Document:

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                                                                    EXHIBIT 4.31

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                     CAPITAL SECURITIES GUARANTEE AGREEMENT

                              Citigroup Capital XII

                           Dated as of          , 20

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                                TABLE OF CONTENTS

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                    ARTICLE I DEFINITIONS AND INTERPRETATION

SECTION 1.1 Definitions and Interpretation.....................................4

                         ARTICLE II TRUST INDENTURE ACT

SECTION 2.1 Trust Indenture Act; Application...................................7

SECTION 2.2 Lists of Holders of Securities.....................................7

SECTION 2.3 Reports by the Capital Guarantee Trustee...........................7

SECTION 2.4 Periodic Reports to Capital Guarantee Trustee......................8

SECTION 2.5 Evidence of Compliance with Conditions Precedent...................8

SECTION 2.6 Events of Default; Waiver..........................................8

SECTION 2.7 Event of Default; Notice...........................................8

SECTION 2.8 Conflicting Interests..............................................8

                ARTICLE III POWERS, DUTIES AND RIGHTS OF CAPITAL
                                GUARANTEE TRUSTEE

SECTION 3.1 Powers and Duties of the Capital Guarantee Trustee.................9

SECTION 3.2 Certain Rights of Capital Guarantee Trustee.......................10

SECTION 3.3 Not Responsible for Recitals or Issuance of Guarantee.............12

                      ARTICLE IV CAPITAL GUARANTEE TRUSTEE

SECTION 4.1 Capital Guarantee Trustee; Eligibility............................12

SECTION 4.2 Appointment, Removal and Resignation of Capital
            Guarantee Trustees................................................13

                               ARTICLE V GUARANTEE

SECTION 5.1 Guarantee.........................................................14

SECTION 5.2 Waiver of Notice and Demand.......................................14

SECTION 5.3 Obligations Not Affected..........................................14

SECTION 5.4 Rights of Holders.................................................15

SECTION 5.5 Guarantee of Payment..............................................15
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SECTION 5.6 Subrogation.......................................................16

SECTION 5.7 Independent Obligations...........................................16

              ARTICLE VI LIMITATION OF TRANSACTIONS; SUBORDINATION

SECTION 6.1 Limitation of Transactions........................................16

SECTION 6.2 Ranking...........................................................16

                             ARTICLE VII TERMINATION

SECTION 7.1 Termination.......................................................17

                          ARTICLE VIII INDEMNIFICATION

SECTION 8.1 Exculpation.......................................................17

SECTION 8.2 Indemnification...................................................18

                            ARTICLE IX MISCELLANEOUS

SECTION 9.1 Successors and Assigns............................................18

SECTION 9.2 Amendments........................................................18

SECTION 9.3 Notices...........................................................18

SECTION 9.4 Benefit...........................................................19

SECTION 9.5 Governing Law.....................................................19
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                     CAPITAL SECURITIES GUARANTEE AGREEMENT

            This GUARANTEE AGREEMENT (the "Capital Securities Guarantee"), dated
as of     , 20 , is executed and delivered by Citigroup Inc., a Delaware
corporation (the "Guarantor"), and JPMorgan Chase Bank, as trustee (the "Capital
Guarantee Trustee"), for the benefit of the Holders (as defined herein) from
time to time of the Capital Securities (as defined herein) of Citigroup Capital
XII, a Delaware statutory trust (the "Issuer").

            WHEREAS, pursuant to an Amended and Restated Declaration of Trust
(the "Declaration"), dated as of     , 20 , among the trustees of the Issuer
named therein, the Guarantor, as sponsor, and the holders from time to time of
undivided beneficial interests in the assets of the Issuer, the Issuer is
issuing on the date hereof      capital securities, having an aggregate
liquidation amount of $       , designated the   % Capital Securities (the
"Capital Securities");

            WHEREAS, as incentive for the Holders to purchase the Capital
Securities, the Guarantor desires irrevocably and unconditionally to agree, to
the extent set forth in this Capital Securities Guarantee, to pay to the Holders
the Guarantee Payments (as defined herein) and to make certain other payments on
the terms and conditions set forth herein.

            NOW, THEREFORE, in consideration of the purchase by each Holder of
Capital Securities, which purchase the Guarantor hereby agrees shall benefit the
Guarantor, the Guarantor executes and delivers this Capital Securities Guarantee
for the benefit of the Holders.

                                   ARTICLE I
                         DEFINITIONS AND INTERPRETATION

SECTION 1.1 Definitions and Interpretation

            In this Capital Securities Guarantee, unless the context otherwise
requires:

            (a) Capitalized terms used in this Capital Securities Guarantee but
not defined in the preamble above have the respective meanings assigned to them
in this Section 1.1;

            (b) a term defined anywhere in this Capital Securities Guarantee has
the same meaning throughout;

            (c) all references to "the Capital Securities Guarantee" or "this
Capital Securities Guarantee" are to this Capital Securities Guarantee as
modified, supplemented or amended from time to time;

            (d) all references in this Capital Securities Guarantee to Articles
and Sections are to Articles and Sections of this Capital Securities Guarantee,
unless otherwise specified;

            (e) a term defined in the Trust Indenture Act has the same meaning
when used in this Capital Securities Guarantee, unless otherwise defined in this
Capital Securities Guarantee or unless the context otherwise requires; and
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            (f) a reference to the singular includes the plural and vice versa.

            "Authorized Officer" of a Person means any Person that is authorized
to bind such Person.

            "Affiliate" has the same meaning as given to that term in Rule 405
of the Securities Act of 1933, as amended, or any successor rule thereunder.

            "Business Day" means any day other than a Saturday, Sunday or a day
on which banking institutions in the City of New York, New York are permitted or
required by any applicable law to close.

            "Capital Guarantee Trustee" means JPMorgan Chase Bank, until a
Successor Capital Guarantee Trustee has been appointed and has accepted such
appointment pursuant to the terms of this Capital Securities Guarantee, and
thereafter means each such Successor Capital Guarantee Trustee.

            "Common Securities" means the securities representing common
undivided beneficial interests in the assets of the Issuer.

            "Corporate Trust Office" means the office of the Capital Guarantee
Trustee at which the corporate trust business of the Capital Guarantee Trustee
shall, at any particular time, be principally administered, which office at the
date of execution of this Agreement is located at 4 New York Plaza -15th Floor,
New York, New York 10004.

            "Covered Person" means any Holder or beneficial owner of Capital
Securities.

            "Debentures" means the series of junior subordinated debt securities
of the Guarantor designated the   % Junior Subordinated Deferrable Interest
Debentures due     , 20 held by the Institutional Trustee (as defined in the
Declaration) of the Issuer.

            "Event of Default" means a default by the Guarantor on any of its
payment or other obligations under this Capital Securities Guarantee.

            "Guarantee Payments" means the following payments or distributions,
without duplication, with respect to the Capital Securities, to the extent not
paid or made by the Issuer: (i) any accrued and unpaid Distributions (as defined
in Annex I to the Declaration) that are required to be paid on the Capital
Securities, to the extent the Issuer has funds available therefor, (ii) the
redemption price of $ per Capital Security, plus all accrued and unpaid
Distributions to the date of redemption (the "Redemption Price"), to the extent
that the Issuer has funds available therefor, with respect to any Capital
Securities called for redemption by the Issuer and (iii) upon a voluntary or
involuntary dissolution, winding-up or termination of the Issuer (other than in
connection with the distribution of Debentures to the Holders in exchange for
Capital Securities as provided in the Declaration or the redemption of all of
the Capital Securities upon the maturity or redemption of all of the Debentures
as provided in the Declaration) the lesser of (a) the aggregate of the
liquidation amount of $ per Capital Security and all accrued and unpaid
Distributions on the Capital Securities to the date of payment, or (b) the
amount of assets of the
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Issuer remaining for distribution to Holders in liquidation of the Issuer (in
either case, the "Liquidation Distribution").

            "Holder" shall mean any holder, as registered on the books and
records of the Issuer, of any Capital Securities; provided, however, that, in
determining whether the holders of the requisite percentage of Capital
Securities have given any request, notice, consent or waiver hereunder, "Holder"
shall not include the Guarantor or any Affiliate of the Guarantor.

            "Indemnified Person" means the Capital Guarantee Trustee, any
Affiliate of the Capital Guarantee Trustee, or any officers, directors,
shareholders, members, partners, employees, representatives, nominees,
custodians or agents of the Capital Guarantee Trustee.

            "Indenture" means the Indenture dated as of July 23, 2004, among the
Guarantor and JPMorgan Chase Bank, as trustee, and any indenture supplemental
thereto, pursuant to which the Debentures are to be issued to the Institutional
Trustee of the Issuer.

            "Majority in liquidation amount of the Securities" means, except as
provided by the Trust Indenture Act, a vote by Holder(s), voting separately as a
class, holding Capital Securities representing more than 50% of the aggregate
liquidation amount (including the stated amount that would be paid on
redemption, liquidation or otherwise, plus accrued and unpaid Distributions to
the date upon which the voting percentages are determined) of all Capital
Securities.

            "Officers' Certificate" means, with respect to any Person, a
certificate signed by two Authorized Officers of such Person. Any Officers'
Certificate delivered with respect to compliance with a condition or covenant
provided for in this Capital Securities Guarantee shall include:

            (a) a statement that each officer signing the Officers' Certificate
has read the covenant or condition and the definitions relating thereto;

            (b) a brief statement of the nature and scope of the examination or
investigation undertaken by each officer in rendering the Officers' Certificate;

            (c) a statement that each such officer has made such examination or
investigation as, in such officer's opinion, is necessary to enable such officer
to express an informed opinion as to whether or not such covenant or condition
has been complied with; and

            (d) a statement as to whether, in the opinion of each such officer,
such condition or covenant has been complied with.

            "Person" means a legal person, including any individual,
corporation, estate, partnership, joint venture, association, joint stock
company, limited liability company, trust, unincorporated association, or
government or any agency or political subdivision thereof, or any other entity
of whatever nature.

            "Responsible Officer" means, with respect to the Capital Guarantee
Trustee, any officer within the Corporate Trust Office of the Capital Guarantee
Trustee with direct
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responsibility for the administration of this Capital Securities Guarantee and
also means, with respect to a particular corporate trust matter, any other
officer to whom such matter is referred because of that officer's knowledge of
and familiarity with the particular subject.

            "Successor Capital Guarantee Trustee" means a successor Capital
Guarantee Trustee possessing the qualifications to act as Capital Guarantee
Trustee under Section 4.1.

