InterDigital Announces New 2G and 3G Patent License Agreement with Toshiba Corporation

Business Wire, Sept 22, 2004

KING OF PRUSSIA, Pa. -- InterDigital Communications Corporation (Nasdaq:IDCC), a leading architect, designer and provider of wireless technology and product platforms today announced that its patent holding subsidiaries have entered into a worldwide, non-exclusive, royalty-bearing patent license agreement with Toshiba Corporation (Toshiba) covering terminal units and infrastructure compliant with all Second Generation (2G and 2.5G) TDMA-based standards including GSM/GPRS/EDGE and all Third Generation (3G) standards including WCDMA/cdma2000(R)/TD-SCDMA. The new patent license agreement updates and expands a prior Second Generation patent license agreement between Toshiba and InterDigital Technology Corporation covering products compliant with TDMA-based standards, and now includes all Third Generation standards.

About InterDigital

InterDigital architects, designs and provides advanced wireless technologies and products that drive voice and data communications. InterDigital offers technology and product solutions for mainstream wireless applications that deliver cost and time-to-market advantages for its customers. InterDigital has a strong portfolio of patented technologies covering 2G, 2.5G and 3G standards, which it licenses worldwide. For more information, please visit InterDigital's web site: www.interdigital.com. InterDigital is a registered trademark of InterDigital Communications Corporation. cdma2000(R) is a registered trademark of the Telecommunications Industry Association (TIA-USA).

About Toshiba Corporation

Toshiba Corporation is a leader in the development and manufacture of electronic devices and components, information and communication systems, consumer products and power systems. The company's ability to integrate wide-ranging capabilities, from hardware to software and innovative services, assure its position as an innovator in diverse fields and many businesses. In semiconductors, Toshiba continues to promote its leadership in the fast growing system-on-chip market and to build on its world-class position in NAND flash memories, analog devices and discrete devices. Toshiba has approximately 161,000 employees worldwide and annual sales of over US$50 billion. Visit Toshiba's website at www.toshiba.co.jp/index.htm