Montreal, Quebec, May 2nd, 2005 – Nstein Technologies Inc. “Nstein” (TSX-V: EIN), a leader in advanced linguistic-based Business Intelligence (BI) solutions, today announced a contract with ProQuest Information and Learning, a leading electronic publisher of content for libraries and educational institutions worldwide. Based on its Global Intelligent Information Management (GIIM) technology platform, Nstein will provide software and professional services. ProQuest will utilize GIIM’s advanced Business Intelligence platform to leverage its organization’s IT and informational assets.

ProQuest will employ Nstein’s technology to complement and enhance its existing value-added services. “Throughout our lengthy evaluation process, Nstein has shown it possesses the technology and the people to help us achieve our business objectives, such as streamlining the data creation process and improving operational productivity to additional content sets,” stated Vince Price, Vice President Content & Editorial at ProQuest Information and Learning.

“Nstein is excited about this contract with ProQuest,” stated Mario Girard, Chairman and Chief Executive Officer of Nstein Technologies. “We are proud to assist in the initiatives of such a fine organization with our technology and professional team. While Nstein continues to play a significant role in the e-publishing field and to build strong associations with visionary players such as ProQuest, we also concretely leverage our proven solutions and expertise for the benefit of large enterprises and organizations, giving them real-time actionable intelligence.”

About ProQuest Information and Learning

ProQuest Information and Learning is a world leader in collecting, organizing, and publishing information worldwide for researchers, faculty, and students in libraries and schools. Known widely for its strength in business and economics, general reference, humanities, social sciences, and STM content, the company develops premium databases comprising periodicals, newspapers, dissertations, out-of-print books, and other scholarly information from more than 8,500 publishers worldwide. Users access the information through the ProQuest® Web-based online information system, Chadwyck-HealeyTM electronic and microform resources, UMI® microform and print reference products, eLibrary®, SIRS® and Voyager Expanded Learning educational resources, and XanEdu® online faculty and student resources. For more information about ProQuest Information and Learning, visit www.il.proquest.com.

ProQuest Information and Learning is a business unit of ProQuest Company (www.proquestcompany.com), which was named one of the top 100 fastest growing technology companies in the United States by Business 2.0 and one of the 200 best small companies by Forbes Magazine.

About Nstein Technologies

Nstein Technologies (TSX-V: EIN) develops and markets leading edge software solutions for analyzing vast amounts of unstructured data in virtually all languages. Nstein’s linguistic based platform collects, organizes, analyzes, cross examines, shares and translates data from any sources, in real time. Nstein’s solutions transform reactive decision making into a high impact proactive and even predictive process, and solve mission critical problems. Nstein has developed tailored solutions for clients in homeland security & intelligence and e publishing markets, as well as for large enterprises and government organizations. The Company is headquartered in Montreal, Canada, with offices in the United States and Europe. More information is available at www.nstein.com

• The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release.
• Any statement that appears prospective shall not be interpreted as such.

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For more information:

Nstein Technologies Inc.:
Investor Relations

Bruno Martel
Finance Director
Nstein Technologies Inc.
Tel: 514 908-5406
bruno.martel@nstein.com


François Kalos
The Equicom Group Inc.
Tel: 514 844-6054
fkalos@equicomgroup.com