GRAND RAPIDS, Michigan, May 18, 2005 – Adtegrity.com (Pink Sheets: ADTY), a Grand Rapids, Mich.-based company specializing in Internet advertising networks and services, today announced an expansion of its Chicago-based sales office, establishing all national sales operation in that location.

As part of the expansion, Adtegrity.com has also added two new sales managers, Patti Costello and Brian Soifer, to direct national sales efforts from Chicago.  Prior to the expansion, the Company had utilized a more regionally-based sales strategy.

The Company’s new Chicago location will be:

213 W. Institute Place, Suite 505
Chicago, IL  60610
Phone: 312.397.1117
Fax:  312.397.1119

“By building resources in our Chicago location we will have a more effective, more centrally located base for our expanding national sales efforts,” said Adtegrity.com President and CEO, Scott Brew.  “The addition of Patty and Brian are significant steps forward in our plans to accelerate growth in key markets and verticals nationwide.  Both bring traditional and digital sales experience to Adtegrity, as well as outstanding client service philosophy and a deep understanding of the Internet medium.”

With more than five years of total advertising experience, Costello is responsible for all sales efforts in the Midwest region of the U.S. Her previous positions include sales with FX Networks, Buena Vista Television and, most recently, Coolsavings.com.

Soifer comes to Adtegrity with 10 years of sales, marketing, and advertising experience, including positions with CBS Radio, USA Channel, Coolsavings.com and most recently five years at TV Guide.  Soifer will be responsible for all sales efforts on the East Coast, along with helping to dictate territory strategy and future expansion.

About Adtegrity.com, Inc.

Adtegrity.com’s primary business is the delivery of interactive advertising and marketing services. Since its founding in 1999, the Company has established itself as a results-driven, customer-focused firm consistently ranking among the top 10 online advertising networks in the world. Adtegrity currently serves thousands of website clients and delivers billions of advertising impressions each month to tens of millions of unique users. For more information, visit www.adtegrity.com.

Forward-Looking Statements: This news release may include certain forward- looking statements including, but not limited to, projections of revenue, income or loss and capital expenditures, statements regarding future operations, financing needs, plans relating to products or services of the Company, assessments of materiality, predictions of future events and the effects of pending and possible litigation, as well as assumptions relating to the foregoing. In addition, when used in this discussion, the words “anticipates,” “believes,” “estimates,” “expects,” “intends,” “plans,” “should,” and variations thereof and similar expressions are intended to identify forward-looking statements. Such forward-looking statements are subject to various risks and uncertainties. Actual results could differ materially from those currently anticipated due to a number of factors, including but not limited to the Company’s ability to manage rapid growth as a result of internal expansion and strategic acquisitions, the impact of competitive products and pricing, product demand and market acceptance, new product development, reliance on key strategic alliances, the regulatory environment, fluctuations in operating results and other risks.