            "Trust Indenture Act" means the Trust Indenture Act of 1939, as
amended.

            "Underwriting Agreement" has the meaning set forth in the Indenture.

                                   ARTICLE II
                               TRUST INDENTURE ACT

SECTION 2.1 Trust Indenture Act; Application

            (a) This Capital Securities Guarantee is subject to the provisions
of the Trust Indenture Act that are required to be part of this Capital
Securities Guarantee and shall, to the extent applicable, be governed by such
provisions; and

            (b) if and to the extent that any provision of this Capital
Securities Guarantee limits, qualifies or conflicts with the duties imposed by
Section 310 to 317, inclusive, of the Trust Indenture Act, such imposed duties
shall control.

SECTION 2.2 Lists of Holders of Securities

            (a) The Guarantor shall provide the Capital Guarantee Trustee with a
list, in such form as the Capital Guarantee Trustee may reasonably require, of
the names and addresses of the Holders ("List of Holders") as of such date, (i)
within one Business Day after January 1 and June 30 of each year, and (ii) at
any other time within 30 days of receipt by the Guarantor of a written request
for a List of Holders as of a date no more than 14 days before such List of
Holders is given to the Capital Guarantee Trustee; provided, that the Guarantor
shall not be obligated to provide such List of Holders at any time the List of
Holders does not differ from the most recent List of Holders given to the
Capital Guarantee Trustee by the Guarantor. The Capital Guarantee Trustee may
destroy any List of Holders previously given to it on receipt of a new List of
Holders.

            (b) The Capital Guarantee Trustee shall comply with its obligations
under Sections 311(a), 311(b) and 312(b) of the Trust Indenture Act.

SECTION 2.3 Reports by the Capital Guarantee Trustee

            Within 60 days after May 15 of each year, the Capital Guarantee
Trustee shall provide to the Holders such reports as are required by Section 313
of the Trust Indenture Act, if any, in the form and in the manner provided by
Section 313 of the Trust Indenture Act. The Capital Guarantee Trustee shall also
comply with the requirements of Section 313(d) of the Trust Indenture Act.
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SECTION 2.4 Periodic Reports to Capital Guarantee Trustee

            The Guarantor shall provide to the Capital Guarantee Trustee such
documents, reports and information as required by Section 314 (if any) and the
compliance certificate required by Section 314 of the Trust Indenture Act in the
form, in the manner and at the times required by Section 314 of the Trust
Indenture Act.

SECTION 2.5 Evidence of Compliance with Conditions Precedent

            The Guarantor shall provide to the Capital Guarantee Trustee such
evidence of compliance with any conditions precedent, if any, provided for in
this Capital Securities Guarantee that relate to any of the matters set forth in
Section 314(c) of the Trust Indenture Act. Any certificate or opinion required
to be given by an officer pursuant to Section 314(c)(1) may be given in the form
of an Officers' Certificate.

SECTION 2.6 Events of Default; Waiver

            The Holders of a Majority in liquidation amount of Capital
Securities may, by vote, on behalf of the Holders of all of the Capital
Securities, waive any past Event of Default and its consequences. Upon such
waiver, any such Event of Default shall cease to exist, and any Event of Default
arising therefrom shall be deemed to have been cured, for every purpose of this
Capital Securities Guarantee, but no such waiver shall extend to any subsequent
or other default or Event of Default or impair any right consequent thereon.

SECTION 2.7 Event of Default; Notice

            (a) The Capital Guarantee Trustee shall, within 90 days after the
occurrence of an Event of Default, transmit by mail, first class postage
prepaid, to the Holders, notices of all Events of Default actually known to a
Responsible Officer of the Capital Guarantee Trustee, unless such defaults have
been cured before the giving of such notice; provided, that the Capital
Guarantee Trustee shall be protected in withholding such notice if and so long
as a Responsible Officer of the Capital Guarantee Trustee in good faith
determines that the withholding of such notice is in the interests of the
Holders.

            (b) The Capital Guarantee Trustee shall not be deemed to have
knowledge of any Event of Default unless either the Capital Guarantee Trustee
shall have received written notice, or a Responsible Officer of the Capital
Guarantee Trustee charged with the administration of the Declaration shall have
obtained actual knowledge.

SECTION 2.8 Conflicting Interests

            The Declaration shall be deemed to be specifically described in this
Capital Securities Guarantee for the purposes of clause (i) of the first proviso
contained in Section 310(b) of the Trust Indenture Act.
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                                   ARTICLE III
                          POWERS, DUTIES AND RIGHTS OF
                            CAPITAL GUARANTEE TRUSTEE

SECTION 3.1 Powers and Duties of the Capital Guarantee Trustee

            (a) This Capital Securities Guarantee shall be held by the Capital
Guarantee Trustee for the benefit of the Holders, and the Capital Guarantee
Trustee shall not transfer its right, title and interest in this Capital
Securities Guarantee to any Person except a Holder exercising his or her rights
pursuant to Section 5.4(b) or to a Successor Capital Guarantee Trustee on
acceptance by such Successor Capital Guarantee Trustee of its appointment to act
as Successor Capital Guarantee Trustee. The right, title and interest of the
Capital Guarantee Trustee shall automatically vest in any Successor Capital
Guarantee Trustee, and such vesting and cessation of title shall be effective
whether or not conveyancing documents have been executed and delivered pursuant
to the appointment of such Successor Capital Guarantee Trustee.

            (b) If an Event of Default actually known to a Responsible Officer
of the Capital Guarantee Trustee has occurred and is continuing, the Capital
Guarantee Trustee shall enforce this Capital Securities Guarantee for the
benefit of the Holders of the Capital Securities.

            (c) The Capital Guarantee Trustee, before the occurrence of any
Event of Default and after the curing of all Events of Default that may have
occurred, shall undertake to perform only such duties as are specifically set
forth in this Capital Securities Guarantee, and no implied covenants shall be
read into this Capital Securities Guarantee against the Capital Guarantee
Trustee. In case an Event of Default has occurred (that has not been cured or
waived pursuant to Section 2.6) and is actually known to a Responsible Officer
of the Capital Guarantee Trustee, the Capital Guarantee Trustee shall exercise
such of the rights and powers vested in it by this Capital Securities Guarantee,
and use the same degree of care and skill in its exercise thereof, as a prudent
person would exercise or use under the circumstances in the conduct of his or
her own affairs.

            (d) No provision of this Capital Securities Guarantee shall be
construed to relieve the Capital Guarantee Trustee from liability for its own
negligent action, its own negligent failure to act or its own willful
misconduct, except that:

            (i) Prior to the occurrence of any Event of Default and after the
      curing or waiving of all such Events of Default that may have occurred:

                  (A) the duties and obligations of the Capital Guarantee
            Trustee shall be determined solely by the express provisions of this
            Capital Securities Guarantee, and the Capital Guarantee Trustee
            shall not be liable except for the performance of such duties and
            obligations as are specifically set forth in this Capital Securities
            Guarantee, and no implied covenants or obligations shall be read
            into this Capital Securities Guarantee against the Capital Guarantee
            Trustee; and

                  (B) in the absence of bad faith on the part of the Capital
            Guarantee Trustee, the Capital Guarantee Trustee may conclusively
            rely, as to the truth of the statements and the
<PAGE>
            correctness of the opinions expressed therein, upon any certificates
            or opinions furnished to the Capital Guarantee Trustee and
            conforming to the requirements of this Capital Securities Guarantee;
            but in the case of any such certificates or opinions that by any
            provision hereof are specifically required to be furnished to the
            Capital Guarantee Trustee, the Capital Guarantee Trustee shall be
            under a duty to examine the same to determine whether or not they
            conform to the requirements of this Capital Securities Guarantee;

            (ii) the Capital Guarantee Trustee shall not be liable for any error
      of judgment made in good faith by a Responsible Officer of the Capital
      Guarantee Trustee, unless it shall be proved that the Capital Guarantee
      Trustee was negligent in ascertaining the pertinent facts upon which such
      judgment was made;

            (iii) the Capital Guarantee Trustee shall not be liable with respect
      to any action taken or omitted to be taken by it in good faith in
      accordance with the direction of the Holders of not less than a Majority
      in liquidation amount of the Capital Securities relating to the time,
      method and place of conducting any proceeding for any remedy available to
      the Capital Guarantee Trustee, or exercising any trust or power conferred
      upon the Capital Guarantee Trustee under this Capital Securities
      Guarantee; and

            (iv) no provision of this Capital Securities Guarantee shall require
      the Capital Guarantee Trustee to expend or risk its own funds or otherwise
      incur personal financial liability in the performance of any of its duties
      or in the exercise of any of its rights or powers, if the Capital
      Guarantee Trustee shall have reasonable grounds for believing that the
      repayment of such funds or liability is not reasonably assured to it under
      the terms of this Capital Securities Guarantee or indemnity, reasonably
      satisfactory to the Capital Guarantee Trustee, against such risk or
      liability is not reasonably assured to it.

SECTION 3.2 Certain Rights of Capital Guarantee Trustee

            (a) Subject to the provisions of Section 3.1:

            (i) The Capital Guarantee Trustee may conclusively rely, and shall
      be fully protected in acting or refraining from acting upon, any
      resolution, certificate, statement, instrument, opinion, report, notice,
      request, direction, consent, order, bond, debenture, note, other evidence
      of indebtedness or other paper or document believed by it to be genuine
      and to have been signed, sent or presented by the proper party or parties.

            (ii) Any direction or act of the Guarantor contemplated by this
      Capital Securities Guarantee shall be sufficiently evidenced by an
      Officers' Certificate.

            (iii) Whenever, in the administration of this Capital Securities
      Guarantee, the Capital Guarantee Trustee shall deem it desirable that a
      matter be
<PAGE>
      proved or established before taking, suffering or omitting any action
      hereunder, the Capital Guarantee Trustee (unless other evidence is herein
      specifically prescribed) may, in the absence of bad faith on its part,
      request and conclusively rely upon an Officers' Certificate which, upon
      receipt of such request, shall be promptly delivered by the Guarantor.

            (iv) The Capital Guarantee Trustee shall have no duty to see to any
      recording, filing or registration of any instrument (or any rerecording,
      refiling or registration thereof).

            (v) The Capital Guarantee Trustee may consult with counsel, and the
      written advice or opinion of such counsel with respect to legal matters
      shall be full and complete authorization and protection in respect of any
      action taken, suffered or omitted by it hereunder in good faith and in
      accordance with such advice or opinion. Such counsel may be counsel to the
      Guarantor or any of its Affiliates and may include any of its employees.
      The Capital Guarantee Trustee shall have the right at any time to seek
      instructions concerning the administration of this Capital Securities
      Guarantee from any court of competent jurisdiction.

