-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, R9cBI52zxq5/xVK5Zo/T88nMKimP0qqIhf2cXWVFCaiPEKTGyvyti0/bm6BPataT Ji4ZxH9Cy2QGlkbqdzoMMQ== 0001319244-11-000014.txt : 20110204 0001319244-11-000014.hdr.sgml : 20110204 20110204172249 ACCESSION NUMBER: 0001319244-11-000014 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20110204 DATE AS OF CHANGE: 20110204 GROUP MEMBERS: COGNIZANT HOLDINGS, LTD. GROUP MEMBERS: ICS OPPORTUNITIES, LTD. GROUP MEMBERS: ISRAEL A. ENGLANDER GROUP MEMBERS: MILLENCO LLC GROUP MEMBERS: MILLENNIUM INTERNATIONAL MANAGEMENT GP LLC GROUP MEMBERS: MILLENNIUM INTERNATIONAL MANAGEMENT LP GROUP MEMBERS: MILLENNIUM MANAGEMENT LLC SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ENZON PHARMACEUTICALS INC CENTRAL INDEX KEY: 0000727510 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 222372868 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-35587 FILM NUMBER: 11575742 BUSINESS ADDRESS: STREET 1: 685 ROUTE 202/206 CITY: BRIDGEWATER STATE: NJ ZIP: 08807 BUSINESS PHONE: 908 541 8671 MAIL ADDRESS: STREET 1: 685 ROUTE 202/206 STREET 2: ATT: GENERAL COUNSEL CITY: BRIDGEWATER STATE: NJ ZIP: 08807 FORMER COMPANY: FORMER CONFORMED NAME: ENZON PHARMACEUTICALS INC DATE OF NAME CHANGE: 20021211 FORMER COMPANY: FORMER CONFORMED NAME: ENZON PHARMACEUTICAL INC DATE OF NAME CHANGE: 20021210 FORMER COMPANY: FORMER CONFORMED NAME: ENZON INC DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: INTEGRATED CORE STRATEGIES (US) LLC CENTRAL INDEX KEY: 0001319244 IRS NUMBER: 202196675 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: C/O MILLENNIUM MANAGEMENT LLC STREET 2: 666 FIFTH AVENUE, 8TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10103 BUSINESS PHONE: (212) 841-4100 MAIL ADDRESS: STREET 1: C/O MILLENNIUM MANAGEMENT LLC STREET 2: 666 FIFTH AVENUE, 8TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10103 FORMER COMPANY: FORMER CONFORMED NAME: Springview Group LLC DATE OF NAME CHANGE: 20050228 SC 13G/A 1 enzn_sc13g-a1.htm SCHEDULE 13G

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

SCHEDULE 13G
Under the Securities Exchange Act of 1934

(Amendment No. 1)

ENZON PHARMACEUTICALS, INC.
(Name of Issuer)

COMMON STOCK, PAR VALUE $0.01 PER SHARE
(Title of Class of Securities)

293904108
(CUSIP Number)

DECEMBER 31, 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:

     o Rule 13d-1(b)

     þ Rule 13d-1(c)

     o Rule 13d-1(d)

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the notes).



                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
2
  of   
15

1
 NAMES OF REPORTING PERSONS
 
 Integrated Core Strategies (US) LLC
2
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ
3
 SEC USE ONLY
4
 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
 SOLE VOTING POWER

 -0-
6
 SHARED VOTING POWER

 -0- (See Item 4(a))
 
7
 SOLE DISPOSITIVE POWER

 -0-
 
8
 SHARED DISPOSITIVE POWER

 -0- (See Item 4(a))
9
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 -0- (See Item 4(a))
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 o
11
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.0%
12 TYPE OF REPORTING PERSON

 OO


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
3
  of   
15

1
 NAMES OF REPORTING PERSONS
 
 Millenco LLC
2
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ
3
 SEC USE ONLY
4
 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
 SOLE VOTING POWER

 -0-
6
 SHARED VOTING POWER

 131,219 (See Item 4(a))
 
7
 SOLE DISPOSITIVE POWER

 -0-
 
8
 SHARED DISPOSITIVE POWER

 131,219 (See Item 4(a))
 
