Exhibit 12 to 2001 10-Q CONVERGYS CORPORATION Computation of Ratio of Earnings to Fixed Charges (Amounts in millions) For the Nine Months Ended Earnings: September 30, 2001 ------------------ Income before income taxes, extraordinary charges and cumulative effect of change in account principle $ 163.0 Adjustment for undistributed (income)/losses of partnerships 24.2 Interest expense 16.5 Portion (1/3) of rental expense deemed interest 27.4 -------------- Total earnings $ 231.1 ============== Fixed Charges: Interest expense $ 16.5 Portion (1/3) of rental expense deemed interest 27.4 -------------- Total fixed charges $ 43.9 ============== Ratio of Earnings to Fixed Charges (1) 5.26 ============== (1) The ratio of earnings to fixed charges for the nine months ended September 30, 2001 includes the impact of $96.3 in special items. Of the $96.3, $31.8 related to the acquisition of Geneva Technology Limited, $58.0 related to restructuring charges and $6.5 related to the write-down of equity investments recorded as a non-operating expense. Excluding the special items, the ratio of earnings to fixed charges for the nine months ended September 30, 2001 was 7.46.