EXHIBIT 11 DEL GLOBAL TECHNOLOGIES CORP. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON SHARE THREE MONTHS ENDED October 30, 1999 Per Share Net Income Shares Amount ---------- ------ ------ Basic Earnings Per Share: Income available to common shareholders $1,525,978 7,786,004 $.20 ---------- --------- ==== Effect of Dilutive Securities: Warrants 11,408 Options 374,365 ----------- --------- Diluted Earnings Per Share $ 1,525,978 8,171,777 $.19 =========== ========= ====