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                                                                    EXHIBIT 5.02

                                                                    May 26, 2000

Citigroup Inc.
153 East 53rd Street
New York, NY  10043

Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
c/o Citigroup Inc.
153 East 53rd Street
New York, NY 10043

         Re:  Citigroup Inc.
              Citigroup Capital VII
              Citigroup Capital VIII
              Citigroup Capital IX
              Citigroup Capital X
              Citigroup Capital XI
              Citigroup Capital XII
              Citigroup Capital XIII
              Registration Statement on Form S-3

Ladies and Gentlemen:

         We have acted as special counsel to (1) Citigroup Capital VII
(formerly Travelers Capital VII), Citigroup Capital VIII (formerly Travelers
Capital VIII), Citigroup Capital IX, Citigroup Capital X, Citigroup Capital XI,
Citigroup Capital XII and Citigroup Capital XIII (each, a "Citigroup Trust"
and, together, the "Citigroup Trusts"), each a statutory business trust created

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 2

         under the laws of the State of Delaware, and (2) Citigroup Inc.
         (formerly Travelers Group Inc.)(the "Company"), a corporation
         organized under the laws of the State of Delaware, in connection with
         the preparation of a Registration Statement on Form S-3 (the
         "Registration Statement"), to be filed by the Company and the
         Citigroup Trusts with the Securities and Exchange Commission (the
         "Commission") on May 26, 2000 under the Securities Act of 1933, as
         amended (the "Act"). The Registration Statement relates to, among
         other things, the issuance and sale from time to time pursuant to Rule
         415 of the General Rules and Regulations promulgated under the Act, of
         the following securities with an aggregate public offering price of up
         to $8,000,000,000: (i) capital securities (the "Capital Securities")
         of each of the Citigroup Trusts, (ii) unsecured junior subordinated
         debt securities (the "Junior Subordinated Debt Securities") of the
         Company which are to be issued pursuant to an Indenture, dated as of
         October 7, 1996, as supplemented by the First Supplemental Indenture
         thereto dated as of December 15, 1998 (as so supplemented, the
         "Indenture"), between the Company and The Chase Manhattan Bank, as
         debt trustee (the "Debt Trustee"), (iii) shares of preferred stock,
         par value $1.00 per share (the "Preferred Stock") of the Company to be
         issued in one or more series, which may also be issued in the form of
         depositary shares (the "Depositary Shares") evidenced by depositary
         receipts (the "Receipts") pursuant to one or more deposit agreements
         (each, a "Deposit Agreement") to be entered into between the Company
         and a depositary to be named (the "Depositary") and (iv) shares of
         common stock, par value $.01 per share (the "Common Stock"), of the
         Company as may be issuable upon conversion of some or all of the
         Preferred Stock (the "Offered Common Stock").

                  The Capital Securities of each Citigroup Trust are to be
         issued pursuant to the Amended and Restated Declaration of Trust of
         such Citigroup Trust (each, a "Declaration" and, collectively, the
         "Declarations"), each such Declaration being among the Company, as
         sponsor and as the issuer of the Junior Subordinated Debentures (as
         defined therein) to be held by the Property Trustee (as defined below)
         of such Citigroup Trust, Chase

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 3

         Manhattan Bank Delaware, as Delaware trustee (the "Delaware Trustee"),
         The Chase Manhattan Bank, as property trustee (the "Property
         Trustee"), and Todd Thomson, Irwin Ettinger and Stephanie B. Mudick,
         as regular trustees (together, the "Regular Trustees").

                  This opinion is being delivered in accordance with the
         requirements of Item 601(b)(5) of Regulation S-K under the Act.
         Capitalized terms used but not otherwise defined herein have the
         meanings ascribed to them in the Registration Statement.

