SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                                (Amendment No. )*

                           Wright Express Corporation
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    98233Q105
                                 (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 13G 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 purposes 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 15 Pages)




CUSIP No. 98233Q105                 13G                  Page 2 of 15 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                 O.S.S. Capital Management 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, USA
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                      -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                      1,803,300
OWNED BY       ______________________________________________________________

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                      1,803,300
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                      1,803,300
-----------------------------------------------------------------------------
     (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 **
                                                      PN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 98233Q105                 13G                  Page 3 of 15 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                            Oscar S. Schafer & Partners I 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, USA
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                      -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                      71,096
OWNED BY       ______________________________________________________________

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                      71,096
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                      71,096
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
                                                      0.2%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                      PN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 98233Q105                 13G                  Page 4 of 15 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                            Oscar S. Schafer & Partners II 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, USA
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                      -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                      775,836
OWNED BY       ______________________________________________________________

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                      775,836
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                      775,836
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
                                                      1.9%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                      PN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 98233Q105                 13G                  Page 5 of 15 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                   O.S.S. Overseas 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      (5)  SOLE VOTING POWER
                                                      -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                      956,368
OWNED BY       ______________________________________________________________

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                      956,368
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                      956,368
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
                                                      2.4%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                      CO
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 98233Q105                 13G                  Page 6 of 15 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                       O.S.S. 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, USA
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                      -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                      846,932
OWNED BY       ______________________________________________________________

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                      846,932
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                      846,932
-----------------------------------------------------------------------------
     (10)    CHECK BOX IF THE AGGREGATE AMOUNT
             IN ROW (9) EXCLUDES CERTAIN SHARES **                       [ ]
-----------------------------------------------------------------------------
     (11)    PERCENT OF CLASS REPRESENTED
             BY AMOUNT IN ROW (9)
                                                      2.1%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                      OO
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 98233Q105                 13G                  Page 7 of 15 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                      Schafer Brothers 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, USA
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                      -0-
SHARES         ______________________________________________________________

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                      1,803,300
OWNED BY       ___________________________________________________________

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                      1,803,300
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                      1,803,300
-----------------------------------------------------------------------------
     (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 **
                                                      OO
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 98233Q105                 13G                  Page 8 of 15 Pages

----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                           Oscar S. Schafer
-----------------------------------------------------------------------------
     (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
                                                      1,803,300
OWNED BY       ______________________________________________________________

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                      1,803,300
-----------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
                                                      1,803,300
-----------------------------------------------------------------------------
     (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 **
                                                      IN
-----------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!





CUSIP No. 98233Q105                 13G                   Page 9 of 15 Pages

ITEM 1.

      (a)  NAME OF ISSUER: Wright Express Corporation

      (b)  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
           97 Darling Avenue
           South Portland, ME  04106

Item 2(a).     NAME OF PERSON FILING:

           (i) Oscar S. Schafer & Partners I LP, a Delaware limited partnership
               ("OSS I"), with respect to shares of Common Stock (as defined in
               Item 2(d) below) directly owned by it;

          (ii) Oscar S. Schafer & Partners II LP, a Delaware limited
               partnership ("OSS II", and together with OSS I, the
               "Partnerships"), with respect to shares of Common Stock as
               defined in Item 2(d) below) directly owned by it;

         (iii) O.S.S. Advisors LLC, a Delaware limited liability company (the
               "General Partner"), which serves as the general partner of each
               of the Partnerships, with respect to shares of Common Stock (as
               defined in Item 2(d) below) directly owned by each of the
               Partnerships;

          (iv) O.S.S. Overseas Fund Ltd., a Cayman Islands exempted company
               ("OSS Overseas"), with respect to shares of Common Stock directly
               owned by it;

           (v) O.S.S. Capital Management LP, a Delaware limited partnership (the
               "Investment Manager"), which serves as investment manager, and
               management company, to OSS Overseas and the Partnerships,
               respectively, and has investment discretion with respect to
               shares of Common Stock directly owned by OSS Overseas and
               Partnerships;

          (vi) Schafer Brothers LLC, a Delaware limited liability company (the
               "SB LLC"), which serves as the general partner to the Investment
               Manager, with respect to shares of Common Stock directly owned by
               OSS Overseas and the Partnerships; and

         (vii) Mr. Oscar S. Schafer ("Mr. Schafer"), who serves as the senior
               managing member of the General Partner and of the SB LLC, with
               respect to shares of Common Stock directly owned by the
               Partnerships and OSS Overseas.





