Advisory: ClearSign Combustion Corporation to Host Live Web Event Reporting Major Milestone Achievement NOx Reduction

SEATTLE, Sept. 4, 2013 /PRNewswire/ -- ClearSign Combustion Corporation (Nasdaq: CLIR) will host a live web event, media briefing and roundtable discussion with subject matter experts from the energy, combustion and emissions control industries on Tuesday, September 10th, 2013 at 4:15PM EDT / 1:15PM PDT. The event will feature:

• Announcement of a major milestone achievement in the reduction of NOx emissions
• Primer on ClearSign technology, its applications and market implications
• Roundtable discussion with subject matter experts including current and former managers and leading researchers at Marathon Petroleum Corporation, Chevron Corporation, Southern California Gas Company / Sempra Energy, The Energy Solutions Center and the University of California, Berkeley.

To access the event, please click here (www.webcaster4.com/Webcast/Page/204/2035) five to ten minutes before the event is scheduled to begin. Alternately, to listen to an audio-only version, you should dial 1-800-860-2442 (international: +1-412- 858-4600) and request to be connected to the ClearSign Combustion Webcast.

About ClearSign Combustion Corporation
ClearSign Combustion Corporation designs and develops technologies that aim to improve key performance characteristics of combustion systems including energy efficiency, emissions control, fuel flexibility and overall cost effectiveness. Our Electrodynamic Combustion Control™ (ECC™) platform technology improves control of flame shape and heat transfer and optimizes the complex chemical reactions that occur during combustion in order to minimize harmful emissions. For more information about the Company, 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 LitigationReform Act of 1995 and the provisions of Section 27A of the Securities Act of 1933, asamended, 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. 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, including risks and uncertainties, 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 Quarterly Report on Form 10-Q 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.

SOURCE ClearSign Combustion Corporation