News Release

Diversinet Corp. To Trade On TSX Venture Exchange

July 23, 2008

DIVERSINET CORP. ("DIV")
BULLETIN TYPE: New Listing-Shares
BULLETIN DATE: July 23, 2008
TSX Venture Tier 1 Company

Effective at the opening Thursday, July 24, 2008, the common shares of the Company will commence trading on TSX Venture Exchange. The Company is classified as a 'Wireless Data Security' company.

The Company is presently trading on the OTCBB under the symbol DVNTF.

Corporate Jurisdiction: Ontario

Capitalization: Unlimited common shares with no par value of which45,617,783 common shares are issued and outstanding.
Escrowed Shares: 20,120,501 common shares

Transfer Agent: Computershare Investor Services Inc.
Trading Symbol: DIV
CUSIP Number: 25536K 30 3

For further information, please refer to the Company's Listing Application dated July 16, 2008 available at www.sedar.com.

Company Contact: David Hackett
Company Address: 2235 Sheppard Avenue East, Suite 1700, Toronto, Ontario M2J 5B5

Company Phone Number: (416) 756-2324 x275
Company Fax Number: (416) 756-7346
Company E-mail: dhackett@diversinet.com