National Presto Industries, Inc. EXHIBIT 11 Statement Re Computation of Per Share Earnings The following presents the computation of per share earnings reflecting the assumption that the granted shares under the 1988 Stock Option Plan will be exercised. (IN THOUSANDS EXCEPT PER SHARE DATA) Second Quarter First Six Months -------------- ---------------- 1997 1996 1997 1996 ------- ------- ------- ------- Net Earnings (1) $ 2,640 $ 2,236 $ 5,218 $ 4,166 ======= ======= ======= ======= Weighted average common shares outstanding 7,354 7,352 7,354 7,352 Common equivalent shares from the assumed exercise of stock options 5 3 5 3 ------- ------- ------- ------- Adjusted common and common equivalent shares for computation (2) 7,359 7,355 7,359 7,355 ======= ======= ======= ======= Net earnings per common and common equivalent shares outstanding (1/2) $ 0.36 $ 0.31 $ 0.71 $ 0.57 ======= ======= ======= =======