SUNNYVALE, Calif., Jun 8, 2004 — Atheros Communications, Inc. (Nasdaq: ATHR) today announced that Craig Barratt, president and chief executive officer and Jack Lazar, vice president and chief financial officer, will present at the Thomas Weisel Partners Growth Forum 6.0 on June 17 in Laguna Beach, Calif.

The presentation is scheduled for 2:20 p.m. pacific time and will be webcast live via the investor relations section of the Atheros website at http://www.atheros.com. 

About Atheros Communications, Inc.

Atheros Communications develops leading solutions for wireless communications by combining its wireless systems expertise with high performance RF mixed signal and digital semiconductor design skills, enabling its customers to deliver high performance 802.11 products for use in the office, home and on the road. Atheros technology is being used by many of the world's foremost wireless equipment manufacturers. For more information, visit www.atheros.com or send email to info@atheros.com. 

For analyst inquiries contact: Jack Lazar, Chief Financial Officer of Atheros Communications, Inc., +1-408-773-5200; or Deborah Stapleton, President of Stapleton
Communications Inc., +1-650-470-0200, for Atheros Communications, Inc.

For press inquiries contact: Cheryl Patstone, 408-773-5344, cheryl@atheros.com or Greg Wood, A&R Partners, 650-762-2838, gwood@arpartners.com.