UNION CITY, Calif.--(BUSINESS WIRE)--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.