases where Excite@Home elects to source these
services from iBEAM, it will use reasonable efforts to include a "powered by
iBEAM" graphic on related content. Such efforts will be dependent on
Excite@Home's relationship and/or obligations to the specific content
provider(s).

6.   Payment

     6.1  Prepayment

     iBEAM will make a non-refundable pre-payment to Excite@Home of Two Million
Five Hundred Thousand dollars ($2,500,000) for the Services to be provided
during the term of this Agreement. Fifty percent of this amount ($1,250,000)
will be paid to Excite@Home within five (5) days of the date that iBEAM first
receives Connectivity Services. The remaining fifty percent of this amount
($1,250,000) will be paid to Excite@Home within five (5) days of the date that
iBEAM first receives Co-Location Services. This payment will be drawn down
against all Services delivered by Excite@Home and future revenue sharing
activities. If at any point during the term of this Agreement the cumulative
fees owed by iBEAM to Excite@Home exceed $2,500,000, iBEAM will pay Excite@Home
on a monthly basis to remain current. In the event that any portion of the
$2,500,000 is unused at the expiration or termination of this Agreement, the
remaining amount may be used to purchase Excite@Home Connectivity Services
within one year of such expiration or termination. After one year from the date
of such expiration or termination, any unused portions of the prepayment will be
forfeited by iBEAM.

     6.2  Connectivity Services.

     Subject to the draw-down described in Section 6.1 above, for the
Connectivity Services provided by Excite@Home hereunder, iBEAM will pay
Excite@Home the fees as set forth on the attached Exhibit A at the time and in
the amounts as set forth therein.

     6.3  Co-location Services.

     Subject to the draw-down described in Section 6.1 above, for the Co-
location Services provided by Excite@Home hereunder, iBEAM will pay Excite@Home
the revenue shares as forth on the attached Exhibit B at the time and in the
amounts set forth therein.

     6.4  Special Circumstances.

     If, after [*], appropriate NDC space is not available for iBEAM Equipment,
the payment for Connectivity Services will change from the payments described in
Exhibit A to the following, until such time as the Co-location Services
commence: Each month during such period, iBEAM will pay to Excite@Home (i) [*]%
of all revenue it receives from delivering content to Excite@Home end users, and
(ii) [*]% of all gross revenue it receives attributable to all other services
delivered to Excite@Home users (e.g., ad insertion, commerce, etc.) during the
prior month. During such period, there will be a revenue share floor of $[*] per
month for each OC-3 connection iBEAM has

[*]  Certain information on this page has been omitted and filed separately with
     the Commission. Confidential treatment has been requested with respect to
     the omitted portions.

                                       6
<PAGE>

into the Excite@Home network. iBEAM, therefore, will pay Excite@Home a monthly
fee equal to the higher of the revenue share or the floor. iBEAM and Excite@Home
agree to review foregoing revenue equations from time to time. If such a review
indicates that an equation is unfairly skewed to the material benefit of either
iBEAM or Excite@Home, the parties agree to negotiate in good faith a mutually
acceptable adjustment to such equation.

7.   Intellectual Property.

     As between iBEAM and Excite@Home, and subject only to the licenses
expressly granted by Excite@Home to iBEAM hereunder, Excite@Home retains all
right, title, and license to all intellectual property rights associated with
the Services and any technology used to provide the Services (including without
limitation, hardware, software, data, systems, and processes), including any
intellectual property developed by or on behalf of Excite@Home in the course of
providing the Services.

8.   Confidential Information

     8.1  Defined.

     "Confidential Information" of a party means all confidential or proprietary
information or materials (in any medium) of either party (including information
entrusted to it by a third party) respecting, comprising, describing, embodying
or incorporating the services, products, business and financial plans, customer
lists and software of such party to an obligation of confidence to a third
party, including in each case, any trade secrets and other proprietary ideas,
concepts, know-how, methodologies and information described in any of the
foregoing categories that are incorporated in materials produced by a party in
connection with this Agreement, and any information marked confidential,
restricted or proprietary by either party; provided, however, that the failure
of either to so mark any material shall not relieve the receiving party of the
obligation to maintain the confidentiality of any unlegended material which the
receiving party knows or should reasonably know contains Confidential
Information. The terms of this Agreement shall be considered Confidential
Information. Customer information (user data) received by Excite@Home in the
course of providing the Services shall not be considered Confidential
Information, except any portion of such data that is personally identifiable.
Information of a party will not be considered Confidential Information under
this Agreement if such information: (i) was already rightfully known by the
Receiving Party at the time it was obtained thereby, free from any obligation to
keep such information confidential; (ii) is or falls into the public domain
through no wrongful act, fault or omission by the Receiving Party; (iii) is
rightfully received by the Receiving Party from a third party without
restriction and without breach of this Agreement; or (iv) is developed by the
Receiving Party independently of and without access to or use or benefit of any
Confidential Information of the Disclosing Party.

