EXHIBIT 11.1 CALCULATION OF NET INCOME PER COMMON SHARE (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) YEARS ENDED DECEMBER 31, ----------------------------------------------- 1996 1995 1994 ----------- ----------- ----------- Net income (loss).......................................... $17,404 $ 2,099 $(80,989) Dividends declared on Preferred Stock...................... (1,531) (1,484) - ------- ------- -------- Amount available to common shareholders.................... $15,873 $ 615 $(80,989) ======= ======= ======== Weighted average number of Common Shares Outstanding....... 31,428 29,259 23,330 ======= ======= ======== Net income (loss) per Common Share......................... $ 0.51 $ 0.02 $ (3.47) ======= ======= ======== CALCULATION OF WEIGHTED AVERAGE COMMON SHARES OUTSTANDING (IN THOUSANDS) YEARS ENDED DECEMBER 31, ----------------------------------------------- 1996 1995 1994 ----------- ----------- ----------- Shares outstanding from beginning of period................ 28,150 27,722 22,559 2,978 stock options and warrants exercised in 1996......... 1,363 - - 5,019 Common Shares issued in connection with the GARI merger on November 15, 1994............................... - - 646 144 stock options exercised in 1994........................ - - 125 428 stock options exercised in 1995........................ - 213 - 4,089 Common Shares issued in connection with the November 1996 offering of common stock............................. 607 - - Common Stock equivalents of: Series F Preferred Stock.................................. * * - Stock options and warrants................................ 1,308 1,324 - ------ ------ ------ Weighted average Common Shares outstanding................. 31,428 29,259 23,330 ====== ====== ====== * Not included in computation for the period because it has the effect of decreasing the loss per share or is antidilutive.