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

                                 SCHEDULE 13G/A

                    Under the Securities Exchange Act of 1934

                               (Amendment No. 1)*

                          Five Star Quality Care, Inc.
                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
                         (Title of Class of Securities)

                                    33832D106
                                 (CUSIP Number)

                                December 31, 2007
             (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 the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not be
deemed to be "filed" for 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).










                               Page 1 of 13 Pages





CUSIP No. 33832D106                    13G/A                  Page 2 of 13 Pages


-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            Highbridge International 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

            Cayman Islands, British West Indies
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    $19,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 1,461,538
                    shares of Common Stock
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    $19,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 1,461,538
                    shares of Common Stock
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             $19,000,000 principal amount of 3.75% Convertible Senior
             Notes due 2026, convertible into 1,461,538 shares of Common
             Stock
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             4.41%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON **
             OO
-----------------------------------------------------------------------

                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 33832D106                    13G/A                  Page 3 of 13 Pages


-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            Highbridge Convertible Arbitrage Master Fund, L.P.
-----------------------------------------------------------------------
     (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, British West Indies
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    $1,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 76,923
                    shares of Common Stock
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    $1,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 76,923
                    shares of Common Stock
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             $1,000,000 principal amount of 3.75% Convertible
             Senior Notes due 2026, convertible into 76,923
             shares of Common Stock
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0.24%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON **
             PN
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!






CUSIP No. 33832D106                    13G/A                  Page 4 of 13 Pages


-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            Highbridge Statistical Opportunities Master Fund, L.P.
-----------------------------------------------------------------------
     (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, British West Indies
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                        0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    165,484 shares of Common Stock
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    165,484 shares of Common Stock
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             165,484 shares of Common Stock
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0.52%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON **
             PN
-----------------------------------------------------------------------

                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 33832D106                    13G/A                  Page 5 of 13 Pages


-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            STAR, L.P. (a statistical arbitrage strategy)
-----------------------------------------------------------------------
     (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, British West Indies
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                        0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    38,233 shares of Common Stock
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    38,233 shares of Common Stock
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             38,233 shares of Common Stock
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             0.12%
-----------------------------------------------------------------------
    (12)     TYPE OF REPORTING PERSON **
             PN
-----------------------------------------------------------------------

                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 33832D106                    13G/A                  Page 6 of 13 Pages


-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            Highbridge Capital Management, LLC               20-1901985
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION

            State of Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                        0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    203,717 shares of Common Stock

                    $20,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 1,538,462
                    shares of Common Stock
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    203,717 shares of Common Stock

                    $20,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 1,538,462
                    shares of Common Stock
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             203,717 shares of Common Stock

             $20,000,000 principal amount of 3.75% Convertible Senior
             Notes due 2026, convertible into 1,538,462 shares of Common
             Stock
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             5.24%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON **
             OO
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 33832D106                    13G/A                  Page 7 of 13 Pages


-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            Glenn Dubin
-----------------------------------------------------------------------
     (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      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    203,717 shares of Common Stock

                    $20,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 1,538,462
                    shares of Common Stock
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    203,717 shares of Common Stock

                    $20,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 1,538,462
                    shares of Common Stock
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             203,717 shares of Common Stock

             $20,000,000 principal amount of 3.75% Convertible Senior
             Notes due 2026, convertible into 1,538,462 shares of Common
             Stock
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                           [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             5.24%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON **
             IN
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 33832D106                    13G/A                  Page 8 of 13 Pages


-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

            Henry Swieca
-----------------------------------------------------------------------
     (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      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    203,717 shares of Common Stock

                    $20,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 1,538,462
                    shares of Common Stock
OWNED BY       --------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    203,717 shares of Common Stock

                    $20,000,000 principal amount of 3.75% Convertible
                    Senior Notes due 2026, convertible into 1,538,462
                    shares of Common Stock
-----------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             203,717 shares of Common Stock

             $20,000,000 principal amount of 3.75% Convertible Senior
             Notes due 2026, convertible into 1,538,462 shares of Common
             Stock
-----------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **
                                                                    [ ]
-----------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
             5.24%
-----------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON **
             IN
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 33832D106                    13G/A                  Page 9 of 13 Pages


This Amendment No. 1 (this "Amendment") amends the statement on Schedule 13G
filed on July 27, 2007 (as amended, the "Schedule 13G") with respect to the
shares of common stock, par value $0.01 per share (the "Common Stock") of Five
Star Quality Care, Inc., a Maryland corporation (the "Company"). Capitalized
terms used herein and not otherwise defined in this Amendment have the meanings
set forth in the Schedule 13G. This Amendment amends and restates Items 2(a),
2(b), 2(c), 4 and 10 in their entirety as set forth below.

