MICROSEMI CORPORATION

Selected GAAP and Non-GAAP Financial Measures

(unaudited, in millions, except for percentages and per share amounts)

Quarter Ended

Dec 29,

2013

Sep 29,

2013

Dec 30,

2012

Net sales

$

255.6

$

250.4

$

247.6

Selected GAAP Financial Measures

Gross profit

$

138.3

$

142.8

$

142.6

Gross margin

54.1%

57.0%

57.6%

Operating income

$

7.2

$

26.9

$

25.5

Operating margin

2.8%

10.7%

10.3%

Net income

$

1.4

$

14.1

$

14.2

Diluted earnings per share

$

0.01

$

0.15

$

0.16

Selected Non-GAAP Financial Measures

Gross profit

$

143.1

$

142.8

$

142.6

Gross margin

56.0%

57.0%

57.6%

Operating income

$

54.1

$

59.2

$

56.7

Operating margin

21.2%

23.6%

22.9%

Net income

$

42.9

$

49.1

$

45.0

Diluted earnings per share

$

0.46

$

0.53

$

0.50