KNOWLES' MEMS MICROPHONES INFRINGE ANALOG DEVICES' PATENT

Norwood, MA (12/23/2010) - Analog Devices, Inc. (NYSE: ADI), a global leader in high-performance semiconductors for signal-processing applications, announced today that the U.S. International Trade Commission (ITC) ruled decisively in favor of Analog Devices in its lawsuit against Knowles Electronics. Administrative Law Judge Robert K. Rogers, Jr. concluded that Knowles infringes valid claims from one of ADI's Wafer Anti-Stiction Application (WASA) patents. Specifically, he ruled that Knowles infringes claims 2, 3, 4, 5, 6 and 8 from ADI's U.S. Pat. No. 7,364,942. As a result, ADI expects the ITC to issue an exclusion order prohibiting Knowles and its U.S. Distributor from importing or selling all infringing microphones in the United States. Additionally, ADI expects to recover damages on all past sales of Knowles' microphones through its pending lawsuit against Knowles in Delaware.

"Analog Devices began investing in MEMS in 1989 and has developed an extensive and innovative MEMS IP portfolio," commented Mark Martin, vice president, MEMS/Sensor Technology Group, Analog Devices. "We have leveraged this investment to create the highest performance MEMS microphones available. We are very pleased that Judge Rogers ruled in our favor confirming the strength of our MEMS IP portfolio."

This recent ruling follows ITC Judge Rogers' ruling on November 22nd when he found Knowles Electronics' MEMS microphone packaging patents were invalid, a ruling consistent with the position taken by the U.S. Patent and Trademark Office, where all of Knowles' asserted claims were rejected in separate reexaminations.

iMEMS® Microphones: Designed for High Quality Sound

Design engineers worldwide have become familiar with the vast capabilities of ADI's innovative iMEMS® technology. That's why the real promise of the technology is being realized daily in hundreds of cutting-edge applications, beginning with motion sensors and now with MEMS microphones. Combining nearly 20 years of MEMS know-how with ADI's audio signal processing expertise, iMEMS microphones provide unprecedented performance and reliability. By integrating a MEMS transducer with an audio ASIC, iMEMS microphones optimize system designs with more control over the full solution and value chain. iMEMS microphones and their many performance advantages will differentiate and radically change acoustic input designs in future electronics devices. For more information, visit www.analog.com/mic.

About Analog Devices

Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged industry-wide as the world leader in data conversion and signal conditioning technology, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices is included in the S&P 500 Index.

iMEMS is a registered trademark of Analog Devices, Inc.

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Editor's Contact Information:

Howard Wisniowski
781-937-1517

howard.wisniowski@analog.com

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