Perma-fix Environmental Services, Inc. · NASDAQ:PESI
Perma-fix Environmental Services — Investor Presentation (September 2026)
19 slides from Perma-fix Environmental Services's investor presentation, September 2026
Slide 1: A Global Leader in Nuclear and Mixed Waste Management Services
A G lob al Le ader in Nucl ear and Mi xed Wast e M ana gement Ser vice s Inv estor Presentation: September 2 026 (Rev ised) NASDAQ: PESI
Slide 2: Safe Harbor
Safe Harbor Certain statements contained within this presentation may be deemed “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 (collectively, the “Private Securities Litigati
Slide 3: Company Overview
Company Overview Perma-Fix is a leading provider of hazardous & nuclear waste disposal and treatment services. Stable base revenue business – with 4 major near-term growth opportunities Massive barriers to entry in highly regulated space 1. Treatment Segment (~73% Revenue 2025) Permitted, licensed,
Slide 4: Sr. Management Team
Sr. Management Team Mark Duff, President & Chief Executive Officer 41 years of experience in the DOE & DOD environmental and construction markets. Prior to joining Perma-Fix in 2016, Mr. Duff had been responsible for the successful completion of over 70 performance-based projects at the Paducah Gase
Slide 5: Market Overview
Market Overview Department of Energy ✓ Environmental Management (EM) • Sixteen large and active sites in the US with area equal to Rhode Island and Delaware combined • Roughly 88 million gallons of liquid waste stored in underground tanks • Long-duration cleanup mission requiring treatment, stabiliz
Slide 6: Waste Treatment Facilities
Waste Treatment Facilities Four fixed-based facilities with active permits and licenses to treat most waste streams in the industry • Broad existing permits allow treatment and management of waste for final disposition • Trained and experienced workforce with long tenure at Perma-Fix and a strong sa
Slide 7: Growth Initiatives
Growth Initiatives Perma-Fix has 4 near-term, mature, significant growth initiatives Opportunity to materially expand the scale and margin profile of the business 1) Waste Treatment Plant Upgrades 2) Hanford / DOE Program Opportunities 3) International Waste Treatment Growth 4) PFAS Treatment Techno
Slide 8: Waste Treatment Plant Upgrades
1 Waste Treatment Plant Upgrades #1) PFNW (Perma-Fix Northwest) • In final design and procurement for grouting expansion within existing buildings; upgrades expected ready by Q3 2027, with storage capacity increasing from approx. 650,000 to 800,000 gallons • Current liquid mixed waste processing cap
Slide 9: Hanford Program Implementation
2 Hanford Program Implementation DOE commitments with the EPA and Dept. of Ecology in a legally binding document to meet milestones for cleanup at the Hanford site #1) DFLAW Effluent Waste • DFLAW Record of Decision commits the DOE to send effluent waste from DFLAW to PFNW for at least 10 years afte
Slide 10: International Growth
3 International Growth Italy – Joint Research Centre (JRC) Contract • €50M contract over 7 years Joint Venture at 50/50 split • Project continues to advance, with field work beginning now • Characterization work beginning in Q3 2026, with initial waste receipts now expected in Q3 2027 Other Internat
Slide 11: Technology Development – PFAS
4 Technology Development – PFAS What are PFAS Chemicals • Per- and Polyfluorinated Substances (PFAS), commonly known as “forever chemicals,” do not degrade over time through any natural process or environmental conditions • Scientific studies have linked PFAS exposure to reproductive effects; increa
Slide 12: Technology Development – PFAS (cont)
4 Technology Development – PFAS (cont) Deployment Status and Next Steps • Completed fabrication, installation, commissioning, and startup of first full-scale commercial Perma-FAS system at the Company’s Perma-Fix Florida facility • Successfully processed first commercial PFAS- containing waste mater
Slide 13: Historical Revenue
Historical Revenue ($ in thousands) 120,000 Second Quarter 2026 Financial Highlights • Revenue of $12.9 million • Services segment revenue increased 44% to $4.6 100,000 million • Treatment backlog increased 29% to $15.7 million at June 30, 2026, from $12.2 million • Cash of $20.5 million, plus $13.5
Slide 14: Profitability Model
Profitability Model Segment Gross Profit: Fixed vs Variable Costs* Treatment Segment: High incremental Services Segment: Lower incremental margins (revenue minus variable costs**) margins (revenue minus variable costs) but result in significant gross profit growth when substantially lower fixed cost
Slide 15: DOE Hanford East Area Tank Mission
DOE Hanford East Area Tank Mission Source: U.S. Department of Energy, Hanford Field Office, “Hanford East Area Tank Mission” (Version 8.1). Reproduced for refer ence. DOE materials reflect DOE planning and do not constitute an award, task order or commitment to the Company. NASDAQ: PESI 15
Slide 16: Hanford Opportunity – Illustrative Revenue Build
Hanford Opportunity – Illustrative Revenue Build* System Assumed Start Vol / Month Vol / Year Annual Revenue 200 East – Initial Grouting (TSCR) Jan 2027 60,000 Gal 720,000 Gal $28.8M 200 East – Combined Waste (TSCR + AMPS Upgrade) Jan 2028 130,000 Gal 1,560,000 Gal $62.4M DFLAW – EMF** Oct 2026 16,0
Slide 17: Recap & Outlook
Recap & Outlook • Highly Encouraged by the Outlook for the Second Half of 2026 • Key Growth Drivers: • Treatment backlog up 29% in Q2 to $15.7 million on growing Hanford-related waste receipts • H2C Master IDIQ Subcontract awarded August 2026; task orders eligible beginning January 2027 • DFLAW-rela
Slide 18: Investment Summary
Investment Summary ✓ Positioned to be the leader in the multibillion-dollar nuclear services & waste treatment market • PFNW is strategically positioned to support growing Hanford-related waste streams, including DFLAW volumes now being received and future grouting task orders under the H2C Master I
Slide 19: Key Statistics
Key Statistics NASDAQ: PESI Current Price (9/21/26): $17.34 Shares Outstanding (8/7/26): 21.2 M Market Cap (9/21/26): $367.9 M Fiscal Year End: December 31 Inside Beneficial Ownership (9/17/26)*: 8.55% *Determined in accordance with the rules promulgated under Section 13(d) of the Exchange Act NASDA
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