Chairman and CEO of
DiamondCluster International, Inc.(NASDAQ: DTPI)
Rings The NASDAQ Stock Market Opening Bell

Wednesday, May 25, 2005
at NASDAQ's MarketSite
in New York City.

DiamondCluster International, Inc.

Mel Bergstein, Chairman & CEO of DiamondCluster International, Inc. (NASDAQ: DTPI), will preside over the opening bell to celebrate 32 quarters as a public company listed on NASDAQ. DiamondCluster was one of the first professional services firms to go public and has a unique perspective on global trends in technology, and on the outlook for management advisory firms.

Click for larger pictures of the NASDAQ MarketSite. Additional Photographs for 05/25/2005 Download Hi-Res Quality Photo of this NASDAQ Market Open - Pictured: DiamondCluster International, Inc. [DTPI] Chairman and CEO Rings The NASDAQ Stock Market Opening Bell These photos are Copyright 2005, The Nasdaq Stock Market Inc. and available for re-publication by the news media only. Any commercial use is strictly prohibited without the prior written consent of The Nasdaq Stock Market Inc. © Copyright 2005, The NASDAQ Stock Market, Inc. Reprinted with the permission of The Nasdaq Stock Market, Inc.