Exhibit 12 To Form 10-K for 1993 File No. 1-6781 THE OHIO BELL TELEPHONE COMPANY COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Dollars in Millions) Twelve Months Ended December 31 1993 1992 1991 1990 1989 																																																								 1. EARNINGS Income before interest and income $446.9 $432.0 $405.5 $407.1 $415.7 taxes and cumulative effect of change in accounting principles Portion of rental expense 2.2 2.6 4.0 5.4 6.2 representative of the interest factor Total Earnings $449.1 $434.6 $409.5 $412.5 $421.9 2. FIXED CHARGES Total interest deductions including $ 62.2 $ 66.1 $ 80.6 $ 76.3 $ 70.1 capital lease obligations Portion of rental expense 2.2 2.6 4.0 5.4 6.2 representative of the interest factor Total Fixed Charges $ 64.4 $ 68.7 $ 84.6 $ 81.7 $ 76.3 3. Ratio of Earnings to Fixed Charges 6.97 6.33 4.84 5.05 5.53