            (vi) The Capital Guarantee Trustee shall be under no obligation to
      exercise any of the rights or powers vested in it by this Capital
      Securities Guarantee at the request or direction of any Holder, unless
      such Holder shall have provided to the Capital Guarantee Trustee such
      security and indemnity, reasonably satisfactory to the Capital Guarantee
      Trustee, against the costs, expenses (including attorneys' fees and
      expenses and the expenses of the Capital Guarantee Trustee's agents,
      nominees or custodians) and liabilities that might be incurred by it in
      complying with such request or direction, including such reasonable
      advances as may be requested by the Capital Guarantee Trustee; provided
      that, nothing contained in this Section 3.2(a)(vi) shall be taken to
      relieve the Capital Guarantee Trustee, upon the occurrence of an Event of
      Default, of its obligation to exercise the rights and powers vested in it
      by this Capital Securities Guarantee.

            (vii) The Capital Guarantee Trustee shall not be bound to make any
      investigation into the facts or matters stated in any resolution,
      certificate, statement, instrument, opinion, report, notice, request,
      direction, consent, order, bond, debenture, note, other evidence of
      indebtedness or other paper or document, but the Capital Guarantee
      Trustee, in its discretion, may make such further inquiry or investigation
      into such facts or matters as it may see fit.

            (viii) The Capital Guarantee Trustee may execute any of the trusts
      or powers hereunder or perform any duties hereunder either directly or by
      or through agents, nominees, custodians or attorneys, and the Capital
      Guarantee Trustee shall not be responsible for any misconduct or
      negligence on the part of any agent or attorney appointed with due care by
      it hereunder.
<PAGE>
            (ix) Any action taken by the Capital Guarantee Trustee or its agents
      hereunder shall bind the Holders of the Capital Securities, and the
      signature of the Capital Guarantee Trustee or its agents alone shall be
      sufficient and effective to perform any such action. No third party shall
      be required to inquire as to the authority of the Capital Guarantee
      Trustee to so act or as to its compliance with any of the terms and
      provisions of this Capital Securities Guarantee, both of which shall be
      conclusively evidenced by the Capital Guarantee Trustee's or its agent's
      taking such action.

            (x) Whenever in the administration of this Capital Securities
      Guarantee the Capital Guarantee Trustee shall deem it desirable to receive
      instructions with respect to enforcing any remedy or right or taking any
      other action hereunder, the Capital Guarantee Trustee (i) may request
      instructions from the Holders of a Majority in liquidation amount of the
      Capital Securities, (ii) may refrain from enforcing such remedy or right
      or taking such other action until such instructions are received, and
      (iii) shall be protected in conclusively relying on or acting in
      accordance with such instructions.

            (b) No provision of this Capital Securities Guarantee shall be
deemed to impose any duty or obligation on the Capital Guarantee Trustee to
perform any act or acts or exercise any right, power, duty or obligation
conferred or imposed on it in any jurisdiction in which it shall be illegal, or
in which the Capital Guarantee Trustee shall be unqualified or incompetent in
accordance with applicable law, to perform any such act or acts or to exercise
any such right, power, duty or obligation. No permissive power or authority
available to the Capital Guarantee Trustee shall be construed to be a duty.

SECTION 3.3 Not Responsible for Recitals or Issuance of Guarantee

            The recitals contained in this Guarantee shall be taken as the
statements of the Guarantor, and the Capital Guarantee Trustee does not assume
any responsibility for their correctness. The Capital Guarantee Trustee makes no
representation as to the validity or sufficiency of this Capital Securities
Guarantee.

                                   ARTICLE IV
                            CAPITAL GUARANTEE TRUSTEE

SECTION 4.1 Capital Guarantee Trustee; Eligibility

            (a) There shall at all times be a Capital Guarantee Trustee which
shall:

            (i) not be an Affiliate of the Guarantor; and

            (ii) be a corporation organized and doing business under the laws of
      the United States of America or any State or Territory thereof or of the
      District of Columbia, or a corporation or Person permitted by the
      Securities and Exchange Commission to act as an institutional trustee
      under the Trust Indenture Act, authorized under such laws to exercise
      corporate trust powers, having a combined capital and surplus of at least
      50 million U.S. dollars ($50,000,000), and subject to
<PAGE>
      supervision or examination by Federal, State, Territorial or District of
      Columbia authority. If such corporation publishes reports of condition at
      least annually, pursuant to law or to the requirements of the supervising
      or examining authority referred to above, then, for the purposes of this
      Section 4.1(a)(ii), the combined capital and surplus of such corporation
      shall be deemed to be its combined capital and surplus as set forth in its
      most recent report of condition so published.

            (b) If at any time the Capital Guarantee Trustee shall cease to be
eligible to so act under Section 4.1(a), the Capital Guarantee Trustee shall
immediately resign in the manner and with the effect set out in Section 4.2(c).

            (c) If the Capital Guarantee Trustee has or shall acquire any
"conflicting interest" within the meaning of Section 310(b) of the Trust
Indenture Act, the Capital Guarantee Trustee and Guarantor shall in all respects
comply with the provisions of Section 310(b) of the Trust Indenture Act.

SECTION 4.2 Appointment, Removal and Resignation of Capital Guarantee Trustees

            (a) Subject to Section 4.2(b), the Capital Guarantee Trustee may be
appointed or removed without cause at any time by the Guarantor except if an
Event of Default shall have occurred and be continuing.

            (b) The Capital Guarantee Trustee shall not be removed in accordance
with Section 4.2(a) until a Successor Capital Guarantee Trustee has been
appointed and has accepted such appointment by written instrument executed by
such Successor Capital Guarantee Trustee and delivered to the Guarantor.

            (c) The Capital Guarantee Trustee appointed to office shall hold
office until a Successor Capital Guarantee Trustee shall have been appointed or
until its removal or resignation. The Capital Guarantee Trustee may resign from
office (without need for prior or subsequent accounting) by an instrument in
writing executed by the Capital Guarantee Trustee and delivered to the
Guarantor, which resignation shall not take effect until a Successor Capital
Guarantee Trustee has been appointed and has accepted such appointment by
instrument in writing executed by such Successor Capital Guarantee Trustee and
delivered to the Guarantor and the resigning Capital Guarantee Trustee.

            (d) If no Successor Capital Guarantee Trustee shall have been
appointed and accepted appointment as provided in this Section 4.2 within 60
days after delivery to the Guarantor of an instrument of resignation, the
resigning Capital Guarantee Trustee may petition any court of competent
jurisdiction for appointment of a Successor Capital Guarantee Trustee. Such
court may thereupon, after prescribing such notice, if any, as it may deem
proper, appoint a Successor Capital Guarantee Trustee.

            (e) No Capital Guarantee Trustee shall be liable for the acts or
omissions to act of any Successor Capital Guarantee Trustee.

            (f) Upon termination of this Capital Securities Guarantee or removal
or resignation of the Capital Guarantee Trustee pursuant to this Section 4.2,
the Guarantor shall pay
<PAGE>
to the Capital Guarantee Trustee all amounts accrued and owing to such Capital
Guarantee Trustee to the date of such termination, removal or resignation.

                                   ARTICLE V
                                    GUARANTEE

SECTION 5.1 Guarantee

            The Guarantor irrevocably and unconditionally agrees to pay in full
to the Holders the Guarantee Payments, as and when due, regardless of any
defense, right of set-off or counterclaim that the Issuer may have or assert.
The Guarantor's obligation to make a Guarantee Payment may be satisfied by
direct payment of the required amounts by the Guarantor to the Holders or by
causing the Issuer to pay such amounts to the Holders.

SECTION 5.2 Waiver of Notice and Demand

            The Guarantor hereby waives notice of acceptance of this Capital
Securities Guarantee and of any liability to which it applies or may apply,
presentment, demand for payment, any right to require a proceeding first against
the Issuer or any other Person before proceeding against the Guarantor, protest,
notice of nonpayment, notice of dishonor, notice of redemption and all other
notices and demands.

SECTION 5.3 Obligations Not Affected

            The obligations, covenants, agreements and duties of the Guarantor
under this Capital Securities Guarantee shall in no way be affected or impaired
by reason of the happening from time to time of any of the following:

            (a) the release or waiver, by operation of law or otherwise, of the
performance or observance by the Issuer of any express or implied agreement,
covenant, term or condition relating to the Capital Securities to be performed
or observed by the Issuer;

            (b) the extension of time for the payment by the Issuer of all or
any portion of the Distributions, Redemption Price, Liquidation Distribution or
any other sums payable under the terms of the Capital Securities or the
extension of time for the performance of any other obligation under, arising out
of, or in connection with, the Capital Securities;

            (c) any failure, omission, delay or lack of diligence on the part of
the Holders to enforce, assert or exercise any right, privilege, power or remedy
conferred on the Holders pursuant to the terms of the Capital Securities, or any
action on the part of the Issuer granting indulgence or extension of any kind;

            (d) the voluntary or involuntary liquidation, dissolution, sale of
any collateral, receivership, insolvency, bankruptcy, assignment for the benefit
of creditors, reorganization, arrangement, composition or readjustment of debt
of, or other similar proceedings affecting, the Issuer or any of the assets of
the Issuer;

            (e) any invalidity of, or defect or deficiency in, the Capital
Securities;
<PAGE>
            (f) the settlement or compromise of any obligation guaranteed hereby
or hereby incurred; or

            (g) any other circumstance whatsoever that might otherwise
constitute a legal or equitable discharge or defense of a guarantor, it being
the intent of this Section 5.3 that the obligations of the Guarantor hereunder
shall be absolute and unconditional under any and all circumstances.

            There shall be no obligation of the Holders to give notice to, or
obtain consent of, the Guarantor with respect to the happening of any of the
foregoing.

SECTION 5.4 Rights of Holders

            (a) The Holders of a Majority in liquidation amount of the Capital
Securities have the right to direct the time, method and place of conducting any
proceeding for any remedy available to the Capital Guarantee Trustee in respect
of this Capital Securities Guarantee or exercising any trust or power conferred
upon the Capital Guarantee Trustee under this Capital Securities Guarantee.

            (b) If the Capital Guarantee Trustee fails to enforce its rights
under this Capital Securities Guarantee, any Holder may directly institute a
legal proceeding against the Guarantor to enforce the Capital Guarantee
Trustee's rights under this Capital Securities Guarantee, without first
instituting a legal proceeding against the Issuer, the Capital Guarantee Trustee
or any other Person or entity.

