================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G

                               (Amendment No. 3)*

                    Under the Securities Exchange Act of 1934


                            Hub International Limited
                         ------------------------------
                                (Name of Issuer)


                                  Common Shares
                         ------------------------------
                         (Title of Class of Securities)


                                   4432P1 10 1
                         ------------------------------
                                 (CUSIP Number)


                                DECEMBER 31, 2005
                         ------------------------------
             (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)
          Rule 13d-1(c)
     [X]  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 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).

================================================================================



Cusip No. 4432P 10 1                    13G                   Page 2 of 24 Pages
--------------------------------------------------------------------------------
1   Names of Reporting Person/I.R.S. Identification Nos. of Above Persons
    (Entities Only)

         V. PREM WATSA
--------------------------------------------------------------------------------
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                          (a) [ ]
                                                          (b) [X]

--------------------------------------------------------------------------------
3   SEC USE ONLY


--------------------------------------------------------------------------------
4   CITIZENSHIP OR PLACE OF ORGANIZATION

         CANADIAN
--------------------------------------------------------------------------------
                              5      SOLE VOTING POWER


                              --------------------------------------------------
                              6      SHARED VOTING POWER
      NUMBER OF SHARES
        BENEFICIALLY                 10,427,339
  OWNED BY EACH REPORTING    ---------------------------------------------------
        PERSON WITH           7      SOLE DISPOSITIVE POWER


                             ---------------------------------------------------
                              8      SHARED DISPOSITIVE POWER

                                     10,427,339
--------------------------------------------------------------------------------
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    10,427,339
--------------------------------------------------------------------------------
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


--------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    31.3%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

         IN
--------------------------------------------------------------------------------


                                       2



Cusip No. 4432P 10 1                    13G                   Page 3 of 24 Pages
--------------------------------------------------------------------------------
1   Names of Reporting Person/I.R.S. Identification Nos. of Above Persons
    (Entities Only)

         1109519 ONTARIO LIMITED
--------------------------------------------------------------------------------
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                          (a) [ ]
                                                          (b) [X]

--------------------------------------------------------------------------------
3   SEC USE ONLY


--------------------------------------------------------------------------------
4   CITIZENSHIP OR PLACE OF ORGANIZATION

         ONTARIO, CANADA
--------------------------------------------------------------------------------
                              5      SOLE VOTING POWER


                              --------------------------------------------------
                              6      SHARED VOTING POWER
      NUMBER OF SHARES
        BENEFICIALLY                 10,427,339
  OWNED BY EACH REPORTING    ---------------------------------------------------
        PERSON WITH           7      SOLE DISPOSITIVE POWER


                             ---------------------------------------------------
                              8      SHARED DISPOSITIVE POWER

                                     10,427,339
--------------------------------------------------------------------------------
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    10,427,339
--------------------------------------------------------------------------------
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


--------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    31.3%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

         CO
--------------------------------------------------------------------------------


                                       3


Cusip No. 4432P 10 1                    13G                   Page 4 of 24 Pages
--------------------------------------------------------------------------------
1   Names of Reporting Person/I.R.S. Identification Nos. of Above Persons
    (Entities Only)

         THE SIXTY TWO INVESTMENT COMPANY LIMITED
--------------------------------------------------------------------------------
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                          (a) [ ]
                                                          (b) [X]

--------------------------------------------------------------------------------
3   SEC USE ONLY


--------------------------------------------------------------------------------
4   CITIZENSHIP OR PLACE OF ORGANIZATION

         BRITISH COLUMBIA, CANADA
--------------------------------------------------------------------------------
                              5      SOLE VOTING POWER


                              --------------------------------------------------
                              6      SHARED VOTING POWER
      NUMBER OF SHARES
        BENEFICIALLY                 10,427,339
  OWNED BY EACH REPORTING    ---------------------------------------------------
        PERSON WITH           7      SOLE DISPOSITIVE POWER


                             ---------------------------------------------------
                              8      SHARED DISPOSITIVE POWER

                                     10,427,339
--------------------------------------------------------------------------------
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    10,427,339
--------------------------------------------------------------------------------
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


--------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    31.3%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

