Humana Challenge in partnership with the Clinton Foundation Sponsors

Humana

Humana Inc., headquartered in Louisville, Kentucky, is one of the nation's largest publicly traded health and supplemental benefits companies, with approximately 10.2 million medical members, 7.1 million specialty members, and operates more than 300 medical centers and 240 worksite medical facilities. Humana is a full-service benefits and well-being solutions company, offering a wide array of health, pharmacy and supplemental benefit plans for employer groups, government programs and individuals, as well as primary and workplace care through its medical centers and worksite medical facilities.

Over its 51-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.

More information regarding Humana is available to investors via the Investor Relations page of the company's web site at www.humana.com, including copies of:

Annual reports to stockholders;
Securities and Exchange Commission filings;
Most recent investor conference presentations;
Quarterly earnings news releases;
Replays of most recent earnings release conference calls;
Calendar of events (including upcoming earnings conference call dates and times, as well as planned interaction with research analysts and institutional investors);
Corporate Governance information.

William J. Clinton Foundation

Building a lifetime of public servcice, President Bill Clinton established the William J. Clinton Foundation with the mission to alleviate poverty, improve global health, strengthen economies, and protect the environment, by fostering partnerships among governments, businesses, non governmental orgaizations, and private citizens - leveraging their expertise, resordes, and passions - to turn good intentions int measurabel results.

To accomplish its goals, the Clinton Foundation has established separate initiaves, each with a distinct mission but all reflecting President Clinton's founding vision; to implement sustainable programs that improve access worldwide to investment, opportunty, and lifesaving services not and for future generatins. Working in diverse geographic regions and responding to local needs, the initatives address targeted challenges in the Foundation's key areas of focus: economic empowerment, education, environment and energy, health systems and nutrition.

The Clinton Global Initiative brings together a communty of leaders to devise and implement innovative solutions to some of the world's most pressing issues. Through strategic organization and investment, the Clinton Foundation strives to change globas systems, entire communties, and the way business is done in both develped and developing country - while emphasizing soluntions that make meaningul and positeve changes in individual lives. For more information, visit www.clintonfoundation.org.