9
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 131,219 (See Item 4(a))
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 o
11
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.2%
12 TYPE OF REPORTING PERSON

 
OO, BD


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
4
  of   
15

1
 NAMES OF REPORTING PERSONS
 
 Cognizant Holdings, Ltd.
2
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ
3
 SEC USE ONLY
4
 CITIZENSHIP OR PLACE OF ORGANIZATION

 Cayman Islands
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
 SOLE VOTING POWER

 -0-
6
 SHARED VOTING POWER

 5,801 (See Item 4(a))
 
7
 SOLE DISPOSITIVE POWER

 -0-
 
8
 SHARED DISPOSITIVE POWER

 5,801 (See Item 4(a))
 
9
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 5,801 (See Item 4(a))
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 o
11
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.0%
12 TYPE OF REPORTING PERSON

 
CO


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
4
  of   
15

1
 NAMES OF REPORTING PERSONS
 
 ICS Opportunities, Ltd.
2
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ
3
 SEC USE ONLY
4
 CITIZENSHIP OR PLACE OF ORGANIZATION

 Cayman Islands
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
 SOLE VOTING POWER

 -0-
6
 SHARED VOTING POWER

 74,668 (See Item 4(a))
 
7
 SOLE DISPOSITIVE POWER

 -0-
 
8
 SHARED DISPOSITIVE POWER

 74,668 (See Item 4(a))
 
9
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 74,668 (See Item 4(a))
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 o
11
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.1%
12 TYPE OF REPORTING PERSON

 
CO


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
5
  of   
15

1
 NAMES OF REPORTING PERSONS
 
 Millennium International Management LP
2
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ
3
 SEC USE ONLY
4
 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
 SOLE VOTING POWER

 -0-
6
 SHARED VOTING POWER

 80,469 (See Item 4(a))
 
7
 SOLE DISPOSITIVE POWER

 -0-
 
8
 SHARED DISPOSITIVE POWER

 80,469 (See Item 4(a))
 
9
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 80,469 (See Item 4(a))
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 o
11
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.1%
12 TYPE OF REPORTING PERSON

 
PN


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
6
  of   
15

1
 NAMES OF REPORTING PERSONS
 
 Millennium International Management GP LLC
2
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ
3
 SEC USE ONLY
4
 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
 SOLE VOTING POWER

 -0-
6
 SHARED VOTING POWER

 80,469 (See Item 4(a))
 
7
 SOLE DISPOSITIVE POWER

 -0-
 
8
 SHARED DISPOSITIVE POWER

 80,469 (See Item 4(a))
 
9
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 80,469 (See Item 4(a))
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 o
11
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.1%
12 TYPE OF REPORTING PERSON

 
OO


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
7
  of   
15

1
 NAMES OF REPORTING PERSONS
 
 Millennium Management LLC
2
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ
3
 SEC USE ONLY
4
 CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
 SOLE VOTING POWER

 -0-
6
 SHARED VOTING POWER

 211,688 (See Item 4(a))
 
7
 SOLE DISPOSITIVE POWER

 -0-
 
8
 SHARED DISPOSITIVE POWER

 211,688 (See Item 4(a))
 
9
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 211,688 (See Item 4(a))
10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 o
11
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.4%
12 TYPE OF REPORTING PERSON

 
OO


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
8
  of   
15

1
 NAMES OF REPORTING PERSONS
 
 Israel A. Englander
2
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 (a)   o
 (b)   þ
3
 SEC USE ONLY
4
 CITIZENSHIP OR PLACE OF ORGANIZATION

 United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH
5
 SOLE VOTING POWER

 -0-
6
 SHARED VOTING POWER

 211,688 (See Item 4(a))
 
7
 SOLE DISPOSITIVE POWER

 -0-
 
8
 SHARED DISPOSITIVE POWER

 211,688 (See Item 4(a))
 
9
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 211,688 (See Item 4(a))
10
 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 o
11
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 0.4%
12
 TYPE OF REPORTING PERSON

 IN

                     
CUSIP No.
 
293904108

 SCHEDULE 13G

Page  
9
  of   
15
 
Item 1.    
 
