EX-99 2 joint_filer.txt JOINT FILER INFORMATION Joint Filer Information Name: Highbridge International LLC Address: The Cayman Corporate Centre, 4th Floor 27 Hospital Road George Town, Grand Cayman Cayman Islands, British West Indies Designated Filer: Highbridge Capital Management, LLC Issuer: Enzon Pharmaceuticals, Inc. Date of Event Requiring Statement: July 16, 2007 Signature: HIGHBRIDGE INTERNATIONAL LLC By: Highbridge Capital Management, LLC its Trading Manager By: /s/ Carolyn Rubin ----------------------------------- Name: Carolyn Rubin Title: Managing Director Joint Filer Information Name: Highbridge Convertible Arbitrage Master Fund, L.P. Address: c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Designated Filer: Highbridge Capital Management, LLC Issuer: Enzon Pharmaceuticals, Inc. Date of Event Requiring Statement: July 16, 2007 Signature: HIGHBRIDGE CONVERTIBLE ARBITRAGE MASTER FUND, L.P. By: Highbridge Capital Management, LLC its Trading Manager By: /s/ Carolyn Rubin ---------------------------------- Name: Carolyn Rubin Title: Managing Director Joint Filer Information Name: Glenn Dubin Address: c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Designated Filer: Highbridge Capital Management, LLC Issuer: Enzon Pharmaceuticals, Inc. Date of Event Requiring Statement: July 16, 2007 Signature: /s/ Glenn Dubin ---------------------------- GLENN DUBIN Joint Filer Information Name: Henry Swieca Address: c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Designated Filer: Highbridge Capital Management, LLC Issuer: Enzon Pharmaceuticals, Inc. Date of Event Requiring Statement: July 16, 2007 Signature: /s/ Henry Swieca ------------------------------ HENRY SWIECA