NATIONAL PRESTO INDUSTRIES, INC. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS Three Months and Nine Months Ended September 29, 1996 and October 1, 1995 (Unaudited) (In thousands except per share data) THREE MONTHS ENDED NINE MONTHS ENDED ------------------- ------------------ 1996 1995 1996 1995 ---- ---- ---- ---- Net Earnings $ 2,821 $ 4,797 $ 6,987 $ 9,841 Add interest expense related to convertible debenture, net of income taxes -- -- -- 160 --------- ------- ------ --------- Adjusted net earnings (1) $ 2,821 $ 4,797 $ 6,987 $ 10,001 ========= ======= ====== ========= Weighted average common shares outstanding (2) 7,352 7,346 7,352 7,346 ========= ======= ====== ========= Net earnings per common share --------- ------- ------ --------- outstanding (1/2) $ 0.38 $ 0.65 $ 0.95 $ 1.35 ========= ======= ====== =========