Industry Leading SiRFstarIII Brings Location Awareness to Latest Mobile Platform Innovations to be Demonstrated at IDF

INTEL DEVELOPER FORUM, BEIJING, April 17 -- SiRF Technology Holdings, Inc. (Nasdaq: SIRF), a leading provider of GPS-enabled silicon and premium software location platforms, today revealed its industry leading SiRFstarIII(TM) architecture will provide the GPS-based location awareness for products based on the new Intel Ultra Mobile Platform 2007. The low-power SiRFstarIII-GSC3LT, which provides the integrated GPS functionality for Intel Ultra Mobile PC (UMPC) and Mobile Internet Device (MID) platforms, together with support from the SiRFecosystem(TM) global developer community, will enable manufacturers to create compelling new location-based applications that complement today's mobile lifestyle with a truly locative experience.

"SiRF has consistently taken a leadership position in emerging markets, and with its powerful capabilities, portability and connectivity, the UMPC and MID platforms provide a great opportunity to expand the usage of location enabled applications in the mobile consumer and enterprise market," said Kanwar Chadha, founder and vice president of marketing for SiRF. "We look forward to working with Intel to help this exciting new platform realize the promise of location, and to continuing to drive GPS further into the mainstream through partnerships and innovative technologies."

The latest mobility innovation, products based on the Intel Ultra Mobile Platform 2007 combines the full power of a computer, support for anytime wireless broadband connectivity, ultra mobility and location adaptability in a compact form factor, providing the foundation for a variety of new Internet- based usage models and products consumers can carry conveniently wherever they go. The Ultra Mobile Device reference design with integrated SiRFstarIII technology will offer manufacturers of mobile devices in consumer electronics, wireless, automotive and computer industry a comprehensive, turnkey, location-enabled solution they can employ to drive down the cost and speed the development of the next generation of these location-aware ultra mobile devices.

"Location-based services provide consumers with a host of new usage scenarios on MID and UMPC platforms," said Rob DeLine, Director of Marketing for Intel's Ultra Mobility Group. "The SiRFstarIII technology combined with Intel silicon solutions will enable innovative, location-aware platforms."

A winner of PC Magazine's Award for Technical Excellence, the SiRFstarIII architecture can track more than 20 GPS satellites, employs the equivalent of more than 200,000 correlators and sophisticated navigation algorithms and makes real-time navigation practical in almost any environment.

Now in its 11th year, the Intel Developer Forum is the premier global technology industry event for hardware and software developers to confer on Intel-based platforms, technologies and solutions, and the new usage models they enable.

About SiRF Technology Holdings, Inc.

SiRF Technology Holdings, Inc. develops and markets semiconductor and software products that are designed to enable location-awareness utilizing GPS and other location technologies, enhanced by wireless connectivity capabilities such as Bluetooth, for high-volume mobile consumer devices and commercial applications. SiRF's technology has been integrated into mobile consumer devices such as automobile navigation systems, mobile phones, PDAs, GPS-based peripherals and handheld GPS navigation devices, and into commercial applications such as location servers, asset tracking devices and fleet management systems. SiRF markets and sells its products in three target platforms: wireless handheld devices, such as mobile phones; automotive electronics systems, including navigation and telematics systems; and consumer and compute devices, including personal digital assistants, notebook computers, recreational GPS handhelds, mobile gaming machines, digital cameras and watches. Founded in 1995, SiRF is headquartered in San Jose, Calif., and has sales offices, design centers and research facilities around the world. The company trades on the NASDAQ Stock Exchange under the symbol SIRF. Additional information about SiRF and its location technology solutions can be found at http://www.sirf.com .

Forward-Looking Statements

Except for the historical information contained herein, the matters set forth in this press release, including, but not limited to, statements regarding the anticipated features and benefits of the SiRFstarIII architecture, such as the SiRFstarIII-GSC3LT and the Intel Ultra Mobile Platform 2007 are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as "to," "being," "possible," "may," "addresses," "designed to," "provide," "believe," and similar expressions are intended to identify forward-looking statements. These statements are not guarantees of future performance and should not be considered as an indication of future performance. SiRF's actual results could differ materially from those discussed in these forward-looking statements as a result of risks and uncertainties, including, among others, demand and market acceptance for our products and those of our customers, the market for GPS-based location awareness, risks associated with the semiconductor industry and other risks and uncertainties discussed in the Company's Annual Report on Form 10-K for the year ended December 31, 2006 and from time to time in SiRF's SEC reports. These forward-looking statements speak only as of the date hereof. We do not undertake any obligation to update forward-looking statements.

http://www.sirf.com/