AMCC Appoints President and CEO

SAN DIEGO -- Applied Micro Circuits Corporation (NASDAQ:AMCC) today announced that its board of directors has named Kambiz Hooshmand, 43, as president, chief executive officer and a member of the board of directors, effective March 21, 2005. Mr. Hooshmand succeeds David M. Rickey who is retiring from his post as chairman, president, chief executive officer and a director of the Company, effective March 20, 2005. Mr. Rickey will remain an AMCC employee through August to assist in a smooth transition. Lead independent director Cesar Cesaratto will assume the role of chairman of the board.

Hooshmand joins AMCC from Cisco Systems, where he most recently served as vice president and general manager of Cisco's Optical and Broadband Transport Technology group. Hooshmand has over two decades of experience in core routing, VoIP, ATM, access and transport technologies.

"We are extremely pleased to have attracted someone of the caliber of Kambiz to lead AMCC. His proven track record of entrepreneurial vision, customer service and enhancing business fundamentals within a global tier-one powerhouse will bring immediate benefits to AMCC," said Cesar Cesaratto, the newly appointed chairman of the board of AMCC. "In addition, his understanding of our end markets and international applications will add new dimensions to our vision and evolving strategy."

"I have tremendous respect for Kambiz and feel confident that I am leaving the company in good hands," said Dave Rickey, outgoing chairman, president and CEO of AMCC. "His expertise in successfully leading large divisions of Cisco makes him a natural choice as AMCC's next President and CEO. I will work closely with the board and Kambiz to ensure a seamless transition for our customers, shareholders, partners and employees."

Applied Micro Circuits Corp. (AMCC)