Exhibit 11.5 Microsemi Corporation and Subsidiaries Unaudited Earnings Per Share For the thirteen and thirty-nine weeks ended June 30, 1996 and July 2, 1995 (in thousands, except per share data) 13 Weeks ended 39 Weeks ended June 30, July 2, June 30, July 2, 1996 1995 1996 1995 PRIMARY Net income $ 2,339 $ 1,698 $ 5,596 $ 4,059 ======= ======= ======= ======= Outstanding shares 7,841 7,670 7,841 7,670 Equivalent shares from stock options 418 429 432 383 ------- ------- ------- ------- Primary common and common equivalent shares 8,259 8,099 8,273 8,053 ======= ======= ======= ======= Primary earnings per share $ 0.28 $ 0.21 $ 0.68 $ 0.50 ======= ======= ======= ======= FULLY DILUTED Net income $ 2,339 $ 1,698 $ 5,596 $ 4,059 Interest savings from conversion of convertible debt 323 334 969 1,000 ------- ------- ------- ------- Fully diluted net income $ 2,662 $ 2,032 $ 6,565 $ 5,059 ======= ======= ======= ======= Outstanding shares 7,841 7,670 7,841 7,670 Equivalent shares from stock options 418 559 432 559 Convertible shares 3,523 3,523 3,523 3,523 ------- ------- ------- ------- Fully diluted common and common equivalent shares 11,782 11,752 11,796 11,752 ======= ======= ======= ======= Fully diluted earnings per share $ 0.23 $ 0.17 $ 0.56 $ 0.43 ======= ======= ======= =======