Wireless Facilities to Webcast President and CEO Eric Demarco's Presentation at Conference

SAN DIEGO, Apr 28, 2004 /PRNewswire-FirstCall via COMTEX/ — Wireless Facilities, Inc. (WFI) (Nasdaq: WFII), will webcast a presentation by President and CEO Eric DeMarco during the 32nd Annual JPMorgan Technology & Telecom Conference in San Francisco on Wednesday May 5, at 11:30 a.m. Pacific Time.

The webcast will be available live and for replay for three months at http://ir.wfinet.com/phoenix.zhtml?c=97260&p=irol-irhome. You are encouraged to log in five minutes prior to the presentation.

About Wireless Facilities

Headquartered in San Diego, CA, Wireless Facilities, Inc. is an independent provider of outsourced communications and security systems engineering and integration services and other technical services for the wireless communications industry, the US government, and enterprise customers. The principal services we provide include the design, deployment, integration, and the overall management of wireless communications networks. We also provide communications systems engineering, systems integration, and the outsourcing of technical services such as operational test and evaluation and program management for the federal government and the design, deployment, and integration of security and other in-building systems including access control and intrusion detection for enterprise customers. The Company 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: investors/media, Martha Lessa, Director of Investor Relations, +1-858-228-2328, or toll free, +1-877-WFI-INVS, martha.lessa@wfinet.com, or Rochelle Bold, Senior VP Corporate Development and Investor Relations, +1-858-228-2649, rochelle.bold@wfinet.com, both of Wireless Facilities, Inc.

SOURCE Wireless Facilities, Inc.

investors/media, Martha Lessa, Director of Investor Relations, +1-858-228-2328, or toll free, +1-877-WFI-INVS, martha.lessa@wfinet.com, or Rochelle Bold, Senior VP Corporate Development and Investor Relations, +1-858-228-2649, rochelle.bold@wfinet.com, both of Wireless Facilities, Inc.