EXHIBIT 11 ADTRAN, INC. STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS FOR THE YEARS ENDED DECEMBER 31, 1994, 1995 AND 1996 1994 1995 1996 ----------- ----------- ----------- Weighted average common shares outstanding 33,213,678 36,984,156 38,603,289 Net weighted average common stock options outstanding under the treasury stock method 2,918,262 2,305,351 962,801 ----------- ----------- ----------- Weighted average common and common equivalent shares outstanding 36,131,940 39,289,507 39,566,090 =========== =========== =========== Net income (pro forma) $18,608,605 $29,457,727 $39,819,904 =========== =========== =========== Net income per common and common equivalent share (pro forma) $ 0.52 $ 0.75 $ 1.01 =========== =========== ===========