Unaudited Reconciliation of GAAP to Non-GAAP Financial Measures

(In thousands, except per share data)

Non-GAAP Income
Statement Items

Three Months Ended

December 29, 2018

GAAP

Measure

GAAP
Percent of
Revenue

Stock
Compensation
Expense

Intangible Asset
Amortization

Non-GAAP
Measure

Non-GAAP
Percent of
Revenue

Revenues

$215,534

Gross margin

130,243

60.4%

$     323

$        --

$130,566

60.6%

Research and

   development

62,933

29.2%

6,413

7,760

48,760

22.6%

Selling, general and

   administrative

48,948

22.7%

6,447

3,020

39,481

18.4%

Operating income

18,362

8.5%

13,183

10,780

42,325

19.6%

Three Months Ended

December 29, 2018

GAAP
Measure

Stock
Compensation
Expense*

Intangible
Asset
Amortization*

Termination Costs
and Fair Value
Adjustments *

Non-cash
Interest
Expense*

Income Tax
Adjustments

Non-GAAP
Measure

Net income

$15,145

$13,183

$10,780

$2,785

$2,880

$39,996

Diluted shares

   outstanding

43,774

43,774

Diluted earnings

   per share

$    0.35

$    0.91

* Represents pre-tax amounts