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

                                  SCHEDULE 13G
                                (RULE 13d - 102)

             Information to be included in statements filed pursuant
           to Rules 13d-1(b), (c) and (d) and amendments thereto filed
                              pursuant to 13d-2(b)

                                (AMENDMENT NO.1)*

                           Constar International Inc.
                                (Name of Issuer)

                          Common Stock, par value $.01
                         (Title of Class of Securities)

                                    21036U107
                                 (CUSIP Number)

                                December 31, 2006
             (Date of Event which Requires Filing of this Statement)

                          Check the appropriate box to
                         designate the rule pursuant to
                          which this Schedule is filed:

                                [ ] Rule 13d-1(b)
                                [x] Rule 13d-1(c)
                                [ ] Rule 13d-1(d)


                             *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 (however, see the Notes).

                       (Continued on the Following Pages)





1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

               TCM Spectrum Fund LP

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             91,525

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             91,525

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             91,525

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             0.7%

12.     TYPE OF REPORTING PERSON*

             PN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

             TCM Spectrum Fund (QP) LP

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [ ]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             0

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             0

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             0

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             0.0%

12.     TYPE OF REPORTING PERSON*

             PN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

               TCM Crossways Fund LP

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             17,000

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             17,000

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             17,000

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             0.1%

12.     TYPE OF REPORTING PERSON*

             PN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

               TCM Spectrum Fund (Offshore) Ltd.

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             566,274

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             566,274

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             566,274

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             4.5%

12.     TYPE OF REPORTING PERSON*

             CO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

               TCM Spectrum Fund (Offshore) II Ltd.

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [ ]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             0

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             0

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             0

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             0.0%

12.     TYPE OF REPORTING PERSON*

             CO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

               TCM Select Opportunities Master Fund Ltd.

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             200,727

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             200,727

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             200,727

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             1.6%

12.     TYPE OF REPORTING PERSON*

             CO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

               TCM Select Opportunities Fund (Offshore) Ltd.

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             200,727

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             200,727

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             200,727

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             1.6%

12.     TYPE OF REPORTING PERSON*

             CO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

               The Coast Fund L.P.

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [ ]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             0

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             0

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             0

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             0.0%

12.     TYPE OF REPORTING PERSON*

             PN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

           Partners Group Alternative Strategies PCC Limited

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Channel Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             274,869

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             274,869

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             274,869

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             2.2%

12.     TYPE OF REPORTING PERSON*

             CO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

             Troob Capital Management LLC

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             108,525

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             108,525

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             108,525

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

          0.9%

12.     TYPE OF REPORTING PERSON*

             OO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

             Troob Capital Management (Offshore) LLC

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             767,001

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             767,001

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             767,001

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

          6.1%

12.     TYPE OF REPORTING PERSON*

             OO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

              Troob Capital Advisors LLC

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             274,869

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             274,869

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             274,869

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

          2.2%

12.     TYPE OF REPORTING PERSON*

             OO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

               Douglas M. Troob

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             1,150,395

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             1,150,395

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             1,150,395

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             9.1%

12.     TYPE OF REPORTING PERSON*

             IN, HC

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!





1.      NAMES OF REPORTING PERSONS
        I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

               Peter J. Troob

2.      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

        (a) [x]
        (b) [ ]

3.      SEC USE ONLY

4.      CITIZENSHIP OR PLACE OF ORGANIZATION

             United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5.      SOLE VOTING POWER

             0

6.      SHARED VOTING POWER

             1,150,395

7.      SOLE DISPOSITIVE POWER

             0

8.      SHARED DISPOSITIVE POWER

             1,150,395

9.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

             1,150,395

10.     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
        EXCLUDES CERTAIN SHARES*       [ ]

11.     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

             9.1%

12.     TYPE OF REPORTING PERSON*

             IN, HC

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




This  Amendment No. 1 is filed with respect to the shares of Common  Stock,  par
value $0.01 (the "Common  Stock") of Constar  International  Inc. (the "Issuer")
beneficially  owned by the Reporting  Persons (as defined  below) as of December
31, 2006,  and amends and  supplements  the Schedule 13G filed on April 24, 2006
(collectively, the "Schedule 13G"). Except as set forth herein, the Schedule 13G
is unmodified.

