BARCELONA, Spain, February 12 /PRNewswire/ --

MOBILE WORLD CONGRESS -- NeuStar, Inc. (NYSE: NSR) today announced that
it is working with leading Instant Messaging (IM) provider ICQ to bring
increased levels of interconnection to mobile Instant Messaging users.

Mobile network operators that wish to provide their mobile IM communities
with access to ICQ's 28 million IM users worldwide will now be able to
connect their mobile IM users to ICQ's users through NeuStar's market-leading
Interconnect services, as well as via NeuStar's industry-leading Mobile
Messaging Gateway (MMG) services.

Allen Scott, general manager of NeuStar Next Generation Messaging (NGM),
said: "NeuStar's vision is of a world in which anyone can communicate through
Instant Messaging regardless of geography, network, or technology. This
development with ICQ brings this vision a step closer. Our aim is to
interconnect communities and to make messaging with 'anyone, anywhere' simple
and intuitive. Providing operator communities with access to users of ICQ
Instant Messaging service is a big step to bringing true interconnection to
mobile IM."

Ofer Oved, vice president of ICQ, said: "ICQ is delighted to be offering
its user base the opportunity to message with mobile operator communities.
NeuStar's experience in mobile IM, combined with their understanding of the
mobile environment and what works within it, makes them an ideal partner to
implement ICQ's mobile vision -- that is, to treat the users as a dynamic
community and to provide them with a complete, seamless, and simple IM
solution."

About NeuStar, Inc. and NeuStar Next Generation Messaging

NeuStar, Inc. (NYSE: NSR) is a provider of clearinghouse and directory
services to the global communications and Internet industry. In November
2006, NeuStar created its Next Generation Messaging Services by acquiring
Followap Inc., a leading global provider of instant messaging, presence and
interconnect services.

Mobile network operators around the world trust NeuStar to enable
real-time communications using presence information. NeuStar has enabled
mobile instant messaging solutions for operators that have more than 300
million subscribers in total, and NeuStar's customers include many of the
leading operators from across the globe.

NeuStar, Inc. is headquartered in the United States, with subsidiary
offices in Europe and Asia. For more information, please visit
www.neustar.biz and www.neustar.biz/ngm.

About ICQ

ICQ is a leading instant messaging service provider with a global online
communications community. The company's robust instant messaging software,
enhanced communications features and dynamic community are available in 29
languages free of charge at www.icq.com. ICQ, created in 1996 by the
Israel-based company, Mirabilis, is now wholly owned by AOL LLC. ICQ and the
flower logo are registered trademarks of AOL LLC in the USA and other
countries in the world.

Web site: http://www.neustar.biz
              http://www.neustar.biz/ngm
              http://www.icq.com