RPX Completes Syndicated Transaction With Graphics Properties Holdings

RPX Completes Syndicated Transaction With Graphics Properties Holdings

Acquisition of Silicon Graphics Portfolio Eliminates Patent Risk for
Participating RPX Clients

SAN FRANCISCO, Jan. 24, 2013 (GLOBE NEWSWIRE) -- RPX Corporation
(Nasdaq:RPXC), a leading provider of patent risk management solutions,
announced that it has completed a syndicated patent acquisition and licensing
transaction with Graphics Properties Holdings, Inc., formerly Silicon
Graphics, Inc. Silicon Graphics was highly regarded for its innovations in the
field of 3D graphics rendering and graphics processing. The GPH portfolio
covers display technology used in smartphones, tablets, personal computers,
media players and other devices.

In the transaction, which closed in December, RPX secured licenses under the
GPH patent portfolio, as well as dismissals from pending patent litigation for
nine RPX clients that participated in the syndicate. RPX also acquired more
than 180 GPH patents that were not yet in litigation, as well as the right to
acquire licenses under the litigation patents for prospective RPX clients. The
transaction creates value for the broader RPX client network by removing the
threat of significant patents from the marketplace.

"This structured transaction, our sixteenth to date, is a direct result of
RPX's unique position in the patent market," said John A. Amster, Chief
Executive of RPX. "By working together with our clients, RPX built a syndicate
that cleared patent risk without protracted, expensive, and risky litigation.
RPX's strong client network and significant syndicated transaction expertise
are essential to making such transactions possible."

Patent assertions related to graphics display portfolios have more than
doubled each year since 2010, reflecting the proliferation of display
technologies vital to a wide spectrum of consumer electronics. As the demand
for graphics and flat panel technologies continue to rise, NPE activity and
the associated patent risks have increased.

As of September 30, 2012, RPX had invested over $500 million to acquire more
than 2,950 US and international patent assets and rights, and had a client
network of 128 members active in seven key sectors: consumer electronics and
PCs, E-commerce and software, financial services, media content and
distribution, mobile communications and devices, networking, and
semiconductors.

About RPX Corporation

RPX Corporation (Nasdaq:RPXC) is a leading provider of patent risk solutions,
offering defensive buying, acquisition syndication, patent intelligence,
insurance services, and advisory services. Since its founding in 2008, RPX has
introduced efficiency to the patent market by providing a rational alternative
to litigation. The San Francisco-based company's pioneering approach combines
principal capital, deep patent expertise, and client contributions to generate
enhanced patent buying power. By acquiring patents and patent rights, RPX
helps to mitigate and manage patent risk for its growing client network.

CONTACT: Media Contact:
         Kaustuva Das
         RPX Corporation
         +1.415.529.3105
         media@rpxcorp.com
        
         Investor Relations Contact:
         JoAnn Horne
         Market Street Partners
         +1.415.445.3233
         ir@rpxcorp.com

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