The names of the persons filing this statement on Schedule 13G are:

o       TCM Spectrum Fund LP ("Domestic Fund"), o TCM Spectrum Fund (QP) LP
        ("QP Fund"),
o       TCM Crossways Fund LP ("Crossways Fund"),
o       TCM Spectrum Fund (Offshore) Ltd. ("Spectrum Offshore Fund"),
o       TCM Spectrum Fund (Offshore) II Ltd. ("Spectrum Offshore Fund II"),
o       TCM Select Opportunities Fund (Offshore) Ltd. ("Select Offshore Fund"),
o       TCM Select Opportunities Master Fund Ltd. ("Select Master Fund"),
o       The Coast Fund L.P. ("Coast"),
o       Partners Group Alternative Strategies PCC Limited ("Partners Group"),
o       Troob Capital Management LLC ("Management LLC"),
o       Troob Capital Management (Offshore) LLC ("Offshore Management LLC"),
o       Troob Capital Advisors LLC ("Advisors LLC"),
o       Douglas M. Troob and
o       Peter J. Troob.

     The  Domestic  Fund,  QP Fund,  Crossways  Fund,  Spectrum  Offshore  Fund,
Spectrum  Offshore Fund II, Select  Offshore  Fund,  Select Master Fund,  Coast,
Partners Group,  Management LLC, Offshore  Management LLC, Advisors LLC, Douglas
Troob and Peter Troob shall be collectively referred to herein as the "Reporting
Persons."

         ITEM 2(a).      NAME OF PERSON FILING:

      The names of the persons filing this statement on Schedule 13G are:

o        TCM Spectrum Fund LP,
o        TCM Crossways Fund LP,
o        TCM Spectrum Fund (Offshore) Ltd.,
o        TCM Select Opportunities Fund (Offshore) Ltd.,
o        TCM Select Opportunities Master Fund Ltd.,
o        Partners Group Alternative Strategies PCC Limited,
o        Troob Capital Management LLC,
o        Troob Capital Management (Offshore) LLC,
o        Troob Capital Advisors LLC,
o        Douglas M. Troob and
o        Peter J. Troob.

     Management LLC is the managing general partner of each of Domestic Fund and
Crossways Fund. Offshore Management LLC is the investment manager of each of the
Spectrum  Offshore  Fund,  Select  Offshore  Fund and the  Select  Master  Fund.
Advisors  LLC is the  manager of the  Issuer's  shares of Common  Stock owned by
Partners Group.  Douglas Troob and Peter Troob are the managing  members of each
of Management LLC, Offshore Management LLC and Advisors LLC.

ITEM 2(b).      ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

     The principal  business  address for each of the Domestic  Fund,  Crossways
Fund,  Management LLC, Offshore  Management LLC, Advisors LLC, Douglas Troob and
Peter Troob is 777 Westchester Avenue, Suite 203, White Plains, New York 10604.

     The  principal  business  address of each of the  Spectrum  Offshore  Fund,
Select  Offshore  Fund  and  Master  Fund is Bank of  Butterfield  International
(Cayman) Ltd.,  Butterfield  House, 68 Fort Street,  George Town,  Grand Cayman,
Cayman Islands.

     The  principal  business  address of Partners  Group is c/o Partners  Group
(Guernsey) Limited, Elizabeth House, Les Ruettes Braye, St Peter Port, Guernsey,
Channel Islands.

ITEM 2(c).      CITIZENSHIP:

     Each  of the  Domestic  Fund  and  Crossways  Fund  is a  Delaware  limited
partnership.

     Each of the Spectrum  Offshore Fund, Select Offshore Fund and Select Master
Fund is a Cayman Islands exempted company.

     Each of  Management  LLC,  Offshore  Management  LLC and  Advisors LLC is a
Delaware limited liability company.

     Partners Group is a company formed in the Channel Islands.

