EXHIBIT 12 FORM 10-Q for the Quarter Ended September 30, 1997 File No. 1-11237 AT&T CAPITAL CORPORATION AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES* (Dollars in Thousands) (Unaudited) For the Nine Months Ended September 30, 1997 ---------------- Earnings from continuing operations: Income before income taxes $ 56,375 Add: Fixed charges included in income before taxes 333,217 -------- Total earnings from continuing operations, as adjusted 389,592 -------- Total fixed charges* $333,217 ======== Ratio of earnings to fixed charges 1.17 ======== * Fixed charges include interest on indebtedness and the portion of rentals representative of the interest factor. 31