HERLEY INDUSTRIES, INC. AND SUBSIDIARIES Exhibit 11 COMPUTATION OF PER SHARE EARNINGS Thirteen weeks ended ------------------------------------------ May 4, 1997 April 28, 1996 --------------- ------------------ Primary Fully Diluted Primary Fully Diluted ----------- ------------- ----------- ------------- Net Income $ 1,450,567 $ 1,450,567 $ 777,477 $ 777,477 =========== =========== =========== =========== Weighted average shares outstanding: Shares outstanding from beginning of period 3,115,846 3,115,846 2,802,274 2,802,274 Shares issued for options exercised 71,942 71,942 11,326 11,326 Treasury shares acquired (57,765) (57,765) (16,608) (16,608) Common equivalents - options and warrants 383,061 383,061 222,116 222,116 Common equivalents - using period end price -- -- -- 137,794 ----------- ----------- ----------- ----------- Weighted average common and common equivalent shares outstanding 3,513,084 3,513,084 3,019,108 3,156,902 =========== =========== =========== =========== Earnings per common and common equivalent share: $ .41 $ .41 $ .26 $ .25 =========== =========== =========== =========== Forty weeks ended Thirty-nine weeks ended May 4, 1997 April 28, 1996 ----------------- ----------------------- Primary Fully Diluted Primary Fully Diluted ----------- ------------- ---------- ------------- Adjustment of net income: Net Income $ 3,101,874 $ 3,101,874 $ 2,830,457 $ 2,830,457 Add elimination of interest, net of tax benefit, under the modified treasury stock method -- -- 77,222 -- ----------- ----------- ----------- ----------- Adjusted net income $ 3,101,874 $ 3,101,874 $ 2,907,679 $ 2,830,457 =========== =========== =========== =========== Weighted average shares outstanding: Shares outstanding from beginning of period 2,936,122 2,936,122 3,015,988 3,015,988 Shares issued for options exercised 213,690 213,690 3,775 3,775 Treasury shares acquired (95,240) (95,240) (200,122) (200,122) Common equivalents - options and warrants 481,016 481,016 548,063 548,063 Common equivalents - using period end price -- -- -- 53,567 ----------- ----------- ----------- ----------- Weighted average common and common equivalent shares outstanding 3,535,588 3,535,588 3,367,704 3,421,271 =========== =========== =========== =========== Earnings per common and common equivalent share: $ .88 $ .88 $ .86 $ .83 =========== =========== =========== ===========