Exhibit 12 to 2001 10-Q CONVERGYS CORPORATION Computation of Ratio of Earnings to Fixed Charges (Amounts in millions) Earnings: Income before income taxes, extraordinary charges and cumulative effect of change in account principle $ 87.0 Adjustment for undistributed (income)/losses of partnerships 2.7 Interest expense 6.9 Portion (1/3) of rental expense deemed interest 8.5 ------------- Total earnings $ 105.1 ========== Fixed Charges: Interest expense $ 6.9 Portion (1/3) of rental expense deemed interest 8.5 ---------- Total fixed charges $ 15.4 ========== Ratio of Earnings to Fixed Charges 6.82 ==========