Foster City, California, April 18, 2007 – Entelos, Inc. (LSE: ENTL) today announced that Per Artur Peterson, M.D., Ph.D. has been appointed to its board as a non-executive director, effective April 17, 2007. Dr. Peterson recently retired as Chairman, Research & Development, at Johnson & Johnson. As Chairman, he had responsibility for the Corporate Office of Science and Technology, the Enterprise-wide R&D Council, and Johnson & Johnson's cell therapy research activities. Dr. Peterson was also a member of the Executive Committee of Johnson & Johnson.