ARC Extends Reach in Medical Device Market On New License Agreement with Boston Scientific

SAN JOSE, Calif., and ST. ALBANS, England, March 24, 2009 – ARC International (LSE: ARK) a leading provider of consumer intellectual property (IP) to OEM and semiconductor companies worldwide today announced that Boston Scientific (NYSE: BSX) has extended their commitment to ARC® technology by taking a new license. A long-time ARC customer and worldwide developer, manufacturer and marketer of medical devices whose products are used in a broad range of interventional medical specialties, Boston Scientific will use the new license in ultra-low power integrated circuits for implantable cardiac rhythm management device applications.

An expanding prevalence of heart, orthopedic, neurological, and visual disorders, coupled with ongoing improvements in the safety and effectiveness of electronic medical products, will promote the growth of implantable devices. According to recent market research, demand for implantable medical devices will grow close to 10 percent annually to $40 billion in 2011.

“Led by ARC and its low power microprocessor technology, the semiconductor industry is beginning to make a significant contribution to the growing medical device industry,” said Sean Redmond, vice president of worldwide field operations at ARC International. “We applaud Boston Scientific’s innovative application of our technology in improving healthcare in patients worldwide, and look forward to contributing to their continuing success.”

About ARC International plc

ARC International is a world leading provider of consumer IP to OEM and semiconductor companies globally. ARC’s award-winning, vertically integrated audio and video solutions enable high quality multimedia content to be captured, shared, and played on a wide range of electronics devices. ARC’s 150+ customers collectively ship hundreds of millions of ARC-Based™ chips annually in products such as Mobile TVs, Portable Media Players, WiFi-/WiMAX-enabled computers, flash storage, digital cameras, network appliances, and medical and government systems.

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