Exhibit 11.3 Microsemi Corporation and Subsidiaries Unaudited Earnings Per Share (in thousands, except per share data) 13 weeks ended 13 weeks ended December 31, 1995 January 1, 1995 ----------------- --------------- PRIMARY Net earnings $ 1,429 $ 1,013 ====== ====== Outstanding shares 7,796 7,615 Equivalent shares from stock options 470 356 ------ ------ Common and common equivalent shares 8,266 7,971 ====== ====== Earnings per share $ 0.17 $ 0.13 ====== ====== FULLY DILUTED Net earnings $ 1,429 $ 1,013 Interest savings from conversion of convertible debt, net of income taxes 323 333 ------ ------ $ 1,752 $ 1,346 ====== ====== Outstanding shares 7,796 7,615 Equivalent shares from stock options 470 373 Convertible shares 3,523 3,523 ------ ------ Common and common equivalent shares 11,789 11,511 ====== ====== Earnings per share $ 0.15 $ 0.12 ====== ======