MARTINSRIED/MUNICH, Germany & PRINCETON, N.J.--(BUSINESS WIRE)--GPC Biotech AG (Frankfurt Stock Exchange: GPC; NASDAQ: GPCB) today announced that the Company will hold a conference call on May 15, 2008 at 2 PM CET/8 AM ET to discuss its financial results for the first quarter of 2008 and provide an update on the Company’s business. The results will be published on May 15 in advance of the conference call.