Telelogic Signs 2.3 MUSD contract with leading US supplier of sophisticated defense systems

MALMÖ, Sweden and IRVINE, California – April 3, 2006 – Telelogic, (Stockholm Exchange: TLOG), the leading provider of software solutions that align advanced systems and software development with business objectives, today announced it has signed a four year 2.3 MUSD software license and maintenance agreement with a leading US aerospace and defense company. The four year subscription agreement includes software licenses for the Telelogic’s Lifecycle solutions. Telelogic DOORS® and Telelogic FOCAL POINT™ will be used for requirements management, analysis and product prioritization, Telelogic TAU® and Telelogic SYSTEM ARCHITECT® for modeling and Telelogic SYNERGY™ for change and configuration management. “This customer, like many within the aerospace/defense industries, has to build increasingly complex systems to the highest safety and quality standards under ever tighter deadlines,” said Anders Lidbeck, President and CEO of Telelogic. “Like many other leading companies in this market, it determined that Telelogic’s applications were superior in helping them meet these challenges.”