IDC Announces Annual General and Special Meeting of Shareholders Scheduled for July 12, 2011-Delivery of Meeting Materials to Shareholders Delayed Due to Labour Disruption at Canada Post

OTTAWA, ONTARIO--(Marketwire - June 21, 2011) - International Datacasting Corporation (the "Corporation") (TSX:IDC), a global leader in digital content distribution for the world's premiere broadcasters, announced today that its Annual General and Special Meeting of Shareholders will be held on Tuesday, July 12, 2011 at the Toronto Board of Trade, 1 First Canadian Place, 77 Adelaide Street West, Toronto, Ontario, commencing at 11:00 a.m. (Toronto time). The delivery to shareholders in Canada of the Notice of Meeting, Management Proxy Circular and form of Proxy (the "Meeting Materials") in connection with the Meeting will be delayed due to the ongoing labour disruption at Canada Post Corporation. The Corporation has made alternate arrangements to deliver the Meeting Materials to registered shareholders and non-objecting beneficial shareholders with addresses outside of Canada. The Meeting Materials will be delivered to shareholders with addresses in Canada as soon as possible after postal delivery services resume.

In the meantime, a copy of each of the Notice of Meeting, Management Proxy Circular and form of Proxy (for use by those shareholders who do not attend the meeting in person), may be found on SEDAR at www.sedar.com or on the Corporation's website at www.datacast.com. A full copy of the Meeting Materials may otherwise be obtained free of charge upon request from Investor Relations at the Corporation's head office located at 50 Frank Nighbor Place, Ottawa, Ontario (telephone – 613-596-4120, ext. 2215). A Q&A about voting at the Meeting in light of the Canada Post labour disruption and other general information concerning the Meeting may also be found on the Corporation's website at www.datacast.com.

About International Datacasting Corporation (IDC):

International Datacasting Corporation (TSX:IDC) is a global leader in digital content distribution for the world's premiere broadcasters in radio, television and digital cinema. IDC offers a broad portfolio of advanced solutions including Pro Audio, Pro Video, Pro Cinema and Pro Data for implementing broadcast content contribution and distribution applications. IDC's solutions and IDC Systems are in demand for radio and television networks, digital cinema, 3D live events, distance learning, satellite news gathering, sport contribution, digital signage, and IPTV among others. IDC is headquartered in Ottawa, Canada, with regional offices in Arnhem, the Netherlands and in San Diego, California. IDC has installations in over 100 countries and service offices in Australia, Singapore and China with an international network of value-added partners and distributors.