Appointment of New President
1/17/2007

Mine Radio Systems (MRS) Appoints New President

Goodwood, ON –
The Board of Directors of Mine Radio Systems Inc. is pleased to announce the
appointment of company Vice-President Ken Morrell to the position of President
effective immediately. In its resolution of December 6, 2006, the Board also announced
that Patrick Waye, who has served as President and CEO of MRS for more than a
decade, takes over as Chairman. Patrick will be concentrating on new product
development, mergers and acqusitions, and company growth strategies.

“Changes are well underway, with more to come as MRS expands its tunneling expertise
to existing and new global markets.” says Mr. Waye.

Waye adds, “the move was orchestrated to clarify company operating responsibilities to
our employees, customers, associates and suppliers”.

Mine Radio Systems is an ISO 9001-2000 registered company with integrated mine
management and operational system installations in more than forty five countries and
has offices in Canada, the U.S., Australia, South Africa, Europe, Hong Kong and Mexico.

For More Information, contact:
Cindy Chesney
Sales/Marketing Coordinator
Mine Radio Systems Inc.
394 Highway 47, R. R. #1
Goodwood, Ontario
L0C 1A0
Tel: +1 905 640 1839
Fax: +1 905 640 1649
Cindy_Chesney@MineRadio.com
www.mineradio.com