Website: N/A
Stock Symbol: AMEX: PPW^
Market Value: N/A (in millions)

On March 21, 2006, a wholly owned subsidiary of MidAmerican Energy Holdings Company (“MEHC”) acquired 100% of the common stock of PacifiCorp from a wholly owned subsidiary of Scottish Power plc (“ScottishPower”). As a result of the acquisition, MEHC controls substantially all of PacifiCorp’s voting securities, which include both common and preferred stock. MEHC, a holding company owning subsidiaries that are principally engaged in energy businesses, is a consolidated subsidiary of Berkshire Hathaway Inc. (“Berkshire Hathaway”).

On March 1, 2006, MEHC and Berkshire Hathaway entered into an Equity Commitment Agreement pursuant to which Berkshire Hathaway has agreed to purchase up to $3.5 billion of common equity of MEHC upon any requests authorized from time to time by the Board of Directors of MEHC.