                  In connection with this opinion, we have examined originals
         or copies, certified or otherwise identified to our satisfaction, of
         (i) the Registration Statement, (ii) the certificates of trust of each
         of (A) Citigroup Capital VII, as filed with the Secretary of State of
         the State of Delaware on May 14, 1997 and the amendment thereto as
         filed with the Secretary of State of the State of Delaware on October
         8, 1998, (B) Citigroup Capital VIII, as filed with the Secretary of
         State of the State of Delaware on May 16, 1997 and the amendment
         thereto as filed with the Secretary of State of the State of Delaware
         on December 7, 1998, (C) Citigroup Capital IX, as filed with the
         Secretary of State of the State of Delaware on December 7, 1998, (D)
         Citigroup Capital X, as filed with the Secretary of State of the State
         of Delaware on December 7, 1998, (E) Citigroup Capital XI, as filed
         with the Secretary of State of the State of Delaware on December 7,
         1998, (F) Citigroup Capital XII, as filed with the Secretary of State
         of the State of Delaware on December 7, 1998 and (G) Citigroup Capital
         XIII, as filed with the Secretary of State of the State of Delaware on
         December 7, 1998 (collectively, the "Certificates of Trust"); (iii)
         the Form of the Declaration of each of the Citigroup Trusts (including
         the form of the designations of the terms of the Capital Securities of
         such Citigroup Trust annexed thereto)(collectively, the
         "Declarations"); (iv) the form of the Capital Securities of each of
         the Citigroup Trusts; (v) the form of the capital securities guarantee
         agreement (the "Capital Securities Guarantee"), to be entered into by
         the Company and The Chase Manhattan Bank, as guarantee trustee (the
         "Capital Securities Guarantee Trustee"); (vi) the form of the

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May  26, 2000
Page 4

         Junior Subordinated Debt Securities; (vii) the form of the Deposit
         Agreement; (viii) an executed copy of the Indenture; (ix) the Restated
         Certificate of Incorporation of the Company, as amended to date (the
         "Certificate of Incorporation"); (x) the By-Laws of the Company, as
         currently in effect (the "By-Laws"); (xi) drafts of certain
         resolutions of the Board of Directors of the Company (the "Draft
         Resolutions") relating to the issuance and sale of the Offered Debt
         Securities (as defined below), the Capital Securities Guarantee, the
         Preferred Stock, the Depositary Shares and the Offered Common Stock
         and related matters and (xii) a specimen certificate evidencing the
         Common Stock. We have also examined originals or copies, certified or
         otherwise identified to our satisfaction, of such other documents,
         certificates and records as we have deemed necessary or appropriate as
         a basis for the opinions set forth herein.

                  In our examination, we have assumed the legal capacity of all
         natural persons, the genuineness of all signatures, the authenticity
         of all documents submitted to us as originals, the conformity to
         original documents of all documents submitted to us as certified or
         photostatic copies and the authenticity of the originals of such
         copies. In making our examination of executed documents or documents
         to be executed, we have assumed that the parties thereto, other than
         the Company and the Citigroup Trusts, had or will have the power,
         corporate, trust or other, to enter into and perform all obligations
         thereunder and have also assumed the due authorization by all
         requisite action, corporate or other, and execution and delivery by
         such parties of such documents and that such documents constitute
         valid and binding obligations of such parties. In addition, we have
         assumed that the Declaration of each Citigroup Trust, the Capital
         Securities of each Citigroup Trust, the Capital Securities Guarantee
         and the Junior Subordinated Debt Securities will be executed in
         substantially the form reviewed by us and that the terms of the
         Offered Capital Securities (defined below), the Offered Debt
         Securities (defined below), the Offered Preferred Stock (defined
         below) and the Depositary Shares will have been established so as not
         to violate, conflict with or constitute a default under (i) any
         agreement or instrument to which the Company or any of the Citigroup
         Trusts or their respective

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 5

         property is subject, (ii) any law, rule, or regulation to which the
         Company or any of the Citigroup Trusts is subject, (iii) any judicial
         or administrative order or decree of any governmental authority or
         (iv) any consent, approval, license, authorization or validation of,
         or filing, recording or registration with any governmental authority.
         We have also assumed that (i) the stock certificates evidencing the
         Preferred Stock to be issued will be in a form that complies with, and
         the terms of such Preferred Stock will be duly established in
         accordance with, the Delaware General Corporation Law (the "DGCL"),
         and (ii) the stock certificate evidencing any Offered Common Stock
         issued will conform to the specimen certificate examined by us and
         will be duly executed and delivered. As to any facts material to the
         opinions expressed herein which were not independently established or
         verified, we have relied upon oral or written statements and
         representations of officers, trustees and other representatives of the
         Company, the Citigroup Trusts and others.

