SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
----------
SCHEDULE 13G/A
UNDER THE SECURITIES EXCHANGE ACT OF 1934
AMENDMENT NO. 1
Helix Energy Solutions Group, Inc.
------------------------------
(Name of Issuer)
COMMON STOCK (NO PAR VALUE)
-----------------------------------------
(Title of Class of Securities)
42330P107
--------------
(CUSIP Number)
December 31, 2007
------------------------------------
(Date of Event Which Requires Filing
of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
|_| Rule 13d-1(b)
|X| Rule 13d-1(c)
|_| Rule 13d-1(d)
The 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. 42330P107 13G/A 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
-0-
---------------------------------------------------------
OWNED BY 7 SOLE DISPOSITIVE POWER
EACH
-0-
REPORTING
---------------------------------------------------------
PERSON 8 SHARED DISPOSITIVE POWER
WITH -0-
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
-0-
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
OO
--------------------------------------------------------------------------------
------------------- ------------------
CUSIP NO. 42330P107 13G/A 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
-0-
---------------------------------------------------------
OWNED BY 7 SOLE DISPOSITIVE POWER
EACH
-0-
REPORTING
---------------------------------------------------------
PERSON 8 SHARED DISPOSITIVE POWER
WITH -0-
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,834,996
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
PN
--------------------------------------------------------------------------------
------------------- ------------------
CUSIP NO. 42330P107 13G/A 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
-0-
---------------------------------------------------------
OWNED BY 7 SOLE DISPOSITIVE POWER
EACH
-0-
REPORTING
---------------------------------------------------------
PERSON 8 SHARED DISPOSITIVE POWER
WITH -0-
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
-0-
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
PN
--------------------------------------------------------------------------------
------------------- ------------------
CUSIP NO. 42330P107 13G/A 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
-0-
---------------------------------------------------------
OWNED BY 7 SOLE DISPOSITIVE POWER
EACH
-0-
REPORTING
---------------------------------------------------------
PERSON 8 SHARED DISPOSITIVE POWER
WITH -0-
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
-0-
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
IA
--------------------------------------------------------------------------------
------------------- ------------------
CUSIP NO. 42330P107 13G/A 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
3,665,004
---------------------------------------------------------
OWNED BY 7 SOLE DISPOSITIVE POWER
EACH
-0-
REPORTING
---------------------------------------------------------
PERSON 8 SHARED DISPOSITIVE POWER
WITH -0-
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,665,004
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
OO
--------------------------------------------------------------------------------
------------------- ------------------
CUSIP NO. 42330P107 13G/A 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
-0-
---------------------------------------------------------
OWNED BY 7 SOLE DISPOSITIVE POWER
EACH
-0-
REPORTING
---------------------------------------------------------
PERSON 8 SHARED DISPOSITIVE POWER
WITH -0-
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
-0-
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
OO
--------------------------------------------------------------------------------
------------------- ------------------
CUSIP NO. 42330P107 13G/A 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
-0-
---------------------------------------------------------
OWNED BY 7 SOLE DISPOSITIVE POWER
EACH
-0-
REPORTING
---------------------------------------------------------
PERSON 8 SHARED DISPOSITIVE POWER
WITH -0-
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
-0-
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
IN
--------------------------------------------------------------------------------
------------------- ------------------
CUSIP NO. 42330P107 13G/A Page 9 of 18 Pages
------------------- ------------------
The Schedule 13G initially filed on July 16, 2007, is hereby amended and
restated by this Amendment No. 1 to the Schedule 13G.
ITEM 1.
(a) NAME OF ISSUER: Helix Energy Solutions Group, Inc.
(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
400 N. Sam Houston Parkway E. Suite 400
Houston, Texas 77060
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/A 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/A
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/A 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/A directly held by it.
(v) TPG-Axon Offshore, a Cayman Islands exempted company, with respect
to the Shares reported in this Schedule 13G/A 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/A 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/A managed by TPG-Axon Management and held by the
Funds.
------------------- ------------------
CUSIP NO. 42330P107 13G/A 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 (NO PAR VALUE)
(e) CUSIP Number: 42330P107
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. 42330P107 13G/A 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. Mr. Singh and Eric Mandelblatt ("Mr. Mandelblatt") are
Co-Chief Executive Officers of TPG-Axon Management.