CUSIP No. 98233Q105                 13G                   Page 10 of 15 Pages

     The Partnerships, OSS Overseas, the General Partner, the Investment
Manager, SB LLC and Mr. Schafer are hereinafter sometimes collectively referred
to as the "Reporting Persons." Any disclosures herein with respect to persons
other than the Reporting Persons are made on information and belief after making
inquiry to the appropriate party.

ITEM 2.

         (a)      NAME OF PERSON FILING
                  (i)      O.S.S. Capital Management LP
                  (ii)     Oscar S. Schafer & Partners I LP
                  (iii)    Oscar S. Schafer & Partners II LP
                  (iv)     O.S.S. Overseas Fund Ltd.
                  (v)      O.S.S. Advisors LLC
                  (vi)     Schafer Brothers LLC
                  (vii)    Oscar S. Schafer

         (b)      ADDRESS OF PRINCIPAL OFFICE, OR, IF NONE, RESIDENCE

                  The address of the principal business offices of each of:
                  (i)      Investment Manager
                                    598 Madison Avenue
                                    New York, NY 10022
                  (ii)     OSS I
                                    598 Madison Avenue
                                    New York, NY 10022
                  (iii)    OSS II
                                    598 Madison Avenue
                                    New York, NY 10022
                  (iv)     OSS Overseas
                                    SEI Investments Global (Cayman) Limited
                                    Harbor Place, 5th Floor
                                    South Church Street, P.O. Box 30464 SMB
                                    Grand Cayman, Cayman Islands
                                    British West Indies
                  (v)      General Partner
                                    598 Madison Avenue
                                    New York, NY 10022
                  (vi)     SB LLC
                                    598 Madison Avenue
                                    New York, NY 10022
                  (vii)    Mr. Schafer
                                    598 Madison Avenue
                                    New York, NY 10022

         (c)      CITIZENSHIP
                  (i) Investment Manager - Delaware, USA
                 (ii) OSS I - Delaware, USA
                (iii) OSS II - Delaware, USA
                 (iv) OSS Overseas - Cayman Islands
                  (v) General Partner - Delaware, USA
                 (vi) SB LLC - Delaware, USA
                (vii) Mr. Schafer - New York, USA




CUSIP No. 98233Q105                 13G                   Page 11 of 15 Pages

         (d)      TITLE OF CLASS OF SECURITIES Common Stock, par value $0.01
                  ("Common Stock")

         (e)      CUSIP NUMBER 98233Q105

Item 3. If this statement is filed pursuant to Rules 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,

          (b)  [ ] Bank as defined in Section 3(a)(6) of the Act,

          (c)  [ ] Insurance Company as defined in Section 3(a)(19) of the
                   Act,

          (d)  [ ] Investment Company registered under Section 8 of the
                   Investment Company Act of 1940,

          (e)  [ ] Investment Adviser in accordance with Rule 13d-1
                   (b)(1)(ii)(E),

          (f)  [ ] Employee Benefit Plan or Endowment Fund in accordance
                   with 13d-1 (b)(1)(ii)(F),

          (g)  [ ] Parent Holding Company or control person in accordance
                   with Rule 13d-1 (b)(1)(ii)(G),

          (h)  [ ] Savings Association as defined in Section 3(b) of the
                   Federal Deposit Insurance Act,

          (i)  [ ] Church Plan that is excluded from the definition of an
                   investment company under Section 3(c)(14) of the Investment
                   Company Act of 1940,

          (j)  [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

     Not applicable.





CUSIP No. 98233Q105                 13G                   Page 12 of 15 Pages

ITEM 4. OWNERSHIP.

