X0306 4 2013-05-09 0000049071 HUMANA INC HUM 0001018657 MCCALLISTER MICHAEL B HUMANA INC. 500 WEST MAIN STREET LOUISVILLE KY 40202 1 0 0 0 Humana Common 2013-05-09 4 M 0 129758 62.10 A 244199 D Humana Common 2013-05-09 4 M 0 86554 46.40 A 330753 D Humana Common 2013-05-09 4 S 0 216312 77.7205 D 114441 D Humana Common 2013-05-09 4 G 0 2582 0 D 111859 D Humana Common 12325 I See Footnote Humana Common 8560 I See Footnote Humana Common 2013-05-09 4 S 0 65000 77.7205 A 56650 I See Footnote Humana Common 12366 I See Footnote (2008 GRAT) Humana Common 10837 I See Footnote (2010 GRAT) Humana Common 30400 I See Footnote (2012 GRAT) Options 62.10 2013-05-09 4 M 0 129758 0 D 2014-02-22 Humana Common 129758 0 D Options 69.475 2015-02-21 Humana Common 159585 159585 D Options 46.40 2013-05-09 4 M 0 86554 0 D 2017-02-18 Humana Common 86554 0 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 Restricted Stock Units Humana Common 2026 2026 D Phantom Stock Units Humana Common 1183 1183 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 gift trust 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 2/18/11 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 April 30, 2013 based on the value of Humana common stock on a 1-for-1 basis, under the Humana Retirement Equalization Plan. The ending number of units reflects normal fluctation due to changes in stock price. Transaction reported reflects shares acquired for a quarterly allocation of dividend equivalents, allocated the last business day of the quarter. The amount of shares purchased was determined using the closing price of Humana stock on the dividend payable date of January 25, 2013. 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) under the Company's 2011 Plan. 100% of the award is vesting on 12/31/2013. Michael B. McCallister 2013-05-10