Auxilium Pharmaceuticals to Announce First Quarter 2011 Results and Conduct Conference Call on Monday, May 9, 2011

MALVERN, Pa., April 25, 2011 /PRNewswire via COMTEX/ -- Auxilium Pharmaceuticals, Inc. (NASDAQ: AUXL), a specialty biopharmaceutical company, will release results for the first quarter 2011 on Monday, May 9, 2011 before the opening of the U.S. financial markets. The Company will also conduct a conference call that day at 10:00 a.m. ET to discuss results and highlights of the first quarter 2011. The presentation slides to be used during the call will be available on the "For Investors" section of the Company's web site under the "Presentations" tab beginning at 7 a.m. ET on Monday, May 9, 2011. A web cast of the conference call and the presentation slides will be available on the "For Investors" section of the Company's web site under the "Events" tab beginning at 10:00 a.m. ET on Monday, May 9, 2011. A question and answer session will follow the presentation.

Mr. Armando Anido, Chief Executive Officer and President, will host the conference call.

Conference call details:
Date: Monday, May 9, 2011
Time: 10:00 a.m. ET
Dial-in (U.S.): 866-314-4483
Dial-in (International): 617-213-8049
Web cast: http://www.auxilium.com
Passcode: AUXILIUM

To access an audio replay of the call:
Access number (U.S.): 888-286-8010
Access number (International): 617-801-6888
Replay Passcode #: 77302853

About Auxilium
Auxilium Pharmaceuticals, Inc. is a specialty biopharmaceutical company with a focus on developing and marketing products to predominantly specialist audiences, such as urologists, endocrinologists, certain targeted primary care physicians, hand surgeons, subsets of orthopedic, general, and plastic surgeons who focus on the hand, and rheumatologists. Auxilium markets XIAFLEX(R) (collagenase clostridium histolyticum) for the treatment of adult Dupuytren's contracture patients with a palpable cord and Testim(R) 1%, a testosterone gel, for the topical treatment of hypogonadism in the U.S. Pfizer Inc. has marketing rights for XIAPEX(R) (the EU tradename for collagenase clostridium histolyticum) in 46 countries in Eurasia and Asahi Kasei Pharma Corporation has development and commercial rights for XIAFLEX in Japan. Ferring International Center S.A. markets Testim in the EU and Paladin Labs Inc. markets Testim in Canada. Auxilium has two projects in clinical development. XIAFLEX is in phase III of development for the treatment of Peyronie's disease and is in phase II of development for treatment of Frozen Shoulder syndrome (Adhesive Capsulitis). Auxilium also has rights to pursue additional indications for XIAFLEX. For additional information, visit http://www.auxilium.com.

AUXILIUM SAFE HARBOR STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995
This release contains "forward-looking-statements" within the meaning of The Private Securities Litigation Reform Act of 1995, including statements regarding the Company's intention to announce the first quarter 2011 results; and the potential for XIAFLEX to be used in multiple indications.

Forward-looking statements often address Auxilium's expected future financial position or business strategy and plans and objectives of management for future operations. Forward-looking statements provide Auxilium's current expectations or forecasts of future events. Auxilium's performance and financial results could differ materially from those reflected in these forward-looking statements due to various risks and uncertainties.

A more detailed list and description of the risks and uncertainties that Auxilium faces may be found under the heading "Risk Factors" in Auxilium's Annual Report on Form 10-K for the year ended December 31, 2010, which is on file with the Securities and Exchange Commission. Given these risks and uncertainties, any or all of the forward-looking statements contained in this release may prove to be incorrect. Therefore, you should not rely on any such factors or forward-looking statements. Auxilium undertakes no obligation to update publicly any forward-looking statement.

Contacts
James E. Fickenscher/CFO
Auxilium Pharmaceuticals, Inc.
(484) 321-5900
jfickenscher@auxilium.com

William Q. Sargent Jr./ VP IR
Auxilium Pharmaceuticals, Inc.
(484) 321-5900
wsargent@auxilium.com