X0305 4 2012-03-30 0000049071 HUMANA INC HUM 0001018657 MCCALLISTER MICHAEL B HUMANA INC. 500 WEST MAIN STREET LOUISVILLE KY 40202 1 1 0 0 Chairman of the Board & CEO Humana Common 12325 I See Footnote Humana Common 8560 I See Footnote Humana Common 302807 D Humana Common 12366 I See Footnote (2008 GRAT) Humana Common 18057 I See Footnote (2010 GRAT) Options 62.10 2014-02-22 Humana Common 129758 129758 D Options 69.475 2015-02-21 Humana Common 159585 159585 D Options 41.83 2016-02-19 Humana Common 75253 75253 D Options 46.40 2017-02-18 Humana Common 86554 86554 D Options 61.18 2018-02-17 Humana Common 88537 88537 D Options 88.6475 2019-02-23 Humana Common 101557 101557 D Restricted Stock Units Humana Common 20023 20023 D Restricted Stock Units Humana Common 19741 19741 D Phantom Stock Units 2012-03-30 4 J 0 3 89.02 A Humana Common 3 1160 I See Footnote Shares held in a trust for the benefit of reporting person's spouse. Shares held in a trust for the benefit of reporting person's children. Shares held in a GRAT with reporting person's spouse as trustee. Shares held in a GRAT with reporting person's spouse as trustee. Right to buy pursuant to Company's 2003 Stock Incentive Plan. Incentive and Non-Qualified stock options granted to reporting person on 2/22/07, NQ options vesting in three increments from 2/22/08 to 2/22/10, and ISO's vesting on 2/22/10. Incentive and Non-Qualified stock options granted to reporting person on 2/21/08, NQ options vesting in three increments from 2/21/09 to 2/21/11, and ISO's vesting on 2/21/11. Reporting person was granted the maximum number of Incentive stock options allowed and remaining options were granted as Non-Qualified stock options. The option grant vests in three increments from 2/19/10 to 2/19/12. Reporting person was granted the maximum number of Incentive stock options allowed and remaining options were granted as Non-Qualified stock options. The option grant vests in three increments from 2/18/11 to 2/18/13. Reporting person was granted the maximum number of Incentive stock options allowed and remaining options were granted as Non-Qualified stock options. The option grant vests in three increments from 2/17/12 to 2/17/14. Reporting person was granted the maximum number of Incentive stock options allowed and remaining options were granted as Non-Qualified stock options. The option grant vests in three increments from 2/23/13 to 2/23/15. Right to receive one share per restricted stock unit pursuant to the Company's 2003 Stock Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of Humana Inc. common stock, exempt under Rule 16b-3(d)(1) & (3). Restricted stock units granted to reporting person on 2/17/11, 100% of the award is vesting on 2/17/14. Restricted stock units granted to reporting person on 2/23/12, 100% of the award is vesting on 2/23/15. Phantom Stock Units held for the benefit of reporting person as of March 30, 2012 based on the value of Humana common stock on a 1-for-1 basis, under the Humana Excess Plan. 3 shares were acquired for a quarterly allocation of dividends under the Plan using the closing price of the dividend payable date on January 31, 2012. (The number of units reflect normal fluctuation due to changes in the stock price) Michael B. McCallister 2012-04-03