Filed Under Rule 424 (b)(3) Registration Statement No. 333-48415 SUPPLEMENT NO. 15 TO PROSPECTUS DATED November 13, 1998 (AS SUPPLEMENTED November 13, 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) Floating Rate Notes - ----------------------- Interest Rate Per Annum.......Float% SETTLEMENT DATE: 1/11/99 INITIAL PAYMENT DATE: 4/11/99 MATURITY DATE: 01/11/2002 DAYCOUNT: ACTUAL/360 INDEX: 3 Month LIBOR + 1.75% SOURCE: TELERATE PAGE 3750 RESET FREQUENCY: Quarterly PAYMENT FREQUENCY: Quarterly PAYMENT: Quarterly, Pays on January 11th, April 11th, July 11th, October 11th or next Good Business Day of each Month. Commencing 4/11/99 INTEREST DETERMINATION: Quarterly Reset, Paid Quarterly - Source: Telerate p. 3750. 2 London Business Days Prior to Each Reset Date. REDEMPTION: Non-Call Life AMOUNT OF SALE: $20,000,000.00 CUSIP NUMBER: 00206HK52 Date of Sale: January 6, 1999