Champions Biotechnology and Concordia Pharmaceuticals Complete Service Agreement and Begin Preclinical Evaluation of Oncology Drugs

Arlington, VA – May 06, 2008 – Champions Biotechnology, Inc. (OTC Bulletin Board: CSBR), a company engaged in the development of advanced preclinical platforms and tumor specific data to enhance the value of oncology drugs, announced today the completion of a Service Agreement with Concordia Pharmaceuticals, Inc. and initiation of preclinical studies to evaluate new applications for Salirasib using Champions Biotechnology’s Biomerk Tumorgrafts.

“Our Biomerk Tumorgraft preclinical platform and its benefits in drug discovery and evaluation is gaining recognition as we expand our platform to pharmaceutical and biotech companies” said Doug Burkett, Ph.D., President of Champions Biotechnology, Inc. “Champions is in a unique position to evaluate oncology drugs as well as novel drug combinations that may be effective in treating specific cancer types. We are pleased to be assisting Concordia Pharmaceuticals in the evaluation of new preclinical applications for Salirasib, a Ras-antagonist that acts to inhibit cancer by impairing the disease’s ability to replicate defective cells.”