Document:

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                                                                   Exhibit 10.12

                          REGISTRATION RIGHTS AGREEMENT

                          dated as of December 8, 2003

                                     between

                            GLOBAL CROSSING LIMITED,

                                       and

                                STT CROSSING LTD

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                                TABLE OF CONTENTS

                                                                            PAGE
                                                                            ----

Section 1.   Definitions.......................................................1

Section 2.   Demand Registration...............................................3

Section 3.   Piggyback Registration and Form S-3 or F-3 Registration...........5

Section 4.   Registration Procedures...........................................7

Section 5.   Registration Expenses............................................12

Section 6.   Indemnification..................................................13

Section 7.   Underwritten Registrations.......................................15

Section 8.   Rule 144A........................................................16

Section 9.   Miscellaneous....................................................16

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                                                                   Exhibit 10.12

                THIS REGISTRATION RIGHTS AGREEMENT (this "Agreement") is made
and entered into as of December [__], 2003, by and among Global Crossing Limited
(formerly GC Acquisition Ltd.), a company organized under the laws of Bermuda
(the "Company"), and STT Crossing Ltd, a company organized under the laws of
Mauritius ("Purchaser"), and each other person who becomes a Holder (as defined
below) hereunder.

                                    RECITALS

                WHEREAS, the parties hereto have entered into a Purchase
Agreement by and among Global Crossing Ltd. ("GX"), Global Crossing Holdings
Ltd., the Joint Provisional Liquidators, Singapore Technologies Telemedia Pte
Ltd ("ST Telemedia") and Hutchison Telecommunications Limited, dated August 9,
2002 (as amended, supplemented or otherwise modified from time to time, the
"Purchase Agreement"), pursuant to which, among other things, Purchaser will
acquire 6,600,000 shares of the Company's Common Stock, par value $.01 per share
(the "Common Shares"), and 18,000,000 shares of the Company's 2.0% Cumulative
Senior Convertible Preferred Stock, par value $.10 per share (the "Preferred
Shares");

                WHEREAS, to induce ST Telemedia to execute and deliver the
Purchase Agreement and consummate the transactions contemplated thereby, GX has
agreed to cause the Company to provide to Holder certain registration rights
under the Securities Act (as defined below); and

                WHEREAS, the execution and delivery of this Agreement by the
parties hereto is a condition to the closing of the transactions contemplated by
the Purchase Agreement.

                NOW, THEREFORE, in consideration of the mutual promises and
agreements set forth herein and in the Purchase Agreement, and for other
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

        Section 1.      Definitions. For purposes of this Agreement, capitalized
terms used but not defined herein shall have the meanings specified in the
Purchase Agreement. In addition, the following capitalized terms have the
following meanings:

                "Exchange Act": The United States Securities Exchange Act of
1934, as amended, or any successor federal statute, and the rules and
regulations of the SEC thereunder, all as the same shall be in effect from time
to time. Reference to a particular section of the Exchange Act shall include
reference to a comparable section, if any, of any such successor federal
statute.

                "Holder": Purchaser and its transferees to whom Purchaser agrees
to assign benefits or rights under this Agreement and who agree to be bound by
the provisions of this Agreement in accordance with Section 9(e) hereof;
provided, however, that for purposes of all provisions of this agreement insofar
as they relate to the making of any decision, determination, approval or consent
or the giving of any notice by Holder (including any such decision or notice
concerning the exercise of any rights of Holder hereunder), Holder shall mean
only Purchaser.

                "Person": Any individual, partnership, limited liability
company, joint venture, corporation, association, trust or any other entity or
organization.

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                "Prospectus": The prospectus included in any Registration
Statement (including, without limitation, a prospectus that discloses
information previously omitted from a prospectus filed as part of an effective
registration statement in reliance upon Rule 430A under the Securities Act), as
amended or supplemented by any prospectus supplement, with respect to the terms
of the offering of any portion of the Registrable Securities covered by such
Registration Statement and all other amendments and supplements to such
prospectus, including post-effective amendments, and all material incorporated
by reference or deemed to be incorporated by reference in such prospectus.

                "Registrable Securities": Common Shares, Common Shares or other
securities which Holder may acquire upon conversion of the Preferred Shares,
together with (a) any other securities which such Holder may acquire on account
of any such securities, including, without limitation, as the result of any
dividend or other distribution on Common Shares or any subdivision of such
Common Shares or in connection with any combination of shares, recapitalization,
amalgamation, merger, consolidation or reorganization or otherwise, and (b) any
additional Common Shares which such Holder has acquired prior to the date
hereof, or may acquire from time to time within the first three years after the
date hereof, whether or not such Common Shares are acquired from the Company or
any other person or entity (collectively, "Other Acquired Common Shares");
provided that a security ceases to be a Registrable Security (i) when it is no
longer a Transfer Restricted Security, or (ii) if it is an Other Acquired Common
Share which was not acquired from the Company and is transferred to a Person
that is not an affiliate (as defined in Rule 12b-2 of the Exchange Act) of
Holder.

                The number of shares of "Registrable Securities" outstanding
shall be determined by the number of Common Shares outstanding that are, and the
number of Common Shares issuable pursuant to then exercisable or convertible
securities that are, Registrable Securities.

                "Registration Statement": Any registration statement of the
Company under the Securities Act that covers any of the Registrable Securities
pursuant to the provisions of this Agreement, including the related Prospectus,
any preliminary prospectus, all amendments and supplements to such registration
statement (including post-effective amendments), all exhibits and all material
incorporated by reference or deemed to be incorporated by reference in such
registration statement.

                "Rule 144": Rule 144 promulgated under the Securities Act, and
any successor provision thereto.

                "Securities Act": The Securities Act of 1933, as amended, or any
successor federal statute, and the rules and regulations of the SEC thereunder,
all as the same shall be in effect at the time. Reference to a particular
section of the Securities Act shall include reference to the comparable section,
if any, of such successor federal statute.

                "SEC": The United States Securities and Exchange Commission and
any successor governmental entity.

                "Transfer Restricted Securities": The Registrable Securities,
until the date on which (i) such Registrable Securities are effectively
registered under the Securities Act and

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disposed of pursuant to such effective registration statement, (ii) such
Registrable Securities are sold by a Person in a transaction in which the rights
under the provisions of this Agreement are not assigned, (iii) such Registrable
Securities are sold pursuant to Rule 144 (or any similar provision then in
force, but not Rule 144A) under the Securities Act without registration under
the Securities Act, or (iv) the entire amount of the Registrable Securities may,
in the opinion of counsel satisfactory to the Company and Holder, be sold by
Holder pursuant to Rule 144 (or any successor provision then in effect) under
the Securities Act in a single sale without any limitation as to volume.

                "Underwritten Offering": A distribution, registered pursuant to
the Securities Act, in which securities of the Company are sold to the public
through one or more underwriters.

        Section 2.      Demand Registration.

                (a)     Requests for Registration. At any time commencing on or
after the date that is 180 days following the Closing Date, Holder will have the
right, by written notice delivered to the Company (a "Demand Notice"), to
require the Company to register Registrable Securities under and in accordance
with the provisions of the Securities Act (a "Demand Registration"); provided,
that, (i) Holder may not make more than four Demand Registrations, (ii) the
aggregate offering price (net of underwriters' discounts and commissions) of the
Registrable Securities requested by Holder to be so registered must exceed
$25,000,000, and (iii) Holder must provide to the Company a certificate (the
"Authorizing Certificate") signed by Holder; and provided, further, that no
Demand Notice may be given by Holder prior to six months after the effective
date of the immediately preceding Demand Registration. For purposes of the
preceding sentence, the filing of two or more Registration Statements in
response to one demand shall be counted as one Demand Registration. Each request
for a Demand Registration by Holder shall state the amount of the Registrable
Securities proposed to be sold and the intended method of disposition thereof.
The Authorizing Certificate shall set forth (A) the name of Holder signing such
Authorizing Certificate, (B) the number of Registrable Securities held by such
Holder and the number of Registrable Securities such Holder has elected to have
registered, and (C) the intended methods of disposition of the Registrable
Securities. Holder may at its option withdraw Registrable Securities from a
registration and, in such event (1) any continuing registration of Registrable
Securities shall constitute the Demand Registration to which Holder is entitled
and (2) the withdrawing Holder shall reimburse the Company for any registration
and filing fees (including any fees payable to the SEC, the National Association
of Securities Dealers, Inc. or any successor organization) it has incurred with
respect to the withdrawn Registrable Securities (unless all Registrable
Securities are withdrawn, in which case the withdrawing Holder shall reimburse
the Company for all costs and expenses incurred by it in connection with the
registration of such Registrable Securities). Subject to compliance with clause
(2) of the preceding sentence, a registration that is terminated in its entirety
prior to the effective date of the applicable Registration Statement will not
constitute a Demand Registration. Notwithstanding the foregoing, if at the time
of withdrawal, Holder has learned of a material adverse change in the condition,
business or prospects of the Company and has withdrawn the request with
reasonable promptness following disclosure by the Company, Holder shall not be
subject to clause (2) above.

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                If a Demand Registration is not declared and maintained
effective for the period required by Section 2(b) or if the consummation of the
offering of Registrable Securities pursuant to such Demand Registration (A) is
interfered with by any stop order, injunction or other order or requirement of
the SEC or other governmental agency or court for any Person which is not
directly caused by the act or omission of any Holder and such act or omission is
not thereafter eliminated or (B) the conditions specified in the underwriting
agreement with respect to an Underwritten Offering, if any, entered into in
connection with such Demand Registration are not satisfied or waived, other than
by reason of a failure by Holder, then Holder shall be entitled to an additional
Demand Registration in lieu thereof.

                (b)     Filing and Effectiveness. (i) The Company will file or,
if permitted, submit confidentially, a Registration Statement relating to any
Demand Registration as promptly as practicable (but in any event within 45 days
in the case of a registration made on Form S-1 or F-1, or a comparable successor
form, as applicable, or 30 days in the case of any registration eligible to be
made on Form S-3 or F-3 or a comparable successor form, as applicable) following
the date on which the Demand Notice is given and will use its reasonable best
efforts to cause the same to be declared effective by the SEC as soon as
practicable thereafter (the "Effectiveness Date").

                        (ii)    The Company agrees to use its reasonable best
efforts to comply with all necessary provisions of the federal securities laws
in order to keep each Registration Statement relating to a Demand Registration
effective for a period of (A) in the case of an Underwritten Offering, 120 days
from its Effectiveness Date, and (B) subject to the last proviso of this clause
(ii), in the case of any registration made pursuant to Rule 415 under the
Securities Act, twenty-four (24) months from its Effectiveness Date, or such
shorter period that will terminate when all Registrable Securities covered by
such Registration Statement have been sold pursuant to such Registration
Statement (in each case, such period being the "Effectiveness Period");
provided, however, that if any Black-Out (as hereinafter defined) occurs during
an Effectiveness Period, then such Effectiveness Period will be tolled for the
duration of the Black-Out.

                Holder will be permitted, subject to its compliance with the
provisions of Section 2(a) relating to reimbursement of the Company's expenses,
to withdraw in good faith all or part of the Registrable Securities from a
Demand Registration at any time prior to the effective date of such Demand
Registration, in which event the Company will promptly amend or, if applicable,
withdraw the related Registration Statement.

                (c)     Priority on Demand Registration. Notwithstanding the
foregoing, if the managing underwriter or underwriters of an Underwritten
Offering to which such Demand Registration relates advises the Company and
Holder in writing that the total amount of Registrable Securities that Holder,
the Company and any other Person intend to include in such Demand Registration
is in the aggregate such as to materially and adversely affect the success of
such offering, then there will be included in such Demand Registration, (i)
first, the number of securities that Holder proposes to sell pursuant to such
Demand Registration, (ii) second, to the extent that the number of securities in
clause (i) above is less than the number of securities which the Company and
Holder have been advised can be sold in such offering without having the adverse
effect referred to above, the number of securities, if any, requested to be
included in such

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offering by any other Persons pursuant to similar registration rights,
determined pro rata on the basis of the number of shares of the class being sold
owned by such other Persons requesting registration, collectively, and (iii)
third, to the extent that the number of securities in clauses (i) and (ii) above
is less than the number of securities which the Company and Holder have been
advised can be sold in such offering without having the adverse effect referred
to above, the securities, if any, sought to be included by the Company in the
offering.

                (d)     Postponement of Demand Registration. Notwithstanding
anything to the contrary in any other provision of this Agreement, the Company
will be entitled, on no more than one occasion in any 12-month period, to
postpone the filing period of any Demand Registration for a reasonable period of
time not in excess of 120 calendar days if the Board of Directors of the Company
determines, in the good faith exercise of its business judgment, and has
delivered to Holder written certification to the effect, that such registration
and offering would materially and adversely interfere with a bona fide financing
transaction of the Company, including without limitation a primary offering of
securities, or any other material business transaction of the Company, or would
require disclosure of information, the premature disclosure of which would
materially and adversely affect the Company. If the Company postpones the filing
of a Registration Statement, it will promptly notify Holder in writing when the
events or circumstances permitting such postponement have ended.

        Section 3.      Piggyback Registration and Form S-3 or F-3 Registration.

                (a)     Right to Piggyback. If, at any time following the
Closing Date, the Company proposes to file a Registration Statement, whether or
not for sale for the Company's own account or for the account of a shareholder
of the Company, on a form and in a manner that would also permit registration,
offer or sale of Registrable Securities (other than the initial public offering
of the capital stock of the Company and other than in connection with a
registration statement on Forms S-4 or F-4 or S-8 or any similar or successor
form), the Company shall each such time give to Holder holding Registrable
Securities written notice of such proposed filing at least 20 days before the
anticipated filing. The notice referred to in the preceding sentence shall (i)
describe the proposed registration and offering and (ii) offer Holder the
opportunity to register, offer or sell such amount of Registrable Securities as
Holder may request (a "Piggyback Registration"). Subject to Section 3(b), the
Company will include in each such Piggyback Registration (and any related
qualification under state blue sky laws and other compliance filings, and in any
underwriting involved therein) all Registrable Securities with respect to which
the Company has received written requests for inclusion therein within 10 days
after the written notice from the Company is given. Holder will be permitted,
subject to its compliance with the provisions of Section 2(a) relating to
reimbursement of the Company's expenses, to withdraw all or part of its
Registrable Securities from a Piggyback Registration at any time prior to the
effective date of such Piggyback Registration.

                (b)     Priority on Piggyback Registrations. The Company will
cause the managing underwriter or underwriters of a proposed Underwritten
Offering to permit Holder, if holding Registrable Securities requested to be
included in the registration for such offering, to include therein all such
Registrable Securities requested to be so included (such securities, together
with any other shares of the same class requested to be included in such
registration by any other Person pursuant to similar registration rights, the
"Piggyback Shares") on the same terms and

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conditions as any securities of the Company included therein (other than the
indemnification by Holder, which will be limited as set forth in Section 6(b)
hereof and provided, that Holder gives customary representations and
warranties). The Company shall cooperate with Holder in order to limit any
representations and warranties to, or agreements with, the Company or the
underwriters to be made by Holder only to those representations, warranties or
agreements regarding Holder, Holder's Registrable Securities and Holder's
intended method of distribution and any other representation required by law.
Notwithstanding the foregoing, if the managing underwriter or underwriters of
such Underwritten Offering advises Holder in writing to the effect that the
total amount of securities that Holder, the Company and any other Person propose
to include in such Underwritten Offering is such as to materially and adversely
affect the success of such offering, then the Company will include in such
registration:

                        (x)     in the case of a registration in connection with
        a sale of securities for the Company's own account, (i) first, 100% of
        the securities that the Company proposes to sell for its own account,
        (ii) second, to the extent that the number of securities in clause (i)
        above is less than the number of securities which the Company has been
        advised can be sold in such offering without having the adverse effect
        referred to above, the number of Piggyback Shares of Holder requested to
        be included in such offering, and (iii) third, to the extent that the
        number of securities in clauses (i) and (ii) above is less than the
        number of securities which the Company has been advised can be sold in
        such offering without having the adverse effect referred to above, the
        number of Piggyback Shares requested to be included in such offering by
        any other Persons pursuant to similar registration rights, determined
        pro rata on the basis of the number of shares of the class being sold
        owned by such other Persons requesting registration, collectively; and

                        (y)     in the case of a registration in connection with
        a sale of securities on account of any Person other than the Company or
        Purchaser (the "Initiating Party"), (i) first, 100% of the securities,
        if any, that the Initiating Party proposes to sell, (ii) second, to the
        extent that the number of securities in clause (i) above is less than
        the number of securities which the Company has been advised can be sold
        in such offering without having the adverse effect referred to above,
        the number of Piggyback Shares of Holder requested to be included in
        such offering, (iii) third, to the extent that the number of securities
        in clauses (i) and (ii) above is less than the number of securities
        which the Company has been advised can be sold in such offering without
        having the adverse effect referred to above, the number of Piggyback
        Shares requested to be included in such offering by any other Persons
        pursuant to similar registration rights, determined pro rata on the
        basis of the number of shares of the class being sold owned by such
        other Persons requesting registration, collectively, and (iv) fourth, to
        the extent that the number of securities in clauses (i) through (iii)
        above is less than the number of securities which the Company has been
        advised can be sold in such offering without having the adverse effect
        referred to above, the securities sought to be included by the Company
        in the offering.

