Document:

<PAGE>

                                                                    Exhibit 4.15

                              [FACE OF SECURITY]

     THE SECURITIES EVIDENCED HEREBY HAVE NOT BEEN REGISTERED UNDER THE UNITED
STATES SECURITIES ACT OF 1933 (THE "SECURITIES ACT") AND MAY NOT BE OFFERED,
SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT (A)(1) TO A PERSON WHOM THE
TRANSFEROR REASONABLY BELIEVES IS A QUALIFIED INSTITUTIONAL BUYER WITHIN THE
MEANING OF RULE 144A UNDER THE SECURITIES ACT ACQUIRING FOR ITS OWN ACCOUNT OR
FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER IN A TRANSACTION MEETING THE
REQUIREMENTS OF RULE 144A, (2) IN AN OFFSHORE TRANSACTION COMPLYING WITH RULE
903 OR RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, (3) TO AN
INSTITUTIONAL ACCREDITED INVESTOR (AS DEFINED IN RULE 501(A)(1), (2), (3) OR (7)
OF REGULATION D UNDER THE SECURITIES ACT) IN A TRANSACTION EXEMPT FROM THE
REGISTRATION REQUIREMENTS OF THE SECURITIES ACT, (4) PURSUANT TO AN EXEMPTION
FROM REGISTRATION UNDER THE SECURITIES ACT PROVIDED BY RULE 144 THEREUNDER (IF
AVAILABLE), OR (5) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE
SECURITIES ACT AND (B) IN ACCORDANCE WITH ALL APPLICABLE SECURITIES LAWS OF THE
STATES OF THE UNITED STATES AND OTHER JURISDICTIONS.

     THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE
HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A
NOMINEE THEREOF. THIS SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A
SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE
REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITARY OR A NOMINEE
THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE.

     UNLESS THIS SECURITY IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE
DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), TO THE ISSUER OR ITS
AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY SECURITY ISSUED
IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY
AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO
SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY
TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON
IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST
HEREIN.
<PAGE>

     [THE SECURITIES EVIDENCED HEREBY HAVE NOT BEEN REGISTERED UNDER THE UNITED
STATES SECURITIES ACT OF 1933 (THE "SECURITIES ACT") AND MAY NOT BE OFFERED,
SOLD OR DELIVERED IN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF,
ANY U.S. PERSON, UNLESS SUCH SECURITIES ARE REGISTERED UNDER THE SECURITIES ACT
OR AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS THEREOF IS AVAILABLE.]
<PAGE>

                          EXODUS COMMUNICATIONS, INC.

                         11 5/8% Senior Notes due 2010

CUSIP No. _______________

ISIN No.  _______________

No. ___                                                          $_____________

     Exodus Communications, Inc., a corporation duly organized and existing
under the laws of Delaware (herein called the "Issuer", which term includes any
successor Person under the Indenture hereinafter referred to), for value
received, hereby promise to pay to Cede & Co., or registered assigns, the
principal sum of _______________ Dollars (such amount the "principal amount" of
this Security), or such other principal amount (which, when taken together with
the principal amounts of all other Outstanding Securities, shall not exceed
$1,000,000,000 in the aggregate at any time ($1,100,000,000, including the
Additional Securities)) as may be set forth in the records of the Trustee as
referred to in accordance with the Indenture, on July 15, 2010 and to pay
interest thereon from July 6, 2000 or from the most recent Interest Payment Date
to which interest has been paid or duly provided for, payable in arrears
semi-annually on January 15 and July 15 in each year, commencing January 15,
2001 at the rate of 11 5/8% per annum, until the principal hereof is paid or
made available for payment. The interest so payable, and punctually paid or duly
provided for, on any Interest Payment Date will, as provided in such Indenture,
be paid to the Person in whose name this Security (or one or more Predecessor
Securities) is registered at the close of business on the Regular Record Date
for such interest, which shall be the January 1 or July 1 (whether or not a
Business Day), as the case may be, next preceding such Interest Payment Date.
Any such interest not so punctually paid or duly provided for will forthwith
cease to be payable to the Holder on the relevant Regular Record Date and may
either be paid to the Person in whose name this Security (or one or more
Predecessor Securities) is registered at the close of business on a Special
Record Date for the payment of such Defaulted Interest to be fixed by the
Trustee in accordance with Section 308 of the Indenture, notice whereof shall be
given to Holders of Securities not less than 10 days prior to such Special
Record Date, or be paid at any time in any other lawful manner not inconsistent
with the requirements of any securities exchange on which the Securities may be
listed, and upon such notice as may be required by such exchange, all as more
fully provided in said Indenture. Interest on this Security shall be computed on
the basis set forth in the Indenture.