Item 2(a).  Name of Person Filing
Item 2(b).  Address of Principal Business Office
Item 2(c).  Citizenship


           HIGHBRIDGE INTERNATIONAL LLC
           c/o Harmonic Fund Services
           The Cayman Corporate Centre, 4th Floor
           27 Hospital Road
           Grand Cayman, Cayman Islands, British West Indies
           Citizenship:  Cayman Islands, British West Indies

           HIGHBRIDGE CONVERTIBLE ARBITRAGE MASTER FUND, L.P.
           c/o Harmonic Fund Services
           The Cayman Corporate Centre, 4th Floor
           27 Hospital Road
           Grand Cayman, Cayman Islands, British West Indies
           Citizenship:  Cayman Islands, British West Indies

           HIGHBRIDGE STATISTICAL OPPORTUNITIES MASTER FUND, L.P.
           c/o Harmonic Fund Services
           The Cayman Corporate Centre, 4th Floor
           27 Hospital Road
           Grand Cayman, Cayman Islands, British West Indies
           Citizenship:  Cayman Islands, British West Indies

           STAR, L.P. (A STATISTICAL ARBITRAGE STRATEGY)
           c/o Harmonic Fund Services
           The Cayman Corporate Centre, 4th Floor
           27 Hospital Road
           Grand Cayman, Cayman Islands, British West Indies
           Citizenship:  Cayman Islands, British West Indies

           HIGHBRIDGE CAPITAL MANAGEMENT, LLC IRS #: 20-1901985
           9 West 57th Street, 27th Floor
           New York, New York  10019
           Citizenship:  State of Delaware

           GLENN DUBIN
           c/o Highbridge Capital Management, LLC
           9 West 57th Street, 27th Floor
           New York, New York 10019
           Citizenship:  United States

           HENRY SWIECA
           c/o Highbridge Capital Management, LLC
           9 West 57th Street, 27th Floor
           New York, New York 10019





CUSIP No. 33832D106                    13G/A                 Page 10 of 13 Pages


           Citizenship:  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:

            As of the date of this filing, (i) Highbridge International LLC is
the beneficial owner of $19,000,000 principal amount of 3.75% Convertible Senior
Notes due 2026, convertible into 1,461,538 shares of Common Stock, (ii)
Highbridge Convertible Arbitrage Master Fund, L.P. is the beneficial owner of
$1,000,000 principal amount of 3.75% Convertible Senior Notes due 2026,
convertible into 76,923 shares of Common Stock, (iii) Highbridge Statistical
Opportunities Master Fund, L.P. is the beneficial owner of 165,484 shares of
Common Stock, (iv) STAR, L.P. (a statistical arbitrage strategy) is the
beneficial owner of 38,233 shares of Common Stock and (v) each of Highbridge
Capital Management, LLC, Glenn Dubin and Henry Swieca may be deemed the
beneficial owner of the $20,000,000 principal amount of 3.75% Convertible Senior
Notes due 2026, convertible into 1,538,462 shares of Common Stock held by
Highbridge International LLC and Highbridge Convertible Arbitrage Master Fund,
L.P. and the 203,717 shares of Common Stock held by Highbridge Statistical
Opportunities Master Fund, L.P. and STAR, L.P. (a statistical arbitrage
strategy).

            Highbridge Capital Management, LLC is the trading manager of
Highbridge International LLC, Highbridge Convertible Arbitrage Master Fund,
L.P., Highbridge Statistical Opportunities Master Fund, L.P. and STAR, L.P. (a
statistical arbitrage strategy). Glenn Dubin is the Chief Executive Officer of
Highbridge Capital Management, LLC. Henry Swieca is the Chief Investment Officer
of Highbridge Capital Management, LLC. The foregoing should not be construed in
and of itself as an admission by any Reporting Person as to beneficial ownership
of shares of Common Stock owned by another Reporting Person. In addition, each
of Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca disclaims
beneficial ownership of shares of Common Stock held by Highbridge International
LLC, Highbridge Convertible Arbitrage Master Fund, L.P., Highbridge Statistical
Opportunities Master Fund, L.P. and STAR, L.P. (a statistical arbitrage
strategy).

            (b) Percent of class:

                  The Company's Quarterly Report filed on Form 10-Q for the
quarterly period ended September 30, 2007 indicates that as of November 7, 2007,
there were 31,708,134 shares of Common Stock outstanding. Therefore, based on
the Company's outstanding shares of Common Stock and assuming the conversion of
the 3.75% Convertible Senior Notes due 2026, (i) Highbridge International LLC
may be deemed to beneficially own 4.41% of the outstanding shares of Common
Stock of the Company, (ii) Highbridge Convertible Arbitrage Master Fund, L.P.
may be deemed to beneficially own 0.24% of the outstanding shares of Common
Stock of the Company, (iii) Highbridge Statistical Opportunities Master Fund,
L.P. may be deemed to beneficially own 0.52% of the outstanding shares of Common
Stock of the Company, (iv) STAR, L.P. (a statistical arbitrage strategy) may be
deemed to beneficially own 0.12% of the outstanding shares of Common Stock of
the Company, and (v) each of Highbridge Capital Management, LLC, Glenn Dubin and
Henry Swieca may be deemed to beneficially own 5.24% of the outstanding shares
of Common Stock of the Company. The foregoing should not be construed in and of
itself as





CUSIP No. 33832D106                    13G/A                 Page 11 of 13 Pages


an admission by any Reporting Person as to beneficial ownership of
shares of Common Stock owned by another Reporting Person.

