InterDigital and Sierra Wireless Expand Worldwide Patent License Agreement to Cover 4G Standards

KING OF PRUSSIA, Pa. -- February 23, 2012-- InterDigital, Inc. (NASDAQ: IDCC) today announced that its patent holding subsidiaries have entered into an amendment of its worldwide royalty-bearing patent license agreement with Sierra Wireless, Inc. to include a license for products designed to operate in accordance with 4G wireless technologies, including LTE, LTE-Advanced, and WiMax™.

"We are pleased to add Sierra Wireless to our list of licensees with coverage under our portfolio to sell 4G products," commented Lawrence Shay, President of InterDigital's patent holding subsidiaries. "Sierra Wireless offers a comprehensive portfolio of mobile computing and machine-to-machine (M2M) communications products and solutions and is a proven leader in bringing new innovative 4G products to market. We are pleased to have come to an expanded agreement with them in a timely fashion."

About InterDigital

InterDigital develops fundamental wireless technologies that are at the core of mobile devices, networks, and services worldwide. We solve many of the industry's most critical and complex technical challenges, inventing solutions for more efficient broadband networks and a richer multimedia experience years ahead of market deployment. InterDigital has licenses and strategic relationships with many of the world's leading wireless companies.

For more information, visit www.interdigital.com.

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