         A. Investment Manager
             (a) Amount beneficially owned: 1,803,300
             (b) Percent of class: 4.5% Based on calculations made in accordance
with Rule 13d-3(d), and there being 40,391.000 outstanding.
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 1,803,300
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition:
                      1,803,300

         B. OSS I
             (a) Amount beneficially owned: 71,096
             (b) Percent of class: 0.2%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 71,096
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 71,096

         C. OSS II
             (a) Amount beneficially owned: 775,836
             (b) Percent of class: 1.9%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 775,836
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 775,836

         D. OSS Overseas
             (a) Amount beneficially owned: 956,368
             (b) Percent of class: 2.4%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 956,368
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 956,368

         E. General Partner
             (a) Amount beneficially owned: 846,932
             (b) Percent of class: 2.1%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 846,932
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 846,932





CUSIP No. 98233Q105                 13G                   Page 13 of 15 Pages

         F. SB LLC
             (a) Amount beneficially owned: 1,803,300
             (b) Percent of class: 4.5%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 1,803,300
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 1,803,300

         G. Mr. Schafer
             (a) Amount beneficially owned: 1,803,300
             (b) Percent of class: 4.5%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 1,803,300
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 1,803,300

     The Investment Manager, the General Partner, SB LLC and Mr. Schafer
expressly declare that this filing shall not be construed as an admission that
each is, for the purposes of sections 13(d) or 13(g) of the Act, the beneficial
owner of any securities covered by this filing.

ITEM 5.   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
          If this statement is being filed to report the fact that as of the
date hereof the reporting person has ceased to be the beneficial owner of more
than fiver percent of the class of securities, check the following [X].

ITEM 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON
          The (i) limited partners and the general partner of the
Partnership and (ii) the shareholders and advisor of OSS Overseas have the right
to participate in the receipt of dividends from, or proceeds from the sale of,
the securities held for the Partnerships and OSS Overseas, respectively.

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 Item 2.

ITEM 9.   NOTICE OF DISSOLUTION OF GROUP
            Not applicable.






CUSIP No. 98233Q105                 13G                   Page 14 of 15 Pages

ITEM 10.   CERTIFICATION

                  By signing below I certify that, to the best of my
                  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 my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

                                                February 14, 2007
                                          ------------------------------
                                                       Date

                                          /s/ Oscar S. Schafer
                                          ------------------------------
                                                     Signature

                                          Oscar S. Schafer, Managing Partner
                                            ------------------------------
                                                     Name/Title

The original statement shall be signed by each person on whose behalf the
statement is filed or his authorized representative. If the statement is signed
on behalf of a person by his authorized representative other than an executive
officer or general partner of the filing person, evidence of the
representative's authority to sign on behalf of such person shall be filed with
the statement, provided, however, that a power of attorney for this purpose
which is already on file with the Commission may be incorporated by reference.
The name and any title of each person who signs the statement shall be typed or
printed beneath his signature.


NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See ss.240.13d-7 for other
parties for whom copies are to be sent.

ATTENTION:  INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE FEDERAL
CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001)






CUSIP No. 98233Q105                 13G                   Page 15 of 15 Pages

                                    EXHIBIT 1

                           JOINT ACQUISITION STATEMENT
                            PURSUANT TO RULE 13d-1(k)


              The undersigned acknowledge and agree that the foregoing statement
on Schedule 13G, is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement on Schedule 13G, shall be filed on
behalf of each of the undersigned without the necessity of filing additional
joint acquisition statements. The undersigned acknowledge that each shall be
responsible for the timely filing of such amendments, and for the completeness
and accuracy of the information concerning him or it contained therein, but
shall not be responsible for the completeness and accuracy of the information
concerning the others, except to the extent that he or it knows or has reason to
believe that such information is inaccurate.


DATED:  February 14, 2007



                                  /s/ Oscar S. Schafer
                                  -------------------------------------
                                  individually and as senior managing member
                                  of (a) O.S.S. Advisors LLC, for itself and
                                         as the general partner of
                                         (i) Oscar S. Schafer & Partners I LP;
                                             and
                                        (ii) Oscar S. Schafer & Partners II
                                             LP; and
                                     (b) Schafer Brothers LLC, for itself
                                         and as the general partner of
                                         O.S.S. Capital Management LP