MICROSEMI CORPORATION

Summary of Schedule Reconciling Selected Non-GAAP Financial Measures

to Comparable GAAP Financial Measures

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

Quarter Ended December 29, 2013

GAAP

Non-GAAP Adjustments

Non-GAAP

Net sales

$

255.6

$

—

$

255.6

Gross profit

$

138.3

$

4.8

$

143.1

Operating income

$

7.2

$

46.9

$

54.1

Net income

$

1.4

$

41.5

$

42.9

Diluted earnings per share

$

0.01

$

0.45

$

0.46

MICROSEMI CORPORATION

Consolidated Condensed Statement of Income

(unaudited, in millions, except per share amounts)

Quarter Ended

Dec 29,

2013

Sep 29,

2013

Dec 30,

2012

Net sales

$

255.6

$

250.4

$

247.6

Cost of sales

117.3

107.6

105.0

   Gross profit

$

138.3

$

142.8

$

142.6

Operating expenses

   Selling, general and administrative

$

55.6

$

49.9

$

51.3

   Research and development

44.1

43.2

43.2

   Amortization of intangible assets

22.0

21.0

21.7

   Restructuring charges

7.7

1.8

0.9

   Acquisition costs

1.7

—

—

      Total operating expenses

$

131.1

$

115.9

$

117.1

Operating income

$

7.2

$

26.9

$

25.5

Interest and other (expense), net

(7.9)

(6.7)

(8.3)

Income (loss) before income taxes

$

(0.7)

$

20.2

$

17.2

Provision (benefit) for income taxes

(2.1)

6.1

3.0

Net income

$

1.4

$

14.1

$

14.2

Earnings per share

   Basic

$

0.01

$

0.16

$

0.16

   Diluted

$

0.01

$

0.15

$

0.16

Weighted average common shares outstanding

   Basic

92.1

90.4

88.5

   Diluted

93.5

92.8

90.1