            (c) A Holder of Capital Securities may also directly institute a
legal proceeding against the Guarantor to enforce such Holder's right to receive
payment under this Capital Securities Guarantee without first (i) directing the
Capital Guarantee Trustee to enforce the terms of this Capital Securities
Guarantee or (ii) instituting a legal proceeding directly against the Issuer or
any other Person or entity.

SECTION 5.5 Guarantee of Payment

            This Capital Securities Guarantee creates a guarantee of payment and
not of collection.
<PAGE>
SECTION 5.6 Subrogation

            The Guarantor shall be subrogated to all (if any) rights of the
Holders of Capital Securities against the Issuer in respect of any amounts paid
to such Holders by the Guarantor under this Capital Securities Guarantee;
provided, however, that the Guarantor shall not (except to the extent required
by mandatory provisions of law) be entitled to enforce or exercise any right
that it may acquire by way of subrogation or any indemnity, reimbursement or
other agreement, in all cases as a result of payment under this Capital
Securities Guarantee, if, at the time of any such payment, any amounts are due
and unpaid under this Capital Securities Guarantee. If any amount shall be paid
to the Guarantor in violation of the preceding sentence, the Guarantor agrees to
hold such amount in trust for the Holders and to pay over such amount to the
Holders.

SECTION 5.7 Independent Obligations

            The Guarantor acknowledges that its obligations hereunder are
independent of the obligations of the Issuer with respect to the Capital
Securities, and that the Guarantor shall be liable as principal and as debtor
hereunder to make Guarantee Payments pursuant to the terms of this Capital
Securities Guarantee notwithstanding the occurrence of any event referred to in
subsections (a) through (g), inclusive, of Section 5.3 hereof.

                                   ARTICLE VI
                    LIMITATION OF TRANSACTIONS; SUBORDINATION

SECTION 6.1 Limitation of Transactions

            So long as any Capital Securities remain outstanding, if there shall
have occurred any event that would constitute an Event of Default or a Default
under the Declaration, then (a) the Guarantor shall not declare or pay any
dividend on, make any distributions with respect to, or redeem, purchase,
acquire or make a liquidation payment with respect to, any of its capital stock
or make any guarantee payment with respect thereto (other than (i) repurchases,
redemptions or other acquisitions of shares of capital stock of the Guarantor in
connection with any employment contract, benefit plan or other similar
arrangement with or for the benefit of employees, officers, directors or
consultants, (ii) as a result of an exchange or conversion of any class or
series of the Guarantor's capital stock for any other class or series of the
Guarantor's capital stock, or (iii) the purchase of fractional interests in
shares of the Guarantor's capital stock pursuant to the conversion or exchange
provisions of such capital stock or the security being converted or exchanged)
and (b) the Guarantor shall not make any payment of interest on, or principal of
(or premium, if any, on), or repay, repurchase or redeem, any debt securities
issued by the Guarantor that rank pari passu with or junior to the Debentures;
provided, however, the Guarantor may declare and pay a stock dividend where the
dividend stock is the same stock as that on which the dividend is being paid.

SECTION 6.2 Subordination

            The obligations of the Guarantor under this Capital Securities
Guarantee will constitute unsecured obligations of the Guarantor and will rank
subordinate and junior in right of
<PAGE>
payment to all Senior Indebtedness (as defined in the Indenture) of the
Guarantor to the extent and in the manner set forth in the Indenture with
respect to the Debentures, and the provisions of Article Fourteen of the
Indenture will apply, mutatis mutandis, to the obligations of the Guarantor
hereunder. The obligations of the Guarantor hereunder do not constitute Senior
Indebtedness (as defined in the Indenture) of the Guarantor.

SECTION 6.3 Pari Passu Guarantees

            The obligations of the Guarantor under this Capital Securities
Guarantee shall rank pari passu with the obligations of the Guarantor under (i)
any similar guarantee agreements issued by the Guarantor on behalf of the
holders of preferred or capital securities issued by any Citigroup Trust (as
defined in the Indenture), (ii) the Indenture and the Securities (as defined
therein) issued thereunder, (iii) any expense agreements entered into by the
Guarantor in connection with the offering of preferred or capital securities by
any Citigroup Trust (as defined in the Indenture), and (iv) any other security,
guarantee or other agreement or obligation that is by its terms pari passu with
the Securities (as defined in the Indenture) and, in the case of this clause
(iv) only, (x) is issued with the concurrence or approval of the staff of the
Federal Reserve Bank of New York or the staff of the Board of Governors of the
Federal Reserve System or (y) does not at the time of issuance prevent the
Securities from qualifying for tier 1 capital treatment (irrespective of any
limits on the amount of the Company's tier 1 capital) under the applicable
capital adequacy guidelines, regulations, policies or published interpretations
of the Board of Governors of the Federal Reserve System.

                                   ARTICLE VII
                                   TERMINATION

SECTION 7.1 Termination

            This Capital Securities Guarantee shall terminate upon (i) full
payment of the Redemption Price of all Capital Securities, (ii) the distribution
of the Debentures to the Holders of all of the Capital Securities or (iii) full
payment of the amounts payable in accordance with the Declaration upon
liquidation of the Issuer. Notwithstanding the foregoing, this Capital
Securities Guarantee will continue to be effective or will be reinstated, as the
case may be, if at any time any Holder must restore payment of any sums paid
under the Capital Securities or under this Capital Securities Guarantee.

                                  ARTICLE VIII
                                 INDEMNIFICATION

SECTION 8.1 Exculpation

            (a) No Indemnified Person shall be liable, responsible or
accountable in damages or otherwise to the Guarantor or any Covered Person for
any loss, damage or claim incurred by reason of any act or omission performed or
omitted by such Indemnified Person in good faith in accordance with this Capital
Securities Guarantee and in a manner that such Indemnified Person reasonably
believed to be within the scope of the authority conferred on such Indemnified
Person by this Capital Securities Guarantee or by law, except that an
Indemnified
<PAGE>
Person shall be liable for any such loss, damage or claim incurred by reason of
such Indemnified Person's negligence or willful misconduct with respect to such
acts or omissions.

            (b) An Indemnified Person shall be fully protected in relying in
good faith upon the records of the Guarantor and upon such information,
opinions, reports or statements presented to the Guarantor by any Person as to
matters the Indemnified Person reasonably believes are within such other
Person's professional or expert competence and who has been selected with
reasonable care by or on behalf of the Guarantor, including information,
opinions, reports or statements as to the value and amount of the assets,
liabilities, profits, losses, or any other facts pertinent to the existence and
amount of assets from which Distributions to Holders might properly be paid.

SECTION 8.2 Indemnification

            The Guarantor agrees to indemnify each Indemnified Person for, and
to hold each Indemnified Person harmless against, any loss, liability or expense
incurred without negligence or bad faith on its part, arising out of or in
connection with the acceptance or administration of the trust or trusts
hereunder, including the costs and expenses (including reasonable legal fees and
expenses) of defending itself against, or investigating, any claim or liability
in connection with the exercise or performance of any of its powers or duties
hereunder. The obligation to indemnify as set forth in this Section 8.2 shall
survive the termination of this Capital Securities Guarantee.

                                   ARTICLE IX
                                  MISCELLANEOUS

SECTION 9.1 Successors and Assigns

            All guarantees and agreements contained in this Capital Securities
Guarantee shall bind the successors, assigns, receivers, trustees and
representatives of the Guarantor and shall inure to the benefit of the Holders
of the Capital Securities then outstanding.

SECTION 9.2 Amendments

            Except with respect to any changes that do not adversely affect the
rights of Holders (in which case no consent of Holders will be required), this
Capital Securities Guarantee may be amended only with the prior approval of the
Holders of not less than a Majority in aggregate liquidation amount (including
the stated amount that would be paid on redemption, liquidation or otherwise,
plus accrued and unpaid Distributions to the date upon which the voting
percentages are determined) of all the outstanding Capital Securities. The
provisions of Section 12.2 of the Declaration with respect to meetings of
Holders apply to the giving of such approval.

SECTION 9.3 Notices
<PAGE>
            All notices provided for in this Capital Securities Guarantee shall
be in writing, duly signed by the party giving such notice, and shall be
delivered, telecopied or mailed by registered or certified mail, as follows:

            (a) If given to the Capital Guarantee Trustee, at the Capital
Guarantee Trustee's mailing address set forth below (or such other address as
the Capital Guarantee Trustee may give notice of to the Holders):

                  JPMorgan Chase Bank
                  4 New York Plaza - 15th Floor
                  New York, New York 10004
                  Attention:  Institutional Trust Services

            (b) If given to the Guarantor, at the Guarantor's mailing address
set forth below (or such other address as the Guarantor may give notice of to
the Holders):

                  Citigroup Inc.,
                  153 East 53rd Street
                  New York, NY 10043
                  Attention:  Guy R. Whittaker, Treasurer

            (c) If given to any Holder, at the address set forth on the books
and records of the Issuer.

            All such notices shall be deemed to have been given when received in
person, telecopied with receipt confirmed, or mailed by first class mail,
postage prepaid except that if a notice or other document is refused delivery or
cannot be delivered because of a changed address of which no notice was given,
such notice or other document shall be deemed to have been delivered on the date
of such refusal or inability to deliver.

SECTION 9.4 Benefit

            This Capital Securities Guarantee is solely for the benefit of the
Holders of the Capital Securities and, subject to Section 3.1(a), is not
separately transferable from the Capital Securities.

SECTION 9.5 Governing Law

            THIS CAPITAL SECURITIES GUARANTEE SHALL BE GOVERNED BY, AND
CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK,
AND ALL RIGHTS AND REMEDIES SHALL BE GOVERNED BY SUCH LAWS WITHOUT REGARD FOR
THE PRINCIPLES OF ITS CONFLICTS OF LAWS.
<PAGE>
            THIS CAPITAL SECURITIES GUARANTEE is executed as of the day and year
first above written.

