. . . Exhibit No. 12 THE PROGRESSIVE CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (millions) (unaudited) Three Months Ended March 31, --------------------------- 2004 2003 ------------ ------------ Income before income taxes $ 678.7 $ 433.3 ------------ ------------ Fixed Charges: Interest and amortization on indebtedness 21.6 24.3 Portion of rents representative of the interest factor 2.0 1.7 ------------ ------------ Total fixed charges 23.6 26.0 ------------ ------------ Total income available for fixed charges(1) $ 701.3 $ 459.2 ============ ============ Ratio of earnings to fixed charges 29.7 17.7 ============ ============ (1) Excludes interest capitalized, net of amortized interest, of $1.0 million and $.1 million for the three months ended March 31, 2004 and 2003, respectively.