GPC Biotech AG Schedules Conference Call To Discuss Results From The Satraplatin Phase 3 Trial Being Presented At The ASCO Prostate Cancer Symposium In Orlando, Florida

MARTINSRIED/MUNICH, Germany, WALTHAM, Mass. and PRINCETON, N.J., Feb. 16 /PRNewswire-FirstCall/ -- GPC Biotech AG today announced that it will hold a conference call to discuss results from the satraplatin SPARC Phase 3 trial in second- line hormone refractory prostate cancer being presented at the ASCO Prostate Cancer Symposium in Orlando, Florida. The symposium takes place February 22 - 24, 2007 and the data will be presented in a general session on Friday, February 23.

The call will be held on Friday, February 23, 2007 at 9 AM EST/15:00 CET. Participants may listen via live webcast, accessible through the GPC Biotech Web site at www.gpc-biotech.com or via telephone. A replay will be available via the Web site following the live event.

The dial-in numbers for the call are as follows: Participants from Europe: 0049 (0)69 2222 2246 or 0044 (0)20 7138 0835 Participants from the U.S.: 1-718-354-1172

GPC Biotech AG is a publicly traded biopharmaceutical company focused on discovering, developing and commercializing new anticancer drugs. GPC Biotech’s lead product candidate - satraplatin - is an oral platinum-based compound that has shown highly statistically significant results for progression-free survival in a Phase 3 registrational trial as a second-line chemotherapy treatment in hormone-refractory prostate cancer. The U.S. FDA has granted fast track designation to satraplatin for this indication, and the rolling NDA submission process for this compound has been completed. GPC Biotech is also developing a monoclonal antibody with a novel mechanism-of- action against a variety of lymphoid tumors, currently in Phase 1 clinical development, and has ongoing drug development and discovery programs that leverage its expertise in kinase inhibitors. GPC Biotech AG is headquartered in Martinsried/Munich (Germany), and its wholly owned U.S. subsidiary has sites in Waltham, Massachusetts and Princeton, New Jersey. For additional information, please visit GPC Biotech’s Web site at www.gpc-biotech.com.

This press release contains forward-looking statements, which express the current beliefs and expectations of the management of GPC Biotech AG, including summary statements relating to results of the SPARC trial and summary statements relating to the potential efficacy and safety profile of satraplatin. Such statements are based on current expectations and are subject to risks and uncertainties, many of which are beyond our control, that could cause future results, performance or achievements to differ significantly from the results, performance or achievements expressed or implied by such forward- looking statements. Actual results could differ materially depending on a number of factors, and we caution investors not to place undue reliance on the forward-looking statements contained in this press release. In particular, additional information relating to the safety, efficacy or tolerability of satraplatin may be discovered upon further analysis of data from the SPARC trial or analysis of additional data from other ongoing clinical trials for satraplatin. We cannot guarantee that satraplatin will be approved for marketing in a timely manner, if at all, by regulatory authorities nor that, if marketed, satraplatin will be a successful commercial product. We direct you to GPC Biotech’s Annual Report on Form 20-F for the fiscal year ended December 31, 2005 and other reports filed with the U.S. Securities and Exchange Commission for additional details on the important factors that may affect the future results, performance and achievements of GPC Biotech. Forward-looking statements speak only as of the date on which they are made and GPC Biotech does not undertake any obligation to update these forward- looking statements, even if new information becomes available in the future.

The scientific information discussed in this press release related to satraplatin is preliminary and investigative. Satraplatin has not yet been approved by the FDA in the U.S., the EMEA in Europe or any other regulatory authority and no conclusions can or should be drawn regarding its safety or effectiveness. Only the relevant regulatory authorities can determine whether satraplatin is safe and effective for the use(s) being investigated.

GPC Biotech AG

CONTACT: Martin Braendle, Director, Investor Relations & CorporateCommunications, +49 (0)89 8565-2693, or ir@gpc-biotech.com, or in the U.S.,Laurie Doyle, Director, Investor Relations & Corporate Communications,+1-781-890-9007 X267, or usinvestors@gpc-biotech.com, both of GPC BiotechAG

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