International Datacasting Wins $2.7 Million Contract With National Public Radio for New Streaming Audio Network

Business Wire, March 22, 2005

WASHINGTON -- International Datacasting Corporation (IDC) (TSX:IDC) announced today that it has signed a new contract with National Public Radio (NPR)-one of the most prestigious broadcast radio networks in the United States-to significantly expand the ContentDepot, public radio's next-generation distribution system. The order is valued at $2.7 million CDN and adds a streaming audio subsystem to the "store and forward" file transfer system IDC previously designed and produced for ContentDepot in 2004.

NPR manages the Public Radio Satellite System (PRSS), which distributes programming from NPR and other producers to interconnected stations nationwide. Traditionally, all public radio programming has been distributed in "real time" (broadcast live and/or recorded at the station level for playback later.) ContentDepot offers stations the ability to select and schedule content in the form of files delivered to the station.Last year IDC won a competitive tender to provide the file transfer infrastructure (that previous contract has generated $2.5 million CDN in revenue thus far). IDC's SuperFlex DVB IP datacasting system and Datacast XD content distribution and management system form the infrastructure for the distribution of public radio programming content nationwide via satellite.

Pete Loewenstein, NPR's Vice President for Distribution commented, "This project is the culmination of years of study and evaluation as well as many, many months of testing.We have a diverse base of stations and our challenge was to meet the needs of all of our user community. IDC has been an excellent partner for us in this process.Their combination of expertise in digital audio broadcasting, as well as broadband data distribution, is superb."

Ron Clifton, IDC's President and CEO said, "The term 'convergence' has been a buzzword for several years, but the ContentDepot underscores the fact that convergence is here.We at IDC have deep roots in the digital audio industry and it is exciting to see it come full circle and meet up with the leading-edge work we've been doing in the delivery of multimedia IP files and streams."

The new contract includes enhancements of existing IDC products as well as custom engineering to build a robust system to deliver dozens of channels of live, streaming audio as well as hundreds of programs in the form of files. IDC will incorporate some of these innovations into its standard product line and launch several new products for the digital audio market this spring.

One key enhancement is the ability to inject metadata (including Program-Associated Data or PAD).Information associated with these files and streams can be used for more accurate programming/playback, and eventually for text displays in the future deployment of "High Definition (HD) Radio".

IDC worked closely with NPR's overall system integrator, Siemens Business Services Media (SBS Media, formerly BBC Technology) on both projects-this teamwork was critical to developing a seamless interface with a wide range of industry-standard automation equipment.The final system offers an end-to-end solution allowing stations to streamline programming, cut costs and improve quality. (For more information on the ContentDepot see www.prss.org/contentdepot)

Ron Clifton continued, "The NPR system is first class and it's been a privilege for us to work with NPR on this project. Over the coming months we will be working closely with other broadcasters in order to provide them with the tools they need to take advantage of the fundamental advances and innovations in this technology."

About International Datacasting Corp.:

IDC (TSX:IDC) provides advanced products, systems and services for the implementation of broadband wireless infrastructure networks used to distribute multimedia data. IDC is at the forefront of delivering IP-based datacasting solutions via satellite and content distribution technologies. IDC's products are in demand for high-speed Internet infrastructure, enterprise networks, distance learning, and multimedia content distribution. IDC is a recipient of numerous awards including the prestigious Canada Export Award for Innovation and Technology Achievement. IDC is headquartered in Ottawa, Canada with an established international network of partners and distributors and installations in more than 75 countries worldwide. Visit IDC on the web at www.intldata.ca.

About National Public Radio (NPR):

NPR is renowned for journalistic excellence and standard-setting news and entertainment programming. A privately supported, non-profit, membership organization, NPR serves a growing audience of more than 22 million Americans each week via more than 770 public radio stations. International partners in cable, satellite and short-wave services make NPR programming accessible anywhere in the world.

This press release contains forward-looking statements that may involve risks and uncertainties.Actual results may differ materially.Factors that might cause a difference include, but are not limited to, competitive developments, risks associated with IDC's growth, the development of the satellite datacasting market, regulatory risks, intellectual property infringement and other factors.IDC assumes no obligation to update these forward-looking statements to reflect events or circumstances after the date hereof. More detailed information about potential factors that could affect IDC's financial and business results is included in the public documents IDC files from time to time with Canadian securities regulatory authorities.