CAPITAL TRUST INC
SC 13D/A, 2000-05-23
MORTGAGE BANKERS & LOAN CORRESPONDENTS
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      As filed with the Securities and Exchange Commission on May 23, 2000

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                 SCHEDULE 13D/A
                                (Amendment No. 6)

                    Under the Securities Exchange Act of 1934

                               Capital Trust, Inc.
- -------------------------------------------------------------------------------
                                (Name of Issuer)

                              Class A Common Stock
- -------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    14052H100
- -------------------------------------------------------------------------------
                                 (CUSIP Number)

                             Thomas E. Kruger, Esq.
                            Michael L. Zuppone, Esq.
                                Battle Fowler LLP
                               75 East 55th Street
                               New York, NY 10022
                                 (212) 856-7000
 (Name, Address and Telephone Number of Person Authorized to Receive
                          Notices and Communications)

                                  March 8, 2000
- -------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e)(f) or (g), check the following box .

Note: Six copies of this statement, including all exhibits, should be filed with
the Commission. See Rule 13d-7 for other parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act.

931287.3

<PAGE>



CUSIP No. 14052H100                                                SCHEDULE 13D


1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    Veqtor Finance Company, L.L.C.
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)
                                                                  (b)
3   SEC USE ONLY

4   SOURCE OF FUNDS*

    AF, BK
5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d) or 2(e)

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    State of Delaware

                      7        SOLE VOTING POWER
                                    3,192,288
NUMBER OF
SHARES                8        SHARED VOTING POWER
BENEFICIALLY                          -0-
OWNED BY EACH
REPORTING             9        SOLE DISPOSITIVE POWER
PERSON WITH                            -0-

                      10       SHARED DISPOSITIVE POWER
                                      3,192,288

11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                   3,192,288
12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*

13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                   15.16%
14        TYPE OF REPORTING PERSON*
                   OO



                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


931287.3

<PAGE>



CUSIP No. 14052H100                                    SCHEDULE 13D


1          NAME OF REPORTING PERSON
           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           Zell General Partnership, Inc.
2          CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)
                                                                         (b)
3          SEC USE ONLY

4          SOURCE OF FUNDS*

           AF, BK
5          CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
           TO ITEMS 2(d) or 2(e)

6          CITIZENSHIP OR PLACE OF ORGANIZATION

           State of Illinois

NUMBER OF                7    SOLE VOTING POWER
SHARES                             3,267,288
BENEFICIALLY             8    SHARED DISPOSITIVE POWER
OWNED BY                             -0-
EACH
REPORTING                9    SOLE DISPOSITIVE POWER
PERSON WITH                          -0-

                        10    SHARED DISPOSITIVE POWER
                                   3,267,288

11         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                    3,267,288
12         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
           SHARES*

13         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                    15.52%
14         TYPE OF REPORTING PERSON*
                    CO


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

931287.3

<PAGE>



CUSIP No. 14052H100                                    SCHEDULE 13D



1          NAME OF REPORTING PERSON
           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           Sam Investment Trust
2          CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a)
                                                                           (b)
3          SEC USE ONLY

4          SOURCE OF FUNDS*

           AF, BK
5          CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
           ITEMS 2(d) or 2(e)

6          CITIZENSHIP OR PLACE OF ORGANIZATION

           State of Illinois

                          7         SOLE VOTING POWER
                                       3,267,288
NUMBER OF
SHARES                    8         SHARED VOTING POWER
BENEFICIALLY                              -0-
OWNED BY
EACH                      9         SOLE DISPOSITIVE POWER
REPORTING                                 -0-
PERSON WITH
                         10         SHARED DISPOSITIVE POWER
                                           3,267,288

11         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                    3,267,288
12         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
           SHARES*

13         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                    15.52%
14         TYPE OF REPORTING PERSON*
                    OO



                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

931287.3

<PAGE>



CUSIP No. 14052H100                                    SCHEDULE 13D


1          NAME OF REPORTING PERSON
           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           Chai Trust Company, L.L.C.
2          CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*              (a)
                                                                          (b)
3          SEC USE ONLY

4          SOURCE OF FUNDS*

           AF, BK
5          CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
           TO ITEMS 2(d) or 2(e)

6          CITIZENSHIP OR PLACE OF ORGANIZATION

           State of Illinois

NUMBER OF                 7         SOLE VOTING POWER
SHARES                                   3,267,288
BENEFICIALLY              8         SHARED VOTING POWER
OWNED BY                                     -0-
EACH                      9         SOLE DISPOSITIVE POWER
REPORTING                                    -0-
PERSON WITH              10         SHARED DISPOSITIVE POWER
                                             -0-

11         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                    3,267,288
12         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
           SHARES

13         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                    15.52%
14         TYPE OF REPORTING PERSON*
                    OO


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

931287.3

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D



1         NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          SZ Investments, LLC
2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a)
                                                                          (b)
3         SEC USE ONLY

4         SOURCE OF FUNDS*

          AF, BK
5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
          ITEMS 2(d) or 2(e)

6         CITIZENSHIP OR PLACE OF ORGANIZATION

          State of Delaware

NUMBER OF                    7     SOLE VOTING POWER
SHARES                                   75,000
BENEFICIALLY                 8     SHARED VOTING POWER
OWNED BY EACH                             -0-
REPORTING                    9     SOLE DISPOSITIVE POWER
PERSON WITH                               -0-

11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                   75,000

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*

13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                   0.36%

14        TYPE OF REPORTING PERSON*
                   OO


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

931287.3

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D


1         NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

2          Samstock, L.L.C.
           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a)
                                                                           (b)

3         SEC USE ONLY

4         SOURCE OF FUNDS*

          AF, WC
5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
          ITEMS 2(d) or 2(e)

6         CITIZENSHIP OR PLACE OF ORGANIZATION

          State of Delaware

NUMBER OF                   7      SOLE VOTING POWER
SHARES                                  3,267,288
BENEFICIALLY
OWNED BY EACH               8      SHARED VOTING POWER
REPORTING                                 -0-
PERSON WITH                 9      SOLE DISPOSITION POWER
                                          -0-
                          10       SHARED DISPOSITIVE POWER
                                        75,000

11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                   75,000

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
          SHARES*

13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                   0.36%
14        TYPE OF REPORTING PERSON*
                   OO


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

931287.3

<PAGE>



CUSIP No. 14052H100                                    SCHEDULE 13D



1         NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          CMH Investment Partnership LP
2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a)
                                                                          (b)
3         SEC USE ONLY

4         SOURCE OF FUNDS*

          AF, BK
5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEMS 2(d) or 2(e)


6         CITIZENSHIP OR PLACE OF ORGANIZATION

          State of Delaware

NUMBER OF                    7      SOLE VOTING POWER
SHARES                                   2,300,132
BENEFICIALLY                 8      SHARED VOTING POWER
OWNED BY EACH                              -0-
REPORTING                    9      SOLE DISPOSITIVE POWER
PERSON WITH                                -0-
                            10      SHARED DISPOSITIVE POWER
                                           -0-

11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                   2,330,132
12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
          SHARES*

13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                   11.07%
14        TYPE OF REPORTING PERSON*
                   PN


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

931287.3

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D



1         NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          Craig M. Hatkoff
2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*              (a)
                                                                         (b)
3         SEC USE ONLY

4         SOURCE OF FUNDS*

          AF, BK
5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
          ITEMS 2(d) or 2(e)

6         CITIZENSHIP OR PLACE OF ORGANIZATION

          USA

NUMBER OF                    7       SOLE VOTING POWER
SHARES                                    2,489,799
BENEFICIALLY                 8       SHARED VOTING POWER
OWNED BY EACH                               -0-
REPORTING                    9       SOLE DISPOSITIVE POWER
PERSON WITH                               2,489,799
                            10       SHARED DISPOSITIVE POWER
                                              -0-

11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                   2,489,799
12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
          SHARES*

13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                   11.82%
14        TYPE OF REPORTING PERSON*
                   IN


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


931287.3

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D



1         NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          JRK Investment Partnership LP
2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                (a)
                                                                           (b)
3         SEC USE ONLY

4         SOURCE OF FUNDS*

          AF, BK
5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
          ITEMS 2(d) or 2(e)

6         CITIZENSHIP OR PLACE OF ORGANIZATION

          State of Delaware


NUMBER OF                  7 SOLE VOTING POWER
SHARES                            2,330,132
BENEFICIALLY               8 SHARED VOTING POWER
OWNED BY EACH                      -0-
REPORTING                  9 SOLE DISPOSITIVE POWER
PERSON WITH                        -0-
                          10 SHARED DISPOSITIVE POWER
                                   -0-

11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                   2,330,132
12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
          SHARES*

13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                   11.07%
14        TYPE OF REPORTING PERSON*
                   PN


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

931287.3

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D



1         NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

          John R. Klopp
2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*               (a)
                                                                          (b)
3         SEC USE ONLY

4         SOURCE OF FUNDS*

          AF, BK
5         CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
          ITEMS 2(d) or 2(e)

6         CITIZENSHIP OR PLACE OF ORGANIZATION

          USA

NUMBER OF                  7   SOLE VOTING POWER
SHARES                              2,481,799
BENEFICIALLY               8   SHARED VOTING POWER
OWNED BY EACH                         -0-
REPORTING                  9   SOLE DISPOSITIVE POWER
PERSON WITH                           2,481,799
                          10   SHARED DISPOSITIVE POWER
                                      -0-

11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                   2,481,799

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
          SHARES*

13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
                   11.78%

14        TYPE OF REPORTING PERSON*
                   IN


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

931287.3

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D


     This Amendment No. 6 to Schedule 13D is filed by the Reporting Persons (as
defined below) pursuant to rule 13d-2(a) under the Securities Exchange Act of
1934, as amended. This Amendment No. 6 to Schedule 13D amends and supplements:

         o                 the Schedule 13D, dated July 15, 1997, as filed with
                           the Securities and Exchange Commission (the "SEC") on
                           July 25, 1997, as amended by

          o    Amendment No. 1, as filed with the SEC on December 22, 1997, as
               amended by
          o    Amendment No. 2, as filed with the SEC on July 2, 1998, as
               amended by
          o    Amendment No. 3, as filed with the SEC on August 19, 1999, as
               amended by
          o    Amendment No. 4, as filed with the SEC on September 30, 1999, as
               amended by
          o    Amendment No. 5, as filed with the SEC on February 2, 2000
               (together with the original schedule as previously amended, the
               "Schedule 13D"). ------------

         The Reporting Persons are:

          (i)  Veqtor Finance Company, L.L.C., a Delaware limited liability
               company ("VFC");
          (ii) Samstock, L.L.C., a Delaware limited liability company
               ("Samstock");
          (iii) SZ Investments LLC, a Delaware limited liability company and the
               sole member of Samstock ("SZI");
          (iv) Zell General Partnership, Inc., an Illinois corporation and the
               sole managing member of SZI and the sole managing member of VFC
               ("Zell GP");
          (v)  the Sam Investment Trust, a trust formed under Illinois law and
               the sole stockholder of Zell GP ("Sam Trust");
          (vi) Chai Trust Company, L.L.C., an Illinois limited liability company
               and the trustee of Sam Trust ("Chai");
          (vii) CMH Investment Partnership LP, a Delaware limited partnership
               ("Hatkoff LP");
          (viii) Mr. Craig M. Hatkoff, a citizen of the United States and the
               general partner of Hatkoff LP ("Hatkoff");
          (ix) JRK Investment Partnership LP, a Delaware limited partnership
               ("Klopp LP"); and
          (x)  Mr. John R. Klopp, a citizen of the United States and the general
               partner of Klopp LP ("Klopp" and, collectively with VFC,
               Samstock, SZI, Zell GP, Sam Trust, Chai, Hatkoff LP, Hatkoff and
               Klopp LP, the "Reporting Persons").

     The original schedule reported beneficial ownership of class A common
shares of beneficial interest, $1.00 par value (the "Class A Common Shares"), in
Capital Trust, a California business trust. As reported in Amendment No. 3 to
the Schedule 13D, Capital Trust has been reorganized into Capital Trust, Inc., a
Maryland corporation and each Class A Common Share has been converted into one
share of class A common stock, par value $.01 per share, of Capital Trust, Inc.
This statement therefore now relates to the shares of class A common stock, par
value $.01 per share ("Class A Common Stock"), of Capital Trust, Inc.
(hereinafter the "Issuer"), whose principal office is located at 605 Third
Avenue, 26th Floor, New York, New York 10016. All capitalized terms not
otherwise defined herein shall have the meanings ascribed thereto in the
Schedule 13D.



931287.3
                                        1

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D



Item 5.           Interest in Securities of the Issuer.

Item 5 is amended as follows:

     (a) and (b) The aggregate percentage of shares of Class A Common Stock
reported beneficially owned by the Reporting Persons as of May 18, 2000 is based
upon 21,058,228 shares of Class A Common Stock issued and outstanding as
reported in the Issuer's proxy statement for special meeting of shareholders to
be held on June 21, 2000. The Reporting Persons as a group beneficially own
8,188,886 shares of Class A Common Stock, including (i) 7,955,552 outstanding
shares of Class A Common Stock; and (ii) 233,334 shares of stock issuable upon
exercise or conversion of outstanding stock options. The foregoing shares
represent approximately 38.60% of the outstanding shares of Class A Common Stock
(calculated in accordance with Rule 13d-3). VFC holds of record and thereby
directly beneficially owns and has the sole direct power to vote 3,192,288 of
the foregoing outstanding shares of Class A Common Stock (the "VFC Reported
Shares"). Chai, Sam Trust and Zell GP each have the indirect power to vote the
VFC Reported Shares. EGI, Chai, Sam Trust and Zell GP share the indirect power,
and VFC shares the direct power, to dispose of the VFC Reported Shares. Samstock
directly beneficially owns and has the sole direct power to vote 75,000 shares
of Class A Common Stock ("Samstock Reported Shares"). Chai, Sam Trust, Zell GP
and SZI each have the indirect power to vote the Samstock Reported Shares. EGI,
Chai, Sam Trust, Zell GP and SZI each share the indirect power and Samstock
shares the direct power to dispose of the Samstock Reported Shares. Hatkoff LP
holds of record and thereby directly beneficially owns and has the sole power to
vote and dispose of 2,330,132 of the foregoing outstanding shares of Class A
Common Stock (the "Hatkoff LP Reported Shares"). Hatkoff has the indirect power
to vote or dispose of the Hatkoff LP Reported Shares. Hatkoff beneficially owns
and has the sole power to vote and dispose of 18,000 outstanding shares of Class
A Common Stock. Hatkoff beneficially owns and will have the sole power to vote
and dispose of 141,667 shares of Class A Common Stock issuable upon the exercise
of options to purchase shares of Class A Common Stock that are, or become within
60 days, vested and exercisable. Klopp LP holds of record and thereby directly
beneficially owns and has the sole power to vote and dispose of 2,330,132 of the
foregoing outstanding shares of Class A Common Stock (the "Klopp LP Reported
Shares"). Klopp has the indirect power to vote or dispose of the Klopp LP
Reported Shares. Klopp beneficially owns and has the sole power to vote and
dispose of 10,000 outstanding shares of Class A Common Stock. Klopp beneficially
owns and will have the sole power to vote and dispose of 141,667 shares of Class
A Common Stock issuable upon the exercise of options to purchase shares of Class
A Common Stock that are, or become within 60 days, vested and exercisable.

Item 6.     Contracts, Arrangements, Understandings or Relationships with
            respect to Securities of the Issuer.

Item 6 is amended and supplemented by adding the following:

     On March 8, 2000, the Issuer entered into a strategic relationship with
Citigroup Investments Inc., a Delaware corporation ("CIG"), pursuant to which,
among other things, their respective affiliates will co- sponsor, commit to
invest capital in and manage high yield commercial real estate mezzanine
investment opportunity funds ("Mezzanine Funds").

