X0306 4 2016-02-01 0 0001405495 InterDigital, Inc. IDCC 0001324266 TRAHANAS PHILIP P 200 BELLEVUE PARKWAY SUITE 300 WILMINGTON, DE 19809 1 0 0 0 Common Stock 2016-02-01 4 A 0 3256 0.00 A 3256 D Common Stock 2016-02-01 4 A 0 1167 0.00 A 4423 D An initial award of restricted stock units granted pursuant to the company's 2009 Stock Incentive Plan in accordance with the company's compensation program for non-management directors. A prorated annual award of restricted stock units granted pursuant to the company's 2009 Stock Incentive Plan in accordance with the company's compensation program for non-management directors. /s/ Claire H. Hanna, Attorney-in-Fact for Philip P. Trahanas 2016-02-03