ICAP Patent Brokerage is Offering New Freedom to Operate Agreements to Companies Currently in Litigation with Walker Digital

NEW YORK, May 3, 2011 - Following the record success of the sale of Round Rock Research's
Covenant Not to Sue at ICAP's recent auction for $38.5 million, ICAP Patent
Brokerage presents a limited offer of new Freedom to Operate Agreements from
Walker Digital LLC. These new agreements are specifically designed for
companies currently in litigation with Walker Digital and provide the
purchaser with the ability to eliminate the uncertainty inherent in
litigation and to effectively manage their corporate risk. The covenants are
available through ICAP's auction platform and can also be purchased
immediately.

"The sale of the Round Rock Research Covenant Not to Sue demonstrates a
need for operating companies to efficiently, and anonymously, eliminate the
risk of patent litigation," said Dean Becker, CEO of ICAP Patent Brokerage.
"The Walker Digital Freedom to Operate Agreements will provide the same
opportunity to at risk operating companies, and should be considered a
valuable risk management tool to those companies and their shareholders."

A limited number of these agreements are available for purchase. For more
information, contact Dean Becker at Dean.Becker@us.icap.com or
+1-561-309-0011.

Media Contact: Dean Becker +1-561-309-0011, Dean.Becker@us.icap.com.

About ICAP Patent Brokerage

ICAP Patent Brokerage is the intellectual property brokerage division of
ICAP and the world's premier patent auction firm.

About ICAP

ICAP is the world's premier interdealer broker and provider of post trade
services. The Group matches buyers and sellers in the wholesale markets in
interest rates, credit, commodities, foreign exchange, emerging markets,
equities and equity derivatives through voice and electronic networks. ICAP
plc was added to the FTSE 100 Index on 30 June 2006. For more information go
to www.icap.com.

.