         CO
--------------------------------------------------------------------------------


                                       4



Cusip No. 4432P 10 1                    13G                   Page 5 of 24 Pages
--------------------------------------------------------------------------------
1   Names of Reporting Person/I.R.S. Identification Nos. of Above Persons
    (Entities Only)

         810679 ONTARIO LIMITED
--------------------------------------------------------------------------------
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                          (a) [ ]
                                                          (b) [X]

--------------------------------------------------------------------------------
3   SEC USE ONLY


--------------------------------------------------------------------------------
4   CITIZENSHIP OR PLACE OF ORGANIZATION

         ONTARIO, CANADA
--------------------------------------------------------------------------------
                              5      SOLE VOTING POWER


                              --------------------------------------------------
                              6      SHARED VOTING POWER
      NUMBER OF SHARES
        BENEFICIALLY                 10,427,339
  OWNED BY EACH REPORTING    ---------------------------------------------------
        PERSON WITH           7      SOLE DISPOSITIVE POWER


                             ---------------------------------------------------
                              8      SHARED DISPOSITIVE POWER

                                     10,427,339
--------------------------------------------------------------------------------
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    10,427,339
--------------------------------------------------------------------------------
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


--------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    31.3%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

         CO
--------------------------------------------------------------------------------


                                       5




Cusip No. 4432P 10 1                    13G                   Page 6 of 24 Pages
--------------------------------------------------------------------------------
1   Names of Reporting Person/I.R.S. Identification Nos. of Above Persons
    (Entities Only)

         FAIRFAX FINANCIAL HOLDINGS LIMITED
--------------------------------------------------------------------------------
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                          (a) [ ]
                                                          (b) [X]

--------------------------------------------------------------------------------
3   SEC USE ONLY


--------------------------------------------------------------------------------
4   CITIZENSHIP OR PLACE OF ORGANIZATION

         CANADA
--------------------------------------------------------------------------------
                              5      SOLE VOTING POWER


                              --------------------------------------------------
                              6      SHARED VOTING POWER
      NUMBER OF SHARES
        BENEFICIALLY                 10,427,339
  OWNED BY EACH REPORTING    ---------------------------------------------------
        PERSON WITH           7      SOLE DISPOSITIVE POWER


                             ---------------------------------------------------
                              8      SHARED DISPOSITIVE POWER

                                     10,427,339
--------------------------------------------------------------------------------
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    10,427,339
--------------------------------------------------------------------------------
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


--------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    31.3%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

         CO
--------------------------------------------------------------------------------


                                       6



Cusip No. 4432P 10 1                    13G                   Page 7 of 24 Pages
--------------------------------------------------------------------------------
1   Names of Reporting Person/I.R.S. Identification Nos. of Above Persons
    (Entities Only)

         CLEARWATER INSURANCE COMPANY
--------------------------------------------------------------------------------
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                          (a) [ ]
                                                          (b) [X]

--------------------------------------------------------------------------------
3   SEC USE ONLY


--------------------------------------------------------------------------------
4   CITIZENSHIP OR PLACE OF ORGANIZATION

         DELAWARE
--------------------------------------------------------------------------------
                              5      SOLE VOTING POWER


                              --------------------------------------------------
                              6      SHARED VOTING POWER
      NUMBER OF SHARES
        BENEFICIALLY                 5,311,241
  OWNED BY EACH REPORTING    ---------------------------------------------------
        PERSON WITH           7      SOLE DISPOSITIVE POWER


                             ---------------------------------------------------
                              8      SHARED DISPOSITIVE POWER

                                     5,311,241
--------------------------------------------------------------------------------
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    5,311,241
--------------------------------------------------------------------------------
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


--------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    16.5%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

         CO
--------------------------------------------------------------------------------


                                       7



Cusip No. 4432P 10 1                    13G                   Page 8 of 24 Pages
--------------------------------------------------------------------------------
1   Names of Reporting Person/I.R.S. Identification Nos. of Above Persons
    (Entities Only)

         MARKEL INSURANCE COMPANY OF CANADA
--------------------------------------------------------------------------------
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                          (a) [ ]
                                                          (b) [X]

--------------------------------------------------------------------------------
3   SEC USE ONLY


--------------------------------------------------------------------------------
4   CITIZENSHIP OR PLACE OF ORGANIZATION