     Payment of the principal of (and premium, if any) and any such interest on
this Security will be made at the office or agency of the Issuer in the Borough
of Manhattan, The City of New York, New York, maintained for such purpose and at
any other office or agency maintained by the Issuer for such purpose, in such
coin or currency of the United States of America as at the time of payment is
legal tender for payment of public and private debts; provided, however, that at
the option of the Issuer payment of interest may be made by check mailed to the
address of the Person entitled thereto
<PAGE>

as such address shall appear in the Security Register; provided further that all
payments of the principal (and premium, if any) and interest on Securities, the
Holders of which hold more than $5.0 million in principal amount and have given
wire transfer instructions to the Issuer or its agent at least 10 Business Days
prior to the applicable payment date, will be required to be made by wire
transfer of immediately available funds to the accounts specified by such
Holders in such instructions.

     Reference is hereby made to the further provisions of this Security set
forth on the reverse hereof, which further provisions shall for all purposes
have the same effect as if set forth at this place.

     Unless the certificate of authentication hereon has been executed by the
Trustee or Authentication Agent referred to on the reverse hereof by manual
signature, this Security shall not be entitled to any benefit under the
Indenture or be valid or obligatory for any purpose.
<PAGE>

     IN WITNESS WHEREOF, the Issuer has caused this instrument to be duly
executed.

                                 EXODUS COMMUNICATIONS, INC.

                                 By:_____________________________
                                    Name:
                                    Title:

                                 Attest:_________________________
                                     Name:
                                     Title:

CERTIFICATE OF AUTHENTICATION

This is one of the Securities referred to in the within-mentioned Indenture.

Dated: July 6, 2000

Chase Manhattan Bank and Trust Company,
National Association,
as  Authenticating Agent

By:______________________________________
      Authorized Signatory
<PAGE>

                             [REVERSE OF SECURITY]

     This Security is one of a duly authorized issue of Securities of the Issuer
designated as its 11 5/8% Senior Notes due 2010 (herein called the
"Securities"), issued and to be issued under an Indenture, dated as of July 6,
2000 (herein called the "Indenture", which term shall have the meaning assigned
to it in such instrument), among the Issuer and Chase Manhattan Bank and Trust
Company, National Association, as Trustee (herein called the "Trustee", which
term includes any successor trustee under the Indenture), to which Indenture and
all indentures supplemental thereto reference is hereby made for a statement of
the respective rights, limitations of rights, duties and immunities thereunder
of the Issuer, the Trustee and the Holders of the Securities and of the terms
upon which the Securities are, and are to be, authenticated and delivered.

     The Securities are subject to redemption, at the option of the Issuer, in
whole or in part, at any time on or after July 15, 2005 and prior to maturity,
upon not less than 30 nor more than 60 days' notice mailed to each Holder of
Securities to be redeemed at such Holder's address appearing in the Security
Register, in amounts of $1,000 or an integral multiple of $1,000, at the
following Redemption Prices (expressed as percentages of the principal amount)
plus accrued and unpaid interest and Liquidated Damages, if any, to but
excluding the Redemption Date (subject to the right of Holders of record on the
immediately preceding Record Date to receive interest due on an Interest Payment
Date that is on or prior to the Redemption Date), if redeemed during the
12-month period beginning July 15 of the years indicated below:

Year                                                                  Redemption
----
                                                                         Price
                                                                         -----

2005                                                                    105.813%
2006                                                                    103.875%
2007                                                                    101.938%
2008 and thereafter                                                     100.000%