     The strategic relationship is governed by a venture agreement, dated as of
March 8, 2000 (the "Venture Agreement"), amongst Travelers Limited Real Estate
Mezzanine Investments I, LLC, a Delaware limited liability company ("Limited
REMI I"), Travelers General Real Estate Mezzanine Investments II,

931287.3
                                        2

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D


LLC, a Delaware limited liability company ("General REMI II"), Travelers Limited
Real Estate Mezzanine Investments II, LLC, a Delaware limited liability company
("Limited REMI II" and together with Limited REMI I and General REMI II, the
"CIG Parties"), CT-F1, LLC, a Delaware limited liability company ("CT-F1"),
CT-F2-GP, LLC, a Delaware limited liability company ("CT-F2-GP"), CT-F2-LP, LLC,
a Delaware limited liability company ("CT-F2-LP"), CT Investment Management Co.,
LLC, a Delaware limited liability company ("CTIMCO" and together with CT-F1,
CT-F2-GP and CT-F2-LP, the "CT Parties") and the Issuer. The CIG Parties are
affiliates of CIG and the CT Parties are wholly owned subsidiaries of the
Issuer. A copy of the Venture Agreement was filed as Exhibit 10.1 to Capital
Trust, Inc.'s Current Report on Form 8-K (File No. 1-14788) filed on March 23,
2000 and is incorporated herein by reference.

     Pursuant to the Venture Agreement, the Issuer has agreed, subject to
stockholder approval and certain other conditions, to issue, in connection with
the organization and capitalization of certain of the Mezzanine Funds, warrants
to purchase up to 5,250,000 shares of Class A Common Stock at $5.00 per share
for ultimate transfer to Limited REMI II or a designated affiliate thereof (the
"Warrant Issuance") or alternatively, if the required stockholder approval of
the issuance of such shares underlying such warrants is not obtained, to provide
contingent cash rights designed to provide equivalent value.

     Pursuant to the Venture Agreement, the Issuer has also agreed as soon as
possible to take, and submit to stockholders for approval, the steps necessary
for it to be taxed as a real estate investment trust ("REIT Tax Matters") on
terms mutually satisfactory to the Issuer and the CIG Parties subject to changes
in law, acts of God or force majeure, or good faith inability to meet the
requisite qualifications.

     In connection with the Venture Agreement, the number of directorships on
Issuer's board of directors was increased by two, and Marc Weill and Michael
Watson (along with any of their successors designated by the CIG Parties, the
"CIG Parties' Designees") were appointed directors of the Issuer.

     In connection with the Venture Agreement, each of (i) VFC, (ii) Samstock,
(iii) Klopp and Klopp LP and (iv) Hatkoff and Hatkoff LP separately entered into
a stockholder approval agreement with General REMI II. Pursuant to each such
agreement, each such Reporting Person signatory thereto agreed, subject to
certain limitations contained therein in the case of any Reporting Person who is
an officer or director of the Issuer, to vote its shares of Class A Common Stock
in favor of the Warrant Issuance and any REIT Tax Matter submitted for
stockholder approval. Copies of the stockholder approval agreements are attached
hereto as Exhibits 3 through 6, and are incorporated herein by reference.

     In connection with the Venture Agreement, VFC, Samstock, Klopp, Klopp LP,
Hatkoff and Hatkoff LP entered into a single stockholder voting and lock-up
agreement with General REMI II. Pursuant to such stockholder voting and lock-up
agreement, such Reporting Persons agreed to lock-up provisions restricting their
ability to sell, transfer or pledge their shares of Class A Common Stock and,
subject to certain limitations contained therein in the case of Reporting
Persons who are officers or directors of the Issuer, to vote their shares of
Class A Common Stock in favor of the continued election of the CIG Parties'
Designees to the Issuer's board of directors and in favor of any REIT Tax Matter
submitted for stockholder approval. A copy of the voting and lock-up agreement
is attached hereto as Exhibit 2, and is incorporated herein by reference.


931287.3
                                        3

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D




931287.3
                                        4

<PAGE>



CUSIP No.  14052H100                                   SCHEDULE 13D



Item 7.  Material to Be Filed as Exhibits

Item 7 is amended and supplemented by adding the following:

         Exhibit No.       Description

<TABLE>
<S>     <C>

1.      Joint Filing Agreement and Power of Attorney, dated May 18, 2000.

2.      Stockholder Voting and Lock-Up Agreement, dated as of March 8, 2000, by and
        among Travelers General Real Estate Mezzanine Investments II, LLC, Veqtor
        Finance Company,  L.L.C., Samstock, L.L.C., CMH Investment Partnership LP,
        Craig M. Hatkoff, JRK Investment Partnership LP and John R. Klopp.

3.      Stockholder Approval Agreement, dated as of March 8, 2000, among Travelers
        General Real Estate Mezzanine Investments II, LLC and Veqtor Finance
        Company,  L.L.C.

4.      Stockholder Approval Agreement, dated as of March 8, 2000, among Travelers
        General Real Estate Mezzanine Investments II, LLC and Samstock, L.L.C.

5.      Stockholder Approval Agreement, dated as of March 8, 2000, among Travelers
        General Real Estate Mezzanine Investments II, LLC, CMH Investment
        Partnership LP, and Craig M. Hatkoff.

6.      Stockholder Approval Agreement, dated as of March 8, 2000, among Travelers
        General Real Estate Mezzanine Investments II, LLC, JRK Investment Partnership
        LP and John R. Klopp.

</TABLE>


931287.3
                                        5

<PAGE>



                                    SIGNATURE

     After reasonable inquiry and to the best of its knowledge and belief, each
of the undersigned certifies that the information set forth in this statement is
true, complete and correct and agrees that this statement may be filed jointly
with the other undersigned party.


Dated:        May 18, 2000










                   [BALANCE OF PAGE INTENTIONALLY LEFT BLANK]

931287.3

<PAGE>



Veqtor Finance Company, L.L.C.

By:    Zell General Partnership, Inc.,
       its managing member

       By:       /s/ Donald J. Liebentritt
              Name:   Donald J. Liebentritt
              Title:           Vice President

Samstock, L.L.C.

By:    SZ Investments, LLC,
       its member

       By:    Zell General Partnership, Inc.,
               its managing member

              By:     /s/ Donald J. Liebentritt
                    Name:   Donald J. Liebentritt
                    Title:     Vice President

SZ Investments, LLC

By:    Zell General Partnership, Inc.,
       its managing member

       By:      /s/ Donald J. Liebentritt
              Name:   Donald J. Liebentritt
              Title:     Vice President

Zell General Partnership, Inc.

By:     /s/ Donald J. Liebentritt
       Name:   Donald J. Liebentritt
       Title:     Vice President

Sam Investment Trust

By:    Chai Trust Company, L.L.C., trustee

       By:       /s/ Donald J. Liebentritt
              Name:   Donald J. Liebentritt
              Title:     Vice President

931287.3

<PAGE>



Chai Trust Company, L.L.C.

By:      /s/ Donald J. Liebentritt
       Name:   Donald J. Liebentritt
       Title:     Vice President

CMH Investment Partnership LP

By:    /s/ Craig M. Hatkoff
       Name:   Craig M. Hatkoff
       Title:     General Partner

Craig M. Hatkoff

       /s/ Craig M. Hatkoff
       Craig M. Hatkoff

JRK Investment Partnership LP

By:    /s/ John R. Klopp
       Name:   John R. Klopp
       Title:    General Partner

John R. Klopp

       /s/ John R. Klopp
       John R. Klopp





931287.3





Exhibit 1

                  JOINT FILING AGREEMENT AND POWER OF ATTORNEY


     (i) Joint Filing. Each of the undersigned persons does hereby agree to
jointly file with the Securities and Exchange Commission a Schedule 13D on
behalf of each of them with respect to their beneficial ownership of shares of
class A common stock, par value $.01 per share, of Capital Trust, Inc.

     (ii) Power of Attorney. Know all persons by these presents that each person
whose signature appears below constitutes and appoints Donald J. Liebentritt,
Alisa M. Singer and John R. Klopp, and each of them, as his or her true and
lawful attorneys-in-fact and agents with full power of substitution and
resubstitution, for such person and in such person's name, place and stead, in
any and all capacities, to sign any and all amendments to the Schedule 13D filed
on behalf of each of them with respect to their beneficial ownership of
securities of Capital Trust, Inc., and to file the same, with all exhibits
thereto and all documents in connection therewith, with the Securities and
Exchange Commission, granting unto said attorneys-in-fact and agents, and each
of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all
intents and purposes as such person might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents or any of
them, or such person or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.

Dated:        May 18, 2000





                   [BALANCE OF PAGE INTENTIONALLY LEFT BLANK]

931287.3

<PAGE>



Veqtor Finance Company, L.L.C.

By:    Zell General Partnership, Inc.,
       its managing member

       By:    /s/ Donald J. Liebentritt
              Name:   Donald J. Liebentritt
              Title:         Vice President

Samstock, L.L.C.

By:    SZ Investments, LLC,
       its member

       By:    Zell General Partnership, Inc.,
               its managing member

              By:   /s/ Donald J. Liebentritt
                    Name:    Donald J. Liebentritt
                    Title:   Vice President

SZ Investments, LLC

By:    Zell General Partnership, Inc.,
       its managing member

       By:    /s/ Donald J. Liebentritt
              Name:   Donald J. Liebentritt
              Title:         Vice President

Zell General Partnership, Inc.

By:    /s/ Donald J. Liebentritt
       Name:        Donald J. Liebentritt
       Title:         Vice President

Sam Investment Trust

By:    Chai Trust Company, L.L.C., trustee

       By:    /s/ Donald J. Liebentritt
              Name:   Donald J. Liebentritt
              Title:  Vice President

931287.3

<PAGE>


Chai Trust Company, L.L.C.

By:    /s/ Donald J. Liebentritt
       Name:        Donald J. Liebentritt
       Title:       Vice President

CMH Investment Partnership LP

By:    /s/ Craig M. Hatkoff
       Name:        Craig M. Hatkoff
       Title:       General Partner

Craig M. Hatkoff

       /s/ Craig M. Hatkoff
       Craig M. Hatkoff

JRK Investment Partnership LP

By:    /s/ John R. Klopp
       Name:        John R. Klopp
       Title:       General Partner

John R. Klopp

       /s/ John R. Klopp
       John R. Klopp

931287.3




                    STOCKHOLDER VOTING AND LOCK-UP AGREEMENT

     This STOCKHOLDER VOTING AND LOCK-UP AGREEMENT (this "Agreement") is made
and entered into as of March 8, 2000, by and among Travelers General Real Estate
Mezzanine Investments II, LLC, a Delaware limited liability Company ("General
REMI II "), and the holders of shares of class A common stock, par value $.01
per share, of Capital Trust, Inc., a Maryland corporation ("CT"), identified on
Schedule A attached hereto (collectively, the "Stockholders").

                              Preliminary Statement

     A. CT and certain of its affiliates and General REMI II and certain of its
Affiliates (the "CIG Parties"), propose to enter into a venture agreement, dated
as of the date hereof (the "Venture Agreement"), pursuant to which, among other
things, the parties thereto will co-sponsor, commit to invest capital in and
manage real estate mezzanine investment opportunity funds.

     B. As of the date hereof, the Stockholders own in the aggregate 7,955,552
shares of class A common stock, par value $.01 per share, of CT ("CT Common
Stock") and each Stockholder owns such number of shares of CT Common Stock as is
set forth opposite its name on Schedule A attached hereto.

     C. As set forth in the Venture Agreement, the Board of Directors of CT has
elected two individuals designated by the CIG Parties (the "Initial CIG Parties
Designees") identified on Schedule B attached hereto as directors of CT.

     D. As a condition to the CIG Parties' willingness to enter into the Venture
Agreement, the CIG Parties have requested the Stockholders to enter into this
Agreement.

     E. Capitalized terms used herein and not otherwise defined herein shall
have the meanings assigned to them in the Venture Agreement.

     NOW, THEREFORE, to induce General REMI II to enter into, and in
consideration of General REMI II entering into, the Venture Agreement, and in
consideration of the premises and for other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto
agree as follows:

912258.11
<PAGE>

                               Voting and Lock-Up

     1. Shares Subject to Agreement. Each of the Stockholders, respectively,
agrees to hold all shares of voting stock of CT registered in the Stockholder's
respective name or beneficially owned by the Stockholder as of the date hereof
(hereinafter collectively referred to as the "Shares") subject to, and to vote
the Shares in accordance with, the provisions of this Agreement.

     2. Voting Agreement.

          (a) On each occasion at which the holders of voting stock of CT meet,
     or act by written consent in lieu of meeting, for the purpose of electing
     directors, each Stockholder shall vote all Shares for the election of each
     of the two individuals designated by General REMI II (the "CIG Parties
     Designees") in accordance with the provisions of Section 2(b) at such time
     as such designee stands for election to the board of directors of CT (the
     "CT Board").

          (b) The Stockholders who are directors of CT shall, consistent with
     and subject to their duties as directors under the Maryland General
     Corporation Law, in their capacity as directors, take such action as may
     reasonably be within their power to cause the CT Board to elect or nominate
     for election as directors the CIG Parties Designees and shall promptly
     provide prior written notice of the CT Board's consideration of the
     election or the nomination of individuals for election as directors of CT,
     whereupon General REMI II shall promptly provide written notice of the
     name(s) of the CIG Parties Designee(s) designated by them to the extent
     that one or more of the incumbent Initial CIG Parties Designees or CIG
     Parties Designees, as the case may be, is unable to stand for reelection
     for any reason or General REMI II intends to designate an individual to
     replace such designee(s) and biographical information relating to such
     designee(s) in a form compliant with applicable securities laws and
     regulations and with the charter and bylaws of CT. In the absence of such
     notice from General REMI II, the incumbent Initial CIG Designees or the CIG
     Parties Designees, as the case may be, then serving on the CT Board shall
     be deemed to be the CIG Parties Designees designated by General REMI II.
     Any Stockholder who is a director of CT shall, consistent with and subject
     to his duties as a director under the Maryland General Corporation Law, in
     his capacity as a director, recommend to the CT Board that the board
     nominate the CIG Parties Designees for, actively solicit stockholder
     proxies in favor of their, election as directors of CT.

          (c) The Stockholders shall not take, or support the taking of, any
     action to remove as a director any CIG Parties Designee unless General REMI
     II has requested that such director be removed (in which case the
     Stockholders shall cooperate in effecting such removal and electing a
     replacement). In the event that any of the CIG Parties Designees ceases to
     serve as a director of the Company due to death, resignation or removal of
     said director, then General REMI II shall submit written notice to the
     Stockholders designating an individual to replace said CIG Parties
     Designee. Any Stockholder who is a director of CT shall, consistent with
     and subject to his duties as a director under the

                                       2
912258.11

<PAGE>

     Maryland General Corporation Law, in his capacity as a director, promptly
     recommend that the board of directors of CT elect such replacement designee
     as a director of CT and, when called for a vote of the CT Board, vote for
     such replacement designee.

          (d) On each occasion at which the holders of voting stock of CT meet,
     or act by written consent in lieu of meeting, for the purpose of acting on
     any REIT Tax Matter submitted to a vote of stockholders pursuant to Section
     2.14 of the Venture Agreement, each Stockholder shall vote all Shares in
     favor of such REIT Tax Matter.

          (e) On each occasion at which the holders of voting stock of CT meet,
     or act by written consent in lieu of meeting, for the purpose of acting on
     any amendment of CT's charter and amended and restated bylaws or other
     proposal or transaction involving CT or any of its subsidiaries, which
     amendment or other proposal or transaction would reasonably be expected in
     any manner to impede, frustrate, prevent, nullify CT's ability or
     obligation to consummate or effect any REIT Tax Matter, each Stockholder
     shall vote all Shares against any such amendment or other proposal or
     transaction.

          3. Termination of Voting Agreement.

          (a) The rights and obligations contained in Sections 2(a), (b) and (c)
     shall terminate and shall be of no further legal force and effect on the
     earlier of the date on which: (i) the CIG Parties no longer comply with the
     CIG Parties Ownership Requirement; (ii) CIG Real Estate no longer complies
     with the Competing Fund Restriction; (iii) if the Fund II Initial Closing
     shall not have occurred by no later than December 31, 2000 or any Extension
     Date, (a) the Unwind as set forth in the Fund I Agreement is completed or
     (b) any dissolution or liquidation of Fund I in accordance with its terms
     is completed; or (iv) upon the resignation of the CIG Parties Initial Board
     Designees as set forth in Section 2.12(e) of the Venture Agreement if the
     CIG Parties or the CT Parties exercise their right to terminate the Venture
     Agreement pursuant to such section.