                (c)     Form S-3 or F-3 Registration. At any time after the
Company becomes eligible to use Form S-3 or F-3 (or any successor form then in
effect), Holder may make a written request that the Company effect a
registration on Form S-3 or F-3 (or any successor form then in effect) and any
related qualification or compliance with respect to all or a part of the
Registrable Securities owned by Holder, and the Company will use its reasonable
best efforts to

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effect such registration and all such qualifications and compliances as may be
so requested and as would permit or facilitate the sale and distribution of all
or such portion of Holder's Registrable Securities as are specified in such
request; provided, however, that the Company shall not be obligated to effect
any such registration, qualification or compliance, pursuant to this Section
3(c): (i) if Form S-3 or F-3 (or any successor form then in effect), is not
available for such offering by Holder; (ii) if Holder, together with the holders
of any other securities of the Company entitled to inclusion in such
registration, propose to sell Registrable Securities and such other securities
(if any) at an aggregate price to the public (net of any underwriters' discounts
or commissions) of less than $25,000,000; (iii) if the Board of Directors of the
Company determines, in the good faith exercise of its business judgment, and has
delivered to Holder written certification to the effect, that such registration
and offering would materially and adversely interfere with a bona fide financing
transaction of the Company, including any material business transaction of the
Company, or would require disclosure of information, the premature disclosure of
which would materially and adversely affect the Company, in which event the
Company shall have the right to defer the filing of the Form S-3 or F-3
Registration Statement for a period of not more than 120 calendar days after
receipt of the request of Holder under this Section 3(c); provided, however,
that if the Company postpones the filing of a Form S-3 or F-3 Registration
Statement, it will promptly notify Holder in writing when the events or
circumstances permitting such postponement have ended; and provided, further,
that the Company will be entitled to utilize this right on no more than one
occasion in any 12-month period. An underwritten registration on Form S-3 or F-3
effected pursuant to this Section 3(c) shall be counted as a Demand Registration
for purposes of determining the number of Demand Registrations granted under
Section 2. Any other registration under this Section 3 shall not count as a
Demand Registration.

        Section 4.      Registration Procedures. In connection with the
Company's registration obligations pursuant to Sections 2 and 3, the Company
will effect such registrations to permit the sale of such Transfer Restricted
Securities in accordance with the intended method or methods of disposition
thereof, and pursuant thereto the Company will as expeditiously as possible, and
in each case to the extent applicable:

                (a)     Prepare and file with the SEC a Registration Statement
or Registration Statements on any appropriate form under the Securities Act
available for the sale of the Registrable Securities by the holders thereof in
accordance with the intended method or methods of distribution thereof, and
cause each such Registration Statement to become effective and remain effective
as provided herein; provided, however, that (i) before filing a Registration
Statement or Prospectus or any amendments or supplements thereto (including
documents that would be incorporated or deemed to be incorporated therein by
reference) the Company will furnish to Holder holding Registrable Securities
covered by such Registration Statement, not more than one counsel chosen by
Holder ("Special Counsel") and the managing underwriters, if any, copies of all
such documents proposed to be filed, which documents will be subject to the
review and comment of Holder, such Special Counsel and such underwriters, and
the Company will not file any such Registration Statement or amendment thereto
or any Prospectus or any supplement thereto (excluding such documents that, upon
filing, will be incorporated or deemed to be incorporated by reference therein)
to which Holder or the managing underwriter, if any, shall reasonably object,
and (ii) the Company shall notify the Special Counsel and each seller of

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Registrable Securities of any stop order issued or threatened by the SEC and
take all action required to prevent the entry of such stop order or to remove it
if entered.

                (b)     Prepare and file with the SEC such amendments and
post-effective amendments to each Registration Statement as may be necessary to
keep such Registration Statement continuously effective for the applicable
periods specified in Section 2; cause the related Prospectus to be supplemented
by any required Prospectus supplement, and as so supplemented to be filed
pursuant to Rule 424 (or any similar provisions then in force) under the
Securities Act; and comply with the provisions of the Securities Act with
respect to the disposition of all securities covered by such Registration
Statement during the applicable period in accordance with the intended methods
of disposition by the sellers thereof set forth in such Registration Statement
as so amended or in such Prospectus as so supplemented.

                (c)     Notify Holder and the managing underwriters, if any,
promptly, and (if requested by any such Person) confirm such notice in writing,
(i) when a Prospectus or any Prospectus supplement or post-effective amendment
has been filed, and, with respect to a Registration Statement or any
post-effective amendment, when the same has become effective, (ii) of any
request by the SEC or any other federal or state governmental authority for
amendments or supplements to a Registration Statement or related Prospectus or
for additional information, (iii) of the issuance by the SEC or any other
federal or state governmental authority of any stop order suspending the
effectiveness of a Registration Statement or the initiation of any proceedings
for that purpose, (iv) if at any time the representations and warranties of the
Company contained in any agreement contemplated by Section 4(n) (including any
underwriting agreement) cease to be true and correct in any material respect, if
and only to the extent that such representations and warranties are continuing
under such agreement or if there is a continuing Prospectus delivery
requirement, (v) of the receipt by the Company of any notification with respect
to the suspension of the qualification or exemption from qualification of any of
the Registrable Securities for sale in any jurisdiction or the initiation or
threatening of any proceeding for such purpose, (vi) of the occurrence of any
event that makes any statement made in such Registration Statement or related
Prospectus or any document incorporated or deemed to be incorporated therein by
reference untrue in any material respect or that requires the making of any
changes in a Registration Statement, Prospectus or any such document so that, in
the case of the Registration Statement, it will not contain any untrue statement
of a material fact or omit to state any material fact required to be stated
therein or necessary to make the statements therein not misleading and, in the
case of the Prospectus, it will not contain any untrue statement of a material
fact or omit to state any material fact required to be stated or necessary to
make the statements therein, in light of the circumstances under which they were
made, not misleading, and (vii) of the Company's reasonable determination that a
post-effective amendment to a Registration Statement would be appropriate.

                (d)     Use its reasonable best efforts to obtain the withdrawal
of any order suspending the effectiveness of a Registration Statement, or the
lifting of any suspension of the qualification (or exemption from qualification)
of any of the Registrable Securities for sale in any jurisdiction, at the
earliest possible moment.

                (e)     If requested by the managing underwriters, if any, or
Holder, (i) promptly incorporate in a Prospectus supplement or post-effective
amendment such information as the

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managing underwriters, if any, and Holder agrees should be included therein as
may be required by applicable law and (ii) make all required filings of such
Prospectus supplement or such post-effective amendment as soon as practicable
after the Company has received notification of the matters to be incorporated in
such Prospectus supplement or post-effective amendment; provided, however, that
the Company will not be required to take any actions under this Section 4(e)
that are not, in the opinion of counsel for the Company, in compliance with
applicable law.

                (f)     Furnish to Holder and each managing underwriter, if any,
without charge, at least one conformed copy of the Registration Statement and
any post-effective amendment thereto (but excluding schedules, all documents
incorporated or deemed incorporated therein by reference and all exhibits,
unless requested in writing by Holder or underwriter).

                (g)     Deliver to Holder and the underwriters, if any, without
charge as many copies of the Prospectus or Prospectuses relating to such
Registrable Securities (including each preliminary prospectus) and any amendment
or supplement thereto as such persons may reasonably request; and, subject to
the last paragraph of this Section 4, the Company hereby consents to the use of
such Prospectus or each amendment or supplement thereto by selling Holder and
the underwriters, if any, in connection with the offering and sale of the
Registrable Securities covered by such Prospectus or any amendment or supplement
thereto.

                (h)     Prior to any public offering of Registrable Securities,
to register or qualify or cooperate with Holder, the underwriters, if any, and
their respective counsel in connection with the registration or qualification
(or exemption from such registration or qualification) of such Registrable
Securities for offer and sale under the securities or blue sky laws of such
jurisdictions within the United States as any seller or underwriter reasonably
requests in writing; use all reasonable efforts to keep such registration or
qualification (or exemption therefrom) effective during the period the
applicable Registration Statement is required to be kept effective and do any
and all other acts or things necessary or advisable to enable the disposition in
each such jurisdiction of the Registrable Securities covered by the applicable
Registration Statement; provided, however, that the Company will not be required
to (i) qualify to do business in any jurisdiction where it is not then so
qualified or (ii) take any action that would subject it to taxation or service
of process in any such jurisdiction where it is not then so subject.

                (i)     Cooperate with Holder and the managing underwriters, if
any, to facilitate the timely preparation and delivery of certificates
representing Registrable Securities to be sold and enable such Registrable
Securities to be in such denominations and registered in such names as the
managing underwriters, if any, shall request at least two business days prior to
any sale of Registrable Securities to the underwriters.

                (j)     Use its reasonable best efforts to cause the Registrable
Securities covered by the applicable Registration Statement to be registered
with or approved by such other governmental agencies or authorities within the
United States except as may be required solely as a consequence of the nature of
Holder's business, in which case the Company will cooperate in all reasonable
respects with the filing of such Registration Statement and the granting of such
approvals as may be necessary to enable the seller or sellers thereof or the
underwriters, if any, to consummate the disposition of such Registrable
Securities.

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                (k)     Upon the occurrence of any event contemplated by Section
4(c)(vi) or 4(c)(vii), prepare a supplement or post-effective amendment to each
Registration Statement or a supplement to the related Prospectus or any document
incorporated therein by reference or file any other required document so that,
as thereafter delivered to the purchasers of the Registrable Securities being
sold thereunder, such Prospectus will not contain an untrue statement of a
material fact or omit to state a material fact required to be stated therein or
necessary to make the statements therein, in light of the circumstances under
which they were made, not misleading.

                (l)     Cause all Registrable Securities covered by such
Registration Statement to be listed on each securities exchange, if any, on
which securities issued by the Company of the same class are then listed or, if
no such securities issued by the Company are then so listed, on the New York
Stock Exchange or another national securities exchange if the securities qualify
to be so listed.

                (m)     As needed, (i) engage an appropriate transfer agent and
provide the transfer agent with printed certificates for the Registrable
Securities in a form eligible for deposit with The Depository Trust Company and
(ii) provide a CUSIP number for the Registrable Securities.

                (n)     Enter into such customary agreements (including, in the
event of an Underwritten Offering, an underwriting agreement in form, scope and
substance as is customary in underwritten offerings) and take all such other
commercially reasonable and customary actions in connection therewith (including
those reasonably requested by Holder or, in the event of an Underwritten
Offering, those reasonably requested by the managing underwriters) in order to
facilitate the disposition of such Registrable Securities and in such
connection, but only where an underwriting agreement is entered into in
connection with an Underwritten Offering: (i) make such representations and
warranties to the underwriters with respect to the businesses of the Company and
its subsidiaries, the Registration Statement, Prospectus and documents
incorporated by reference or deemed incorporated by reference therein, if any,
in each case, in form, substance and scope as are customarily made by issuers to
underwriters in underwritten offerings and confirm the same if and when
requested; (ii) obtain opinions of counsel to the Company and updates thereof,
which counsel and opinions (in form, scope and substance) shall be reasonably
satisfactory to the managing underwriters, if any, addressed to each of the
underwriters covering the matters customarily covered in opinions requested in
underwritten offerings and such other matters as may be reasonably requested by
such underwriters; (iii) obtain "comfort" letters and updates thereof from the
independent certified public accountants of the Company (and, if necessary, any
other certified public accountants of any subsidiary of the Company or of any
business acquired by the Company for which financial statements and financial
data is, or is required to be, included in the Registration Statement),
addressed to each of the underwriters, such letters to be in customary form and
covering matters of the type customarily covered in "comfort" letters in
connection with underwritten offerings; (iv) cause the Company's management to
be made available for, and assist in, the marketing and disposition of such
Registrable Securities in the manner and to the extent reasonably requested by
the underwriters including, without limitation, participation by management in
customary road shows, investor conferences and other similar presentations; and
(v) deliver such documents and certificates as may be reasonably requested by
the managing underwriters, if any, to evidence the continued validity of the
representations and warranties of the Company and its subsidiaries made pursuant
to clause (i) above and to evidence compliance with any customary conditions

                                       10

<PAGE>

contained in the underwriting agreement entered into by the Company. The
foregoing actions will be taken in connection with each closing under such
underwriting agreement as and to the extent required thereunder.

                (o)     Make available for reasonable inspection during normal
business hours by a representative of Holder holding Registrable Securities
being sold, any underwriter participating in any disposition of Registrable
Securities, and any attorney, accountant or other agent retained by Holder or
representatives or any underwriter (each, an "Inspector"), all financial and
other records, pertinent corporate documents and properties of the Company and
its subsidiaries, and cause the officers, directors and employees of the Company
and its subsidiaries to supply all information reasonably requested by any such
Inspector in connection with such Registration Statement; provided, however,
that any records, information or documents that are designated in good faith by
the Company in writing as confidential at the time of delivery of such records,
information or documents will be kept confidential by such Persons unless (i)
such records, information or documents are in the public domain or otherwise
publicly available, (ii) disclosure of such records, information or documents is
required by court or administrative order; provided, that Holder notifies the
Company of any such requirement and cooperates with the Company in seeking a
protective or restraining order limiting such disclosure, or (iii) disclosure of
such records, information or documents, in the reasonable opinion of counsel to
such Person, is otherwise required by law (including, without limitation,
pursuant to the requirements of the Securities Act).

                (p)     Comply with all applicable rules and regulations of the
SEC and make generally available to its security holders earnings statements
satisfying the provisions of Section 11(a) of the Securities Act and Rule 158
thereunder (or any similar rule promulgated under the Securities Act) no later
than 45 calendar days after the end of any 12-month period (or 90 calendar days
after the end of any 12-month period if such period is a fiscal year) (i)
commencing at the end of any fiscal quarter in which Registrable Securities are
sold to underwriters in a firm commitment or best efforts Underwritten Offering,
or (ii) if not sold to underwriters in such an offering, commencing on the first
day of the first fiscal quarter of the Company, after the effective date of a
Registration Statement, which statements shall cover such 12-month period.

                (q)     The Company shall keep Special Counsel advised as to the
initiation and progress of any registration under Section 2 or Section 3
hereunder.

                (r)     The Company shall cooperate with each seller of
Registrable Securities and each underwriter participating in the disposition of
such Registrable Securities and their respective counsel in connection with any
filings required to be made with the New York Stock Exchange or such other stock
exchanges or markets in which securities of the Company are listed or quoted.

                (s)     The Company shall take all other steps reasonably
necessary to effect the registration of the Registrable Securities contemplated
hereby.

                The Company may require each seller of Registrable Securities as
to which any registration is being effected to furnish to the Company such
information regarding such seller

                                       11

<PAGE>

and the distribution of such Registrable Securities as the Company may, from
time to time, reasonably request in writing, and the Company may exclude from
such registration the Registrable Securities of any seller who unreasonably
fails to furnish such information within a reasonable time after receiving such
request.

                Holder will be deemed to have agreed by virtue of its
acquisition of Registrable Securities that, upon receipt of any notice from the
Company of the occurrence of any event of the kind described in Section
4(c)(ii), 4(c)(iii), 4(c)(v), 4(c)(vi) or 4(c)(vii) ("Suspension Notice"),
Holder will forthwith discontinue disposition of such Registrable Securities
covered by such Registration Statement or Prospectus (a "Black-Out") until such
Holder's receipt of the copies of the supplemented or amended Prospectus
contemplated by Section 4(k), or until it is advised in writing (the "Advice")
by the Company that the use of the applicable Prospectus may be resumed, and
Holder has received copies of any additional or supplemental filings that are
incorporated or deemed to be incorporated by reference in such Prospectus.
Except as expressly provided herein, there shall be no limitation with regard to
the number of Suspension Notices that the Company is entitled to give hereunder;
provided, however, that in no event shall the aggregate number of days Holder is
subject to Black-Out during any period of 12 consecutive months exceed 180 days.

        Section 5.      Registration Expenses. Except as provided in Section
2(a), all fees and expenses incurred in connection with registrations, filings
or qualifications pursuant to this Agreement by the Company will be borne by the
Company whether or not any of the Registration Statements become effective. Such
fees and expenses will include, without limitation, (i) all registration and
filing fees (including fees and expenses for compliance with federal or state
securities laws or state "blue sky" laws, and including all registration and
filing fees payable to the Securities and Exchange Commission and any applicable
stock exchanges or markets), (ii) printing expenses (including, without
limitation, expenses of printing certificates for Registrable Securities in a
form eligible for deposit with The Depository Trust Company and of printing a
reasonable number of prospectuses if the printing of such prospectuses is
requested by Holder), (iii) messenger, telephone and delivery expenses incurred
by the Company, (iv) fees and disbursements of counsel for the Company incurred
by the Company, (v) fees and disbursements and other charges and expenses of all
independent certified public accountants referred to in Section 4(n)(iii)
(including the expenses of any special audit and "comfort" letter required by or
incident to such performance) incurred by the Company, and (vi) reasonable fees
and expenses per Registration Statement for Special Counsel of Holder in
connection with the registration and sale of Registrable Securities of up to
$75,000 in the aggregate; and (vii) any liability insurance or other premiums
for insurance obtained in connection with any Demand Registration, Piggy-back
Registration or registration on Form S-3 or F-3 pursuant to the provisions set
forth in this Agreement, regardless of whether the relevant Registration
Statement is declared effective. In addition, the Company will pay internal
expenses (including, without limitation, all salaries and expenses of its
officers and employees performing legal or accounting duties), the expense of
any annual audit, the fees and expenses incurred in connection with the listing
of the securities to be registered on any securities exchange on which
securities of the same class issued by the Company are then listed or for
admission of any securities for quotation or an inter-dealer quotation system,
as applied and the fees and expenses of any Person, including special experts,
retained by the Company. In no event, however, will the Company be responsible
for any underwriting discount or selling commission with respect to any sale of

                                       12

<PAGE>

Registrable Securities pursuant to this Agreement, and Holder shall be
responsible for any taxes of any kind (including, without limitation, transfer
taxes) with respect to any disposition, sale or transfer of Registrable
Securities and for any legal, accounting and other expenses incurred by it,
except as provided above with respect to Special Counsel, in connection with any
Registration Statement.

        Section 6.      Indemnification.

