1 EXHIBIT 11 AER ENERGY RESOURCES, INC. (A DEVELOPMENT STAGE COMPANY) COMPUTATION OF EARNINGS PER SHARE (UNAUDITED) PERIOD FROM JULY 17, 1989 THREE MONTHS ENDED NINE MONTHS ENDED (DATE OF SEPTEMBER 30, SEPTEMBER 30, INCEPTION) TO ------------------------------ ------------------------------ SEPTEMBER 30, 1997 1996 1997 1996 1997 ------------ -------------- -------------- ------------ ------------ Weighted average common stock outstanding ............... 24,791,763 24,058,133 24,573,637 22,178,701 12,443,197 Common stock issued and stock options granted in accordance with SAB No. 83 ................... -- -- -- -- 1,337,912 ---------- -------------- -------------- ------------- ------------ Total ...................... 24,791,763 24,058,133 24,573,637 22,178,701 13,781,109 ========== ============== ============== ============= ============ Net loss................... $(2,386,858) $ (1,795,267) $ (6,596,360) $ (5,500,524) $(52,289,439) ========== ============== ============== ============= ============ Per share amount........... $ (0.10) $ (0.07) $ (0.27) $ (0.25) $ (3.79) ========== ============== ============== ============= ============ Page 16