EXHIBIT 12 1994 Form 10-K The Southern New England Telephone Company Computation of Ratio of Earnings to Fixed Charges (dollars in millions) Income before income taxes, extraordinary charge and accounting change $305.6 Add: Interest on indebtedness 53.5 Portion of rents representative of the interest factor 9.6 Earnings before fixed charges, income taxes and extraordinary items (1) $368.7 Fixed charges Interest on indebtedness $ 53.5 Potion of rents representative of the interest factor 9.6 Fixed charges(2) $ 63.1 Ratio of earnings to fixed charges [(1) divided by (2)] 5.84