     8.2  Obligations Regarding Confidential Information.

     During the term of this Agreement and for a period of two years after its
expiration or termination, the party (the "Receiving Party") receiving any
Confidential Information of the other

                                       7
<PAGE>

party (the "Disclosing Party") shall take reasonable steps to maintain the
security and confidentiality of such Confidential Information. The Receiving
Party further agrees as follows:

          (a)  to take reasonable steps, no less rigorous than those taken to
protect its own Confidential Information of a similar nature, to prevent any
disclosure of the Disclosing Party's Confidential Information;

          (b)  to use and reproduce the Disclosing Party's Confidential
Information only to the extent necessary to permit the Receiving Party to meet
its obligations or exercise its rights under this Agreement;

          (c)  to notify the Disclosing Party immediately if the Disclosing
Party's Confidential Information is disclosed in violation of the provisions of
this Section 8 or is otherwise lost or unaccounted for; and

          (d)  to use reasonable effort to limit disclosure of the Disclosing
Party's Confidential Information to those of the Receiving Party's affiliates,
directors, officers, employees, third party service providers, consultants,
subcontractors and contractors who have a "need to know" such information in
connection with the Receiving Party's performance of its obligations or exercise
of its rights under this Agreement; provided, however, that any such person or
entity who is not one of the Receiving Party's affiliates, directors, officers,
or employees shall have first executed a nondisclosure agreement reasonably
satisfactory to the other party governing the treatment of such information.

     8.3  Return or Destruction of Confidential Information.

     Upon the expiration or any termination of this Agreement, or upon the
request of the Disclosing Party requesting return of any tangible embodiments of
all or any portion of its Confidential Information (which the Receiving Party
does not then require to perform its obligations hereunder), the Receiving Party
shall promptly return such Confidential Information (whether in hard copy,
electronic, or any other form) and any copies thereof, or, with the Disclosing
Party's written consent, will promptly destroy it (and any copies thereof) and
will further provide the Disclosing Party with written confirmation by an
authorized representative of the Receiving Party of the destruction.

     8.4  Required Disclosure.

     Notwithstanding anything to the contrary in this Agreement, if the
Receiving Party learns that it is or may be required by applicable court order,
law or regulation to disclose any Confidential Information, then the Receiving
Party shall (i) as promptly as possible after learning of a possible disclosure
requirement, and in any case prior to making disclosure, notify the Disclosing
Party of the disclosure requirement so that the Disclosing Party may seek a
protective order or other appropriate relief, (ii) provide such cooperation and
assistance as the Disclosing Party may reasonably request in any effort by the
Disclosing Party to obtain such relief, and (iii) take all reasonable steps to
limit the amount of Confidential Information so disclosed and to protect its
confidentiality.

     8.5  Equitable Relief.

     The parties acknowledge that any disclosure or misappropriation of
Confidential Information in violation of this Agreement may cause irreparable
harm, the amount of which may

                                       8
<PAGE>

be extremely difficult to determine, thus potentially making any remedy at law
or for damages inadequate. Each party therefore agrees that the other party
shall have the right to apply to any court of competent jurisdiction for an
order restraining any breach or threatened breach of this Section 8 and for any
other equitable relief as such other party deems appropriate.

9.   Representations and Warranties.

     9.1  By Excite@Home.

     Excite@Home represents and warrants to iBEAM that:

     (a)  it has full power and authority to enter into this Agreement;

     (b)  it has not previously and will not grant any rights to any third party
that are inconsistent with the rights granted and obligations undertaken
hereunder;

     (c)  Neither Excite@Home nor its subcontractors warrant any connection to,
transmission over, nor results of, any software, network connection or
facilities or equipment provided (or failed to be provided) under this
Agreement. iBEAM is responsible for assessing its own computer and transmission
network needs, content aggregation and streaming needs and the results to be
obtained therefrom.

