EXHIBIT 11 ADE CORPORATION STATEMENT REGARDING COMPUTATION OF NET INCOME PER SHARE Three months ended Nine months ended January 31, January 31, ------------------------ ------------------------ 1997 1996 1997 1996 ---- ---- ---- ---- (unaudited) (unaudited) Net income $3,061,000 $2,224,000 $8,448,000 $5,226,000 ========== ========== ========== ========== Weighted average common and common equivalent shares outstanding during the period 8,050,000 8,063,000 8,015,000 6,892,000 Shares issuable pursuant to Staff Accounting Bulletin No. 83 (SAB 83) using treasury stock method -- -- -- 82,000 Shares used in computation 8,050,000 8,063,000 8,015,000 6,947,000 ========== ========== ========== ========== Net income per share $ 0.38 $ 0.28 $ 1.05 $ 0.75 ========== ========== ========== ========== 14