EXHIBIT 11 DEL GLOBAL TECHNOLOGIES CORP. AND SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON SHARE THREE AND SIX MONTHS ENDED JANUARY 30, 1999 AND JANUARY 31, 1998 Three Months Ended Six Months Ended January 30, 1999 January 30, 1999 -------------------------------- --------------------------------- Per Per Share Share Net Income Shares Amount Net Income Shares Amount ---------- ------ ------ ---------- ------ ------ Basic Earnings Per Share: Income available to common shareholders $1,604,444 7,648,308 $.21 $3,033,531 7,648,361 $.40 ==== ==== Effect of Dilutive Securities: Warrants 15,881 14,177 Options 541,411 511,540 ---------- ---------- ---------- ---------- Diluted Earnings Per Share $1,604,444 8,205,600 $.20 $3,033,531 8,174,078 $.37 ========== ========== ==== ========== ========== ==== Three Months Ended Six Months Ended January 31, 1998 January 31, 1998 -------------------------------- --------------------------------- Per Per Share Share Net Income Shares Amount Net Income Shares Amount ---------- ------ ------ ---------- ------ ------ Basic Earnings Per Share: Income available to common shareholders $1,362,480 7,472,140 $.18 $2,619,467 7,455,775 $.35 ==== ==== Effect of Dilutive Securities: Warrants 17,938 19,718 Options 682,207 696,649 ---------- ---------- ---------- ---------- Diluted Earnings Per Share $1,362,480 8,172,285 $.17 $2,619,467 8,172,142 $.32 ========== ========== ==== ========== ========== ====