STOCK-BASED COMPENSATION BY TYPE OF AWARD (in thousands)

(Unaudited)

Three Months Ended March 30, 2013

  Stock Options

  Restricted Stock Units

  Employee Stock Purchase Plan

  Total

Cost of goods sold 

$                  337

$               2,120

$                  598

$               3,055

Research and development expense

1,440

7,116

1,480

10,036

Selling, general and administrative expense

1,157

4,764

601

6,522

       Total

$               2,934

$             14,000

$               2,679

$             19,613

Three Months Ended December 29, 2012

Cost of goods sold 

$                  477

$               2,572

$                  634

$               3,683

Research and development expense

2,288

8,401

1,451

12,140

Selling, general and administrative expense

1,286

5,152

584

7,022

       Total

$               4,051

$             16,125

$               2,669

$             22,845

Three Months Ended March 31, 2012

Cost of goods sold 

$                  470

$               2,217

$                  412

$               3,099

Research and development expense

1,742

8,203

1,602

11,547

Selling, general and administrative expense

1,836

5,072

484

7,392

       Total

$               4,048

$             15,492

$               2,498

$             22,038