ClearSign Combustion Corporation Announces Its Addition to the

ClearSign Combustion Corporation Announces Its Addition to the MSCI
Micro Cap Index 
SEATTLE, WA -- (Marketwire) -- 11/27/12 --  ClearSign Combustion
Corporation (NASDAQ: CLIR), an emerging leader in combustion and
emissions control technology for industrial, commercial and utility
markets, announced today that the Company will be added to the MSCI
Micro Cap Index, to be implemented as of the close of November 30,
2012. This information has been posted on MSCI's web site at  
MSCI Inc. is a leading provider of investment decision support tools
to investors globally, including asset managers, banks, hedge funds
and pension funds. The company's flagship product offerings include
the MSCI indices with approximately US$7 trillion estimated to be
benchmarked to them on a worldwide basis. MSCI is headquartered in
New York, with research and commercial offices around the world. 
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(TM) (ECC(TM)) 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  
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. While we believe that
our expecta
tions 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. 
Media Contact:
Dennis S. Dobson, Jr.
(203) 258-0159 
Investor Relations:
(206) 673-4848 
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