DATATRAK Announces First Client to Take Advantage of “DATATRAK Aware™ -- Powered by SAS” Offering

CLEVELAND, Ohio, May 23, 2005--DATATRAK International, Inc. (Nasdaq: "DATA"), the leading and most experienced Application Service Provider ("ASP") in the Electronic Data Capture ("EDC") industry today announced the first client for the "DATATRAK Aware" -- Powered by SAS" offering.

Please visit the SAS website at www.sas.com for the complete Press Release related to this offering of "DATATRAK Aware" -- Powered by SAS". The specific Internet address for the Announcement from SAS is http://www.sas.com/news/preleases/052305/news1.html.

About DATATRAK
DATATRAK International, Inc. is a worldwide ASP for the EDC industry. The Company provides a suite of software products supporting the use of DATATRAK EDC and related services to the pharmaceutical, biotechnology, and medical device industries. DATATRAK EDC was developed in order to deliver clinical research data from investigative sites to clinical trial sponsors faster and more efficiently than conventional, manual methods. DATATRAK EDC can be deployed worldwide in either a distributed platform using laptop computers or in a centralized environment using the Internet. DATATRAK EDC software and its earlier versions have successfully supported many international clinical studies involving thousands of clinical research sites and encompassing tens of thousands of patients in 47 countries. DATATRAK International, Inc.'s product suite has been utilized in some aspect of the clinical development of 14 separate drugs that have received regulatory approval from either the United States Food and Drug Administration or counterpart European bodies. DATATRAK International, Inc. has offices located in Cleveland, Ohio and Bonn, Germany. Its common shares are listed on the Nasdaq Stock Market under the symbol "DATA." Visit the DATATRAK International, Inc. web site at www.datatrak.net or www.datatraknet.de

Except for the historical information contained in this press release, the statements made in this release are forward-looking statements. Factors that may cause actual results to differ materially from those in the forward-looking statements include the ability of the Company to absorb corporate overhead and other fixed costs in order to successfully market the DATATRAK EDC software; the development and fluctuations in the market for EDC technology; the degree of the Company's success in obtaining new contracts; the timing of payments from customers and the timing of clinical trial sponsor decisions to conduct new clinical trials or cancel or delay ongoing trials; governmental regulation; the early stage of the Company's EDC business and operations; and general economic conditions. In addition, the Company's success depends on the outcome of various strategic initiatives it has undertaken, all of which are based on assumptions made by the Company concerning trends in the clinical research market and the health care industry.