Directorate Change

ARC International plc
                  

       ARC International plc Appointment of New Chief Executive

The Board of Directors of ARC International plc (LSE:ARK), a world
leader in user-customizable processors, peripheral IP, and development
tools for System-on-Chip (SoC) design, and real-time operating systems
for embedded control, today announces the appointment of Carl
Schlachte as Chief Executive. He will assume his role with immediate
effect and be based at the Company's San Jose, California
headquarters.

As a result of today's announcement, Dr. Peter van Cuylenburg, Interim
Chief Executive since December 2003, will resume his position as
Non-Executive Chairman. Dr. van Cuylenburg commented:

"We are delighted that Carl has accepted the Board's offer to join ARC
International as Chief Executive. He has an extensive background in
the semiconductor IP and microprocessor businesses, through his
experience at ARM and Motorola, as well as having been CEO of two
fabless semiconductor companies. Carl's strong track record and
industry knowledge will be instrumental in leading ARC in the
implementation of its new strategic direction announced on February
4th of this year."

Carl Schlachte, CEO of ARC commented: "I share ARC's vision of the
increasing importance of application-specific SoC design solutions and
believe that the company's industry-leading new processor products
position it strongly for success in this growing market."

Carl Schlachte, 40, brings with him 20 years experience in the
semiconductor industry. He joins ARC from Raza Microelectronics
following its acquisition of Sandcraft, a fabless semiconductor
provider of high performance microprocessors where Carl held the
position of President and CEO. Prior to Sandcraft, Carl served as
Chairman and CEO of BOPS Inc., a semiconductor company focused on the
development of high-performance digital signal processing
technologies.

Previously, Carl worked for ARM Holdings plc, where he held the
positions of Vice President of North America and Embedded Business
Development Manager. Carl also spent 11 years working for Motorola in
the Semiconductor Products Sector where he held positions of
increasing responsibility in the sales function. He holds a BS degree
in Computer Science from Clemson University.

Supplementary Information:

There are no details required to be disclosed under Rule 16.4 of the
Listing Rules of the UK Listing Authority.

Enquiries:

ARC International plc
Dr. Peter van Cuylenburg, Chairman +001 408 437 3400

Tulchan Communications
Julie Foster, Consultant [phone]


About ARC

ARC International is a provider of uniquely optimized SoC solutions
for exceptionally competitive markets. ARC's IP solutions consist of
user-customizable 32-bit RISC/DSP processor cores with integrated
development tools, peripherals and software. ARC solutions help
companies develop application-specific SoCs that are differentiated
and highly competitive for the wireless, multimedia and
networking/storage markets.

ARC introduced the industry's first user-customizable 32-bit RISC/DSP
processor core and the industry's first USB Hi-Speed On-The-Go IP.
ARC's turnkey embedded solutions, combining the processor core with a
real-time operating system, development tools and peripheral hardware
and software IP, enable developers to optimise the design and
performance of their applications. ARC also supplies embedded system
software, consisting of MQX RTOS and various protocol stacks for a
variety of embedded processors. By providing designers with a single
source for all major embedded silicon and software IP building blocks,
ARC dramatically reduces their number of suppliers, thereby reducing
cost, reducing risk and reducing time-to-market.

ARC International employs approximately 180 people in research and
development, sales and marketing offices across North America, Europe
and Asia. Full details of the company's locations and other
information are available on the company's website,
http://www.arc.com. ARC International is listed on the London Stock
Exchange as ARC International plc (LSE:ARK).

Statements made in this press release that are not historical facts
include forward-looking statements that involve risks and
uncertainties. Important factors that could cause actual results to
differ from those indicated by such forward-looking statements
include, among others, market acceptance of the ARC technology;
fluctuations in and unpredictability of the Company's quarterly
results; general economic and business conditions; regulatory policies
adopted by governmental authorities; assumptions regarding the
Company's future business strategy; changes in technology;
competition; ability to attract and retain qualified personnel; risks
associated with the Company's international operations; and other
uncertainties that are discussed in the "Investment Considerations"
section of the Company's listing particulars dated 28 September 2000
filed with the United Kingdom Listing Authority and the Registrar of
Companies in England and Wales. The Company disclaims any intention or
obligation to update any forward-looking statements as a result of
developments occurring after the date such statement was first made.
In view of the many applications in which its Licensees may use the
ARC products, ARC cannot warrant that those applications do not
infringe the patents of others. ARC strongly encourages its Licensees
to become familiar with the policies governing the use and licensing
of intellectual property established by any organization whose
standards the Licensee wishes to follow, and to review the list most
standards-promulgating organizations publish, of entities that claim
to have patents relating to the relevant standards or underlying
technology.

ARC, the ARC logo, ARCtangent, ARCangel, ARCompact, ARChitect,
ARCform, CASSEIA, High C, High C/C++, SeeCode, MetaDeveloper,
MetaWare, Precise Solution, Precise/BlazeNet, Precise/EDS,
Precise/MFS, Precise/MQX, Precise/MQXsim, Precise/RTCS,
Precise/RTCSsim are trademarks of ARC International. All other brands
or product names are the property of their respective holders.