. . . EXHIBIT 11 COMPUTATION OF PER SHARE EARNINGS LANNETT COMPANY, INC AND SUBSIDIARIES STATEMENT RE COMPUTATION OF PER SHARE EARNINGS THREE MONTHS ENDED MARCH 31 2004 2004 2003 2003 ---------- ---------- ---------- ---------- Net Income Shares Net Income Shares Basic earnings per share factors $3,198,398 20,058,753 $3,255,633 19,985,031 Effect of potentially dilutive option plans and debentures: Employee stock options 207,080 132,764 ---------- ---------- ---------- ---------- Diluted earnings per share factors $3,198,398 20,265,833 $3,255,633 20,117,795 ========== ========== ========== ========== Basic earnings per share $ 0.16 $ 0.16 Diluted earnings per share $ 0.16 $ 0.16 Options to purchase 7,775 shares, 10,001 shares, 42,125 shares, 280,203 shares, 33,125 shares, 7,500 shares and 171,000 shares of common stock at $0.75 per share, $2.30 per share, $4.63 per share, $7.97 per share, $11.27 per share, $18.72 per share and $17.36 per share respectively, were outstanding at March 31, 2004. Of these options, 373,229 shares were included in the calculation of outstanding shares for the purpose of calculating diluted earnings per share. Options to purchase 15,900 shares, 10,001 shares, 50,625 shares, 292,755 shares, and 40,815 shares, of common stock at $0.75 per share, $2.30 per share, $4.63 per share, $7.97 per share and $11.27 per share respectively, were outstanding at March 31, 2003. Of these options, 369,281 shares were included in the calculation of outstanding shares for the purpose of calculating diluted earnings per share. NOTE: ALL SHARE AMOUNTS HAVE BEEN RESTATED TO REFLECT A 3 FOR 2 STOCK SPLIT, EFFECTIVE FEBRUARY 14, 2003. 35 LANNETT COMPANY, INC AND SUBSIDIARIES STATEMENT RE COMPUTATION OF PER SHARE EARNINGS NINE MONTHS ENDED MARCH 31 2004 2004 2003 2003 ----------- ---------- ---------- ---------- Net Income Shares Net Income Shares Basic earnings per share factors $10,455,330 20,049,647 $8,570,198 19,948,870 Effect of potentially dilutive option plans and debentures: Employee stock options 213,499 132,764 ----------- ---------- ---------- ---------- Diluted earnings per share factors $10,455,330 20,263,146 $8,570,198 20,081,634 =========== ========== ========== ========== Basic earnings per share $ 0.52 $ 0.43 Diluted earnings per share $ 0.52 $ 0.43 Options to purchase 7,775 shares, 10,001 shares, 42,125 shares, 280,203 shares and 33,125 shares, 7,500 shares and 171,000 shares of common stock at $0.75 per share, $2.30 per share, $4.63 per share, $7.97 per share, $11.27 per share, $18.72 per share and $17.36 per share respectively, were outstanding at March 31, 2004. Of these options, 544,229 shares were included in the calculation of outstanding shares for the purpose of calculating diluted earnings per share. Options to purchase 15,900 shares, 10,001 shares, 50,625 shares, 292,755 shares, and 40,815 shares, of common stock at $0.75 per share, $2.30 per share, $4.63 per share, $7.97 per share, $11.27 per share respectively, were outstanding at March 31, 2003. Of these options, 369,281 shares were included in the calculation of outstanding shares for the purpose of calculating diluted earnings per share. NOTE: ALL SHARE AMOUNTS HAVE BEEN RESTATED TO REFLECT A 3 FOR 2 STOCK SPLIT, EFFECTIVE FEBRUARY 14, 2003. 36