Clearsign Technologies Corporation · NASDAQ:CLIR
Clearsign Technologies — Investor Presentation (September 2026)
15 slides from Clearsign Technologies's investor presentation, September 2026
Slide 1: Commercializing Innovative Combustion Technologies
Commercializing Innovative Combustion Technologies NASDAQ: CLIR Corporate Presentation September 2026
Slide 2: Safe Harbor Statement
Safe Harbor Statement This presentation is made solely for informational purposes and no representation or warranty, express or implied, is made by ClearSign Technologies Corporation (“ClearSign,” “we,” “us,” “our,” and, together with our subsidiaries, the “Company”) or any of its representatives as
Slide 3: ClearSign is an industrial technology company specializing in advanced low emissions equipment
ClearSign is an industrial technology company specializing in advanced low emissions equipment. • Developed a proprietary industrial burner technology that essentially eliminates highly regulated NOx emissions at the source while burning a wide range of fuels including hydrogen • Enables mandatory r
Slide 4: The Problem
The Problem Increasing hydrocarbon production and use forces tighter pollution controls, most importantly emissions of nitrogen oxides (NOx). $$ Energy companies face hundreds of millions in costs to install traditional catalytic equipment required to remove toxic NOx emissions and comply with moder
Slide 5: The Solution
The Solution • ClearSign’s innovative technology essentially eliminates NOx at the source using specialized ceramic or metallic structures • Key IP – addresses NOx formation by both chemical pathways in a flame • Clients switching to ClearSign’s specialized “plug and play” burners: - Save over 80% i
Slide 6: ClearSign Products
ClearSign Products Process Burners Midstream Burners Flares Refineries & Pipeline & Midstream Upstream & All Hydrocarbon Petrochemical Plants Companies Processors 6
Slide 7: Validation
Validation Process Burners Midstream Burners Flares • ClearSign $475k – SCR* cost • M1 First field data 2ppm NOx vs • First formal validation test $2.7M 8ppm TX permit requirement • Demonstrated 0.6 x new CA • Recognized as Best Available 15ppm NOx limit Control Technology (BACT) * Selective Calatyt
Slide 8: Competitive Advantage
Competitive Advantage Protected Fuel CAPEX Demonstrated Added Technology IP Flexibility + OPEX NOx Equipment ClearSign Yes Yes $ Low Minimal Core 2TM John Zink With complex Yes $$$ Low Significant SOLEXTM Controls Honeywell Yes Yes $$$ Low Significant Callidus CUBPTM XRG With complex Yes $ Mid Moder
Slide 9: Market Opportunity
Market Opportunity Low NOx Combustion Equipment Market $1.2B Estimated Near Term Annual Obtainable Market with Current Global Annual Market Technology and Regulations (TAM) Process Burners $82M Driven by low-NOx emissions regulations, characterized by Upstream Flares $7M a mix of immediate regional
Slide 10: Business Model
Business Model Sales Revenue • Products range from $50k to $1.5M with typical 45% gross profit margin target at project level Licensing • Customer fabrication with plans and performance guarantee Aftermarket Services Aftermarket Services and Parts • Technical services and replacement parts Technolog
Slide 11: Market Traction
Market Traction Why Now? US Gulf Coast start-up M Series adoption in Permian Basin Major flare start-ups in California 30 Operating Installations 24 Installations in Progress 11
Slide 12: Partnerships Driving Adoption
Partnerships Driving Adoption Zeeco Partnership • Collaborative partnership with industry major Zeeco, a global leader in advanced combustion and environmental solutions with 30+ global locations • Operates the world's largest industrial-scale test facility in Broken Arrow, OK • Witness testing and
Slide 13: Key Team Members
Key Team Members Management Jim Deller, Ph.D. Matthew Martin Chief Executive Officer Chief Technology Officer Brent Hinds Stephen Sock Chief Financial Officer Sr. VP of Business Development Jeff Lewallen VP, Burner Business Board of Directors G Todd Silva Lou Basenese Anthony DiGiandomenico Jim Dell
Slide 14: Capital Markets Snapshot
Capital Markets Snapshot NASDAQ Recent Commercial Developments CLIR • Aug. 11, 2026: Board of Directors Appoints Former ExxonMobil Global Technology Leader Larry Saddler • Jul. 28, 2026: Receives Order for “M1” Series Burner from Tulsa Heaters Market Cap $23.1M Midstream (THM) (as of June 30, 2026)
Slide 15: Contact Us
Contact Us ClearSign Technologies Headquarters 8023 E. 63rd Place, Suite 101 Tulsa, Oklahoma 74133 info@clearsign.com Investor Relations Matthew Selinger Firm IR Group 415-572-8152 mselinger@firmirgroup.com www.clearsign.com 15
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