EXHIBIT 11 HEALTHSOUTH CORPORATION AND SUBSIDIARIES COMPUTATION OF INCOME PER SHARE (UNAUDITED) (IN THOUSANDS, EXCEPT FOR PER SHARE DATA) THREE MONTHS ENDED MARCH 31, ----------------------------------- 1998 1997 ---------------- --------------- Numerator: Net income $ 109,368 $ 64,580 ---------------- --------------- Numerator for basic earnings per share -- income available to common stockholders 109,368 64,580 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 303 - ---------------- --------------- Numerator for diluted earnings per share -- income available to common stockholders after assumed conversion $ 109,671 $ 65,540 ================ =============== Denominator: Denominator for basic earnings per share -- weighted-average shares 398,496 327,727 Effect of dilutive securities: Net effect of dilutive stock options 12,088 15,045 Assumed conversion of 5% Convertible Subordinated Debentures due 2001 - 12,226 Assumed conversion of 3.25% Convertible Subordinated Debentures due 2003 1,669 - ---------------- --------------- Dilutive potential common shares 13,757 27,271 ---------------- --------------- Denominator of diluted earnings per share -- adjusted weighted-average shares and assumed conversions 412,253 354,998 ================ =============== Basic earnings per share $ 0.27 $ 0.20 ================ =============== Diluted earnings per share $ 0.27 $ 0.18 ================ ===============