     In addition, at any time prior to July 15, 2003, the Issuer may redeem up
to 35% of the aggregate Outstanding principal amount of the Securities with the
Net Cash Proceeds of one or more sales of Capital Stock (other than Disqualified
Stock) at a Redemption Price equal to 111.625% of the aggregate principal amount
thereof, plus accrued and unpaid interest thereon and Liquidated Damages, if
any, to the date of redemption; provided that at least 65% of the original
principal amount of the Securities remains Outstanding immediately following
such redemption. In order to effect the foregoing redemption, the Issuer must
mail a notice of redemption no later than 45 days after the related sale of
Capital Stock and must consummate such redemption within 60 days of the closing
of the sale of Capital Stock.

     The Securities do not have the benefit of any sinking fund obligations.
<PAGE>

     In the event of redemption or purchase pursuant to an Offer to Purchase of
this Security in part only, a new Security or Securities for the unredeemed or
unpurchased portion hereof will be issued in the name of the Holder hereof upon
the cancellation hereof.

     If an Event of Default shall occur and be continuing, there may be declared
due and payable the principal amount of (together with accrued and unpaid
interest on) the Securities, in the manner and with the effect provided in the
Indenture.

     The Holder of this Security (and any Person that has a beneficial interest
in this Security) is entitled to the benefits of an Exchange and Registration
Rights Agreement, dated as of July 6, 2000, and as the same may be amended from
time to time (the "Exchange and Registration Rights Agreement"), executed by the
Issuer. The Exchange and Registration Rights Agreement provides that Liquidated
Damages will be payable by the Issuer on the Securities for specified periods if
the Issuer does not comply with certain of its obligations thereunder. Issuer
agrees to pay Liquidated Damages, if any, accruing on this Security.

     The Indenture provides that, subject to certain conditions, if (i)
certain Net Cash Proceeds are available to the Issuer as a result of an Asset
Sale or (ii) a Change of Control occurs, the Issuer shall be required to make an
Offer to Purchase for all or a specified portion of the Securities.

     The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Issuer and the rights of the Holders of the Securities under the Indenture at
any time by the Issuer and the Trustee with the consent of the Holders of a
majority in aggregate principal amount of the Securities at the time
Outstanding. The Indenture also contains provisions permitting the Holders of
specified percentages in aggregate principal amount of the Securities at the
time Outstanding, on behalf of the Holders of all the Securities, to waive
compliance by the Issuer with certain provisions of the Indenture and certain
past defaults under the Indenture and its consequences. Any such consent or
waiver by the Holder of this Security shall be conclusive and binding upon such
Holder and upon all future Holders of this Security and of any Security issued
upon the registration of transfer hereof or in exchange herefor or in lieu
hereof, whether or not notation of such consent or waiver is made upon this
Security.

     As provided in and subject to the provisions of the Indenture, the Holder
of this Security shall not have the right to institute any proceeding with
respect to the Indenture or for the appointment of a receiver or trustee or for
any other remedy thereunder, unless such Holder shall have previously given the
Trustee written notice of a continuing Event of Default with respect to the
Securities, the Holders of not less than 25% in principal amount of the
Securities at the time Outstanding shall have made written request to the
Trustee to institute proceedings in respect of such Event of Default as Trustee
and offered the Trustee reasonable indemnity and the Trustee shall not have
received from the Holders of a majority in principal amount of Securities at the
time Outstanding a direction inconsistent with such request and shall have
failed to institute any such proceeding for 60 days after receipt of such
notice, request and offer of indemnity. The foregoing shall not apply to certain
suits described in the Indenture, including any suit instituted by the Holder of
this Security for the enforcement of any payment of principal hereof or any
premium or interest
<PAGE>

hereon on or after the respective due dates expressed herein (or, in the case of
redemption, on or after the Redemption Date or, in the case of any purchase of
this Security required to be made pursuant to an Offer to Purchase, on the
Purchase Date).

     No reference herein to the Indenture and no provision of this Security or
of the Indenture shall alter or impair the obligation of the Issuer, which is
absolute and unconditional, to pay the principal of (and premium, if any) and
interest on this Security at the times, place and rate, and in the coin or
currency, herein prescribed.

