CALENERGY COMPANY, INC., as Issuer MAVERICK REINCORPORATION SUB, INC. (Successor to CALENERGY COMPANY, INC. and to be known as MIDAMERICAN ENERGY HOLDINGS COMPANY) and THE BANK OF NEW YORK, as Trustee FIRST SUPPLEMENTAL INDENTURE Dated as of March 12,...First Supplemental Indenture • May 11th, 1999 • Mid American Energy Holdings Co /New/ • Electric, gas & sanitary services • New York