(a) Name of Issuer:
 
   
 
  Enzon Pharmaceuticals, Inc., a Delaware corporation (the "Issuer").
 
   
 
(b) Address of Issuer’s Principal Executive Offices:
 
   
 
 

685 Route 202/206
Bridgewater, New Jersey 08807

     
Item 2.
(a) Name of Person Filing:
 
(b) Address of Principal Business Office:
 
(c) Citizenship:
     
 
  Integrated Core Strategies (US) LLC
c/o Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware
 
   
 
  Millenco LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware
 
   
 
  Cognizant Holdings, Ltd.
c/o Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Cayman Islands
 
   
 
  ICS Opportunities, Ltd.
c/o Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Cayman Islands
 
   
 
  Millennium International Management LP
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware
 
   
 
  Millennium International Management GP LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware
 
   
 
  Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: Delaware
 
   
 
  Israel A. Englander
c/o Millennium Management LLC
666 Fifth Avenue
New York, New York 10103
Citizenship: United States
 
   
  (d) Title of Class of Securities:
common stock, par value $0.01 per share ("Common Stock")
 
  (e) CUSIP Number:
     
    293904108


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
10
  of   
15

Item 3.  If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a:

 
  (a)   o   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
             
 
  (b)   o   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
             
 
  (c)   o   Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
             
 
  (d)   o   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
             
 
  (e)   o   An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
             
 
  (f)   o    An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

                     
CUSIP No.
 
293904108

 SCHEDULE 13G

Page  
11
  of   
15
             
 
  (g)   o   A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);
             
 
  (h)   o   A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
             
 
  (i)   o   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)   o   Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Item 4. Ownership

   Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a) Amount Beneficially Owned

   As of the close of business on February 3, 2011:

      i) Integrated Core Strategies (US) LLC, a Delaware limited liability company ("Integrated Core Strategies"), no longer beneficially owned any shares of the Issuer’s Common Stock;

      ii) Millenco LLC, a Delaware limited liability company ("Millenco"), beneficially owned of 131,219 shares of the Issuer’s Common Stock;

      iii) Cognizant Holdings, Ltd., an exempted limited company organized under the laws of the Cayman Islands ("Cognizant Holdings"), beneficially owned of 5,801 shares of the Issuer’s Common Stock; and

      iv) ICS Opportunities, Ltd., an exempted limited company organized under the laws of the Cayman Islands ("ICS Opportunities"), beneficially owned of 74,668 shares of the Issuer’s Common Stock.

   Millennium International Management LP, a Delaware limited partnership ("Millennium International Management"), is the investment manager to Cognizant Holdings as well as ICS Opportunities, and may be deemed to have shared voting control and investment discretion over securities owned by Cognizant Holdings and ICS Opportunities.

   Millennium International Management GP LLC, a Delaware limited liability company ("Millennium International Management GP"), is the general partner of Millennium International Management, and may also be deemed to have shared voting control and investment discretion over securities owned by Cognizant Holdings and ICS Opportunities.

   The foregoing should not be construed in and of itself as an admission by Millennium International Management or Millennium International Management GP as to beneficial ownership of the securities owned by Cognizant Holdings or ICS Opportunities, as the case may be.

   Millennium Management LLC, a Delaware limited liability company ("Millennium Management"), is the manager of Millenco, and may be deemed to have shared voting control and investment discretion over securities owned by Millenco. Millennium Management is also the general partner of the 100% shareholder of Cognizant Holdings and of ICS Opportunities, and may be deemed to have shared voting control and investment discretion over securities owned by Cognizant Holdings and ICS Opportunities.

   Israel A. Englander, a United States citizen ("Mr. Englander"), is the managing member of Millennium Management and of Millennium International Management GP. Consequently, Mr. Englander may also be deemed to have shared voting control and investment discretion over securities owned by Millenco, Cognizant Holdings and ICS Opportunities.

   The foregoing should not be construed in and of itself as an admission by Millennium Management or Mr. Englander as to beneficial ownership of the securities owned by Integrated Core Strategies, Millenco or Cognizant Holdings, as the case may be.

