Transaction
Valuation*
|
Amount
of Filing Fee**
|
$250,050,000
|
$17,829
|
*
|
Calculated
solely for purpose of determining the amount of the filing fee pursuant to
and based upon a purchase of $1,000 per $1,000 amount of Enzon's 4%
Convertible Senior Notes due 2013. The amount of the filing
fee, $71.30 for each $1,000,000 of value, was calculated in accordance
with Rule 0-11 of the Securities Exchange Act of 1934, as
amended.
|
**
|
Previously
Paid.
|
o |
Check
the box if any part of the fee is offset as provided by Rule 0-11(a)(2)
and identify the filing with which the offsetting fee was previously paid.
Identify the previous filing by registration statement number, or the Form
or Schedule and the date of its
filing.
|
Amount
Previously Paid:
|
None
|
Filing
Party:
|
Not
applicable
|
|
Form
or Registration No.:
|
Not
applicable
|
Date
Filed:
|
Not
applicable
|
o |
Check
the box if the filing relates solely to preliminary communications made
before the commencement of a tender
offer.
|
o |
third-party
tender offer subject to Rule 14d-1.
|
x |
issuer
tender offer subject to Rule 13e-4.
|
o |
going-private
transaction subject to Rule 13e-3.
|
o |
amendment
to Schedule 13D under Rule 13d-2.
|
o |
Rule
13-4(i) (Cross-Border Issuer Tender Offer)
|
o |
Rule
14d-1(d) (Cross-Border Third-Party Tender
Offer)
|
(a)(1)(A)*
|
Offer
to Purchase, dated February 5, 2010.
|
(b)
|
Not
applicable.
|
(d)(1)
|
Indenture,
dated as of May 23, 2006, between Enzon Pharmaceuticals, Inc. and
Wilmington Trust Company, as trustee (filed as Exhibit 4.1 to Enzon's Form
8-K filed on May 25, 2006 and incorporated herein by
reference).
|
(d)(2)
|
First
Supplemental Indenture, dated as of August 25, 2008, between Enzon
Pharmaceuticals, Inc. and Wilmington Trust Company, as trustee (filed as
Exhibit 4.1 to Enzon's Form 8-K filed on August 25, 2008 and incorporated
herein by reference).
|
(d)(3)
|
Rights
Agreement, dated May 17, 2002, between Enzon Pharmaceuticals, Inc. and
Continental Stock Transfer & Trust Company, as rights agent (filed as
Exhibit 1 to Enzon's Form 8-A12G filed on May 22, 2002 and incorporated
herein by reference).
|
(d)(4)
|
First
Amendment to the Rights Agreement, dated as of February 19, 2003, between
Enzon Pharmaceuticals, Inc. and Continental Stock Transfer & Trust
Company, as rights agent (filed as Exhibit 2 to Enzon's Form 8-A12G/A
filed on February 20, 2003 and incorporated herein by
reference).
|
(d)(5)
|
Second
Amendment to the Rights Agreement, dated as of January 7, 2008, between
Enzon Pharmaceuticals, Inc. and Continental Stock Transfer & Trust
Company, as rights agent (filed as Exhibit 6 to Enzon's Form 8-A12G/A
filed on January 8, 2008 and incorporated herein by
reference).
|
(d)(6)
|
Third
Amendment to the Rights Agreement, dated as of July 23, 2009, between
Enzon Pharmaceuticals, Inc. and Continental Stock Transfer & Trust
Company, as rights agent (filed as Exhibit 4.1 to Enzon's Form 8-K filed
on July 24, 2009 and incorporated herein by reference).
|
(d)(7)
|
2001
Incentive Stock Plan, as amended and restated, of Enzon Pharmaceuticals,
Inc. (filed as Exhibit 10.1 to Enzon's Form 8-K filed on May 19, 2006 and
|
incorporated herein by reference). | |
(d)(8)
|
2007
Employee Stock Purchase Plan (filed as Exhibit 10.1 to Enzon's Form S-8
filed on January 29, 2007 and incorporated herein by
reference).
|
(d)(9)
|
2007
Outside Director Compensation Plan, as amended (filed as Exhibit 10.1 to
Enzon's Quarterly Report on Form 10-Q for the quarter ended June 30, 2007
filed on August 2, 2007 and incorporated herein by
reference).
|
(g)
|
Not
applicable.
|
(h)
|
Not
applicable.
|
ENZON
PHARMACEUTICALS, INC.
|
|||
By:
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/s/
Craig A. Tooman
|
||
Name:
|
Craig
A. Tooman
|
||
Title:
|
Executive
Vice President, Finance and
|
||
Chief
Financial Officer
|
(a)(1)(A)*
|
Offer
to Purchase, dated February 5, 2010.
|
(b)
|
Not
applicable.
|
(d)(1)
|
Indenture,
dated as of May 23, 2006, between Enzon Pharmaceuticals, Inc. and
Wilmington Trust Company, as trustee (filed as Exhibit 4.1 to Enzon's Form
8-K filed on May 25, 2006 and incorporated herein by
reference).
|
(d)(2)
|
First
Supplemental Indenture, dated as of August 25, 2008, between Enzon
Pharmaceuticals, Inc. and Wilmington Trust Company, as trustee (filed as
Exhibit 4.1 to Enzon's Form 8-K filed on August 25, 2008 and incorporated
herein by reference).
|
(d)(3)
|
Rights
Agreement, dated May 17, 2002, between Enzon Pharmaceuticals, Inc. and
Continental Stock Transfer & Trust Company, as rights agent (filed as
Exhibit 1 to Enzon's Form 8-A12G filed on May 22, 2002 and incorporated
herein by reference).
|
(d)(4)
|
First
Amendment to the Rights Agreement, dated as of February 19, 2003, between
Enzon Pharmaceuticals, Inc. and Continental Stock Transfer & Trust
Company, as rights agent (filed as Exhibit 2 to Enzon's Form 8-A12G/A
filed on February 20, 2003 and incorporated herein by
reference).
|
(d)(5)
|
Second
Amendment to the Rights Agreement, dated as of January 7, 2008, between
Enzon Pharmaceuticals, Inc. and Continental Stock Transfer & Trust
Company, as rights agent (filed as Exhibit 6 to Enzon's Form 8-A12G/A
filed on January 8, 2008 and incorporated herein by
reference).
|
(d)(6)
|
Third
Amendment to the Rights Agreement, dated as of July 23, 2009, between
Enzon Pharmaceuticals, Inc. and Continental Stock Transfer & Trust
Company, as rights agent (filed as Exhibit 4.1 to Enzon's Form 8-K filed
on July 24, 2009 and incorporated herein by reference).
|
(d)(7)
|
2001
Incentive Stock Plan, as amended and restated, of Enzon Pharmaceuticals,
Inc. (filed as Exhibit 10.1 to Enzon's Form 8-K filed on May 19, 2006 and
incorporated herein by reference).
|
(d)(8)
|
2007
Employee Stock Purchase Plan (filed as Exhibit 10.1 to Enzon's Form S-8
filed on January 29, 2007 and incorporated herein by
reference).
|
(d)(9)
|
2007
Outside Director Compensation Plan, as amended (filed as Exhibit 10.1 to
Enzon's Quarterly Report on Form 10-Q for the quarter ended June 30, 2007
filed on August 2, 2007 and incorporated herein by
reference).
|
(g)
|
Not
applicable.
|
(h)
|
Not
applicable.
|