                                    CITIGROUP INC.,
                                    as Guarantor

                                    By:
                                       ----------------------------------------
                                       Name:  Guy R. Whittaker
                                       Title:  Treasurer

                                    JPMORGAN CHASE BANK,
                                    as Capital Guarantee Trustee

                                    By:
                                       ----------------------------------------
                                       Name:
                                       Title:<PAGE>

                                                                    EXHIBIT 4.32

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

                     CAPITAL SECURITIES GUARANTEE AGREEMENT

                             Citigroup Capital XIII

                          Dated as of             , 20

                                -----------------
<PAGE>
                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            Page
<S>                                                                         <C>

                    ARTICLE I DEFINITIONS AND INTERPRETATION

SECTION 1.1 Definitions and Interpretation................................     4

                         ARTICLE II TRUST INDENTURE ACT

SECTION 2.1 Trust Indenture Act; Application..............................     7
SECTION 2.2 Lists of Holders of Securities................................     7
SECTION 2.3 Reports by the Capital Guarantee Trustee......................     7
SECTION 2.4 Periodic Reports to Capital Guarantee Trustee.................     8
SECTION 2.5 Evidence of Compliance with Conditions Precedent..............     8
SECTION 2.6 Events of Default; Waiver.....................................     8
SECTION 2.7 Event of Default; Notice......................................     8
SECTION 2.8 Conflicting Interests.........................................     8

                ARTICLE III POWERS, DUTIES AND RIGHTS OF CAPITAL

                                GUARANTEE TRUSTEE

SECTION 3.1 Powers and Duties of the Capital Guarantee Trustee............     9
SECTION 3.2 Certain Rights of Capital Guarantee Trustee...................    10
SECTION 3.3 Not Responsible for Recitals or Issuance of Guarantee.........    12

                      ARTICLE IV CAPITAL GUARANTEE TRUSTEE

SECTION 4.1 Capital Guarantee Trustee; Eligibility........................    12
SECTION 4.2 Appointment, Removal and Resignation of
              Capital Guarantee Trustees                                      13

                               ARTICLE V GUARANTEE

SECTION 5.1 Guarantee.....................................................    14
SECTION 5.2 Waiver of Notice and Demand...................................    14
SECTION 5.3 Obligations Not Affected......................................    14
SECTION 5.4 Rights of Holders.............................................    15
SECTION 5.5 Guarantee of Payment..........................................    15
</TABLE>
<PAGE>
<TABLE>
<S>                                                                         <C>
SECTION 5.6 Subrogation...................................................    16
SECTION 5.7 Independent Obligations.......................................    16

              ARTICLE VI LIMITATION OF TRANSACTIONS; SUBORDINATION

SECTION 6.1 Limitation of Transactions....................................    16
SECTION 6.2 Ranking.............................                              ERROR! BOOKMARK NOT DEFINED

                             ARTICLE VII TERMINATION

SECTION 7.1 Termination...................................................    17

                          ARTICLE VIII INDEMNIFICATION

SECTION 8.1 Exculpation...................................................    17
SECTION 8.2 Indemnification...............................................    18

                            ARTICLE IX MISCELLANEOUS

SECTION 9.1 Successors and Assigns........................................    18
SECTION 9.2 Amendments....................................................    18
SECTION 9.3 Notices.......................................................    18
SECTION 9.4 Benefit.......................................................    19
SECTION 9.5 Governing Law.................................................    19
</TABLE>
<PAGE>
                     CAPITAL SECURITIES GUARANTEE AGREEMENT

            This GUARANTEE AGREEMENT (the "Capital Securities Guarantee"), dated
as of          , 20 , is executed and delivered by Citigroup Inc., a Delaware
corporation (the "Guarantor"), and JPMorgan Chase Bank, as trustee (the "Capital
Guarantee Trustee"), for the benefit of the Holders (as defined herein) from
time to time of the Capital Securities (as defined herein) of Citigroup Capital
XIII, a Delaware statutory trust (the "Issuer").

            WHEREAS, pursuant to an Amended and Restated Declaration of Trust
(the "Declaration"), dated as of           , 20 , among the trustees of the
Issuer named therein, the Guarantor, as sponsor, and the holders from time to
time of undivided beneficial interests in the assets of the Issuer, the Issuer
is issuing on the date hereof            capital securities, having an aggregate
liquidation amount of $     , designated the    % Capital Securities (the
"Capital Securities");

            WHEREAS, as incentive for the Holders to purchase the Capital
Securities, the Guarantor desires irrevocably and unconditionally to agree, to
the extent set forth in this Capital Securities Guarantee, to pay to the Holders
the Guarantee Payments (as defined herein) and to make certain other payments on
the terms and conditions set forth herein.

            NOW, THEREFORE, in consideration of the purchase by each Holder of
Capital Securities, which purchase the Guarantor hereby agrees shall benefit the
Guarantor, the Guarantor executes and delivers this Capital Securities Guarantee
for the benefit of the Holders.

                                    ARTICLE I
                         DEFINITIONS AND INTERPRETATION

SECTION 1.1 Definitions and Interpretation

            In this Capital Securities Guarantee, unless the context otherwise
requires:

            (a) Capitalized terms used in this Capital Securities Guarantee but
not defined in the preamble above have the respective meanings assigned to them
in this Section 1.1;

            (b) a term defined anywhere in this Capital Securities Guarantee has
the same meaning throughout;

            (c) all references to "the Capital Securities Guarantee" or "this
Capital Securities Guarantee" are to this Capital Securities Guarantee as
modified, supplemented or amended from time to time;

            (d) all references in this Capital Securities Guarantee to Articles
and Sections are to Articles and Sections of this Capital Securities Guarantee,
unless otherwise specified;

            (e) a term defined in the Trust Indenture Act has the same meaning
when used in this Capital Securities Guarantee, unless otherwise defined in this
Capital Securities Guarantee or unless the context otherwise requires; and
<PAGE>
            (f) a reference to the singular includes the plural and vice versa.

            "Authorized Officer" of a Person means any Person that is authorized
to bind such Person.

            "Affiliate" has the same meaning as given to that term in Rule 405
of the Securities Act of 1933, as amended, or any successor rule thereunder.

            "Business Day" means any day other than a Saturday, Sunday or a day
on which banking institutions in the City of New York, New York are permitted or
required by any applicable law to close.

            "Capital Guarantee Trustee" means JPMorgan Chase Bank, until a
Successor Capital Guarantee Trustee has been appointed and has accepted such
appointment pursuant to the terms of this Capital Securities Guarantee, and
thereafter means each such Successor Capital Guarantee Trustee.

            "Common Securities" means the securities representing common
undivided beneficial interests in the assets of the Issuer.

            "Corporate Trust Office" means the office of the Capital Guarantee
Trustee at which the corporate trust business of the Capital Guarantee Trustee
shall, at any particular time, be principally administered, which office at the
date of execution of this Agreement is located at 4 New York Plaza -15th Floor,
New York, New York 10004.

            "Covered Person" means any Holder or beneficial owner of Capital
Securities.

            "Debentures" means the series of junior subordinated debt securities
of the Guarantor designated the % Junior Subordinated Deferrable Interest
Debentures due , 20 held by the Institutional Trustee (as defined in the
Declaration) of the Issuer.

            "Event of Default" means a default by the Guarantor on any of its
payment or other obligations under this Capital Securities Guarantee.

            "Guarantee Payments" means the following payments or distributions,
without duplication, with respect to the Capital Securities, to the extent not
paid or made by the Issuer: (i) any accrued and unpaid Distributions (as defined
in Annex I to the Declaration) that are required to be paid on the Capital
Securities, to the extent the Issuer has funds available therefor, (ii) the
redemption price of $ per Capital Security, plus all accrued and unpaid
Distributions to the date of redemption (the "Redemption Price"), to the extent
that the Issuer has funds available therefor, with respect to any Capital
Securities called for redemption by the Issuer and (iii) upon a voluntary or
involuntary dissolution, winding-up or termination of the Issuer (other than in
connection with the distribution of Debentures to the Holders in exchange for
Capital Securities as provided in the Declaration or the redemption of all of
the Capital Securities upon the maturity or redemption of all of the Debentures
as provided in the Declaration) the lesser of (a) the aggregate of the
liquidation amount of $ per Capital Security and all accrued and unpaid
Distributions on the Capital Securities to the date of payment, or (b) the
amount of assets of the
<PAGE>
Issuer remaining for distribution to Holders in liquidation of the Issuer (in
either case, the "Liquidation Distribution").

            "Holder" shall mean any holder, as registered on the books and
records of the Issuer, of any Capital Securities; provided, however, that, in
determining whether the holders of the requisite percentage of Capital
Securities have given any request, notice, consent or waiver hereunder, "Holder"
shall not include the Guarantor or any Affiliate of the Guarantor.

            "Indemnified Person" means the Capital Guarantee Trustee, any
Affiliate of the Capital Guarantee Trustee, or any officers, directors,
shareholders, members, partners, employees, representatives, nominees,
custodians or agents of the Capital Guarantee Trustee.

            "Indenture" means the Indenture dated as of July 23, 2004, among the
Guarantor and JPMorgan Chase Bank, as trustee, and any indenture supplemental
thereto, pursuant to which the Debentures are to be issued to the Institutional
Trustee of the Issuer.

            "Majority in liquidation amount of the Securities" means, except as
provided by the Trust Indenture Act, a vote by Holder(s), voting separately as a
class, holding Capital Securities representing more than 50% of the aggregate
liquidation amount (including the stated amount that would be paid on
redemption, liquidation or otherwise, plus accrued and unpaid Distributions to
the date upon which the voting percentages are determined) of all Capital
Securities.

            "Officers' Certificate" means, with respect to any Person, a
certificate signed by two Authorized Officers of such Person. Any Officers'
Certificate delivered with respect to compliance with a condition or covenant
provided for in this Capital Securities Guarantee shall include:

            (a) a statement that each officer signing the Officers' Certificate
has read the covenant or condition and the definitions relating thereto;

            (b) a brief statement of the nature and scope of the examination or
investigation undertaken by each officer in rendering the Officers' Certificate;

            (c) a statement that each such officer has made such examination or
investigation as, in such officer's opinion, is necessary to enable such officer
to express an informed opinion as to whether or not such covenant or condition
has been complied with; and

            (d) a statement as to whether, in the opinion of each such officer,
such condition or covenant has been complied with.

            "Person" means a legal person, including any individual,
corporation, estate, partnership, joint venture, association, joint stock
company, limited liability company, trust, unincorporated association, or
government or any agency or political subdivision thereof, or any other entity
of whatever nature.

            "Responsible Officer" means, with respect to the Capital Guarantee
Trustee, any officer within the Corporate Trust Office of the Capital Guarantee
Trustee with direct
<PAGE>
responsibility for the administration of this Capital Securities Guarantee and
also means, with respect to a particular corporate trust matter, any other
officer to whom such matter is referred because of that officer's knowledge of
and familiarity with the particular subject.

