EXHIBIT 11 IKONICS CORPORATION COMPUTATION OF NET EARNINGS PER COMMON SHARE (Unaudited)
Nine Months Ended ----------------- Sep 30, 2003 Sep 30, 2002 ------------ ------------ Net earnings applicable to common shareholders $ 324,999 $ 240,100 for basic and diluted earnings per share Weighted average shares outstanding for basic earnings per share 1,248,127 1,253,390 Dilutive effect of stock options computed using the treasury stock method and the average market price 18,837 0 Weighted average shares outstanding for diluted earnings per share 1,266,964 1,253,390 Basic earnings per share $ 0.26 $ 0.19 Diluted earnings per share $ 0.26 $ 0.19