SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   ----------

                                  SCHEDULE 13G

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934



                           International Paper Company
                      -------------------------------------
                                (Name of Issuer)

                     COMMON STOCK, PAR VALUE $1.00 per share
                    -----------------------------------------
                         (Title of Class of Securities)

                                    460146103
                                 --------------
                                 (CUSIP Number)

                                February 16, 2010
                      ------------------------------------
                      (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 information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act.

                         (Continued on following pages)

                              (Page 1 of 18 Pages)





-------------------                                           ------------------
CUSIP NO. 460146103                   13G                     Page 2 of 18 Pages
-------------------                                           ------------------

--------------------------------------------------------------------------------
1      NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

       TPG-Axon Capital Management, LP ("TPG-Axon Management")
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                  (a) |X|
                                                                         (b) |_|
--------------------------------------------------------------------------------
3      SEC USE ONLY

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

--------------------------------------------------------------------------------
       NUMBER OF       5       SOLE VOTING POWER
       SHARES
                               0
                       ---------------------------------------------------------
       BENEFICIALLY    6       SHARED VOTING POWER

                               12,247,442 shares of Common Stock and options to
                               purchase 10,500,000 shares of Common Stock
                       ---------------------------------------------------------
       OWNED BY        7       SOLE DISPOSITIVE POWER

       EACH
                               0
       REPORTING
                       ---------------------------------------------------------
       PERSON          8       SHARED DISPOSITIVE POWER

       WITH                    12,247,442 shares of Common Stock and options to
                               purchase 10,500,000 shares of Common Stock
--------------------------------------------------------------------------------
9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       12,247,442 shares of Common Stock and options to purchase 10,500,000
       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)

       5.25%*
--------------------------------------------------------------------------------
12     TYPE OF REPORTING PERSON

       PN
--------------------------------------------------------------------------------





-------------------                                           ------------------
CUSIP NO. 460146103                   13G                     Page 3 of 18 Pages
-------------------                                           ------------------

--------------------------------------------------------------------------------
1      NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

       TPG-Axon Partners GP, LP ("PartnersGP")
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                  (a) |X|
                                                                         (b) |_|
--------------------------------------------------------------------------------
3      SEC USE ONLY

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

--------------------------------------------------------------------------------
       NUMBER OF       5       SOLE VOTING POWER
       SHARES
                               0
                       ---------------------------------------------------------
       BENEFICIALLY    6       SHARED VOTING POWER

                               4,654,028 shares of Common Stock and options to
                               purchase 3,990,000 shares of Common Stock
                       ---------------------------------------------------------
       OWNED BY        7       SOLE DISPOSITIVE POWER

       EACH
                               0
       REPORTING
                       ---------------------------------------------------------
       PERSON          8       SHARED DISPOSITIVE POWER

       WITH                    4,654,028 shares of Common Stock and options to
                               purchase 3,990,000 shares of Common Stock
--------------------------------------------------------------------------------
9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       4,654,028 shares of Common Stock and options to purchase 3,990,000 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)

       1.99%*
--------------------------------------------------------------------------------
12     TYPE OF REPORTING PERSON

       PN
--------------------------------------------------------------------------------





-------------------                                           ------------------
CUSIP NO. 460146103                   13G                     Page 4 of 18 Pages
-------------------                                           ------------------

--------------------------------------------------------------------------------
1      NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

       TPG-Axon GP, LLC ("GPLLC")
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                  (a) |X|
                                                                         (b) |_|
--------------------------------------------------------------------------------
3      SEC USE ONLY

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

--------------------------------------------------------------------------------
       NUMBER OF       5       SOLE VOTING POWER
                               SHARES
                               0
                       ---------------------------------------------------------
       BENEFICIALLY    6       SHARED VOTING POWER

                               12,247,442 shares of Common Stock and options to
                               purchase 10,500,000 shares of Common Stock
                       ---------------------------------------------------------
       OWNED BY        7       SOLE DISPOSITIVE POWER

       EACH
                               0
       REPORTING
                       ---------------------------------------------------------
       PERSON          8       SHARED DISPOSITIVE POWER

       WITH                    12,247,442 shares of Common Stock and options to
                               purchase 10,500,000 shares of Common Stock
--------------------------------------------------------------------------------
9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       12,247,442 shares of Common Stock and options to purchase 10,500,000
       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)

       5.25%*
--------------------------------------------------------------------------------
12     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------




-------------------                                           ------------------
CUSIP NO. 460146103                   13G                     Page 5 of 18 Pages
-------------------                                           ------------------

