Exhibit 11 MIDAMERICAN ENERGY HOLDINGS COMPANY CALCULATION OF EARNINGS PER SHARE (dollars in thousands, except per share amounts) ___________________ Three Months Ended March 31, 1999 1998 Actual weighted average shares outstanding for the period 59,205,397 61,081,469 Dilutive stock options and warrants using average market prices 711,797 588,240 Additional dilutive stock options assuming conversion of convertible preferred securities of subsidiary trusts 13,326,683 7,672,883 Diluted shares outstanding 73,243,877 69,342,592 Net income per share before extraordinary item $ 39,791 $ 27,295 Extraordinary item, net of tax (31,520) - Net income available to common stockholders $ 8,271 $ 27,295 Net income per share before extraordinary item $ .67 $ .45 Extraordinary item (.53) - Net income per share $ .14 $ .45 Diluted income per share before extraordinary item(1) $ .62 $ .43 Diluted income per share based on SEC interpretive release No. 34-9083(1) $ .19 $ .43 (1)-Net income available to common stockholders for the three months ended March 31, 1999 and 1998 was increased by dividends on convertible preferred securities of subsidiary trusts, net of tax effect, of $5,471 and $2,751, respectively.