REGI U.S., Inc. Obtains Patent Application from Radian Inc.

VANCOUVER, British Columbia--Dec. 27, 2005--REGI U.S., Inc. (OTCBB:RGUS) (BCN:RGJ) has successfully completed an agreement to obtain the rights to the RadMax technology preliminary patent application, the RadMax trademark, including study notes, drawings and parts list from Radian Inc.

In exchange for these property rights, REGI will provide an unconditional release to Radian for all obligations under the UAV license agreement dated April 24, 2002 and modified May 1, 20064, 2004.

John Robertson, President of REGI U.S., Inc., states, "Completing this agreement will allow REGI to own 100% interest in the rights to the new RadMax rotary design. Radian agrees to provide all the work completed to date, including preliminary patent applications and all hardware."

REGI is in the testing stage for the 42 H.P. diesel engine, which is being supervised by our rotary engine specialist. Several defense contractors have expressed interest in testing the 42 H.P. diesel engine for an unmanned aerial application.

ABOUT REG TECHNOLOGIES INC. / REGI U.S., INC.

REGI U.S., Inc. owns the U.S. rights and the parent company Reg Technologies Inc. owns the worldwide rights to the Rand Cam(TM) rotary technology. The engine is a light weight rotary engine that has only two moving parts: the vanes (up to 12) and the rotor, compared to the 40 moving parts in a simple four-cylinder piston engine. This revolutionary design makes it possible to produce a total of 24 continuous power impulses per one rotation that is vibration -free and extremely quiet. The Rand Cam(TM) engine also has multi-fuel capabilities and is able to operate using fuels including natural gas, hydrogen, propane and diesel. Reg Technologies Inc., together with REGI U.S., Inc., is in the process of testing a Rand Cam(TM) diesel engine for a generator application for hybrid electric cars and for unmanned aerial applications for the U.S. military. For more information please visit www.regtech.com.

ON BEHALF OF THE BOARD OF DIRECTORS

"John Robertson"

John Robertson

President

The TSX Venture Exchange has neither approved nor disapproved of the information contained herein. Statements in this press release regarding Reg Technologies/REGI's business which are not historical facts are "forward-looking statements" that involve risks and uncertainties, including the impact of competitive products and pricing, the need to raise additional capital, uncertain markets for the Company's products and services, the Company's dependence on third parties and licensing/service supply agreements, and the ability of competitors to license the same technologies as the Company or develop or license other functionally equivalent technologies.