--------------------------------------------------------------------------------
1      NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

       TPG-Axon Partners, LP ("TPG-Axon Domestic")
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                  (a) |X|
                                                                         (b) |_|
--------------------------------------------------------------------------------
3      SEC USE ONLY

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

--------------------------------------------------------------------------------
       NUMBER OF       5       SOLE VOTING POWER
       SHARES
                               0
                       ---------------------------------------------------------
       BENEFICIALLY    6       SHARED VOTING POWER

                               4,654,028 shares of Common Stock and options to
                               purchase 3,990,000 shares of Common Stock
                       ---------------------------------------------------------
       OWNED BY        7       SOLE DISPOSITIVE POWER

       EACH
                               0
       REPORTING
                       ---------------------------------------------------------
       PERSON          8       SHARED DISPOSITIVE POWER

       WITH                    4,654,028 shares of Common Stock and options to
                               purchase 3,990,000 shares of Common Stock
--------------------------------------------------------------------------------
9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       4,654,028 shares of Common Stock and options to purchase 3,990,000
       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)

       1.99%*
--------------------------------------------------------------------------------
12     TYPE OF REPORTING PERSON

       PN
--------------------------------------------------------------------------------





-------------------                                           ------------------
CUSIP NO. 460146103                   13G                     Page 6 of 18 Pages
-------------------                                           ------------------

--------------------------------------------------------------------------------
1      NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

       TPG-Axon Partners (Offshore), Ltd. ("TPG-Axon Offshore")
--------------------------------------------------------------------------------
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
       SHARES
                               0
                       ---------------------------------------------------------
       BENEFICIALLY    6       SHARED VOTING POWER

                               7,593,414 shares of Common Stock and options to
                               purchase 6,510,000 shares of Common Stock
                       ---------------------------------------------------------
       OWNED BY        7       SOLE DISPOSITIVE POWER

       EACH
                               0
       REPORTING
                       ---------------------------------------------------------
       PERSON          8       SHARED DISPOSITIVE POWER

       WITH                    7,593,414 shares of Common Stock and options to
                               purchase 6,510,000 shares of Common Stock
--------------------------------------------------------------------------------
9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       7,593,414 shares of Common Stock and options to purchase 6,510,000
       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)

       3.26%*
--------------------------------------------------------------------------------
12     TYPE OF REPORTING PERSON

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





-------------------                                           ------------------
CUSIP NO. 460146103                   13G                     Page 7 of 18 Pages
-------------------                                           ------------------

--------------------------------------------------------------------------------
1      NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

       Dinakar Singh LLC ("Singh LLC")
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                  (a) |X|
                                                                         (b) |_|
--------------------------------------------------------------------------------
3      SEC USE ONLY

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

       Delaware
--------------------------------------------------------------------------------
       NUMBER OF       5       SOLE VOTING POWER
       SHARES
                               0
                       ---------------------------------------------------------
       BENEFICIALLY    6       SHARED VOTING POWER

                               12,247,442 shares of Common Stock and options to
                               purchase 10,500,000 shares of Common Stock
                       ---------------------------------------------------------
       OWNED BY        7       SOLE DISPOSITIVE POWER

       EACH
                               0
       REPORTING
                       ---------------------------------------------------------
       PERSON          8       SHARED DISPOSITIVE POWER

       WITH                    12,247,442 shares of Common Stock and options to
                               purchase 10,500,000 shares of Common Stock
--------------------------------------------------------------------------------
9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       12,247,442 shares of Common Stock and options to purchase 10,500,000
       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)

       5.25%*
--------------------------------------------------------------------------------
12     TYPE OF REPORTING PERSON

       OO
--------------------------------------------------------------------------------





-------------------                                           ------------------
CUSIP NO. 460146103                   13G                     Page 8 of 18 Pages
-------------------                                           ------------------

--------------------------------------------------------------------------------
1      NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

       Dinakar Singh ("Mr. Singh")
--------------------------------------------------------------------------------
2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                  (a) |X|
                                                                         (b) |_|
--------------------------------------------------------------------------------
3      SEC USE ONLY

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

       USA
--------------------------------------------------------------------------------
       NUMBER OF       5       SOLE VOTING POWER
                               SHARES
                               0
                       ---------------------------------------------------------
       BENEFICIALLY    6       SHARED VOTING POWER

                               12,247,442 shares of Common Stock and options to
                               purchase 10,500,000 shares of Common Stock
                       ---------------------------------------------------------
       OWNED BY        7       SOLE DISPOSITIVE POWER

       EACH
                               0
       REPORTING
                       ---------------------------------------------------------
       PERSON          8       SHARED DISPOSITIVE POWER

       WITH                    12,247,442 shares of Common Stock and options to
                               purchase 10,500,000 shares of Common Stock
--------------------------------------------------------------------------------
9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       12,247,442 shares of Common Stock and options to purchase 10,500,000
       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)

       5.25%*
--------------------------------------------------------------------------------
12     TYPE OF REPORTING PERSON

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




-------------------                                           ------------------
CUSIP NO. 460146103                   13G                     Page 9 of 18 Pages
-------------------                                           ------------------

ITEM 1.

