EDISON INTERNATIONAL COMPUTATION OF BASIC AND DILUTED EARNINGS PER SHARE For the Quarter ended June 30, --------------------- 1999 1998 --------------------- (in thousands, except per-share amounts) Consolidated net income $128,422 $145,303 Basic weighted average shares 347,204 360,251 Diluted weighted average shares 348,233 361,579 Basic earnings per share $0.37 $0.40 Diluted earnings per share $0.37 $0.40