Exhibit 12 Humana Inc. Ratio of Earnings to Fixed Charges For the quarters ended March 31, 1997 and 1996 Unaudited (Dollars in millions) 1997 1996 Earnings: Income before income taxes $ 60 $ 81 Fixed charges 5 6 $ 65 $ 87 Fixed charges: Interest charged to expense $ 3 $ 5 One-third of rent expense 2 1 $ 5 $ 6 Ratio of earnings to fixed charges 12.7 13.8 For the purpose of determining earnings in the calculation of the ratio of earnings to fixed charges, earnings have been increased by the provision for income taxes and fixed charges. Fixed charges consist of interest expense on borrowings and one-third (the proportion deemed representative of the interest portion) of rent expense. 17