Re: Toshiba Collaboration

Arc International PLC
31 March 2008

Media Contact:

Lee Garvin Flanagin                         Corporate Communications Office
ARC International                           Toshiba Corporation
[phone]                             [phone]
[e-mail]                        www.toshiba.co.jp/contact/media.htm


                      ARC and Toshiba Extend Collaboration
                      To Develop Next Generation Multicore
                       Configurable Processor Technology

SAN JOSE, Calif. and St. ALBANS England, March 31, 2008 - ARC International
(LSE: ARK) today announced that it has extended the collaboration with Toshiba
that begun in 2006 to develop configurable multi-processor technology.  As part
of the agreement, Toshiba has extended their license for the ARChitect(TM)
Processor Configurator, which offers a comprehensive set of design tools and
resources to produce highly optimized processor designs.  Details of the new
engagement and examples of real-world applications including Toshiba's
configurable solutions will be provided in an executive presentation by Toshiba
at the Multicore Expo Conference in Silicon Valley on April 2nd, 2008.

Takashi Yoshimori, Technology Executive for system-on-chip design of Toshiba's
Semiconductor Company, said, "We are pleased with the ongoing collaboration and
joint development work with ARC.  This new agreement represents the next phase
of the Toshiba and ARC relationship and underscores the importance that
configurability plays in the development of Toshiba's SoCs for audio and video
applications."

Bill Jackson, ARC's vice president of marketing, said, "Using configurable
multicore technologies, Toshiba and ARC together are fueling the advancement of
next-generation multimedia solutions.  The deepening partnership with Toshiba is
a testament to the effectiveness of our joint efforts, and ARC looks forward to
extending the companies' leadership in consumer electronics."

About the ARChitect(TM)Processor Configurator

ARChitect is a revolutionary configuration tool that enables customers to unlock
the power of ARC's patented configurable processors and multimedia subsystems.
Using ARChitect's GUI-based development environment and simple drag-and-drop
menu, chip designers select from over 20,000 pre-configured options and/or
create optimized custom extensions.  In minutes, ARChitect generates highly
differentiated, proprietary configurable processors or subsystems that consume
less power, are smaller, and can be manufactured at a lower cost than
alternative solutions.

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About ARC International plc
ARC International is the world leader in multimedia subsystems and configurable
CPU/DSP processors.  Used by over 140 companies worldwide, ARC's configurable
solutions enable the creation of highly differentiated system-on-chips (SoCs)
that ship in hundreds of millions of devices annually.  ARC's patented
subsystems and cores are smaller, consume less power, and are less expensive to
manufacture than competing products.

ARC International maintains a worldwide presence with corporate and research and
development offices in San Jose and Lake Tahoe, Calif., St. Albans, England, and
St. Petersburg, Russia.  For more information visit www.ARC.com.  ARC
International is listed on the London Stock Exchange as ARC International plc
(LSE: ARK).

ARC, the ARC logo, and ARChitect are trademarks or registered trademarks of ARC
International. All other brands or product names contained herein are the
property of their respective owners. This press release may contain certain
"forward-looking statements" that involve risks and uncertainties, including the
development, implementation, and release of features described herein. These are
at the sole discretion of ARC International. Licenses from 3rd parties for
certain software and essential patents may be required depending on licensee's
use/implementation. For other factors that could cause actual results to differ,
visit the company's Website as well as the listing particulars filed with the
United Kingdom Listing Authority and the Registrar of Companies in England and
Wales.



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