For Immediate Release Contact: Jeremy Milner 401-862-9422 jeremy@jeremymilner.com Jill Burnie 617-375-4217 jill.burnie@morgankeegan.com ........................................................................................................... EF Johnson Technologies Has Divested 3e Technologies International to Ultra Electronics February 2, 2011 - EF Johnson Technologies, a portfolio company of Francisco Partners, has announced the completion of the divestiture of 3e Technologies International, Inc. (“3eTI”) to Ultra Electronics (LSE:ULE). 3eTI is a leading provider of secure wireless networking products and solutions for the military, government, industrial and smart grid markets. The transaction adds 3eTI’s highly differentiated range of solutions to Ultra’s portfolio of specialist capabilities related to secure networking, communication and cyber security. About 3eTI 3eTI is a leading provider of secure WLAN and wireless mesh networks, sensor networks, cyber security technologies and wireless perimeter security solutions. 3eTI’s technologies are deployed for a range of applications, including military base security, onboard military ship communications, rapidly deployable public safety communications and advanced metering infrastructure for smart grid programs. The Company’s technologies are critical to the growing market for secure wireless networking and communications. 3eTI’s technologies are used by the U.S. Department of Defense, domestic and foreign governmental agencies, and commercial customers. infrastructure for smart grid programs. The Company’s technologies are critical to the growing market for secure wireless networking and communications.   About EF Johnson Technologies EF Johnson Technologies provides secure communications solutions to mission-critical organizations. EF Johnson’s products are marketed under the EF Johnson and Transcrypt International brand names and include two-way radios, infrastructure systems and voice encryption modules for all brands of analog two-way radios. The Company’s customers include first responders in public safety and public service, federal and local governments, and industrial organizations. About Ultra Electronics Ultra Electronics is an international group of businesses specializing in providing electronic and electro-mechanical products and software systems for international defense, security, transport and energy markets. The group has over 45 years of experience as a supplier of technically advanced products for civil and military applications. Ultra has over 130 distinct market or technology niches within its 24 businesses. Ultra employs more than 4,000 people in North America, the UK and Australia.    About Morgan Keegan   Morgan Keegan, a full-service brokerage and investment banking firm, has more than 4,100 employees in 300 offices across the country. The firm’s Investment Banking division provides comprehensive merger and acquisition advisory, public equity and private capital services to public and private middle-market companies as well as private equity groups. Industry sectors include: Transportation & Logistics Industrial Consumer Energy Security & Defense Financial Services Healthcare Technology Real Estate

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