EXHIBIT 11 AMERICAN MEDICAL TECHNOLOGIES, INC. AND SUBSIDIARIES COMPUTATION OF NET INCOME (LOSS) PER SHARE Year Ended September 30, --------------------------------------- 1996 1995 1994 ----------- ------------ ----------- Primary: Net income (loss) .................................... $ 1,215,118 $ (3,417,869) $ 1,286,123 Interest expense reduction from extinguishment of debt, net of tax ............................. 129,308 -- -- ----------- ------------ ----------- Adjusted net income (loss) ........................... $ 1,344,426 $ (3,417,869) $ 1,286,123 =========== ============ =========== Weighted average common shares outstanding ........... 12,146,940 11,605,689 10,441,766 Dilutive effect of stock options and warrants ........ 4,423,005 -- 94,823 Less shares assumed repurchased with proceeds from exercise (treasury stock method)............ (2,479,481) -- -- ----------- ------------ ----------- Weighted average common and common equivalent shares outstanding ................... 14,090,464 11,605,689 10,536,589 =========== ============ =========== Income (loss) from continuing operations per share ... $ 0.10 $ (0.29) $ (0.08) Discontinued operations, net of taxes: Loss from operations per share .................. -- -- (0.01) Gain on disposal per share ...................... -- -- 0.21 ----------- ------------ ----------- Net income (loss) per share .......................... $ 0.10 $ (0.29) $ 0.12 =========== ============ =========== Fully diluted: Net income (loss) .................................... $ 1,215,118 $ (3,417,869) $ 1,286,123 Interest expense reduction from extinguishment of debt, net of tax ............................. 474 -- -- Interest expense reduction from conversion of debt, net of tax ................................ 5,882 -- -- ----------- ------------ ----------- Adjusted net income (loss) ........................... $ 1,221,474 $ (3,417,869) $ 1,286,123 =========== ============ =========== Weighted average common shares outstanding ........... 12,146,940 11,605,689 10,441,766 Dilutive effect of stock options and warrants ........ 4,423,005 -- 94,823 Dilutive effect of debt conversion ................... 98,033 -- -- Less shares assumed repurchased with proceeds from exercise (treasury stock method) ........... (2,479,481) -- -- ----------- ------------ ----------- Weighted average common and common equivalent shares outstanding ................... 14,188,497 11,605,689 10,536,589 =========== ============ =========== Income (loss) from continuing operations per share ... $ 0.09 $ (0.29) $ (0.08) Discontinued operations, net of taxes: Loss from operations per share .................. -- -- (0.01) Gain on disposal per share ...................... -- -- 0.21 ----------- ------------ ----------- Net income (loss) per share .......................... $ 0.09 $ (0.29) $ 0.12 =========== ============ ===========