Questcor to Present at Roth Capital Partners 2007 Conference.

UNION CITY, Calif. -- Eric Liebler, Senior Vice President, Strategic Planning and Communications, of Questcor Pharmaceuticals, Inc. (AMEX:QSC) will give a presentation to investors at the Roth Capital Partners 19th Annual OC Conference in Laguna Niguel, CA. The conference will be held at The Ritz Carlton on February 19-22, 2007. Mr. Liebler will make his presentation on Wednesday, February 21, 2007 at 4:30 p.m. Pacific time.

This presentation will be webcast and is accessible live and archived for a 90-day period via the following link, http://www.wsw.com/webcast/roth9/qsc/ or by visiting Questcor's website, where the presentation will be archived for up to two weeks following the event, at www.questcor.com.

About Questcor - Questcor Pharmaceuticals, Inc.([R]) (AMEX:QSC) is a specialty pharmaceutical company that develops and commercializes novel therapeutics for the treatment of neurological disorders. Questcor currently markets H.P. Acthar([R]) Gel (repository corticotropin injection), an injectable drug indicated for the treatment of exacerbations associated with multiple sclerosis and Doral([R]) (quazepam) that is indicated for the treatment of insomnia characterized by difficulty in falling asleep, frequent nocturnal awakenings, and/or early morning awakenings. For more information, please visit www.questcor.com.