                  Members of our firm are admitted to the bar in the States of
         Delaware and New York, and we do not express any opinion as to the
         laws of any other jurisdiction other than the laws of the United
         States of America to the extent specifically referred to herein.

                  Based on and subject to the foregoing and to the other
         qualifications and limitations set forth herein, we are of the opinion
         that:

                  1.       With respect to the Capital Securities of each
         Citigroup Trust to be offered pursuant to the Registration Statement
         (the "Offered Capital Securities"), when (i) the Registration
         Statement, as finally amended (including all necessary post-effective
         amendments), has become effective under the Act; (ii) an appropriate
         prospectus with respect to the Offered Capital Securities has been
         prepared, delivered and filed in compliance with the Act and the
         applicable rules and regulations thereunder; (iii) the Declaration of
         such Citigroup Trust has been duly executed and delivered by the
         parties thereto; (iv) the terms of the Offered Capital Securities have
         been established in accordance with the Declaration; (v) the Offered
         Capital

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 6

         Securities have been issued, executed and authenticated in accordance
         with the Declaration and delivered and paid for in the manner
         contemplated in the Registration Statement or any prospectus relating
         thereto; and (vi) if the Offered Capital Securities are to be sold
         pursuant to a firm commitment underwritten offering, the underwriting
         agreement with respect to the Offered Capital Securities has been duly
         authorized, executed and delivered by the applicable Citigroup Trust
         and the other parties thereto, (1) the Offered Capital Securities will
         be duly authorized for issuance and will be validly issued, fully paid
         and nonassessable, representing undivided beneficial interests in the
         assets of such Citigroup Trust and (2) the holders of the Offered
         Capital Securities will be entitled to the same limitation of personal
         liability extended to stockholders of private corporations for profit
         organized under the DGCL. We bring to your attention, however, that
         the holders of the Offered Capital Securities may be obligated,
         pursuant to the Declaration of such Citigroup Trust, to (i) provide
         indemnity and/or security in connection with, and pay taxes or
         governmental charges arising from, transfers of Offered Capital
         Securities and (ii) provide security and indemnity in connection with
         the requests of or directions to the Property Trustee of such
         Citigroup Trust to exercise its rights and powers under the
         Declaration of such Citigroup Trust.

                  2.       With respect to the Capital Securities Guarantee,
         when (i) the Registration Statement, as finally amended (including all
         necessary post-effective amendments), has become effective under the
         Act; (ii) the Draft Resolutions have been adopted by the Board of
         Directors of the Company; (iii) an appropriate prospectus with respect
         to the Capital Securities Guarantee has been prepared, delivered and
         filed in compliance with the Act and the applicable rules and
         regulations thereunder; (iv) the Declaration of such Citigroup Trust
         is duly executed and delivered by the parties thereto; (v) the terms
         of the Offered Capital Securities have been established in accordance
         with the Declaration; (vi) the Offered Capital Securities have been
         issued and executed in accordance with the Declaration and paid for in
         the manner contemplated in the Registration Statement or any
         prospectus relating thereto; and (vii) if the Offered Capital

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 7


         Securities are to be sold pursuant to a firm commitment underwritten
         offering, the underwriting agreement with respect to the Capital
         Securities Guarantee has been duly authorized, executed and delivered
         by the applicable Citigroup Trust and the other parties thereto, the
         Capital Securities Guarantee, when duly executed and delivered by the
         parties thereto, will be a valid and binding agreement of the Company,
         enforceable against the Company in accordance with its terms, except
         to the extent that (a) enforcement thereof may be limited by (i)
         bankruptcy, insolvency, reorganization, moratorium, or other similar
         laws now or hereafter in effect relating to creditors' rights
         generally and (ii) general principles of equity (regardless of whether
         enforceability is considered in a proceeding at law or in equity) and
         (b) rights to indemnity and contribution thereunder may be limited by
         applicable law or the public policy underlying such law.

