EXHIBIT 11 Marks Bros. Jewelers, Inc. Computation of Per Share Earnings (amounts in thousands, except per share earnings) Year Ended ----------------------------------------------- Jan. 31, Jan. 31, Jan. 31, 1997 1996 1995 ------- ------- ------- Primary and fully diluted earnings per share: Income before extraordinary item $ 7,343 $16,972 $ 571 Extraordinary item, net 10,057 -- -- ------- ------- ------- Net income $17,400 $16,972 $ 571 ------- ------- ------- Average shares outstanding 7,864 4,719 4,544 Additional shares of Class B Shares assuming conversion 3 10 14 Common share equivalents under the 1995 Option Plan assuming the treasury stock method 496 646 646 Common share equivalents under the 1996 Option Plan assuming the treasury stock method 145 -- -- ------- ------- ------- Average number of common shares and common share equivalents outstanding 8,508 5,375 5,204 ======= ======= ======= Income before extraordinary item per share $ 0.87 $ 3.16 $ 0.11 Extraordinary item, net of taxes per share 1.18 -- -- ------- ------- ------- Net income per share $ 2.05 $ 3.16 $ 0.11 ======= ======= =======