EXHIBIT 11 AMERICAN ONCOLOGY RESOURCES, INC. STATEMENT RE-COMPUTATION OF PER SHARE EARNINGS (IN THOUSANDS EXCEPT PER SHARE AMOUNTS) Year Ended December 31, ----------------------------- 1996 1995 1994 -------- -------- -------- NET INCOME.............................. $ 17,650 $ 11,617 $ 1,243 ======== ======== ======== OUTSTANDING AT END OF PERIOD: Shares of Common Stock................ 27,371 27,476 15,266 Commitments to issue Common Stock at specific future dates................ 17,463 15,262 5,994 Effect of weighting................... (606) (6,428) (1,230) -------- -------- -------- 44,228 36,310 20,030 -------- -------- -------- Options to purchase Common Stock........ 4,819 Effect of treasury stock method......... (1,498) Dilutive effect of options to purchase Common Stock granted April 1, 1994 and prior............................. - 1,168 846 -------- -------- -------- Additional assumed shares for 1994 and 1995 grants and issuances at less than the initial public offering price: Issued Common Stock................... 1,270 Commitments to issue Common Stock at specific future dates................ 7,898 Options to purchase Common Stock...... 4,432 3,630 Effect of treasury stock method....... - (1,772) (3,864) -------- -------- -------- - 2,660 8,934 -------- -------- -------- Total shares used in per share calculation............................ 47,549 40,138 29,810 ======== ======== ======== Net income per share.................... $0.37 $0.29 $0.04 ======== ======== ======== ASSUMING FULL DILUTION: Outstanding per above................. 47,549 40,138 29,810 Additional dilution resulting from use of period-end price per share if higher than average.................. 71 222 370 -------- -------- -------- Total shares used in per share calculation............................ 47,620 40,360 30,180 ======== ======== ======== Net income per share.................... $0.37 $0.29 $0.04 ======== ======== ========