Diversinet Signs On Consist International To Realize A Growing Market For Digital Certification and Secure Wireless Infrastructure In Brazil And Argentina

TORONTO, Canada, December 1, 2003 – Diversinet Corp. (OTCBB: DVNTF), a leading provider of secured mobile solutions, today announced that Consist International, Inc. has signed on as the exclusive agent-of-record to market Diversinet’s security products and solutions in Brazil and Argentina. In addition to Consist’s direct sales force engaging blue-chip banking, telecom and government clients across the two largest economies in South America. Consist will also work with Diversinet to establish an Application Service Provider (ASP) channel, so that smaller firms, including local municipalities, can also access solutions from the world’s leading provider of wireless security and identity-management solutions.

The Consist Group, headquartered in New York City, provides extensive reach both in Latin America and other parts of the world. Consist currently provides financial applications, business management and mission-critical solutions, as well as consulting services to commercial, public sector, and multinational organizations in 38 countries. Consist has offices throughout North America, Europe, Latin America, and the Middle East.

“Our partnership with Diversinet will provide our Brazilian and Argentine customers with best-of-breed wireless security solutions, hastening the provision of wireless applications which will in turn empower our clients to extend their applications and services,” said Natalio Fridman, President of Consist “By offering the combination of an industry-leading wireless security solution with our unique knowledge of the local market requirements, and our service and consulting experience in financial services, insurance, government, telecom, and public utilities, Consist will be able to deliver an unmatchable secure wireless infrastructure.”

Nagy Moustafa, President & CEO of Diversinet, remarked “In Consist we’ve found the key partner that we needed to extend our product and solution reach in South America. The Brazilian market in particular is a huge market, ripe for offering new mobile services and the foundation for these services requires a secure infrastructure, such as the one Diversinet offers. This is another example of our strategy to find leading channel partners to quickly establish a leadership presence in growing markets for wireless security, such as Brazil and Argentina.”

About Consist International, Inc.
Founded in 1972, the Consist Group, which includes Consist International and affiliated Consist companies, is a leading information technology vendor. It delivers software solutions for Enterprise, Business and Human Resources Management, Customer Care, Business Intelligence and Internet applications as well as Mission-Critical software, Consulting and Outsourcing services to major corporate and public sector customers in 38 countries.

Headquartered in New York City, the Consist Group has offices in North America, Europe, Latin America, and the Middle East. MaK DATA SYSTEM, a German consulting company, is a subsidiary of Consist International Inc.

Consist also offers consulting on implementation, training, and support services covering the entire product lifecycle. More information about Consist can be found on the Web at www.consist.com.

About Diversinet Corp.
Diversinet is a leading provider of secured mobile solutions to the enterprise, financial services, and gaming and wagering marketplaces. With demonstrated expertise in wireless and security, Diversinet delivers secure, reliable and scalable mobile solutions through security products and professional services such as application development and integration, consulting, training and technical support. Diversinet enables customers and their employees to securely access applications and critical corporate information from anywhere, at anytime and via any mobile device.

Diversinet is headquartered in Toronto, Canada, with offices in Boston, MA; Fremont, California; and Hong Kong, SAR. For more information visit www.diversinet.com

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