     Each of Douglas Troob and Peter Troob is a citizen of the United States.


      ITEM 4.         OWNERSHIP.

     Provide  the  following  information  regarding  the  aggregate  number and
percentage of the class of securities of the issuer identified in Item 1.

     (a)  Amount beneficially owned:

          The Domestic Fund owns 91,525 shares of Common Stock.

          The QP Fund owns no shares of Common Stock.

          The Crossways Fund owns 17,000 shares of Common Stock.

          The Spectrum Offshore Fund owns 566,274 shares of Common Stock.

          The Spectrum Offshore Fund II owns no shares of Common Stock.

          The Select  Offshore Fund  beneficially  owns 200,727 shares of Common
          Stock.




          The Select Master Fund owns 200,727 shares of Common Stock.

          Coast owns no shares of Common Stock.

          Partners Group owns 274,869 shares of Common Stock.

          Management  LLC is deemed  to  beneficially  own the  shares of Common
          Stock beneficially owned by the Domestic Fund and Crossways Fund.

          Offshore  Management LLC is deemed to  beneficially  own the shares of
          Common Stock  beneficially owned by the Spectrum Offshore Fund, Select
          Offshore Fund and the Select Master Fund.

          Advisors LLC is deemed to beneficially  own the shares of Common Stock
          beneficially  owned by the  accounts it manages,  which  includes  the
          shares of Common Stock held by Partners Group.

          Douglas  Troob and  Peter  Troob are  deemed to  beneficially  own the
          shares of Common Stock  beneficially owned by Management LLC, Offshore
          Management LLC and Advisors LLC.

          Collectively,  the Reporting Persons beneficially own 1,150,395 shares
          of Common Stock.

     (b)  Percent of Class:

          The  Domestic  Fund's  ownership  of 91,525  shares  of  Common  Stock
          represents 0.7% of all the outstanding shares of Common Stock.

          The  Crossways  Fund's  ownership  of 17,000  shares  of Common  Stock
          represents 0.1% of all the outstanding shares of Common Stock.

          The Spectrum  Offshore  Fund's  ownership of 566,274  shares of Common
          Stock represents 4.5% of all the outstanding shares of Common Stock.

          The Select Offshore Fund's  beneficial  ownership  (through the Select
          Master Fund) of 200,727 shares of Common Stock  represents 1.6% of all
          outstanding shares of Common Stock.

          The Select Master Fund's  ownership of 200,727  shares of Common Stock
          represents 1.6% of all the outstanding shares of Common Stock.

          Partners   Group's   ownership  of  274,869  shares  of  Common  Stock
          represents 2.2% of all the outstanding shares of Common Stock.

          Management  LLC's  beneficial  ownership  of 108,525  shares of Common
          Stock represents 0.9% of all the outstanding shares of Common Stock.

          Offshore  Management LLC's  beneficial  ownership of 767,001 shares of
          Common Stock  represents 6.1% of all the outstanding  shares of Common
          Stock.

          Advisors LLC's beneficial  ownership of 274,869 shares of Common Stock
          represents 2.2% of all the outstanding shares of Common Stock.

          Each of Douglas  Troob's and Peter  Troob's  beneficial  ownership  of
          1,150,395  shares of Common Stock  represents  9.1% of the outstanding
          shares of Common Stock.

          Collectively, the Reporting Persons' beneficial ownership of 1,150,395
          shares of Common Stock  represents 9.1% of the  outstanding  shares of
          Common Stock.

     (c)  Number of shares as to which such person has:

          (i)   Sole power to vote or to direct the vote

                Not applicable.

          (ii)  Shared power to vote or to direct the vote of shares of Common
                Stock:

                The Domestic Fund, Management LLC, Douglas Troob and
                Peter Troob have the shared power to vote or direct
                the vote of 91,525 shares of Common Stock owned by
                the Domestic Fund.

                The Crossways Fund, Management LLC, Douglas Troob and
                Peter Troob have the shared power to vote or direct
                the vote of 17,000 shares of Common Stock owned by
                the Crossways Fund.

