Minerals Technologies Inc. · NYSE:MTX
Minerals Technologies — Gabelli PFAS Symposium 2026
29 slides from Minerals Technologies's conference presentation, Sep 24, 2026
Slide 1: PFAS Remediation Technology: FLUORO-SORB Adsorbent
PFAS Remediation Technology: FLUORO-SORB® Adsorbent September 24th, 2026
Slide 2: Forward Looking Statements and Non-GAAP Measures
Forward Looking Statements and Non-GAAP Measures This presentation may contain "forward‐looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements provide current expectations and forecasts of future events such as new products and mark
Slide 3: A Well-Balanced Portfolio Positioned for Growth
A Well-Balanced Portfolio Positioned for Growth $2.1B ~4,000 34 12 Net Sales Employees Countries R&D Centers CONSUMER ENGINEERED Sales* $1.1B $1.0B Sales* & SPECIALTIES SOLUTIONS Functional components in a variety of consumer and industrial goods Designed to improve our customers’ manufacturing proc
Slide 4: PFAS Remediation Market: FLUORO-SORB Adsorbent Technology Developments
PFAS Remediation Market FLUORO-SORB® Adsorbent Technology Developments MTI Value Proposition EPA National Drinking Water Regulation for 2 PFAS • Vertically integrated mineral reserves coupled with proprietary Compounds to Stay in Place technology and know-how With Compliance by 2031 • Established ma
Slide 5: PFAS Regulatory Uncertainty: 2026 Shift Toward Clarity
PFAS Regulatory Uncertainty 2026 Shift Toward Clarity 5
Slide 6: FLUORO-SORB Adsorbent: What Is It? How Does It Work?
FLUORO-SORB® Adsorbent WHAT IS IT? HOW DOES IT WORK?
Slide 7: Particle Surface Modification
Particle Surface Modification Unique bentonite properties: • Contains montmorillonite platelets • Each platelet is 1 nanometer thick and thousands of nanometers long and wide • Platelets have very high surface area (800 m2/gram) • Platelet surface is negatively charged – edges are positively charged
Slide 8: PFAS Adsorption Mechanism
PFAS Adsorption Mechanism FLUORO-SORB ® BENTONITE ADSORBENT FLUORO-SORB ® Platelet + PFAS Molecule + + Increasing adsorption of PFAS Surface Active Agents + + MTI US Patent 11,000,822 Source: Yan, B., Wang, J., Liu, J. (2021) Water Research, 201, 117371. 8
Slide 9: FLUORO-SORB Adsorbent Value Proposition
FLUORO-SORB® Adsorbent Value Proposition Operating Efficiency and Capacity Kinetics and Footprint Media Carbon Ion Exchange FLUORO-SORB® Contact time with 10 minutes 2 minutes 2 minutes 5X FLUORO-SORB® media bed* ION EXCHANGE MEDIA LIFE / CHANGEOUT FREQUENCY PERFORMANCE + 3X CARBON VS. 1X ADSORBENT
Slide 10: Particle Property Engineering
Particle Property Engineering Unique capability to design properties for versatile applications FLUORO-SORB® 100 FLUORO-SORB® 200 FLUORO-SORB® P ADSORBENT ADSORBENT ADSORBENT SUBSURFACE INJECTION SUBSURFACE INJECTION DRINKING WATER FILTRATION WATER PRE-TREATMENT SOIL REMEDIATION (MIXING) GROUNDWATER
Slide 11: FLUORO-SORB Adsorbent Versatility of Deployment
FLUORO-SORB® Adsorbent Versatility of Deployment Technology designed to selectively adsorb PFAS from water and sediments FLUORO-SORB® Adsorbent interacts with PFAS, thus spread of contamination is controlled Engineered manufacturing capabilities allow product variations resulting in enhanced versati
Slide 12: Innovation Continues
FLUORO-SORB® Adsorbent INNOVATION CONTINUES
Slide 13: California RO-Reject Treatment
NNOVATION CONTINUES CALIFORNIA RO-REJECT TREATMENT Reverse Osmosis Test Results After 1 Month: Feed Permeate Membrane PFHpA PFHxA PFHxS PFOA PFOS PFNA PFBS PFNS Concentrate GAC-1 EBCT = 10min RO Concentrate Treatment Challenges: GAC-2 EBCT = 15min PFAS concentrations IX-1 Total Organic Carbon Cont
Slide 14: Commercial Overview
FLUORO-SORB® Adsorbent COMMERCIAL OVERVIEW
Slide 15: Year Four at Gabelli PFAS Symposium
