Humana Military Healthcare Services Commitment to Ethics and Compliance Recognized by Defense Industry Initiative

Lab Business Week, March 8, 2009 — Humana Military Healthcare Services (HMHS), a wholly owned subsidiary of Humana Inc. (NYSE: HUM), has announced their new designation as a signatory member to the Defense Industry Initiative on Business Ethics and Conduct (DII). The DII is a voluntary, non-profit organization seeking to ensure that its members conduct business with the highest degree of integrity and honesty, while meeting special compliance risks established in contracting with the Department of Defense (DoD). Humana Military joins more than 80 defense contractors as a signatory (see also Humana Military Healthcare Services).

We are proud to be accepted into the Defense Industry Initiative, as it is another measure to ensure our military customer, Congress and the Department of Defense that we conduct business with a high level of integrity, said Dave Baker, president and CEO of Humana Military. It is our responsibility to do business ethically.

DII ensures consistent compliance with their principles of business ethics and conduct of signatory companies by requiring them to respond to an annual questionnaire and attending a best practices forum.

HMHS, headquartered in Louisville, KY., has been a Department of Defense contractor for the administration of the TRICARE program since July 1, 1996. In August 2003, HMHS was awarded the contract to provide health benefits support and services to approximately 2.8 million active duty and retired military and their eligible family members in the 10-state South Region. HMHS was also awarded the Department of Defense s contract to provide health care services and support for active duty service members and their families located in the Commonwealth of Puerto Rico, in February 2004.

Humana Inc., headquartered in Louisville, Kentucky, is one of the nation s largest publicly traded health and supplemental benefits companies, with approximately 10.6 million medical members. Humana is a full-service benefits solutions company, offering a wide array of health and supplementary benefit plans for employer groups, government programs and individuals.

Over its 48-year history, Humana has consistently seized opportunities to meet changing customer needs. Today, the company is a leader in consumer engagement, providing guidance that leads to lower costs and a better health plan experience throughout its diversified customer portfolio.