                  3.       With respect to any series of Junior Subordinated
         Debt Securities (the "Offered Debt Securities"), when (i) the
         Registration Statement, as finally amended (including all necessary
         post-effective amendments), has become effective under the Act; (ii)
         the Draft Resolutions have been adopted by the Board of Directors of
         the Company; (iii) an appropriate prospectus with respect to the
         Offered Debt Securities has been prepared, delivered and filed in
         compliance with the Act and the applicable rules and regulations
         thereunder; (iv) the Board of Directors, including any appropriate
         committee appointed thereby, and appropriate officers of the Company
         have taken all necessary corporate action to approve the issuance and
         terms of the Offered Debt Securities and related matters; (v) the
         terms of the Offered Debt Securities have been established in
         conformity with the Indenture; (vi) the Offered Debt Securities are
         duly executed, delivered, authenticated and issued in accordance with
         the Indenture and delivered and paid for in the manner contemplated in
         the Registration Statement or any prospectus relating thereto; and
         (vii) if the Offered Debt Securities are to be sold pursuant to a firm
         commitment underwritten offering, the underwriting agreement with
         respect to the Offered Debt Securities has been duly authorized,
         executed and delivered by the parties thereto, the Offered

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 8

         Debt Securities will be valid and binding obligations of the Company,
         entitled to the benefits of the Indenture and enforceable against the
         Company in accordance with their terms, except to the extent that
         enforcement thereof may be limited by (i) bankruptcy, insolvency,
         fraudulent conveyance, reorganization, moratorium, or other similar
         laws now or hereafter in effect relating to creditors' rights
         generally and (ii) general principles of equity (regardless of whether
         enforceability is considered in a proceeding at law or in equity).

                  4.       With respect to the shares of any series of
         Preferred Stock (the "Offered Preferred Stock"), when (i) the
         Registration Statement, as finally amended (including all necessary
         post-effective amendments), has become effective under the Act; (ii)
         the Draft Resolutions have been adopted by the Board of Directors of
         the Company; (iii) an appropriate prospectus supplement with respect
         to the shares of the Offered Preferred Stock has been prepared,
         delivered and filed in compliance with the Act and the applicable
         rules and regulations thereunder; (iv) the terms of the Offered
         Preferred Stock and of their issuance and sale have been duly
         established by all necessary corporate action in conformity with the
         Company's Certificate of Incorporation, including the Certificate of
         Designation relating to the Offered Preferred Stock, and the By-Laws
         of the Company; (v) the filing of the Certificate of Designation with
         the Secretary of State of the State of Delaware has duly occurred;
         (vi) if the Offered Preferred Stock is to be sold pursuant to a firm
         commitment underwritten offering, the underwriting agreement with
         respect to the shares of the Offered Preferred Stock has been duly
         authorized, executed and delivered by the Company and the other
         parties thereto; and (vii) certificates representing the shares of the
         Offered Preferred Stock have been duly executed and delivered by the
         proper officers of the Company to the purchasers thereof against
         payment of the agreed-upon consideration therefor in the manner
         contemplated in the Registration Statement or any prospectus
         supplement or term sheet relating thereto, (1) the shares of the
         Offered Preferred Stock, when issued and sold in accordance with the
         applicable underwriting agreement or any other duly authorized,
         executed and delivered applicable purchase agreement, will be

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 9

         duly authorized, validly issued, fully paid and nonassessable,
         provided that the consideration therefor is not less than the par
         value thereof; and (2) if the Offered Preferred Stock is convertible
         into Offered Common Stock, the Offered Common Stock issuable upon
         conversion of the Offered Preferred Stock will be duly authorized,
         validly issued, fully paid and nonassessable, assuming the issuance of
         the Offered Common Stock upon conversion of the Offered Preferred
         Stock has been authorized by all necessary corporate action, that the
         Offered Preferred Stock has been converted in accordance with the
         terms of the Certificate of Designation and that the certificates
         evidencing such shares of Offered Common Stock are duly executed and
         delivered. In rendering the opinion set forth in clause (2) of this
         paragraph 4, we have assumed that, at the time of issuance of any
         Offered Common Stock upon conversion of the Offered Preferred Stock,
         the Certificate of Incorporation, the By-Laws and the DGCL shall not
         have been amended so as to affect the validity of such issuance.

