PRINCETON, N.J.--(BUSINESS WIRE)--PharmaNet Development Group, Inc. (the “Company”) (NASDAQ: PDGI), a leading provider of clinical development services, today announced that it will release its first quarter 2008 financial results on Thursday, May 1, 2008, before the market opens. Following the pre-market release, the Company plans to host a conference call and webcast to review these results at 8:30 am Eastern Time.