     (d)  Excite@Home makes no other warranties of any kind, whether express,
implied, statutory, or otherwise, including, but not limited to, the implied
warranties of merchantability, fitness for a particular purpose,
noninfringement, continuous operation of the Services, security of the Internet
connections or operation of iBEAM's equipment, or ability of any backup services
to re-establish operation of iBEAM equipment. Excite@Home does not warrant that
the Services will meet specific requirements or that the operation of the
Services will be uninterrupted or error-free.

     9.2  By iBEAM.

     iBEAM represents and warrants to Excite@Home that:

     (a)  it has full power and authority to enter into this Agreement;

     (b)  it has not previously and will not grant any rights to any third party
that are inconsistent with the rights granted and obligations undertaken
hereunder;

     (c)  iBEAM makes no other warranties of any kind, whether express, implied,
statutory, or otherwise, including, but not limited to, the implied warranties
of merchantability, fitness for a particular purpose, or noninfringement.

10.  Limitation of Liability.

     Except for liability arising out of or related to breach of Section 8
(Confidentiality) and or Section 11 (Indemnification) herein, neither party will
be liable to the other for any lost profits, or costs of procurement of
substitute goods or services, or for any indirect, special, incidental, or
consequential damages,

                                       9
<PAGE>

including, without limitation, damages for lost data, system downtime, service
interuption, inability to access data or services, however caused and under any
theory of liability, including but not limited to contract, products liability,
strict liability, and negligence, and whether or not it was or should have been
aware of, or was advised of, the possibility of such damages. In no event will
either party's liability to the other hereunder exceed the amount actually paid
by iBEAM to Excite@Home hereunder.

11.  Indemnification.

     11.1  By iBEAM.

     iBEAM will indemnify, defend and hold Excite@Home, its affiliates,
officers, directors, employees, agents, successors and assigns (each, an
"Excite@Home Indemnitee") harmless from and against any and all losses,
liabilities, damages and costs and all related costs and expenses (including
reasonable attorneys' fees) (collectively, "Losses") arising out of or relating
to:

     (a)  any claim alleging that any equipment, software or materials supplied
or made available to Excite@Home by iBEAM in connection with the Services or to
provide services to its customers ("iBEAM Materials") infringe upon the
intellectual property rights of any third party, except for any claim based
upon: (i) the combination, operation, or use of any iBEAM Materials with
equipment, devices, or software not supplied by iBEAM; or (ii) alteration or
modification of any iBEAM Materials other than by iBEAM;

     (b)  the failure by iBEAM to comply in any material respect with Applicable
Law; or

     (c)  any claim relating to or arising out of (i) any content or software
displayed, distributed or otherwise disseminated by the iBEAM and/or its
customers (including without limitation any third party content customers of
iBEAM) in any way connected to or through the Service, and/or (ii) any malicious
act or act in violation of any laws committed by iBEAM and/or its customers
using the Service, including without limitation any malicious or unlawful act
affecting any computer, network equipment or internet service.

     Excite@Home will notify iBEAM promptly in writing of the claim, provide
reasonable assistance in connection with the defense and/or settlement thereof,
and permit iBEAM to control the defense and/or settlement thereof.

     11.2  By Excite@Home.

     Excite@Home will indemnify, defend and hold iBEAM, its officers, directors,
employees, agents, successors and assigns (each, a "iBEAM Indemnitee") harmless
from and against any and all Losses arising out of or relating to:

     (a)  any claim alleging that any equipment, software or materials supplied
to iBEAM by Excite@Home ("Excite@Home Materials") infringe upon the intellectual
property rights of such third party, except for any claim based upon: (i) the
combination, operation, or use of any Excite@Home Materials with equipment,
devices, or software not supplied by Excite@Home; (ii) alteration or
modification of any Excite@Home Materials other than by Excite@Home; or (iii)
Excite@Home's compliance with iBEAM's designs, specifications, or instructions;
or

                                      10
<PAGE>

     (b)  the failure by Excite@Home to comply in any material respect with
Applicable Law.

     iBEAM will notify Excite@Home promptly in writing of the claim, provide
reasonable assistance in connection with the defense and/or settlement thereof
(at Excite@Home's expense), and permit Excite@Home to control the defense and/or
settlement thereof.

