News Release For Immediate Release Contact: Karalee Slayton Director Marketing & Communications (317) 423-6604 kslayton@trilithic.com Trilithic Inc. Acquires Online Security Service New company welcomed as Trilithic Network Services Strategic acquisition of managed network security provider expected to accelerate innovation; provision of security solutions by telecommunications leader INDIANAPOLIS (July 22, 2008) – Trilithic Inc. announced today that it has acquired Online Security Service, an expert provider of managed Internet security solutions based in Cooper City, Florida. “With the market for managed security services at over $1 billion annually – and demand on the rise – there couldn’t be a better time for this acquisition,” said Terry Bush, president and co-founder of Trilithic, Inc. “It will allow Trilithic to play a larger and more integral role in the innovation and delivery of high quality, cost effective security solutions to markets around the world. We’re very pleased to welcome our new team aboard as Trilithic Network Services.” Trilithic Network Services will retain the management team of Kevin and Gary Windle, the brothers that cofounded the company in 1989. Kevin Windle will act as Director of Business Development. Gary Windle has been named Director of Operations. The professional support and technical staff that has helped drive the astonishing growth of the company will also remain, joining over 150 business associates in Trilithic companies around the world. Experts in network security, Trilithic Network Services offers a suite of turnkey managed solutions: Firewall, VPN; Continuous Data Protection and Disaster Recovery; Email threat management including AntiVirus, Anti-Spam, Anti-Spyware; Image and Content Control; Information Security Solutions; Intrusion Detection and Prevention; and Threat Management. ### Trilithic – Trilithic Inc. Acquires Online Security Service, contd.2 ABOUT TRILITHIC, INC.: Trilithic, Inc. is an industry leader providing telecommunications solutions for major Broadband and RF & Microwave markets around the world. Key product groups include instruments and service assurance systems for major Broadband providers; RF and Microwave components and subsystems for cellular, military communications and many other wireless industries; and government-mandated Emergency Alert Systems used by HFC service providers and broadcasters in the United States. In all of these industries, Trilithic has earned a reputation for innovation, technical performance and flexibility in meeting customers’ exacting requirements. For more information visit www.trilithic.com. ABOUT TRILITHIC NETWORK SERVICES: Founded by brothers Gary and Kevin Windle in February 1989 as Online Security Service, Trilithic Network Services has earned a reputation for distinguished customer service and professional expertise in network security. The company offers a suite of turnkey managed security solutions to both end users and Broadband services providers that includes: Firewall, VPN; Continuous Data Protection and Disaster Recovery; Email threat management including Anti-Virus, Anti-Spam, Anti-Spyware; Image and Content Control; Information Security Solutions; Intrusion Detection and Prevention; and Threat Management. It is the most recent addition to the family of Trilithic companies. For more information visit www.onlinesec.com.