During his seven year tenure at FreescaleMotorola Mr

(Nasdaq:SLAB), a leader in high-performance,analog-intensive mixed-signal ICs, announced today the promotion of MarkThompson to vice president and general manager of microcontroller products. Mr.Thompson replaces Derrell Coker who retired at the end of 2008 Mr. Thompson joined Silicon Labs in 2000 and served as director of marketing forthe companys wireline products and then director of marketing for the broadcastproducts before being promoted to general manager of broadcast audio products in2007 In the general manager role, Mr. Thompson was responsible for theexpansion of the audio business into the consumer and automotive markets whilegrowing market share in the highly competitive handset business Prior to joining Silicon Labs, Mr Thompson worked at BMC software andFreescale/Motorola.

During his seven year tenure at Freescale/Motorola, Mr.Thompson held a variety of engineering and marketing roles, all pertaining to8-bit and 16-bit embedded MCUs Mr. Thompsons leadership at Freescale/Motorolaresulted in the development of more efficient and lower cost product testmethodologies, as well as multiple new product introductions in the consumer andautomotive markets. "Our MCU business has grown 30 to 40 percent per year since 2003, and theportfolio has expanded to address close to half of the $5 billion 8-bit MCUmarket," said Necip Sayiner, president and CEO of Silicon Laboratories. "Webelieve our MCU products will continue to be a significant growth engine for thebusiness, and were pleased to promote one of our most capable, proven businessmanagers for our next phase of growth and expansion." Tyson Tuttle, vice president of the broadcast products, will assume interimresponsibility as general manager of the broadcast audio products until a newgeneral manager is selected. Silicon Laboratories Inc.Silicon Laboratories is an industry leader in the innovation ofhigh-performance, analog-intensive, mixed-signal ICs. Developed by a world-classengineering team with unsurpassed expertise in mixed-signal design, SiliconLabs diverse portfolio of highly-integrated, easy-to-use products offerscustomers significant advantages in performance, size and power consumption.These patented solutions serve a broad set of markets and applications includingconsumer, communications, computing, industrial and automotive.

Headquartered in Austin, TX, Silicon Labs is a global enterprise withoperations, sales and design activities worldwide. The company is committed tocontributing to our customers success by recruiting the highest quality talentto create industry-changing innovations. For more information about SiliconLabs, please visit Cautionary LanguageThis press release contains forward-looking statements based on SiliconLaboratories current expectations. The words "believe," "estimate," "expect,""intend," "anticipate," "plan," "project," "will" and similar phrases as theyrelate to Silicon Laboratories are intended to identify such forward-lookingstatements.

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