Release Details

SAN DIEGO, July 19 /PRNewswire-FirstCall/ -- Wireless Facilities, Inc. (Nasdaq: WFII), a global leader in the design, deployment and management of wireless communication networks, technology networks and security systems, will publish financial results for the second quarter of 2004 on Wednesday, August 4, 2004, at 1:05 p.m. Pacific Time (4:05 p.m. Eastern Time). A live conference call will begin at 1:30 p.m. Pacific Time (4:30 p.m. Eastern Time). The call will be webcast and can be accessed at WFI's website at www.wfinet.com.

A replay of the call will be available from 4:00 p.m. Pacific Time on August 4, 2004 through 4:00 p.m. Pacific Time on August 18, 2004 by dialing (800) 633-8284 (Reservation # 21202594).

About Wireless Facilities

Headquartered in San Diego, CA, Wireless Facilities, Inc. is an independent provider of systems engineering, network services and technical outsourcing for the world's largest wireless carriers, enterprise customers and for government agencies. The company provides the design, deployment, integration, and the overall management of wired and wireless networks which deliver voice and data communication, and which support advanced security systems. WFI has performed work in over 100 countries since its founding in 1994. News and information are available at www.wfinet.com.

For further information, please contact: Media, Michael Baehr, Director of Communications, +1-858-228-2799 Direct, michael.baehr@wfinet.com, or Investors, Rochelle Bold, Senior VP of Corporate, Development & Investor Relations, +1-858-228-2649 Direct, rochelle.bold@wfinet.com, both of Wireless Facilities, Inc.

SOURCE Wireless Facilities, Inc. 07/19/2004

CONTACT: Media, Michael Baehr, Director of Communications, +1-858-228-2799 Direct, michael.baehr@wfinet.com, or Investors, Rochelle Bold, Senior VP of Corporate, Development & Investor Relations, +1-858-228-2649 Direct, rochelle.bold@wfinet.com, both of Wireless Facilities, Inc. Web site: http://www.wfinet.com