            "Successor Capital Guarantee Trustee" means a successor Capital
Guarantee Trustee possessing the qualifications to act as Capital Guarantee
Trustee under Section 4.1.

            "Trust Indenture Act" means the Trust Indenture Act of 1939, as
amended.

            "Underwriting Agreement" has the meaning set forth in the Indenture.

                                   ARTICLE II
                               TRUST INDENTURE ACT

SECTION 2.1 Trust Indenture Act; Application

            (a) This Capital Securities Guarantee is subject to the provisions
of the Trust Indenture Act that are required to be part of this Capital
Securities Guarantee and shall, to the extent applicable, be governed by such
provisions; and

            (b) if and to the extent that any provision of this Capital
Securities Guarantee limits, qualifies or conflicts with the duties imposed by
Section 310 to 317, inclusive, of the Trust Indenture Act, such imposed duties
shall control.

SECTION 2.2 Lists of Holders of Securities

            (a) The Guarantor shall provide the Capital Guarantee Trustee with a
list, in such form as the Capital Guarantee Trustee may reasonably require, of
the names and addresses of the Holders ("List of Holders") as of such date, (i)
within one Business Day after January 1 and June 30 of each year, and (ii) at
any other time within 30 days of receipt by the Guarantor of a written request
for a List of Holders as of a date no more than 14 days before such List of
Holders is given to the Capital Guarantee Trustee; provided, that the Guarantor
shall not be obligated to provide such List of Holders at any time the List of
Holders does not differ from the most recent List of Holders given to the
Capital Guarantee Trustee by the Guarantor. The Capital Guarantee Trustee may
destroy any List of Holders previously given to it on receipt of a new List of
Holders.

            (b) The Capital Guarantee Trustee shall comply with its obligations
under Sections 311(a), 311(b) and 312(b) of the Trust Indenture Act.

SECTION 2.3 Reports by the Capital Guarantee Trustee

            Within 60 days after May 15 of each year, the Capital Guarantee
Trustee shall provide to the Holders such reports as are required by Section 313
of the Trust Indenture Act, if any, in the form and in the manner provided by
Section 313 of the Trust Indenture Act. The Capital Guarantee Trustee shall also
comply with the requirements of Section 313(d) of the Trust Indenture Act.
<PAGE>
SECTION 2.4 Periodic Reports to Capital Guarantee Trustee

            The Guarantor shall provide to the Capital Guarantee Trustee such
documents, reports and information as required by Section 314 (if any) and the
compliance certificate required by Section 314 of the Trust Indenture Act in the
form, in the manner and at the times required by Section 314 of the Trust
Indenture Act.

SECTION 2.5 Evidence of Compliance with Conditions Precedent

            The Guarantor shall provide to the Capital Guarantee Trustee such
evidence of compliance with any conditions precedent, if any, provided for in
this Capital Securities Guarantee that relate to any of the matters set forth in
Section 314(c) of the Trust Indenture Act. Any certificate or opinion required
to be given by an officer pursuant to Section 314(c)(1) may be given in the form
of an Officers' Certificate.

SECTION 2.6 Events of Default; Waiver

            The Holders of a Majority in liquidation amount of Capital
Securities may, by vote, on behalf of the Holders of all of the Capital
Securities, waive any past Event of Default and its consequences. Upon such
waiver, any such Event of Default shall cease to exist, and any Event of Default
arising therefrom shall be deemed to have been cured, for every purpose of this
Capital Securities Guarantee, but no such waiver shall extend to any subsequent
or other default or Event of Default or impair any right consequent thereon.

SECTION 2.7 Event of Default; Notice

            (a) The Capital Guarantee Trustee shall, within 90 days after the
occurrence of an Event of Default, transmit by mail, first class postage
prepaid, to the Holders, notices of all Events of Default actually known to a
Responsible Officer of the Capital Guarantee Trustee, unless such defaults have
been cured before the giving of such notice; provided, that the Capital
Guarantee Trustee shall be protected in withholding such notice if and so long
as a Responsible Officer of the Capital Guarantee Trustee in good faith
determines that the withholding of such notice is in the interests of the
Holders.

            (b) The Capital Guarantee Trustee shall not be deemed to have
knowledge of any Event of Default unless either the Capital Guarantee Trustee
shall have received written notice, or a Responsible Officer of the Capital
Guarantee Trustee charged with the administration of the Declaration shall have
obtained actual knowledge.

SECTION 2.8 Conflicting Interests

            The Declaration shall be deemed to be specifically described in this
Capital Securities Guarantee for the purposes of clause (i) of the first proviso
contained in Section 310(b) of the Trust Indenture Act.

                                  ARTICLE III.
                          POWERS, DUTIES AND RIGHTS OF
                            CAPITAL GUARANTEE TRUSTEE
<PAGE>
SECTION 3.1 Powers and Duties of the Capital Guarantee Trustee

            (a) This Capital Securities Guarantee shall be held by the Capital
Guarantee Trustee for the benefit of the Holders, and the Capital Guarantee
Trustee shall not transfer its right, title and interest in this Capital
Securities Guarantee to any Person except a Holder exercising his or her rights
pursuant to Section 5.4(b) or to a Successor Capital Guarantee Trustee on
acceptance by such Successor Capital Guarantee Trustee of its appointment to act
as Successor Capital Guarantee Trustee. The right, title and interest of the
Capital Guarantee Trustee shall automatically vest in any Successor Capital
Guarantee Trustee, and such vesting and cessation of title shall be effective
whether or not conveyancing documents have been executed and delivered pursuant
to the appointment of such Successor Capital Guarantee Trustee.

            (b) If an Event of Default actually known to a Responsible Officer
of the Capital Guarantee Trustee has occurred and is continuing, the Capital
Guarantee Trustee shall enforce this Capital Securities Guarantee for the
benefit of the Holders of the Capital Securities.

            (c) The Capital Guarantee Trustee, before the occurrence of any
Event of Default and after the curing of all Events of Default that may have
occurred, shall undertake to perform only such duties as are specifically set
forth in this Capital Securities Guarantee, and no implied covenants shall be
read into this Capital Securities Guarantee against the Capital Guarantee
Trustee. In case an Event of Default has occurred (that has not been cured or
waived pursuant to Section 2.6) and is actually known to a Responsible Officer
of the Capital Guarantee Trustee, the Capital Guarantee Trustee shall exercise
such of the rights and powers vested in it by this Capital Securities Guarantee,
and use the same degree of care and skill in its exercise thereof, as a prudent
person would exercise or use under the circumstances in the conduct of his or
her own affairs.

            (d) No provision of this Capital Securities Guarantee shall be
construed to relieve the Capital Guarantee Trustee from liability for its own
negligent action, its own negligent failure to act or its own willful
misconduct, except that:

            (i) Prior to the occurrence of any Event of Default and after the
      curing or waiving of all such Events of Default that may have occurred:

                  (A) the duties and obligations of the Capital Guarantee
            Trustee shall be determined solely by the express provisions of this
            Capital Securities Guarantee, and the Capital Guarantee Trustee
            shall not be liable except for the performance of such duties and
            obligations as are specifically set forth in this Capital Securities
            Guarantee, and no implied covenants or obligations shall be read
            into this Capital Securities Guarantee against the Capital Guarantee
            Trustee; and

                  (B) in the absence of bad faith on the part of the Capital
            Guarantee Trustee, the Capital Guarantee Trustee may conclusively
            rely, as to the truth of the statements and the
<PAGE>
            correctness of the opinions expressed therein, upon any certificates
            or opinions furnished to the Capital Guarantee Trustee and
            conforming to the requirements of this Capital Securities Guarantee;
            but in the case of any such certificates or opinions that by any
            provision hereof are specifically required to be furnished to the
            Capital Guarantee Trustee, the Capital Guarantee Trustee shall be
            under a duty to examine the same to determine whether or not they
            conform to the requirements of this Capital Securities Guarantee;

            (ii) the Capital Guarantee Trustee shall not be liable for any error
      of judgment made in good faith by a Responsible Officer of the Capital
      Guarantee Trustee, unless it shall be proved that the Capital Guarantee
      Trustee was negligent in ascertaining the pertinent facts upon which such
      judgment was made;

            (iii) the Capital Guarantee Trustee shall not be liable with respect
      to any action taken or omitted to be taken by it in good faith in
      accordance with the direction of the Holders of not less than a Majority
      in liquidation amount of the Capital Securities relating to the time,
      method and place of conducting any proceeding for any remedy available to
      the Capital Guarantee Trustee, or exercising any trust or power conferred
      upon the Capital Guarantee Trustee under this Capital Securities
      Guarantee; and

            (iv) no provision of this Capital Securities Guarantee shall require
      the Capital Guarantee Trustee to expend or risk its own funds or otherwise
      incur personal financial liability in the performance of any of its duties
      or in the exercise of any of its rights or powers, if the Capital
      Guarantee Trustee shall have reasonable grounds for believing that the
      repayment of such funds or liability is not reasonably assured to it under
      the terms of this Capital Securities Guarantee or indemnity, reasonably
      satisfactory to the Capital Guarantee Trustee, against such risk or
      liability is not reasonably assured to it.

SECTION 3.2 Certain Rights of Capital Guarantee Trustee

            (a) Subject to the provisions of Section 3.1:

            (i) The Capital Guarantee Trustee may conclusively rely, and shall
      be fully protected in acting or refraining from acting upon, any
      resolution, certificate, statement, instrument, opinion, report, notice,
      request, direction, consent, order, bond, debenture, note, other evidence
      of indebtedness or other paper or document believed by it to be genuine
      and to have been signed, sent or presented by the proper party or parties.

            (ii) Any direction or act of the Guarantor contemplated by this
      Capital Securities Guarantee shall be sufficiently evidenced by an
      Officers' Certificate.

            (iii) Whenever, in the administration of this Capital Securities
      Guarantee, the Capital Guarantee Trustee shall deem it desirable that a
      matter be
<PAGE>
      proved or established before taking, suffering or omitting any action
      hereunder, the Capital Guarantee Trustee (unless other evidence is herein
      specifically prescribed) may, in the absence of bad faith on its part,
      request and conclusively rely upon an Officers' Certificate which, upon
      receipt of such request, shall be promptly delivered by the Guarantor.

            (iv) The Capital Guarantee Trustee shall have no duty to see to any
      recording, filing or registration of any instrument (or any rerecording,
      refiling or registration thereof).

