Flares Sold by International Combustion and Controls, a Division of California Boiler,
Feature ClearSign Core™ NOx reduction technology

SEATTLE, May 14, 2020 –ClearSign Technologies Corporation (Nasdaq: CLIR) (“ClearSign” or the “Company”), an emerging leader in industrial combustion and sensing technologies that improve energy, operational efficiency and safety while dramatically reducing emissions, announces that the Company has received an order from our collaborative partner ASHCOR for ClearSign Core flare technology systems (branded “pods”) to build into four ultra low NOx emission produced gas flares destined for a Southern California operator. The flares were sold and will be installed by our mutual channel affiliate International Combustion and Controls, a Division of California Boiler.

“We are encouraged to have received this order and to see the culmination of our collaborative efforts start to gain traction in this market,” said Jim Deller, Ph. D, CEO of ClearSign. “ASHCOR was our first commercial alliance and it is great to see the new ClearSign business model successful. This collaborative effort demonstrates our ‘Asset Lite’ commercialization strategy by including ClearSign technology as ‘ClearSign Core’ in established equipment suppliers products with ASHCOR as our flare business partner and International Combustion and Controls delivering the final solution to our customer not only as the supplier of equipment but providing full service as the installer. We commend and thank both companies for their commitment to better serve our mutual customers, and for working together with us to provide leading environmentally friendly combustion installations. We look forward to growing this business with both companies as our unique offering gains traction and industry recognition.”

About ClearSign Technologies Corporation

ClearSign Technologies Corporation designs and develops products and technologies for the purpose of improving key performance characteristics of industrial and commercial systems, including operational performance, energy efficiency, emission reduction, safety and overall cost-effectiveness. Our patented technologies, embedded in established OEM products as ClearSign Core™, and ClearSign Eye™ and other sensing configurations, enhance the performance of combustion systems and fuel safety systems in a broad range of markets, including the energy (upstream oil production and down-stream refining), commercial/industrial boiler, chemical, petrochemical, transport and power industries. For more information, please visit www.clearsign.com.

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For further information:

Investor Relations:
Matthew Selinger
Firm IR Group for ClearSign
+1 415-572-8152