REGI U.S., Inc.
OTC Bulletin Board : RGUS
FRANKFURT : RGJ

March 22, 2010 09:15 ET

REGI U.S., Inc. Announces RadMax™ U.S. Patent Application to Be Reviewed by the U.S. Patent and Trademark Office

VANCOUVER, BRITISH COLUMBIA--(Marketwire - March 22, 2010) - REGI U.S., Inc. ("REGI" or "RGUS") (OTCBB:RGUS)(FRANKFURT:RGJ) is pleased to announce that the U.S. Patent and Trademark office has been in contact with our patent attorney to commence a review of 24 Claims in the new patent application for the RadMax™ application.

Robert Grisar, Vice President of Engineering, states, "I am very pleased that the new RadMax™ design and claims are in the process of being reviewed. The new design claims are far more advanced than the existing Rand Cam technology patents, and once approved will give the Company an additional 20 years of patent technology protection."

ABOUT REGI U.S., INC.

REGI U.S., Inc. is developing for commercialization an improved axial vane type rotary engine known as the Rand Cam™/RadMax™ rotary technology used in the revolutionary design of lightweight and high efficiency engines, compressors and pumps. The RadMax™ engine has only two unique moving parts, the vanes (up to 12) and the rotor, compared to the 40 moving parts in a simple four-cylinder piston engine. This innovative design makes it possible to produce up to 24 continuous power impulses per one rotation that is vibration-free and extremely quiet. The RadMax™ engine also has multi-fuel capabilities allowing it to operate on fuels including gasoline, natural gas, hydrogen, propane and diesel. REGI U.S., Inc. and its parent company, Reg Technologies Inc., are currently designing and testing prototype RadMax™ diesel engines, compressors and pumps intended for aviation, automotive, industrial processes and military applications. For more information, please visit www.regtech.com.

ON BEHALF OF THE BOARD OF DIRECTORS

REGI US, Inc.

John Robertson, President

READER ADVISORY

Statements in this press release regarding the business of Reg Technologies Inc. and REGI U.S, Inc. (together the "Companies'") which are not historical facts are "forward-looking statements" that involve risks and uncertainties, including management's assessment of future plans and operations, and capital expenditures and the timing thereof, certain of which are beyond the Companies' control. There can be no assurance that such statements will prove accurate, and actual results and developments are likely to differ, in some case materially, from those expressed or implied by the forward-looking statements contained in this press release. Readers of this press release are cautioned not to place undue reliance on any such forward-looking statements.

Forward-looking statements contained in this press release are based on a number of assumptions that may prove to be incorrect, including, but not limited to: the impact of competitive products and pricing, the Companies' dependence on third parties and licensing/service supply agreements, and the ability of competitors to license the same technologies as the Companies or develop or license other functionally equivalent technologies; financing requirements; changes in laws, rules and regulations applicable to the Companies and changes in how they are interpreted and enforced, delays resulting from or inability to obtain required regulatory approvals and ability to access sufficient capital from internal and external sources, the impact of general economic conditions in Canada, and the United States, industry conditions, increased competition, the lack of availability of qualified personnel or management, fluctuations in foreign exchange, stock market volatility and market valuations of companies with respect to announced transactions. The Companies' actual results, performance or achievements could differ materially from those expressed in, or implied by, these forward-looking statements, including those described in Reg Technologies' financial statements, management discussion and analysis and material change reports filed with the Canadian Securities Administrators and available at www.sedar.com, and its Form 20-F filed with the United States Securities and Exchange Commission at www.sec.gov, and REGI's Form 10-KSB annual report filed with the United States Securities and Exchange Commission at www.sec.gov. Accordingly, no assurances can be given that any of the events anticipated by the forward-looking statements will transpire or occur, or if any of them do so, what benefits, including the amount of proceeds, that the Companies will derive therefrom.

Readers are cautioned that the foregoing list of factors is not exhaustive. All subsequent forward-looking statements, whether written or oral, attributable to the Companies or persons acting on its behalf are expressly qualified in their entirety by these cautionary statements. Furthermore, the forward-looking statements contained in this news release are made as at the date of this news release and the Companies do not undertake any obligation to update publicly or to revise any of the included forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required by applicable securities laws.

This news release does not constitute an offer to sell or a solicitation of an offer to buy any of the securities in the United States. The securities of the Company have not been registered under the United States Securities Act of 1933, as amended (the "U.S. Securities Act") or any state securities laws and may not be offered or sold within the United States or to U.S. Persons unless registered under the U.S. Securities Act and applicable state securities laws or an exemption from such registration is available.

Neither the TSX, nor any other securities regulatory authority has approved or is approved of the contents of this news release, nor accept responsibility for the adequacy or accuracy of this release.

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