          (b) The rights and obligations contained in Sections 2(d) and (e)
     shall terminate and shall be of no further legal force and effect on the
     earlier of the date on which (i) stockholders of CT shall have considered
     and voted upon any REIT Tax Matters presented for a vote pursuant to
     Section 2.14 of the Venture Agreement, (ii) if the Fund II Initial Closing
     shall not have occurred by no later than December 31, 2000 or any Extension
     Date, (a) the Unwind set forth in the Fund I Agreement is commenced or (b)
     any dissolution or liquidation of Fund I in accordance with its terms is
     completed, (iii) the Appraisal Procedures shall have commenced with respect
     to the Fair Market Value of the CIG Parties' and their Affiliates' Board
     Right Shares pursuant to Section 2.14 of the Venture Agreement, or (iv)
     upon the resignation of the CIG Parties Initial Board Designees as set
     forth in Section 2.12(e) of the Venture Agreement if the CIG Parties or the
     CT Parties exercise their right to terminate the Venture Agreement pursuant
     to such section.

                                       3
912258.11
<PAGE>

          (c) The rights and obligations contained in Section 2 shall also
     terminate and shall be of no further legal force and effect, with respect
     to any Stockholder who is an employee of the Company and any Stockholder
     who is an affiliate of such employee, upon the date of termination of
     employment with the Company for any reason.

          4. Lock-Up Agreement.

          (a) Subject to Section 4(b), without the prior written consent of
     General REMI II, the Stockholders shall not, directly or indirectly (i)
     offer, pledge, sell, contract to sell, sell any option, right or warrant
     for the sale of, or otherwise dispose of or transfer any CT Common Stock,
     or any other security or other instrument which by its terms is convertible
     into, exercisable or exchangeable for CT Common Stock, or file any
     registration statement under the Securities Act of 1933, as amended, with
     respect to any of the foregoing or (ii) enter into any swap or any other
     agreement or any transaction that transfers in whole or in part, directly
     or indirectly, the economic consequence of ownership of any CT Common
     Stock, whether any such swap or transaction is to be settled by delivery of
     CT Common Stock or other securities, in cash or otherwise.

          (b) Notwithstanding the foregoing, nothing contained in this Agreement
     shall be deemed to prohibit any Stockholder from (i) selling or
     transferring at any time during the Initial Period up to a number of shares
     of CT Common Stock that does not exceed in the aggregate 10% of the shares
     of CT Common Stock owned by such Stockholder as of the date hereof
     ("Lock-Up Liquidity Shares"), (ii) selling or transferring during any full
     year period within the Restricted Period (as defined below) and thereafter
     a number of shares of CT Common Stock that does not exceed the cumulative
     Annual Percentage Limit (as defined below) ("Restricted Period Transferable
     Shares") plus the number of Lock-Up Liquidity Shares not transferred
     pursuant to the provisions of clause (i) of this Section 4(b), (iii)
     pledging in one or more transaction(s) up to such number of its shares of
     CT Common Stock to any nationally recognized financial institution as
     collateral for a bona fide third party loan or using up to such number of
     its shares of CT Common Stock as collateral for a bona fide third party
     margin loan with a nationally recognized financial institution or
     broker/dealer that is equal to the maximum number that may be pledged or
     margined to secure an aggregate debt obligation (loan or margin amount)
     that does not exceed an amount equal to the greater of: (A) 33% multiplied
     by the aggregate Market Value (as defined below) of the shares of CT Common
     Stock held by such Stockholder at that time or (B) the product of (x) the
     percentage obtained by dividing the number of Lock-up Liquidity Shares not
     transferred pursuant to clause (i) of this Section 4(b) plus the number of
     Restricted Period Transferable Shares accrued for transfer, but not
     transferred pursuant to clause (ii) of this Section 4(b), by the total
     number of shares of CT Common Stock held by such Stockholders as of the
     date hereof and (y) the aggregate Market Value of the shares of CT Common
     Stock held by such Stockholder at that time, or (iv) subject to Section 10,
     converting or exchanging shares of CT Common Stock for other securities of
     CT or a successor corporation or entity pursuant to any agreement or plan
     of recapitalization, reorganization, merger or sale of substantially all
     assets. The term "Annual Percentage Limit" means, with respect to any
     Stockholder, the product

                                       4
912258.11
<PAGE>

     obtained by multiplying (i) the total number of shares of CT Common Stock
     held by such Stockholder as of the date hereof by (ii) a fraction the
     numerator of which is one (1) and the denominator of which is the sum of
     one (1) plus the total number of full year periods contained in the
     Investment Period for Fund II.

          (c) For purposes of this Section 4, the following terms shall have the
     following meanings:

          "Closing Price" with respect to any security on any day, means the
          last reported sale price, regular way on such day, or, if no sale
          takes place on such day, the average of the reported closing bid and
          asked prices on such day, regular way, in either case as reported on
          the NYSE Composite Tape, or, if such security is not listed or
          admitted to trading on the New York Stock Exchange, on the principal
          national securities exchange on which such security is listed or
          admitted to trading, or, if such security is not listed or admitted to
          trading on a national securities exchange, on the NASDAQ Stock Market
          of the National Association of Securities Dealers, Inc., or, if such
          security is not quoted or admitted to trading on such quotation
          system, on the principal quotation system on which such security is
          listed or admitted to trading or quoted, or, if not listed or admitted
          to trading or quoted on any national securities exchange or quotation
          system, the average of the closing bid and asked prices of such
          security in the over-the-counter market on the day in question as
          reported by the National Quotation Bureau Incorporated, or a similar
          generally accepted reporting service, or, if not so available in such
          manner, as furnished by any New York Stock Exchange member firm
          selected from time to time by the Board of Directors (or any committee
          duly authorized by the Board of Directors) for that purpose or, if not
          so available in such manner, as otherwise determined in good faith by
          the Board of Directors (or any committee duly authorized by the Board
          of Directors).

          "Initial Period" means the period from the date hereof until the
          earlier of (i) the commencement of the Investment Period for Fund II,
          (ii) December 31, 2000 or any Extension Date or (iii) the commencement
          of an Unwind.

          "Market Value" means the Closing Price for the CT Common Stock on the
          date preceding the loan or margin transaction.

          "Restricted Period" means the Investment Period for Fund II.

          5. Termination of Lock-Up Agreement.

          (a) The rights and obligations contained in Section 4 shall terminate
     and shall be of no further legal force and effect on the later of: (i) the
     later of December 31, 2000 or any Extension Date, as the case may be, if
     the Fund II Initial Closing shall not have occurred by no later than
     December 31, 2000 or any such Extension Date or (ii) if the Fund II Initial
     Closing has occurred, the end of the Investment Period of Fund II.

                                       5
912258.11
<PAGE>

          (b) The rights and obligations contained in Section 4 shall terminate
     and shall be of no further legal force and effect, with respect to any
     Stockholder who is an employee of the Company and any Stockholder who is an
     affiliate of such employee, upon the date of termination of employment with
     the Company for any reason.

          6. Further Assurances. Each Stockholder will, from time to time,
     execute and deliver, or cause to be executed and delivered, such additional
     or further transfers, assignments, endorsements, consents and other
     instruments as General REMI II may reasonably request for the purpose of
     effectively carrying out the transactions contemplated by this Agreement.

          7. Representations and Warranties of the Stockholders. Each
     Stockholder represents and warrants to General REMI II as follows.

          (a) Authority. Each Stockholder has all requisite power and authority
     to enter into this Agreement and to consummate the transactions
     contemplated hereby. The execution and delivery of this Agreement by each
     Stockholder, and the consummation of the transactions contemplated hereby,
     has been duly authorized by all necessary action on the part of each
     Stockholder. This Agreement has been duly executed and delivered by each
     Stockholder and, assuming the due authorization, execution and delivery by
     General REMI II, constitutes a valid and binding obligation of each
     Stockholder enforceable in accordance with its terms, except to the extent
     enforceability may be limited by bankruptcy, insolvency, moratorium or
     other similar laws affecting creditors' rights generally or by general
     principles governing the availability of equitable remedies. The execution
     and delivery of this Agreement does not, and the consummation of the
     transactions contemplated hereby and compliance with the terms hereof will
     not, conflict with, or result in any violation of or default (with or
     without notice or lapse of time or both) under any provision of any trust
     agreement, partnership agreement, loan or credit agreement, note, bond,
     mortgage, indenture, lease or other agreement, instrument, permit,
     concession, franchise, license, judgment, order, notice, decree, statute,
     law, ordinance, rule or regulation applicable to any of the Stockholders or
     to any of the property or assets of any of the Stockholders. Except for
     consents, approvals, authorizations and filings as may be required under
     the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the
     "HSR Act"), and the Securities Exchange Act of 1934, as amended ("Exchange
     Act"), no consent, approval, order or authorization of, or registration,
     declaration or filing with, any court, administrative agency or commission
     or other governmental authority or instrumentality, domestic, foreign or
     supranational ("Governmental Entity"), is required by or with respect to
     any Stockholder in connection with the execution and delivery of this
     Agreement or the consummation by any Stockholder of the transactions
     contemplated hereby.

          (b) The Shares. The Stockholders have good and valid title to the
     Shares set forth opposite its name in Schedule A attached hereto, free and
     clear of any claims, liens, encumbrances, pledges and security interests
     whatsoever. The Stockholders own no shares of CT Common Stock or other
     shares of stock of CT, other than the Shares. Except for this Agreement and
     those certain stockholder approval agreements, dated as of the date

                                       6
912258.11
<PAGE>

     hereof, by and between General REMI II and each Stockholder, no proxies or
     powers of attorney have been granted with respect to the Shares and no
     voting arrangement (including voting agreement or voting trust) has been
     entered into affecting the Shares that will remain in effect after the
     execution of this Agreement.

          (c) Venture Agreement. The Stockholders understand and acknowledge
     that the CIG Parties are entering into the Venture Agreement in reliance
     upon the Stockholders' execution and delivery of this Agreement.

     8. Representation and Warranties of General REMI II. General REMI II
represents and warrants to each Stockholder as follows:

          (a) Authority. General REMI II has all requisite limited liability
     company power and authority to enter into this Agreement and to consummate
     the transactions contemplated hereby. The execution and delivery of this
     Agreement by General REMI II, and the consummation of the transactions
     contemplated hereby, have been duly authorized by all necessary limited
     liability company action on the part of General REMI II. This Agreement has
     been duly executed and delivered by General REMI II, assuming the due
     authorization, execution and delivery by each of the Stockholders,
     constitutes a valid and binding obligation of General REMI II enforceable
     in accordance with its terms, except to the extent enforceability may be
     limited by bankruptcy, insolvency, moratorium or other similar laws
     affecting creditors' rights generally or by general principles governing
     the availability of equitable remedies. The execution and delivery of this
     Agreement does not, and the consummation of the transactions contemplated
     hereby and compliance with the terms hereof will not, conflict with, or
     result in any violation of or default (with or without notice or lapse of
     time or both) under any provision of any charter, by-law, loan or credit
     agreement, note, bond, mortgage, indenture, lease or other agreement,
     instrument, permit, concession, franchise, license, judgment, order,
     notice, decree, statute, law, ordinance, rule or regulation applicable to
     General REMI II or to any of the property or assets of any of General REMI
     II. Except for consents, approvals, authorizations and filings as may be
     required under the HSR Act and the Exchange Act, no consent, approval,
     order or authorization of, or registration, declaration or filing with, any
     Governmental Entity, is required by or with respect to any Stockholder in
     connection with the execution and delivery of this Agreement or the
     consummation by General REMI II of the transactions contemplated hereby.

     9. Duty. Notwithstanding the covenants of Stockholders contained in Section
2, any Stockholder who is an officer or director of CT, only in his capacity as
an officer or director of CT, may take any such action that is in furtherance of
the exercise of his duties as an officer or director under Maryland law, and no
such action in furtherance of the exercise of such duties shall be deemed to be
a breach or violation of the covenants of such Stockholder contained in Section
2 and the Stockholders shall not have any liability hereunder for any such
action taken in his capacity as an officer and director of CT in furtherance of
the exercise of such duties.

                                       7
912258.11
<PAGE>

     10. After Acquired Shares. In the event that, subsequent to the date of
this Agreement, (i) any shares of stock or other securities of CT or another
corporation or entity are issued on, or in conversion of or exchange for, any of
the Shares held by the Stockholders as of the date hereof by reason of any stock
dividend, stock split, consolidation of shares, reclassification or agreement or
plan of merger or consolidation or sale of substantially all assets involving
CT, such shares or securities shall be deemed to be Shares for all purposes of
this Agreement and (ii) any shares of voting stock of CT are acquired
beneficially or of record by the Stockholders, such shares of voting stock shall
be deemed to be Shares for purposes of only Section 2 of this Agreement.

     11. Assignment. Neither this Agreement nor any of the rights, interests or
obligations hereunder shall be assigned by any of the parties without the prior
written consent of the other parties, except that General REMI II may assign, in
its sole discretion, any or all of its rights and interests to Citigroup Inc. or
any of its direct or indirect wholly owned subsidiaries or other entities or to
Travelers Property Casualty Corp. or any of its direct or indirect wholly owned
subsidiaries or other entities. Subject to the preceding sentence, this
Agreement shall be binding upon, inure to the benefit of and be enforceable by
the parties and their respective successors and assigns and, in the case of any
Stockholder that is an individual, the heirs, executors and administrators of
such Stockholder.

     12. General Provisions.

          (a) Specific Performance. The parties agree that irreparable damage
     that is impossible to measure in money damages would occur in the event
     that any of the provisions of this Agreement were not performed in
     accordance with their specific terms or were otherwise breached. It is
     accordingly agreed that the parties shall be entitled to an injunction or
     injunctions to prevent breaches of this Agreement and to enforce
     specifically the terms and provisions of this Agreement in any court of the
     United States located in the State of New York or any New York state court,
     this being in addition to any other remedy to which they are entitled at
     law or in equity.

          (b) Expenses. All costs and expenses incurred in connection with this
     Agreement and the transactions contemplated hereby shall be paid by the
     party incurring such expense.

          (c) Amendments. This Agreement may not be amended except by an
     instrument in writing signed by each of the parties hereto.

          (d) Notice. All notices or other communications required or permitted
     hereunder shall be in writing and shall be deemed given or delivered (i)
     when delivered personally, or (ii) if sent by registered or certified mail,
     return receipt requested, or by private courier when received; and shall be
     addressed to the mailing addresses as shown on the signature pages hereto,
     with copies as indicated below each party's address or such other address
     as the parties may designate in a notice delivered to the other parties
     hereto:

                                       8
912258.11
<PAGE>

          (e) Interpretation. When a reference is made in this Agreement to
     Sections, such reference shall be to a Section to this Agreement unless
     otherwise indicated. The headings contained in this Agreement are for
     reference purposes only and shall not affect in any way the meaning or
     interpretation of this Agreement. Wherever the words "include", "includes"
     or "including" are used in this Agreement, they shall be deemed to be
     followed by the words "without limitation".

          (f) Counterparts. This Agreement may be executed in one or more
     counterparts, all of which shall be considered one and the same agreement,
     and shall become effective when one or more of the counter parties have
     been signed by each of the parties and delivered to the other party, it
     being understood that each party need not sign the same counterpart.

          (g) Entire Agreement; No Third-Party Beneficiaries. This Agreement
     together with all other agreements executed by the parties hereto on the
     date hereof (including the documents and instruments referred to herein),
     (i) constitutes the entire agreement and supersedes all prior agreements
     and understandings, both written and oral, among the parties with respect
     to the subject matter hereof and (ii) is not intended to confer upon any
     person other than the parties hereto any rights or remedies hereunder.

          (h) Governing Law. This Agreement shall be governed by and construed
     in accordance with the laws of the State of New York as to all matters,
     including but not limited, to matters of validity, construction, effect,
     performance and remedies, without regard to any applicable conflicts of
     law.

