Exhibit 11 SPS TECHNOLOGIES, INC. AND SUBSIDIARIES Computation of Dilution (Anti-dilution) of Earnings Per Share Resulting from Common Stock Equivalents (Thousands of dollars except share data) The following calculation is submitted in accordance with the Securities Exchange Act of 1934 although not required by Opinion No. 15 of the Accounting Principles Board as it results in dilution of less than 3%, or is anti-dilutive: Three Months Ended March 31, 1994 1993 Net earnings (loss) $ (4,140) $ 1,630 Weighted average number of shares outstanding during period 5,106,961 5,105,429 Weighted average number of maximum shares subject to exercise under outstanding stock options at end of period 290,791 144,645 5,397,752 5,250,074 Less treasury shares assumed purchased with proceeds from assumed exercise of outstanding options (a) 282,330 138,323 Weighted average number of common shares and equivalent common shares outstanding after assumed exercise of options 5,115,422 5,111,751 Pro forma earnings (loss) per share based on above assumptions (b) $ (.81) $ .32 Earnings (loss) per share as reported $ (.81) $ .32 2 (a) All options are exercisable under a nonqualified plan. The proceeds from assumed exercise of options aggregated $6,242,315 and $3,080,445 in the three-month periods ended March 31, 1994 and 1993; the proceeds and number of treasury shares assumed purchased were determined on the most likely exercise assumption. (b) Pro forma earnings per share assuming full dilution are not presented separately since there would be no additional dilutive effect, or the effect would be anti-dilutive.