     11.3  Infringement.

     In the event that the Services, or any material portion thereof, are
determined to infringe upon the proprietary rights of a third party, Excite@Home
will, at its sole election and at its own expense: (a) obtain the right for the
iBEAM to use the infringing Services (or portion thereof) as contemplated by
this Agreement; (b) modify the Services (or portion thereof) so that they are no
longer infringing, but still substantially satisfy the requirements contained in
this Agreement; (c) substitute functionally similar Services (or portion
thereof) that are not infringing; or (d) if none of the forgoing alternatives is
available to Excite@Home at commercially reasonable terms, terminate this
Agreement and return to iBEAM all funds paid to Excite@Home pursuant to this
Agreement for which actual Services have not been provided as of the termination
date, disregarding the applicability of all minimum payment obligations of iBEAM
hereunder.

12.  Term and Termination.

     12.1  Term.

     The term of this Agreement will be for a period of [*] years from the
Effective Date unless earlier terminated in accordance with its terms.

     12.2  Termination Without Cause After [*] Years.

     Beginning [*] years after the Effective Date, this Agreement may be
terminated at any time by either party, for any reason or no reason, without
penalty or liability to the other, by delivering ten (10) days' written notice
to the other party.

     12.3  Termination for Cause.

     (a)  Either party may terminate this Agreement for cause by delivering
written notice to the other party upon the occurrence of any of the following
events: (i) a receiver is appointed for either party or its property; (ii)
either party makes a general assignment for the benefit of its creditors; (iii)
either party commences, or has commenced against it, proceedings under any
bankruptcy, insolvency or debtor's relief law which proceedings are not
dismissed within 60 days; or (iv) either party is liquidated or dissolved.

     (b)  Excite@Home may terminate this Agreement for cause by delivering
thirty (30) days' written notice to iBEAM upon a change in control of iBEAM or a
merger of iBEAM in which iBEAM is not the surviving entity. Initial or secondary
public offerings of iBEAM's stock shall not be deemed to be a change in control
of iBEAM.

     12.4  Termination for Default.

     Either party may terminate this Agreement upon written notice to the other
party if the other party defaults or fails to perform any material obligation
hereunder in any material respect, which default or failure is not cured within
thirty (30) days after written notice thereof from the non-defaulting party
stating its intention to terminate this Agreement by reason thereof.

[*]  Certain information on this page has been omitted and filed separately with
     the Commission. Confidential treatment has been requested with respect to
     the omitted portions.

                                      11
<PAGE>

     12.5  Survival.

     The rights and obligations contained in Sections 7 (Intellectual Property);
8 (Confidential Information); 10 (Limitation of Liability); 11
(Indemnification); 12.5 (Survival); and 14 (Miscellaneous) shall survive any
termination or expiration of this Agreement. In addition, iBEAM's obligations to
pay Excite@Home for Services provided by Excite@Home will survive any
termination or expiration of this Agreement.

13.  Publicity

     Subject to prior approval of both parties, the parties may issue a joint
press release regarding the relationship created by this Agreement. Excite@Home
will provide quotes for use in an iBEAM press release announcing the
relationship. iBEAM will work with Excite@Home on the specific messaging of any
press release regarding the relationship between Excite@Home and iBEAM so as to
address the potential sensitivity of Excite@Home's equity partners. iBEAM will
give Excite@Home appropriate advance warning before the actual release, and will
not issue any release or other publicity that mentions Excite@Home without the
prior approval of Excite@Home

     Excite@Home agrees that iBEAM will be the first publicly announced
streaming Content Distribution Network ("CDN") company to be hosted within
Excite@Home's NDCs. Excite@Home agrees not to announce any agreements it may
reach to collocate any other CDN provider in Excite@Home's NDCs until the
earlier of: (i) sixty (60) days after the Effective Date; or (2) thirty (30)
days after Excite@Home's announcement of its relationship with iBEAM.

14.  Miscellaneous

     14.1  Notices.

     All notices permitted or required under this Agreement must be in writing
and shall be delivered as follows with notice deemed given as indicated (i) by
personal delivery when delivered personally, (ii) by overnight courier upon
written verification of receipt, (iii) by telecopy or facsimile transmission
when confirmed by telecopier or facsimile transmission, or (iv) by certified or
registered mail, return receipt requested, five days after deposit in the mail.
All notices must be sent to the addresses first described above or to such other
address that the Receiving Party may have provided for the purpose of notice in
accordance with this Section 14.1.