          (i) Waivers. Any term or provision of this Agreement may be waived, or
     the time for its performance may be extended, by the party or parties
     entitled to the benefit thereof. Any such waiver shall be validly and
     sufficiently given for the purposes of this Agreement if, as to any party,
     it is in writing signed by an authorized representative of such party. The
     failure of any party hereto to enforce at any time any provision of this
     Agreement shall not be construed to be a waiver of such provision, nor in
     any way to affect the validity of this Agreement or any part hereof or the
     right of any party thereafter to enforce each and every such provision. No
     waiver of any breach of this Agreement shall be held to constitute a waiver
     of any other or subsequent breach. No waivers of any breach of this
     Agreement extended by any party hereto to any other party shall be
     construed as a waiver of any rights or remedies of any other party hereto
     or with respect to any subsequent breach.

                                       9
912258.11
<PAGE>

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

GENERAL REMI II:                       TRAVELERS GENERAL REAL ESTATE
                                       MEZZANINE INVESTMENTS II, LLC

                                       By:  /s/  Michael Watson
                                          ---------------------------
                                          Michael Watson
                                          Vice President


                                       Travelers General Real Estate
                                       Mezzanine Investments II, LLC
                                       205 Columbus Blvd., 9PB
                                       Hartford, Connecticut 06183-2030
                                       Attn: Duane Nelson, Esq.
                                       Real Estate Investment Number: 12833

                                       With copies to:

                                       Citigroup Investments Inc.
                                       388 Greenwich Street, 36th Floor
                                       New York, New York  10013
                                       Attn:  Mr. Michael Watson
                                       Real Estate Investment Number: 12833

                                       Loeb & Loeb LLP
                                       1000 Wilshire Boulevard, Suite 1900
                                       Los Angeles, California 90017
                                       Attn:  Andrew S. Clare, Esq.

                                       10
912258.11
<PAGE>

STOCKHOLDERS:                          JOHN R. KLOPP


                                         /s/  John R. Klopp
                                       ------------------------------
                                       John R. Klopp
                                       Capital Trust, Inc.
                                       605 Third Avenue, 26th Floor
                                       New York, New York  10016


                                       JRK INVESTMENT PARTNERSHIP LP

                                       By:  /s/  John R. Klopp
                                          ---------------------------
                                          Name:   John R. Klopp
                                          Title:  General Partner

                                       JRK Investment Partnership LP
                                       c/o Capital Trust, Inc.
                                       605 Third Avenue, 26th Floor
                                       New York, New York  10016
                                       Attn: John R. Klopp

                                       CRAIG M. HATKOFF

                                       By:  /s/  Craig M. Hatkoff
                                          ---------------------------
                                          Craig M. Hatkoff
                                          Capital Trust, Inc.
                                          605 Third Avenue, 26th Floor
                                          New York, New York  10016


                                       CMH INVESTMENT PARTNERSHIP LP

                                       By:  /s/  Craig M. Hatkoff
                                          ---------------------------
                                          Name:   Craig M. Hatkoff
                                          Title:  General Partner

                                       CMH Investment Partnership LP
                                       c/o Capital Trust, Inc.
                                       605 Third Avenue, 26th Floor
                                       New York, New York  10016
                                       Attn: Craig M. Hatkoff

                                       11
912258.11
<PAGE>

                                      VEQTOR FINANCE COMPANY, L.L.C.

                                      By: Zell General Partnership, Inc.,
                                          its managing member

                                          By:  /s/  Donald J. Liebentritt
                                             ------------------------
                                             Name:  Donald J. Liebentritt
                                             Title: Vice President

                                      Veqtor Finance Company, L.L.C.
                                      c/o Equity Group Investments, L.L.C.
                                      Two North Riverside Plaza
                                      Chicago, Illinois  60606

                                      SAMSTOCK, L.L.C.

                                      By: Zell General Partnership, Inc.,
                                          its managing member

                                          By: Zell General Partnership, Inc.,
                                              its managing partner

                                              By:  /s/  Donald J. Liebentritt
                                                 --------------------
                                                 Name:  Donald J. Liebentritt
                                                 Title: Vice President

                                      Samstock, L.L.C.
                                      c/o Equity Group Investments, L.L.C.
                                      Two North Riverside Plaza
                                      Chicago, Illinois  60606


                                      With copies, in the case of
                                      each stockholder, to:

                                      Capital Trust, Inc.
                                      605 Third Avenue, 26th Floor
                                      New York, New York  10016
                                      Attn:  Mr. John Klopp

                                      Battle Fowler LLP
                                      75 East 55th Street
                                      New York, New York  10022
                                      Attn:  Thomas E. Kruger, Esq.

                                       12
912258.11
<PAGE>

SCHEDULE A

                                                Number of Shares of CT
                           Name                       Common Stock
                           ----                 -----------------------

John R. Klopp                                            10,000
JRK Investment Partnership LP                         2,330,132
Craig M. Hatkoff                                         18,000
CMH Investment Partnership LP                         2,330,132
Veqtor Finance Company L.L.C.                         3,192,288
Samstock, L.L.C.                                         75,000

                                       13
912258.11
<PAGE>

SCHEDULE B

Marc Weill
Michael Watson

                                       14
912258.11



                         STOCKHOLDER APPROVAL AGREEMENT


     STOCKHOLDER APPROVAL AGREEMENT (this "Agreement"), dated as of March 8,
2000, among Travelers General Real Estate Mezzanine Investments II, LLC, a
Delaware limited liability company ("General REMI II"), and Veqtor Finance
Company, L.L.C., a Delaware liability company ("Stockholder").

                              Preliminary Statement

     A. Capital Trust, Inc., a Maryland corporation ("CT"), and certain of its
affiliates (the "CT Parties") and General REMI II and certain of its Affiliates
(the "CIG Parties"), propose to enter into a venture agreement, dated as of the
date hereof (the "Venture Agreement"), pursuant to which, among other things,
the CIG Parties and CT and the CT Parties will co-sponsor, commit to invest
capital in and manage real estate mezzanine investment opportunity funds.

     B. The Stockholder owns in the aggregate 3,192,288 shares (the "Owned
Shares") of class A common stock, par value $.01 per share, of CT ("CT Common
Stock").

     C. As a condition to the CIG Parties' willingness to enter into the Venture
Agreement, the CIG Parties have requested the Stockholder to enter into this
Agreement.

     D. Capitalized terms used but not defined herein have the meanings set
forth in the Venture Agreement.

     NOW, THEREFORE, to induce the CIG Parties to enter into, and in
consideration of the CIG Parties entering into, the Venture Agreement, and in
consideration of the premises and the representations, warranties and agreements
contained herein, the parties agree as follows:

     1. Representations and Warranties of the Stockholder. The Stockholder
hereby, jointly and severally, represents and warrants to General REMI II as
follows:

          (a) Authority. The Stockholder has all requisite power and authority
     to enter into this Agreement and to consummate the transactions
     contemplated hereby. The execution and delivery of this Agreement by the
     Stockholder, and the consummation of the transactions contemplated hereby,
     has been duly authorized by all necessary action on the part of the
     Stockholder. This Agreement has been duly executed and delivered by the
     Stockholder and, assuming the due authorization, execution and delivery by
     General REMI II, constitutes a valid and binding obligation of the
     Stockholder enforceable in accordance with its terms, except to the extent
     enforceability may be limited by bankruptcy, insolvency, moratorium or
     other similar

926900.2
<PAGE>

     laws affecting creditors' rights generally or by general principles
     governing the availability of equitable remedies. The execution and
     delivery of this Agreement does not, and the consummation of the
     transactions contemplated hereby and compliance with the terms hereof will
     not, conflict with, or result in any violation of or default (with or
     without notice or lapse of time or both) under any provision of any trust
     agreement, partnership agreement, loan or credit agreement, note, bond,
     mortgage, indenture, lease or other agreement, instrument, permit,
     concession, franchise, license, judgment, order, notice, decree, statute,
     law, ordinance, rule or regulation applicable to the Stockholder or to any
     of the property or assets of the Stockholder. Except for consents,
     approvals, authorizations and filings as may be required under the
     Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR
     Act"), and the Securities Exchange Act of 1934, as amended ("Exchange
     Act"), no consent, approval, order or authorization of, or registration,
     declaration or filing with, any court, administrative agency or commission
     or other governmental authority or instrumentality, domestic, foreign or
     supranational ("Governmental Entity"), is required by or with respect to
     the Stockholder in connection with the execution and delivery of this
     Agreement or the consummation by the Stockholder of the transactions
     contemplated hereby.

          (b) The Owned Shares. The Stockholder has good and valid title to the
     Owned Shares, free and clear of any claims, liens, encumbrances, pledges
     and security interests whatsoever. The Stockholder owns no shares of CT
     Common Stock or other shares of stock of CT, other than the Owned Shares.
     Except for this Agreement, and that certain stockholder voting and lock-up
     agreement, dated as of the date hereof, by and among General REMI II, the
     Stockholder, and the other holders of CT Common Stock named therein (the
     "Voting and Lockup Agreement"), no proxies or powers of attorney have been
     granted with respect to the Owned Shares and no voting arrangement
     (including voting agreement or voting trust) has been entered into
     affecting the Owned Shares that will remain in effect after the execution
     of this Agreement.

          (c) Venture Agreement. The Stockholder understands and acknowledges
     that General REMI II is entering into the Venture Agreement in reliance
     upon the Stockholder's execution and delivery of this Agreement.

     2. Representations and Warranties of General REMI II. General REMI II
hereby represents and warrants to the Stockholder as follows:

          (a) Authority. General REMI II has all requisite limited liability
     company power and authority to enter into this Agreement and to consummate
     the transactions contemplated hereby. The execution and delivery of this
     Agreement by General REMI II, and the consummation of the transactions
     contemplated hereby, have been duly authorized by all necessary limited
     liability company action on the part of General REMI II. This Agreement has
     been duly executed and delivered by General REMI II,

                                       -2-
926900.2
<PAGE>



     assuming the due authorization, execution and delivery by the Stockholder,
     constitutes a valid and binding obligation of General REMI II enforceable
     in accordance with its terms, except to the extent enforceability may be
     limited by bankruptcy, insolvency, moratorium or other similar laws
     affecting creditors' rights generally or by general principles governing
     the availability of equitable remedies. The execution and delivery of this
     Agreement does not, and the consummation of the transactions contemplated
     hereby and compliance with the terms hereof will not, conflict with, or
     result in any violation of or default (with or without notice or lapse of
     time or both) under any provision of any limited liability company
     agreement, loan or credit agreement, note, bond, mortgage, indenture, lease
     or other agreement, instrument, permit, concession, franchise, license,
     judgment, order, notice, decree, statute, law, ordinance, rule or
     regulation applicable to General REMI II or to any of the property or
     assets of any of General REMI II. Except for consents, approvals,
     authorizations and filings as may be required under the HSR Act and the
     Exchange Act, no consent, approval, order or authorization of, or
     registration, declaration or filing with, any Governmental Entity, is
     required by or with respect to the Stockholder in connection with the
     execution and delivery of this Agreement or the consummation by General
     REMI II of the transactions contemplated hereby.

     3. Covenants of the Stockholder. Until the valid termination of the
provisions of this Section 3 pursuant to Section 8, the Stockholder agrees as
follows:

          (a) At any meeting of Stockholder of CT called to vote upon the
     Warrant Issuance (as such term is defined in the Venture Agreement) or at
     any adjournment thereof or in any other circumstances upon which a vote,
     consent or other approval with respect to the Warrant Issuance is sought,
     the Stockholder shall vote (or cause to be voted) all shares of CT Common
     Stock it owns or has voting control over in favor of the Warrant Issuance.

          (b) At any meeting of Stockholder of CT or at any adjournment thereof
     or in any other circumstances upon which the Stockholder's vote, consent or
     other approval is sought, the Stockholder shall vote (or cause to be voted)
     all shares of CT Common Stock owned by it or over which it has voting
     control against any amendment of CT's charter and amended and restated
     bylaws or other proposal or transaction involving CT or any of its
     subsidiaries, which amendment or other proposal or transaction would
     reasonably be expected in any manner to impede, frustrate, prevent or
     nullify CT's ability or obligation to consummate or effect the Warrant
     Issuance.

          (c) The Stockholder shall not (i) Transfer or Otherwise Dispose (as
     hereinafter defined) of, or enter into any agreement or other arrangement
     with respect to, the Owned Shares to any person, (ii) enter into any voting
     arrangement, whether by proxy, voting agreement, voting trust, power of
     attorney or otherwise with respect to, the Owned Shares, except as provided
     in this Agreement and the Voting and Lockup

                                       -3-
926900.2
<PAGE>



     Agreement or (iii) take any other action that would reasonably be expected
     in any way to restrict, limit, or interfere with the performance of their
     obligations hereunder. Notwithstanding the foregoing, nothing contained in
     this Agreement shall be deemed to restrict or prohibit the ability of (i)
     the Stockholder to transfer shares to immediate family members or trusts or
     other entities in connection with estate planning objectives, provided that
     such transferee agrees in writing to be bound by the terms of this
     Agreement as though such transferee were a Stockholder, and that notice and
     a copy of such agreement are provided to General REMI II prior to such
     transfer, (ii) the Stockholder from pledging up to a number of its shares
     of CT Common Stock to any nationally recognized financial institution as
     collateral for a bona fide third party loan or from using up to a number of
     its shares of CT Common Stock as collateral for a bona fide third party
     margin loan with a nationally recognized financial institution or
     broker/dealer equal to the maximum number of shares that may be pledged
     pursuant to the Voting and Lockup Agreement or (iii) the Stockholder to
     enter into an agreement with the respect to the voting and Disposition of
     shares of CT Common Stock between and among Stockholder and JRK Investment
     Partnership LP and CMH Investment Partnership, LP (the "JCV Group"),
     provided that the obligations of Stockholder in such agreement are
     expressly subordinate to the obligations of Shareholder hereunder and there
     are no parties to such agreement other than the JCV Group. For purposes of
     this Agreement, "Transfer or Otherwise Dispose" means any sale, exchange,
     redemption, assignment, gift, grant of a security interest, pledge or other
     encumbrance, or the creation of any other claim thereto or any other
     transfer or disposition whatsoever (including involuntary sales, exchanges,
     transfers or other dispositions, and whether or not for cash or other
     consideration) affecting the right, title, interest or possession in, to or
     of CT Common Stock.

     4. Additional Covenants of the Stockholder. Until the valid termination of
the provisions of this Section 4 pursuant to Section 8, the Stockholder agrees
as follows:

          (a) At any meeting of Stockholder of CT called to vote upon any REIT
     Tax Matter submitted to a vote pursuant to Section 2.14 of the Venture
     Agreement or at any adjournment thereof or in any other circumstances upon
     which the Stockholder's votes, consent or other approval with respect to
     any such REIT Tax Matter is sought, the Stockholder shall vote (or cause to
     be voted) all shares of CT Common Stock it owns or has voting control over
     at such time in favor of such REIT Tax Matter.

          (b) At any meeting of Stockholder of CT or at any adjournment thereof
     or in any other circumstances upon which the Stockholder's votes, consent
     or other approval is sought, the Stockholder shall vote (or cause to be
     voted) all shares of CT Common Stock owned by it or over which it has
     voting control at such time against any amendment of CT's charter and
     amended and restated bylaws or other proposal or transaction involving CT
     or any of its subsidiaries, which amendment or other proposal or
     transaction would reasonably be expected in any manner to impede,
     frustrate,

                                       -4-
926900.2
<PAGE>

     prevent or nullify CT's ability or obligation to consummate or effect any
     REIT Tax Matter.

     5. Further Assurances. Stockholder will, from time to time, execute and
deliver, or cause to be executed and delivered, such additional or further
transfers, assignments, endorsements, consents and other instruments as General
REMI II may reasonably request for the purpose of effectively carrying out the
transactions contemplated by this Agreement and to vest the power to vote the
Stockholder's Owned Shares as contemplated in Section 3.

