Atheros to Present at Piper Jaffray Conference May 9

SANTA CLARA, Calif., May 2, 2007 – Atheros Communications, Inc. (NASDAQ:ATHR), a leading developer of advanced wireless solutions, today announced that Jack Lazar, vice president and chief financial officer, will present at the Ninth Annual Piper Jaffray Semiconductor and Communications Conference on Wednesday, May 9, at The New York Palace Hotel.

The presentation is scheduled for 1:50 p.m. Eastern time and will be webcast live via the investor relations section of the Atheros website at www.atheros.com.

About Atheros Communications, Inc.

Atheros Communications is a leading developer of semiconductor system solutions for wireless and other network communications products. Atheros combines its wireless and networking systems expertise with high-performance radio frequency (RF), mixed signal and digital semiconductor design skills to provide highly integrated chipsets that are manufactured on low-cost, standard complementary metal-oxide semiconductor (CMOS) processes. Atheros technology is being used by a broad base of leading customers, including personal computer, networking equipment and consumer device manufacturers. For more information, please visit www.atheros.com send email to info@atheros.com.

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