         ONTARIO, CANADA
--------------------------------------------------------------------------------
                              5      SOLE VOTING POWER


                              --------------------------------------------------
                              6      SHARED VOTING POWER
      NUMBER OF SHARES
        BENEFICIALLY                 1,161,781
  OWNED BY EACH REPORTING    ---------------------------------------------------
        PERSON WITH           7      SOLE DISPOSITIVE POWER


                             ---------------------------------------------------
                              8      SHARED DISPOSITIVE POWER

                                     1,161,781
--------------------------------------------------------------------------------
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    1,161,781
--------------------------------------------------------------------------------
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


--------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    3.8%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

         CO
--------------------------------------------------------------------------------


                                       8



Cusip No. 4432P 10 1                    13G                   Page 9 of 24 Pages
--------------------------------------------------------------------------------
1   Names of Reporting Person/I.R.S. Identification Nos. of Above Persons
    (Entities Only)

         COMMONWEALTH INSURANCE COMPANY
--------------------------------------------------------------------------------
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                          (a) [ ]
                                                          (b) [X]

--------------------------------------------------------------------------------
3   SEC USE ONLY


--------------------------------------------------------------------------------
4   CITIZENSHIP OR PLACE OF ORGANIZATION

         BRITISH COLUMBIA, CANADA
--------------------------------------------------------------------------------
                              5      SOLE VOTING POWER


                              --------------------------------------------------
                              6      SHARED VOTING POWER
      NUMBER OF SHARES
        BENEFICIALLY                 950,110
  OWNED BY EACH REPORTING    ---------------------------------------------------
        PERSON WITH           7      SOLE DISPOSITIVE POWER


                             ---------------------------------------------------
                              8      SHARED DISPOSITIVE POWER

                                     950,110
--------------------------------------------------------------------------------
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    950,110
--------------------------------------------------------------------------------
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


--------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    3.1%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

         CO
--------------------------------------------------------------------------------


                                       9



Cusip No. 4432P 10 1                    13G                  Page 10 of 24 Pages
--------------------------------------------------------------------------------
1   Names of Reporting Person/I.R.S. Identification Nos. of Above Persons
    (Entities Only)

         LOMBARD GENERAL INSURANCE COMPANY OF CANADA
--------------------------------------------------------------------------------
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                          (a) [ ]
                                                          (b) [X]

--------------------------------------------------------------------------------
3   SEC USE ONLY


--------------------------------------------------------------------------------
4   CITIZENSHIP OR PLACE OF ORGANIZATION

         ONTARIO, CANADA
--------------------------------------------------------------------------------
                              5      SOLE VOTING POWER


                              --------------------------------------------------
                              6      SHARED VOTING POWER
      NUMBER OF SHARES
        BENEFICIALLY                 2,746,331
  OWNED BY EACH REPORTING    ---------------------------------------------------
        PERSON WITH           7      SOLE DISPOSITIVE POWER


                             ---------------------------------------------------
                              8      SHARED DISPOSITIVE POWER

                                     2,746,331
--------------------------------------------------------------------------------
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    2,746,331
--------------------------------------------------------------------------------
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


--------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    8.6%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

         CO
--------------------------------------------------------------------------------


                                       10



ITEM 1(a).        NAME OF ISSUER:

Hub International Limited

ITEM 1(b).        ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

55 East Jackson Boulevard, Chicago, IL  60604

ITEM 2(a).        NAME OF PERSON FILING:

                  This statement is being jointly filed by the following persons
(collectively, the "Reporting Persons"):

                  1.       V. Prem Watsa, an individual;

                  2.       1109519 Ontario Limited ("1109519"), a corporation
                           incorporated under the laws of Ontario;

                  3.       The Sixty Two Investment Company Limited ("Sixty
                           Two"), a corporation incorporated under the laws of
                           British Columbia;

                  4.       810679 Ontario Limited ("810679"), a corporation
                           incorporated under the laws of Ontario;


                  5.       Fairfax Financial Holdings Limited ("Fairfax"), a
                           corporation incorporated under the laws of Canada;

                  6.       Clearwater Insurance Company, a corporation
                           incorporated under the laws of Delaware;

                  7.       Markel Insurance Company of Canada, a corporation
                           incorporated under the laws of Canada;

                  8.       Commonwealth Insurance Company, a corporation
                           incorporated under the laws of Canada; and

                  9.       Lombard General Insurance Company of Canada, a
                           corporation incorporated under the laws of Canada.

