ANAHEIM, Calif., April 15, 2013 /PRNewswire/ -- Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today announced that it will release first quarter 2013 financial results on Tuesday, April 30, 2013 after the close of the U.S. financial markets. The Company will host a conference call and slide presentation via webcast on Tuesday, April 30, 2013 at 4:30 p.m. Eastern / 1:30 p.m. Pacific to discuss results and highlights of the quarter, as well as current corporate developments.