Exhibit 12 to 2002 10-Q CONVERGYS CORPORATION Computation of Ratio of Earnings to Fixed Charges (Amounts in millions) For the Six Months Ended Earnings: June 30, 2002 - --------- ------------- Income before income taxes, extraordinary charges and cumulative effect of change in accounting principle $ 189.7 Adjustment for undistributed (income)/losses of partnerships (0.3) Interest expense 5.9 Portion (1/3) of rental expense deemed interest 19.5 -------- Total earnings $ 214.8 ======== Fixed Charges: Interest expense $ 5.9 Portion (1/3) of rental expense deemed interest 19.5 -------- Total fixed charges $ 25.4 ======== Ratio of Earnings to Fixed Charges 8.46 ========