Press Release Trilithic’s Media Contact: Karalee Slayton Marketing & Communications 317 423-6604 kslayton@trilithic.com Trilithic Wins Contract with SPPI Indianapolis, IN (Monday, March 1, 2004). Trilithic Inc, a supplier of Custom Filters based in Indianapolis IN, is pleased to announce SPPI, Long Island, NY, has awarded it a contract for series of eight different low cost, hermetically sealed Subminiature RF Filters. The contract is valued in excess of $760,000. These filters are custom designed to eliminate spurious signals and undesired mixer products in RF and Microwave radio systems. Trilithic has been ISO 9001:2000 Certified for over two years. Trilithic will have similar products on display at the MTTS Show, June 8-10 in Ft. Worth Texas, Booth # 1801. TRILITHIC Inc. 9710 Park Davis Drive Indianapolis, IN 46236 (800) 344-2412 www.trilithic.com SPPI, Inc. 101-6 Colin Drive Holbrook, NY 11741 (631) 472-4211 www.sppiusa.com ABOUT TRILITHIC: Trilithic, Inc. is an industry leader providing telecommunications solutions for major Broadband and RF & Microwave markets around the world. Comprised of three major divisions: Broadband Instruments & Systems offers test, analysis and quality management solutions for the major cable television systems around the world. The RF & Microwave Components Division provides various components and custom subsystems for companies specializing in cellular, military and other wireless applications. The E.A.S. Division is a leading supplier of government-mandated Emergency Alert Systems used by HFC service providers in the United States. Trilithic has continuously expanded its manufacturing capabilities to accommodate the greater demand for its products, both through streamlining design and development and automating manufacturing and test procedures. Trilithic provides a broad product base of over 1500 measurement products and communications components to thousands of customers around the world. The company’s state-of-the-art 120,000 Square Foot worldwide headquarters is located in Indianapolis Indiana. As an ISO 9001:2000 certified company with over 40 years of collective expertise in engineering and custom assembly, Trilithic is dedicated to providing quality products, services and communications solutions that meet and exceed their customers’ expectations. ABOUT SPPI: SPPI, Inc. provides US products and procurement services to the Defense, Aerospace, and Electronics Industries around the world. SPPI has over 20 years experience in a diverse range of commercial and military products and services, including supplying thousands of line items in support of equipment for several key naval programs, ground-based radar programs, mobile and manpack radios, and the Apache Helicopter Program. Through its expertise, SPPI brings to customers an understanding of the requirements of major programs and projects while maintaining the dynamic response and flexibility of a small business - able to quickly respond to changes in customer needs and the marketplace. SPPI's Quality Management System has been certified as compliant to ISO 9001:2000. ##### Trilithic, Inc., 9710 Park Davis Drive, Indianapolis, IN 46235 (317) 895-3600 (317) 895-3612 (800) 344-2412 www.trilithic.com