Exhibit 99.1 IDEXX Laboratories Announces Third Quarter Results Third Quarter Performance Highlights Companion Animal Group ("CAG") CAG revenue growth was led by CAG Diagnostics recurring revenue growth of 11% as reported and 10% organic, including 18% reported and 14% organic gains in International regions, and 8% reported and organic growth in the U.S., outpacing sector growth levels. U.S. growth was aided by increased diagnostic frequency and an easing of clinical visit pressures. Additional U.S. compani ...