TORONTO, Canada, March 6, 2007 – Diversinet Corp. (OTCBB: DVNTF), a leading provider of wireless data security infrastructure products and services, today announced the appointment of Philippe Tardif to its board of directors.  Mr. Tardif, a partner at Borden Ladner Gervais LLP and a leading securities law and capital markets lawyer, brings to Diversinet considerable experience in corporate governance matters, and has a unique perspective on the needs of helping companies transition towards sales and marketing enterprises.  Diversinet also announced the departure of Mark Steinman from the company’s Board and thanks him for his contribution. 

“We welcome Philippe to the Board and his experience in corporate governance will be invaluable as Diversinet pursues its business opportunities,” said Albert Wahbe, chairman of Diversinet.  “Mark Steinman has provided guidance to me and the company over the past seven years and I thank him for his support and contribution,” said Nagy Moustafa, chief executive officer of Diversinet.

Mr. Tardif graduated from Osgoode Hall Law School in 1985, and prior to that he majored in business administration and received an Honors B.A. (Business Administration) from the Richard Ivey School of Business at the University of Western Ontario in 1982.

About Diversinet (OTCBB: DVNTF)
Diversinet Corp. (OTCBB: DVNTF) is a leading provider of wireless authentication and access solutions that secure the personal identity, transactions and data of consumers over almost any mobile phone or handheld device.  Diversinet’s reliable, end-to-end OTP (one-time password) solutions enable cost-effective strong authentication and instant and secure access to critical personal records, helping businesses reduce identity theft, expand customer offerings, increase revenues and comply with regulations.  Connect with Diversinet Corp. at www.diversinet.com.

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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 forward-looking 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.