4 MagneTek, Inc. Computation of Earnings Per Common Share ---------------------------------------- FISCAL YEAR -------------------------------------- 1997 1996 1995 (in thousands, except per share amounts) PRIMARY: Weighted average shares outstanding 25,741 24,698 24,453 Dilutive stock options based upon the treasury stock method using the average market price 637 224 300 ------- ------- -------- Total 26,378 24,922 24,753 ------- ------- -------- ------- ------- -------- Net Earnings 24,075 94,164 $2,276 ------- ------- -------- ------- ------- -------- Per Share Earnings $0.91 ($3.78) $0.09 ------- ------- -------- ------- ------- -------- FULLY DILUTED: Weighted average shares outstanding 28,259 24,714 24,680 Dilutive stock options based upon the treasury stock method using the year-end market price, if higher than average market price 700 224 300 Effect of Convertible debt to equity 2,474 4,688 4,688 ------- ------- -------- Total 31,433 29,626 29,668 ------- ------- -------- ------- ------- -------- Earnings $24,075 ($94,164) $2,276 Add: Interest savings on Convertible $3,542 $3,540 $3,480 debt after tax ------- ------- -------- Net Earnings $27,617 ($90,624) $5,756 ------- ------- -------- ------- ------- -------- Per Share Earnings $0.88 * * ------- ------- -------- ------- ------- -------- * Per share amounts on a fully diluted basis have been omitted as such amounts are anti-dilutive in relation to primary per share amounts.