Each of Singh LLC, GPLLC, PartnersGP, Mr. Singh and Mr. Mandelblatt
disclaims beneficial ownership of all of the Shares of Common Stock reported in
this 13G/A.
A. TPG-Axon Management
(a) Amount beneficially owned: -0-
(b) Percent of class: 0%
(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:
-0-
(iii) Sole power to dispose or to direct the disposition of:
-0-
(iv) Shared power to dispose or to direct the disposition of:
-0-
B. PartnersGP
(a) Amount beneficially owned: -0-
(b) Percent of class: 0%
(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: -0-
(iii) Sole power to dispose or to direct the disposition of:
-0-
(iv) Shared power to dispose or to direct the disposition of:
-0-
------------------- -------------------
CUSIP NO. 42330P107 13G/A Page 12 of 18 Pages
------------------- -------------------
C. GPLLC
(a) Amount beneficially owned: -0-
(b) Percent of class: 0%
(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:
-0-
(iii) Sole power to dispose or to direct the disposition of:
-0-
(iv) Shared power to dispose or to direct the disposition of:
-0-
D. TPG-Axon Domestic
(a) Amount beneficially owned: -0-
(b) Percent of class: 0%
(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:
-0-
(iii) Sole power to dispose or to direct the disposition of:
-0-
(iv) Shared power to dispose or to direct the disposition of:
-0-
E. TPG-Axon Offshore
(a) Amount beneficially owned: -0-
(b) Percent of class: 0%
(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:
-0-
(iii) Sole power to dispose or to direct the disposition of:
-0-
(iv) Shared power to dispose or to direct the disposition of:
-0-
F. Singh LLC
(a) Amount beneficially owned: -0-
(b) Percent of class: 0%
(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:
-0-
(iii) Sole power to dispose or to direct the disposition of:
-0-
(iv) Shared power to dispose or to direct the disposition of:
-0-
------------------- -------------------
CUSIP NO. 42330P107 13G/A Page 13 of 18 Pages
------------------- -------------------
G. Mr. Singh
(a) Amount beneficially owned: -0-
(b) Percent of class: 0%
(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:
-0-
(iii) Sole power to dispose or to direct the disposition of:
-0-
(iv) Shared power to dispose or to direct the disposition of:
-0-
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 five percent of the class of securities, check the following |X|.
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 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
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.
------------------- -------------------
CUSIP NO. 42330P107 13G/A Page 14 of 18 Pages
------------------- -------------------
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 13, 2008
TPG-Axon Capital Management, LP
By: TPG-Axon GP, LLC, general partner
By: /s/ Dinakar Singh
----------------------
Dinakar Singh
Co-President
TPG-Axon Partners GP, LP
By: TPG-Axon GP, LLC, general partner
By: /s/ Dinakar Singh
----------------------
Dinakar Singh
Co-President
TPG-Axon GP, LLC
By: /s/ Dinakar Singh
----------------------
Dinakar Singh
Co-President
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
Co-President
------------------- -------------------
CUSIP NO. 42330P107 13G/A Page 15 of 18 Pages
------------------- -------------------
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. 42330P107 13G/A Page 16 of 18 Pages
------------------- -------------------
LIST OF EXHIBITS
TO SCHEDULE 13G/A
Page
----
1. Agreement to Make Joint Filing ......................................... 17
------------------- -------------------
CUSIP NO. 42330P107 13G/A 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/A is filed on behalf of each of the undersigned and
that all subsequent amendments to this statement on Schedule 13G/A shall be
filed on behalf of each of the undersigned without the necessity of filing
additional joint filing agreements.
Dated: February 13, 2008
TPG-Axon Capital Management, LP
By: TPG-Axon GP, LLC, general partner
By: /s/ Dinakar Singh
----------------------
Dinakar Singh
Co-President
TPG-Axon Partners GP, LP
By: TPG-Axon GP, LLC, general partner
By: /s/ Dinakar Singh
----------------------
Dinakar Singh
Co-President
TPG-Axon GP, LLC
By: /s/ Dinakar Singh
----------------------
Dinakar Singh
Co-President
------------------- -------------------
CUSIP NO. 42330P107 13G/A 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
Co-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