                (a)     Indemnification by the Company. The Company will
indemnify and hold harmless, to the fullest extent permitted by law, Holder, its
partners, officers, directors, Affiliates and agents and employees, each Person
who controls Holder (within the meaning of Section 15 of the Securities Act or
Section 20 of the Exchange Act) and the officers, directors, agents and
employees of any such controlling person, from and against all losses, claims,
damages, liabilities, costs (including without limitation the costs of
investigation and attorneys' fees) and disbursements and other expenses
(collectively, "Losses"), arising out of or based upon any untrue or alleged
untrue statement of a material fact contained in any Registration Statement,
Prospectus or form of Prospectus or in any amendment or supplement thereto or in
any preliminary prospectus, or arising out of or based upon any omission or
alleged omission to state therein a material fact required to be stated therein
or necessary to make the statements therein not misleading, except insofar and
to the extent as (i) the same are based upon information furnished in writing to
the Company by Holder specifically for use therein or any violation or alleged
violation by the Company of the Securities Act, the Exchange Act, or any other
securities or other law of any jurisdiction, common law or otherwise, or any
rule or regulation promulgated under the Securities Act, the Exchange Act or any
such other laws, in connection with any offering of Registrable Securities
pursuant to a Registration Statement or Prospectus, or (ii) any such Losses are
suffered by a person under the circumstance where it shall have been determined
by a court of competent jurisdiction that (w) the Holder had previously been
with furnished copies of a final or amended Prospectus, (x) delivery of a final
or amended Prospectus was required by the Securities Act to be made to such
person, (y) the untrue statement or omission of a material fact was corrected in
the final or amended Prospectus and (z) there was not sent or given to such
person, at or prior to the written confirmation of the sale of such Registrable
Securities to such person, a copy of the final or amended Prospectus.

                (b)     Indemnification by Holder. In connection with any
Registration Statement in which Holder is participating, Holder will furnish to
the Company in writing such information as the Company reasonably requests for
use in connection with any Registration Statement, Prospectus or preliminary
prospectus and will indemnify and hold harmless, to the fullest extent permitted
by law, the Company, its directors and officers, agents and employees, each
person who controls the Company (within the meaning of Section 15 of the
Securities Act and Section 20 of the Exchange Act), and the directors, officers,
agents or employees of such controlling persons, from and against all Losses
arising out of or based upon any untrue statement of a material fact contained
in any Registration Statement, Prospectus or preliminary prospectus or arising
out of or based upon any omission of a material fact required to be stated
therein or necessary to make the statements therein not misleading, to the
extent, but only to the extent, that such untrue statement or omission is
contained in any information so furnished in writing by Holder to the Company
specifically for use in such Registration Statement, Prospectus or preliminary
prospectus and was relied upon by the Company in the preparation of such

                                       13

<PAGE>

Registration Statement, Prospectus or preliminary prospectus. In no event will
the liability of selling Holder hereunder be greater in amount than the dollar
amount of the proceeds received by Holder upon the sale of the Registrable
Securities giving rise to such indemnification obligation.

                (c)     Conduct of Indemnification Proceedings. If any person
shall become entitled to indemnity hereunder (an "indemnified party"), such
indemnified party shall give prompt notice to the party from which such
indemnity is sought (the "indemnifying party") of any claim or of the
commencement of any action or proceeding with respect to which such indemnified
party seeks indemnification or contribution pursuant hereto; provided, however,
that the failure to so notify the indemnifying party will not relieve the
indemnifying party from any obligation or liability except to the extent that
the indemnifying party has been prejudiced materially by such failure. In case
any such action is brought against an indemnified party, the indemnifying party
shall be entitled to participate in and to assume the defense thereof, jointly
with any other indemnifying party similarly notified to the extent that it may
wish, with counsel reasonably satisfactory to such indemnified party, and after
notice from the indemnifying party to such indemnified party of its election so
to assume the defense thereof, the indemnifying party shall not be liable to
such indemnified party for any legal or other expenses subsequently incurred by
the latter in connection with the defense thereof other than reasonable costs of
investigation; provided that the indemnified party may participate in such
defense at the indemnified party's expense; and provided, further that the
indemnified party or indemnified parties shall have the right to employ one
counsel to represent it or them if, in the reasonable judgment of the legal
counsel of the indemnified party or indemnified parties, it is advisable for it
or them to be represented by separate counsel by reason of having different or
additional legal defenses (which in either case are material) from those
available to the indemnifying party, and in that event the reasonable fees and
expenses of such one counsel shall be paid by the indemnifying party. All
reasonable fees and third party expenses subject to indemnification hereunder
(including any reasonable fees and expenses incurred in connection with
investigating or preparing to defend such action or proceeding) will be paid to
the indemnified party (provided appropriate documentation for such expenses is
also submitted with such notice), as incurred, within five calendar days of
written notice thereof to the indemnifying party (regardless of whether it is
ultimately determined that an indemnified party is not entitled to
indemnification hereunder; provided, however that the indemnified party will be
required to repay to the indemnifying party any amounts paid to it for which it
is determined the indemnified party was not otherwise entitled within five
calendar days of such determination). The indemnifying party will not consent to
entry of any judgment or enter into any settlement or otherwise seek to
terminate any action or proceeding in which any indemnified party is or could be
a party and as to which indemnification or contribution could be sought by such
indemnified party under this Section 6, without the consent of the indemnified
party, unless such judgment, settlement or other termination includes as an
unconditional term thereof the giving by the claimant or plaintiff to such
indemnified party of a release, in form and substance reasonably satisfactory to
the indemnified party, from all liability in respect of such claim or litigation
for which such indemnified party would be entitled to indemnification hereunder.

                (d)     Contribution. If the indemnification provided for in
this Section 6 is unavailable to an indemnified party under Section 6(a) or 6(b)
in respect of any Losses or is insufficient to hold such indemnified party
harmless, then each applicable indemnifying party, in lieu of indemnifying such
indemnified party, will, severally but not jointly, contribute to the

                                       14

<PAGE>

amount paid or payable by such indemnified party as a result of such Losses, in
such proportion as is appropriate to reflect the relative fault of the
indemnifying party or indemnifying parties, on the one hand, and such
indemnified party, on the other hand, in connection with the actions, statements
or omissions that resulted in such Losses as well as any other relevant
equitable considerations. The relative fault of such indemnifying party or
indemnifying parties, on the one hand, and such indemnified party, on the other
hand, will be determined by reference to, among other things, whether any action
in question, including any untrue or alleged untrue statement of a material fact
or omission or alleged omission of a material fact, has been taken or made by,
or related to information supplied by, such indemnifying party or indemnified
party, and the parties' relative intent, knowledge, access to information and
opportunity to correct or prevent such action, statement or omission. The amount
paid or payable by a party as a result of any Losses will be deemed to include
any legal or other fees or expenses incurred by such party in connection with
any action or proceeding.

                The parties hereto agree that it would not be just and equitable
if contribution pursuant to this Section 6(d) were determined by pro rata
allocation or by any other method of allocation that does not take into account
the equitable considerations referred to in the immediately preceding paragraph.
Notwithstanding the provisions of this Section 6(d), Holder will not be required
to contribute any amount in excess of the amount by which the total price at
which the Registrable Securities sold by Holder and distributed to the public
were offered to the public exceeds the amount of any damages Holder has
otherwise been required to pay by reason of such untrue or alleged untrue
statement or omission or alleged omission. No person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act)
will be entitled to contribution from any person who was not guilty of such
fraudulent misrepresentation.

                The indemnity, contribution and expense reimbursement
obligations of the Company hereunder will be in addition to any liability the
Company may otherwise have hereunder or otherwise. The provisions of this
Section 6 will survive so long as Registrable Securities remain outstanding,
notwithstanding any permitted transfer of the Registrable Securities by Holder
or any termination of this Agreement.

        Section 7.      Underwritten Registrations. If any of the Registrable
Securities included in any Demand Registration are to be sold in an Underwritten
Offering, Holder may select an investment banking firm or firms of international
reputation to manage the Underwritten Offering, provided that such investment
banker or bankers is (are) reasonably acceptable to the Company. The Company and
Holder agree that, in connection with any Underwritten Offering hereunder, the
relevant registration shall be in a firm commitment underwritten offering and
they shall each undertake to offer customary indemnification, representations
and warranties to the participating underwriters and to agree to any
restrictions required by the underwriters on the sale of Common Shares or other
securities by such party after the completion of the Underwritten Offering;
provided, however, that the restriction so imposed on Holder shall be no more
onerous than the restrictions imposed on any other holder of securities included
in such offering; and provided, further that the Company shall not be required
to agree to (i) restrictions with respect to the issuance of equity incentives
to employees, the issuance of securities on exercise of outstanding warrants or
convertible securities, the issuance of securities in connection with a merger,
amalgamation, acquisition, joint venture or other strategic transaction, or (ii)
any restrictions that extend beyond the restrictions imposed on Holder for a
term of ninety (90) days

                                       15

<PAGE>

(one hundred eighty (180) days for an initial public offering) from the
effective date of the applicable Registration Statement.

        Section 8.      Rule 144A. The Company hereby agrees with Holder, for so
long as any Transfer Restricted Securities remain outstanding and during any
period in which the Company is not subject to Section 13 or 15(d) of the
Exchange Act, to make available, upon request of Holder of Transfer Restricted
Securities, to Holder or any beneficial owner of Transfer Restricted Securities
in connection with any sale thereof and any prospective purchaser of such
Transfer Restricted Securities designated by Holder or any beneficial owner, the
information required by Rule 144A(d)(4) under the Securities Act in order to
permit resales of such Transfer Restricted Securities pursuant to Rule 144A. In
addition, the Company agrees to: (a) file with the SEC in a timely manner all
reports and other documents required of the Company under the Securities Act and
the Exchange Act, and (b) furnish to Holder forthwith upon request a written
statement by the Company that it has compiled with the Reporting Requirements of
Rule 144, the Securities Act and the Exchange Act, or that it qualified as a
registrant whose securities may be resold pursuant to Form S-3 or F-3 (at any
time after it so qualifies).

        Section 9.      Miscellaneous.

                (a)     Remedies. In the event of a breach by a party of its
obligations under this Agreement, each other party, in addition to being
entitled to exercise all rights granted by law, including recovery of damages,
will be entitled to specific performance of its rights under this Agreement.
Each party agrees that monetary damages would not be adequate compensation for
any loss incurred by reason of a breach by it of any provision of this Agreement
and hereby further agrees that, in the event of any action for specific
performance in respect of such breach, it will waive the defense that a remedy
at law would be adequate.

                (b)     Amendments and Waivers. The provisions of this Agreement
may not be amended, modified or supplemented without the prior written consent
of the Company and Purchaser.

                (c)     Notices. Except as otherwise expressly provided in this
Agreement, all notices, requests and other communications to Purchaser or the
Company shall be in writing (including a facsimile or similar writing) and shall
be given to such party at the following addresses or facsimile numbers, as
applicable:

        If to the Company to:

                200 Park Avenue
                Florham Park, NJ  07932
                Telecopy: (973) 360-0538
                Attention: Legal Department

        If to Purchaser to:

                c/o Singapore Technologies Telemedia Pte Ltd
                51 Cuppage Road
                #10-11/17, StarHub Centre

                                       16

<PAGE>

                Singapore 229469
                Telecopy: (65) 6720-7277
                Attention: General Counsel/Chief Legal Officer

        with a copy to:

                Latham & Watkins
                80 Raffles Place
                #14-20 UOB Plaza 2
                Singapore 048624
                Telecopy: (65) 6536-1171
                Attention: Michael W. Sturrock

        Each notice, request or other communication to Purchaser or the Company
shall be effective (i) if given by facsimile, at the time such facsimile is
transmitted and the appropriate confirmation is received (or, if such time is
not during a Business Day, at the beginning of the following Business Day), (ii)
if given by mail, three Business Days or, if to an address outside the United
States, seven calendar days, after such communication is deposited in the mails
with first-class postage prepaid or (iii) if given by any other means, when
delivered at the applicable address specified above. Any party hereto may change
address by reasonable prior written notice to each other party hereto.

                (d)     Merger, Amalgamation, Consolidation, Etc. of the
Company. If the Company is a party to any merger, amalgamation, consolidation,
recapitalization, reorganization or otherwise pursuant to which the Registrable
Securities are converted into or exchanged for securities or the right to
receive securities of any other person ("Conversion Securities"), the issuer of
such Conversion Securities shall assume (in a writing delivered to all Holders)
all obligations of the Company hereunder. The Company will not effect any
merger, amalgamation, consolidation, recapitalization, reorganization or
otherwise described in the immediately preceding sentence unless the issuer of
the Conversion Securities complies with this Section 9(d).

                (e)     Successors and Assigns. Subject to the terms and
conditions of the Purchase Agreement and the memorandum of association and
bye-laws of the Company, any lawful transferee of all or a portion of the
Registrable Securities or of the Preferred Shares or any other securities
convertible into or exercisable or exchangeable for the Registrable Securities,
whether or not such acquisition or conversion has actually been effected, who
has been assigned benefits or rights under this Agreement by Purchaser shall
become a Holder hereunder to the extent it agrees in writing to be bound by all
of the provisions applicable hereunder to the transferring Holder (such
acknowledgment being evidenced by execution and delivery to the Company of a
Counterpart and Acknowledgment substantially in the form of Exhibit A). Subject
to the requirements of this Section 9(e), this Agreement shall inure to the
benefit of and be binding upon the successors and permitted assigns of the
parties hereto.

                (f)     Counterparts. This Agreement may be executed in any
number of counterparts, each of which shall be an original, but all of which
together shall constitute one instrument.

                                       17

<PAGE>

                (g)     Headings. The headings of the sections and subsections
of this Agreement are for convenience of reference only and are not to be
considered in construing this Agreement.

                (h)     Governing Law. This Agreement shall be governed by and
construed in accordance with the laws of the State of New York without giving
effect to the principles of conflicts of law, other than the choice of law
principles of such state.

                (i)     Severability. In case any provision of this Agreement
shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or
impaired thereby.

                (j)     Entire Agreement. This Agreement and the other documents
delivered pursuant hereto and the Purchase Agreement constitute the full and
entire understanding and agreement between the parties with regard to the
subjects thereto and no party shall be liable or bound to any other in any
manner by any representations, warranties, covenants and agreements except as
specifically set forth herein and therein.

                (k)     Submission to Jurisdiction. With respect to any
proceedings, claim or suit arising under or relating to this Agreement, each
party hereto expressly agrees to submit hereby to the non-exclusive jurisdiction
of the Federal and state courts located in the Borough of Manhattan in New York
City. Each party hereby irrevocably waives, and agrees not to assert, by way of
motion, as a defense, counterclaim or otherwise, in any action or proceeding
with respect to this Agreement, the defense of sovereign immunity, any claim
that it is not personally subject to the jurisdiction of the above-named courts
for any reason other than the failure to serve process in accordance with this
Section 9, that it or its property is exempt or immune from jurisdiction of any
such court or from any legal process commenced in such courts (whether through
service of notice, attachment prior to judgment, attachment in aid of execution
of judgment, execution of judgment or otherwise), and to the fullest extent
permitted by applicable law, that the suit, action or proceeding in any such
court is brought in an inconvenient forum, that the venue of such suit, action
or proceeding is improper, or that this Agreement, or the subject matter hereof
or thereof, may not be enforced in or by such courts and further irrevocably
waives, to the fullest extent permitted by applicable law, the benefit of any
defense that would hinder, fetter or delay the levy, execution or collection of
any amount to which the party is entitled pursuant to the final judgment of any
court having jurisdiction. Each party further agrees that service of process
mailed by prepaid registered first class mail at its principal office shall be
deemed in every respect effective service of process upon such party, as
applicable, in any suit or proceeding. Nothing herein shall affect the right of
the Company or Purchaser to serve process in any other matter permitted by law.

                (l)     No Interpretation Against Drafter. This Agreement is the
product of negotiations among the parties hereto represented by counsel and any
rules of construction relating to interpretation against the drafter of an
agreement shall not apply to this Agreement and are expressly waived.

                            [Signature Page Follows]

                                       18

<PAGE>

        IN WITNESS WHEREOF, the parties have executed this Agreement as of the
date first written above.

                                        GLOBAL CROSSING LIMITED

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

                                        STT CROSSING LTD

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

                                       S-1

<PAGE>

                                                                       EXHIBIT A

                          REGISTRATION RIGHTS AGREEMENT
                         COUNTERPART AND ACKNOWLEDGMENT

TO:     The Company

RE:     The Registration Rights Agreement (the "Agreement") dated as of
        _____________, 2003, by and between the Company and Holder (as defined
        in the Agreement)

        The undersigned hereby agrees to be bound by the terms of the Agreement
as a party to the Agreement, and shall be entitled to all benefits of Holder (as
defined in the Agreement) and shall be subject to all obligations and
restrictions of Holder pursuant to the Agreement, as fully and effectively as
though the undersigned had executed a counterpart of the Agreement together with
the other parties to the Agreement. The undersigned hereby acknowledges having
received and reviewed a copy of the Agreement.

                  DATED this _____ day of ____________, _____.

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

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

                                        Number of _____________________________

                                        Shares of _____________________________

                                        Registrable Securities:________________

                                       A-1<PAGE>
                                                                   Exhibit 10.13

                                    AGREEMENT

     This AGREEMENT is made as of the date of the last signature affixed hereto
by and among: Global Crossing Ltd. ("GCL"), GC Acquisition Limited ("New GX")
and Singapore Technologies Telemedia Pte Ltd ("ST Telemedia"), on the one hand,
and the Federal Bureau of Investigation ("FBI"), the U.S. Department of Justice
("DOJ"), the Department of Defense ("DOD"), and the Department of Homeland
Security ("DHS"), on the other (referred to individually as a "Party" and
collectively as the "Parties").

