EXHIBIT 11.1 ESPEY MFG. & ELECTRONICS CORP. Computation of per Share Net Income as Disclosed in Item 13 of Form 10-K Five years ended June 30, 2009 2008 2007 2006 2005 ------------ ------------ ------------ ------------ ------------ Computation of net income per share: BASIC Weighted average number of primary shares outstanding 2,107,643 2,079,734 2,048,626 2,012,761 2,021,234 ============ ============ ============ ============ ============ Net income ................ $ 2,733,240 $ 3,421,869 $ 2,544,720 $ 1,558,016 $ 978,920 ============ ============ ============ ============ ============ Per share-basic ........... $ 1.30 $ 1.65 $ 1.24 $ .77 $ .48 ============ ============ ============ ============ ============ DILUTED Weighted average number of primary shares outstanding 2,113,798 2,103,836 2,077,664 2,049,455 2,043,208 ============ ============ ============ ============ ============ Net effect of dilutive stock options based on treasury stock method ........... 6,155 24,102 29,038 36,694 21,974 ============ ============ ============ ============ ============ Net income ................ $ 2,733,240 $ 3,421,869 $ 2,544,720 $ 1,558,016 $ 978,920 ============ ============ ============ ============ ============ Per share-diluted ......... $ 1.29 $ 1.63 $ 1.23 $ .76 $ .48 ============ ============ ============ ============ ============ 30