                The Spectrum Offshore Fund, Offshore Management LLC,
                Douglas Troob and Peter Troob have the shared power
                to vote or direct the vote of 566,274 shares of
                Common Stock beneficially owned by the Spectrum
                Offshore Fund.

                The Select Master Fund, Select Offshore Fund,
                Offshore Management LLC, Douglas Troob and Peter
                Troob have the shared power to vote or direct the
                vote of 200,727 shares of Common Stock owned by the
                Select Master Fund.

                Partners Group, Advisors LLC, Douglas Troob and Peter
                Troob have the shared power to vote or direct the
                vote of the 274,869 shares of Common Stock held in an
                account for the Partners Group.

          (iii) Sole power to dispose or to direct the  disposition of shares of
                Common Stock:

                Not applicable.

          (iv)  Shared power to dispose or to direct the disposition of shares
                of Common Stock:

                The Domestic Fund, Management LLC, Douglas Troob and
                Peter Troob have the shared power to dispose or to
                direct the disposition of the 91,525 shares of Common
                Stock owned by the Domestic Fund.

                The Crossways Fund, Management LLC, Douglas Troob and
                Peter Troob have the shared power to dispose or to
                direct the disposition of the 17,000 shares of Common
                Stock owned by the Crossways Fund.

                The Spectrum Offshore Fund, Offshore Management LLC,
                Douglas Troob and Peter Troob have the shared power
                to dispose or to direct the disposition of the
                566,274 shares of Common Stock owned by the Spectrum
                Offshore Fund.

                The Select Master Fund, Select Offshore Fund,
                Offshore Management LLC, Douglas Troob and Peter
                Troob have the shared power to dispose or to direct
                the disposition of the 200,727 shares of Common Stock
                owned by the Master Fund.

                Partners Group, Advisors LLC, Douglas Troob and Peter
                Troob have the shared power to dispose or to direct
                the disposition of the 274,869 shares of Common Stock
                held in an account for Partners Group.

ITEM 8.    IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

        See Exhibit B attached hereto.

ITEM 9.    NOTICE OF DISSOLUTION OF GROUP.

        The QP Fund, Spectrum Offshore Fund II and Coast no longer own shares of
Common Stock, and therefore are no longer members of the group of Reporting
Persons.

ITEM 10.   CERTIFICATION.

By signing below the undersigned certifies that, to the best of its or his
knowledge and belief, the securities referred to above were not acquired and are
not held for the purpose of or with the effect of changing or influencing the
control of the issuer of the securities and were not acquired and are not held
in connection with or as a participant in any transaction having that purpose or
effect.




                                   SIGNATURE

     After reasonable  inquiry and to the best of its knowledge and belief,  the
undersigned  certifies that the information set forth in this statement is true,
complete, and correct.


Dated:  February 13, 2007


                          TCM SPECTRUM FUND LP

                         By: Troob Capital Management LLC
                             As General Partner


                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member

                         TCM SPECTRUM FUND (QP) LP
                         By: Troob Capital Management LLC
                                           As General Partner


                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member

                         TCM CROSSWAYS FUND LP
                         By: Troob Capital Management LLC
                                           As General Partner


                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member


                         TCM SPECTRUM FUND (OFFSHORE) LTD.



                         By: /s/ Peter Troob
                             -------------------------
                                 Peter Troob, Director


                         TCM SELECT OPPORTUNITIES FUND (OFFSHORE) LTD.



                         By: /s/ Peter Troob
                             -------------------------
                                 Peter Troob, Director


                         TCM SELECT OPPORTUNITIES FUND (OFFSHORE) II LTD.



                         By: /s/ Peter Troob
                             -------------------------
                                 Peter Troob, Director


                         TCM SELECT OPPORTUNITIES MASTER FUND LTD.



