Exhibit 12 Humana Inc. Ratio of Earnings to Fixed Charges For the quarters and six months ended June 30, 1999 and 1998 Unaudited (Dollars in millions) Quarters Ended Six Months Ended 1999 1998 1999 (a) 1998 Earnings: Income before income taxes $ 44 $ 82 $ 19 $ 161 Fixed charges 11 13 24 28 $ 55 $ 95 $ 43 $ 189 Fixed charges: Interest charged to expense $ 8 $ 10 $ 18 $ 22 One-third of rent expense 3 3 6 6 $ 11 $ 13 $ 24 $ 28 Ratio of earnings to fixed charges 4.9 7.6 1.8 6.8 The one-third of rent expense included in fixed charges is that proportion deemed representative of the interest portion. (a) Exclusive of the first quarter 1999 additional medical claims expense of $90 million ($57 million after tax, or $0.34 per diluted share) and a $12 million ($8 million after tax, or $0.04 per diluted share) gain on the sale of a tangible asset, the ratio of earnings to fixed charges for the six months ended June 30, 1999 would have been 5.0.