Saab AB has announced a definitive agreement to acquire Sensis Corp., a provider of air traffic management (ATM) solutions and surveillance technologies for the global civil aviation and defense industries, for approximately $155 million. The acquisition advances Saab's strategy to increase its North American presence and strengthens the product portfolio within radar, sensors, ATM, and defense systems development. Sensis will continue operations in the U.S. as a subsidiary within the Saab Group. The transaction is expected to be concluded in the third quarter of 2011.