                                    RECITALS

     WHEREAS, U.S. communication systems are essential to the ability of the
U.S. government to fulfill its responsibilities to the public to preserve the
national security of the United States, to enforce the laws, and to maintain the
safety of the public;

     WHEREAS, the U.S. government has an obligation to the public to ensure that
U.S. communications and related information are secure in order to protect the
privacy of U.S. persons and to enforce the laws of the United States;

     WHEREAS, it is critical to the well being of the nation and its citizens to
maintain the viability, integrity, and security of the communications systems of
the United States (see, e.g., Executive Order 13231, Critical Infrastructure
Protection in the Information Age and Presidential Decision Directive 63,
Critical Infrastructure Protection);

     WHEREAS, protection of Classified, Controlled Unclassified, and Sensitive
Information is also critical to U.S. national security;

     WHEREAS, GCL and New GX have an obligation to protect from unauthorized
disclosure the contents of wire and electronic communications;

     WHEREAS, New GX, through one or more of its subsidiaries, provides or will
provide the following services: (1) local, long distance and international voice
services including IP-based voice services, calling card and toll free voice
service, and international toll free service; (2) private data and virtual
private networking services, including global ATM service, and frame relay
service; (3) broadband fiber-optic capacity on a leased and IRU basis, including
private line service and wavelength service; (4) Internet access services
including IP peering and transit service, dedicated Internet access service and
internet dial-up service; (5) audio and video conferencing services; (6)
maintenance and installation services in connection with the above, including
colocation service, remote access service and managed services; and (7) any
other telecommunications service that New GX may offer in the future;

     WHEREAS, New GX has or will have direct physical or electronic access to
certain customer facilities, including servers, storage media, network
connections, bandwidth transport, and firewalls, and thereby has access to a
variety of customer and end-user information that is subject to U.S. privacy and
electronic surveillance laws;

<PAGE>

                                                                          Page 2

     WHEREAS, GCL has entered into a Purchase Agreement dated August 9, 2002 and
amended December 20, 2002 and May 13, 2003 (the "Purchase Agreement"), whereby
GCL and its wholly- owned Bermuda subsidiary, Global Crossing Holdings, Ltd.,
will transfer all of their assets and operations, including ownership of their
U.S. subsidiaries, to New GX, and ST Telemedia will acquire, directly or through
a subsidiary, a 61.5 percent equity and voting interest in New GX in exchange
for, inter alia, an investment of $250 million in New GX which Purchase
Agreement has been approved by the United States Bankruptcy Court for the
Southern District of New York; and GCL, New GX and ST Telemedia have represented
that the proposed transaction does not involve, directly or indirectly,
investment in GCL, its subsidiaries, assets and operations by any foreign
company other than ST Telemedia;

     WHEREAS, GCL and New GX have filed with the Federal Communications
Commission ("FCC") applications (in FCC IB Docket No. 02-286) under Sections 214
and 310(d) of the Communications Act of 1934, as amended (the "1996 Act"), 47
U.S.C. Sections 214 and 310(d), and the Act Relating to the Landing and
Operation of Submarine Cables in the United States, as amended (the "Cable
Landing License Act"), 47 U.S.C. Sections 34-39, seeking FCC approval of the
transfer of control to New GX of GCL's subsidiaries that hold FCC authorizations
and licenses, and in connection therewith have also filed with the FCC a
petition pursuant to Section 310(b)(4) of the 1996 Act for a declaratory ruling
that the proposed indirect foreign ownership interest of ST Telemedia in the
FCC-licensed subsidiaries is in the public interest;

     WHEREAS, ST Telemedia is a company organized and existing under the laws of
Singapore that is a wholly-owned subsidiary of Singapore Technologies Pte Ltd,
that in turn ultimately is wholly-owned by the government of the Republic of
Singapore;

     WHEREAS, the FCC's grant of the applications in FCC IB Docket No. 02-286
may be made subject to conditions relating to national security, law
enforcement, and public safety, and whereas GCL, New GX and ST Telemedia have
agreed to enter into this Agreement with the FBI, the DOJ, the DOD and the DHS
to address issues raised by those departments and agencies and to request that
the FCC condition the transfer of control approved by the FCC on their
compliance with this Agreement;

     WHEREAS, by Executive Order 12661, the President, pursuant to Section 721
of the Defense Production Act, as amended, authorized the Committee on Foreign
Investment in the United States ("CFIUS") to review, for national security
purposes, foreign acquisitions of U.S. companies;

     WHEREAS, GCL, New GX and ST Telemedia have submitted a voluntary notice to
CFIUS regarding ST Telemedia's proposed investment in New GX, and GCL, New GX
and ST Telemedia have entered into this Agreement to resolve any national
security issues that the DOJ, the FBI, the DOD and the DHS might raise,
including in the CFIUS review process; and

     WHEREAS, representatives of GCL, New GX and ST Telemedia have met with
representatives of the FBI, the DOJ, the DOD and the DHS to discuss issues
raised by those departments and agencies. In these meetings, GCL, New GX, and ST
Telemedia represented that: (a) they have no present plans, and are not aware of
present plans of any other entity, that

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                                                                          Page 3

would result in a Domestic Communications Company providing Domestic
Communications through facilities located outside the United States, except as
otherwise provided in section 2.1 of this Agreement, (b) ST Telemedia is an
entity whose commercial operations are wholly separate from the government of
the Republic of Singapore and whose activities are overseen by independent
regulatory authorities in Singapore, (c) no government has or will have, as a
direct or indirect shareholder of New GX, special voting or veto rights
concerning the actions of New GX, and GCL and New GX are aware of no plans the
result of which would confer special voting or veto rights to any government,
and (d) except as otherwise provided in Section 3.22, there are no present
plans, and GCL and New GX are aware of no present plans of any other entity, as
a result of which GCL or New GX will provide, direct, control, supervise or
manage Domestic Communications through facilities located outside the United
States.

     NOW THEREFORE, the Parties are entering into this Agreement to address
national security, law enforcement and public safety issues.

                         ARTICLE 1: DEFINITION OF TERMS

As used in this Agreement:

     1.1.   "Call Associated Data" means any information related to a Domestic
     Communication or related to the sender or recipient of that Domestic
     Communication and, to the extent maintained by a Domestic Communications
     Company in the normal course of business, includes without limitation
     subscriber identification, called party number, calling party number, start
     time, end time, call duration, feature invocation and deactivation, feature
     interaction, registration information, user location, diverted to number,
     conference party numbers, post cut-through dial digit extraction, in-band
     and out-of-band signaling, and party add, drop and hold.

     1.2.   "Classified Information" means any information that has been
     determined pursuant to Executive Order 12958, or any predecessor or
     successor order, or the Atomic Energy Act of 1954, or any statute that
     succeeds or amends the Atomic Energy Act, to require protection against
     unauthorized disclosure.

     1.3.   "Control" and "Controls" means the power, direct or indirect,
     whether or not exercised, and whether or not exercised or exercisable
     through the ownership of a majority or a dominant minority of the total
     outstanding voting securities of an entity, or by proxy voting, contractual
     arrangements, or other means, to determine, direct, or decide matters
     affecting an entity; in particular, but without limitation, to determine,
     direct, take, reach, or cause decisions regarding:

          (i)    the sale, lease, mortgage, pledge, or other transfer of any or
                 all of the principal assets of the entity, whether or not in
                 the ordinary course of business;

          (ii)   the dissolution of the entity;

          (iii)  the closing and/or relocation of the production or research and
                 development facilities of the entity;

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                                                                          Page 4

          (iv)   the termination or nonfulfillment of contacts of the entity;

          (v)    the amendment of the articles of incorporation or constituent
                 agreement of the entity with respect to the matters described
                 in subsections (i) through (IV) above; or

          (vi)   New GX's and GCL's obligations under this Agreement.

     1.4.   "Controlled Unclassified Information" means unclassified
     information, the export of which is controlled by the International Traffic
     in Arms Regulations (ITAR), 22 C.F.R. Chapter I, Subchapter M, or the
     Export Administration Regulations (EAR), 15 C.F.R., Chapter VII, Subchapter
     C.

     1.5.   "De facto" and "de jure" control have the meanings provided in 47
     C.F.R. Section 1.2110

     1.6.   "DHS" means the U.S. Department of Homeland Security.

     1.7.   "DOD" means the U.S. Department of Defense.

     1.8.   "DOJ" means the U.S. Department of Justice.

     1.9.   "Domestic Communications" means (i) Wire Communications or
     Electronic Communications (whether stored or not) from one U.S. location to
     another U.S. location and (ii) the U.S. portion of a Wire Communication or
     Electronic Communication (whether stored or not) that originates or
     terminates in the United States.

     1.10.  "Domestic Communications Company" means all those subsidiaries,
     divisions, departments, branches, other components of New GX and any other
     entity over which New GX has de facto or de jure control that provide
     Domestic Communications. If any subsidiary, division, department, branch,
     other component of New GX or any other entity over which New GX has de
     facto or de jure control provides Domestic Communications after the date
     that all the Parties execute this Agreement, then such entity shall be
     deemed to be a Domestic Communications Company. If any Domestic
     Communications Company enters into joint venture or another entity may
     provide Domestic Communications, and if a Domestic Communications Company
     has the power or authority to exercise de facto or de jure control over
     such entity, then New GX will ensure that entity shall fully comply with
     the terms of this Agreement. The term "Domestic Communications Company"
     shall not include acquisitions by New GX in the U.S. after the date this
     Agreement is executed by all parties only if the DOJ, FBI, DOD and DHS find
     that the terms of this Agreement are inadequate to address national
     security, law enforcement or public safety concerns presented by that
     acquisition and the necessary modifications to this Agreement cannot be
     reached pursuant to Section 8.10 below. Nothing in this definition shall
     exempt any Domestic Communications Company from its obligations under
     Section 5.3.

     1.11.  "Domestic Communications Infrastructure" means (a)transmission,
     switching, bridging and routing equipment (including software and upgrades)
     subject to control by a

<PAGE>

                                                                          Page 5

     Domestic Communications Company and in use to provide, process, direct,
     control, supervise or manage Domestic Communications, and (b) facilities
     and equipment in use by or on behalf of a Domestic Communications Company
     that are physically located in the United States; or (c) facilities in use
     by or on behalf of a Domestic Communications Company to control the
     equipment described in (a) and (b) above. Domestic Communications
     Infrastructure does not include equipment or facilities used by service
     providers that are not Domestic Communications Companies and that are:

          (i)    interconnecting communications providers; or

          (ii)   providers of services or content that are

                 (A)  accessible using the communications services of Domestic
                      Communications Companies, and

                 (B)  available in substantially similar form and on
                      commercially reasonable terms through communications
                      services of companies other than Domestic Communications
                      Companies.

Domestic Communications Infrastructure does not include equipment dedicated to
the termination of international undersea cables, provided that such equipment
is utilized solely to effectuate the operation of undersea transport network(s)
outside of the United States and in no manner controls land-based transport
network(s) or their associated systems in the United States.

     1.12.  "Effective Date" means the date on which the transactions
     contemplated by the Purchase Agreement are consummated.

     1.13.  "Electronic Communication" has the meaning given it in 18 U.S.C.
     Section 2510(12).

     1.14.  "Electronic Surveillance" means: (a) the interception of wire, oral,
     or electronic communications as defined in 18 U.S.C. Sections 2510(4), (1),
     (2), and (12), respectively, and electronic surveillance as defined in 50
     U.S.C. Section 1801(f); (b) access to stored wire or electronic
     communication, as referred to in 18 U.S.C. Section 2701 et seq.; (c)
     acquisition of dialing, routing, addressing or signaling information
     through pen register or trap and trace devices or other devices or features
     capable of acquiring such information pursuant to law as defined in 18
     U.S.C. Section 3121 et seq. and 50 U.S.C. Section 1841 et seq.; (d)
     acquisition of location related information concerning a service subscriber
     or facility; (e) preservation of any of the above information pursuant to
     18 U.S.C Section 2703(f); and (f) access to, or acquisition or interception
     of, or preservation of communication or information as described in (a)
     through (e) above and comparable State laws.

     1.15.  "FBI" means the Federal Bureau of Investigation.

     1.16.  "Foreign" where used in this Agreement, whether capitalized or lower
     case, means non-U.S.

     1.17.  "GCL" means Global Crossing Ltd., a Bermuda corporation.

<PAGE>

                                                                          Page 6

     1.18.  "Governmental Authority" or "Governmental Authorities" means any
     government, or any governmental, administrative, or regulatory entity,
     authority, commission, board, agency, instrumentality, bureau, or political
     subdivision, and any court, tribunal, judicial, or arbitral body.

     1.19.  "Intercept" or "Intercepted" has the meaning defined in 18 U.S.C.
     Section 2510(4).

     1.20.  "Lawful U.S. Process" means lawful U.S. Federal, state, or local
     Electronic Surveillance or other court orders, processes, or authorizations
     issued under U.S. Federal, state, or local law for physical search or
     seizure, production of tangible things, or access to or disclosure of
     Domestic Communications or Call Associated Data, including Transactional
     Data or Subscriber Information.

     1.21.  "Network Management Information" means network management operations
     plans, processes and procedures; the placement of Network Operating
     Center(s) and linkages (for services off load or administrative activities)
     to other domestic and international carriers, ISPs and other critical
     infrastructures; descriptions of IP networks and operations processes and
     procedures for management control and relation to the backbone
     infrastructure(s) including other services providers; description of any
     unique/proprietary control mechanisms as well as operating and
     administrative software; and network performance information.

     1.22.  "New GX" means GC Acquisition Limited, a Bermuda corporation, and
     its subsidiaries and affiliates.

     1.23.  "New GX Board" means the board of directors of New GX.

     1.24.  "OPM" means the Office of Personnel Management of the U.S.
     Government.

     1.25.  "Party" and "Parties" have the meanings given them in the Preamble.

     1.26.  "Pro forma assignments" or "pro forma transfers of control" are
     transfers that do not involve a substantial change in ownership or control
     as provided by the FCC's Rules.

     1.27.  "Purchase Agreement" has the meaning give in the Recitals.

     1.28.  "Security Committee" means a committee of the New GX Board the
     mandate of which is to oversee security matters and implementation of this
     Agreement within New GX.

     1.29.  "Security Director" has the meaning given in Section 3.15.

     1.30.  "Security Officer" has the meaning given in Section 3.10 and 3.13.

     1.31.  "Sensitive Information" means information that is not Classified
     Information regarding (a) the persons or facilities that are the subjects
     of Lawful U.S. Process, (b) the identity of the government agency or
     agencies serving such Lawful U.S. Process, (c) the location or identity of
     the line, circuit, transmission path, or other facilities or equipment

<PAGE>

                                                                          Page 7

used to conduct Electronic Surveillance pursuant to Lawful U.S. Process, (d) the
means of carrying out Electronic Surveillance pursuant to Lawful U.S. Process,
(e) the type(s) of service, telephone number(s), records, communications, or
facilities subjected to Lawful U.S. Process, (f) information deemed to be
Sensitive Information pursuant to Executive Order, decision or guidelines, and
(g) other information that is not Classified Information designated in writing
by an authorized official of a Federal, state or local law enforcement agency or
a U.S. intelligence agency as "Sensitive Information." Domestic Communications
Companies may dispute pursuant to Article 4 whether information is Sensitive
Information under this subparagraph. Such information shall be treated as
Sensitive Information unless and until the dispute is resolved in the Domestic
Communications Companies' favor.

     1.32.  "ST Telemedia" has the meaning given in the Preamble.

     1.33.  "Subscriber Information" means information relating to subscribers
     or customers of Domestic Communications Companies of the type referred to
     and accessible subject to procedures specified in 18 U.S.C. Section 2703(c)
     or (d) or 18 U.S.C. Section 2709. Such information shall also be considered
     Subscriber Information when it is sought pursuant to the provisions of
     other Lawful U.S. Process.

     1.34.  "Transactional Data" means:

          (i)   "call identifying information," as defined in 47 U.S.C. Section
                1001(2), including without limitation the telephone number or
                similar identifying designator associated with a Domestic
                Communication;

          (ii)  any information possessed by a Domestic Communications Company
                relating specifically to the identity and physical address of a
                customer or subscriber, or account payer, or the end-user of
                such customer or subscriber, or account payer, or associated
                with such person relating to all telephone numbers, domain
                names, IP addresses, Uniform Resource Locators ("URLs"), other
                identifying designators, types of services, length of service,
                fees, usage including billing records and connection logs, and
                the physical location of equipment, if known and if different
                from the location information provided under (iv) below;

          (iii) the time, date, size or volume of data transfers, duration,
                domain names, MAC or IP addresses (including source and
                destination), URLs, port numbers, packet sizes, protocols or
                services, special purpose flags, or other header information or
                identifying designators or characteristics associated with any
                Domestic Communication; and

          (iv)  as to any mode of transmission (including mobile transmissions),
                and to the extent permitted by U.S. laws, any information
                indicating as closely as possible the physical location to or
                from which a Domestic Communication is transmitted.

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                                                                          Page 8

     The term includes all records or other information of the type referred to
     and accessible subject to procedures specified in 18 U.S.C. Section
     2703(c)(1) and (d), but does not include the content of any communication.

     1.35.  "United States," "US," or "U.S." means the United States of America
     including all of its States, districts, territories, possessions,
     commonwealths, and the special maritime and territorial jurisdiction of the
     United States.

     1.36.  "Wire Communication" has the meaning given it in 18 U.S.C. Section
     2510(1).

     1.37.  Other Definitional Provisions. Other capitalized terms used in this
     Agreement and not defined in this Article shall have the meanings assigned
     them elsewhere in this Agreement. The definitions in this Agreement are
     applicable to the singular as well as the plural forms of such terms and to
     the masculine as well as to the feminine and neuter genders of such term.
     Whenever the words "include," "includes," or "including" are used in this
     Agreement, they shall be deemed to be followed by the words "without
     limitation."

