X0306 4 2016-02-15 0 0001405495 InterDigital, Inc. IDCC 0001561140 Lau Jannie K 200 BELLEVUE PARKWAY SUITE 300 WILMINGTON DE 19809 0 1 0 0 EVP, General Counsel & Sec. Common Stock 2016-02-15 4 F 0 349 43.17 D 12986.8959 D Common Stock 2016-02-15 4 D 0 0.1639 43.17 D 12986.732 D 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 February 15, 2014 pursuant to the company's 2009 Stock Incentive Plan that vested on February 15, 2016 together with accrued dividend equivalents. The transaction reported reflects the cash settlement of a fractional share in connection with the vesting of restricted stock units, as described in Note (1). /s/ Claire H. Hanna, Attorney-in-Fact for Jannie K. Lau 2016-02-16