MP MAN Makes the Switch to SigmaTel; European MP3 Manufacturer Will Move 100% of Flash-Based Devices to SigmaTel

AUSTIN, Texas--March 29, 2006--SigmaTel, Inc. (NASDAQ:SGTL), a leader in mixed-signal multimedia semiconductors, today announced that MP MAN, a leading European electronics manufacturer, will move their entire portfolio of MP3 player offerings to SigmaTel-based solutions. Currently MP MAN sells 31 different digital audio player models in Europe, the US and Asia.

"MP MAN has set the standard for MP3 players since 1997," said Jean Michel Estenne, CEO of MP MAN Europe. "We chose SigmaTel's technology to continue that trend well into the future. SigmaTel's quality and value are unmatched in the industry. They were the obvious choice for MP MAN."

"SigmaTel's superior technology and IP portfolio continue to lead the industry," said Ron Edgerton, chairman and CEO of SigmaTel. "MP MAN can count on us to provide high quality technology that delivers smaller form factors, better battery life and faster time to market."

MP MAN Europe supplies most of the major retail chain stores in Austria, Belgium, Denmark, France, Germany, Ireland, Italy, Luxembourg, Netherlands, Portugal, Spain, Sweden, the United Kingdom, Iceland, Norway and Switzerland.

SigmaTel's portable multimedia SoC solutions provide high quality audio playback for portable devices such as MP3 players, language learners, and jukeboxes. The company's solutions offer market-leading benefits, including a lower bill of materials cost, Hi-Speed USB 2.0, up to 70 hours of battery life on a single AA battery, and a 14.5 square cm PCB footprint enabling incredibly small form factor products. With flexible software support and upgrade options, the SigmaTel SoC solution offers support for MP3 and WMA audio formats as well as WMA DRM security.

For more information on SigmaTel, please visit www.sigmatel.com. For more information on MP MAN, please visit http://www.mpmaneurope.net/.

About SigmaTel:

SigmaTel, Inc., a fabless semiconductor company headquartered in Austin, Texas, designs, develops, and markets proprietary, analog intensive, mixed-signal ICs for a variety of digital multimedia products in the consumer electronics and computing markets, including portable compressed audio players, such as MP3 players, notebook and desktop PCs, digital video cameras, multi-function peripheral products, digital televisions, and set-top boxes. SigmaTel provides complete, system-level solutions that include highly-integrated ICs, customizable firmware and software, software development tools, reference designs, and applications support. The Company's focus is on providing system-level solutions that enable customers to rapidly introduce and offer electronic products that are small, light-weight, power-efficient, reliable, and cost-effective. SigmaTel is ISO 9001:2000 certified and is committed to providing customers with high performance, quality products along with superior customer service.