EDISON INTERNATIONAL COMPUTATION OF BASIC AND DILUTED EARNINGS PER SHARE 3 Months Ended 6 Months Ended June 30, June 30, - ------------------------------------------------------------------------------------------------------------------- In thousands, except per-share amounts 2000 1999 2000 1999 - ------------------------------------------------------------------------------------------------------------------- Consolidated net income $ 137,167 $ 128,422 $ 246,709 $271,633 Basic weighted average shares 331,695 347,204 338,344 347,846 Diluted weighted average shares 331,977 348,233 338,626 348,875 Basic earnings per share $.41 $.37 $.73 $.78 Diluted earnings per share $.41 $.37 $.73 $.78