Filed Under Rule 424 (b)(3) Registration Statement No. 333-48415 SUPPLEMENT NO. 12 TO PROSPECTUS DATED May 5, 1998 (AS SUPPLEMENTED May 5, 1998) AT&T CAPITAL CORPORATION Medium Term Notes, Series F Due Nine Months or More From Date of Issue. Issue Price: 100% (as a percent of principal amount) Fixed Rate Notes - ------------------- Interest Rate Per Annum............................... 6.250% Amount of Sale: $5,000,000.00 Maturity Date: 6/7/2000 Date of Sale: December 2, 1998 CUSIP Number: 00206HK29 Settlement Date: December 7, 1998 Interest Payment Dates: June 7th & December 7th Redemption: Check applicable sentence. X The Notes cannot be redeemed prior to maturity --- The Notes may be redeemed prior to maturity --- Redemption Date: Redemption Price: ----------- ------------ (as a percent of principal amount) Repayment: Check applicable sentence. X The Notes cannot be repaid prior to maturity. --- The Notes may be repaid prior to maturity. --- Repayment Date: Repayment Price: ------------ ------------ (as a percent of principal amount)