      (a) NAME OF ISSUER: International Paper Company

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

          6400 Poplar Avenue
          Memphis, TN 38197

ITEM 2.

          2(a). NAME OF PERSON FILING:

          This statement is filed by the entities and persons listed below, all
of whom together are referred to herein as the "Reporting Persons":

          (i)    TPG-Axon Capital Management, LP ("TPG-Axon Management"), a
                 Delaware limited  partnership,  with respect to the Shares
                 reported in this  Schedule 13G held by TPG-Axon  Partners,
                 LP ("TPG-Axon Domestic") and TPG-Axon Partners (Offshore),
                 Ltd.  ("TPG-Axon  Offshore,"  and together  with  TPG-Axon
                 Domestic the "Funds").

          (ii)   TPG-Axon Partners GP, LP ("PartnersGP"), a Delaware limited
                 partnership which serves as the general partner of TPG-Axon
                 Domestic, with respect to the Shares reported in this Schedule
                 13G managed by TPG-Axon Management and held by TPG-Axon
                 Domestic.

          (iii)  TPG-Axon GP, LLC ("GPLLC"), a Delaware limited liability
                 company, which serves as the general partner of TPG-Axon
                 Management and PartnersGP, with respect to the Shares reported
                 in this Schedule 13G managed by TPG-Axon Management and held by
                 the Funds.

          (iv)   TPG-Axon Domestic, a Delaware limited partnership, with respect
                 to the Shares reported in this Schedule 13G directly held by
                 it.

          (v)    TPG-Axon Offshore, a Cayman Islands exempted company, with
                 respect to the Shares reported in this Schedule 13G directly
                 held by it.

          (vi)   Dinakar Singh LLC ("Singh  LLC"), a Delaware limited liability
                 company which serves as the managing member of GPLLC, with
                 respect to the Shares reported in this Schedule 13G managed by
                 TPG-Axon Management and held by the Funds.

          (vii)  Dinakar Singh ("Mr. Singh"), an individual who serves as the
                 managing member of Singh LLC, with respect to the Shares
                 reported in this Schedule 13G managed by TPG-Axon Management
                 and held by the Funds.





-------------------                                          -------------------
CUSIP NO. 460146103                   13G                    Page 10 of 18 Pages
-------------------                                          -------------------

      (b) ADDRESS OF PRINCIPAL OFFICE:

          (All, except TPG-Axon       TPG-Axon Offshore
          Offshore)

          888 Seventh Avenue          c/o Goldman Sachs (Cayman) Trust Limited
          38th Floor                  PO Box 896GT, Harbour Centre, 2nd Floor
          New York, New York 10019    George Town, Grand Cayman
                                      Cayman Islands, BWI

      (c) Citizenship: Delaware (all except TPG-Axon Offshore and Mr.
          Singh); TPG-Axon Offshore: Cayman Islands; Mr. Singh is a
          United States citizen.

      (d) Title of Class of Securities: Common Stock, par value $1.00
          per share (the "Shares")

      (e) CUSIP Number: 460146103

ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO SS.SS.240.13D-1(B) OR
        240.13D-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) |_| 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
              ss.240.13d-1(b)(1)(ii)(E).

      (f) |_| An employee benefit plan or endowment fund in accordance with
              ss.240.13d-1(b)(1)(ii)(F).

      (g) |_| A parent holding company or control person in accordance with
              ss.240.13d-1(b)(1)(ii)(G).

      (h) |_| A savings association 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 ss.240.13d-1(b)(1)(ii)(J).

