WFI Press Release

Johnson & Perkinson Announces Filing of Class Action Lawsuit Against Wireless Facilities, Inc.

South Burlington, VT – March 19, 2007 – Primezone: Johnson & Perkinson (“J&P”) herebyannounces that it filed a class action lawsuit on behalf of plaintiff and a proposed class ofpurchasers of securities of Wireless Facilities, Inc. (NASDAQ: WFII) ("WFI" or "Company")during the period March 29, 2001 to March 12, 2007 inclusive (the "Class Period"). The Complaint alleges that WFI and certain officers and directors violated Sections 10(b), 14(a)and 20(a) of the Securities Exchange Act of 1934 by making false and misleading statements andomissions concerning WFI’s improper and undisclosed practice of backdating options conferredon certain executives which made it appear that such options were issued upon dates when themarket price of WFI stock was lower than actual market price on the actual grant dates. Therebymasking the profits the option recipients obtained. Under generally accepted accountingprinciples, these profits were required to be recognized as an expense in the Company's financialstatements for the appropriate period, but were not. This backdating of options also violatedprovisions of the Internal Revenue Code relating to deduction of option payments. Thus, theComplaint alleges, the Company's financial statements in Form 10-K filings for the years 2000,2001, 2002, 2003, 2004 and 2005 and Form 10-Q quarterly filings were materially false andmisleading. The plaintiff is represented by J&P, which has extensive experience in prosecuting investor classactions and actions involving financial fraud. J&P is a litigation boutique dedicated tomaximizing shareholders’ returns and keeping the lead plaintiffs involved in the litigation.Attorneys Johnson and Perkinson are both former employees of the Securities and ExchangeCommission. Members of the firm have prosecuted complex class actions on behalf of plaintiffsin the areas of securities and consumer fraud since 1985. Based in South Burlington, Vermont,the firm has prosecuted leading actions on behalf of defrauded investors against numerous publiccompanies resulting in the recovery of many millions of dollars and has been singled out for itsexcellence by various courts. The firm is litigating, or recently resolved litigation, as lead or co-lead counsel in securities class actions against Xerox, Priceline, i2, Allaire, and Xchange, andserves on the Executive Committee in the Global Crossing case. If you bought Wireless Facilities securities between March 29, 2001 and March 12, 2007, youmay, not later than sixty (60) days from March 16, 2007, move the court to serve as leadplaintiff. To serve as lead plaintiff, however, you must meet certain legal requirements. If you wish to discuss this action or have any questions concerning this Notice or rights orinterests with respect to these matters, please contact: Eben F. Duval at Johnson & Perkinson,toll free at 1-888-459-7855, via email at email@jpclasslaw.com, or write to Johnson &Perkinson, 1690 Williston Road, P.O. Box 2305, South Burlington, Vermont 05403.