             ARTICLE 2: FACILITIES, INFORMATION STORAGE AND ACCESS

     2.1.   Domestic Communications Infrastructure. Except to the extent and
     under conditions concurred in by the FBI, DOJ, DOD, and DHS in writing:

          (i)   all Domestic Communications Infrastructure that is owned,
                operated or controlled by a Domestic Communications Company
                shall at all times be located in the United States and will be
                directed, controlled, supervised and managed by a Domestic
                Communications Company; and

          (ii)  all Domestic Communications that are carried by or through, in
                whole or in part, the Domestic Communications Infrastructure
                shall pass through a facility under the control of a Domestic
                Communications Company and physically located in the United
                States, from which Electronic Surveillance can be conducted
                pursuant to Lawful U.S. Process. The Domestic Communications
                Company will provide technical or other assistance to facilitate
                such Electronic Surveillance.

          (iii) foreign connections to the domestic Global Crossing network
                shall be on a gateway basis using industry best practices (i.e.,
                both signaling and traffic shall be monitored for unauthorized
                access, network intrusions and other malicious activity). Such
                practices will be jointly determined by New GX and the FBI, DOJ,
                DOD and DHS.

     2.2.   Compliance with Lawful U.S. Process. Domestic Communications
     Companies shall take all practicable steps to configure their Domestic
     Communications Infrastructure to be capable of complying, and Domestic
     Communications Company employees in the United States will have
     unconstrained authority to comply, in an effective, efficient, and
     unimpeded fashion, with:

          (i)   Lawful U.S. Process;

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                                                                          Page 9

          (ii)  the orders of the President in the exercise of his/her authority
                under Section 706 of the Communications Act of 1934, as amended,
                47 U.S.C. Section 606, and under Section 302(e) of the Aviation
                Act of 1958, 49 U.S.C. Section 40107(b) and Executive Order
                11161 (as amended by Executive Order 11382); and

          (iii) National Security and Emergency Preparedness rules, regulations
                and orders issued pursuant to the Communications Act of 1934, as
                amended, 47 U.S.C. Section 151 et seq.

     2.3.   Information Storage and Access. Domestic Communications Companies
     shall store exclusively in the United States the following:

          (i)   stored Domestic Communications, if such communications are
                stored by or on behalf of a Domestic Communications Company for
                any reason;

          (ii)  any Wire Communications or Electronic Communications (including
                any other type of wire, voice or electronic communication not
                covered by the definitions of Wire Communication or Electronic
                Communication) received by, intended to be received by, or
                stored in the account of a customer or subscriber of a Domestic
                Communications Company, if such communications are stored by or
                on behalf of a Domestic Communications Company for any reason;

          (iii) Transactional Data and Call Associated Data relating to Domestic
                Communications, if such data are stored by or on behalf of a
                Domestic Communications Company for any reason;

          (iv)  Subscriber Information, if such information is stored by or on
                behalf of a Domestic Communications Company for any reason,
                concerning customers who are U.S.-domiciled, customers who hold
                themselves out as being U.S.-domiciled, and customers who make a
                Domestic Communication;

          (v)   billing records of customers who are U.S.-domiciled, customers
                who hold themselves out as being U.S.-domiciled, and customers
                who make a Domestic Communication, for so long as such records
                are kept and at a minimum for as long as such records are
                required to be kept pursuant to applicable U.S. law or this
                Agreement; and

          (vi)  Network Management Information.

     2.4.   Billing Records. Domestic Communications Companies shall store for
     at least 18 months all billing records described in Section 2.3(v) above.
     Nothing in this paragraph shall require a Domestic Communications Company
     to store such records for longer than 18 months.

     2.5.   Storage Pursuant to 18 U.S.C. Section 2703(f). Upon a request made
     pursuant to 18 U.S.C. Section 2703(f) by a Governmental Authority in the
     United States to preserve any information in the possession, custody, or
     control of Domestic Communications Companies

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                                                                         Page 10

     that is enumerated in Section 2.3 above, Domestic Communications Companies
     shall store such information in the United States.

     2.6.   Compliance with U.S. Law. Nothing in this Agreement shall excuse a
     Domestic Communications Company from any obligation it may have to comply
     with U.S. legal requirements for the retention, preservation, or production
     of such information or data. Similarly, in any action to enforce Lawful
     U.S. Process, Domestic Communication Companies have not waived any legal
     right they might have to resist such process.

     2.7.   Routing of Domestic Communications. Except for routing of traffic
     (i) to U.S. states, territories and possessions outside the Continental
     United States, (ii) to avoid network disruptions, (iii) consistent with
     least-cost routing practices that are implemented pursuant to policies
     reviewed and approved by the third-party auditor selected pursuant to
     Section 5.8 of this Agreement, and (iv) as otherwise may be agreed by the
     DOJ, the FBI, DOD and the DHS, Domestic Communications Companies shall not
     route Domestic Communications outside the United States.

     2.8.   Interconnection Arrangements with ST Telemedia and Subsidiaries.
     Interconnection arrangements between Domestic Communications Companies, on
     the one hand, and ST Telemedia and its subsidiaries, on the other hand,
     shall be on an arms' length basis.

     2.9.   CPNI. Domestic Communications Companies shall comply, with respect
     to Domestic Communications, with all applicable FCC rules and regulations
     governing access to and storage of Customer Proprietary Network Information
     ("CPNI"), as defined in 47 U.S.C. Section 222(h)(1).

     2.10.  Storage of Protected Information. The storage of Classified,
     Controlled Unclassified, and Sensitive Information by a Domestic
     Communications Company or its contractors at any location outside of the
     United States is prohibited, unless the storage is at a U.S. military
     facility, a U.S. Embassy or Consulate or other location occupied by a U.S.
     government organization.

     2.11.  Network Topography. No later that 30 days after the Effective Date
     of this Agreement, New GX will provide to the FBI, DOJ, DHS and DOD a
     comprehensive description of the New GX domestic telecommunications network
     to include location of servers, routers, switches, operational systems
     software, and network security appliances and software.

                              ARTICLE 3: SECURITY

     3.1    Measures to Prevent Improper Use or Access. Domestic Communications
     Companies shall take all reasonable measures to prevent the use of or
     access to the Domestic Communications Infrastructure to conduct Electronic
     Surveillance, or to obtain or disclose Domestic Communications, Classified
     Information, Sensitive Information, or Controlled Unclassified Information,
     in violation of any U.S. Federal, state, or local laws or the terms of this
     Agreement. These measures shall include creating and complying with

<PAGE>

                                                                         Page 11

     detailed technical, organizational, operational, and personnel controls,
     policies and written procedures, necessary implementation plans, and
     physical security measures.

     3.2.   Visitation Policy. No later than ninety (90) days after the
     Effective Date, New GX shall adopt and implement a visitation policy for
     Domestic Communications Companies, for all visits to Domestic
     Communications Infrastructure. New GX will consult with DOJ, DHS and DOD on
     the design and implementation of its visitation policy. The visitation
     policy shall differentiate between categories of visits based on the
     sensitivity of the information, equipment and personnel to which the
     visitors will have access The visitation policy shall require that:

          (i)   the Security Officer shall review and approve or disapprove
                requests for visits to Domestic Communications Infrastructure
                (provided that, with respect to carrier hotels and other shared
                facilities, this policy will apply solely to the portion of the
                facility controlled by New GX) by all non-U.S. persons,
                organizations and entities. The Security Officer shall approve
                or deny visit requests on the basis of their compliance with the
                visitation policy; the Security Officer may specifically deny
                any visit request on security or related grounds, which grounds
                will be described more fully in the visitation policy.

          (ii)  a written request for approval of a visit must be submitted to
                the Security Officer no less than seven (7) days prior to the
                date of the proposed visit. If a written request cannot be
                provided within seven (7) days of the proposed visit because of
                an unforeseen exigency, the request may be communicated via
                telephone to the Security Officer and immediately confirmed in
                writing; however, the Security Officer may refuse to accept any
                request submitted less than seven (7) days prior to the date of
                such proposed visit if the Security Officer determines that
                there is insufficient time to consider the request.

          (iii) the exact purpose and justification for the visit must be set
                forth in detail sufficient to enable the Security Officer to
                make an informed decision concerning the appropriateness of the
                proposed visit, and the Security Officer may refuse to accept
                any request that he or she believes lacks sufficient
                information. Each proposed visit and each individual visitor
                must be justified and a separate approval request must be
                submitted for each visit.

          (iv)  the Security Officer evaluate the request as soon as practicable
                after receiving it. The Security Officer may approve or
                disapprove the request pending submittal of additional
                information by the requester. When practicable, the Security
                Officer's decision shall be communicated to the requester by any
                means at least one (1) day prior to the date of the proposed
                visit, and, in all cases, the decision shall be confirmed in
                writing as promptly as possible.

          (v)   a record of all such visit requests, including the decision to
                approve or disapprove, and information regarding consummated
                visits, such as date and place, as well as the names, business
                affiliation and dates of birth of the visitors, and New GX
                personnel involved, be maintained by the Security Officer. In

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                                                                         Page 12

                addition, a chronological file of all documentation associated
                with such visits, together with records of approvals and
                disapprovals, shall be maintained for two (2) years by the
                Security Officer for provision at the request of the third party
                auditor identified pursuant to Section 5.8 below, or of the DOJ,
                FBI, DOD or DHS.

          (vi)  visitors be escorted at all times by an employee, and within
                conditions, including appropriate restrictions on access, set
                forth by the Security Officer that are commensurate with the
                place and purpose of the visit.

          The parties may agree in the visitation policy that certain visits of
          a routine and nonsensitive nature are exempt from one or more of the
          requirements above.

     3.3.   Records of Communications with Non U.S. Citizens and Non U.S.
     Entities. New GX shall maintain a full and complete record of every
     electronic or written communication by the New GX directors, officers,
     employees and agents, with ST Telemedia directors, officers, employees and
     agents (including the names, business affiliations, and substance of the
     communications) that are related to interconnection agreements, Security
     Procedures and Policy, as well as major equipment purchases outlined in
     section 3.18, and Joint Venture provisions outlined in section 5.3,
     relating to Domestic Communications Companies. These records shall be
     maintained for a period of five (5) years by the Security Officer for
     provision at the request of the third party auditor identified pursuant to
     Section 5.8 below, or of the DOD, DOJ, FBI or DHS.

     3.4.   Access by Foreign Government Authority. Domestic Communications
     Companies shall not, directly or indirectly, disclose or permit disclosure
     of, or provide access to Domestic Communications, Call Associated Data,
     Transactional Data, or Subscriber Information stored by Domestic
     Communications Companies to any person if the purpose of such access is to
     respond to the legal process or the request of or on behalf of a foreign
     government, identified representative, component or subdivision there of
     without the express written consent of the DOJ or the authorization of a
     court of competent jurisdiction in the United States. Any such requests or
     submission of legal process described in this Section 3.4 of this Agreement
     shall be reported to the DOJ as soon as possible and in no event later than
     five (5) business days after such request or legal process is received by
     and known to the Security Officer. Domestic Communications Companies shall
     take reasonable measures to ensure that the Security Officer will promptly
     learn of all such requests or submission of legal process described in this
     Section 3.4 of this Agreement.

     3.5.   Disclosure to Foreign Government Authorities. Domestic
     Communications Companies shall not, directly or indirectly, disclose or
     permit disclosure of, or provide access to:

          (i)   Classified, Sensitive, or Controlled Unclassified Information;
                or

<PAGE>

                                                                         Page 13

          (ii)  Subscriber Information, Transactional Data or Call Associated
                Data, including a copy of any Wire Communications or Electronic
                Communication, intercepted or acquired pursuant to Lawful U.S.
                Process

     to any foreign government, identified representative, component or
     subdivision thereof without satisfying all applicable U.S. Federal, state
     and local legal requirements pertinent thereto, and obtaining the express
     written consent of the DOJ or the authorization of a court of competent
     jurisdiction in the United States. Any requests or any legal process
     submitted by a foreign government, an identified representative, a
     component or subdivision thereof to Domestic Communications Companies for
     the communications, data or information identified in this Section 3.5 of
     this Agreement that is maintained by Domestic Communications Companies
     shall be referred to the DOJ as soon as possible and in no event later than
     five (5) business days after such request or legal process is received by
     and known to the Security Officer unless the disclosure of the request or
     legal process would be in violation of an order of a court of competent
     jurisdiction within the United States. Domestic Communications Companies
     shall take reasonable measures to ensure that the Security Officer will
     promptly learn of all such requests or submission of legal process
     described in this Section 3.5.

     3.6.   Notification of Access or Disclosure Requests from Foreign Non-
     Governmental Entities. Within ninety (90) days of receipt, Domestic
     Communications Companies shall notify DOJ in writing of legal process or
     requests by foreign nongovernmental entities to Domestic Communications
     Companies for access to or disclosure of Domestic Communications unless the
     disclosure of the legal process or request would be in violation of an
     order of a court of competent jurisdiction within the United States.

     3.7.   Security of Lawful U.S. Process. Domestic Communications Companies
     shall protect the confidentiality and security of all Lawful U.S. Process
     served upon them and the confidentiality and security of Classified,
     Sensitive, and Controlled Unclassified Information in accordance with U.S.
     Federal and state law or regulation and this Agreement. Information
     concerning Lawful U.S. Process, Classified Information, Sensitive
     Information, or Controlled Unclassified Information shall be under the
     custody and control of the Security Officer.

     3.8.   Points of Contact. Within fourteen (14) days after the Effective
     Date, Domestic Communications Companies shall designate in writing to the
     FBI, DOJ, DOD and DHS at least three nominees already holding U.S. Security
     clearances, or who are eligible to receive such clearances and whose
     applications for such clearances have been submitted to DOD, to serve as a
     primary and two secondary points of contact within the United States with
     the authority and responsibility for accepting and overseeing the carrying
     out of Lawful U.S. Process. The points of contact shall be assigned to
     Domestic Communications Companies' office(s) in the United States, shall be
     available twenty-four (24) hours per day, seven (7) days per week and shall
     be responsible for accepting service and maintaining the security of
     Classified, Sensitive, and Controlled Unclassified Information and any
     Lawful U.S. Process in accordance with the requirements of U.S. Law and
     this Agreement. Promptly after designating such points of contact, Domestic
     Communications Companies shall notify the FBI, DOJ, DOD and DHS in writing
     of the points of contact, and thereafter shall promptly

<PAGE>

                                                                         Page 14

     notify the FBI, DOJ, DOD and DHS of any change in such designation. The
     points of contact shall be resident U.S. citizens who hold U.S. security
     clearances (which may include interim security clearances), as outlined in
     Executive Order 12968, and shall serve as points of contact for new
     Domestic Communications Companies unless and until the FBI, DOJ, DOD and
     DHS are notified of any change in designation. Domestic Communications
     Companies shall cooperate with any request by a Government Authority within
     the United States that a background check and/or security clearance process
     be completed for a designated point of contact.

     3.9.   Information Security Plan. Domestic Communications Companies shall
     develop, document, implement, and maintain an information security plan to:

          (i)    maintain appropriately secure facilities (e.g., offices) within
                 the United States for the handling and storage of any
                 Classified, Sensitive or Controlled Unclassified Information;

          (ii)   take appropriate measures to prevent unauthorized access to
                 data or facilities that might contain Classified, Sensitive, or
                 Controlled Unclassified Information;

          (iii)  assign U.S. citizens to positions for which screening is
                 contemplated pursuant to Section 3.12;

          (iv)   Upon request from the DOJ, FBI, DOD or DHS, provide the name,
                 social security number and date of birth of each person who
                 regularly handles or deals with Sensitive Information;

          (v)    require that personnel handling Classified Information shall
                 have been granted appropriate security clearances pursuant to
                 Executive Order 12968;

          (vi)   provide that the points of contact described in Section 3.8 of
                 this Agreement shall have sufficient authority over any of
                 Domestic Communications Companies' employees who may handle
                 Classified, Sensitive, or Controlled Unclassified Information
                 to maintain the confidentiality and security of such
                 information in accordance with applicable U.S. legal authority
                 and the terms of this Agreement;

          (vii)  ensure that the disclosure of or access to Classified,
                 Sensitive, or Controlled Unclassified Information is limited to
                 those who have the appropriate security clearances and
                 authority;

          (viii) establish a formal incident response capability with reference
                 to OMB Circular A-130 and NIST Special Publications 800-3,
                 800-18 and 800-47; and

          (ix)   identify the types of positions that require screening pursuant
                 to Section 3.12, the required rigor of such screening by type
                 of position, and the criteria by which Domestic Communications
                 Companies will accept or reject screened persons ("Screened
                 Personnel").

<PAGE>

                                                                         Page 15

     3.10.  Security Officer Responsibilities and Duties. The Head of Global
     Security of New GX, or a designee in a direct reporting relationship with
     the Head of Global Security, shall serve as the Security Officer with the
     primary responsibility for ensuring compliance with the Domestic
     Communications Companies' obligations under Article 3 and Sections 5.2,
     5.5, 5.6, 5.7, 5.11, and 5.12 of this Agreement, and shall have the
     qualifications set forth in Section 3.13. Within thirty (30) days after the
     Effective Date, New GX shall notify the DOJ, FBI, DOD and DHS of the
     identity of the Security Officer.

     3.11.  Disclosure of Protected Data. In carrying out the responsibilities
     set forth in Section 3.10, the Security Officer shall not directly or
     indirectly disclose information concerning Lawful U.S. Process, Classified
     Information, Sensitive Information, or Controlled Unclassified Information
     to any third party or to any officer, director, shareholder, employee,
     agent, or contractor of New GX or any Domestic Communications Company,
     including those who serve in a supervisory, managerial or officer role with
     respect to the Security Officer, except to a Security Director (i)
     consistent with the Security Officer's or the Security Committee's duties
     or (ii) to the extent required to comply with this Agreement, unless
     disclosure has been approved by prior written consent obtained from the
     FBI, DOJ, DOD or DHS or there is an official need for disclosure of the
     information in order to fulfill an obligation consistent with the purpose
     for which the information is collected or maintained.

