EXHIBIT 99.1 STEVEN A. ELMS ELECTED CHAIRMAN OF THE BOARD CHESTER, N.J. (OCT. 14, 2005) - Adams Respiratory Therapeutics, Inc. (NASDAQ: ARxT), today announced that Steven A. Elms, a director since 2001, has been elected chairman of the Board of Directors. He succeeds John Q. Adams, Sr., who retired as chairman, effective today. Elms, 41, has served as a managing director of Perseus-Soros Management, LLC, an affiliate of Perseus-Soros BioPharmaceutical Fund, LP, a private equity fund since June 2000. He previously was a principal in the Life Science Investment Banking group of Hambrecht & Quist (now J.P. Morgan) and has additional healthcare experience with The Wilkerson Group, a leading healthcare consulting company, and Marion Laboratories, Inc. Elms received his M.B.A. from Northwestern's Kellogg Graduate School of Management and a bachelor's degree in human biology from Stanford University. He currently serves as a director of Bioenvision, Inc. and a number of private biotechnology companies. ABOUT ADAMS RESPIRATORY THERAPEUTICS, INC. Adams is a specialty pharmaceutical company focused on the late-stage development, commercialization and marketing of over-the-counter and prescription pharmaceuticals for the treatment of respiratory disorders. # # # Investor/Media Contact: Janet M. Barth (908) 879-2428