KNOWLES MEMS MICROPHONES BARRED FROM IMPORTATION INTO UNITED STATES BY INTERNATIONAL TRADE COMMISSION RULING

ITC Confirms Prior Patent Ruling in Favor of Analog Devices, Inc.

Norwood, MA (05/11/2011) - 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 in its favor and found that Knowles Electronics infringed ADI's Wafer Anti-Stiction Application (WASA) patent, U.S. Pat. No. 7,364,942. The ITC also issued an exclusion order prohibiting further importation into the United States of Knowles' infringing "MEMS [microphone] devices and products containing the same", effective July 11, 2011. The ITC's decision confirms an initial ruling on December 23, 2010 by Administrative Law Judge Robert K. Rogers, Jr., finding that Knowles infringed ADI's patent.

"We are very pleased that the ITC ruled in our favor," commented Mark Martin, vice president, MEMS/Sensor Technology Group, Analog Devices. "As one of the earliest innovators of MEMS technology, we have developed an influential patent portfolio in this space and we continue to innovate at the leading edge of this technology. We are shipping performance-leading MEMS microphones in volume and we are available to all companies who have concerns as a result of this ITC decision."

"While we are gratified that the ITC has granted our request and issued an exclusion order barring importation of Knowles microphones into the United States, our dispute with Knowles is not over," said Margaret Seif, vice president and general counsel, Analog Devices. "In our pending lawsuit against Knowles in Delaware, we expect to recover significant financial damages for Knowles' past sales of infringing MEMS microphones. In addition, we will do what we can to insure that Knowles does not import infringing products into the United States, either directly or indirectly."

The ruling is ADI's second victory against Knowles this year. In January, the ITC confirmed an earlier ruling by ALJ Rogers, which found that two of Knowles' patents were invalid, and that ADI was not restricted from selling its own MEMS microphones.

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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.

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Editor's Contact Information:

Howard Wisniowski
781-937-1517

howard.wisniowski@analog.com

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