UNUM Corporation and Subsidiaries Form 10-Q June 30, 1994 Exhibit 12 Computation of Ratio of Earnings to Fixed Charges Three Months Ended Six Months Ended June 30, June 30, (Unaudited - Dollars in millions) 1994 1993 1994 1993 Earnings: Income from continuing operations before income taxes $123.2 $114.2 $234.0 $225.2 Add: Fixed charges 7.0 5.6 12.9 11.4 Earnings as adjusted $130.2 $119.8 $246.9 $236.6 Fixed charges: Interest expense $ 4.2 $ 3.1 $ 7.5 $ 6.1 Interest portion of rent expense 2.8 2.5 5.4 5.3 Total fixed charges $ 7.0 $ 5.6 $ 12.9 $ 11.4 Ratio of earnings to fixed charges 18.6 21.4 19.1 20.8 For purposes of computing the ratio of earnings to fixed charges, earnings as adjusted consist of net income plus income taxes and fixed charges. Fixed charges consist of interest expense and the estimated interest portion of rent expense. 26