SYS (AMEX: SYS), is a leading provider of information connectivity solutions that capture, analyze and present real-time information to our customers in the Department of Defense, Department of Homeland Security, other government agencies and to commercial companies. Using interoperable communications software, sensors, digital video broadcast and surveillance technologies, wireless networks, network management, decision-support tools and Net-centric technologies, our technical experts enhance complex decision-making. We also provide solution lifecycle support with program, financial, test and logistical services and training. Founded in 1966, SYS is headquartered in San Diego and has principal offices in California and Virginia. For additional information, visit www.systechnologies.com.

Kratos Defense & Security Solutions, Inc. (Nasdaq: KTOS) provides mission critical engineering, IT services and war fighter solutions for the U.S. federal government and for state and local agencies. Principle services include C5ISR, weapon systems lifecycle support, military weapon range and technical services, network engineering services, advanced IT services, security and surveillance systems, and critical infrastructure design and integration.  The Company is headquartered in San Diego, California, with resources throughout the U.S. and in key strategic military locations. News and information regarding Kratos are available at www.kratosdefense.com.

In connection with the proposed acquisition of SYS by Kratos Defense & Security Solutions, Inc. (“Kratos”), Kratos has filed with the U.S. Securities and Exchange Commission (the “SEC”) a registration statement on Form S-4, containing a joint proxy statement/prospectus and other relevant materials. INVESTORS AND SECURITY HOLDERS OF KRATOS AND SYS ARE URGED TO READ THE DEFINITIVE JOINT PROXY STATEMENT/PROSPECTUS BECAUSE IT CONTAINS IMPORTANT INFORMATION ABOUT KRATOS, SYS AND THE ACQUISITION. The definitive joint proxy statement/prospectus and other relevant materials, and any other documents filed by Kratos or SYS with the SEC, may be obtained free of charge at the SEC’s web site at www.sec.gov. In addition, investors and security holders may obtain free copies of the documents filed with the SEC by Kratos by directing a request to: Kratos Defense & Security Solutions, Inc., 4810 Eastgate Mall, San Diego, CA 92121, Attn: Investor Relations, or by going to Kratos’ corporate website at www.kratosdefense.com. Investors and security holders may obtain free copies of the documents filed with the SEC by SYS by contacting SYS Technologies, Inc., 5050 Murphy Canyon Road, Suite 200, San Diego, CA 92123, Attn: Investor Relations, or by going to SYS’ corporate website at www.systechnologies.com. Kratos, SYS and their respective executive officers and directors may be deemed to be participants in the solicitation of proxies from the stockholders of Kratos and SYS in favor of the acquisition. Information about the executive officers and directors of Kratos is set forth in the proxy statement for Kratos’ 2007 Annual Meeting of Stockholders, which was filed with the SEC on October 10, 2007. Information about the executive officers and directors of SYS and their ownership of SYS common stock is set forth in the proxy statement for SYS’ 2007 Annual Meeting of Stockholders, which was filed with the SEC on October 29, 2007. Investors and security holders may obtain more detailed information regarding the direct and indirect interests of Kratos, SYS and their respective executive officers and directors in the acquisition by reading the joint proxy statement/prospectus regarding the acquisition when it becomes available.