            (v) The Capital Guarantee Trustee may consult with counsel, and the
      written advice or opinion of such counsel with respect to legal matters
      shall be full and complete authorization and protection in respect of any
      action taken, suffered or omitted by it hereunder in good faith and in
      accordance with such advice or opinion. Such counsel may be counsel to the
      Guarantor or any of its Affiliates and may include any of its employees.
      The Capital Guarantee Trustee shall have the right at any time to seek
      instructions concerning the administration of this Capital Securities
      Guarantee from any court of competent jurisdiction.

            (vi) The Capital Guarantee Trustee shall be under no obligation to
      exercise any of the rights or powers vested in it by this Capital
      Securities Guarantee at the request or direction of any Holder, unless
      such Holder shall have provided to the Capital Guarantee Trustee such
      security and indemnity, reasonably satisfactory to the Capital Guarantee
      Trustee, against the costs, expenses (including attorneys' fees and
      expenses and the expenses of the Capital Guarantee Trustee's agents,
      nominees or custodians) and liabilities that might be incurred by it in
      complying with such request or direction, including such reasonable
      advances as may be requested by the Capital Guarantee Trustee; provided
      that, nothing contained in this Section 3.2(a)(vi) shall be taken to
      relieve the Capital Guarantee Trustee, upon the occurrence of an Event of
      Default, of its obligation to exercise the rights and powers vested in it
      by this Capital Securities Guarantee.

            (vii) The Capital Guarantee Trustee shall not be bound to make any
      investigation into the facts or matters stated in any resolution,
      certificate, statement, instrument, opinion, report, notice, request,
      direction, consent, order, bond, debenture, note, other evidence of
      indebtedness or other paper or document, but the Capital Guarantee
      Trustee, in its discretion, may make such further inquiry or investigation
      into such facts or matters as it may see fit.

            (viii) The Capital Guarantee Trustee may execute any of the trusts
      or powers hereunder or perform any duties hereunder either directly or by
      or through agents, nominees, custodians or attorneys, and the Capital
      Guarantee Trustee shall not be responsible for any misconduct or
      negligence on the part of any agent or attorney appointed with due care by
      it hereunder.
<PAGE>
            (ix) Any action taken by the Capital Guarantee Trustee or its agents
      hereunder shall bind the Holders of the Capital Securities, and the
      signature of the Capital Guarantee Trustee or its agents alone shall be
      sufficient and effective to perform any such action. No third party shall
      be required to inquire as to the authority of the Capital Guarantee
      Trustee to so act or as to its compliance with any of the terms and
      provisions of this Capital Securities Guarantee, both of which shall be
      conclusively evidenced by the Capital Guarantee Trustee's or its agent's
      taking such action.

            (x) Whenever in the administration of this Capital Securities
      Guarantee the Capital Guarantee Trustee shall deem it desirable to receive
      instructions with respect to enforcing any remedy or right or taking any
      other action hereunder, the Capital Guarantee Trustee (i) may request
      instructions from the Holders of a Majority in liquidation amount of the
      Capital Securities, (ii) may refrain from enforcing such remedy or right
      or taking such other action until such instructions are received, and
      (iii) shall be protected in conclusively relying on or acting in
      accordance with such instructions.

            (b) No provision of this Capital Securities Guarantee shall be
deemed to impose any duty or obligation on the Capital Guarantee Trustee to
perform any act or acts or exercise any right, power, duty or obligation
conferred or imposed on it in any jurisdiction in which it shall be illegal, or
in which the Capital Guarantee Trustee shall be unqualified or incompetent in
accordance with applicable law, to perform any such act or acts or to exercise
any such right, power, duty or obligation. No permissive power or authority
available to the Capital Guarantee Trustee shall be construed to be a duty.

SECTION 3.3 Not Responsible for Recitals or Issuance of Guarantee

            The recitals contained in this Guarantee shall be taken as the
statements of the Guarantor, and the Capital Guarantee Trustee does not assume
any responsibility for their correctness. The Capital Guarantee Trustee makes no
representation as to the validity or sufficiency of this Capital Securities
Guarantee.

                                   ARTICLE IV
                            CAPITAL GUARANTEE TRUSTEE

SECTION 4.1 Capital Guarantee Trustee; Eligibility

            (a) There shall at all times be a Capital Guarantee Trustee which
shall:

            (i) not be an Affiliate of the Guarantor; and

            (ii) be a corporation organized and doing business under the laws of
      the United States of America or any State or Territory thereof or of the
      District of Columbia, or a corporation or Person permitted by the
      Securities and Exchange Commission to act as an institutional trustee
      under the Trust Indenture Act, authorized under such laws to exercise
      corporate trust powers, having a combined capital and surplus of at least
      50 million U.S. dollars ($50,000,000), and subject to
<PAGE>
      supervision or examination by Federal, State, Territorial or District of
      Columbia authority. If such corporation publishes reports of condition at
      least annually, pursuant to law or to the requirements of the supervising
      or examining authority referred to above, then, for the purposes of this
      Section 4.1(a)(ii), the combined capital and surplus of such corporation
      shall be deemed to be its combined capital and surplus as set forth in its
      most recent report of condition so published.

            (b) If at any time the Capital Guarantee Trustee shall cease to be
eligible to so act under Section 4.1(a), the Capital Guarantee Trustee shall
immediately resign in the manner and with the effect set out in Section 4.2(c).

            (c) If the Capital Guarantee Trustee has or shall acquire any
"conflicting interest" within the meaning of Section 310(b) of the Trust
Indenture Act, the Capital Guarantee Trustee and Guarantor shall in all respects
comply with the provisions of Section 310(b) of the Trust Indenture Act.

SECTION 4.2 Appointment, Removal and Resignation of Capital Guarantee Trustees

            (a) Subject to Section 4.2(b), the Capital Guarantee Trustee may be
appointed or removed without cause at any time by the Guarantor except if an
Event of Default shall have occurred and be continuing.

            (b) The Capital Guarantee Trustee shall not be removed in accordance
with Section 4.2(a) until a Successor Capital Guarantee Trustee has been
appointed and has accepted such appointment by written instrument executed by
such Successor Capital Guarantee Trustee and delivered to the Guarantor.

            (c) The Capital Guarantee Trustee appointed to office shall hold
office until a Successor Capital Guarantee Trustee shall have been appointed or
until its removal or resignation. The Capital Guarantee Trustee may resign from
office (without need for prior or subsequent accounting) by an instrument in
writing executed by the Capital Guarantee Trustee and delivered to the
Guarantor, which resignation shall not take effect until a Successor Capital
Guarantee Trustee has been appointed and has accepted such appointment by
instrument in writing executed by such Successor Capital Guarantee Trustee and
delivered to the Guarantor and the resigning Capital Guarantee Trustee.

            (d) If no Successor Capital Guarantee Trustee shall have been
appointed and accepted appointment as provided in this Section 4.2 within 60
days after delivery to the Guarantor of an instrument of resignation, the
resigning Capital Guarantee Trustee may petition any court of competent
jurisdiction for appointment of a Successor Capital Guarantee Trustee. Such
court may thereupon, after prescribing such notice, if any, as it may deem
proper, appoint a Successor Capital Guarantee Trustee.

            (e) No Capital Guarantee Trustee shall be liable for the acts or
omissions to act of any Successor Capital Guarantee Trustee.

            (f) Upon termination of this Capital Securities Guarantee or removal
or resignation of the Capital Guarantee Trustee pursuant to this Section 4.2,
the Guarantor shall pay
<PAGE>
to the Capital Guarantee Trustee all amounts accrued and owing to such Capital
Guarantee Trustee to the date of such termination, removal or resignation.

                                    ARTICLE V
                                    GUARANTEE

SECTION 5.1 Guarantee

            The Guarantor irrevocably and unconditionally agrees to pay in full
to the Holders the Guarantee Payments, as and when due, regardless of any
defense, right of set-off or counterclaim that the Issuer may have or assert.
The Guarantor's obligation to make a Guarantee Payment may be satisfied by
direct payment of the required amounts by the Guarantor to the Holders or by
causing the Issuer to pay such amounts to the Holders.

SECTION 5.2 Waiver of Notice and Demand

            The Guarantor hereby waives notice of acceptance of this Capital
Securities Guarantee and of any liability to which it applies or may apply,
presentment, demand for payment, any right to require a proceeding first against
the Issuer or any other Person before proceeding against the Guarantor, protest,
notice of nonpayment, notice of dishonor, notice of redemption and all other
notices and demands.

SECTION 5.3 Obligations Not Affected

            The obligations, covenants, agreements and duties of the Guarantor
under this Capital Securities Guarantee shall in no way be affected or impaired
by reason of the happening from time to time of any of the following:

            (a) the release or waiver, by operation of law or otherwise, of the
performance or observance by the Issuer of any express or implied agreement,
covenant, term or condition relating to the Capital Securities to be performed
or observed by the Issuer;

            (b) the extension of time for the payment by the Issuer of all or
any portion of the Distributions, Redemption Price, Liquidation Distribution or
any other sums payable under the terms of the Capital Securities or the
extension of time for the performance of any other obligation under, arising out
of, or in connection with, the Capital Securities;

            (c) any failure, omission, delay or lack of diligence on the part of
the Holders to enforce, assert or exercise any right, privilege, power or remedy
conferred on the Holders pursuant to the terms of the Capital Securities, or any
action on the part of the Issuer granting indulgence or extension of any kind;

            (d) the voluntary or involuntary liquidation, dissolution, sale of
any collateral, receivership, insolvency, bankruptcy, assignment for the benefit
of creditors, reorganization, arrangement, composition or readjustment of debt
of, or other similar proceedings affecting, the Issuer or any of the assets of
the Issuer;

            (e) any invalidity of, or defect or deficiency in, the Capital
Securities;
<PAGE>
            (f) the settlement or compromise of any obligation guaranteed hereby
or hereby incurred; or

            (g) any other circumstance whatsoever that might otherwise
constitute a legal or equitable discharge or defense of a guarantor, it being
the intent of this Section 5.3 that the obligations of the Guarantor hereunder
shall be absolute and unconditional under any and all circumstances.

            There shall be no obligation of the Holders to give notice to, or
obtain consent of, the Guarantor with respect to the happening of any of the
foregoing.

SECTION 5.4 Rights of Holders

            (a) The Holders of a Majority in liquidation amount of the Capital
Securities have the right to direct the time, method and place of conducting any
proceeding for any remedy available to the Capital Guarantee Trustee in respect
of this Capital Securities Guarantee or exercising any trust or power conferred
upon the Capital Guarantee Trustee under this Capital Securities Guarantee.