     6. Duty. Notwithstanding the covenants of Stockholder contained in Sections
3 and 4, any Stockholder who is an officer or director of CT, only in his
capacity as an officer or director of CT, may take any such action that is in
furtherance of the exercise of his duties as an officer or director under
Maryland law, and no such action in furtherance of the exercise of such duties
shall be deemed to be a breach or violation of the covenants of such Stockholder
contained in Sections 3 and 4 and the Stockholder shall not have any liability
hereunder for any such action taken in his capacity as an officer and director
of CT in furtherance of the exercise of such duties.

     7. Assignment. Neither this Agreement nor any of the rights, interests or
obligations hereunder shall be assigned by any of the parties without the prior
written consent of the other parties, except that General REMI II may assign, in
its sole discretion, any or all of its rights and interests to Citigroup Inc. or
any of its direct or indirect wholly owned subsidiaries or other entities or to
Travelers Property Casualty Corp. or any of its direct or indirect wholly owned
subsidiaries or other entities. Subject to the preceding sentence, this
Agreement shall be binding upon, inure to the benefit of and be enforceable by
the parties and their respective successors and assigns and, in the case of any
Stockholder that is an individual, the heirs, executors and administrators of
such Stockholder.

     8. Termination. The rights and obligations contained in Section 3 shall
terminate and shall be of no further legal force and effect on the date on which
stockholders of CT shall have considered and voted upon the Warrant Issuance.
The rights and obligations contained in Section 4 shall terminate and shall be
of no further legal force and effect on the earlier of the date on which (i)
stockholders of CT shall have considered and voted upon any REIT Tax Matters
presented for a vote pursuant to Section 2.14 of the Venture Agreement, (ii) if
the Fund II Initial Closing shall not have occurred by no later than December
31, 2000 or any Extension Date, (a) the Unwind set forth in the Fund I Agreement
is commenced or (b) any dissolution or liquidation of Fund I in accordance with
its terms is completed, (iii) the Appraisal Procedures shall have commenced with
respect to the Fair Market Value of the CIG Parties' and their Affiliates' Board
Right Shares pursuant to Section 2.14 of the Venture Agreement, or (iv) upon the
resignation of the CIG Parties Initial Board Designees as set forth in Section
2.12(e) of the Venture Agreement if the CIG Parties or the CT Parties shall have

                                       -5-
926900.2
<PAGE>

exercised their right to terminate the Venture Agreement pursuant to Section
2.12(e) of the Venture Agreement.

     9. General Provisions.

          (a) Specific Performance. The parties agree that irreparable damage
     that is impossible to measure in money damages would occur in the event
     that any of the provisions of this Agreement were not performed in
     accordance with their specific terms or were otherwise breached. It is
     accordingly agreed that the parties shall be entitled to an injunction or
     injunctions to prevent breaches of this Agreement and to enforce
     specifically the terms and provisions of this Agreement in any court of the
     United States located in the State of New York or any New York state court,
     this being in addition to any other remedy to which they are entitled at
     law or in equity.

          (b) Expenses. All costs and expenses incurred in connection with this
     Agreement and the transactions contemplated hereby shall be paid by the
     party incurring such expense.

          (c) Amendments. This Agreement may not be amended except by an
     instrument in writing signed by each of the parties hereto.

          (d) Notice. All notices or other communications required or permitted
     hereunder shall be in writing and shall be deemed given or delivered (i)
     when delivered personally, or (ii) if sent by registered or certified mail,
     return receipt requested, or by private courier when received; and shall be
     addressed as follows:

          If to General REMI II, to:

                                  Travelers General Real Estate Mezzanine
                                      Investments II, LLC
                                  205 Columbus Blvd., 9PB
                                  Hartford, Connecticut 06183-2030
                                  Attn:    Duane Nelson, Esq.
                                  Real Estate Investment Number: 12833

          With a copies to:

                                  Citigroup Investments Inc.
                                  388 Greenwich Street, 36th Floor
                                  New York, New York 10013
                                  Attn:    Mr. Michael Watson
                                  Real Estate Investment Number: 12833

                                       -6-
926900.2
<PAGE>

                                  Loeb & Loeb LLP
                                  1000 Wilshire Boulevard, Suite 1900
                                  Los Angeles, California 90017
                                  Attn:    Andrew S. Clare, Esq.

          If to the Stockholder, to:

                                   c/o Equity Group Investments, Inc.
                                   Two North Riverside Plaza
                                   Chicago, Illinois 60606

          With a copy to:

                                   Battle Fowler LLP
                                   75 East 55th Street
                                   New York, New York  10022
                                   Attn:    Thomas E. Kruger, Esq.

     or to such other address as such party may indicate by a notice delivered
     to the other parties hereto.

          (e) Interpretation. When a reference is made in this Agreement to
     Sections, such reference shall be to a Section to this Agreement unless
     otherwise indicated. The headings contained in this Agreement are for
     reference purposes only and shall not affect in any way the meaning or
     interpretation of this Agreement. Wherever the words "include", "includes"
     or "including" are used in this Agreement, they shall be deemed to be
     followed by the words "without limitation".

          (f) Counterparts. This Agreement may be executed in one or more
     counterparts, all of which shall be considered one and the same agreement,
     and shall become effective when one or more of the counter parties have
     been signed by each of the parties and delivered to the other party, it
     being understood that each party need not sign the same counterpart.

          (g) Entire Agreement; No Third-Party Beneficiaries. This Agreement
     together with all other agreements executed by the parties hereto on the
     date hereof (including the documents and instruments referred to herein),
     (i) constitutes the entire agreement and supersedes all prior agreements
     and understandings, both written and oral, among the parties with respect
     to the subject matter hereof and (ii) is not intended to confer upon any
     person other than the parties hereto any rights or remedies hereunder.

                                       -7-
926900.2
<PAGE>

          (h) Governing Law. This Agreement shall be governed by and construed
     in accordance with the laws of the State of New York as to all matters,
     including but not limited to, matters of validity, construction, effect,
     performance and remedies, without regard to any applicable conflicts of
     law.

          (i) Waivers. Any term or provision of this Agreement may be waived, or
     the time for its performance may be extended, by the party or parties
     entitled to the benefit thereof. Any such waiver shall be validly and
     sufficiently given for the purposes of this Agreement if, as to any party,
     it is in writing signed by an authorized representative of such party. The
     failure of any party hereto to enforce at any time any provision of this
     Agreement shall not be construed to be a waiver of such provision, nor in
     any way to affect the validity of this Agreement or any part hereof or the
     right of any party thereafter to enforce each and every such provision. No
     waiver of any breach of this Agreement shall be held to constitute a waiver
     of any other or subsequent breach.

                                       -8-
926900.2
<PAGE>

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

                               TRAVELERS GENERAL REAL ESTATE
                               MEZZANINE INVESTMENTS II, LLC


                               By:  /s/  Michael Watson
                                  ---------------------------
                                  Michael Watson
                                  Vice President


                               VEQTOR FINANCE COMPANY, L.L.C.

                                  By:  Zell General Partnership, Inc., its
                                       managing partner

                                       By:  /s/  Donald J. Liebentritt
                                          -----------------------------------
                                          Name:  Donald J. Liebentritt
                                          Title: Vice President

926900.2




                         STOCKHOLDER APPROVAL AGREEMENT


     STOCKHOLDER  APPROVAL  AGREEMENT (this  "Agreement"),  dated as of March 8,
2000,  among  Travelers  General Real Estate  Mezzanine  Investments  II, LLC, a
Delaware  limited  liability  company and Samstock,  L.L.C.,  a Delaware limited
liability company ("Stockholder").

                              Preliminary Statement

     A. Capital Trust, Inc., a Maryland  corporation  ("CT"), and certain of its
affiliates  (the "CT Parties") and General REMI II and certain of its Affiliates
(the "CIG Parties"),  propose to enter into a venture agreement, dated as of the
date hereof (the "Venture  Agreement"),  pursuant to which,  among other things,
the CIG  Parties  and CT and the CT Parties  will  co-sponsor,  commit to invest
capital in and manage real estate mezzanine investment opportunity funds.

     B. The Stockholder owns in the aggregate 75,000 shares (the "Owned Shares")
of class A common stock, par value $.01 per share, of CT ("CT Common Stock").

     C. As a condition to the CIG Parties' willingness to enter into the Venture
Agreement,  the CIG Parties have  requested the  Stockholder  to enter into this
Agreement.

     D. Capitalized terms used but not defined herein have the meanings set
forth in the Venture Agreement.

     NOW,  THEREFORE,   to  induce  the  CIG  Parties  to  enter  into,  and  in
consideration  of the CIG Parties entering into, the Venture  Agreement,  and in
consideration of the premises and the representations, warranties and agreements
contained herein, the parties agree as follows:

     1. Representations and Warranties of the Stockholder. The Stockholders
hereby, jointly and severally, represent and warrant to General REMI II as
follows:

          (a) Authority.  The  Stockholder has all requisite power and authority
     to  enter  into  this   Agreement  and  to  consummate   the   transactions
     contemplated  hereby.  The execution and delivery of this  Agreement by the
     Stockholder,  and the consummation of the transactions contemplated hereby,
     has  been  duly  authorized  by all  necessary  action  on the  part of the
     Stockholder.  This  Agreement  has been duly  executed and delivered by the
     Stockholder and, assuming the due authorization,  execution and delivery by
     General  REMI  II,  constitutes  a  valid  and  binding  obligation  of the
     Stockholder  enforceable in accordance with its terms, except to the extent
     enforceability  may be limited by  bankruptcy,  insolvency,  moratorium  or
     other similar laws affecting

926898.4

<PAGE>

     creditors'  rights  generally  or  by  general  principles   governing  the
     availability  of equitable  remedies.  The  execution  and delivery of this
     Agreement does not, and the consummation of the  transactions  contemplated
     hereby and  compliance  with the terms hereof will not,  conflict  with, or
     result in any violation of or default  (with or without  notice or lapse of
     time or both)  under  any  provision  of any trust  agreement,  partnership
     agreement, loan or credit agreement, note, bond, mortgage, indenture, lease
     or other agreement,  instrument,  permit, concession,  franchise,  license,
     judgment,   order,  notice,  decree,  statute,  law,  ordinance,   rule  or
     regulation  applicable  to the  Stockholder  or to any of the  property  or
     assets of the Stockholder.  Except for consents, approvals,  authorizations
     and  filings  as may be  required  under  the  Hart-Scott-Rodino  Antitrust
     Improvements  Act of 1976, as amended (the "HSR Act"),  and the  Securities
     Exchange Act of 1934, as amended  ("Exchange  Act"), no consent,  approval,
     order or authorization of, or registration, declaration or filing with, any
     court,  administrative agency or commission or other governmental authority
     or  instrumentality,  domestic,  foreign  or  supranational  ("Governmental
     Entity"),  is required by or with respect to the  Stockholder in connection
     with the execution and delivery of this  Agreement or the  consummation  by
     the Stockholder of the transactions contemplated hereby.

          (b) The Owned Shares.  The Stockholder has good and valid title to the
     Owned Shares, free and clear of any claims,  liens,  encumbrances,  pledges
     and security  interests  whatsoever.  The Stockholder  owns no shares of CT
     Common Stock or other  shares of stock of CT, other than the Owned  Shares.
     Except for this Agreement,  and that certain stockholder voting and lock-up
     agreement,  dated as of the date hereof,  by and among General REMI II, the
     Stockholder,  and the other  holders of CT Common Stock named  therein (the
     "Voting and Lockup Agreement"),  no proxies or powers of attorney have been
     granted  with  respect  to  the  Owned  Shares  and no  voting  arrangement
     (including  voting  agreement  or  voting  trust)  has  been  entered  into
     affecting  the Owned Shares that will remain in effect after the  execution
     of this Agreement.

          (c) Venture  Agreement.  The Stockholder  understands and acknowledges
     that  General  REMI II is entering  into the Venture  Agreement in reliance
     upon the Stockholder's execution and delivery of this Agreement.

     2. Representations and Warranties of General REMI II. General REMI II
     hereby represents and warrants to the Stockholders as follows:

          (a)  Authority.  General REMI II has all requisite  limited  liability
     company power and authority to enter into this  Agreement and to consummate
     the transactions  contemplated  hereby.  The execution and delivery of this
     Agreement  by General  REMI II, and the  consummation  of the  transactions
     contemplated  hereby,  have been duly  authorized by all necessary  limited
     liability company action on the part of General REMI II. This Agreement has
     been duly  executed  and  delivered  by General  REMI II,  assuming the due
     authorization, execution and delivery by the Stockholder, constitutes a

                                       -2-
926898.4
<PAGE>

     valid and binding  obligation of General REMI II  enforceable in accordance
     with its  terms,  except to the  extent  enforceability  may be  limited by
     bankruptcy,   insolvency,   moratorium  or  other  similar  laws  affecting
     creditors'  rights  generally  or  by  general  principles   governing  the
     availability  of equitable  remedies.  The  execution  and delivery of this
     Agreement does not, and the consummation of the  transactions  contemplated
     hereby and  compliance  with the terms hereof will not,  conflict  with, or
     result in any violation of or default  (with or without  notice or lapse of
     time  or  both)  under  any  provision  of any  limited  liability  company
     agreement, loan or credit agreement, note, bond, mortgage, indenture, lease
     or other agreement,  instrument,  permit, concession,  franchise,  license,
     judgment,   order,  notice,  decree,  statute,  law,  ordinance,   rule  or
     regulation  applicable  to  General  REMI II or to any of the  property  or
     assets  of  any  of  General  REMI  II.  Except  for  consents,  approvals,
     authorizations  and  filings as may be  required  under the HSR Act and the
     Exchange  Act,  no  consent,   approval,  order  or  authorization  of,  or
     registration,  declaration  or filing with,  any  Governmental  Entity,  is
     required  by or with  respect to the  Stockholder  in  connection  with the
     execution  and delivery of this  Agreement or the  consummation  by General
     REMI II of the transactions contemplated hereby.

     3. Covenants of the Stockholder. Until the valid termination of the
provisions of this Section 3 pursuant to Section 8, the Stockholder agrees as
follows:

          (a) At any  meeting  of  stockholders  of CT  called  to vote upon the
     Warrant  Issuance (as such term is defined in the Venture  Agreement) or at
     any adjournment  thereof or in any other  circumstances  upon which a vote,
     consent or other  approval with respect to the Warrant  Issuance is sought,
     the  Stockholder  shall vote (or cause to be voted) all shares of CT Common
     Stock it owns or has voting control over in favor of the Warrant Issuance.

          (b) At any meeting of stockholders of CT or at any adjournment thereof
     or in any other circumstances upon which the Stockholder's vote, consent or
     other approval is sought, the Stockholder shall vote (or cause to be voted)
     all  shares  of CT Common  Stock  owned by it or over  which it has  voting
     control  against any  amendment  of CT's  charter and amended and  restated
     bylaws  or  other  proposal  or  transaction  involving  CT or  any  of its
     subsidiaries,  which  amendment  or other  proposal  or  transaction  would
     reasonably  be  expected  in any  manner to impede,  frustrate,  prevent or
     nullify  CT's ability or  obligation  to  consummate  or effect the Warrant
     Issuance.

          (c) The  Stockholder  shall not (i) Transfer or Otherwise  Dispose (as
     hereinafter  defined) of, or enter into any agreement or other  arrangement
     with respect to, the Owned Shares to any person, (ii) enter into any voting
     arrangement,  whether by proxy,  voting agreement,  voting trust,  power of
     attorney or otherwise with respect to, the Owned Shares, except as provided
     in this  Agreement  and the Voting and Lockup  Agreement  or (iii) take any
     other action that would reasonably be expected in any way

                                       -3-
926898.4
<PAGE>

     to restrict,  limit, or interfere with the performance of their obligations
     hereunder.   Notwithstanding  the  foregoing,  nothing  contained  in  this
     Agreement  shall be deemed to restrict  or prohibit  the ability of (i) the
     Stockholder  to transfer  shares to immediate  family  members or trusts or
     other entities in connection with estate planning objectives, provided that
     such  transferee  agrees  in  writing  to be  bound  by the  terms  of this
     Agreement as though such transferee were a Stockholder, and that notice and
     a copy of such  agreement  are  provided  to General  REMI II prior to such
     transfer or (ii) the Stockholder from pledging up to a number of its shares
     of CT Common Stock to any nationally  recognized  financial  institution as
     collateral for a bona fide third party loan or from using up to a number of
     its shares of CT Common  Stock as  collateral  for a bona fide third  party
     margin  loan  with  a  nationally   recognized  financial   institution  or
     broker/dealer  equal to the  maximum  number of shares  that may be pledged
     pursuant  to  the  Voting  and  Lockup  Agreement.  For  purposes  of  this
     Agreement,  "Transfer  or  Otherwise  Dispose"  means any  sale,  exchange,
     redemption, assignment, gift, grant of a security interest, pledge or other
     encumbrance,  or the  creation  of any  other  claim  thereto  or any other
     transfer or disposition whatsoever (including involuntary sales, exchanges,
     transfers  or  other  dispositions,  and  whether  or not for cash or other
     consideration) affecting the right, title, interest or possession in, to or
     of CT Common Stock.

