InterDigital Inc (IDCC)

[nieves]

InterDigital will host a conference call on Tuesday, February 11, at 10:00 a.m.
Eastern Standard Time to discuss its fourth quarter and full year 2002 operating
results and its outlook for the future. For listen-only access to the conference
call within the U.S. please dial [phone] by 9:50 a.m. Eastern Standard
Time on February 11 and ask the operator for the InterDigital Fourth Quarter
Financial Call.

Participants calling from outside the U. S. should dial [phone].

InterDigital also will provide live access to the call on its web site at:
www.interdigital.com. The Company encourages participants to take advantage of
the Internet option if possible. For the live Internet broadcast, click on the
microphone icon next to "Live Web Cast" on the Home Page and you will link to
the web cast.