1 Item 6. TIFFANY & CO. AND SUBSIDIARIES EXHIBIT 11 STATEMENT RE COMPUTATION OF PER SHARE EARNINGS (Unaudited) (in thousands, except per share data) For the For the Three Months Ended Nine Months Ended October 31, October 31, ----------------------- ----------------------- 1997 1996 1997 1996 ------- ------- ------- ------- PRIMARY EARNINGS PER SHARE: Net earnings on which primary earnings per share are based $11,463 $ 9,347 $30,723 $22,670 ======= ======= ======= ======= Weighted average number of common shares 35,099 34,488 34,937 33,398 Add: Weighted average effect of the exercise of stock options 1,187 1,357 1,242 1,256 ------- ------- ------- ------- Weighted average number of shares on which primary earnings are based 36,286 35,845 36,179 34,654 ======= ======= ======= ======= Primary net earnings per common share $ 0.32 $ 0.26 $ 0.85 $ 0.65 ======= ======= ======= ======= FULLY DILUTED EARNINGS PER SHARE: Net earnings on which primary earnings per share are based $11,463 $ 9,347 $30,723 $22,670 Add: Interest and fees on convertible subordinated debt, net of applicable income taxes -- -- -- 682 ------- ------- ------- ------- Net earnings on which fully diluted earnings per share are based $11,463 $ 9,347 $30,723 $23,352 ======= ======= ======= ======= Weighted average number of common shares on which fully diluted earnings are based 36,286 35,845 36,208 34,755 Add: Shares assumed upon conversion of convertible debt, using the "if converted" method -- -- -- 920 ------- ------- ------- ------- Weighted average number of shares used in calculating fully diluted earnings per share 36,286 35,845 36,208 35,675 ======= ======= ======= ======= Fully diluted net earnings per common share $ 0.32 $ 0.26 $ 0.85 $ 0.65 ======= ======= ======= =======