PRESS RELEASE - MAY 24, 2006

Upstream Biosciences Inc. Appoints B.C. Children's Hospital's Dr. Brett Casey To Scientific Advisory Board

May 24, 2006 - Upstream Biosciences Inc. (OTCBB:UPBS) ("Upstream" or "the Company"), an emerging leader in the field of genetic diagnostics for cancer and the prediction of drug response, has announced today the appointment of Dr. Brett Casey to its scientific advisory board. Dr. Casey is the Director of the Molecular Genetics Laboratory at British Columbia's Children's Hospital.

Dr. Casey, Head of the Program in Laboratory Genetics at BC Children’s Hospital, completed residency in Anatomic and Clinical Pathology at the University of California, San Diego, and fellowships in Pediatric Pathology and Human Molecular Genetics at Baylor College of Medicine. Dr. Casey’s research interests have focused on human malformation syndromes, and his clinical expertise encompasses a broad range of applications in molecular genetics. He is a diplomate of the American Boards of Pathology and of Genetics and a Fellow of both the American and Canadian College of Medical Genetics.

"Dr. Casey brings clinical experience to our team," says Upstream CEO Joel Bellenson. "Dr. Casey's practical knowledge in molecular pathology can help Upstream discover effective diagnostic tools."

"Genetic research could have a major impact on the world of diagnostics. I look forward to working with Upstream to help them discover exciting new diagnostic markers," says Dr. Casey.

Upstream is developing diagnostic tests that may aid in the early detection of cancer by identifying individuals with disease susceptibility. Upstream is also developing diagnostic tests that may determine whether a drug will be useful or harmful to an individual patient based on their genetic profile. According to the Journal of the American Medical Association, each year 100,000 people die in the United States due to adverse reactions to prescription drugs.

For more information, please contact Samantha Haynes at 1-800-539-0289 or info@upstreambio.com.

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