     4. Additional Covenants of the Stockholder. Until the valid termination
of the provisions of this Section 4 pursuant to Section 8, the Stockholder
agrees as follows:

          (a) At any meeting of  stockholders of CT called to vote upon any REIT
     Tax Matter  submitted  to a vote  pursuant  to Section  2.14 of the Venture
     Agreement or at any adjournment  thereof or in any other circumstances upon
     which the Stockholder's vote, consent or other approval with respect to any
     such REIT Tax Matter is sought,  the Stockholder shall vote (or cause to be
     voted) all shares of CT Common Stock it owns or has voting  control over at
     such time in favor of such REIT Tax Matter.

          (b) At any meeting of stockholders of CT or at any adjournment thereof
     or in any other circumstances upon which the Stockholder's vote, consent or
     other approval is sought, the Stockholder shall vote (or cause to be voted)
     all  shares  of CT Common  Stock  owned by it or over  which it has  voting
     control at such time against any  amendment of CT's charter and amended and
     restated bylaws or other proposal or transaction involving CT or any of its
     subsidiaries,  which  amendment  or other  proposal  or  transaction  would
     reasonably  be  expected  in any  manner to impede,  frustrate,  prevent or
     nullify CT's ability or  obligation  to  consummate  or effect any REIT Tax
     Matter.

     5. Further Assurances. Stockholder will, from time to time, execute and
deliver, or cause to be executed and delivered, such additional or further
transfers, assignments, endorsements, consents and other instruments as General
REMI II may


                                       -4-
926898.4
<PAGE>

reasonably request for the purpose of effectively  carrying out the transactions
contemplated  by this Agreement and to vest the power to vote the  Stockholder's
Owned Shares as contemplated in Section 3.

     6. Duty. Notwithstanding the covenants of Stockholder contained in Sections
3 and 4, any  Stockholder  who is an  officer  or  director  of CT,  only in his
capacity  as an officer or  director  of CT, may take any such action that is in
furtherance  of the  exercise  of his  duties as an officer  or  director  under
Maryland law, and no such action in  furtherance  of the exercise of such duties
shall be deemed to be a breach or violation of the covenants of such Stockholder
contained in Sections 3 and 4 and the Stockholders  shall not have any liability
hereunder  for any such action  taken in his capacity as an officer and director
of CT in furtherance of the exercise of such duties.

     7. Assignment.  Neither this Agreement nor any of the rights,  interests or
obligations  hereunder shall be assigned by any of the parties without the prior
written consent of the other parties, except that General REMI II may assign, in
its sole discretion, any or all of its rights and interests to Citigroup Inc. or
any of its direct or indirect wholly owned  subsidiaries or other entities or to
Travelers  Property Casualty Corp. or any of its direct or indirect wholly owned
subsidiaries  or  other  entities.  Subject  to  the  preceding  sentence,  this
Agreement  shall be binding upon,  inure to the benefit of and be enforceable by
the parties and their respective  successors and assigns and, in the case of any
Stockholder that is an individual,  the heirs,  executors and  administrators of
such Stockholder.

     8.  Termination.  The rights and  obligations  contained in Section 3 shall
terminate and shall be of no further legal force and effect on the date on which
stockholders  of CT shall have  considered and voted upon the Warrant  Issuance.
The rights and  obligations  contained in Section 4 shall terminate and shall be
of no further  legal  force and  effect on the  earlier of the date on which (i)
stockholders  of CT shall have  considered  and voted upon any REIT Tax  Matters
presented for a vote pursuant to Section 2.14 of the Venture Agreement,  (ii) if
the Fund II Initial  Closing  shall not have  occurred by no later than December
31, 2000 or any Extension Date, (a) the Unwind set forth in the Fund I Agreement
is commenced or (b) any  dissolution or liquidation of Fund I in accordance with
its terms is completed, (iii) the Appraisal Procedures shall have commenced with
respect to the Fair Market Value of the CIG Parties' and their Affiliates' Board
Right Shares pursuant to Section 2.14 of the Venture Agreement, or (iv) upon the
resignation of the CIG Parties  Initial Board  Designees as set forth in Section
2.12(e) of the Venture Agreement if the CIG Parties or the CT Parties shall have
exercised  their right to terminate  the Venture  Agreement  pursuant to Section
2.12(e) of the Venture Agreement.

     9. General Provisions.

          (a) Specific Performance. The parties agree that irreparable damage
     that is impossible to measure in money damages would occur in the event
     that any of the


                                       -5-
926898.4
<PAGE>

     provisions of this  Agreement  were not performed in accordance  with their
     specific terms or were otherwise  breached.  It is accordingly  agreed that
     the parties shall be entitled to an injunction  or  injunctions  to prevent
     breaches  of this  Agreement  and to  enforce  specifically  the  terms and
     provisions of this  Agreement in any court of the United States  located in
     the State of New York or any New York state  court,  this being in addition
     to any other remedy to which they are entitled at law or in equity.

          (b) Expenses.  All costs and expenses incurred in connection with this
     Agreement  and the  transactions  contemplated  hereby shall be paid by the
     party incurring such expense.

          (c) Amendments. This Agreement may not be amended except by an
     instrument in writing signed by each of the parties hereto.

          (d) Notice. All notices or other communications  required or permitted
     hereunder  shall be in writing and shall be deemed given or  delivered  (i)
     when delivered personally, or (ii) if sent by registered or certified mail,
     return receipt requested, or by private courier when received; and shall be
     addressed as follows:

          If to General REMI II, to:

                                  Travelers General Real Estate Mezzanine
                                      Investments II, LLC
                                  205 Columbus Blvd., 9PB
                                  Hartford, Connecticut 06183-2030
                                  Attn:    Duane Nelson, Esq.
                                  Real Estate Investment Number: 12833

          With a copies to:

                                  Citigroup Investments Inc.
                                  388 Greenwich Street, 36th Floor
                                  New York, New York 10013
                                  Attn:    Mr. Michael Watson
                                  Real Estate Investment Number: 12833

                                  Loeb & Loeb LLP
                                  1000 Wilshire Boulevard, Suite 1900
                                  Los Angeles, California 90017
                                  Attn:    Andrew S. Clare, Esq.

                                       -6-
926898.4
<PAGE>

          If to the Stockholder, to:

                                  c/o Equity Group Investments, Inc.
                                  Two North Riverside Plaza
                                  Chicago, Illinois 60606

          With a copy to:

                                  Battle Fowler LLP
                                  75 East 55th Street
                                  New York, New York  10022
                                  Attn:  Thomas E. Kruger, Esq.

     or to such other  address as such party may indicate by a notice  delivered
     to the other parties hereto.

          (e)  Interpretation.  When a reference  is made in this  Agreement  to
     Sections,  such reference  shall be to a Section to this  Agreement  unless
     otherwise  indicated.  The  headings  contained in this  Agreement  are for
     reference  purposes  only and shall not  affect in any way the  meaning  or
     interpretation of this Agreement. Wherever the words "include",  "includes"
     or  "including"  are used in this  Agreement,  they  shall be  deemed to be
     followed by the words "without limitation".

          (f)  Counterparts.  This  Agreement  may be  executed  in one or  more
     counterparts,  all of which shall be considered one and the same agreement,
     and shall  become  effective  when one or more of the counter  parties have
     been signed by each of the parties and  delivered  to the other  party,  it
     being understood that each party need not sign the same counterpart.

          (g) Entire  Agreement;  No Third-Party  Beneficiaries.  This Agreement
     together with all other  agreements  executed by the parties  hereto on the
     date hereof  (including the documents and instruments  referred to herein),
     (i)  constitutes the entire  agreement and supersedes all prior  agreements
     and  understandings,  both written and oral, among the parties with respect
     to the subject  matter  hereof and (ii) is not  intended to confer upon any
     person other than the parties hereto any rights or remedies hereunder.

          (h) Governing Law. This  Agreement  shall be governed by and construed
     in  accordance  with the laws of the  State of New York as to all  matters,
     including but not limited to,  matters of validity,  construction,  effect,
     performance  and remedies,  without regard to any  applicable  conflicts of
     law.

                                       -7-
926898.4
<PAGE>

          (i) Waivers. Any term or provision of this Agreement may be waived, or
     the time for its  performance  may be  extended,  by the  party or  parties
     entitled  to the  benefit  thereof.  Any such  waiver  shall be validly and
     sufficiently  given for the purposes of this Agreement if, as to any party,
     it is in writing signed by an authorized  representative of such party. The
     failure of any party  hereto to enforce at any time any  provision  of this
     Agreement shall not be construed to be a waiver of such  provision,  nor in
     any way to affect the validity of this  Agreement or any part hereof or the
     right of any party thereafter to enforce each and every such provision.  No
     waiver of any breach of this Agreement shall be held to constitute a waiver
     of any other or subsequent breach.

                                       -8-
926898.4
<PAGE>

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

                          TRAVELERS GENERAL REAL ESTATE
                              MEZZANINE INVESTMENTS II, LLC


                          By: /s/  Michael Watson
                             ------------------------------------
                             Michael Watson
                             Vice President


                          SAMSTOCK, L.L.C.

                          By:  SZ Investments LLC, its sole member

                               By:  Zell General Partnership, Inc., its
                                    managing partner

                                       By:  /s/  Donald J. Liebentritt
                                       ---------------------------
                                      Name:  Donald J. Liebentritt
                                      Title:  Vice President

926898.4



                         STOCKHOLDER APPROVAL AGREEMENT


         STOCKHOLDER APPROVAL AGREEMENT (this "Agreement"), dated as of March 8,
2000, among Travelers General Real Estate Mezzanine Investments II, LLC, a
Delaware limited liability company ("General REMI II"), Craig M. Hatkoff
("Hatkoff") and CMH Investment Partnership LP, a Delaware limited partnership
("CMH") (Hatkoff and CMH are collectively referred to herein as the
"Stockholders" and individually referred to herein as a "Stockholder").

                              Preliminary Statement

         A. Capital Trust, Inc., a Maryland corporation ("CT"), and certain of
its affiliates (the "CT Parties") and General REMI II and certain of its
Affiliates (the "CIG Parties"), propose to enter into a venture agreement, dated
as of the date hereof (the "Venture Agreement"), pursuant to which, among other
things, the CIG Parties and CT and the CT Parties will co-sponsor, commit to
invest capital in and manage real estate mezzanine investment opportunity funds.

         B. The Stockholders own in the aggregate 2,348,132 shares (the "Owned
Shares") of class A common stock, par value $.01 per share, of CT ("CT Common
Stock").

         C. As a condition to the CIG Parties' willingness to enter into the
Venture Agreement, the CIG Parties have requested the Stockholders to enter into
this Agreement.

         D. Capitalized terms used but not defined herein have the meanings set
forth in the Venture Agreement.

         NOW, THEREFORE, to induce the CIG Parties to enter into, and in
consideration of the CIG Parties entering into, the Venture Agreement, and in
consideration of the premises and the representations, warranties and agreements
contained herein, the parties agree as follows:

         1. Representations and Warranties of the Stockholders. The Stockholders
hereby, jointly and severally, represent and warrant to General REMI II as
follows:

          (a) Authority. Each Stockholder has all requisite power and authority
     to enter into this Agreement and to consummate the transactions
     contemplated hereby. The execution and delivery of this Agreement by each
     Stockholder, and the consummation of the transactions contemplated hereby,
     has been duly authorized by all necessary action on the part of each
     Stockholder. This Agreement has been duly executed and delivered by each
     Stockholder and, assuming the due authorization,

926903.3


<PAGE>



     execution and delivery by General REMI II, constitutes a valid and binding
     obligation of each Stockholder enforceable in accordance with its terms,
     except to the extent enforceability may be limited by bankruptcy,
     insolvency, moratorium or other similar laws affecting creditors' rights
     generally or by general principles governing the availability of equitable
     remedies. The execution and delivery of this Agreement does not, and the
     consummation of the transactions contemplated hereby and compliance with
     the terms hereof will not, conflict with, or result in any violation of or
     default (with or without notice or lapse of time or both) under any
     provision of any trust agreement, partnership agreement, loan or credit
     agreement, note, bond, mortgage, indenture, lease or other agreement,
     instrument, permit, concession, franchise, license, judgment, order,
     notice, decree, statute, law, ordinance, rule or regulation applicable to
     any of the Stockholders or to any of the property or assets of any of the
     Stockholders. Except for consents, approvals, authorizations and filings as
     may be required under the Hart-Scott-Rodino Antitrust Improvements Act of
     1976, as amended (the "HSR Act"), and the Securities Exchange Act of 1934,
     as amended ("Exchange Act"), no consent, approval, order or authorization
     of, or registration, declaration or filing with, any court, administrative
     agency or commission or other governmental authority or instrumentality,
     domestic, foreign or supranational ("Governmental Entity"), is required by
     or with respect to any Stockholder in connection with the execution and
     delivery of this Agreement or the consummation by any Stockholder of the
     transactions contemplated hereby.

          (b) The Owned Shares. The Stockholders have good and valid title to
     the Owned Shares, free and clear of any claims, liens, encumbrances,
     pledges and security interests whatsoever. The Stockholders own no shares
     of CT Common Stock or other shares of stock of CT, other than the Owned
     Shares. Except for this Agreement, and that certain stockholder voting and
     lock-up agreement, dated as of the date hereof, by and among General REMI
     II, the Stockholders, and the other holders of CT Common Stock named
     therein (the "Voting and Lockup Agreement"), no proxies or powers of
     attorney have been granted with respect to the Owned Shares and no voting
     arrangement (including voting agreement or voting trust) has been entered
     into affecting the Owned Shares that will remain in effect after the
     execution of this Agreement.

          (c) Venture Agreement. The Stockholders understand and acknowledge
     that General REMI II is entering into the Venture Agreement in reliance
     upon the Stockholders' execution and delivery of this Agreement.

         2. Representations and Warranties of General REMI II. General REMI II
hereby represents and warrants to the Stockholders as follows:

          (a) Authority. General REMI II has all requisite limited liability
     company power and authority to enter into this Agreement and to consummate
     the transactions contemplated hereby. The execution and delivery of this
     Agreement by General

926903.3
                                       -2-

<PAGE>



     REMI II, and the consummation of the transactions contemplated hereby, have
     been duly authorized by all necessary limited liability company action on
     the part of General REMI II. This Agreement has been duly executed and
     delivered by General REMI II, assuming the due authorization, execution and
     delivery by each of the Stockholders, constitutes a valid and binding
     obligation of General REMI II enforceable in accordance with its terms,
     except to the extent enforceability may be limited by bankruptcy,
     insolvency, moratorium or other similar laws affecting creditors' rights
     generally or by general principles governing the availability of equitable
     remedies. The execution and delivery of this Agreement does not, and the
     consummation of the transactions contemplated hereby and compliance with
     the terms hereof will not, conflict with, or result in any violation of or
     default (with or without notice or lapse of time or both) under any
     provision of any limited liability company agreement, loan or credit
     agreement, note, bond, mortgage, indenture, lease or other agreement,
     instrument, permit, concession, franchise, license, judgment, order,
     notice, decree, statute, law, ordinance, rule or regulation applicable to
     General REMI II or to any of the property or assets of any of General REMI
     II. Except for consents, approvals, authorizations and filings as may be
     required under the HSR Act and the Exchange Act, no consent, approval,
     order or authorization of, or registration, declaration or filing with, any
     Governmental Entity, is required by or with respect to any Stockholder in
     connection with the execution and delivery of this Agreement or the
     consummation by General REMI II of the transactions contemplated hereby.

