Humana Inc. To Release Fourth Quarter 2011 Results On February 6, 2012

Humana Inc. (NYSE: HUM) will release its financial results for the fourth quarter 2011 on Monday, February 6, 2012 at 6:00 a.m. eastern time. The company will host a conference call, as well as a virtual slide presentation at 9:00 a.m. eastern time that same morning to discuss its financial results for the quarter.

The live virtual presentation (audio with slides) on February 6 may be accessed via Humana’s Investor Relations page at www.humana.com. The company suggests web participants sign on approximately 15 minutes in advance of the call. The company also suggests web participants visit the site well in advance of the call to run a system test and to download any free software needed to view the presentation.

All parties interested in the audio only portion of the February 6 conference call are invited to dial 888-625-7430. No password is required. The company suggests participants dial in approximately ten minutes in advance of the call.

For those unable to participate in the live event on February 6, the virtual presentation archive will be available in the Presentations section of the Investor Relations page at www.humana.com, approximately two hours following the live webcast. Telephone replays will be available from 12:00 p.m. eastern time on February 6, 2012 until midnight eastern time on February 8, 2012 and can be accessed by dialing 855-859-2056 and providing the conference ID # 39261722.

The company’s fourth quarter 2011 earnings news release may include financial measures that are not in accordance with Generally Accepted Accounting Principles (“GAAP”). A reconciliation of these non-GAAP financial measures to financial results under GAAP, as well as management’s reasons for including the non-GAAP financial measures, will be included in the company’s fourth quarter 2011 earnings news release, a copy of which will be available on the Investor Relations page of www.humana.com on February 6, 2012.

Humana Inc., headquartered in Louisville, Kentucky, is a leading health care company that offers a wide range of insurance products and health and wellness services that incorporate an integrated approach to lifelong well-being. By leveraging the strengths of its core businesses, Humana believes it can better explore opportunities for existing and emerging adjacencies in health care that can further enhance wellness opportunities for the millions of people across the nation with whom the company has relationships.