New Licensing Agreements

Arc International PLC
06 March 2007



Media Contact:
Lee Garvin Flanagin
ARC International
[phone]
[e-mail]



   ARC Announces New Licensing Agreements with Leading European Semiconductor
                           Companies and Design Teams



        ARC's Configurable Subsystems and Processors Driving High-Growth
             Applications Including Multimedia, GPS, and Networking



ELSTREE, England, March 6, 2007 - ARC International (LSE: ARK), the world leader
in configurable subsystems and CPU/DSP processors, today announced new licensing
agreements with leading European semiconductor companies and system-on-chip
(SoC) design teams.  All have adopted ARC's patented configurable Media
Subsystems or processors for a variety of media, global positioning system
(GPS), and home connectivity-centric chip designs.



These customers join ARC's growing base of customers that has close to doubled
in the past two years.  Today, almost 140 companies worldwide rely upon ARC's
configurable solutions to reduce the design cost of next-generation chip
development.  Also reference companion press release announced today by ARC
International about customer IP Wireless.



NemeriX S.A.

NemeriX is a venture-backed fabless semiconductor company specializing in
ultra-low-power RF and baseband ICs for the rapidly expanding GPS and wireless
industries. Using a unique combination of innovative silicon architectures and
full-custom layout techniques, the Nemerix chipset is one of the world's lowest
power GPS solutions available today.



NemeriX has standardized its ongoing development efforts on the ARC 600
configurable core family to create GPS chipsets that offer a smaller form factor
and lower power consumption than competitive offerings.  In addition to
leveraging ARC's leading configurable processor technology, NemeriX utilized
Cadence's Encounter(R) digital IC platform to reduce power consumption in its
ARC-BasedTM design by close to fifty percent.



Semtech Corporation

Semtech Corporation is a leading supplier of high-quality analog and
mixed-signal semiconductor products. The company's UK-based design team has
taken a license for an ARC configurable processor.  Semtech's solutions are
employed in communications, computer and computer-peripheral, automated test
equipment, industrial, and other commercial applications.



SiConnect, Limited

SiConnect, a leading suppler of in-home power line communications (PLC), has
taken a license for a configurable ARC product to develop their next-generation
of products. SiConnect's innovative POEM technology enables existing domestic
electrical wiring to be used to transport audio, video, voice, and data
throughout the home.  Working in partnership with blue chip telecommunication
operators, cable companies and consumer electronics manufacturers, SiConnect is
creating new benchmarks for PLC technology that achieve all-capacity,
reliability, ease-of-use, and cost-point requirements.



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About ARC International plc

ARC International is the world leader in configurable subsystems and CPU/DSP
processors that are used by semiconductor companies worldwide to create
system-on-chip (SoC) designs that provide a strategic competitive advantage.
ARC's patented configurable products are smaller, consume less power, are less
expensive to manufacture, and provide a higher degree of differentiation over
what can be created using "fixed architecture" core alternatives.



ARC International maintains a worldwide presence with corporate and research and
development offices in California and Elstree, UK. For more information visit
www.ARC.com.  ARC International is listed on the London Stock Exchange as ARC
International plc (LSE: ARK).



ARC and the ARC logo 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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            The company news service from the London Stock Exchange