CLEARSIGN COMBUSTION : Presents Successful Refinery Process Heater Retrofit Results at American Flame Research Committee's Annual Industrial Combustion Symposium

SEATTLE, Sept. 13, 2016/PRNewswire / -- ClearSign Combustion Corporation (NASDAQ: CLIR), an emerging provider of industrial combustion technologies that help to reduce emissions and improve efficiency, recently presented at the prestigious American Flame Research Committee (AFRC) Annual Industrial Combustion Symposium. During the session, ClearSign's Chief Operating Officer Dr. Roberto Ruizdiscussed the Company's Duplex™ technology in refinery applications, drawing from the companion whitepaper he authored.

Dr. Ruiz's presentation and whitepaper summarized results from recent refinery process heater retrofits in Californiaand Texas. The data collected from the installations showed that ClearSign's Duplex technology was successfully implemented and demonstrated the capacity to consistently operate with NOx emissions less than or equal to 6ppm over a wide range of operating conditions. This emissions performance satisfies the most stringent NOx regulations and is unmatched by any other retrofit combustion technology. To access the AFRC paper, please visit: http://www.clearsign.com/applications/duplex-products-for-refinery-process-heaters/.

'ClearSign is pleased with the results of our refinery process heater retrofit installations,' said Steve Pirnat, Chairman and CEO of ClearSign. 'Our industry leading technology offers the unmatched ability to lower emissions and increase efficiency, and it's backed by the best and brightest minds in the space, like Dr. Ruiz.'

The AFRC Annual Industrial Combustion Symposium attracts top industry experts from around the globe to discuss challenges and innovations within industrial combustion and includes all major oil producers, refiners and suppliers of industrial combustion equipment.

About ClearSign Combustion Corporation

ClearSign Combustion Corporation designs and is developing products and technologies that strive to improve key performance characteristics of combustion systems, including emissions and operational performance, energy efficiency and overall cost-effectiveness. Our patent-pending Duplex™ and Electrodynamic Combustion Control™ platform technologies enhance the performance of combustion systems in a broad range of markets, including the chemical, petrochemical, refinery, power and commercial boiler industries. For more information, please visit www.clearsign.com.

Cautionary note on forward-looking statements

This press release includes forward-looking information and statements within the meaning of the Private Securities Litigation Reform Act of 1995 and the provisions of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Except for historical information contained in this release, statements in this release may constitute forward-looking statements regarding our assumptions, projections, expectations, targets, intentions or beliefs about future events that are based on management's belief, as well as assumptions made by, and information currently available to, management. Forward-looking statements may be identified by words such as 'expect', 'anticipate', 'believe', 'intend', 'hope', 'could', 'plans' and other comparable or similar terminology as well as the negative of such terminology. While we believe that our expectations are based upon reasonable assumptions, there can be no assurances that our goals and strategy will be realized. Numerous factors may affect our actual results and may cause results to differ materially from those expressed in forward-looking statements made by us or on our behalf. Some of these factors include the acceptance of existing and future products, the impact of competitive products and pricing, general business and economic conditions, and other factors detailed in our Annual Report on Form 10-K and other periodic reports filed with the SEC. We specifically disclaim any obligation to update or revise any forward-looking statement whether as a result of new information, future developments or otherwise.

About The American Flame Research Committee

The American Flame Research Committee (AFRC) is composed of representatives of industrial and research organizations and associated eminent combustion expert members in the United States, Canadaand Mexico. The AFRC sponsors open forums in North Americaon applied combustion technology and research and supports the applied combustion research activities of the International Flame Research Foundation (IFRF). The IFRF is a worldwide network of industrial companies and academic institutes working to achieve cleaner and more efficient industrial combustion. The main task of the Foundation is thus the acquisition and generation of information with which to design flames for the efficient heating of industrial processes, with minimal environmental effects, and thereafter the design of combustion equipment to produce such flames.

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SOURCE ClearSign Combustion Corporation