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RadMax Prototype Gas Expander Development Announces Continued Progress of Prototype with Integrated Electricity Generation Capability

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The Board of Directors, Regi U.S., Inc. and its wholly owned subsidiary, RadMax Technologies, Inc., are pleased to announce continued progress in the development of the RadMax prototype, proofof-concept gas expander with integrated electricity generation capability.

Three iterations of the expander design have evolved during the past several months resulting from continual materials, sealing methods and individual component testing. Design improvements include low friction vane and rotating seal designs which have outperformed expectations. Encouraging results from testing have led to the filing of three new provisional patents with several others still being considered

Components for the latest design modifications are currently being fabricated in our prototype shop. Electricity generating components design and testing is being conducted separately and concurrently. Testing of electricity generation to date has shown a good correlation to computer simulations

Testing of further design improvements with electricity generating components integration to reach our initial goal of 65% device efficiency is expected to continue through the first quarter of 2018. We believe 70 – 80% device efficiency is achievable based on the laboratory validation of our expander and electricity generation predictive performance models.

Targeted applications for the electricity producing RadMax gas expander are the large commercial markets for air conditioning, refrigeration, natural gas distribution and other applications where throttling valves are commonly used, such as the Petrochemical Industrial sector. Electricity generation integration is also a major objective for RadMax internal and external combustion engines for portable, stationary, backup and emergency power generation. We have begun initial inquires to prospective industry co-development partners in these areas.

Proving the concept of the RadMax gas expander is an important building step in the further development of RadMax compressors and the RadMax external combustion engine applications with lessons learned directly applicable to these products. Development of these products will be accelerated once the gas expander proof-of-concept project is completed.

We will be exhibiting our technology at the POWER-GEN International 2017 Exhibition and Conference in Las Vegas, NV on December 5 – 7.

We encourage our investors to follow our progress on our website www.radmaxtech.com. ON BEHALF OF THE BOARD OF DIRECTORS Regi U.S., Inc. Paul Chute CEO

CONTACTS:
(509) 474-1040,
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7520 N. Market St. STE # 10 Spokane,
WA 99217-7800

ABOUT REGI U.S., INC.
RadMax Technologies, Inc., the wholly owned subsidiary of REGI U.S., Inc., is developing for commercialization multiple improved axial vane type rotary devices using our Patented RadMax™ Rotary Technology. This Technology allows for revolutionary designs of lightweight and high efficiency engines, compressors pumps and other devices. One current prototype, 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 several capabilities allowing it to operate on fuels including gasoline, natural gas, hydrogen, propane and diesel. For more information, please visit www.radmaxtech.com