Atheros Communications Completes Acquisition of ZyDAS Technology Corporation

SANTA CLARA, Calif., Aug. 9, 2006 – Atheros Communications, Inc. (NASDAQ: ATHR), a leading developer of advanced wireless solutions, today announced that it has completed the acquisition of ZyDAS Technology Corporation, a Taiwan-based fabless IC design company specializing in high-performance IEEE 802.11 wireless LAN (WLAN) semiconductor and software solutions for PC, mobile and embedded applications. Atheros announced on April 24, 2006, that it signed a definitive agreement to acquire ZyDAS.

With the acquisition of ZyDAS, Atheros has significantly enhanced its world-class engineering team, added to its industry-leading WLAN product portfolio and provided an additional R&D center to support Atheros’ ongoing global expansion into new wireless markets. Atheros has established its new Taiwan Research & Development Center in ZyDAS’ former headquarters. The facility is located in Hsinchu Science Park, one of the world’s most active areas for semiconductor design and manufacturing.

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 and networking equipment manufacturers. For more information, visit www.atheros.com or send email to info@atheros.com.

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Atheros, the Atheros logo and ZyDAS are trademarks of Atheros Communications, Inc. All other trademarks mentioned in this document are the sole property of their respective owners.

NOTE ON FORWARD-LOOKING STATEMENTS:

Except for the historical information contained herein, the matters set forth in this press release, including the anticipated benefits for Atheros of the acquisition of ZyDAS, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially, including, but not limited to, the risks detailed in Atheros’ Annual Report on Form 10-K for the year ended December 31, 2005, and its Quarterly Report on Form 10-Q for the quarter ended June 30, 2006, as filed with the Securities and Exchange Commission, and in other reports filed with the SEC by Atheros from time to time. These forward-looking statements speak only as of the date hereof. Atheros disclaims any obligation to update these forward-looking statements.