374water Inc. · NASDAQ:SCWO

374water — Investor Presentation (October 2026)

25 slides from 374water's investor presentation, Oct 29, 2026

  1. Slide 1: Investor Presentation

    374WATER® Destruction, for Good 374Water Investor Presentation Investor Presentation NASDAQ: SCWO October 2026

  2. Slide 2: Important Information

    Important Information 374WATER® Forward-Looking Statements. This presentation contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, including statements regarding the timi

  3. Slide 3: Company Overview

    374WATER® Company Overview

  4. Slide 4: Growth & Progress

    Growth & Progress 2011 - 2021 Duke University prototype + First AirSCWO system, funded by the Gates Foundation ~190 waste streams processed over a decade of testing on the prototype system 2022 - 2023 First commercial-scale system + Contracted by Orange County Sanitation District, CA + Built in Koko

  5. Slide 5: How We Make Money

    374WATER® How We Make Money We destroy waste, three ways. Waste Destruction Services “WD: Mobile WDS (CWO Sales & Operations Customers will send their waste to our hubs and pay us to destroy it. Fee-for-service, recurring revenue. WHERE IT’S WORKING + Orlando WDS hub completing construction: the fir

  6. Slide 6: Our Strategy

    Our Strategy 374WATER® Three horizons to scale 374Water: NOW NEXT HORIZON Waste Destruction Services Regional biosolids infrastructure Take the model global + Fee-for-service destruction anchored + Serve the 16,000+ U.S. wastewater + Company-owned destruction by the Orlando hub treatment facilities

  7. Slide 7: Understanding the Markets

    374WATER® Understanding the Markets

  8. Slide 8: Market Overview

    Market Overview 374WATER® Three waste streams, from federal, municipal and industrial customers. FEDERAL MUNICIPAL INDUSTRIAL Waste stream 5B+ annual US. federal $347B: us. municipal marker, $128B: us. industrial market, by buyer group 2025 , Airport and fire-department Refinery and petrochemical AF

  9. Slide 9: Regulation Is Accelerating Demand

    Regulation Is Accelerating Demand 374WATER® Liability now follows the waste. Destruction is becoming the only answer. @ CERCLA (Superfund) designation, upheld @ stringent federal action April 2024: PFOA and PFOS designated hazardous substances, EPA announced an agency lead for PFAS, new effluent lim

  10. Slide 10: AFFF and PFAS Wastes

    AFFF and PFAS Wastes 374WATER® ~10M gal of AFFF and Rinsate sits with fede 2 ers. Federal: Department of Municipal: civil aviation Municipal: fire Defense departments ~3.5M gal ~1.8M gal ~1M gal Since 2026 AFFF and rinsate to destroy AFFF concentrate held (last ~0.9M gal AFFF at airports __ nationwi

  11. Slide 11: Biosolids: A National Problem Without a Solution

    Biosolids: A National Problem Without a Solution 374WATER® ~16,000 dry tons a day, and the cheapest outlets are closing. USS. biosolids by management practice (dry tons/day) 15,925 Other practices* 6,019 Incinerated 2,074 Surface disposed |) 535 Pressure is building © Maine (LD 1911) bans land appli

  12. Slide 12: Other Industrial Wastes

    Other Industrial Wastes 374WATER® Beyond PFAS and biosolids: organic wastes that today get moved, not destroyed. @ Hazardous organic waste @ Hydrocarbons @ Pharmaceutical waste Organic residues from chemical LNAPL and petroleum, oil and Pharmaceutical manufacturing and manufacturing lubricant (POL)

  13. Slide 13: AirSCWO in the Field

    374WATER® AirSCWO in the Field

  14. Slide 14: AirSCWO Technology

    AirSCWO Technology 374WATER® AirSCWO destroyed 99.9993% of PFAS in firefighting foam, WASTE IN AirSCWO REACTOR @ Clean, dischargeable water Organic wet wastes Supercritical water oxidation AFFF, PFAS concentrates and Above 374°C and 221 bar, water and @ Inert mineral effluent spent media, biosolids,