     As provided in the Indenture and subject to certain limitations therein set
forth, the transfer of this Security is registrable in the Security Register,
upon surrender of this Security for registration of transfer at the office or
agency of the Issuer in the Borough of Manhattan, The City of New York, duly
endorsed by, or accompanied by a written instrument of transfer in form
satisfactory to the Issuer and the Security Registrar duly executed by, the
Holder hereof or his attorney duly authorized in writing, and thereupon one or
more new Securities, of authorized denominations and for the same aggregate
principal amount, will be issued to the designated transferee or transferees.

     The Securities are issuable only in registered form without coupons in
denominations of $1,000 and any integral multiple thereof. As provided in the
Indenture and subject to certain limitations therein set forth, Securities are
exchangeable for a like aggregate principal amount of Securities of a different
authorized denomination, as requested by the Holder surrendering the same.

     No service charge shall be made for any such registration of transfer or
exchange, but the Issuer may require payment of a sum sufficient to cover any
tax or other governmental charge payable in connection therewith.

     Prior to due presentment of this Security for registration of transfer, the
Issuer, the Trustee and any agent of the Issuer or the Trustee may treat the
Person in whose name this Security is registered as the owner hereof for all
purposes, whether or not this Security be overdue, and neither the Issuer, the
Trustee nor any such agent shall be affected by notice to the contrary.

     Interest on this Security shall be computed on the basis of a 360-day year
of twelve 30-day months.

     All terms used in this Security which are defined in the Indenture shall
have the meanings assigned to them in the Indenture.

     The Indenture and this Security shall be governed by and construed in
accordance with the laws of the State of New York.
<PAGE>

                      OPTION OF HOLDER TO ELECT PURCHASE

     If you want to elect to have this Security purchased in its entirety by the
Issuer pursuant to Section 1015 or 1016 of the Indenture, check the box:

     [_]

     If you want to elect to have only a part of this Security purchased by the
Issuer pursuant to Section 1015 or 1016 of the Indenture, state the amount:

     $_____________

Dated:    Your Signature:_______________________________________________________
                         (Sign exactly as name appears on the other side of this
                          Security)

           Signature Guarantee:_________________________________________________

                                (Signature must be guaranteed by an eligible
                                Guarantor Institution (banks, stockbrokers,
                                savings and loan associations and credit unions)
                                with membership in an approved signature
                                medallion program pursuant to Securities and
                                Exchange Commission Rule 17Ad-15.)<PAGE>

                                                                    Exhibit 4.16

                              [FACE OF SECURITY]

     THE SECURITIES EVIDENCED HEREBY HAVE NOT BEEN REGISTERED UNDER THE UNITED
STATES SECURITIES ACT OF 1933 (THE "SECURITIES ACT") AND MAY NOT BE OFFERED,
SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT (A)(1) TO A PERSON WHOM THE
TRANSFEROR REASONABLY BELIEVES IS A QUALIFIED INSTITUTIONAL BUYER WITHIN THE
MEANING OF RULE 144A UNDER THE SECURITIES ACT ACQUIRING FOR ITS OWN ACCOUNT OR
FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER IN A TRANSACTION MEETING THE
REQUIREMENTS OF RULE 144A, (2) IN AN OFFSHORE TRANSACTION COMPLYING WITH RULE
903 OR RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, (3) TO AN
INSTITUTIONAL ACCREDITED INVESTOR (AS DEFINED IN RULE 501(A)(1), (2), (3) OR (7)
OF REGULATION D UNDER THE SECURITIES ACT) IN A TRANSACTION EXEMPT FROM THE
REGISTRATION REQUIREMENTS OF THE SECURITIES ACT, (4) PURSUANT TO AN EXEMPTION
FROM REGISTRATION UNDER THE SECURITIES ACT PROVIDED BY RULE 144 THEREUNDER (IF
AVAILABLE), OR (5) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE
SECURITIES ACT AND (B) IN ACCORDANCE WITH ALL APPLICABLE SECURITIES LAWS OF THE
STATES OF THE UNITED STATES AND OTHER JURISDICTIONS.

     THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE
HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A
NOMINEE THEREOF. THIS SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A
SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE
REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITARY OR A NOMINEE
THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE.

     UNLESS THIS SECURITY IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF MORGAN
GUARANTY AND TRUST OF NEW YORK, BRUSSELS OFFICE, AS OPERATOR OF EUROCLEAR AND
CEDELBANK ("MORGAN"), TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER,
EXCHANGE OR PAYMENT, AND ANY SECURITY ISSUED IS REGISTERED IN THE NAME OF CHASE
NOMINEES LIMITED OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF MORGAN (AND ANY PAYMENT IS MADE TO CHASE MANHATTAN BANK LONDON
OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF
EUROCLEAR AND CEDELBANK), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR
OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER
HEREOF, CHASE NOMINEES LIMITED, OR OTHER NOMINEE OF EUROCLEAR, HAS AN INTEREST
HEREIN.
<PAGE>

     [THE SECURITIES EVIDENCED HEREBY HAVE NOT BEEN REGISTERED UNDER THE UNITED
STATES SECURITIES ACT OF 1933 (THE "SECURITIES ACT") AND MAY NOT BE OFFERED,
SOLD OR DELIVERED IN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF,
ANY U.S. PERSON, UNLESS SUCH SECURITIES ARE REGISTERED UNDER THE SECURITIES ACT
OR AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS THEREOF IS AVAILABLE.]
<PAGE>

                          EXODUS COMMUNICATIONS, INC.

                         11 3/8% Senior Notes due 2008

ISIN No. ______________

No. ___                                                (Euro)_____________

     Exodus Communications, Inc., a corporation duly organized and existing
under the laws of Delaware (herein called the "Issuer", which term includes any
successor Person under the Indenture hereinafter referred to), for value
received, hereby promise to pay to Chase Nominees Limited, or registered
assigns, the principal sum of (Euro) ____________________ (such amount the
"principal amount" of this Security), or such other principal amount (which,
when taken together with the principal amounts of all other Outstanding
Securities, shall not exceed (Euro)200,000,000 in the aggregate at any time
((Euro)300,000,000, including the Additional Securities)) as may be set forth in
the records of the Trustee or Authentication Agent as referred to in accordance
with the Indenture, on July 15, 2008 and to pay interest thereon from July 6,
2000 or from the most recent Interest Payment Date to which interest has been
paid or duly provided for, payable in arrears semi-annually on January 15 and
July 15 in each year, commencing January 15, 2001 at the rate of 11 3/8% per
annum, until the principal hereof is paid or made available for payment. The
interest so payable, and punctually paid or duly provided for, on any Interest
Payment Date will, as provided in such Indenture, be paid to the Person in whose
name this Security (or one or more Predecessor Securities) is registered at the
close of business on the Regular Record Date for such interest, which shall be
the January 1 or July 1 (whether or not a Business Day), as the case may be,
next preceding such Interest Payment Date. Any such interest not so punctually
paid or duly provided for will forthwith cease to be payable to the Holder on
the relevant Regular Record Date and may either be paid to the Person in whose
name this Security (or one or more Predecessor Securities) is registered at the
close of business on a Special Record Date for the payment of such Defaulted
Interest to be fixed by the Trustee or Authentication Agent in accordance with
Section 308 of the Indenture, notice whereof shall be given to Holders of
Securities not less than 10 days prior to such Special Record Date, or be paid
at any time in any other lawful manner not inconsistent with the requirements of
any securities exchange on which the Securities may be listed, and upon such
notice as may be required by such exchange, all as more fully provided in said
Indenture. Interest on this Security shall be computed on the basis set forth in
the Indenture.
<PAGE>

     Payment of the principal of (and premium, if any) and any such interest on
this Security will be made at the office or agency of the Euro Paying Agent,
maintained for such purpose and at any other office or agency maintained by the
Issuer for such purpose, in Euros; provided, however, that at the option of the
Issuer payment of interest may be made by check mailed to the address of the
Person entitled thereto as such address shall appear in the Security Register;
provided further that all payments of the principal (and premium, if any) and
interest on Securities, the Holders of which hold more than (Euro) 5.0 million
in principal amount and have given wire transfer instructions to the Issuer or
its agent at least 10 Business Days prior to the applicable payment date, will
be required to be made by wire transfer of immediately available funds to the
accounts specified by such Holders in such instructions.

