ADDvantage Technologies Group, Inc. Announces Financial Results for Second Quarter Fiscal 2005.

BROKEN ARROW, Okla. -- ADDvantage Technologies Group, Inc. (AMEX:AEY), a Master Stocking Distributor for Scientific-Atlanta and Motorola broadband and transmission products, today announced its financial results for its second fiscal quarter that ended March 31, 2005.

For the second quarter of 2005, the Company reported net sales of $9.9 million compared to $11.7 million for the same period in fiscal 2004. Net income attributable to common stock for the second quarter was $878,000, or $0.09 per diluted share, compared to $1.2 million, or $0.11 per diluted share, for the same period in fiscal 2004.

Net revenues for the first two quarters of fiscal 2005 totaled $22.2 million compared to $22.9 million for the same period in fiscal 2004. Net income attributable to common stock for the first two quarters of fiscal 2005 was $2.2 million, or $0.22 per diluted share, compared to $2.3 million, or $0.21 per diluted share, for the same period in fiscal 2004.

Ken Chymiak, President and CEO, commented, "Market conditions were particularly challenging in the second quarter as a result of the weather and the timing of orders. Also, the larger Multiple System Operators ("MSOs") are assessing their strategic capital spending."

"The second quarter was the first time in 11 quarters that our revenues had not increased over the same period of the prior year." said David Chymiak, Chairman. "To achieve our stated goals, we are actively searching for viable acquisition candidates and working with our channel partners to acquire more exclusive product lines."

ADDvantage Technologies Group, Inc. (AMEX:AEY), through its subsidiaries, TULSAT, Lee Enterprise, NCS Industries, ComTech Services, Tulsat-Texas, and Tulsat-Atlanta distribute new and refurbished cable television ("CATV") equipment, and operate repair centers at each location. TULSAT is a Value Added Reseller ("VAR") and a Master Distributor for Scientific-Atlanta legacy products and is a distributor for most of their other products. NCS Industries is a VAR for Motorola broadband and transmission products and national distributor for PROMAX test equipment. The Company is also a distributor for other companies such as Blonder-Tongue, Standard Electronics, Videotek, Quintech Electronics, and Corning Gilbert, among others. In addition to selling new, excess and refurbished cable television equipment throughout North America and other regions, they operate repair centers specializing in many different Original Equipment Manufacturer ("OEM") products. TULSAT is also a Third Party Authorized Repair Center for select Scientific-Atlanta products and ComTech Services is an authorized Alpha warranty repair center. For more information, please visit the corporate web site at www.addvantagetech.com or contact the Company directly at 918-251-9121.

The information in this announcement may include forward-looking statements. All statements, other than statements of historical facts, which address activities, events or developments that the Company expects or anticipates will or may occur in the future, are forward-looking statements. These statements are subject to risks and uncertainties which could cause actual results and developments to differ materially from these statements. A complete discussion of these risks and uncertainties is contained in the Company's reports and documents filed from time to time with the Securities and Exchange Commission.

ADDvantage Technologies Group, Inc.
                       Statements of Operations
                              (Unaudited)


                       Three Months Ended        Six Months Ended
                           March 31,                March 31,
                       2005        2004         2005         2004
                    ----------- ------------ ------------ ------------

Revenues            $9,894,886  $11,654,041  $22,156,011  $22,946,541

Operating Income    $1,874,275   $2,420,755   $4,363,116   $4,654,678

Net Income          $1,088,238   $1,523,626   $2,602,925   $2,916,796

Net Income
 Attributable to
 Common Stock         $878,238   $1,213,626   $2,182,925   $2,296,796

Net Income Per
 Share of Common
 Stock
    Basic                $0.09        $0.12        $0.22        $0.23
    Diluted              $0.09        $0.11        $0.22        $0.21

Shares Used in
 Computing Net
 Income Per Share:
    Basic           10,065,128   10,035,613   10,063,441   10,023,463
    Diluted         10,117,578   12,107,469   10,117,972   12,095,451