EXHIBIT 99.1


[ZIM LOGO]


                         ZIM Announces Management Change

Ottawa, Canada - December 30, 2004 - ZIM Corporation (OTCBB: ZIMCF), a leading
mobile application developer and service provider for the global SMS (Short
Message Service) channel, today announced that Tony Davidson has stepped aside
as Chief Technical Officer and Vice President, Engineering effective December
29, 2004. As a reflection of the Corporation's streamlined organizational
structure, ZIM has realigned the Chief Technical Officer and Vice President,
Engineering responsibilities to other positions within the organization.

"As Tony moves on to pursue new challenges, we would like to thank him for his
contribution to the success of ZIM and wish him the best for the future," said
Dr. Michael Cowpland, President and Chief Executive Officer of ZIM.

About ZIM Corporation
ZIM is a public company in the United States quoted on the NASDAQ owned and
operated OTCBB under the ticker symbol "ZIMCF". ZIM is a leading mobile
application developer and service provider for the global SMS channel. ZIM's
products include mobile e-mail and office tools, such as ZIM SMS Office and ZIM
SMS Mail, and its message delivery services include Bulk SMS, Premium SMS and
Location Based Services (LBS). ZIM is also a provider of enterprise-class
software and tools for designing, developing and manipulating database systems
and applications. Through its two-way SMS expertise and mobile-enabling
technologies, ZIM bridges the gap between data and mobility. For more
information on ZIM and its customers, partners and products, visit: www.zim.biz.



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For more information:

Jeremy Melhuish
Vice President
Communications and Marketing
ZIM Corporation

Text: +16138515144
Phone: 1 613.727.1397 ext. 171
E-mail: jmelhuish@zim.biz