ALISO VIEJO, Calif., April 23 /PRNewswire-FirstCall/ -- Valeant Pharmaceuticals International (NYSE:VRX - News) today announced that it will host a conference call and a live Internet webcast along with a slide presentation on Monday, May 3, 2010 at 11:00 a.m. EDT (8:00 a.m. PDT) to discuss results for the 2010 first quarter.