TORONTO, ON - January 31, 2006 - Diversinet Corp. (OTCBB: DVNTF), a leading provider of personal authentication and security solutions for the wireless world, today announced that Kashif Hassan has resigned as President. Kash's role has been filled by the current senior management team.

Nagy Moustafa, Diversinet's CEO commented, "When Kash joined the team in early 2005 as President, his focus was to restructure the organization around our mobile mass market authentication solutions. With the achievement of these turnaround milestones accomplished, Kash has completed his objectives and we thank him for a job well done."

"The vast experience of our senior management team (each member has over 20 years experience in the security/telecommunications/mobile industry) has made for a seamless transition. More importantly, all the hard work the team has put into the company's re-launch is starting to get attention in our target markets" said Nagy Moustafa.

Diversinet also announced today that it is scheduled to participate in two investor conferences, including:

• The Brean Murray, Carret Small Cap Institutional Investor Conference 2006 in New York City on February 1, 2006 at 10:30 EST. The speaker will be Stu Vaeth, Chief Security Officer.
• The America's Growth Capital 2006 Information Security & Data Center Conference in San Jose, CA on February 13, 2006 at 11:30 PST. The speakers will be Nagy Moustafa, CEO and Stu Vaeth, CSO.

The Private Securities Litigation Reform Act of 1995 provides a "safe harbor" for forward-looking statements. Certain information included in this press release (as well as information included in oral statements or other written statements made or to be made by the company) contains statements that are forward-looking, such as statements relating to anticipated future revenues of the company and success of current product offerings. Such forward-looking information involves important risks and uncertainties that could significantly affect anticipated results in the future and, accordingly, such results may differ materially from those expressed in any forwardlooking statements made by or on behalf of the company. For a description of additional risks and uncertainties, please refer to the company's filings with the Securities and Exchange Commission.