TRIDEX CORPORATION AND SUBSIDIARIES EXHIBIT 11.1 COMPUTATION OF PER SHARE EARNINGS (Dollars in thousands, except per share amounts) Years Ended December 31, --------------------- --------------------- ----------- 1999 1998 1997 --------------------- --------------------- ----------- BASIC EARNINGS: Loss from continuing operations $ (16,271) $ (14,943) $ (902) Income from discontinued operations 1,506 797 867 Net loss available to common ===================== ===================== =========== stockholders $ (14,765) $ (14,146) $ (35) ===================== ===================== =========== SHARES: Average common shares outstanding 6,368,000 6,077,000 5,157,000 ===================== ===================== =========== EARNINGS PER COMMON SHARE - BASIC: Loss from continuing operations $ (2.56) $ (2.46) $ (0.18) Income from discontinued operations 0.24 0.13 0.17 ===================== ===================== =========== Net loss $ (2.32) $ (2.33) $ (0.01) ===================== ===================== =========== - - --------------------------------------------------------------------------- --------------------- -----------