Exhibit 11.01 Hologic, Inc. and Subsidiaries Statement RE: Computation of Earnings Per Share Fiscal years ended PRIMARY: September 24, September 30, September 28, 1994 1995 1996 Net Income $4,767,944 $3,348,256 $11,356,866 ========== ========== =========== Weighted average number of common shares outstanding 8,892,393 9,201,947 11,698,371 Common Stock equivalents outstanding pursuant to treasury stock method 462,662 628,690 825,612 ------- ------- ------- Weighted average number of common and common equivalent shares outstanding 9,355,055 9,830,637 12,523,983 ========= ========= ========== Per share amount $0.51 $0.34 $0.91 ===== ===== ===== FULLY DILUTED: Net Income $4,767,944 $3,348,256 -- ---------- ---------- ------------- Weighted average number of common shares outstanding 8,892,393 9,201,947 Common Stock equivalents outstanding pursuant to treasury stock method 756,454 1,027,782 -- ---------- ---------- ------------- Weighted average number of common and common equivalent shares outstanding 9,648,847 10,229,729 -- =========== ========== ============= Per share amount $0.49 $0.33 -- ===== ===== =============