      IF THIS STATEMENT IS FILED PURSUANT TO Rule 13d-1(c), CHECK THIS BOX [X]





-------------------                                          -------------------
CUSIP NO. 460146103                   13G                    Page 11 of 18 Pages
-------------------                                          -------------------

ITEM 4. OWNERSHIP

          TPG-Axon Management, as investment manager to TPG-Axon Domestic and
TPG-Axon Offshore, has the power to direct the disposition and voting of the
Shares held by TPG-Axon Domestic and TPG-Axon Offshore. PartnersGP is the
general partner of TPG-Axon Domestic. GPLLC is the general partner of PartnersGP
and TPG-Axon Management. Singh LLC is a Managing Member of GPLLC. Mr. Singh, an
individual, is the Managing Member of Singh LLC and in such capacity may be
deemed to control Singh LLC, GPLLC and TPG-Axon Management, and therefore may be
deemed the beneficial owner of the securities held by TPG-Axon Domestic and
TPG-Axon Offshore.

          Each of Singh LLC, GPLLC, PartnersGP and Mr. Singh disclaim beneficial
ownership of all of the shares of Common Stock and options to purchase shares of
Common Stock reported in this 13G.

          A.  TPG-Axon Management
              (a)   Amount beneficially owned: 12,247,442 shares of Common Stock
                    and options to purchase 10,500,000 shares of Common Stock
              (b)   Percent of class: 5.25%*
                    (*All percentages of beneficial ownership reported in this
                    Schedule 13G are based on the 433,094,767 outstanding shares
                    of Common Stock reported in the Issuer's form 10Q for the
                    quarterly period ended September 30, 2009.)
              (c)   Number of shares as to which the person has:
                    (i)   Sole power to vote or to direct the vote:
                          0
                    (ii)  Shared power to vote or to direct the vote:
                          12,247,442 shares of Common Stock and options to
                          purchase 10,500,000 shares of Common Stock
                    (iii) Sole power to dispose or to direct the disposition of:
                          0
                    (iv)  Shared power to dispose or to direct the disposition
                          of:
                          12,247,442 shares of Common Stock and options to
                          purchase 10,500,000 shares of Common Stock

          B.  PartnersGP
              (a)   Amount beneficially owned:  4,654,028 shares of Common Stock
                    and options to purchase 3,990,000 shares of Common Stock
              (b)   Percent of class: 1.99%*
              (c)   Number of shares as to which the person has:
                    (i)   Sole power to vote or to direct the vote:
                          0
                    (ii)  Shared power to vote or to direct the vote:
                          4,654,028 shares of Common Stock and options to
                          purchase 3,990,000 shares of Common Stock
                    (iii) Sole power to dispose or to direct the disposition of:
                          0
                    (iv)  Shared power to dispose or to direct the disposition
                          of: 4,654,028 shares of Common Stock and options to
                          purchase 3,990,000 shares of Common Stock





-------------------                                          -------------------
CUSIP NO. 460146103                   13G                    Page 12 of 18 Pages
-------------------                                          -------------------


          C.  GPLLC
              (a)   Amount beneficially owned:  12,247,442 shares of Common
                    Stock and options to purchase 10,500,000 shares of Common
                    Stock
              (b)   Percent of class: 5.25%*
              (c)   Number of shares as to which the person has:
                    (i)   Sole power to vote or to direct the vote:
                          0
                    (ii)  Shared power to vote or to direct the vote:
                          12,247,442 shares of Common Stock and options to
                          purchase 10,500,000 shares of Common Stock
                    (iii) Sole power to dispose or to direct the disposition of:
                          0
                    (iv)  Shared power to dispose or to direct the disposition
                          of: 12,247,442 shares of Common Stock and options to
                          purchase 10,500,000 shares of Common Stock
          D.  TPG-Axon Domestic
              (a)   Amount beneficially owned: 4,654,028 shares of Common Stock
                    and options to purchase 3,990,000 shares of Common Stock
              (b)   Percent of class: 1.99%*
              (c)   Number of shares as to which the person has:
                    (i)   Sole power to vote or to direct the vote:
                          0
                    (ii)  Shared power to vote or to direct the vote:
                          4,654,028 shares of Common Stock and options to
                          purchase 3,990,000 shares of Common Stock
                    (iii) Sole power to dispose or to direct the disposition of:
                          0
                    (iv)  Shared power to dispose or to direct the disposition
                          of: 4,654,028 shares of Common Stock and options to
                          purchase 3,990,000 shares of Common Stock
          E.  TPG-Axon Offshore
              (a)   Amount beneficially owned:  7,593,414 shares of Common Stock
                    and options to purchase 6,510,000 shares of Common Stock
              (b)   Percent of class: 3.26%*
              (c)   Number of shares as to which the person has:
                    (i)   Sole power to vote or to direct the vote:
                          0
                    (ii)  Shared power to vote or to direct the vote:
                          7,593,414 shares of Common Stock and options to
                          purchase 6,510,000 shares of Common Stock
                    (iii) Sole power to dispose or to direct the disposition of:
                          0
                    (iv)  Shared power to dispose or to direct the disposition
                          of: 7,593,414 shares of Common Stock and options to
                          purchase 6,510,000 shares of Common Stock
          F.  Singh LLC
              (a)   Amount beneficially owned:  12,247,442 shares of Common
                    Stock and options to purchase 10,500,000 shares of Common
                    Stock
              (b)   Percent of class: 5.25%*