                  5.       With respect to any Depositary Shares representing
         fractional interests in any Offered Preferred Stock, when (i) the
         Registration Statement, as finally amended (including all necessary
         post-effective amendments), has become effective under the Act; (ii)
         the Draft Resolutions have been adopted by the Board of Directors of
         the Company; (iii) an appropriate prospectus supplement with respect
         to the Depositary Shares has been prepared, delivered and filed in
         compliance with the Act and the applicable rules and regulations
         thereunder; (iv) the Board of Directors, including any appropriate
         committee appointed thereby, and appropriate officers of the Company
         have taken all necessary corporate action to approve the issuance and
         terms of the Depositary Shares and related matters, including the
         adoption of the Certificate of Designation for the related Offered
         Preferred Stock; (v) the filing of the Certificate of Designation with
         the Secretary of State of the State of Delaware has duly occurred;
         (vi) the Deposit Agreement has been duly executed and delivered; (vii)
         the terms of the Depositary Shares and of their issuance and sale have
         been duly established by all necessary corporate action in conformity
         with the Deposit Agreement; (viii) the related Offered Preferred Stock
         that is represented by

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 10

         Depositary Shares has been duly authorized, validly issued and
         delivered to the Depositary for deposit in accordance with the laws of
         the States of Delaware and New York; (ix) if the Depositary Shares are
         to be sold pursuant to a firm commitment underwritten offering, the
         underwriting agreement with respect to the Depositary Shares has been
         duly authorized, executed and delivered by the Company and the other
         parties thereto; and (x) the Receipts evidencing the Depositary Shares
         are duly issued against the deposit of the Offered Preferred Stock in
         accordance with the Deposit Agreement, such Receipts will be validly
         issued and will entitle the holders thereof to the rights specified
         therein and in the Deposit Agreement, subject to (i) the effects of
         bankruptcy, insolvency, reorganization, moratorium or other similar
         laws now or hereinafter in effect relating to creditors' rights
         generally and (ii) general principles of equity (regardless of whether
         enforcement is considered in a proceeding at law or in equity).

                  There is no provision in the Certificate of Incorporation
         which purports to restrict the surplus of the Company by reason of the
         excess, if any, of the liquidation preference of the shares of
         Preferred Stock over their par value. The applicable provisions of the
         DGCL, 8 Del. C. Sections 154 and 170(a), which define capital and
         surplus of a Delaware corporation available for the payment of
         dividends, do not purport to restrict such surplus by reason of any
         such excess. Moreover, we are not aware of any applicable provisions
         of the Constitution of the State of Delaware nor any controlling
         Delaware case law which would suggest that surplus would be restricted
         by the excess of the liquidation preference over the par value of the
         shares of Preferred Stock. Accordingly, while there are no authorities
         specifically addressing this issue, it is our opinion that (i) there
         should be no restriction upon the surplus of the Company available for
         the payment of dividends on any outstanding capital stock of the
         Company solely by reason of the fact that the liquidation preference
         of any shares of any series of Preferred Stock exceeds the par value
         of such shares and (ii) no remedy should be available to the holders
         of any shares of any series of Preferred Stock before or after payment
         of any dividend solely because such dividend

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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 11

         would reduce the surplus of the Company to an amount less than the
         amount of such excess, assuming that the payment of such dividend is
         in accordance with the provisions of the DGCL, and of the Certificate
         of Incorporation including the applicable Certificate of Designation.


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Citigroup Inc.
Citigroup Capital VII
Citigroup Capital VIII
Citigroup Capital IX
Citigroup Capital X
Citigroup Capital XI
Citigroup Capital XII
Citigroup Capital XIII
May 26, 2000
Page 12


                  We hereby consent to the filing of this opinion with the
         Commission as an exhibit to the Registration Statement. We also hereby
         consent to the use of our name under the heading "Legal Matters" in
         each of the two prospectuses which forms a part of the Registration
         Statement. In giving this consent, we do not thereby admit that we are
         within the category of persons whose consent is required under Section
         7 of the Act or the rules and regulations of the Commission
         promulgated thereunder. This opinion is expressed as of the date
         hereof unless otherwise expressly stated, and we disclaim any
         undertaking to advise you of any subsequent changes in the facts
         stated or assumed herein or of any subsequent changes in applicable
         law.

                                            Very truly yours,


                                             /s/ Skadden, Arps, Slate, Meagher
                                                 & Flom LLP