EXHIBIT 11 IBIS TECHNOLOGY CORPORATION STATEMENT RE: COMPUTATION OF PER SHARE INCOME (LOSS) YEARS ENDED DECEMBER 31, ----------------------------------------------- 1997 1998 1999 ----------- ----------- ----------- Basic net income (loss) .................... $(3,937,456) $(1,165,960) $ 827,129 =========== =========== =========== Weighted average common shares outstanding- basic .................................... 5,709,931 6,759,870 7,403,803 Net additional common shares upon assumed exercise of stock options and warrants ... -- -- 414,348 ----------- ----------- ----------- Weighted average commons shares outstanding- diluted .................................. 5,709,931 6,759,870 7,818,151 =========== ----------- ----------- Net income (loss) per common share Basic .................................... $ (0.69) $ (0.17) $ 0.11 =========== =========== =========== Diluted .................................. $ (0.69) $ (0.17) $ 0.11 =========== =========== ===========