Atheros Schedules Fourth Quarter and Full Year 2009 Results Conference Call for January 25, 2010

Atheros Communications, Inc. (NASDAQ: ATHR), a global leader in innovative technologies for wireless and wired communications, announced today that it will release its fourth quarter and full year 2009 financial results after the market closes on Monday, Jan. 25, 2010.

Atheros has scheduled its fourth quarter and full year financial results conference call on Monday, Jan. 25, 2010 at 2 p.m. Pacific Time (5 p.m. Eastern Time). Atheros will release the company's financial results at approximately 1 p.m. Pacific Time (4 p.m. Eastern Time).

To listen to the call from within the United States, please dial 877-835-9268 approximately 10 minutes prior to the start of the call. To listen to the call from outside the United States, please dial 706-634-9690 approximately 10 minutes prior to the start of the call. The pass code is Atheros. A taped replay will be made available approximately one hour after the conclusion of the call and will remain available for one week after the live call. To access the replay, please dial 706-645-9291 and use the pass code 49453309.

Atheros' financial results conference call will be available via a live webcast on the investor relations section of the Atheros web site at www.atheros.com. Access the web site 15 minutes prior to the start of the call to download and install any necessary audio software. An archived webcast replay will be available on the web site for 6 months.

About Atheros Communications, Inc.

Atheros Communications is a global leader in innovative technologies for wireless and wired communications. 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 used by a broad base of leading customers, including personal computer, networking equipment and consumer device manufacturers. For more information, please visit http://www.atheros.com or send an email to info@atheros.com.

Atheros and the Atheros logo are trademarks of Atheros Communications, Inc.

Editorial Contacts:
Susan Lansing
Atheros Communications
408-773-5216
susan.lansing@atheros.com
Greg Wood
A&R Edelman for Atheros
650-762-2838
gwood@ar-edelman.com
Investor Contact:
David Allen
Atheros Communications
408-830-5762
david.allen@atheros.com

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