-------------------                                          -------------------
CUSIP NO. 460146103                   13G                    Page 13 of 18 Pages
-------------------                                          -------------------

              (c)   Number of shares as to which the person has:
                    (i)   Sole power to vote or to direct the vote:
                          0
                    (ii)  Shared power to vote or to direct the vote:
                          12,247,442 shares of Common Stock and options to
                          purchase 10,500,000 shares of Common Stock
                    (iii) Sole power to dispose or to direct the disposition of:
                          0
                    (iv)  Shared power to dispose or to direct the disposition
                          of: 12,247,442 shares of Common Stock and options to
                          purchase 10,500,000 shares of Common Stock

          G.  Mr. Singh
              (a)   Amount beneficially owned:  12,247,442 shares of Common
                    Stock and options to purchase 10,500,000 shares of Common
                    Stock
              (b)   Percent of class: 5.25%*
              (c)   Number of shares as to which the person has:
                    (i)   Sole power to vote or to direct the vote:
                          0
                    (ii)  Shared power to vote or to direct the vote:
                          12,247,442 shares of Common Stock and options to
                          purchase 10,500,000 shares of Common Stock
                    (iii) Sole power to dispose or to direct the disposition of:
                          0
                    (iv)  Shared power to dispose or to direct the disposition
                          of: 12,247,424 shares of Common Stock and options to
                          purchase 10,500,000 shares of Common Stock


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 5 percent of the class of
securities, check the following [ ].

      Not applicable.

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

      See Item 4.

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

      Not applicable.

ITEM 8.   IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

      Not applicable

ITEM 9.   NOTICE OF DISSOLUTION OF THE GROUP

      Not applicable





-------------------                                          -------------------
CUSIP NO. 460146103                   13G                    Page 14 of 18 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.


Dated:  February 22, 2010


                               TPG-Axon Capital Management, LP
                               By:  TPG-Axon GP, LLC, general partner


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    President


                               TPG-Axon Partners GP, LP
                               By: TPG-Axon GP, LLC, general partner


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    President


                               TPG-Axon GP, LLC


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    President





-------------------                                          -------------------
CUSIP NO. 460146103                   13G                    Page 15 of 18 Pages
-------------------                                          -------------------


                               TPG-Axon Partners, LP
                               By:  TPG-Axon Partners GP, LP, general partner
                               By:  TPG-Axon GP, LLC, general partner


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    President


                               TPG-Axon Partners (Offshore), Ltd.


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    Director


                               Dinakar Singh LLC


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    Managing Member


                               /s/  Dinakar Singh
                               ---------------------------
                                    Dinakar Singh






-------------------                                          -------------------
CUSIP NO. 460146103                   13G                    Page 16 of 18 Pages
-------------------                                          -------------------



                                LIST OF EXHIBITS
                                 TO SCHEDULE 13G

                                                                            Page
                                                                            ----

1. Agreement to Make Joint Filing .........................................  17












-------------------                                          -------------------
CUSIP NO. 460146103                   13G                    Page 17 of 18 Pages
-------------------                                          -------------------


                                    EXHIBIT 1

                         AGREEMENT TO MAKE JOINT FILING



         Each of the undersigned acknowledges and agrees 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 filing agreements.


Dated:  February 22, 2010


                               TPG-Axon Capital Management, LP
                               By:  TPG-Axon GP, LLC, general partner


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    President


                               TPG-Axon Partners GP, LP
                               By: TPG-Axon GP, LLC, general partner


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    President


                               TPG-Axon GP, LLC


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    President





-------------------                                          -------------------
CUSIP NO. 460146103                   13G                    Page 18 of 18 Pages
-------------------                                          -------------------

                               TPG-Axon Partners, LP
                               By:  TPG-Axon Partners GP, LP, general partner
                               By:  TPG-Axon GP, LLC, general partner


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    President


                               TPG-Axon Partners (Offshore), Ltd.


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    Director


                               Dinakar Singh LLC


                               By:  /s/  Dinakar Singh
                                    ----------------------
                                    Dinakar Singh
                                    Managing Member


                               /s/  Dinakar Singh
                               ---------------------------
                                    Dinakar Singh