     3.12.  Screening of Personnel. Each Domestic Communications Company shall
     implement a thorough screening process through a reputable third-party to
     ensure that all personnel whose position involves access to the Domestic
     Communications Infrastructure that enables those persons to monitor the
     content of Wire or Electronic Communications (including in electronic
     storage) or to have access to Transactional Data, Call Associated Data or
     Subscriber Information, persons who have access to Sensitive Information,
     and security personnel meet personnel screening requirements agreed to by
     New GX, DOJ, the FBI, DOD and DHS. The screening process undertaken
     pursuant to this Section shall follow the guidance to U.S. government
     agencies for screening civilian Federal employees in Executive Order 10450,
     and shall specifically include a background and financial investigation, an
     additional criminal record check, and a review of at least three
     references. Newly hired personnel will also be required to sign a
     non-disclosure agreement approved in advance by DOJ, FBI, DOD and DHS.

          (i)    New GX shall consult with DOJ, the FBI, DOD and DHS on the
                 screening procedures utilized by the reputable third party and
                 shall provide to DOJ, FBI, DOD and DHS a list of the positions
                 subject to screening. New GX shall utilize the criteria
                 identified pursuant to Section 3.9 (ix) to screen personnel,
                 shall report the results of such screening on a regular basis
                 to the Security Committee, and shall, upon request, provide to
                 the investigations services of the DOJ, the FBI, DOD and DHS
                 or, in the alternative, to the investigations service of OPM,
                 all the information it collects in its screening process of
                 each candidate. Candidates for these positions shall be
                 informed that the information collected during the screening
                 process may be provided to the U.S. government, and the
                 candidates shall consent to the sharing of this information
                 with the U.S. government.

<PAGE>
                                                                         Page 16

          (ii)   If the DOJ, the FBI, DOD or DHS so desires, it may on its own,
                 or through OPM's investigations service, conduct further
                 background checks for Screened Personnel. New GX will cooperate
                 with any U.S. government agency undertaking any such further
                 background checks.

          (iii)  Individuals who are rejected by the DOJ, the FBI, DOD or DHS
                 for the screening requirements agreed to pursuant to this
                 Section 3.12 of this Agreement will not be hired or, if they
                 have begun their employment, will be immediately removed from
                 their positions or otherwise have their duties immediately
                 modified so that they are no longer performing a function that
                 would require screening under this Section. New GX will notify
                 the DOJ, the FBI, DOD and DHS of the transfer, departure, or
                 job modification of any individual rejected as a result of the
                 screening conducted pursuant to this Section 3.12 of this
                 Agreement within seven (7) days of such transfer or departure,
                 and shall provide the DOJ, the FBI, DOD and DHS with the name,
                 date of birth and social security number of such individual.

          (iv)   New GX shall provide training programs to instruct Screened
                 Personnel as to their obligations under the Agreement and the
                 maintenance of their trustworthiness determination or
                 requirements otherwise agreed. New GX shall monitor on a
                 regular basis the status of Screened Personnel, and shall
                 remove personnel who no longer meet the Screened Personnel
                 requirements.

          (v)    New GX shall maintain records relating to the status of
                 Screened Personnel, and shall provide these records, upon
                 request, to the DOJ, FBI, DOD, DHS or any third party auditor
                 appointed under the terms of Section 5.8 below.

     3.13.  Qualification of Principal Network and Security Officers. New GX
     shall employ a Head of Network Operations and a Head of Global Security for
     Domestic Communications Companies. Within thirty (30) days after the
     Effective Date, New GX shall notify the DOJ, FBI, DOD and DHS of the
     identities of the Head of Network Operations and the Head of Global
     Security. The Head of Network Operations and the Head of Global Security,
     and any designee of the Head of Global Security who serves as the Security
     Officer under Section 3.10, shall be resident citizens of the United States
     who, if not already in possession of U.S. security clearances, shall apply
     for U.S. security clearances pursuant to Executive Order 12968 immediately
     upon their appointment; who are subject to the screening requirements of
     Section 3.12 of this Agreement; and whose appointment to the position is
     not objected to by the DOJ, the FBI, DOD and DHS within ten (10) days of
     receiving notice thereof. If the Head of Network Operations, the Head of
     Global Security, or any designee of the Head of Global Security who serves
     as the Security Officer under Section 3.10, does not already possess a U.S.
     security clearance, he or she may nevertheless serve in that position,
     subject to DOJ, FBI, DOD and DHS approval, pursuant to an interim security
     clearance. New GX shall have the right to remove the Head of Network
     Operations or the Head of Global Security at any time and to appoint a
     replacement, subject to the terms of this Section. New GX shall promptly
     appoint a person who meets the qualifications of this Section to fill any
     such vacancy, and shall promptly notify the DOJ, FBI, DOD, and DHS in
     writing of such appointment. In no event shall a vacancy for the position
     of Head of

<PAGE>
                                                                         Page 17

     Network Operations or Head of Global Security exist for a period of more
     than ninety (90) days before New GX appoints a qualified candidate to fill
     such vacancy.

     3.14.  Qualification of General Counsel and Head of Human Resources. Within
     thirty (30) days after the Effective Date, New GX shall notify DOJ, FBI,
     DHS and DOD of the identities of the Human Resources executive responsible
     for hiring and screening and the General Counsel. The Human Resources
     executive responsible for hiring and screening and the General Counsel
     shall be resident citizens of the United States who, if not already in
     possession of U.S. security clearances, shall apply for U.S. security
     clearances pursuant to Executive Order 12968 immediately upon their
     appointment; who are subject to the screening requirements of Section 3.12
     of this Agreement; and whose appointment to the position is not objected to
     by the DOJ, the FBI, DOD or DHS within ten (10) days of receiving notice
     thereof. If the Human Resources executive responsible for hiring and
     screening or the General Counsel does not already possess a U.S. security
     clearance, he or she may nevertheless serve in that position, subject to
     DOJ, FBI, DOD and DHS approval, pursuant to an interim security clearance.
     New GX shall have the right to remove the Human Resources executive
     responsible for hiring and screening and the General Counsel at any time
     and to appoint a replacement, subject to the terms of this Section. New GX
     shall promptly appoint a person who meets the qualifications of this
     Section to fill any such vacancy, and shall promptly notify the DOJ, FBI,
     DOD, and DHS in writing of such appointment. In no event shall a vacancy
     for the position of Human Resources executive responsible for hiring and
     screening or General Counsel exist for a period of more than ninety (90)
     days before New GX appoints a qualified candidate to fill such vacancy.

     3.15.  Establishment of Security Committee of New GX Board. The New GX
     Board shall establish a Security Committee to oversee security matters
     within Domestic Communications Companies. The Security Committee shall be
     comprised solely of directors ("Security Directors") who are U.S. citizens;
     who, if not already in possession of U.S. security clearances, shall apply
     for U.S. security clearances pursuant to Executive Order 12968 immediately
     upon their appointment to the Security Committee; and who satisfy the
     independent director requirements of the New York Stock Exchange. If a
     Security Director does not already possess a U.S. security clearance, he or
     she may nevertheless serve as Security Director, subject to DOJ, FBI, DOD
     and DHS approval, pursuant to an interim security clearance. The Security
     Committee shall supervise and report to the full New GX Board on all
     matters related to security, including implementation of this Agreement,
     consistent with their obligation to keep such information confidential. To
     perform its function, the Security Committee shall, among other things,
     receive reports from the Head of Global Security on New GX's compliance
     with this Agreement, and also shall receive a summary of any report issued
     pursuant to this Agreement, including reports made in connection with
     audits conducted pursuant to Section 5.8 of this Agreement and the annual
     report on compliance issued pursuant to Section 5.11 of this Agreement. The
     Security Committee shall, in turn, provide general reporting to the full
     New GX Board on New GX's compliance with this Agreement.

     3.16.  Number and Notice of Appointment of Security Directors. Subject to
     Section 3.20 below, fifty (50) percent of the members of the New GX Board
     nominated by ST Telemedia and elected to the New GX Board shall be Security
     Directors. Notice of the

<PAGE>
                                                                         Page 18

     proposed appointment of a Security Director shall be provided in writing to
     the DOJ, FBI, DOD and DHS by New GX. The DOJ, FBI, DOD and DHS shall have
     the opportunity to review and disapprove the appointment of a Security
     Director within thirty (30) days of receiving notice of the proposed
     appointment. If the DOJ, FBI, DOD or DHS objects to the appointment of an
     individual as Security Director within the 30-day timeframe, the
     appointment of that individual shall be rescinded and a different candidate
     shall be appointed.

     3.17.  Approval of Acquisition. Acquiring or upgrading network hardware
     (e.g., routers, switches, servers and network transmission capability) and
     network operating systems software requires prior approval of a Security
     Director, unless subject to other procedures pursuant to a policy to be
     negotiated with DHS. That policy may provide for simplified procedures for
     non-sensitive acquisitions and upgrades (e.g., vetting by the Head of
     Network Operations).

     3.18.  Participation of Security Directors in Committees of the Board of
     New GX. A quorum for a meeting of the New GX Board or any committee of the
     New GX Board shall require at least one Security Director, unless the
     issues addressed at such meeting in no respect address or affect the
     obligations of New GX under this Agreement. In the event that the New GX
     Board or any committee of the New GX Board must address at a meeting, for
     reasons of exigent circumstances, an issue related to or affecting the
     obligations of New GX under this Agreement, and all Security Director
     positions are vacant at the time of such a meeting, the absence of the
     Security Director will not prevent the formation of a quorum provided that
     the Security Officer of New GX attends the meeting.

     3.19.  Attendance of Security Directors at Board Meetings of Domestic
     Communications Companies. A meeting of the board of a Domestic
     Communications Company or of a board committee of a Domestic Communications
     Company shall not occur without a Security Director in attendance, whether
     as a member or as an observer, unless the issues addressed at such meeting
     in no respect address or affect the obligations of the Domestic
     Communications Company under this Agreement. In the event that the board of
     a Domestic Communications Company or a board committee of a Domestic
     Communications Company must address at a meeting, for reasons of exigent
     circumstances, an issue related to or affecting the obligations of the
     Domestic Communications Company under this Agreement, and all Security
     Director positions are vacant at the time of such a meeting, the absence of
     the Security Director will not prevent the meeting provided that the
     Security Officer of New GX attends the meeting.

     3.20.  Removal of Security Directors. Any Security Director may be removed
     for any reason permitted by the provisions of applicable law or under the
     charter of New GX, provided that:

          (i)    the removal of a Security Director shall not become effective
                 until that Security Director, DOJ, the FBI, DOD and DHS have
                 received written notification, a successor who is qualified to
                 become a Security Director within the terms of this Agreement
                 is selected, DOJ, the FBI, DOD and DHS receive written notice
                 of such selection under the terms of this Agreement, and DOJ,
                 the FBI, DOD or

<PAGE>

                                                                         Page 19

                 DHS do not object to the proposed Security Director within
                 thirty (30) days of such notice; and

          (ii)   notification to DOJ, the FBI, DOD and DHS of the removal of a
                 Security Director shall be the responsibility of the General
                 Counsel of New GX.

     Notwithstanding the foregoing, however, if immediate removal of any
     Security Director is deemed necessary to prevent actual or possible
     violation of any statute or regulation or actual or possible damage to New
     GX, the Security Director may be temporarily suspended, pending written
     notification to the FBI, DOJ, DOD and DHS, and removed upon the approval of
     the removal by the FBI, DOJ, DOD and DHS. The written notification to DOJ,
     FBI, DOD and DHS shall set forth the reasons for the removal if such
     reasons are related to the performance of this Agreement In the event of
     any vacancy in the position of Security Director, however occurring, New GX
     will give prompt written notice of such vacancy to DOJ, the FBI, DOD and
     DHS through the General Counsel of New GX, or if that position is vacant,
     through the Chief Operating Officer of New GX. New GX shall promptly
     nominate a person who meets the qualifications in Section 3.15 to fill such
     vacancy, and shall promptly notify DOJ, the FBI, DOD and DHS in writing of
     such nomination. In no event shall a vacancy for the position of Security
     Director exist for a period of more than ninety (90) days before New GX
     nominates a qualified candidate to fill such vacancy.

     3.21.  Indemnification of Security Directors. New GX shall indemnify and
     hold harmless each Security Director from any and all claims arising from,
     or in any way connected to, his or her performance as a Security Director
     under the Agreement except for his or her own individual gross negligence
     or willful misconduct. New GX shall advance fees and costs incurred in
     connection with the defense of such claim. New GX may purchase insurance to
     cover this indemnification.

     3.22.  Operational Control of New GX Network. Except to the extent and
     under conditions concurred in by the FBI, DOJ, DOD and DHS in writing,
     operational control of the Domestic Communications Infrastructure will be
     restricted to the New GX Network Operating Centers located in the United
     States.

     3.23.  Security Standards and Practices, and Consultations with U.S.
     Government. Domestic Communications Companies will maintain or exceed
     security standards and practices utilized within the U.S.
     telecommunications industry and will consult with the DOJ and other
     appropriate U.S. government agencies on steps to maintain or exceed such
     standards and practices.

     3.24.  Notice of Obligations. Domestic Communications Companies shall
     instruct appropriate officials, employees, contractors, and agents as to
     the security restrictions and safeguards imposed by this Agreement,
     including the reporting requirements in Sections 5.5, 5.6, and 5.7 of this
     Agreement, and shall issue periodic reminders to them of such obligations.

     3.25.  Access to Classified, Controlled Unclassified, or Sensitive
     Information. Nothing contained in this Agreement shall limit or affect the
     authority of a U.S. government agency

<PAGE>

                                                                         Page 20

     to deny, limit or revoke Domestic Communications Companies' access to
     Classified, Controlled Unclassified, and Sensitive Information under that
     agency's jurisdiction.

                              ARTICLE 4: DISPUTES

     4.1.   Informal Resolution. The Parties shall use their best efforts to
     resolve any disagreements that may arise under this Agreement.
     Disagreements shall be addressed, in the first instance, at the staff level
     by the Parties' designated representatives. Any disagreement that has not
     been resolved at that level shall be submitted promptly to the General
     Counsel of New GX, the General Counsel of the FBI, and the Deputy Attorney
     General, Criminal Division, DOJ, the General Counsel of DOD, and the
     General Counsel of DHS or their designees, unless the FBI, DOJ, DOD or DHS
     believes that important national interests can be protected, or a Domestic
     Communications Company believes that its paramount commercial interests can
     be resolved, only by resorting to the measures set forth in Section 4.2 of
     this Agreement. If, after meeting with higher authorized officials, any of
     the Parties determines that further negotiation would be fruitless, then
     that Party may resort to the remedies set forth in Section 4.2 of this
     Agreement. If resolution of a disagreement requires access to Classified
     Information, the Parties shall designate a person or persons possessing the
     appropriate security clearances for the purpose of resolving that
     disagreement.

     4.2.   Enforcement of Agreement. Subject to Section 4.1 of this Agreement,
     if any of the Parties believes that any other of the Parties has breached
     or is about to breach this Agreement, that Party may bring an action
     against the other Party for appropriate judicial relief. Nothing in this
     Agreement shall limit or affect the right of a U.S. government agency to:

          (i)    require that the Party or Parties believed to have breached, or
                 about to breach, this Agreement cure such breach within thirty
                 (30) days upon receiving written notice of such breach;

          (ii)   request that the FCC modify, condition, revoke, cancel or
                 render null and void any license, permit, or other
                 authorization granted or given by the FCC to Domestic
                 Communications Companies, or request that the FCC impose any
                 other appropriate sanction, including but not limited to a
                 forfeiture or other monetary penalty, against Domestic
                 Communications Companies;

          (iii)  seek civil sanctions for any violation by New GX or Domestic
                 Communications Companies of any U.S. law or regulation or term
                 of this Agreement;

          (iv)   pursue criminal sanctions against New GX or Domestic
                 Communications Companies, or any director, officer, employee,
                 representative, or agent of Domestic Communications Companies,
                 or against any other person or entity, for violations of the
                 criminal laws of the United States; or

          (v)    seek suspension or debarment of New GX or Domestic
                 Communications Companies from eligibility for contracting with
                 the U.S. government.

<PAGE>

                                                                         Page 21

     4.3.   Irreparable Injury. New GX agrees that the United States would
     suffer irreparable injury if for any reason a Domestic Communications
     Company failed to perform any of its material obligations under this
     Agreement, and that monetary relief would not be an adequate remedy.
     Accordingly, New GX agrees that, in seeking to enforce this Agreement
     against Domestic Communications Companies, the FBI, DOJ, DOD and DHS shall
     be entitled, in addition to any other remedy available at law or equity, to
     specific performance and immediate injunctive or other equitable relief.
     The obligations in Section 5.5 or 5.6 are material for the purpose of this
     Section. (Listing these sections does not imply that obligations in other
     sections are not material).

     4.4.   Waiver. The availability of any civil remedy under this Agreement
     shall not prejudice the exercise of any other civil remedy under this
     Agreement or under any provision of law, nor shall any action taken by a
     Party in the exercise of any remedy be considered a waiver by that Party of
     any other rights or remedies. The failure of any Party to insist on strict
     performance of any of the provisions of this Agreement, or to exercise any
     right they grant, shall not be construed as a relinquishment or future
     waiver; rather, the provision or right shall continue in full force. No
     waiver by any Party of any provision or right shall be valid unless it is
     in writing and signed by the Party.

     4.5.   Forum Selection. It is agreed by and among the Parties that a civil
     action among the Parties for judicial relief with respect to any dispute or
     matter whatsoever arising under, in connection with, or incident to, this
     Agreement shall be brought, if at all, in the United States District Court
     for the District of Columbia.

     4.6.   Effectiveness of Article 4. This Article 4, and the obligations
     imposed and rights conferred herein, shall be effective upon the execution
     of this Agreement by all the Parties.

                ARTICLE 5: AUDITING, REPORTING, NOTICE AND LIMITS

     5.1.   Filings re de jure or de facto control of a Domestic Communications
     Company. If any Domestic Communications Company makes any filing with the
     FCC or any other Governmental Authority relating to the de facto or de jure
     control of a Domestic Communications Company except for filings with the
     FCC for assignments or transfers of control to any Domestic Communications
     Company that are pro forma, New GX shall promptly provide to the FBI, DOJ,
     DOD and DHS written notice and copies of such filing. This Section 5.1 is
     effective upon execution of this Agreement by all the Parties.