  15. Slide 15: Materials Destroyed by AirSCWO

    Materials Destroyed by AirsCWO 374WATER® 200+ waste types destroyed, PFAS WASTES & BIOSOLIDS Sludges Spent ion Spent Granular FFF Firefighting Foam Fractionate Landfill Soil Contaminants & Biosolids Exchange Resin _ Activated Carbon Foam Leachate & Rinse Water OTHER INDUSTRIAL WASTES — Ss, = Munitio

  16. Slide 16: SCWO Systems

    ‘SCWO Systems 374WATER® Two system formats: mobile for campaigns, modular for permanent sites. i S74WATER’ FOR CAMPAIGNS AT THE CUSTOMER'S SITE FOR PERMANENT SITES AND WDS HUBS Mobile AirscwO Modular & Scalable AirsCcwO + Moves to the waste instead of hauling the waste to us + Capacity grows by addi

  17. Slide 17: Municipal Deployments

    Municipal Deployments 374WATER® Four projects across all three business lines establish commercial success WASTE DESTRUCTION SERVICES MOBILE wos Orlando, Florida St. Cloud, Minnesota Gity of Orlando - Iron Bridge Water Reclamation Facility City of St. Cloud - with Barr Engineering Co. + Operating un

  18. Slide 18: Federal Pathway

    Federal Pathway 374Water + Arcadis partner to offer @ jury 2026 ERDC report released U.S. Army Corps of Engineers report documents 99.9993% PFAS destruction in AFFF, co-authored and validated by Arcadis 574 DoD installations where PFAS contamination requires remediation, plus legacy AFFF stockpiles

  19. Slide 19: Waste Destruction Services: Orlando Hub

    Waste Destruction Services: Orlando Hub 374WATER® re Our first Waste Destruction Services hub, ~16,110 sq ft ~88,000 gal 25.2 wet tons Central Florida Net processing area in the old On-site waste storage Biosolids processed in the Iron AFFF, PFAS wastes and non- digester building (237' x 77) Bridge

  20. Slide 20: Mobile WDS: St. Cloud, Minnesota

    Mobile WDS: St. Cloud, Minnesota 374WATER® Our mobile AirSCWO system: FOUR FEEDSTOCKS PROCESSED, JUNE TO SEPTEMBER 2026 Class B biosolids @ Class B biosolids @ Class A biosolids @ Pre-digestion sludge blended with PFAS- laden spent GAC $600K 40f4 96 Mobile WDS contract with the City of St. Campaign

  21. Slide 21: Leadership

  22. Slide 22: Leadership Team

    Leadership Team 374WATER® Daniel “Danny” Bogar President & Chief Executive Officer Danny brings more than 20 years of executive leadership experience spanning finance, strategic business development and international operations. He served 1s President & COO of PowerVerde, was a key part of its merge

  23. Slide 23: Leadership Team

    Leadership Team 374WATER® Sunny Viswanathan VP, Municipal & Industrial Solutions Sunny brings more than 25 years of sales leadership, previously as National Sales Manager at Veolia and in product management and engineering roles at SUEZ. Mr. Viswanathan holds a Master of Science in Environmental Eng

  24. Slide 24: Board of Directors

    Board of Directors James Pawloski Director Me. Pawki wae Presdant & CEO of Veolia North America Regeneration and Recovery Solutions untl September 2023, ‘overseeing averse portfolio in environmental services focused ‘on liquid waste management and ecient recovery. Previously, he spent 25 years with

  25. Slide 25: Contacts

    7T4WATER® Destruction, Solutions Contacts Vice President, Municipal & Industrial Solutions Direct: 919-800-9221 SV@374Water.com Vice President, Government Solutions Direct: 202-255-6630 Howard. Teicher@374Water.com NASDAQ: (©2026 37awater inc. All RightsReserved Investor Contacts President & CEO Dir

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