         3. Covenants of the Stockholders. Until the valid termination of the
provisions of this Section 3 pursuant to Section 8, the Stockholders agree as
follows:

          (a) At any meeting of stockholders of CT called to vote upon the
     Warrant Issuance (as such term is defined in the Venture Agreement) or at
     any adjournment thereof or in any other circumstances upon which a vote,
     consent or other approval with respect to the Warrant Issuance is sought,
     the Stockholders shall vote (or cause to be voted) all shares of CT Common
     Stock they own or have voting control over in favor of the Warrant
     Issuance.

          (b) At any meeting of stockholders of CT or at any adjournment thereof
     or in any other circumstances upon which the Stockholders' vote, consent or
     other approval is sought, the Stockholders shall vote (or cause to be
     voted) all shares of CT Common Stock owned by them or over which they have
     voting control against any amendment of CT's charter and amended and
     restated bylaws or other proposal or transaction involving CT or any of its
     subsidiaries, which amendment or other proposal or transaction would
     reasonably be expected in any manner to impede, frustrate, prevent or
     nullify CT's ability or obligation to consummate or effect the Warrant
     Issuance.


926903.3
                                       -3-

<PAGE>



          (c) The Stockholders shall not (i) Transfer or Otherwise Dispose (as
     hereinafter defined) of, or enter into any agreement or other arrangement
     with respect to, the Owned Shares to any person, (ii) enter into any voting
     arrangement, whether by proxy, voting agreement, voting trust, power of
     attorney or otherwise with respect to, the Owned Shares, except as provided
     in this Agreement and the Voting and Lockup Agreement or (iii) take any
     other action that would reasonably be expected in any way to restrict,
     limit, or interfere with the performance of their obligations hereunder.
     Notwithstanding the foregoing, nothing contained in this Agreement shall be
     deemed to restrict or prohibit the ability of (i) each Stockholder to
     transfer shares to immediate family members or trusts or other entities in
     connection with estate planning objectives, provided that such transferee
     agrees in writing to be bound by the terms of this Agreement as though such
     transferee were a Stockholder, and that notice and a copy of such agreement
     are provided to General REMI II prior to such transfer, (ii) each
     Stockholder from pledging up to a number of its shares of CT Common Stock
     to any nationally recognized financial institution as collateral for a bona
     fide third party loan or from using up to a number of its shares of CT
     Common Stock as collateral for a bona fide third party margin loan with a
     nationally recognized financial institution or broker/dealer equal to the
     maximum number of shares that may be pledged pursuant to the Voting and
     Lockup Agreement or (iii) CMH to enter into an agreement with the respect
     to the voting and Disposition of shares of CT Common Stock between and
     among CMH and Veqtor Finance Company, L.L.C. and JRK Investment
     Partnership, LP (the "JCV Group"), provided that the obligations of CMH in
     such agreement are expressly subordinate to the obligations of CMH
     hereunder and there are no parties to such agreement other than the JCV
     Group. For purposes of this Agreement, "Transfer or Otherwise Dispose"
     means any sale, exchange, redemption, assignment, gift, grant of a security
     interest, pledge or other encumbrance, or the creation of any other claim
     thereto or any other transfer or disposition whatsoever (including
     involuntary sales, exchanges, transfers or other dispositions, and whether
     or not for cash or other consideration) affecting the right, title,
     interest or possession in, to or of CT Common Stock.

         4. Additional Covenants of the Stockholders. Until the valid
termination of the provisions of this Section 4 pursuant to Section 8, the
Stockholders agree as follows:

          (a) At any meeting of stockholders of CT called to vote upon any REIT
     Tax Matter submitted to a vote pursuant to Section 2.14 of the Venture
     Agreement or at any adjournment thereof or in any other circumstances upon
     which the Stockholders' vote, consent or other approval with respect to any
     such REIT Tax Matter is sought, the Stockholders shall vote (or cause to be
     voted) all shares of CT Common Stock they own or have voting control over
     at such time in favor of such REIT Tax Matter.

          (b) At any meeting of stockholders of CT or at any adjournment thereof
     or in any other circumstances upon which the Stockholders' vote, consent or
     other

926903.3
                                       -4-

<PAGE>



     approval is sought, the Stockholders shall vote (or cause to be voted) all
     shares of CT Common Stock owned by them or over which they have voting
     control at such time against any amendment of CT's charter and amended and
     restated bylaws or other proposal or transaction involving CT or any of its
     subsidiaries, which amendment or other proposal or transaction would
     reasonably be expected in any manner to impede, frustrate, prevent or
     nullify CT's ability or obligation to consummate or effect any REIT Tax
     Matter.

         5. Further Assurances. Each Stockholder will, from time to time,
execute and deliver, or cause to be executed and delivered, such additional or
further transfers, assignments, endorsements, consents and other instruments as
General REMI II may reasonably request for the purpose of effectively carrying
out the transactions contemplated by this Agreement and to vest the power to
vote such Stockholder's Owned Shares as contemplated in Section 3.

         6. Duty. Notwithstanding the covenants of Stockholders contained in
Sections 3 and 4, any Stockholder who is an officer or director of CT, only in
his capacity as an officer or director of CT, may take any such action that is
in furtherance of the exercise of his duties as an officer or director under
Maryland law, and no such action in furtherance of the exercise of such duties
shall be deemed to be a breach or violation of the covenants of such Stockholder
contained in Sections 3 and 4 and the Stockholders shall not have any liability
hereunder for any such action taken in his capacity as an officer and director
of CT in furtherance of the exercise of such duties.

         7. Assignment. Neither this Agreement nor any of the rights, interests
or obligations hereunder shall be assigned by any of the parties without the
prior written consent of the other parties, except that General REMI II may
assign, in its sole discretion, any or all of its rights and interests to
Citigroup Inc. or any of its direct or indirect wholly owned subsidiaries or
other entities or to Travelers Property Casualty Corp. or any of its direct or
indirect wholly owned subsidiaries or other entities. Subject to the preceding
sentence, this Agreement shall be binding upon, inure to the benefit of and be
enforceable by the parties and their respective successors and assigns and, in
the case of any Stockholder that is an individual, the heirs, executors and
administrators of such Stockholder.

         8. Termination. The rights and obligations contained in Section 3 shall
terminate and shall be of no further legal force and effect on the date on which
stockholders of CT shall have considered and voted upon the Warrant Issuance.
The rights and obligations contained in Section 4 shall terminate and shall be
of no further legal force and effect on the earlier of the date on which (i)
stockholders of CT shall have considered and voted upon any REIT Tax Matters
presented for a vote pursuant to Section 2.14 of the Venture Agreement, (ii) if
the Fund II Initial Closing shall not have occurred by no later than December
31, 2000 or any Extension Date, (a) the Unwind set forth in the Fund I Agreement
is commenced or (b) any dissolution or liquidation of Fund I in accordance with
its terms is completed, (iii) the

926903.3
                                       -5-

<PAGE>



Appraisal Procedures shall have commenced with respect to the Fair Market Value
of the CIG Parties' and their Affiliates' Board Right Shares pursuant to Section
2.14 of the Venture Agreement, or (iv) upon the resignation of the CIG Parties
Initial Board Designees as set forth in Section 2.12(e) of the Venture Agreement
if the CIG Parties or the CT Parties shall have exercised their right to
terminate the Venture Agreement pursuant to Section 2.12(e) of the Venture
Agreement.

         9. General Provisions.

          (a) Specific Performance. The parties agree that irreparable damage
     that is impossible to measure in money damages would occur in the event
     that any of the provisions of this Agreement were not performed in
     accordance with their specific terms or were otherwise breached. It is
     accordingly agreed that the parties shall be entitled to an injunction or
     injunctions to prevent breaches of this Agreement and to enforce
     specifically the terms and provisions of this Agreement in any court of the
     United States located in the State of New York or any New York state court,
     this being in addition to any other remedy to which they are entitled at
     law or in equity.

          (b) Expenses. All costs and expenses incurred in connection with this
     Agreement and the transactions contemplated hereby shall be paid by the
     party incurring such expense.

          (c) Amendments. This Agreement may not be amended except by an
     instrument in writing signed by each of the parties hereto.

          (d) Notice. All notices or other communications required or permitted
     hereunder shall be in writing and shall be deemed given or delivered (i)
     when delivered personally, or (ii) if sent by registered or certified mail,
     return receipt requested, or by private courier when received; and shall be
     addressed as follows:

          If to General REMI II, to:

                               Travelers General Real Estate Mezzanine
                                   Investments II, LLC
                               205 Columbus Blvd., 9PB
                               Hartford, Connecticut 06183-2030
                               Attn:    Duane Nelson, Esq.
                               Real Estate Investment Number: 12833

          With a copies to:

                               Citigroup Investments Inc.
                               388 Greenwich Street, 36th Floor

926903.3
                                       -6-

<PAGE>



                               New York, New York 10013
                               Attn:    Mr. Michael Watson
                               Real Estate Investment Number: 12833

                               Loeb & Loeb LLP
                               1000 Wilshire Boulevard, Suite 1900
                               Los Angeles, California 90017
                               Attn:    Andrew S. Clare, Esq.

          If to the Stockholders, to:

                               c/o Capital Trust, Inc.
                               605 Third Avenue, 26th Floor
                               New York, New York 10016

          With a copy to:

                               Battle Fowler LLP
                               75 East 55th Street
                               New York, New York  10022
                               Attn:    Thomas E. Kruger, Esq.

     or to such other address as such party may indicate by a notice delivered
     to the other parties hereto.

          (e) Interpretation. When a reference is made in this Agreement to
     Sections, such reference shall be to a Section to this Agreement unless
     otherwise indicated. The headings contained in this Agreement are for
     reference purposes only and shall not affect in any way the meaning or
     interpretation of this Agreement. Wherever the words "include", "includes"
     or "including" are used in this Agreement, they shall be deemed to be
     followed by the words "without limitation".

          (f) Counterparts. This Agreement may be executed in one or more
     counterparts, all of which shall be considered one and the same agreement,
     and shall become effective when one or more of the counter parties have
     been signed by each of the parties and delivered to the other party, it
     being understood that each party need not sign the same counterpart.

          (g) Entire Agreement; No Third-Party Beneficiaries. This Agreement
     together with all other agreements executed by the parties hereto on the
     date hereof (including the documents and instruments referred to herein),
     (i) constitutes the entire agreement and supersedes all prior agreements
     and understandings, both written and oral, among the parties with respect
     to the subject matter hereof and (ii) is not intended

926903.3
                                       -7-

<PAGE>



     to confer upon any person other than the parties hereto any rights or
     remedies hereunder.

          (h) Governing Law. This Agreement shall be governed by and construed
     in accordance with the laws of the State of New York as to all matters,
     including but not limited to, matters of validity, construction, effect,
     performance and remedies, without regard to any applicable conflicts of
     law.

          (i) Waivers. Any term or provision of this Agreement may be waived, or
     the time for its performance may be extended, by the party or parties
     entitled to the benefit thereof. Any such waiver shall be validly and
     sufficiently given for the purposes of this Agreement if, as to any party,
     it is in writing signed by an authorized representative of such party. The
     failure of any party hereto to enforce at any time any provision of this
     Agreement shall not be construed to be a waiver of such provision, nor in
     any way to affect the validity of this Agreement or any part hereof or the
     right of any party thereafter to enforce each and every such provision. No
     waiver of any breach of this Agreement shall be held to constitute a waiver
     of any other or subsequent breach.



926903.3
                                       -8-

<PAGE>


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

                              TRAVELERS GENERAL REAL ESTATE
                                MEZZANINE INVESTMENTS II, LLC


                                      /s/  Michael Watson
                              By:   ______________________________
                                    Michael Watson
                                    Vice President


                              CRAIG M. HATKOFF


                                /s/  Craig M. Hatkoff
                              ____________________________________



                              CMH INVESTMENT PARTNERSHIP LP


                              By:   Craig M. Hatkoff, its general partner

                                      /s/  Craig M. Hatkoff
                                    ______________________________
                                    Craig M. Hatkoff

926903.3





                         STOCKHOLDER APPROVAL AGREEMENT


     STOCKHOLDER  APPROVAL  AGREEMENT (this  "Agreement"),  dated as of March 8,
2000,  among  Travelers  General Real Estate  Mezzanine  Investments  II, LLC, a
Delaware limited  liability company ("General REMI II"), John R. Klopp ("Klopp")
and JRK Investment Partnership,  a Delaware limited partnership ("JRKLP") (Klopp
and  JRKLP  are  collectively  referred  to  herein  as the  "Stockholders"  and
individually referred to herein as a "Stockholder").

                              Preliminary Statement

     A. Capital Trust, Inc., a Maryland  corporation  ("CT"), and certain of its
affiliates  (the "CT Parties") and General REMI II and certain of its Affiliates
(the "CIG Parties"),  propose to enter into a venture agreement, dated as of the
date hereof (the "Venture  Agreement"),  pursuant to which,  among other things,
the CIG  Parties  and CT and the CT Parties  will  co-sponsor,  commit to invest
capital in and manage real estate mezzanine investment opportunity funds.

     B. The  Stockholders  own in the  aggregate  2,340,132  shares  (the "Owned
Shares") of class A common  stock,  par value $.01 per share,  of CT ("CT Common
Stock").

     C. As a condition to the CIG Parties' willingness to enter into the Venture
Agreement,  the CIG Parties have requested the  Stockholders  to enter into this
Agreement.

     D. Capitalized terms used but not defined herein have the meanings set
forth in the Venture Agreement.

     NOW,  THEREFORE,   to  induce  the  CIG  Parties  to  enter  into,  and  in
consideration  of the CIG Parties entering into, the Venture  Agreement,  and in
consideration of the premises and the representations, warranties and agreements
contained herein, the parties agree as follows:

     1. Representations and Warranties of the Stockholders. The Stockholders
hereby, jointly and severally, represent and warrant to General REMI II as
follows:

          (a) Authority.  Each Stockholder has all requisite power and authority
     to  enter  into  this   Agreement  and  to  consummate   the   transactions
     contemplated  hereby.  The execution and delivery of this Agreement by each
     Stockholder,  and the consummation of the transactions contemplated hereby,
     has  been  duly  authorized  by all  necessary  action  on the part of each
     Stockholder.  This  Agreement  has been duly executed and delivered by each
     Stockholder and, assuming the due authorization, execution and

912194.10

<PAGE>

     delivery by General REMI II,  constitutes a valid and binding obligation of
     each  Stockholder  enforceable in accordance with its terms,  except to the
     extent enforceability may be limited by bankruptcy,  insolvency, moratorium
     or other similar laws affecting  creditors'  rights generally or by general
     principles governing the availability of equitable remedies.  The execution
     and  delivery  of this  Agreement  does not,  and the  consummation  of the
     transactions  contemplated hereby and compliance with the terms hereof will
     not,  conflict  with,  or result in any  violation  of or default  (with or
     without  notice or lapse of time or both) under any  provision of any trust
     agreement,  partnership  agreement,  loan or credit agreement,  note, bond,
     mortgage,  indenture,  lease  or  other  agreement,   instrument,   permit,
     concession,  franchise,  license, judgment, order, notice, decree, statute,
     law, ordinance, rule or regulation applicable to any of the Stockholders or
     to any of the  property  or assets of any of the  Stockholders.  Except for
     consents,  approvals,  authorizations  and filings as may be required under
     the Hart-Scott-Rodino  Antitrust  Improvements Act of 1976, as amended (the
     "HSR Act"), and the Securities  Exchange Act of 1934, as amended ("Exchange
     Act"), no consent,  approval,  order or authorization  of, or registration,
     declaration or filing with, any court,  administrative agency or commission
     or other governmental  authority or instrumentality,  domestic,  foreign or
     supranational  ("Governmental  Entity"),  is required by or with respect to
     any  Stockholder  in  connection  with the  execution  and delivery of this
     Agreement  or the  consummation  by  any  Stockholder  of the  transactions
     contemplated hereby.

