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 Six Months Ended June 30, June 30, 1994 1993 1994 1993 Net earnings (loss) $ 3,700 $ 1,378 $ (440) $ 3,008 Weighted average number of shares outstanding during period 5,107,934 5,105,429 5,107,469 5,105,429 Weighted average number of maximum shares subject to exercise under outstanding stock options at end of period 369,791 258,182 330,291 201,414 5,477,725 5,363,611 5,437,760 5,306,843 Less treasury shares assumed purchased with proceeds from assumed exercise of outstanding options (a) 338,546 223,490 310,438 180,906 Weighted average number of common shares and equivalent common shares out- standing after assumed exercise of options 5,139,179 5,140,121 5,127,322 5,125,937 Pro forma earnings (loss) per share based on above assumptions (b) $ .72 $ .27 $ (.09) $ .59 Earnings (loss) per share as reported $ .72 $ .27 $ (.09) $ .59 2 (a) All options are exercisable under a nonqualified plan. The proceeds from assumed exercise of options aggregated $8,087,863 and $7,165,089 in the three and six-month periods ended June 30, 1994 respectively; the proceeds from assumed erexcises aggregated $5,922,484 and $4,501,464 in the three and six-month periods ended June 30, 1993, respectively. 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.