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

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

                     0

               (ii)  Shared power to vote or to direct the vote

                     See Item 4(a)

               (iii) Sole power to dispose or to direct the disposition
                     of

                     0

               (iv)  Shared power to dispose or to direct the
                     disposition of

                     See Item 4(a)


Item 10. Certification

            By signing below each of the undersigned certifies that, to the best
of its 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.

Exhibits:

Exhibit I: Joint Filing Agreement, dated as of January 23, 2008, by and among
Highbridge International LLC, Highbridge Convertible Arbitrage Master Fund,
L.P., Highbridge Statistical Opportunities Master Fund, L.P., STAR, L.P. (a
statistical arbitrage strategy), Highbridge Capital Management, LLC, Glenn Dubin
and Henry Swieca.




CUSIP No. 33832D106                    13G/A                 Page 12 of 13 Pages


                                   SIGNATURES

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

Dated: January 23, 2008

HIGHBRIDGE CAPITAL MANAGEMENT, LLC        HIGHBRIDGE INTERNATIONAL LLC

                                          By: Highbridge Capital Management, LLC
                                              its Trading Manager

By: /s/ Noah Greenhill
    --------------------------------
Name: Noah Greenhill                      By: /s/ Noah Greenhill
Title: Managing Director                      ----------------------------------
                                          Name: Noah Greenhill
                                          Title: Managing Director

HIGHBRIDGE CONVERTIBLE ARBITRAGE          HIGHBRIDGE STATISTICAL OPPORTUNITIES
MASTER FUND, L.P.                         MASTER FUND, L.P.

By: Highbridge Capital Management, LLC    By: Highbridge Capital Management, LLC
    its Trading Manager                       its Trading Manager


By: /s/ Noah Greenhill                    By: /s/ Noah Greenhill
    --------------------------------          ----------------------------------
Name: Noah Greenhill                      Name: Noah Greenhill
Title: Managing Director                  Title: Managing Director

STAR, L.P.

By: Highbridge Capital Management, LLC
    its Trading Manager                   /s/ Glenn Dubin
                                          --------------------------------
                                          GLENN DUBIN

By: /s/ Noah Greenhill
    ----------------------------
Name: Noah Greenhill
Title: Managing Director



/s/ Henry Swieca
--------------------------------
HENRY SWIECA







CUSIP No. 33832D106                    13G/A                 Page 13 of 13 Pages


                                    EXHIBIT I

                             JOINT FILING AGREEMENT

This will confirm the agreement by and among the undersigned that the Schedule
13G filed with the Securities and Exchange Commission on or about the date
hereof with respect to the beneficial ownership by the undersigned of the shares
of Common Stock, $0.01 par value, of Five Star Quality Care, Inc., is being
filed, and all amendments thereto will be filed, on behalf of each of the
persons and entities named below in accordance with Rule 13d-1(k) under the
Securities Exchange Act of 1934, as amended. This Agreement may be executed in
two or more counterparts, each of which shall be deemed an original, but all of
which together shall constitute one and the same instrument.

Dated: January 23, 2008

HIGHBRIDGE CAPITAL MANAGEMENT, LLC        HIGHBRIDGE INTERNATIONAL LLC

                                          By: Highbridge Capital Management, LLC
                                              its Trading Manager

By: /s/ Noah Greenhill
    --------------------------------
Name: Noah Greenhill                      By: /s/ Noah Greenhill
Title: Managing Director                      ----------------------------------
                                          Name: Noah Greenhill
                                          Title: Managing Director

HIGHBRIDGE CONVERTIBLE ARBITRAGE          HIGHBRIDGE STATISTICAL OPPORTUNITIES
MASTER FUND, L.P.                         MASTER FUND, L.P.

By: Highbridge Capital Management, LLC    By: Highbridge Capital Management, LLC
    its Trading Manager                       its Trading Manager


By: /s/ Noah Greenhill                    By: /s/ Noah Greenhill
    --------------------------------          ----------------------------------
Name: Noah Greenhill                      Name: Noah Greenhill
Title: Managing Director                  Title: Managing Director

STAR, L.P.

By: Highbridge Capital Management, LLC
    its Trading Manager                   /s/ Glenn Dubin
                                          --------------------------------
                                          GLENN DUBIN

By: /s/ Noah Greenhill
    ----------------------------
Name: Noah Greenhill
Title: Managing Director



/s/ Henry Swieca
--------------------------------
HENRY SWIECA