          (b) The Owned Shares.  The  Stockholders  have good and valid title to
     the  Owned  Shares,  free and  clear of any  claims,  liens,  encumbrances,
     pledges and security interests  whatsoever.  The Stockholders own no shares
     of CT Common  Stock or other  shares of stock of CT,  other  than the Owned
     Shares. Except for this Agreement,  and that certain stockholder voting and
     lock-up  agreement,  dated as of the date hereof, by and among General REMI
     II,  the  Stockholders,  and the other  holders  of CT Common  Stock  named
     therein  (the  "Voting  and  Lockup  Agreement"),  no  proxies or powers of
     attorney  have been  granted with respect to the Owned Shares and no voting
     arrangement  (including  voting agreement or voting trust) has been entered
     into  affecting  the  Owned  Shares  that will  remain in effect  after the
     execution of this Agreement.

          (c) Venture  Agreement.  The  Stockholders  understand and acknowledge
     that  General  REMI II is entering  into the Venture  Agreement in reliance
     upon the Stockholders' execution and delivery of this Agreement.

          2. Representations and Warranties of General REMI II. General
REMI II hereby represents and warrants to the Stockholders as follows:

          (a)  Authority.  General REMI II has all requisite  limited  liability
     company power and authority to enter into this  Agreement and to consummate
     the transactions  contemplated  hereby.  The execution and delivery of this
     Agreement  by General  REMI II, and the  consummation  of the  transactions
     contemplated hereby, have been

                                       -2-
912194.10

<PAGE>

     duly authorized by all necessary  limited  liability  company action on the
     part of  General  REMI II.  This  Agreement  has  been  duly  executed  and
     delivered by General REMI II, assuming the due authorization, execution and
     delivery  by each of the  Stockholders,  constitutes  a valid  and  binding
     obligation of General REMI II  enforceable  in  accordance  with its terms,
     except  to  the  extent   enforceability  may  be  limited  by  bankruptcy,
     insolvency,  moratorium or other similar laws affecting  creditors'  rights
     generally or by general principles  governing the availability of equitable
     remedies.  The execution and delivery of this  Agreement  does not, and the
     consummation of the  transactions  contemplated  hereby and compliance with
     the terms hereof will not,  conflict with, or result in any violation of or
     default  (with or  without  notice  or lapse  of time or  both)  under  any
     provision  of any  limited  liability  company  agreement,  loan or  credit
     agreement,  note,  bond,  mortgage,  indenture,  lease or other  agreement,
     instrument,  permit,  concession,   franchise,  license,  judgment,  order,
     notice, decree,  statute, law, ordinance,  rule or regulation applicable to
     General  REMI II or to any of the property or assets of any of General REMI
     II. Except for consents,  approvals,  authorizations  and filings as may be
     required  under the HSR Act and the  Exchange  Act, no  consent,  approval,
     order or authorization of, or registration, declaration or filing with, any
     Governmental  Entity,  is required by or with respect to any Stockholder in
     connection  with  the  execution  and  delivery  of this  Agreement  or the
     consummation by General REMI II of the transactions contemplated hereby.

     3. Covenants of the Stockholders. Until the valid termination of the
provisions of this Section 3 pursuant to Section 8, the Stockholders agree as
follows:

          (a) At any  meeting  of  stockholders  of CT  called  to vote upon the
     Warrant  Issuance (as such term is defined in the Venture  Agreement) or at
     any adjournment  thereof or in any other  circumstances  upon which a vote,
     consent or other  approval with respect to the Warrant  Issuance is sought,
     the Stockholders  shall vote (or cause to be voted) all shares of CT Common
     Stock  they  own or have  voting  control  over  in  favor  of the  Warrant
     Issuance.

          (b) At any meeting of stockholders of CT or at any adjournment thereof
     or in any other circumstances upon which the Stockholders' vote, consent or
     other  approval  is  sought,  the  Stockholders  shall vote (or cause to be
     voted) all shares of CT Common  Stock owned by them or over which they have
     voting  control  against  any  amendment  of CT's  charter  and amended and
     restated bylaws or other proposal or transaction involving CT or any of its
     subsidiaries,  which  amendment  or other  proposal  or  transaction  would
     reasonably  be  expected  in any  manner to impede,  frustrate,  prevent or
     nullify  CT's ability or  obligation  to  consummate  or effect the Warrant
     Issuance.

          (c) The Stockholders  shall not (i) Transfer or Otherwise  Dispose (as
     hereinafter  defined) of, or enter into any agreement or other  arrangement
     with respect

                                       -3-
912194.10

<PAGE>

     to, the Owned Shares to any person, (ii) enter into any voting arrangement,
     whether by proxy,  voting  agreement,  voting  trust,  power of attorney or
     otherwise  with  respect to, the Owned  Shares,  except as provided in this
     Agreement  and the  Voting  and  Lockup  Agreement  or (iii) take any other
     action that would reasonably be expected in any way to restrict,  limit, or
     interfere   with   the   performance   of  their   obligations   hereunder.
     Notwithstanding the foregoing, nothing contained in this Agreement shall be
     deemed to  restrict  or prohibit  the  ability of (i) each  Stockholder  to
     transfer shares to immediate  family members or trusts or other entities in
     connection with estate planning  objectives,  provided that such transferee
     agrees in writing to be bound by the terms of this Agreement as though such
     transferee were a Stockholder, and that notice and a copy of such agreement
     are  provided  to  General  REMI II  prior  to  such  transfer,  (ii)  each
     Stockholder  from  pledging up to a number of its shares of CT Common Stock
     to any nationally recognized financial institution as collateral for a bona
     fide  third  party  loan or from  using up to a number of its  shares of CT
     Common Stock as  collateral  for a bona fide third party margin loan with a
     nationally  recognized financial  institution or broker/dealer equal to the
     maximum  number of shares  that may be pledged  pursuant  to the Voting and
     Lockup Agreement or (iii) JRKLP to enter into an agreement with the respect
     to the voting and  Disposition  of shares of CT Common  Stock  between  and
     among  JRKLP  and  Veqtor  Finance  Company,   L.L.C.  and  CMH  Investment
     Partnership,  LP (the "JCV Group"),  provided that the obligations of JRKLP
     in such  agreement are expressly  subordinate  to the  obligations of JRKLP
     hereunder  and there are no  parties to such  agreement  other than the JCV
     Group.  For purposes of this  Agreement,  "Transfer  or Otherwise  Dispose"
     means any sale, exchange, redemption, assignment, gift, grant of a security
     interest,  pledge or other encumbrance,  or the creation of any other claim
     thereto  or  any  other  transfer  or  disposition   whatsoever  (including
     involuntary sales, exchanges,  transfers or other dispositions, and whether
     or not  for  cash or  other  consideration)  affecting  the  right,  title,
     interest or possession in, to or of CT Common Stock.

     4. Additional Covenants of the Stockholders. Until the valid termination of
the provisions of this Section 4 pursuant to Section 8, the Stockholders agree
as follows:

          (a) At any meeting of  stockholders of CT called to vote upon any REIT
     Tax Matter  submitted  to a vote  pursuant  to Section  2.14 of the Venture
     Agreement or at any adjournment  thereof or in any other circumstances upon
     which the Stockholders' vote, consent or other approval with respect to any
     such REIT Tax Matter is sought, the Stockholders shall vote (or cause to be
     voted) all shares of CT Common  Stock they own or have voting  control over
     at such time in favor of such REIT Tax Matter.

          (b) At any meeting of stockholders of CT or at any adjournment thereof
     or in any other circumstances upon which the Stockholders' vote, consent or
     other  approval  is  sought,  the  Stockholders  shall vote (or cause to be
     voted) all shares of CT Common  Stock owned by them or over which they have
     voting control at such time

                                       -4-
912194.10

<PAGE>

     against any  amendment of CT's  charter and amended and restated  bylaws or
     other  proposal or  transaction  involving  CT or any of its  subsidiaries,
     which  amendment  or other  proposal or  transaction  would  reasonably  be
     expected  in any manner to  impede,  frustrate,  prevent  or  nullify  CT's
     ability or obligation to consummate or effect any REIT Tax Matter.

     5. Further  Assurances.  Each Stockholder will, from time to time,  execute
and deliver,  or cause to be executed and delivered,  such additional or further
transfers, assignments,  endorsements, consents and other instruments as General
REMI II may reasonably  request for the purpose of effectively  carrying out the
transactions  contemplated  by this Agreement and to vest the power to vote such
Stockholder's Owned Shares as contemplated in Section 3.

     6.  Duty.  Notwithstanding  the  covenants  of  Stockholders  contained  in
Sections 3 and 4, any  Stockholder  who is an officer or director of CT, only in
his  capacity  as an officer or director of CT, may take any such action that is
in  furtherance  of the  exercise of his duties as an officer or director  under
Maryland law, and no such action in  furtherance  of the exercise of such duties
shall be deemed to be a breach or violation of the covenants of such Stockholder
contained in Sections 3 and 4 and the Stockholders  shall not have any liability
hereunder  for any such action  taken in his capacity as an officer and director
of CT in furtherance of the exercise of such duties.

     7. Assignment.  Neither this Agreement nor any of the rights,  interests or
obligations  hereunder shall be assigned by any of the parties without the prior
written consent of the other parties, except that General REMI II may assign, in
its sole discretion, any or all of its rights and interests to Citigroup Inc. or
any of its direct or indirect wholly owned  subsidiaries or other entities or to
Travelers  Property Casualty Corp. or any of its direct or indirect wholly owned
subsidiaries  or  other  entities.  Subject  to  the  preceding  sentence,  this
Agreement  shall be binding upon,  inure to the benefit of and be enforceable by
the parties and their respective  successors and assigns and, in the case of any
Stockholder that is an individual,  the heirs,  executors and  administrators of
such Stockholder.

     8.  Termination.  The rights and  obligations  contained in Section 3 shall
terminate and shall be of no further legal force and effect on the date on which
stockholders  of CT shall have  considered and voted upon the Warrant  Issuance.
The rights and  obligations  contained in Section 4 shall terminate and shall be
of no further  legal  force and  effect on the  earlier of the date on which (i)
stockholders  of CT shall have  considered  and voted upon any REIT Tax  Matters
presented for a vote pursuant to Section 2.14 of the Venture Agreement,  (ii) if
the Fund II Initial  Closing  shall not have  occurred by no later than December
31, 2000 or any Extension Date, (a) the Unwind set forth in the Fund I Agreement
is commenced or (b) any  dissolution or liquidation of Fund I in accordance with
its terms is completed, (iii) the Appraisal Procedures shall have commenced with
respect to the Fair Market Value of the CIG Parties' and their Affiliates' Board
Right Shares pursuant to Section 2.14 of the Venture

                                       -5-
912194.10

<PAGE>

Agreement,  or (iv)  upon  the  resignation  of the CIG  Parties  Initial  Board
Designees  as set forth in Section  2.12(e) of the Venture  Agreement if the CIG
Parties or the CT Parties  shall have  exercised  their right to  terminate  the
Venture Agreement pursuant to Section 2.12(e) of the Venture Agreement.

     9. General Provisions.

          (a) Specific  Performance.  The parties agree that irreparable  damage
     that is  impossible  to measure in money  damages  would occur in the event
     that  any of the  provisions  of  this  Agreement  were  not  performed  in
     accordance  with their  specific terms or were  otherwise  breached.  It is
     accordingly  agreed that the parties  shall be entitled to an injunction or
     injunctions   to  prevent   breaches  of  this  Agreement  and  to  enforce
     specifically the terms and provisions of this Agreement in any court of the
     United States located in the State of New York or any New York state court,
     this being in  addition to any other  remedy to which they are  entitled at
     law or in equity.

          (b) Expenses.  All costs and expenses incurred in connection with this
     Agreement  and the  transactions  contemplated  hereby shall be paid by the
     party incurring such expense.

          (c) Amendments. This Agreement may not be amended except by an
     instrument in writing signed by each of the parties hereto.

          (d) Notice. All notices or other communications  required or permitted
     hereunder  shall be in writing and shall be deemed given or  delivered  (i)
     when delivered personally, or (ii) if sent by registered or certified mail,
     return receipt requested, or by private courier when received; and shall be
     addressed as follows:

          If to General REMI II, to:

                               Travelers General Real Estate Mezzanine
                                   Investments II, LLC
                               205 Columbus Blvd., 9PB
                               Hartford, Connecticut 06183-2030
                               Attn:    Duane Nelson, Esq.
                               Real Estate Investment Number: 12833

          With a copies to:

                               Citigroup Investments Inc.
                               388 Greenwich Street, 36th Floor
                               New York, New York 10013
                               Attn:    Mr. Michael Watson

                                       -6-
912194.10

<PAGE>

                               Real Estate Investment Number: 12833

                               Loeb & Loeb LLP
                               1000 Wilshire Boulevard, Suite 1900
                               Los Angeles, California 90017
                               Attn:    Andrew S. Clare, Esq.

          If to the Stockholders, to:

                               c/o Capital Trust, Inc.
                               605 Third Avenue, 26th Floor
                               New York, New York 10016

          With a copy to:

                               Battle Fowler LLP
                               75 East 55th Street
                               New York, New York  10022
                               Attn:    Thomas E. Kruger, Esq.

     or to such other  address as such party may indicate by a notice  delivered
     to the other parties hereto.

          (e)  Interpretation.  When a reference  is made in this  Agreement  to
     Sections,  such reference  shall be to a Section to this  Agreement  unless
     otherwise  indicated.  The  headings  contained in this  Agreement  are for
     reference  purposes  only and shall not  affect in any way the  meaning  or
     interpretation of this Agreement. Wherever the words "include",  "includes"
     or  "including"  are used in this  Agreement,  they  shall be  deemed to be
     followed by the words "without limitation".

          (f)  Counterparts.  This  Agreement  may be  executed  in one or  more
     counterparts,  all of which shall be considered one and the same agreement,
     and shall  become  effective  when one or more of the counter  parties have
     been signed by each of the parties and  delivered  to the other  party,  it
     being understood that each party need not sign the same counterpart.

          (g) Entire  Agreement;  No Third-Party  Beneficiaries.  This Agreement
     together with all other  agreements  executed by the parties  hereto on the
     date hereof  (including the documents and instruments  referred to herein),
     (i)  constitutes the entire  agreement and supersedes all prior  agreements
     and  understandings,  both written and oral, among the parties with respect
     to the subject  matter  hereof and (ii) is not  intended to confer upon any
     person other than the parties hereto any rights or remedies hereunder.

                                       -7-
912194.10

<PAGE>

          (h) Governing Law. This  Agreement  shall be governed by and construed
     in  accordance  with the laws of the  State of New York as to all  matters,
     including but not limited to,  matters of validity,  construction,  effect,
     performance  and remedies,  without regard to any  applicable  conflicts of
     law.

          (i) Waivers. Any term or provision of this Agreement may be waived, or
     the time for its  performance  may be  extended,  by the  party or  parties
     entitled  to the  benefit  thereof.  Any such  waiver  shall be validly and
     sufficiently  given for the purposes of this Agreement if, as to any party,
     it is in writing signed by an authorized  representative of such party. The
     failure of any party  hereto to enforce at any time any  provision  of this
     Agreement shall not be construed to be a waiver of such  provision,  nor in
     any way to affect the validity of this  Agreement or any part hereof or the
     right of any party thereafter to enforce each and every such provision.  No
     waiver of any breach of this Agreement shall be held to constitute a waiver
     of any other or subsequent breach.

                                       -8-
912194.10

<PAGE>

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

                                 TRAVELERS GENERAL REAL ESTATE
                                     MEZZANINE INVESTMENTS II, LLC


                                 By:  /s/  Michael Watson
                                    -------------------------------
                                    Michael Watson
                                    Vice President

                                 JOHN R. KLOPP

                                  /s/  John R. Klopp
                                 ----------------------------------



                                 JRK INVESTMENT PARTNERSHIP LP


                                 By: John R. Klopp, its general partner

                                      /s/  John R. Klopp
                                     -------------------------------
                                     John R. Klopp

912194.10



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