American Marconi Wireless News - ClearSign Receives ClearSign Core(TM) "M" Series Burner Order for Multinational Energy Company Mid-Stream Facility in West Texas

TULSA, OK / ACCESS Newswire / November 4, 2025 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and safety, and support the use of cleaner fuels including hydrogen, today announces that it has received a purchase order for a ClearSign Core^™ M25 burner, one of its "M" Series process burners, from heater manufacturer Devco Process Heaters of Tulsa, Oklahoma ("Devco").

"We're thrilled to see the growing interest in our 'M' Series burner line translating into sales, with this second order from Devco coming within just one week," said Jim Deller, Ph.D., Chief Executive Officer of ClearSign. "This model, the ClearSign Core^™ M25, was developed in direct response to feedback from our channel partners, such as Devco, with the goal of offering a flexible solution to meet an unmet need in the market. We greatly appreciate Devco's input, as well as their efforts to promote and sell our products. Based on the feedback we've received, along with ongoing requests for proposals and repeat orders, we remain confident in the significant market opportunity of the 'M' Series burners for ClearSign."

The ClearSign Core^™ M25 burner, sold through Devco, will be installed as a retrofit in an existing hot oil heater at a gas processing facility of a multinational energy company in West Texas. The Company expects to deliver the burner in the first quarter of 2026.

About ClearSign Technologies Corporation

ClearSign Technologies Corporation designs and develops products and technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial systems, including operational performance, energy efficiency, emission reduction, safety, the use of hydrogen as a fuel 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.

For further information:

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

Cautionary note on forward-looking statements

All statements in this press release that are not based on historical fact are "forward-looking statements." You can find many (but not all) of these statements by looking for words such as "approximates," "believes," "hopes," "expects," "anticipates," "estimates," "projects," "intends," "plans," "would," "should," "could," "may," "will" or other similar expressions. While management has based any forward-looking statements included in this press release on its current expectations on the Company's strategy, plans, intentions, performance, or future occurrences or results, the information on which such expectations were based may change. These forward-looking statements rely on a number of assumptions concerning future events and are subject to a number of risks, uncertainties and other factors, many of which are outside of the Company's control, that could cause actual results to materially differ from such statements. Such risks, uncertainties and other factors include, but are not limited to, the Company's ability to successfully complete engineering and equipment supply orders for its customers; the Company's ability to successfully deliver, install, and meet the performance obligations of the Company's burners in the United States market and any other markets the Company may sell products in; the Company's ability to further expand the sale of ultra-low NOx process, flare and boiler burners; the Company's ability to continue expanding its customer base in the refining industry and midstream market; the Company's ability to effectively compete in the midstream market; the Company's ability to successfully market its "M" Series process burner line, including, but not limited to, the ClearSign Core™ M25, through its channel partners or otherwise; the Company's ability to provide low emissions solutions based on continuously changing air permit requirements at the federal and state level; general business and economic conditions; the Company's ability to maintain its business relationship with Devco; the performance of management and the Company's employees; the Company's ability to obtain financing; whether the Company's technology will be accepted and adopted and other factors identified in the Company's Annual Report on Form 10-K and other periodic and current reports filed with the U.S. Securities and Exchange Commission and available for review at www.sec.gov. Furthermore, the Company operates in a competitive environment where new and unanticipated risks may arise. Accordingly, investors should not place any reliance on forward-looking statements as a prediction of actual results. The Company disclaims any intention to, and, except as may be required by law, undertakes no obligation to, update or revise forward-looking statements to reflect events or circumstances that subsequently occur or of which the Company hereafter become aware.

SOURCE: ClearSign Technologies

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S.Gregor--AMWN