Exhibit 11. Computation of Net Income (Loss) Per Share. TRANSTECH INDUSTRIES, INC. COMPUTATION OF NET INCOME (LOSS) PER COMMON SHARE For the Nine Months Ended September 30, BASIC: 1998 1997 Weighted Average Common Shares Outstanding 2,829,190 2,829,090 Net Income (Loss) $(675,000) $(1,826,000) Basic Net Income (Loss) Per Common Share: Net Income (Loss) per share $(.24) $(.65) DILUTED: Weighted Average Common Shares Outstanding 2,829,190 2,829,090 Dilutive Stock Options Based Upon the Treasury Stock Method - - 2,829,190 2,829,090 Net Income (Loss) $(675,000) $(1,826,000) Diluted Net Income (Loss) Per Common Share: Net Income (Loss) Per Share $(.24) $(.65) For the Three Months Ended September 30, BASIC: 1998 1997 Weighted Average Common Shares Outstanding 2,829,190 2,829,090 Net Income (Loss) $(163,000) $(570,000) Basic Net Income (Loss) Per Common Share: Net Income (Loss) per share $(.06) $(.20) DILUTED: Weighted Average Common Shares Outstanding 2,829,190 2,829,090 Dilutive Stock Options Based Upon the Treasury Stock Method - - 2,829,190 2,829,090 Net Income (Loss) $(163,000) $(570,000) Diluted Net Income (Loss) Per Common Share: Net Income (Loss) Per Share $(.06) $(.20)