SAN DIEGO, August 24, 2006 — Conatus Pharmaceuticals Inc. today announced that it has relocated the corporate operations to 4365 Executive Drive, Suite 200, San Diego, CA 92121. The main telephone number is 858-558-8130 and the facsimile number, 858-558-8920.

“We are pleased to have secured a premium location in the University Towne Centre section of San Diego, adjacent to Biocom, professional services and many other biotechnology companies”, said Steven J. Mento, President and CEO of Conatus. “We expect this space to accommodate our growing business needs for years to come”.

Conatus Pharmaceuticals Inc. is a privately-held specialty pharmaceutical company engaged in the development of innovative human therapeutics to treat liver disease. Chronic liver disease affects hundreds of millions of people worldwide and can be caused by many different conditions or “insults” to the liver including viral infection, obesity, chronic alcohol abuse or autoimmune diseases. Conatus was founded by the executive management team of Idun Pharmaceuticals in July 2005 following the successful sale of Idun to Pfizer.