     5.2.   Control of New GX. If any member of the Security Committee or of the
     senior management of New GX or a Domestic Communications Company (including
     the Chief Executive Officer, President, General Counsel, Chief Technical
     Officer, Chief Financial Officer, Head of Network Operations, Head of
     Global Security, Security Officer, or other senior officer) acquires any
     information that reasonably indicates that any single foreign entity or
     individual, other than ST Telemedia has obtained or will likely obtain an
     ownership interest (direct or indirect) in New GX or a Domestic
     Communications Company above ten (10) percent, as determined in accordance
     with 47 C.F.R. Section 63.09, or if any single foreign entity or individual
     has gained or will likely otherwise gain either (1) Control or (2) de facto
     or de jure control of New GX or a Domestic Communications Company, then

<PAGE>

                                                                         Page 22

     such member shall promptly cause to be notified the Security Officer or a
     Security Director, who in turn, shall promptly notify the DOJ, FBI, DOD an
     d DHS in writing. Notice under this section shall, at a minimum:

          (i)    Identify the entity or individual(s) (specifying the name,
                 addresses and telephone numbers of the entity);

          (ii)   Identify the beneficial owners of the increased or prospective
                 increased interest in New GX or a Domestic Communications
                 Company by the entity or individual(s) (specifying the name,
                 addresses and telephone numbers of each beneficial owner); and

          (iii)  Quantify the amount of ownership interest in New GX or a
                 Domestic Communications Company that has resulted in or will
                 likely result in the entity or individual(s) increasing the
                 ownership interest in or control of New GX or a Domestic
                 Communications Company.

     5.3.   Joint Ventures. A Domestic Communications Company may have entered
     into or may enter into joint ventures under which the joint venture or
     entity may provide Domestic Communications.

          (i)    To the extent that such Domestic Communications Company does
                 not have de facto or de jure control over a joint venture or
                 entity, such Domestic Communications Company shall in good
                 faith (a) notify such entity of this Agreement and its
                 purposes, (b) endeavor to have such entity comply with this
                 Agreement as if it were a Domestic Communications Company, and
                 (c) consult with the DOJ, FBI, DOD or DHS about the activities
                 of such entity. Nothing in this Section 5.3 shall be construed
                 to relieve Domestic Communications Companies of obligations
                 under Article 2 of this Agreement.

          (ii)   If a Domestic Communications Company enters into joint venture
                 under which the joint venture or entity may provide Domestic
                 Communications or transmission, switching, bridging, routing
                 equipment (including software and upgrades), facilities used to
                 provide, process, direct, control, supervise or manage Domestic
                 Communications, the Domestic Communications Company must
                 provide DHS with notice no later than 30 days before the joint
                 venture offers Domestic Communications service. DHS will have
                 30 days from receipt of the notice to review and provide the
                 Domestic Communications Company with any objection to the joint
                 venture. Any objection shall be based on national security, law
                 enforcement or public safety grounds. If the DHS objects, the
                 joint venture shall not offer Domestic Communications service.

     5.4.   Outsourcing. A Domestic Communications Company shall not outsource
     functions covered by this Agreement to an entity that is not a Domestic
     Communications Company except pursuant to an outsourcing policy to be
     negotiated with DHS. Such policy shall include prior notice of the proposed
     outsourcing and the right of DHS to object within thirty (30) days to the
     proposed outsourcing; the parties may agree in the outsourcing policy

<PAGE>

                                                                         Page 23

     to exclude classes of outsourcing contracts of a routine and nonsensitive
     nature from this notice and approval requirement. Further:

          (i)    the Domestic Communications Company shall ensure that the
                 entity complies with the applicable terms of this Agreement.

          (ii)   the Domestic Communications Company shall include in its
                 contracts with any such entities written provisions requiring
                 that such entities comply with all applicable terms of this
                 Agreement (and otherwise ensure that such entities are aware
                 of, agree to, and are bound to comply with the applicable
                 obligations of this Agreement);

          (iii)  the Domestic Communications Company shall notify the DOJ, FBI,
                 DOD and DHS within thirty (30) days of contracting out
                 operation of the Domestic Communications Infrastructure to an
                 entity that is not a Domestic Communications Company, which
                 notice shall identify the name of the entity and the nature of
                 the contract;

          (iv)   if the Domestic Communications Company learns that the entity
                 or the entity's employee has violated an applicable provision
                 of this Agreement, the Domestic Communications Company will
                 notify the DOJ, FBI, DOD and DHS promptly; and

          (v)    with consultation and, as appropriate, cooperation with DOJ,
                 FBI, DOD and DHS, the Domestic Communications Company will take
                 reasonable steps necessary to rectify promptly the situation,
                 which steps may (among others) include terminating the
                 arrangement with the entity, including after notice and
                 opportunity for cure, and/or initiating and pursuing litigation
                 or other remedies at law and equity.

     Peering, interconnection and purchase of local access service shall not
     constitute outsourced functions for purposes of this Agreement.

     5.5.   Notice of Foreign Influence. If any member of the Security Committee
     or of the senior management of New GX or a Domestic Communications Company
     (including the Chief Executive Officer, President, General Counsel, Chief
     Technical Officer, Chief Financial Officer, Head of Network Operations,
     Head of Global Security, Security Officer, or other senior officer)
     acquires any information that reasonably indicates that any foreign
     government, any foreign government-controlled entity, or any foreign
     entity:

          (i)    plans to participate or has participated in any aspect of the
                 day-to- day management of New GX or a Domestic Communications
                 Company in such a way that interferes with or impedes the
                 performance by New GX or a Domestic Communications Company of
                 its duties and obligations under the terms of this Agreement,
                 or interferes with or impedes the exercise by New GX or a
                 Domestic Communications Company of its rights under this
                 Agreement, or

<PAGE>

                                                                         Page 24

          (ii)   plans to exercise or has exercised, as a direct or indirect
                 shareholder of New GX or a Domestic Communications Company or
                 their subsidiaries, any Control of New GX or a Domestic
                 Communications Company in such a way that interferes with or
                 impedes the performance by New GX or a Domestic Communications
                 Company of its duties and obligations under the terms of this
                 Agreement, or interferes with or impedes the exercise by New GX
                 or a Domestic Communications Company of its rights under the
                 terms of this Agreement, or in such a way that foreseeably
                 concerns New GX's or a Domestic Communications Company's
                 obligations under this Agreement,

     then such member shall promptly cause to be notified the Security Officer
     or a Security Director, who in turn, shall promptly notify the FBI, DOJ,
     DOD and DHS in writing of the timing and the nature of the foreign
     government's or entity's plans and/or actions.

     5.6.   Reporting of Incidents. New GX and Domestic Communications Companies
     shall take practicable steps to ensure that, if any New GX or Domestic
     Communications Company officer, director, employee, contractor or agent
     acquires any information that reasonably indicates: (a) a breach of this
     Agreement; (b)access to or disclosure of Domestic Communications, or the
     conduct of Electronic Surveillance, in violation of Federal, state or local
     law or regulation; (c) access to or disclosure of CPNI or Subscriber
     Information in violation of Federal, state or local law or regulation
     (except for violations of FCC regulations relating to improper commercial
     use of CPNI); or (d) improper access to or disclosure of Classified,
     Sensitive, or Controlled Unclassified Information, then the individual will
     notify the Security Officer or a Security Director, who will in turn notify
     the FBI, DOJ, DOD and DHS in the same manner as specified in Section 5.5.
     This report shall be made promptly and in any event no later than ten (10)
     c alendar days after New GX or the Domestic Communications Company acquires
     information indicating a matter described in this Section 5.6(a)-(d) of
     this Agreement. New GX and the Domestic Communications Companies shall
     lawfully cooperate in investigating the matters described in this section
     of this Agreement. New GX or the Domestic Communications Company need not
     report information where disclosure of such information would be in
     violation of an order of a court of competent jurisdiction in the United
     States.

     5.7.   Non-Retaliation. New GX and each Domestic Communications Company
     shall, by duly authorized action of its respective Board of Directors,
     adopt and distribute an official corporate policy that strictly prohibits
     New GX or a Domestic Communications Company from discriminating or taking
     any adverse action against any officer, director, employee, contractor or
     agent because he or she has in good faith initiated or attempted to
     initiate a notice or report under Sections 5.2, 5.5 or 5.6 of this
     Agreement, or has notified or attempted to notify directly the Security
     Officer or a Security Director named in the policy to convey information
     that he or she believes in good faith would be required to be reported to
     the FBI, DOJ, DOD and DHS by the Security Officer or a Security Director
     under Sections 5.2, 5.5 or 5.6 of this Agreement. Such corporate policy
     shall set forth in a clear and prominent manner the contact information for
     the Security Officer or one or more Security Directors to whom such
     contacts may be m ade directly by any officer, director, employee,
     contractor or agent for the purpose of such report or notification. Any
     violation

<PAGE>

                                                                         Page 25

     by New GX or a Domestic Communications Company of any material term of such
     corporate policy shall constitute a breach of this Agreement.

     5.8.   Third Party Audits. New GX shall retain and pay for a neutral third
     party to audit objectively on an annual basis its compliance with agreed
     elements of this Agreement. New GX shall provide notice of its selected
     auditor to the DOJ, FBI, DOD and DHS, and the DOJ, FBI, DOD and DHS shall
     be able to review and approve or disapprove the selected auditor and terms
     of reference for that auditor within thirty (30) days of receiving notice.
     In addition, New GX shall provide to the DOJ, FBI, DOD and DHS a copy of
     its contract with the third party auditor, which shall include terms
     defining the scope and purpose of the audits. The DOJ, FBI, DOD and DHS
     shall have the right to review and approve the terms defining the scope and
     purpose of the audits. Through its contract with the third party auditor,
     New GX shall ensure that all reports generated by the auditor are provided
     promptly to the DOJ, FBI, DOD and DHS. Domestic Communications Companies
     also will provide the DOJ, FBI, DOD and DHS with access to facilities ,
     information, and personnel consistent with Sections 5.9 and 5.10 below in
     the event that the DOJ, FBI, DOD or DHS wishes to conduct its own audit of
     a Domestic Communication Company. The terms defining the scope and purpose
     of the audits shall include, at a minimum, the following:

          (i)    Development of an initial vulnerability and risk assessment
                 based on this Agreement, and a detailed audit work plan based
                 on such assessment, which work plan will be subject to review
                 and approval by the DOJ, the FBI, DOD and the DHS;

          (ii)   Authority for the auditor to review and analyze of New GX
                 policies and procedures designed to implement this Agreement;

          (iii)  Authority for the auditor to review and analyze relevant
                 information related to the configuration of the New GX network;

          (iv)   The Head of Network Operations will report periodically on
                 technical advancements that enhance compliance with this
                 Agreement;

          (v)    Authority for the auditor to review and analyze minutes of New
                 GX Board and other Board Committee meetings held in accordance
                 with the terms of this Agreement;

          (vi)   Authority for the auditor to review and analyze Security
                 Director and Security Officer logs and records including, but
                 not limited to, records relating to facility visits, employee
                 screening data and any reports submitted in accordance with
                 Section 5.6 of this Agreement;

          (vii)  Authority for the auditor to conduct a reasonable number of
                 unannounced inspections of New GX Network Operating Centers and
                 other key facilities each year.

<PAGE>

                                                                         Page 26

          (viii) Authority for the auditor to conduct a reasonable volume of
                 random testing of network firewalls, access points and other
                 systems for potential vulnerabilities; and

          (ix)   Authority for the auditor to conduct a reasonable number of
                 confidential interviews of New GX employees concerning
                 compliance with this Agreement.

     5.9.   Access to Information and Facilities. FBI, DOJ, DOD and DHS may
     visit with thirty (30) minutes notice, any part of Domestic Communications
     Companies' Domestic Communications Infrastructure and security offices to
     conduct on-site reviews concerning the implementation of the terms of this
     Agreement and may at any time require unimpeded access to information
     concerning technical, physical, management, or other security measures
     needed by the FBI, DOJ, DOD or DHS to verify compliance with the then-
     effective terms of this Agreement. Within sixty (60) days of the Effective
     Date, the parties will develop procedures for implementation of this
     Section 5.9.

     5.10.  Access to Personnel. Upon reasonable notice from the FBI, DOJ, DHS
     or DOD Domestic Communications Companies will make available for interview
     officers or employees of Domestic Communications Companies, and will
     require contractors to make available appropriate personnel located in the
     United States who are in a position to provide information to verify
     compliance with the then-effective terms of this Agreement.

     5.11.  Annual Report. On or before the last day of January of each year,
     the Head of Global Security shall submit to the FBI, DOJ, DOD and DHS a
     report assessing Domestic Communications Companies' compliance with the
     terms of this Agreement for the preceding calendar year. The report shall
     include:

          (i)    a copy of all audit reports compiled by the third party auditor
                 conducted pursuant to Section 5.8 of this Agreement;

          (ii)   a copy of the policies and procedures adopted to comply with
                 this Agreement;

          (iii)  a summary of the changes, if any, to the policies or
                 procedures, and the reasons for those changes;

          (iv)   a summary of any known acts of material noncompliance with the
                 terms of this Agreement, whether inadvertent or intentional,
                 with a discussion of what steps have been or will be taken to
                 prevent such acts from occurring in the future; and

          (v)    identification of any other issues that, to Domestic
                 Communications Companies' knowledge, will or reasonably could
                 affect the effectiveness of or compliance with this Agreement.

     New GX and all Domestic Communications Companies shall make available to
     the Security Officer, in a timely fashion, all information necessary to
     complete the report required by this Section.

<PAGE>

                                                                         Page 27

     5.12.  Notice of Establishment of Additional Network Operating Centers. In
     the event New GX establishes a new Network Operating Center, New GX shall
     provide prior written notice of such establishment to the DOJ, FBI, DOD and
     DHS at least ninety (90) days prior to the commencement of operations of
     such Network Operating Center.

     5.13.  Information and Reports Concerning Network Architecture. New GX
     shall provide to the DOJ, FBI, DHS and DOD, on a quarterly basis, the
     following information regarding the interconnections and control of the
     Domestic Communications Infrastructure: (i) A description of the plans,
     processes and/or procedures, relating to network management operations,
     that prevent the Domestic Communications Infrastructure from being accessed
     or controlled from outside the United States.

          (ii)   A description of the placement of Network Operations Centers
                 and interconnection (for service offload or administrative
                 activities) to other domestic and international carriers, ISPs
                 and critical U.S. financial, energy, and transportation
                 infrastructures.

          (iii)  A description of New GX's IP networks and operations processes,
                 procedures for management control and relation to the backbone
                 infrastructures of other service providers.

          (iv)   A description of any unique or proprietary control mechanisms
                 of New GX as well as of New GX's operating and administrative
                 software.

          (v)    A report of Network Management Information that includes an
                 assurance that network performance satisfies FCC rules and
                 reporting requirements.

     New GX shall promptly report any material changes, upgrades and/or
     modifications to the items described in (i) - (v) above, including the
     installation of critical equipment and software. For the purposes of this
     section, critical equipment and software shall include: routers, switches,
     gateways, network security appliances, network management/test equipment,
     operating systems and network and security software (including new
     versions, patches, upgrades, and replacement software), and other hardware,
     software, or systems performing similar functions. Monitors, desktop
     computers, desktop computer applications, disk drives power supplies,
     printers, racks and the like are not "critical equipment or software"
     unless they perform functions similar to those of the items described in
     (i) - (v) above. Similarly, "material" shall refer to those changes,
     modifications and upgrades that alter network operating characteristics or
     architecture--it does not apply to spare parts replacement, the one-for-one
     swapping of identical equipment or the related re-loading of system
     software or backups; provided, however, that network security configuration
     and capabilities remain unchanged.

     5.14.  Notices. Effective upon execution of this Agreement by all the
     Parties, all notices and other communications given or made relating to
     this Agreement, such as a proposed modification, shall be in writing and
     shall be deemed to have been duly given or made as of the date of receipt
     and shall be (a) delivered personally, or (b) sent by facsimile, or (except
     as noted below) (c) sent by documented overnight courier service, or (d)
     sent by registered

<PAGE>

                                                                         Page 28

     or certified mail, postage prepaid, addressed to the Parties' designated
     representatives at the addresses shown below, or to such other
     representatives at such others addresses as the Parties may designate in
     accordance with this Section:

     Department of Justice
     Assistant Attorney General
     Criminal Division
     Main Justice
     950 Pennsylvania Avenue, N.W.
     Washington, DC 20530

     Federal Bureau of Investigation
     General Counsel
     935 Pennsylvania Avenue, N.W.
     Washington, DC 20535

     Department of Defense

     Office of General Counsel
     Attn: Deputy General Counsel
      for Acquisition and Logistics
     The Pentagon, Room 3D973
     1600 Defense Pentagon
     Washington, DC 20301-1600

     Department of Homeland Security
     Washington, D.C. 20528
     Attn: General Counsel, Office of the General Counsel
     Telephone: 202-692-4237
     Fax: 202-282-8415
     (By Personal Delivery or E-mail Only)

     Global Crossing Ltd.
     200 Park Avenue, Third Floor
     Florham Park, NJ 07932
     Attn:   General Counsel
     Telephone: (973)937-0312
     Fax: (973)360-0538

     GC Acquisition Limited
     200 Park Avenue, Third Floor
     Florham Park, NJ 07932
     Attn:   General Counsel
     Telephone: (973)937-0312
     Fax: (973)360-0538

<PAGE>

                                                                         Page 29

     Singapore Technologies Telemedia Pte Ltd
     51 Cuppage Road
     #10-11/17, StarHub Centre
     Singapore 229469
     Attn:   General Counsel
     Telephone: (65)6723-8777
     Fax: (65)6720-7277]

With a copy to:

     GC Acquisition Limited
     Wessex House, 1st Floor
     45 Reid Street
     Hamilton HM 12, Bermuda

     Federal Bureau of Investigation
     The Assistant Director
     National Security Division
     935 Pennsylvania Avenue, N.W.
     Washington, DC 20535

                     ARTICLE 6: FREEDOM OF INFORMATION ACT

     6.1.   Protection from Disclosure. The DOJ, FBI, DOD and DHS shall take all
     reasonable measures to protect from public disclosure all information
     submitted by a Domestic Communications Company or other entities in
     accordance with the terms of this Agreement to the DOJ, FBI, DOD or DHS in
     connection with this Agreement and clearly marked with the legend "Business
     Confidential; subject to protection under 5 U.S.C. Section 552(b); not to
     be released without notice to the filing party" or similar-designation.
     Such markings shall signify that it is the company's position that the
     information so marked constitutes "trade secrets" and/or "commercial or
     financial information obtained from a person and privileged or
     confidential," or otherwise warrants protection within the meaning of 5
     U.S.C. Section 552(b)(4). For the purposes of 5 U.S.C. Section 552(b)(4),
     the Parties agree the information so marked is voluntarily submitted. If a
     request is made under 5 U.S.C. Section 552(a)(3) for information so marked,
     and disclosure of any information (including disclosure in redacted form)
     is contemplated, the DOJ, FBI, DOD or DHS, as appropriate, shall notify the
     company of the intended disclosure as provided by executive Order 12600, 52
     Fed. Reg. 23781 (June 23, 1987). If the Domestic Communications Company
     objects to the intended disclosure and its objections are not sustained,
     the DOJ, FBI, DOD or DHS, as appropriate, shall notify the company of its
     intention to release (as provided by Section 5 of Executive Order 12600)
     not later than five business days prior to disclosure of the challenged
     information. The Parties note that information submitted by Domestic
     Communications Company or other entities in accordance with the terms of
     this Agreement may be protected from disclosure under the Critical
     Information Infrastructure Act of 2002.

