EXHIBIT 11 HEALTHSOUTH CORPORATION AND SUBSIDIARIES COMPUTATION OF INCOME PER SHARE (UNAUDITED) (IN THOUSANDS, EXCEPT FOR PER SHARE DATA) THREE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, ------------------------- -------------------------- 1998 1997 1998 1997 ----------- ---------- ---------- ----------- Numerator: Net income $ 5,670 $ 85,919 $ 232,266 $ 231,818 ------------ ---------- ---------- ---------- Numerator for basic earnings per share -- income available to common stockholders 5,670 85,919 232,266 231,818 Effect of dilutive securities: Elimination of interest and amortization on 5% Convertible Subordinated Debentures due 2001, less the related effect of the provision of income taxes - - - 960 Elimination of interest and amortization on 3.25% Convertible Subordinated Debentures due 2003, less the related effect of the provision of income taxes - (1) - - (1) - ------------ ---------- ---------- ---------- Numerator for diluted earnings per share -- income available to common stockholders after assumed conversion $ 5,670 $ 85,919 $ 232,266 $ 232,778 ============ ========== ========== ========== Denominator: Denominator for basic earnings per share -- weighted-average shares 422,649 340,919 407,414 336,374 Effect of dilutive securities: Net effect of dilutive stock options 10,384 15,883 11,957 15,366 Assumed conversion of 5% Convertible Subordinated Debentures due 2001 - - - 4,076 Assumed conversion of 3.25% Convertible Subordinated Debentures due 2003 - (1) - - (1) - ------------ ---------- ---------- ---------- Dilutive potential common shares 10,384 15,883 11,957 19,442 ------------ ---------- ---------- ---------- Denominator of diluted earnings per share -- adjusted weighted-average shares and assumed conversions 433,033 356,802 419,371 355,816 ============ ========== ========== ========== Basic earnings per share $ 0.01 $ 0.25 $ 0.57 $ 0.69 ============ ========== ========== ========== Diluted earnings per share $ 0.01 $ 0.24 $ 0.55 $ 0.65 ============ ========== ========== ========== (1) The effect of these securities was antidilutive for the three months and nine months ended September 30, 1998.