(b) Percent of Class:   

   Millennium Management and Mr. Englander may be deemed as of the close of business on February 3, 2011 to beneficially own 211,688 shares of the Issuer’s Common Stock or 0.4% (see Item 4(a) above), which percentage was calculated based on 59,750,326 shares of Common Stock outstanding as of November 2, 2010, as per the Issuer’s Form 10-Q dated November 4, 2010.


                     
CUSIP No.
 
293904108

 SCHEDULE 13G

Page  
12
  of   
15

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

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

   -0-

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

   211,688 (See Item 4(b))

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

   -0-

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

   211,688 (See Item 4(b))

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 þ .

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

    Not applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

    Not applicable.

Item 8. Identification and Classification of Members of the Group

    See Exhibit I.

Item 9. Notice of Dissolution of Group

    Not applicable.

Item 10. Certification 

   By signing below each of the undersigned certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
13
  of   
15

Exhibits:

Exhibit I:  Joint Filing Agreement, dated as of February 3, 2011, by and among Integrated Core Strategies (US) LLC, Millenco LLC, Cognizant Holdings, Ltd., ICS Opportunities, Ltd., Millennium International Management LP, Millennium International Management GP LLC, Millennium Management LLC and Israel A. Englander.


                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
14
  of   
15
                     
     

SIGNATURE

             

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

Dated: February 3, 2011

INTEGRATED CORE STRATEGIES (US) LLC

By: Integrated Holding Group LP,
       its Managing Member

By: Millennium Management LLC,
       its General Partner

By: /s/ David Nolan

Name: David Nolan
Title:  Co-President

 

MILLENCO LLC

By: /s/ Mark Meskin

Name: Mark Meskin
Title:  Chief Executive Officer

 

COGNIZANT HOLDINGS, LTD.

By: Millennium International Management LP,
       its Investment Manager

By: /s/David Nolan

Name: David Nolan
Title:  Co-President

 

ICS OPPORTUNITIES, LTD.

By: Millennium International Management LP,
       its Investment Manager

By: /s/David Nolan

Name: David Nolan
Title:  Co-President

 

MILLENNIUM INTERNATIONAL MANAGEMENT LP

By: /s/David Nolan

Name: David Nolan
Title:  Co-President

 

MILLENNIUM INTERNATIONAL MANAGEMENT GP LLC

By: /s/David Nolan

Name: David Nolan
Title:  Executive Vice President

 

MILLENNIUM MANAGEMENT LLC

By: /s/David Nolan

Name: David Nolan
Title:  Co-President

 

/s/ Israel A. Englander by David Nolan
pursuant to Power of Attorney filed with
the SEC on June 6, 2005

Israel A. Englander



                     
CUSIP No.
 
293904108

SCHEDULE 13G

Page  
15
  of   
15
                     
      EXHIBIT I              
                     
      JOINT FILING AGREEMENT              

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

Dated: February 3, 2011

INTEGRATED CORE STRATEGIES (US) LLC

By: Integrated Holding Group LP,
       its Managing Member

By: Millennium Management LLC,
       its General Partner

By: /s/ David Nolan

Name: David Nolan
Title:  Co-President

 

MILLENCO LLC

By: /s/ Mark Meskin

Name: Mark Meskin
Title:  Chief Executive Officer

 

COGNIZANT HOLDINGS, LTD.

By: Millennium International Management LP,
       its Investment Manager

By: /s/David Nolan

Name: David Nolan
Title:  Co-President

 

ICS OPPORTUNITIES, LTD.

By: Millennium International Management LP,
       its Investment Manager

By: /s/David Nolan

Name: David Nolan
Title:  Co-President

 

MILLENNIUM INTERNATIONAL MANAGEMENT LP

By: /s/David Nolan

Name: David Nolan
Title:  Co-President

 

MILLENNIUM INTERNATIONAL MANAGEMENT GP LLC

By: /s/David Nolan

Name: David Nolan
Title:  Executive Vice President

 

MILLENNIUM MANAGEMENT LLC

By: /s/David Nolan

Name: David Nolan
Title:  Co-President

 

/s/ Israel A. Englander by David Nolan
pursuant to Power of Attorney filed with
the SEC on June 6, 2005

Israel A. Englander


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