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,...Mid American Energy Holdings Co /New/ • May 11th, 1999 • Electric, gas & sanitary services • New York