                         By: /s/ Peter Troob
                             -------------------------
                                 Peter Troob, Director

                         THE COAST FUND L.P.
                         By:  Coast Offshore Management (Cayman), Ltd.,
                                 Its Managing General Partner

                               By: /s/ Troy Spencer
                                   -------------------------
                                       Troy Spencer, Chief Administrative
                                                     Officer


                         TROOB CAPITAL MANAGEMENT LLC



                         By: /s/ Peter Troob
                             --------------------------------
                                 Peter Troob, Managing Member


                         TROOB CAPITAL MANAGEMENT (OFFSHORE) LLC



                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member


                         TROOB CAPITAL ADVISORS LLC



                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member



                         /s/ Douglas M. Troob
                         --------------------
                             Douglas M. Troob


                        /s/ Peter J. Troob
                         -----------------
                            Peter J. Troob









                       PARTNERS GROUP ALTERNATIVE STRATEGIES PCC LIMITED

                       By: Troob Capital Advisors LLC,
                                    As Trading Advisor


                               By: /s/ Peter Troob
                                 --------------------------------
                                       Peter Troob, Managing Member







                                    EXHIBIT A
                             JOINT FILING AGREEMENT

     The  undersigned  hereby  agree that the  statement  on  Schedule  13G with
respect to the Common Stock of Constar  International  Inc. dated as of February
13,  2007  is,  and  any  further  amendments  thereto  signed  by  each of the
undersigned shall be, filed on behalf of each of the undersigned pursuant to and
in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange
Act of 1934, as amended.



Dated:  February 13, 2007


                          TCM SPECTRUM FUND LP

                         By: Troob Capital Management LLC
                             As General Partner


                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member

                         TCM SPECTRUM FUND (QP) LP
                         By: Troob Capital Management LLC
                                           As General Partner


                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member

                         TCM CROSSWAYS FUND LP
                         By: Troob Capital 13Management LLC
                                           As General Partner


                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member


                         TCM SPECTRUM FUND (OFFSHORE) LTD.



                         By: /s/ Peter Troob
                             -------------------------
                                 Peter Troob, Director


                         TCM SELECT OPPORTUNITIES FUND (OFFSHORE) LTD.



                         By: /s/ Peter Troob
                             -------------------------
                                 Peter Troob, Director


                         TCM SELECT OPPORTUNITIES FUND (OFFSHORE) II LTD.



                         By: /s/ Peter Troob
                             -------------------------
                                 Peter Troob, Director


                         TCM SELECT OPPORTUNITIES MASTER FUND LTD.



                         By: /s/ Peter Troob
                             -------------------------
                                 Peter Troob, Director

                         THE COAST FUND L.P.
                         By:  Coast Offshore Management (Cayman), Ltd.,
                                 Its Managing General Partner

                               By: /s/ Troy Spencer
                                   -------------------------
                                       Troy Spencer, Chief Administrative
                                                     Officer


                         TROOB CAPITAL MANAGEMENT LLC



                         By: /s/ Peter Troob
                             --------------------------------
                                 Peter Troob, Managing Member


                         TROOB CAPITAL MANAGEMENT (OFFSHORE) LLC



                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member


                         TROOB CAPITAL ADVISORS LLC



                             By: /s/ Peter Troob
                                 --------------------------------
                                     Peter Troob, Managing Member



                         /s/ Douglas M. Troob
                         --------------------
                             Douglas M. Troob


                        /s/ Peter J. Troob
                         -----------------
                            Peter J. Troob




                       PARTNERS GROUP ALTERNATIVE STRATEGIES PCC LIMITED

                       By: Troob Capital Advisors LLC,
                                    As Trading Advisor


                               By: /s/ Peter Troob
                                 --------------------------------
                                       Peter Troob, Managing Member





                                    EXHIBIT B

                     IDENTIFICATION OF MEMBERS OF THE GROUP



TCM Spectrum Fund LP
TCM Crossways Fund LP
TCM Spectrum Fund (Offshore) Ltd.
TCM Select Opportunities Fund (Offshore) Ltd.
TCM Select Opportunities Master Fund Ltd.
Partners Group Alternative Strategies PCC Limited
Troob Capital Management LLC
Troob Capital Management (Offshore) LLC
Troob Capital Advisors LLC
Douglas M. Troob
Peter J. Troob