     14.2  Force Majeure.

     Neither party will be liable hereunder by reason of any failure or delay in
the performance of its obligations hereunder (except for the payment of money)
on account of strikes, shortages, riots, insurrection, fires, flood, storm,
explosions, acts of God, war, governmental action, labor conditions,
earthquakes, or any other cause which is beyond the reasonable control of such
party.

     14.3  Governing Law and Venue.

     This Agreement and any disputes arising under, in connection with, or
relating to this Agreement will be governed by the laws of the State of
California, excluding its conflicts of law rules. Any proceeding brought by one
party against the other will take place in, and the parties hereby submit to the
jurisdiction of, the state and federal courts located in San Mateo County,

                                      12
<PAGE>

California. The prevailing party in any such dispute will be entitled to recover
reasonable costs of suit (including the reasonable fees of attorneys and other
professionals).

     14.4  Relationship of Parties.

     Neither this Agreement nor the parties' business relationship established
hereunder will be construed as a partnership, joint venture or agency
relationship or as granting a franchise. Neither party will attempt to, or will
have the right to, legally obligate the other party.

     14.5  Subcontractors.

     Excite@Home may provide all or part of the Services through its affiliates
or through subcontractors.

     14.6  Waiver and Modification.

     The failure of either party to require performance by the other party of
any provision hereof shall not affect the full right to require such performance
at any time thereafter; nor shall the waiver by either party of a breach of any
provision hereof be taken or held to be a waiver of the provision itself. This
Agreement may be modified only by a writing signed by authorized representatives
of both Excite@Home and iBEAM.

     14.7  Severability.

     In the event that any provision of this Agreement shall be unenforceable or
invalid under any applicable law or be so held by applicable court decision,
such unenforceability or invalidity shall not render this Agreement
unenforceable or invalid as a whole, and, in such event, such provision shall be
changed and interpreted so as to best accomplish the objectives of such
provisions within the limits of applicable law or applicable court decisions.

     14.8  Headings.

     The paragraph headings appearing in this Agreement are inserted only as a
matter of convenience and in no way define, limit, construe or describe the
scope or extent of such paragraph or in any way affect such paragraph.

     14.9  Assignment.

     This Agreement shall be binding and inure to the benefit of the parties
hereto and their respective successors and assigns. Neither party shall assign
any of its rights nor delegate any of its obligations under this Agreement to
any third party without the express written consent of the other except that
either party may assign this Agreement (i) to the surviving entity in a merger
or consolidation in which it participates or to a purchaser of all or
substantially all of its assets, so long as such surviving entity or purchaser
shall expressly assume in writing the performance of all of the terms of this
Agreement, or (ii) to any wholly owned subsidiary or affiliate. Notwithstanding
the foregoing, without Excite@Home's prior, written consent, iBEAM shall not
have the right to assign any of its rights or delegate any of its duties under
this Agreement pursuant to either subpart (i) or subpart (ii) of this Section
14.9 to a person or entity who as of the purported effective date of such
assignment is a direct competitor of Excite@Home.

     14.10  Entire Agreement.

     This Agreement, including the Exhibits attached hereto, which are
incorporated herein by reference, is the entire agreement between the parties
regarding its subject matter. It supersedes and

                                      13
<PAGE>

its terms govern, all prior proposals, agreements, or other communications
between the parties, oral or written, regarding such subject matter.

     14.11  Non-Exclusive.

     Excite@Home and iBEAM each acknowledge and agree that, except as may be
expressly agreed in writing between the parties, the rights granted to each
other in this Agreement are granted on a non-exclusive basis, and that nothing
in this Agreement prevents either party from entering into similar agreements
with third parties at any time at the sole discretion of each party.

     IN WITNESS WHEREOF, the duly authorized representatives of the parties have
executed this Agreement.

At Home Corporation                        iBEAM Broadcasting Corporation

By:                                        By:
   ---------------------------------          ----------------------------------

Title:                                     Title:
      ------------------------------             -------------------------------

Date:                                      Date:
     -------------------------------            --------------------------------

Table of Exhibits:
------------------

    Exhibit A          Connectivity Services and Pricing

    Exhibit B          Co-location Services and Pricing

    Exhibit C          iBEAM Equipment

                                      14
<PAGE>

                                   Exhibit A

               Description of Connectivity Services and Pricing

     Excite@Home will provide connectivity from iBEAM servers which reside in
third party co-location facilities to the Excite@Home network for the sole
purpose of delivering traffic to Excite@Home users. The first two connections
will be fractional OC-3s to the iBEAM equipment currently housed in [*]
facilities in [*].

