EXHIBIT 11 AMERICAN ONCOLOGY RESOURCES, INC. STATEMENT RE-COMPUTATION OF PER SHARE EARNINGS (IN THOUSANDS EXCEPT PER SHARE AMOUNTS) (UNAUDITED) THREE MONTHS NINE MONTHS ENDED SEPT. 30, ENDED SEPT. 30, 1996 1995 1996 1995 -------- -------- --------- -------- NET INCOME $ 4,303 $ 4,654 $12,810 $ 7,704 ======= ======= ======= ======= OUTSTANDING AT END OF PERIOD: Shares of Common Stock 28,360 27,476 28,360 27,476 Commitments to issue Common Stock at specific future dates 16,999 14,252 16,999 14,252 Effect of weighting (637) (232) (1,438) (7,498) ------- ------- ------- ------- 44,722 41,496 43,921 34,230 ------- ------- ------- ------- Options to purchase Common Stock 5,128 5,128 Effect of treasury stock method (2,402) (1,602) Dilutive effect of options to purchase Common Stock granted April 1, 1994 and prior - 1,296 - 1,122 ------- ------- ------- ------- Additional assumed shares for 1994 and 1995 grants and issuancesat less than the initial public offering price: Options to purchase Common Stock 3,570 3,570 Effect of treasury stock method - (732) - (1,044) ------- ------- ------- ------- - 2,838 - 2,526 ------- ------- ------- ------- Total shares used in per share calculation 47,448 45,630 47,447 37,878 ======= ======= ======= ====== Net income per share $0.09 $0.10 $ 0.18 $ 0.20 ======= ======= ======= ======= ASSUMING FULL DILUTION: Outstanding per above 47,448 45,630 47,447 37,878 Additional dilution resulting from use of period end price per share if higher than average 132 160 44 280 ------- ------- ------- ------- Total shares used in per share 47,580 45,790 47,491 38,158 calculation ======= ======= ======= ======= Net income per share $0.09 $0.10 $ 0.27 $ 0.20 ======= ======= ======= =======