Press Release FOR MORE INFORMATION, CONTACT: Bernie McDonagh Tom Noland Vice President, Investor Relations Vice President, Corporate United HealthCare Communications (612) 936-7214 Humana Inc. (502) 580-3674 Susan Busch Kristi Drablos Director, Media Relations Director of Investor & Public Relations Relations United HealthCare Humana Inc. (612) 936-1932 (502) 580-3644 Humana and United HealthCare Mutually Agree to terminate Merger Plans: LOUISVILLE, KY, and Minneapolis - (August 10, 1998) - Humana Inc. (NYSE: HUM) and United HealthCare Corporation (NYSE: UNH) today announced that they have mutually agreed to terminate the previously announced merger of the two companies. The mutual agreement was approved by the boards of directors of both companies. Humana Inc. is one of the nation's largest publicly traded managed health care companies with approximately 6.2 million medical members located primarily in 16 states and Puerto Rico. Humana offers coordinated health care through a variety of plans - health maintenance organizations, preferred provider organizations, point-of-service plans, and administrative services products - to employers groups, government-sponsored plans and individuals. More information about Humana is available at http://www.humana.com. United HealthCare is a diversified health service company that provides a broad spectrum of resources and services to help people achieve improved health and well-being through all stages of life. United HealthCare is organized into six business segments: Health Plans, Retiree and Senior Services, Strategic Business Services, Insurance Services, Specialized Care Services, and Knowledge and Information Services. More information about United HealthCare is available at http://www.unitedhealthcare.com.