William T. McKee Joins Board of Auxilium Pharmaceuticals, Inc.

MALVERN, PA--(Marketwire - March 20, 2009) - Auxilium Pharmaceuticals, Inc. (NASDAQ: AUXL), a specialty biopharmaceutical company, today announced that William T. McKee has joined its Board of Directors as an independent director and as a member of the Board's Audit and Compliance Committee.

"Bill brings a wealth of experience to our Board, particularly with respect to his financial and pharmaceutical industry expertise," said Armando Anido, Chief Executive Officer and President of Auxilium. "We look forward to benefiting from his expertise."

Mr. McKee is the Executive Vice President and Chief Financial Officer of Barr Pharmaceuticals, LLC, a subsidiary of Teva Pharmaceutical Industries Limited ("Teva") and the successor entity to Barr Pharmaceuticals, Inc. ("Barr"), a NYSE listed company which was acquired by Teva on December 23, 2008. Mr. McKee was also Executive Vice President and Chief Financial Officer of Barr prior to its acquisition by Teva, after having served in positions of increasing responsibility at Barr from 1995 until its acquisition. Prior to joining Barr, Mr. McKee served as Director of International Operations and Vice President-Finance at Absolute Entertainment, Inc. from June 1993 until December 1994. From 1990 until June 1993, Mr. McKee worked at Gramkow & Carnevale, CPA's, and from 1983 until 1990, he worked at Deloitte & Touche. Mr. McKee received a Bachelor of Business Administration from the University of Notre Dame.

About Auxilium

Auxilium Pharmaceuticals, Inc. is a specialty biopharmaceutical company with a focus on developing and marketing to urologists, endocrinologists, orthopedists and select primary care physicians. Auxilium markets Testim® 1%, a topical testosterone gel, for the treatment of hypogonadism through its approximately 190-person sales and marketing team. Auxilium has five projects in clinical development. XIAFLEX™ (clostridial collagenase for injection), formerly referred to as AA4500, has completed phase III clinical trials for the treatment of Dupuytren's contracture, is in phase IIb 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's transmucosal film product candidate for the treatment of overactive bladder (AA4010) is in phase I of development. Auxilium also has one pain product (fentanyl) using its transmucosal film delivery system in phase I of development. Auxilium has rights to additional pain products and products for hormone replacement and urologic disease using its transmucosal film delivery system. The Company is currently seeking a partner to further develop these transmucosal film product candidates. Auxilium also has options to all indications using XIAFLEX for non-topical formulations. For additional information, visit http://www.auxilium.com.

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 Mr. McKee's contribution to the Company, and products in development for the treatment of Dupuytren's contracture, Peyronie's disease and Frozen Shoulder Syndrome and for pain, hormone replacement and urologic disease. All statements other than statements of historical facts contained in this release, including but not limited to, statements regarding future expectations, plans and prospects for the Company, statements regarding forward-looking financial information and other statements containing the words "believe," "may," "could," "will," "estimate," "continue," "anticipate," "intend," "should," "plan," "expect," and similar expressions, as they relate to the Company, constitute forward-looking statements. Actual results may differ materially from those reflected in these forward-looking statements due to various factors, including further evaluation of clinical data, results of clinical trials, decisions by regulatory authorities as to whether and when to approve drug applications, and general financial, economic, regulatory and political conditions affecting the biotechnology and pharmaceutical industries and those discussed in Auxilium's Annual Report on Form 10-K for the year ended December 31, 2008 under the heading "Risk Factors," which is on file with the Securities and Exchange Commission (the "SEC") and may be accessed electronically by means of the SEC's home page on the Internet at http://www.sec.gov or by means of Auxilium's home page on the Internet at http://www.Auxilium.com under the heading "Investor Relations -- SEC Filings." There may be additional risks that Auxilium does not presently know or that Auxilium currently believes are immaterial which could also cause actual results to differ from those contained in the forward-looking statements. Given these risks and uncertainties, any or all of these forward-looking statements may prove to be incorrect. Therefore, you should not rely on any such factors or forward-looking statements.

In addition, forward-looking statements provide the Company's expectations, plans or forecasts of future events and views as of the date of this release. The Company anticipates that subsequent events and developments will cause the Company's assessments to change. However, while the Company may elect to update these forward-looking statements at some point in the future, the Company specifically disclaims any obligation to do so. These forward-looking statements should not be relied upon as representing the Company's assessments as of any date subsequent to the date of this release.

Contact Information: CONTACT: James E. Fickenscher Chief Financial Officer Auxilium Pharmaceuticals, Inc. +1-484-321-5900 or William Q. Sargent Jr. Vice-President, Investor Relations and Corporate Communications Auxilium Pharmaceuticals, Inc. +1-484-321-5900