On February 6, 2013, the Board of Directors (the "Board") of the Company approved an amendment to the Company's Second Amended and Restated By-Laws (the "By-Laws") that will become effective on February 15, 2013. Upon effectiveness of this amendment, in order to bring business before, or nominate candidates for election to the Board at, the 2013 Annual Meeting, a stockholder will be required to deliver notice to the Company as required by the By-Laws not earlier than the date on which public disclosure of the date of the 2013 Annual Meeting is made nor later than the 10th day after the date of such public disclosure.

The foregoing description does not purport to be complete and is qualified in its entirety by reference to the complete text of the amendment to the By-Laws, a copy of which is attached as Exhibit 3.1 to this Current Report on Form 8-K and is incorporated herein by reference.

(d) Exhibits

Exhibit
No.       Description
3.1       Amendment No. 1 to the Second Amended and Restated By-Laws of Enzon
          Pharmaceuticals, Inc. (effective February 15, 2013)
10.1      General Severance Agreement, dated as of February 12, 2013, by and
          between Timothy G. Daly and Enzon Pharmaceuticals, Inc.