Enzon to Present at NewsMakers in the Biotech Industry Conference

BRIDGEWATER, N.J., September 10, 2009 -- Enzon Pharmaceuticals, Inc. (Nasdaq: ENZN) announced today that Jeffrey H. Buchalter, the Company’s chief executive officer, will present at the upcoming Newsmakers in the Biotech Industry Conference on September 16, 2009 in New York City, New York. Enzon’s presentation will take place at 1:30 p.m. ET.

Enzon Pharmaceuticals, Inc. is a biopharmaceutical company dedicated to the development, manufacturing, commercialization of important medicines for patients with cancer and other life-threatening conditions. Enzon has a portfolio of four marketed products, Oncaspar®, DepoCyt®, Abelcet® and Adagen®. The Company's drug development programs utilize several cutting-edge approaches, including its industry-leading PEGylation technology platform used to create product candidates with benefits such as reduced dosing frequency and less toxicity. Enzon's PEGylation technology was used to develop two of its products, Oncaspar and Adagen, and has created a royalty revenue stream from licensing partnerships for other products developed using the technology. Enzon also engages in contract manufacturing for several pharmaceutical companies to broaden the Company's revenue base. Further information about Enzon and this press release can be found on the Company's web site at www.enzon.com.

SOURCE: Enzon Pharmaceuticals, Inc.

Enzon Pharmaceuticals, Inc.
Craig Tooman
EVP, Finance and Chief Financial Officer
908-541-8777