MEDIAONE GROUP, INC., Issuer, AT&T CORP., Guarantor, and BANK ONE TRUST COMPANY, NA, (successor to The First National Bank of Chicago) TrusteeFifth Supplemental Indenture • August 14th, 2000 • Mediaone Group Inc • Telephone communications (no radiotelephone) • New York
andSeventh Supplemental Indenture • August 14th, 2000 • Mediaone Group Inc • Telephone communications (no radiotelephone) • New York