     Reference is hereby made to the further provisions of this Security set
forth on the reverse hereof, which further provisions shall for all purposes
have the same effect as if set forth at this place.

     Unless the certificate of authentication hereon has been executed by the
Trustee or Authentication Agent referred to on the reverse hereof by manual
signature, this Security shall not be entitled to any benefit under the
Indenture or be valid or obligatory for any purpose. 
<PAGE>
<PAGE>

     IN WITNESS WHEREOF, the Issuer has caused this instrument to be duly
executed.

                                           EXODUS COMMUNICATIONS, INC.

                                           By:__________________________________
                                              Name:
                                              Title:

                                           Attest:______________________________
                                                  Name:
                                                  Title:

CERTIFICATE OF AUTHENTICATION

This is one of the Securities referred to in the within-mentioned Indenture.

Dated: July 6, 2000

Chase Manhattan Bank London,
as Authentication Agent

By:________________________________
     Authorized Signatory
<PAGE>

                             [REVERSE OF SECURITY]

     This Security is one of a duly authorized issue of Securities of the Issuer
designated as its Denominated 11 3/8% Senior Notes due 2008 (herein called the
"Securities"), issued and to be issued under an Indenture, dated as of July 6,
2000 (herein called the "Indenture", which term shall have the meaning assigned
to it in such instrument), among the Issuer and Chase Manhattan Bank and Trust
Company, National Association, as Trustee (herein called the "Trustee", which
term includes any successor trustee under the Indenture), to which Indenture and
all indentures supplemental thereto reference is hereby made for a statement of
the respective rights, limitations of rights, duties and immunities thereunder
of the Issuer, the Trustee or Authentication Agent and the Holders of the
Securities and of the terms upon which the Securities are, and are to be,
authenticated and delivered.

     The Securities are not subject to redemption at the option of the Issuer,
in whole or in part, at any time prior to their maturity.

     The Securities do not have the benefit of any sinking fund obligations.

     In the event of purchase pursuant to an Offer to Purchase of this Security
in part only, a new Security or Securities for the unpurchased portion hereof
will be issued in the name of the Holder hereof upon the cancellation hereof.

     If an Event of Default shall occur and be continuing, there may be declared
due and payable the principal amount of (together with accrued and unpaid
interest on) the Securities, in the manner and with the effect provided in the
Indenture.

     The Holder of this Security (and any Person that has a beneficial interest
in this Security) is entitled to the benefits of an Exchange and Registration
Rights Agreement, dated as of July 6, 2000, and as the same may be amended from
time to time (the "Exchange and Registration Rights Agreement"), executed by the
Issuer.  The Exchange and Registration Rights Agreement provides that Liquidated
Damages will be payable by the Issuer on the Securities for specified periods if
the Issuer does not comply with certain of its obligations thereunder. Issuer
agrees to pay Liquidated Damages, if any, accruing on this Security.

     The Indenture provides that, subject to certain conditions, if (i) certain
Net Cash Proceeds are available to the Issuer as a result of an Asset Sale or
(ii) a Change of Control occurs, the Issuer shall be required to make an Offer
to Purchase for all or a specified portion of the Securities.

     The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Issuer and the rights of the Holders of the Securities under the Indenture at
any time by the Issuer and the Trustee or Authentication Agent with the consent
of the Holders of a majority in aggregate principal amount of the Securities at
the time Outstanding.  The Indenture also contains provisions permitting the
Holders of specified percentages in aggregate principal amount of the Securities
at the time Outstanding, on behalf of the Holders of all the Securities, to
waive compliance by the Issuer with certain provisions of the Indenture and
<PAGE>

certain past defaults under the Indenture and its consequences. Any such consent
or waiver by the Holder of this Security shall be conclusive and binding upon
such Holder and upon all future Holders of this Security and of any Security
issued upon the registration of transfer hereof or in exchange herefor or in
lieu hereof, whether or not notation of such consent or waiver is made upon this
Security.

