Diversinet Appoints Mobile Healthcare Strategist Alan Portela to Board of Directors and New Executive Advisory Board

Company to Benefit from Expertise in Healthcare IT, U.S. Government Markets and Meaningful Use

TORONTO, May 31, 2011 /PRNewswire/ - Diversinet Corp. (TSX Venture: DIV, OTCBB: DVNTF), a leader in "Connected and Protected" mobile healthcare communications, has appointed Alan Portela, a mHealth strategist and innovator, to its Board of Directors.

Additionally, Portela will serve as chairman of a newly formed Diversinet Executive Advisory Board.

"Alan is a respected visionary whose guidance will help us strengthen Diversinet's leadership in mobilizing information technology for healthcare organizations," said Diversinet Chairman and CEO Albert Wahbe. "His expertise gained from introducing electronic health records to the U.S. military and setting the standard for incorporating meaningful use by healthcare technology companies will be particularly valuable as we enter our next phase of growth."

Portela has more than 25 years experience as an IT strategist and executive, marked by pivotal contributions to mobile healthcare. He is currently a board member for AirStrip Technologies and CliniComp, Intl., and serves as an adviser to InTouch Health and Accenture.

Portela has been a leading force in the selection and deployment of electronic health records (EHRs) by the Military Health System and Veterans Health Administration. He pioneered the "Clinical Automation via Functional Clusters" concept, recognized as the best model for meeting criteria for the various stages of meaningful use - an increasing concern for healthcare organizations. Additionally, Portela is a leader in the Virtual Intensive Care Model (Tele-ICU), having helped develop the concept of remote ICU coverage via mobile technology.

The consulting firm founded by Portela, Hybrid Clinical Transformation LLC, also has been retained by Diversinet to provide sales and business development services.

Concurrently, Diversinet announced that Ravi Chiruvolu has resigned from its Board of Directors. "We thank Ravi for his valuable contribution to Diversinet," said Wahbe, "and we wish him well."

About Diversinet
Diversinet Corp. (TSX Venture: DIV, OTCBB: DVNTF) provides a patented and proven secure application platform that enables healthcare organizations to rapidly deploy HIPAA-compliant mobile healthcare (mHealth) applications to anyone, anytime, anywhere. Diversinet's MobiSecure^® platform helps payers and providers meet growing needs for safe, convenient, on-the-go storage and sharing of personal health data. Connect with Diversinet Corp. at www.diversinet.com. Its tagline is "Healthcare. Connected and Protected."

The Private Securities Litigation Reform Act of 1995 and Canadian securities laws provide a "safe harbour" 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 the 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 available at www.sec.gov and Canadian securities regulatory authorities available at www.sedar.com.

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release.

MobiSecure is a registered trademark of Diversinet Corp.

SOURCE Diversinet Corp.