Press Release Final for Immediate Release Trilithic’s Media Contact: Karalee Slayton Director Marketing & Communications 317 423-6604 kslayton@trilithic.com Trilithic Adds Director of Technology to EAS Division Indianapolis, Indiana (Friday, December 09, 2005), We are pleased to announce the addition of Director of Technology to Trilithic’s Emergency Alert System Division. The newly created position, held by Arthur Leisey (formerly the Senior Applications Engineer for Trilithic’s E.A.S. Division) comes about as Trilithic prepares for the growth of E.A.S. requirements in, digital cable TV, digital Broadcast, IPTV and other emerging technologies. In his new position, Mr. Leisey will be researching and developing new concepts and architectures for all aspects digital E.A.S. communications and directing our expanding technical support team. Mr. Leisey is based in our Asheville, NC E.A.S. testing and verification lab. A 28 year veteran of the cable industry and a19 year member of the SCTE, Mr. Leisey has been with Trilithic for the past 9 years and is active within the SCTE’s E.A.S. Subcommittee. He also holds a cochairman seat on North Carolina’s Emergency Communications Committee. Terry Bush, President states: “Arthur Leisey’s understanding of the marketplace and his experience managing E.A.S. applications will be invaluable to our business strategies. As a leader in E.A.S. we recognize the ongoing need to enhance the product line for the telecommunication industry's ever changing architecture and the ongoing needs of federally mandated Emergency Alert Systems.” 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 Broadband, Broadcast and IPTV 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. -end- Trilithic, Inc., 9710 Park Davis Drive, Indianapolis, IN 46235 (317) 895-3600 (317) 895-3613 (800) 344-2412 www.trilithic.com