X0305 4 2012-05-09 0 0001405495 InterDigital, Inc. IDCC 0001231579 BREZSKI RICHARD 781 THIRD AVENUE KING OF PRUSSIA PA 19406 0 1 0 0 Chief Financial Officer Common Stock 2012-05-09 4 A 0 926 0.00 A 6475.1789 D Common Stock 2012-05-09 4 A 0 3000 0.00 A 9475.1789 D Common Stock 2012-05-09 4 F 0 306 27.00 D 9169.1789 D Common Stock 1639 I By 401(k) Plan Restricted stock units granted pursuant to the company's 2009 Stock Incentive Plan in accordance with the company's Long-Term Compensation Program. Restricted stock units granted pursuant to the company's 2009 Stock Incentive Plan. The transaction reported reflects the withholding of restricted stock units in satisfaction of the reporting person's tax liability. The restricted stock units were part of an award granted to the reporting person on May 9, 2012 pursuant to the company's 2009 Stock Incentive Plan and also reported in this Form 4 and that vested, in part, immediately. As of the most recently published account statement, the reporting person beneficially owned this number of whole shares of common stock pursuant to the InterDigital Savings and Protection Plan. /s/ Claire H. Hanna, Attorney-in-Fact for Richard J. Brezski 2012-05-11