2013 FOURTH QUARTER OUTLOOK

RECONCILIATION OF R&D AND SG&A EXPENSES TO NON-GAAP R&D AND SG&A EXPENSES

(Unaudited, in thousands)

Three months ending December 31, 2013

Low

High

R&D and SG&A

$ 25,000

$ 26,800

Adjustments to reconcile R&D and SG&A to non-GAAP R&D and SG&A

    Stock-based compensation and deferred compensation plan expense

(5,000)

(5,800)

    Non-GAAP R&D and SG&A

$ 20,000

$ 21,000