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Silicon Laboratories Asserts Intellectual Property Rights

January 25, 2010

AUSTIN, Texas, Jan 25, 2010 (BUSINESS WIRE) -- Silicon Laboratories Inc. (Nasdaq: SLAB) today announced the filing of a patent infringement lawsuit against Quintic Corporation, a California semiconductor company, and its Chinese affiliate, in the U.S. Federal District Court in Austin, TX.

The lawsuit alleges that the two defendants have infringed five patents relating to mixed-signal integrated circuits, specifically United States Patent No. 6,226,506, No. 7,035,607, No. 7,200,364, No. 7,199,650, and No. 7,355,476. The broad nature of the alleged infringement, spanning various aspects of their IC architecture, represents a significant misappropriation of Silicon Labs' market leading mixed-signal technology. Silicon Labs innovative radio technology is a result of years of R&D investment and is now in its fourth generation. The company's ICs have been adopted in consumer products worldwide including handsets, portable media players and consumer radios.

"We will vigorously pursue our rights and seek a permanent injunction against the infringing products," said Nestor Ho, General Counsel for Silicon Laboratories. "We must defend our intellectual property against any company infringing on our proprietary designs."

Silicon Laboratories Inc.

Silicon Laboratories is an industry leader in the innovation of high-performance, analog-intensive, mixed-signal ICs. Developed by a world-class engineering team with unsurpassed expertise in mixed-signal design, Silicon Labs' diverse portfolio of highly-integrated, easy-to-use products offers customers significant advantages in performance, size and power consumption. These patented solutions serve a broad set of markets and applications including consumer, communications, computing, industrial and automotive.

Headquartered in Austin, TX, Silicon Labs is a global enterprise with operations, sales and design activities worldwide. The company is committed to contributing to our customers' success by recruiting the highest quality talent to create industry-changing innovations. For more information about Silicon Labs, please visit www.silabs.com.

Note to editors: Silicon Laboratories and the Silicon Labs logo are trademarks of Silicon Laboratories Inc. All other product names noted herein may be trademarks of their respective holders.

SOURCE: Silicon Laboratories Inc.

Silicon Laboratories Inc.
Shannon Pleasant, 512-464-9254
investor.relations@silabs.com

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