Atheros to Present at Bank of America Securities Conference Sept. 22

SANTA CLARA, Calif., Sept. 15, 2005-- 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 Bank of America Securities 35th Annual Investment Conference Thursday, Sept. 22 at the Ritz-Carlton Hotel in San Francisco.

The presentation is scheduled for 11:00 a.m. Pacific 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 communications products. Atheros combines its wireless systems expertise with high-performance radio frequency (RF), mixed signal and digital semiconductor design skills to provide highly integrated chipsets that are manufacturable 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 handset manufacturers. For more information, visit www.atheros.com or send email to info@atheros.com.

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