     Excite@Home will offer a monthly connectivity rate of $[*]/Megabits per
second (Mbps) per month for these connections with a minimum commitment of
[*]Mbps per connection based on the average of the first six months usage (e.g.,
during the first six months of usage, iBEAM commits to $[*] in connectivity
charges excluding local loop charges). After the first six months, there will be
a monthly minimum commitment of $[*] (i.e., [*] connections x minimum [*]Mbps x
$[*]/Mbps). Excite@Home will waive its set-up fee for these lines.

     iBEAM will also be responsible for telco local loop expenses which include
a set-up fee of $[*] per connection and a monthly fee of approximately $[*] per
connection. If the iBEAM traffic at any connectivity location exceeds [*]Mbps in
any given month, the above mentioned minimum fee will be increased by $[*] for
each additional Mbps of traffic generated.

     iBEAM will be eligible for volume discounts based on the aggregate Monthly
Recurring Revenue (excluding local loop) it generates with Excite@Home. The
discount levels will be as follows:

                                  Monthly             Discount Level
          Discount Tier       Recurring Revenue        (off $[*]/Mb)
       -----------------------------------------------------------------
           Tier I                  $[*]                     [*]%
       -----------------------------------------------------------------
           Tier II                 $[*]                     [*]%
       -----------------------------------------------------------------
           Tier III                $[*]                     [*]%
       -----------------------------------------------------------------
           Tier IV               Over $[*]                  [*]%
       -----------------------------------------------------------------

     Excite@Home will determine the applicable Discount Tier for a given month
by looking at actual MRR charges from the previous month. For example: if in the
third month of the agreement, iBEAM incurs a total charges for $[*], then iBEAM
will receive a [*]% discount off of the $[*]/Mb charge in the fourth month.

     iBEAM will pay the fees outlined above from the date on which the
connection is live until the earlier of the following: (i) the one year
anniversary of the connection turn up date; or (ii) the time at which
Excite@Home has appropriate space available in its National Data Centers to
collocate iBEAM's equipment.

[*]  Certain information on this page has been omitted and filed separately with
     the Commission. Confidential treatment has been requested with respect to
     the omitted portions.

                                      15
<PAGE>

                                   Exhibit B

                Description of Co-location Services and Pricing

Co-Location Specifics:

In conjunction with the Co-Location Services, Excite@Home will provide
connectivity to the Excite@Home network for the sole purpose of delivering
traffic from the iBEAM servers located within Excite@Home NDCs to Excite@Home
users.

Pricing:

     Once Co-location Services have commenced, each month iBEAM will pay to
Excite@Home (i) [*]% of all revenue it generates from delivering content to
Excite@Home end-users, and (ii) [*]% of all gross revenue it receives
attributable to all other services to Excite@Home end users (e.g., ad insertion,
commerce, etc.) during the prior month.

     iBEAM will provide monthly reports to Excite@Home detailing the revenues
generated from traffic going to users on the Excite@Home network, the applicable
revenue share and resulting fees due Excite@Home. Excite@Home will have audit
rights.

     There will be a minimum monthly fee paid to Excite@Home for Co-Location
Services. The floor will be $[*] per month for any Co-location Services
delivered by Excite@Home during the first year of the agreement. During the
second year of this Agreement, the monthly floor for Co-Location Services will
be $[*] per month.

[*]  Certain information on this page has been omitted and filed separately with
     the Commission. Confidential treatment has been requested with respect to
     the omitted portions.

                                      16
<PAGE>

                                   Exhibit C

                                iBEAM Equipment

     The following list is iBEAM's good faith estimate of the primary pieces of
equipment it will co-locate at Excite's data centers once they are made
available by Excite. This list is subject to reasonable change based on the
nature of Excite's data centers based on changes in iBEAM's technology in the
intervening period.

[*]  Certain information on this page has been omitted and filed separately with
     the Commission. Confidential treatment has been requested with respect to
     the omitted portions.

                                      17

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