ADDvantage Technologies Appoints David Humphrey President and Chief Executive Officer

ADDvantage Technologies Group, Inc. AEY today announced that its Board of Directors has appointed David Humphrey as the Company's new President and Chief Executive Officer. As part of an executive transition plan, Ken Chymiak, who had been President and Chief Executive Officer of the Company since September 1999, has been appointed as Chairman of ADDvantage's Board of Directors and will continue to focus on the Company's ongoing business strategy in that role. Also, David Chymiak, who had been Chairman since September 1999, will remain on the Company's Board of Directors and has been appointed as Chief Technology Officer of ADDvantage. In this role, David Chymiak will focus on supporting the product lines the Company currently offers and expanding its product offerings in the cable television industry as well as other markets. David Chymiak will also continue his current responsibilities of leading Tulsat, a wholly- owned subsidiary of the Company. Mr. Humphrey, 56, joins ADDvantage with a broad range of experience as a senior manager overseeing operations, finance and mergers and acquisitions. He has spent the last 34 years in various industries, including 13 years in the oil and gas industry while working with Koch Industries, Inc., where he held several senior executive level positions at various Koch subsidiaries. During his time with Koch Industries, Mr. Humphrey successfully implemented several management, and sales and marketing programs that increased sales and profitability for the respective subsidiaries. He also completed several multi-million dollar acquisitions of certain assets for Koch's subsidiaries, including a $100 million pipeline and storage system and a $90 million production plant.