Exhibit 11. Computation of Net Income (Loss) Per Share. TRANSTECH INDUSTRIES, INC. COMPUTATION OF NET INCOME (LOSS) PER COMMON SHARE For the Three Months Ended March 31, BASIC: 2003 2002 Weighted Average Common Shares Outstanding 2,979,190 2,979,190 Net Income (Loss) $ (355,000) $ 4,161,000 Basic Net Income (Loss) Per Common Share: Net Income (Loss) per share $(.12) $1.40 DILUTED: Weighted Average Common Shares Outstanding 2,979,190 2,979,190 Dilutive Stock Options Based Upon the Treasury Stock Method - - 2,979,190 2,979,190 Net Income (Loss) $ (355,000) $4,161,000 Diluted Net Income (Loss) Per Common Share: Net Income (Loss) Per Share $(.12) $1.40