     As provided in and subject to the provisions of the Indenture, the Holder
of this Security shall not have the right to institute any proceeding with
respect to the Indenture or for the appointment of a receiver or trustee or
authentication agent or for any other remedy thereunder, unless such Holder
shall have previously given the Trustee or Authentication Agent written notice
of a continuing Event of Default with respect to the Securities, the Holders of
not less than 25% in principal amount of the Securities at the time Outstanding
shall have made written request to the Trustee or Authentication Agent to
institute proceedings in respect of such Event of Default as Trustee or
Authentication Agent and offered the Trustee or Authentication Agent reasonable
indemnity and the Trustee or Authentication Agent shall not have received from
the Holders of a majority in principal amount of Securities at the time
Outstanding a direction inconsistent with such request and shall have failed to
institute any such proceeding for 60 days after receipt of such notice, request
and offer of indemnity. The foregoing shall not apply to certain suits described
in the Indenture, including any suit instituted by the Holder of this Security
for the enforcement of any payment of principal hereof or any premium or
interest hereon on or after the respective due dates expressed herein (or, in
the case of any purchase of this Security required to be made pursuant to an
Offer to Purchase, on the Purchase Date).

     No reference herein to the Indenture and no provision of this Security or
of the Indenture shall alter or impair the obligation of the Issuer, which is
absolute and unconditional, to pay the principal of (and premium, if any) and
interest on this Security at the times, place and rate, and in the coin or
currency, herein prescribed.

     As provided in the Indenture and subject to certain limitations therein set
forth, the transfer of this Security is registrable in the Security Register,
upon surrender of this Security for registration of transfer at the office or
agency of the Issuer in the Borough of Manhattan, The City of New York, duly
endorsed by, or accompanied by a written instrument of transfer in form
satisfactory to the Issuer and the Security Registrar duly executed by, the
Holder hereof or his attorney duly authorized in writing, and thereupon one or
more new Securities, of authorized denominations and for the same aggregate
principal amount, will be issued to the designated transferee or transferees.

     The Securities are issuable only in registered form without coupons in
denominations of (Euro)1,000 and any integral multiple thereof. As provided in
the Indenture and subject to certain limitations therein set forth, Securities
are exchangeable for a like aggregate principal amount of Securities of a
different authorized denomination, as requested by the Holder surrendering the
same.

     No service charge shall be made for any such registration of transfer or
exchange, but the Issuer may require payment of a sum sufficient to cover any
tax or other governmental charge payable in connection therewith.
<PAGE>

     Prior to due presentment of this Security for registration of transfer, the
Issuer, the Trustee or Authentication Agent and any agent of the Issuer or the
Trustee or Authentication Agent may treat the Person in whose name this Security
is registered as the owner hereof for all purposes, whether or not this Security
be overdue, and neither the Issuer, the Trustee nor Authentication Agent nor any
such agent shall be affected by notice to the contrary.

     Interest on this Security shall be computed on the basis of a 360-day year
of twelve 30-day months.

     All terms used in this Security which are defined in the Indenture shall
have the meanings assigned to them in the Indenture.

     The Indenture and this Security shall be governed by and construed in
accordance with the laws of the State of New York.
<PAGE>

                      OPTION OF HOLDER TO ELECT PURCHASE

     If you want to elect to have this Security purchased in its entirety by the
Issuer pursuant to Section 1015 or 1016 of the Indenture, check the box:

     [_]

     If you want to elect to have only a part of this Security purchased by the
Issuer pursuant to Section 1015 or 1016 of the Indenture, state the amount:

      (Euro)_____________

Dated:    Your Signature:_______________________________________________________
                         (Sign exactly as name appears on the other side of
                                this Security)

          Signature Guarantee:__________________________________________________

                              (Signature must be guaranteed by an eligible
                              Guarantor Institution (banks, stockbrokers,
                              savings and loan associations and credit unions)
                              with membership in an approved signature medallion
                              program pursuant to Securities and Exchange
                              Commission Rule 17Ad-15.)

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