     6.2.   Use of Information for U.S. Government Purposes. Nothing in this
     Agreement shall prevent the FBI, DOJ, or DHS from lawfully disseminating
     information as

<PAGE>

                                                                         Page 30

     appropriate to seek enforcement of this Agreement, or from lawfully sharing
     information as appropriate with other Federal, state, or local government
     agencies to protect public safety, law enforcement, or national security
     interests, provided that the FBI, DOJ, DOD or DHS, take all reasonable
     measures to protect from public disclosure the information marked as
     described in Section 6.1.

     6.3.   Unlawful Disclosure of Information. The DOJ, FBI, DOD or DHS,
     acknowledge that officers and employees of the United States and of any
     department or agency thereof are subject to liability under 18 U.S.C.
     Section 1905 for unlawful disclosure of information provided to them by
     other Parties to this Agreement.

                       ARTICLE 7: FCC CONDITION AND CFIUS

     7.1.   FCC Approval. Upon the execution of this Agreement by all the
     Parties. the DOJ, FBI, DOD or DHS shall promptly notify the FCC that,
     provided the FCC adopts a condition substantially the same as set forth in
     Exhibit A attached hereto (the "Condition to FCC Authorization"), the DOJ,
     FBI, DOD and DHS have no objection to the FCC's grant of the applications
     filed with the FCC in FCC IB Docket No. 02-286. This Section 7.1 is
     effective upon execution of this Agreement by all the Parties.

     7.2.   Future Applications. New GX agrees that, in any application or
     petition by any Domestic Communications Company to the FCC for licensing or
     other authority filed with or granted by the FCC after the Effective Date,
     except with respect to pro forma assignments or pro forma transfers of
     control, the Domestic Communications Company Shall request that the FCC
     condition the grant of such licensing or other authority on compliance with
     the terms of this Agreement. Notwithstanding Section 8.10, the FBI, the
     DOJ, DOD and DHS reserve the right to object, formally or informally, to
     the grant of any other FCC application or petition of a Domestic
     Communications Company for a license or other authorization under Titles II
     or III of the Communications Act of 1934, as amended, and to seek
     additional or different terms that would, consistent with the public
     interest, address any threat to their ability to enforce the laws, preserve
     the national security, and protect the public safety raised by the
     transactions underlying such applications or petitions.

     7.3.   CFIUS. Provided that the FCC adopts the Condition to FCC
     Authorization, the Attorney General, the Secretary of Defense and the
     Secretary of Homeland Security shall not make any objection to the CFIUS or
     the President concerning ST Telemedia's investment in New GX or grant of
     the applications filed with the FCC in FCC IB Docket No. 02-286. This
     commitment, however, does not extend to any objection the Attorney General,
     the Secretary of Defense or the Secretary of Homeland Security may wish to
     raise with the CFIUS or the President in the event that(a) New GX fails to
     comply with the terms of this Agreement, (b) the Attorney General, the
     Secretary of Defense or the Secretary of Homeland Security learns that the
     representations of New GX made to the DOJ, the FBI, the DOD, the DHS or the
     FCC above are materially untrue or incomplete, (c) there is a material
     increase in the authority of a foreign entity to exercise Control of New GX
     or a Domestic Communications Company, or (d) there is any other material
     change in the circumstances associated with the transactions at issue.

<PAGE>

                                                                         Page 31

                                ARTICLE 8: OTHER

     8.1.   Role of GCL. GCL is a Party on account of its central role in both
     the negotiation of this Agreement and the establishment of New GX.
     Notwithstanding the foregoing, New GX and GCL stipulate that, upon the
     Effective Date, GCL will not Control New GX or any of the Domestic
     Communications Companies, and consequently will have no ability or
     obligation to ensure compliance by New GX or the Domestic Communications
     Companies after the Effective Date.

     8.2.   Obligations of New GX. New GX shall cause Domestic Communications
     Companies to comply with this Agreement and, where appropriate, shall act
     through its subsidiaries to discharge its obligations under this Agreement.

     8.3.   Right to Make and Perform Agreement. GCL, New GX and ST Telemedia
     each represent that they have and shall continue to have throughout the
     term of this Agreement the full right to enter into this Agreement and
     perform its obligations hereunder and that this Agreement is a legal,
     valid, and binding obligation of GCL, New GX and ST Telemedia enforceable
     in accordance with its terms.

     8.4.   Headings. The Article headings and numbering in this Agreement are
     inserted for convenience only and shall not affect the meaning or
     interpretation of the terms of this Agreement.

     8.5.   Other Laws. Nothing in this Agreement is intended to limit or
     constitute a waiver of (a) any obligation imposed by any U.S. Federal,
     state or local laws on GCL, New GX or any Domestic Communications Company,
     (b) any enforcement authority available under any U.S. or state laws, (c)
     the sovereign immunity of the United States, or (d) any authority the U.S.
     government may possess (including without limitation authority pursuant to
     International Emergency Economic Powers Act) over the activities of GCL,
     New GX or any Domestic Communications Company located within or outside the
     United States. Nothing in this Agreement is intended to or is to be
     interpreted to require the Parties to violate any applicable U.S. law.

     8.6.   Statutory References. All references in this Agreement to statutory
     provisions shall include any future amendments to such statutory
     provisions.

     8.7.   Non-Parties. Nothing in this Agreement is intended to confer or does
     confer any rights on any person other than the Parties and any Governmental
     Authorities entitled to effect Electronic Surveillance pursuant to Lawful
     U.S. Process.

     8.8.   Modifications. This Agreement may only be modified by written
     agreement signed by all of the Parties. The DOJ, FBI, DOD and DHS agree to
     consider in good faith and promptly possible modifications to this
     Agreement if GCL or the New GX believes that the obligations imposed on
     GCL, New GX or the Domestic Communications Companies under this Agreement
     are substantially more restrictive than those imposed on other U.S. and
     foreign licensed service providers in like circumstances in order to
     protect U.S. national security, law enforcement, and public safety
     concerns. Any substantial modifications to this

<PAGE>

                                                                         Page 32

     Agreement shall be reported to the FCC within thirty (30) days after
     approval in writing by the Parties.

     8.9.   Changes in Circumstances for New GX or Domestic Communications
     Companies. The DOD, FBI, DOD and DHS agree to negotiate in good faith and
     promptly with respect to any request by New GX or a Domestic Communications
     Company for relief from application of specific provisions of this
     Agreement: (a)if a Domestic Communications Company provides Domestic
     Communications solely through the resale of transmission or switching
     facilities owned by third parties, or (b)as regards future Domestic
     Communications Company activities or services, if those provisions become
     unduly burdensome or adversely affect New GX's or a Domestic Communications
     Company's competitive position.

     8.10.  Changes in Circumstances for the DOJ, FBI, DHS or the DOD. If after
     the date that all the Parties have executed this Agreement the DOJ, FBI,
     DOD or DHS finds that the terms of this Agreement are inadequate to address
     national security, law enforcement, or public safety concerns presented,
     then the other Parties will negotiate in good faith to modify this
     Agreement to address those concerns. In the event that improvements in
     technology may enhance the efficacy of this agreement to protect the
     national security, enforce the laws or protect the safety of the public,
     the parties will work promptly to amend the Agreement to implement such
     advances.

     8.11.  Periodic Review. To ensure that this Agreement and the policies
     implemented in furtherance of this Agreement continue to adequtely
     preserve the national security, law enforcement and public safety
     objectives, the terms of this Agreement and those policies shall be
     reviewed by the parties at least every 18 months from the Execution Date.

     8.12.  Sovereign Immunity. ST Telemedia stipulates that it operates as a
     commercial entity and its commercial operations are wholly separate from
     the government of the Republic of Singapore. Nevertheless, to resolve any
     ambiguity regarding its status as a commercial entity operating wholly
     separate from any governmental entity, ST Telemedia agrees that, to the
     extent that it or any of its property is or becomes entitled at any time to
     any immunity on the ground of sovereignty or otherwise base upon a status
     as an agency or instrumentality of government from any legal action, suit
     or proceeding or from setoff or counterclaim arising from compliance with
     this Agreement from the jurisdiction of any competent court from service of
     process, from attachment prior to judgment, from attachment in and of
     execution of a judgment from execution pursuant to a judgment or arbitral
     award, or from any other legal process in any jurisdiction, to the extent
     allowable by law, it, for itself and its property expressly, irrevocably
     and unconditionally waives, and agrees not to plead or claim, any immunity
     with respect to matters arising with respect to compliance with this
     Agreement or the obligations herein (including any obligation for the
     payment of money) in any proceeding brought by a Party. ST Telemedia agrees
     that the waiver in this provision is irrevocable and is not subject to
     withdrawal in any jurisdiction or under any statute, including the Foreign
     Sovereign Immunities Act, 28 U.S.C. section 1602 et seq. The foregoing
     waiver shall constitute a present waiver of immunity at any time any action
     is initiated by a Party with respect to or relating to this Agreement.

<PAGE>

                                                                         Page 33

     8.13.  Severability. The provisions of this Agreement shall be severable
     and if any provision thereof or the application of such provision under any
     circumstances is held invalid by a court of competent jurisdiction, it
     shall not affect any other provision of this Agreement or the application
     of any provision thereof.

     8.14.  Counterparts. This Agreement may be executed in one or more
     counterparts, including by facsimile, each of which shall together
     constitute one and the same instrument.

     8.15.  Successors and Assigns. This Agreement shall inure to the benefit
     of, and shall be binding upon, the Parties and their respective successors
     and assigns.

     8.16.  Effectiveness of Agreement. Except as otherwise specifically
     provided in the provisions of this Agreement, the obligations imposed and
     rights conferred by this Agreement shall take effect upon the Effective
     Date.

     8.17.  Termination of Agreement. If the Purchase Agreement is terminated
     prior to the Effective Date, GCL shall promptly provide written
     notification of such termination to the FBI, DOJ, DHS and DOD, and upon
     receipt of such written notice, this Agreement shall automatically
     terminate. After the Effective Date, this Agreement shall terminate upon
     thirty (30) days prior written notice from New GX to the FBI, DOJ, DHS and
     DOD, provided that at such time there is no Domestic Communications
     Company.

     8.18.  Suspension of Agreement With Respect to a Domestic Communications
     Company. This Agreement shall be suspended upon thirty (30) days notice to
     the DOJ, FBI, DOD and DHS with respect to any covered New GX entity if said
     entity is no longer a Domestic Communications Company.

     8.19.  Suspension of Agreement If No Significant Foreign Ownership. This
     Agreement shall be suspended in its entirety with respect to New GX and all
     Domestic Communications Companies thirty (30) days after receipt from New
     GX of notice and documentation reasonably satisfactory to the DOJ, FBI,
     DOD, and DHS that neither ST Telemedia nor any other foreign entity either
     Controls New GX or a Domestic Communications Company or holds, directly or
     indirectly, a ten (10) percent or greater interest in New GX or a Domestic
     Communications Company, unless the DOJ, FBI, DOD and DHS notify New GX
     within said thirty (30) day period that this Agreement shall not be
     suspended in order to protect U.S. national security, law enforcement, and
     public safety concerns. If this Agreement is not suspended pursuant to this
     provision, the DOJ, FBI, DOD and DHS agree to consider promptly and in good
     faith possible modifications to this Agreement. Notwithstanding anything to
     the contrary in this Section 8.19, this Agreement shall remain in effect
     with respect to New GX and the Domestic Communications Companies for so
     long as (and the obligations of New GX and the Domestic Communications
     Companies shall not be suspended and any suspension of the obligations of
     New GX and the Domestic Communications Companies shall terminate if) ST
     Telemedia or any other foreign entity shall either Control or hold, at any
     time does hold, or is a party to an agreement to hold, directly or
     indirectly, a ten (10) percent or greater ownership interest in New GX or
     any

<PAGE>

                                                                         Page 34

     Domestic Communications Company or any transferee or assignee of the FCC
     licenses or authorizations held by New GX or a Domestic Communications
     Company.

     8.20.  Pledging of Stock or Assets of Domestic Communications Companies.
     Nothing in this Agreement shall be intepreted to prevent New GX from
     pledging the stock or assets of any Domestic Communications Company in
     connection with the borrowing of funds and similar financial activities by
     New GX, nor shall such pledging of stock or assets excuse performance of
     the obligations in this Agreement by New GX or any Domestic Communications
     Company.

     8.21.  Effectiveness of Article 8. This Article 8, and the obligations
     imposed and rights conferred herein, shall be effective upon the execution
     of this Agreement by all the Parties.

This Agreement is executed on behalf of the Parties:

                                        Global Crossing Ltd.

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

                                        GC Acquisition Limited

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

                                        Singapore Technologies Telemedia Pte Ltd

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

                                        United States Department of Justice

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

                                        Federal Bureau of Investigation

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

<PAGE>

                                                                         Page 35

                                        United States Department of Defense

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

                                        United States Department of Homeland
                                        Security

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

<PAGE>

This Agreement is executed on behalf of the Parties:

                                        Global Crossing Ltd.

Date: Sept. 8, 2003                     By: /s/ John J. Legere
     -----------------                     -------------------------------------
                                        Printed Name: John J. Legere
                                        Title: Chief Executive Officer

                                        GC Acquisition Limited

Date: Sept. 8, 2003                     By: /s/ John J. Legere
     -----------------                     -------------------------------------
                                        Printed Name: John J. Legere
                                        Title: Attorney-in-Fact

                                        Singapore Technologies Telemedia Pte Ltd

Date: 8 September 2003                  By: /s/ Lee Theng Kiat
     -----------------                     -------------------------------------
                                        Printed Name: Lee Theng Kiat
                                        Title: President and Chief Executive
                                               Officer

                                        United States Department of Justice

Date: Sept. 23, 2003                    By: /s/ John G. Malcolm
     -----------------                     -------------------------------------
                                        Printed Name: John G. Malcolm
                                        Title: Deputy Assistant Attorney General

                                        Federal Bureau of Investigation

Date: Sept. 23, 2003                    By: /s/ Patrick W. Kelley
     -----------------                     -------------------------------------
                                        Printed Name: Patrick W. Kelley
                                        Title: Deputy General Counsel

                                        United States Department of Defense

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

                                        United States Department of Homeland
                                        Security

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

<PAGE>

                                                                         Page 35

                                        United States Department of Defense

Date:                                   By: /s/
     -----------------                      -----------------------------------
                                            Printed Name:
                                            Title:

                                        United States Department of Homeland
                                        Security

Date: 22 Sept. 2003                     By: /s/ Robert P. Liscovski
     -----------------                      -----------------------------------
                                            Printed Name: Robert P. Liscovski
                                            Title: Assistant Secretary for
                                                   (Illegible)

<PAGE>

                                                                         Page 35

                                        United States Department of Defense

Date: 9/24/03                           By: /s/ Linton Wells II
     -----------------                     -------------------------------------
                                        Printed Name: Linton Wells II
                                        Title: Principal Deputy Asst. Secretary

                                        United States Department of Homeland
                                        Security

Date:_________________                  By:_____________________________________
                                        Printed Name:
                                        Title:

<PAGE>

                                                                         Page 36

                                   EXHIBIT A

                         CONDITION TO FCC AUTHORIZATION

     IT IS FURTHER ORDERED, that consent to the transfer of control of New GX
and grant of a declaratory ruling pursuant to 47 U.S.C. Section 310(b)(4) are
subject to compliance with the provisions of the Agreement attached hereto among
GCL, New GX and ST Telemedia, on the one hand, and the United States Department
of Justice (the "DOJ"), the Federal Bureau of Investigation (the "FBI"), the
United States Department of Defense ("DOD") and the United States Department of
Homeland Security ("DHS"), on the other, dated _______, which Agreement is
designed to address national security, law enforcement, and public safety issues
of the DOJ, the FBI, the DOD and the DHS regarding the authority granted herein.
Nothing in this Agreement is intended to limit any obligation imposed by Federal
law or regulation including, but not limited to, 47 U.S.C. Section 222(a) and
(c)(1) and the FCC's implementing regulations.

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