Questcor to Present at Cowen and Company 28th Annual Health Care Conference.

UNION CITY, Calif. -- Questcor Pharmaceuticals, Inc. (AMEX:QSC) announced today that it will present at the Cowen and Company 28th Annual Health Care Conference on Monday, March 17, 2008, at The Boston Marriott Copley Place. Questcor's Senior Management will discuss the Company's business strategy and historical financial performance at 3:15 p.m. Eastern Time.

Attendance at the conference is by invitation only. A live audio webcast of Questcor's presentation may be accessed through the Company's website at www.questcor.com. An archived replay of the presentation will be available after the live presentation, and can also be accessed at www.questcor.com.

About Questcor - Questcor Pharmaceuticals, Inc. is a pharmaceutical company that owns two commercial products, H.P. Acthar([R]) Gel ("Acthar") and Doral([R]) , and is developing new medications using strategies that generally require lower capital investment when compared to traditional development programs. Acthar (repository corticotropin injection) is an injectable drug that is approved for the treatment of certain disorders with an inflammatory component, including the treatment of exacerbations associated with multiple sclerosis ("MS"). In addition, Acthar is not indicated for, but is used in treating patients with infantile spasms ("IS"), a rare form of refractory childhood epilepsy, and opsoclonus myoclonus syndrome, a rare autoimmune-related childhood neurological disorder. Doral is indicated for the treatment of insomnia characterized by difficulty in falling asleep, frequent nocturnal awakenings, and/or early morning awakenings. The Company is also developing new medications, including QSC-001, a unique orally disintegrating tablet formulation of hydrocodone bitartrate and acetaminophen for the treatment of moderate to moderately severe pain. For more information, please visit www.questcor.com.