ITEM 2(b).        ADDRESS OF PRINCIPAL BUSINESS OFFICE:

                  The addresses of the Reporting Persons are as follows:

                  1.       Mr. Watsa's business address is 95 Wellington Street
                           West, Suite 800, Toronto, Ontario, Canada, M5J 2N7;


                                       11



                  2.       The principal business address and principal office
                           address of 1109519 is 95 Wellington Street West,
                           Suite 800, Toronto, Ontario, Canada, M5J 2N7;

                  3.       The principal business address and principal office
                           address of Sixty Two is 1600 Cathedral Place, 925
                           West Georgia St., Vancouver, British Columbia,
                           Canada, V6C 3L3;

                  4.       The principal business address and principal office
                           address of 810679 is 95 Wellington Street West, Suite
                           800, Toronto, Ontario, Canada, M5J 2N7;

                  5.       The principal business address and principal office
                           address of Fairfax is 95 Wellington Street West,
                           Suite 800, Toronto, Ontario, Canada, M5J 2N7;

                  6.       The principal business address and principal office
                           address of Clearwater Insurance Company is 300 First
                           Stamford Place, Stamford, Connecticut 06902;

                  7.       The principal business address and principal office
                           address of Markel Insurance Company of Canada is 55
                           University Avenue, Toronto, Ontario M5J 2H7;

                  8.       The principal business address and principal office
                           address of Commonwealth Insurance Company is 595
                           Burrard Street, Suite 1500, Vancouver, British
                           Columbia V7X 1G4; and

                  9.       The principal business address and principal office
                           address of Lombard General Insurance Company of
                           Canada is 105 Adelaide Street West, 7th Floor,
                           Toronto, Ontario M5H 1P9.

ITEM 2(c).        CITIZENSHIP:

V. Prem Watsa is a citizen of Canada.

ITEM 2(d).        TITLE OF CLASS OF SECURITIES:

Common Shares

ITEM 2(e).        CUSIP NUMBER:

4432P 10 1


                                       12



ITEM 3.           IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(b), OR
                  13D-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

(a)               [ ]      Broker or Dealer registered under Section 15 of the
                           Act (15 U.S.C. 78o);

(b)               [ ]      Bank as defined in section 3(a)(6) of the Act
                           (15 U.S.C. 78c);

(c)               [ ]      Insurance Company as defined in section 3(a)(19) of
                           the Act (15 U.S.C. 78c);

(d)               [ ]      An Investment Company registered under section 8 of
                           the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)               [ ]      An investment adviser in accordance with Section
                           240.13d-1(b)(1)(ii)(E);

(f)               [ ]      An employee benefit plan or endowment fund in
                           accordance with Section 240.13d-1(b)(1)(ii)(F);

(g)               [ ]      A parent holding company or control person, in
                           accordance with Section 240.13d-1(b)(1)(ii)(G);

(h)               [ ]      A savings associations as defined in Section 3(b) of
                           the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)               [ ]      A church plan that is excluded from the definition of
                           an investment company under section 3(c)(14) of the
                           Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)               [ ]      Group, in accordance with Section
                           240.13d-1(b)(1)(ii)(J).

ITEM 4.           OWNERSHIP.

Based on the most recent information available, the aggregate number and
percentage of the common shares (the "Shares") of Hub International Limited
("Hub") that are beneficially owned by each of the Reporting Persons, assuming
full conversion of all of the convertible securities held by such Reporting
Person, is set forth in boxes 9 and 11 of the second part of the cover page to
this Schedule 13G, and such information is incorporated herein by reference.

The number of Shares as to which each of the Reporting Persons has sole voting
power, shared voting power, sole dispositive power and shared dispositive power,
assuming full conversion of all of the convertible securities held by such
Reporting Person, is set forth in boxes 5, 6, 7 and 8, respectively, on the
second part of the cover page to this Schedule 13G, and such information is
incorporated herein by reference.

