For Immediate Release.  For more information, contact:  Warren Henson> 303.592.4803 or Ward Cerny 303.592.4827 DENVER — November 9, 2006 — The Industrials Practice at Green Manning & Bunch, Ltd. (GMB), one of the nation's leading middle-market investment banks, announced today that it represented TVI Corporation (NASDAQ:TVIN) in the purchase of Signature Special Event Services LLC (SSES) from River Associates LLC. GMB will continue to act as TVI's exclusive financial advisor for potential future acquisitions. TVI Corporation, based in Glenn Dale, Maryland, is a global supplier of rapidly deployable first receiver and first responder systems for homeland security, hospitals, the military, police and fire departments, and public health agencies. Based in Frederick, Maryland, SSES is North America's leading full-service event equipment and shelter rental company serving the corporate, sporting, social, and government and military industries. SSES's prestigious clients include the U.S Open (tennis), the Professional Golfer's Association (PGA), Honda, the National Football League (NFL), the International Olympic Committee, the U.S. Military, the American Red Cross, FEMA, and BellSouth. As TVI's exclusive financial advisor, GMB assisted the company in evaluating its strategic alternatives, securing financing for the transaction and in negotiating final agreements. "GMB was invaluable to TVI in this transaction," commented Ricky Priddy, CEO of TVI. "Their analytical skills and accessibility are second to none, and we look forward to a continued relationship with GMB going forward." River Associates LLC, a private equity firm based in Chattanooga, Tennessee, was the seller of SSES. "GMB did an excellent job of keeping both sides on track and managing everyone's expectations, while keeping us informed at all times and making sure there were no surprises," noted Mike Brookshire, partner of River Associates. "I enjoyed the professional manner with which the GMB professionals conducted themselves, and I look forward to the opportunity to work together again with them in the future." About Green Manning & Bunch, Ltd. Green Manning & Bunch, Ltd. ( www.gmbltd.com) is an investment bank specializing in mergers and acquisitions, private placements of equity and debt, and strategic financial advisory services for middle market companies. GMB combines over $15 billion in transactional experience with industry specific expertise in Business Services, Construction, Consumer/Retail, Healthcare and Industrials to deliver superior results for its clients. From its headquarters in Denver and its Phoenix office, GMB is centrally located to serve clients nationwide. GMB's corporate parent, CoBiz Inc. (Nasdaq: COBZ), is a $2.02 billion financial holding company that offers commercial banking services; trust and fiduciary services; property and casualty insurance brokerage and risk management consulting services; and employee and executive benefits consulting and wealth transfer services. About TVI Corporation. TVI Corporation designs, manufactures, and supplies Decontamination, Command and Control, Airborne Infection Isolation, and Mobile Surge Capacity shelters, systems and accessories, including generators, trailers and water heaters. TVI also offers a complete line of NIOSH approved Powered Air Purifying Respirators (PAPR), with multiple headpiece and filter cartridge options. TVI products serve a variety of markets, including the first responder, fire, law enforcement, healthcare/first receiver, government, military, industrial and commercial. About River Associates LLC. River Associates actively engages in management buyouts, corporate divestitures, recapitalizations and family succession transactions with small and medium sized companies that exhibit historic/defensible cash flow and the ability to grow internally as well as externally through strategic acquisitions.