EXHIBIT 11 GENRAD, INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS (UNAUDITED) Three Months Ended Twelve Months Ended ---------------------------- ---------------------------------- January 3, December 28, January 3, December 28, 1998 1996 1998 1996 BASIC: --------------------------- ---------------------------------- - ------ Weighted average number of common shares outstanding 27,310,000 24,474,000 26,814,000 22,488,000 =========== =========== =========== =========== Net income available to common stockholders $12,052,000 $9,665,000 $41,295,000 $27,335,000 =========== =========== =========== =========== Basic earnings per share $0.44 $0.39 $1.54 $1.22 =========== =========== =========== ============ DILUTED: - -------- Weighted average number of common shares outstanding 27,310,000 24,474,000 26,814,000 22,488,000 Weighted average incremental shares from assumed conversion of stock options 2,311,000 2,270,000 1,974,000 2,015,000 Weighted average incremental shares from assumed conversion of 7 1/4% convertible subordinated debentures -- 1,491,000 -- 2,981,000 ----------- ----------- ----------- ----------- Total: 29,621,000 28,235,000 28,788,000 27,484,000 =========== =========== =========== =========== Net income $12,052,000 $9,665,000 $41,295,000 $27,335,000 Assumed reduction of 7 1/4% convertible subordinated debenture interest expense -- 480,000 -- 3,131,000 ----------- ----------- ----------- ----------- Net income and total earnings applicable to common shares and common equivalent shares $12,052,000 $10,145,000 $41,295,000 $30,466,000 =========== =========== =========== ============ Diluted earnings per share $0.41 $0.36 $1.43 $1.11 =========== =========== =========== ============