            (b) If the Capital Guarantee Trustee fails to enforce its rights
under this Capital Securities Guarantee, any Holder may directly institute a
legal proceeding against the Guarantor to enforce the Capital Guarantee
Trustee's rights under this Capital Securities Guarantee, without first
instituting a legal proceeding against the Issuer, the Capital Guarantee Trustee
or any other Person or entity.

            (c) A Holder of Capital Securities may also directly institute a
legal proceeding against the Guarantor to enforce such Holder's right to receive
payment under this Capital Securities Guarantee without first (i) directing the
Capital Guarantee Trustee to enforce the terms of this Capital Securities
Guarantee or (ii) instituting a legal proceeding directly against the Issuer or
any other Person or entity.

SECTION 5.5 Guarantee of Payment

            This Capital Securities Guarantee creates a guarantee of payment and
not of collection.
<PAGE>
SECTION 5.6 Subrogation

            The Guarantor shall be subrogated to all (if any) rights of the
Holders of Capital Securities against the Issuer in respect of any amounts paid
to such Holders by the Guarantor under this Capital Securities Guarantee;
provided, however, that the Guarantor shall not (except to the extent required
by mandatory provisions of law) be entitled to enforce or exercise any right
that it may acquire by way of subrogation or any indemnity, reimbursement or
other agreement, in all cases as a result of payment under this Capital
Securities Guarantee, if, at the time of any such payment, any amounts are due
and unpaid under this Capital Securities Guarantee. If any amount shall be paid
to the Guarantor in violation of the preceding sentence, the Guarantor agrees to
hold such amount in trust for the Holders and to pay over such amount to the
Holders.

SECTION 5.7 Independent Obligations

            The Guarantor acknowledges that its obligations hereunder are
independent of the obligations of the Issuer with respect to the Capital
Securities, and that the Guarantor shall be liable as principal and as debtor
hereunder to make Guarantee Payments pursuant to the terms of this Capital
Securities Guarantee notwithstanding the occurrence of any event referred to in
subsections (a) through (g), inclusive, of Section 5.3 hereof.

                                   ARTICLE VI
                    LIMITATION OF TRANSACTIONS; SUBORDINATION

SECTION 6.1 Limitation of Transactions

            So long as any Capital Securities remain outstanding, if there shall
have occurred any event that would constitute an Event of Default or a Default
under the Declaration, then (a) the Guarantor shall not declare or pay any
dividend on, make any distributions with respect to, or redeem, purchase,
acquire or make a liquidation payment with respect to, any of its capital stock
or make any guarantee payment with respect thereto (other than (i) repurchases,
redemptions or other acquisitions of shares of capital stock of the Guarantor in
connection with any employment contract, benefit plan or other similar
arrangement with or for the benefit of employees, officers, directors or
consultants, (ii) as a result of an exchange or conversion of any class or
series of the Guarantor's capital stock for any other class or series of the
Guarantor's capital stock, or (iii) the purchase of fractional interests in
shares of the Guarantor's capital stock pursuant to the conversion or exchange
provisions of such capital stock or the security being converted or exchanged)
and (b) the Guarantor shall not make any payment of interest on, or principal of
(or premium, if any, on), or repay, repurchase or redeem, any debt securities
issued by the Guarantor that rank pari passu with or junior to the Debentures;
provided, however, the Guarantor may declare and pay a stock dividend where the
dividend stock is the same stock as that on which the dividend is being paid.

SECTION 6.2 Subordination

            The obligations of the Guarantor under this Capital Securities
Guarantee will constitute unsecured obligations of the Guarantor and will rank
subordinate and junior in right of
<PAGE>
payment to all Senior Indebtedness (as defined in the Indenture) of the
Guarantor to the extent and in the manner set forth in the Indenture with
respect to the Debentures, and the provisions of Article Fourteen of the
Indenture will apply, mutatis mutandis, to the obligations of the Guarantor
hereunder. The obligations of the Guarantor hereunder do not constitute Senior
Indebtedness (as defined in the Indenture) of the Guarantor.

SECTION 6.3 Pari Passu Guarantees

            The obligations of the Guarantor under this Capital Securities
Guarantee shall rank pari passu with the obligations of the Guarantor under (i)
any similar guarantee agreements issued by the Guarantor on behalf of the
holders of preferred or capital securities issued by any Citigroup Trust (as
defined in the Indenture), (ii) the Indenture and the Securities (as defined
therein) issued thereunder, (iii) any expense agreements entered into by the
Guarantor in connection with the offering of preferred or capital securities by
any Citigroup Trust (as defined in the Indenture), and (iv) any other security,
guarantee or other agreement or obligation that is by its terms pari passu with
the Securities (as defined in the Indenture) and, in the case of this clause
(iv) only, (x) is issued with the concurrence or approval of the staff of the
Federal Reserve Bank of New York or the staff of the Board of Governors of the
Federal Reserve System or (y) does not at the time of issuance prevent the
Securities from qualifying for tier 1 capital treatment (irrespective of any
limits on the amount of the Company's tier 1 capital) under the applicable
capital adequacy guidelines, regulations, policies or published interpretations
of the Board of Governors of the Federal Reserve System.

                                   ARTICLE VII
                                   TERMINATION

SECTION 7.1 Termination

            This Capital Securities Guarantee shall terminate upon (i) full
payment of the Redemption Price of all Capital Securities, (ii) the distribution
of the Debentures to the Holders of all of the Capital Securities or (iii) full
payment of the amounts payable in accordance with the Declaration upon
liquidation of the Issuer. Notwithstanding the foregoing, this Capital
Securities Guarantee will continue to be effective or will be reinstated, as the
case may be, if at any time any Holder must restore payment of any sums paid
under the Capital Securities or under this Capital Securities Guarantee.

                                  ARTICLE VIII
                                 INDEMNIFICATION

SECTION 8.1 Exculpation

            (a) No Indemnified Person shall be liable, responsible or
accountable in damages or otherwise to the Guarantor or any Covered Person for
any loss, damage or claim incurred by reason of any act or omission performed or
omitted by such Indemnified Person in good faith in accordance with this Capital
Securities Guarantee and in a manner that such Indemnified Person reasonably
believed to be within the scope of the authority conferred on such Indemnified
Person by this Capital Securities Guarantee or by law, except that an
Indemnified
<PAGE>
Person shall be liable for any such loss, damage or claim incurred by reason of
such Indemnified Person's negligence or willful misconduct with respect to such
acts or omissions.

            (b) An Indemnified Person shall be fully protected in relying in
good faith upon the records of the Guarantor and upon such information,
opinions, reports or statements presented to the Guarantor by any Person as to
matters the Indemnified Person reasonably believes are within such other
Person's professional or expert competence and who has been selected with
reasonable care by or on behalf of the Guarantor, including information,
opinions, reports or statements as to the value and amount of the assets,
liabilities, profits, losses, or any other facts pertinent to the existence and
amount of assets from which Distributions to Holders might properly be paid.

SECTION 8.2 Indemnification

            The Guarantor agrees to indemnify each Indemnified Person for, and
to hold each Indemnified Person harmless against, any loss, liability or expense
incurred without negligence or bad faith on its part, arising out of or in
connection with the acceptance or administration of the trust or trusts
hereunder, including the costs and expenses (including reasonable legal fees and
expenses) of defending itself against, or investigating, any claim or liability
in connection with the exercise or performance of any of its powers or duties
hereunder. The obligation to indemnify as set forth in this Section 8.2 shall
survive the termination of this Capital Securities Guarantee.

                                   ARTICLE IX
                                  MISCELLANEOUS

SECTION 9.1 Successors and Assigns

            All guarantees and agreements contained in this Capital Securities
Guarantee shall bind the successors, assigns, receivers, trustees and
representatives of the Guarantor and shall inure to the benefit of the Holders
of the Capital Securities then outstanding.

SECTION 9.2 Amendments

            Except with respect to any changes that do not adversely affect the
rights of Holders (in which case no consent of Holders will be required), this
Capital Securities Guarantee may be amended only with the prior approval of the
Holders of not less than a Majority in aggregate liquidation amount (including
the stated amount that would be paid on redemption, liquidation or otherwise,
plus accrued and unpaid Distributions to the date upon which the voting
percentages are determined) of all the outstanding Capital Securities. The
provisions of Section 12.2 of the Declaration with respect to meetings of
Holders apply to the giving of such approval.

SECTION 9.3 Notices
<PAGE>
            All notices provided for in this Capital Securities Guarantee shall
be in writing, duly signed by the party giving such notice, and shall be
delivered, telecopied or mailed by registered or certified mail, as follows:

            (a) If given to the Capital Guarantee Trustee, at the Capital
Guarantee Trustee's mailing address set forth below (or such other address as
the Capital Guarantee Trustee may give notice of to the Holders):

                  JPMorgan Chase Bank
                  4 New York Plaza - 15th Floor
                  New York, New York 10004
                  Attention:  Institutional Trust Services

            (b) If given to the Guarantor, at the Guarantor's mailing address
set forth below (or such other address as the Guarantor may give notice of to
the Holders):

                  Citigroup Inc.,
                  153 East 53rd Street
                  New York, NY 10043
                  Attention:  Guy R. Whittaker, Treasurer

            (c) If given to any Holder, at the address set forth on the books
and records of the Issuer.

            All such notices shall be deemed to have been given when received in
person, telecopied with receipt confirmed, or mailed by first class mail,
postage prepaid except that if a notice or other document is refused delivery or
cannot be delivered because of a changed address of which no notice was given,
such notice or other document shall be deemed to have been delivered on the date
of such refusal or inability to deliver.

SECTION 9.4 Benefit

            This Capital Securities Guarantee is solely for the benefit of the
Holders of the Capital Securities and, subject to Section 3.1(a), is not
separately transferable from the Capital Securities.

SECTION 9.5 Governing Law

            THIS CAPITAL SECURITIES GUARANTEE SHALL BE GOVERNED BY, AND
CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK,
AND ALL RIGHTS AND REMEDIES SHALL BE GOVERNED BY SUCH LAWS WITHOUT REGARD FOR
THE PRINCIPLES OF ITS CONFLICTS OF LAWS.
<PAGE>
            THIS CAPITAL SECURITIES GUARANTEE is executed as of the day and year
first above written.

                                    CITIGROUP INC.,
                                    as Guarantor

                                    By:
                                        ---------------------------------------
                                        Name: Guy R. Whittaker
                                        Title: Treasurer

                                    JPMORGAN CHASE BANK,
                                    as Capital Guarantee Trustee

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

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