For interested individuals unable to join the conference call, a replay of the call will be available through August 18, 2008 at (800) 839-6790 (domestic) or (402) 220-6053 (international). The online archive of the webcast will be available on the Company's website for 30 days following the call.

About ADDvantage Technologies Group, Inc.

ADDvantage Technologies Group, Inc. supplies the cable television (CATV) industry with a comprehensive line of new and used system-critical network equipment and hardware from leading manufacturers, including Scientific-Atlanta and Motorola, as well as operating a national network of technical repair centers. The equipment and hardware ADDvantage distributes is used to acquire, distribute, and protect the broad range of communications signals carried on fiber optic, coaxial cable and wireless distribution systems, including television programming, high-speed data (Internet) and telephony.

ADDvantage operates through its subsidiaries, Tulsat, Tulsat-Atlanta, Tulsat-Nebraska, Tulsat-Texas, NCS Industries, ComTech Services, Jones Broadband International and Broadband Remarketing International. For more information, please visit the corporate website at www.addvantagetech.com.

For further information

Company Contact:
Ken Chymiak
(918) 251-2887

Dan O'Keefe
(918) 251-2887

KCSA Strategic Communications
David Burke
(212) 896-1258
dburke@kcsa.com

SOURCE: ADDvantage Technologies Group, Inc.

mailto:dburke@kcsa.com

"We are pleased with our inclusion in this index, which reflects our continued positive momentum," said Ken Chymiak, ADDvantage Technologies Group CEO and President. "Russell is an industry leader for stock indexes, and we expect our inclusion will generate greater interest in our stock among institutional investors."

The annual reconstitution of the Russell Microcap Index captures the 1,000 smallest U.S. stocks in the Russell 2000, plus the next 1,000 stocks at the end of May.

About Russell Investment Group

Russell Investment Group aims to improve financial security for people by providing strategic advice, world-class implementation, state-of-the art performance benchmarks and a range of institutional-quality investment products. With more than $200 billion in assets under management, Russell serves individual, institutional and advisor clients in more than 40 countries. Russell provides access to some of the world's best money managers. It helps investors put this access to work in a corporate defined benefit and defined contribution plans, and in the life savings of individual investors. Russell's indexes are unmanaged and cannot be invested in directly. For more information on Russell indexes, go to www.russell.com.

About ADDvantage Technologies Group, Inc.

ADDvantage Technologies Group, Inc. supplies the cable television (CATV) industry with a comprehensive line of new and used system-critical network equipment and hardware from leading manufacturers, including Scientific-Atlanta and Motorola, as well as operating a national network of technical repair centers. The equipment and hardware ADDvantage distributes are used to acquire, distribute, and protect the broad range of communications signals carried on fiber optic, coaxial cable and wireless distribution systems, including television programming, high-speed data (Internet) and telephony.

ADDvantage operates through its subsidiaries, Tulsat Corporation, ADDvantage Technologies Group of Nebraska, Inc., NCS Industries, Inc., ADDvantage Technologies Group of Missouri, Inc., ADDvantage Technologies Group of Texas, Tulsat-Atlanta, LLC, Jones Broadband International, Inc. and Tulsat-Pennsylvania LLC. For more information, please visit the corporate web site at www.addvantagetech.com.

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.

For further information
Company Contact:
Ken Chymiak
(918) 251-2887

Dan O'Keefe
(918) 251-2887

KCSA Worldwide
David Burke
(212) 896-1258
dburke@kcsa.com

ADDvantage Technologies Group, Inc.
1221 E. Houston
Broken Arrow, Oklahoma 74012

SOURCE: ADDvantage Technologies Group, Inc.

mailto:dburke@kcsa.com