Shares reported as beneficially owned include Shares issuable upon conversion of
certain convertible debentures, denominated in United States dollars, that are
convertible into Shares based upon a fixed conversion price in Canadian dollars.
For purposes of calculating the number of Shares issuable upon conversion of
such convertible debentures, an exchange rate was used


                                       13



based on the average for the 20 business days immediately prior to December 31,
2005 of the noon buying rate in New York City for cable transfers of Canadian
dollars as certified for customs purposes by the Federal Reserve Bank of New
York (in accordance with the indenture under which the convertible debentures
were issued).

Neither the filing of this Schedule 13G nor the information contained herein
shall be deemed to constitute an affirmation by V. Prem Watsa, 1109519, Sixty
Two, 810679, Fairfax, Clearwater, Markel, Commonwealth or Lombard that such
person is the beneficial owner of the Shares referred to herein for purposes of
Section 13(d) or 13(g) of the Securities Exchange Act of 1934, as amended, or
for any other purpose, and such beneficial ownership is expressly disclaimed.

ITEM 5.           OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

Not applicable

ITEM 6.           OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER
                  PERSON.

Not applicable

ITEM 7.           IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
                  ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING
                  COMPANY.

Not applicable

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

See attached Exhibit No. 1.

ITEM 9.           NOTICE OF DISSOLUTION OF GROUP.

Not applicable

ITEM 10.          CERTIFICATION.

Not applicable


                                       14



                                    SIGNATURE

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

Dated:  February 7, 2006                V. Prem Watsa

                                        /s/ V. Prem Watsa
                                        ----------------------------------------


                                       15



                                    SIGNATURE

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

Dated:  February 7, 2006                1109519 Ontario Limited

                                        By: /s/ V. Prem Watsa
                                            ------------------------------------
                                            Name:  V. Prem Watsa
                                            Title: President


                                       16



                                    SIGNATURE

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

Dated:  February 7, 2006                The Sixty Two Investment Company Limited

                                        By: /s/ V. Prem Watsa
                                            ------------------------------------
                                            Name:  V. Prem Watsa
                                            Title: President


                                       17



                                    SIGNATURE

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

Dated: February 7, 2006                 810679 Ontario Limited

                                        By: /s/ V. Prem Watsa
                                            ------------------------------------
                                            Name:  V. Prem Watsa
                                            Title: President


                                       18



                                    SIGNATURE

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

Dated:  February 7, 2006                Fairfax Financial Holdings Limited

                                        By: /s/ Paul Rivett
                                            ------------------------------------
                                            Name:  Paul Rivett
                                            Title: Vice President


                                       19



                                    SIGNATURE

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

Dated: February 7, 2006                 Clearwater Insurance Company

                                        By: /s/ Donald L. Smith
                                            ------------------------------------
                                            Name:  Donald L. Smith
                                            Title: Senior Vice President


                                       20



                                    SIGNATURE

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

Dated:  February 7, 2006                Markel Insurance Company of Canada

                                        By: /s/ V. Prem Watsa
                                            ------------------------------------
                                            Name:  V. Prem Watsa
                                            Title: Director


                                       21



                                    SIGNATURE

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

Dated:  February 7, 2006                Commonwealth Insurance Company

                                        By: /s/ V. Prem Watsa
                                            ------------------------------------
                                            Name:  V. Prem Watsa
                                            Title: Director


                                       22



                                    SIGNATURE

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

Dated:  February 7, 2006                Lombard General Insurance Company
                                        of Canada

                                        By: /s/ V. Prem Watsa
                                            ------------------------------------
                                            Name:  V. Prem Watsa
                                            Title: Director


                                       23



                                  EXHIBIT INDEX

EXHIBIT NO.       DESCRIPTION
-----------       -----------

1                 Members of filing group.

2                 Joint Filing Agreement dated as of February 7, 2006 among V.
                  Prem Watsa, 1109519 Ontario Limited, The Sixty Two Investment
                  Company Limited, 810679 Ontario Limited, Fairfax Financial
                  Holdings Limited, Clearwater Insurance Company, Markel
                  Insurance Company of Canada, Commonwealth Insurance Company
                  and Lombard General Insurance Company of Canada.


                                       24