Year Four at Gabelli PFAS Symposium FLUORO-SORB® adsorbent has advanced from introduction and academic validation to global commercialization. 4TH YEAR 2023 INTRODUCE 2024 VALIDATE 2025 SCALE 2026 GLOBALIZE Technology Field Validation Global Commercial Full-Scale Proof Introduction Expands Momentum
Slide 16: FLUORO-SORB Adsorbent Commercialization Progress
FLUORO-SORB® Adsorbent Commercialization Progress 10 FULL-SCALE MUNICIPAL DRINKING 18 NEW MUNICIPAL DRINKING WATER SPECIFICATIONS WATER SYSTSEMS OPERATING IN: IN: CA, GA, MA, MO, NJ, WA & ISRAEL MUNICIPAL DRINKING WATER GROUNDWATER SURFACE WATER MASSACHUSETTS NEW JERSEY MAINE >250 Pilots and Studies
Slide 17: International Marketplace: Market Validation to Commercial Deployment
International Marketplace Market Validation to Commercial Deployment GLOBAL MOMENTUM 2026 MARKET PROGRESS NETHERLANDS UNITED KINGDOM SWEDEN BELGIUM NETHERLANDS Commercial COMMERCIAL PFAS soil stabilization; Groundwater pump-and- SWEDEN DEPLOYMENT Groundwater pump-and- Military REACTIVE CORE treat tr
Slide 18: Case Histories
FLUORO-SORB® Adsorbent CASE HISTORIES Drinking Water System in NJ Using FLUORO-SORB® to Treat 1 Millions Gallons Per Day
Slide 19: Case Study: Yarmouth, MA
CASE STUDY: YARMOUTH, MA • Town of Yarmouth in Cape Cod, MA has a population of ~25,000 • Seasonal tourism leads to fluctuation in population up to 40k people • Drinking water is supplied by groundwater from the Sagamore & Monomoy Lens aquifers • PFAS source contamination may be from Barnstable Coun
Slide 20: Case Study: Yarmouth, MA
CASE STUDY: YARMOUTH, MA 2021 PFAS Screening Program Mass DEP PFAS6 MCL = 20 ng/L Wells 4 + 5 removed from service due to the PFAS6 exceedance US EPA MCL = 4 ng/L 20
Slide 21: Case Study: Yarmouth, MA
CASE STUDY: YARMOUTH, MA PFAS Fe/Mn Fe/Mn PFAS Since installation in February 2024, there have been no PFAS detections 0.9 MGD* System 21
Slide 22: Surface Water Plant (New Jersey)
SURFACE WATER PLANT (NEW JERSEY) • A ~130 MGD surface water treatment plant installed FLUORO-SORB® Adsorbent for removal of PFAS • Small-scale piloting showed the life span of FLUORO-SORB® Adsorbent could be a strong economic choice • 178 tons of FLUORO-SORB® Adsorbent were installed into one of the
Slide 23: Soil Remediation (Belgium)
SOIL REMEDIATION (BELGIUM) Dispersing FLUORO-SORB® Adsorbent Till into the Soil with Mixing Head • Belgian facility using FLUORO-SORB® Adsorbent to Stabilize PFAS-Impacted Soil • 0.5% FLUORO-SORB Adsorbent is being mixed to meet regulatory compliance • This methodology allows processing of up to 500
Slide 24: Selfridge Air Force Base (Michigan)
SELFRIDGE AIR FORCE BASE (MICHIGAN) • High PFOS soil contamination from prior use of aqueous film forming foam (AFFF) • FLUORO-SORB® Adsorbent was deployed over 8-acres to prevent leaching into groundwater • Dosage of 0.5 – 1% FLUORO-SORB® Adsorbent mixed with soil • PFOS leaching reduced by 95 – 10
Slide 25: Wright Patterson Air Force Base (Ohio)
WRIGHT PATTERSON AIR FORCE BASE (OHIO) Groundwater Capture Trench Filtration Basin with FLUORO-SORB® Adsorbent • The base has selected FLUORO-SORB® Adsorbent at two of the sites deemed most contaminated • FLUORO-SORB® Adsorbent reduces their batch treatment time from 3-4 hours to 15 minutes • The tr
Slide 26: Ellsworth Air Force Base (South Dakota)
ELLSWORTH AIR FORCE BASE (SOUTH DAKOTA) • High PFAS concentrations observed in surface water due to groundwater upwelling • A REACTIVE CORE MAT® containing FLUORO-SORB® Adsorbent (400 x 15 ft) was placed along the stream • Measurements were made quarterly over 2 years showing significantly reduced d
Slide 27: Landfill Site USA
CONFIDENTIAL LANDFILL SITE USA • Treatment of landfill leachate was required at a site with total PFAS exceeding 50,000 ppt • Piloting >1 year decreased PFAS to goal levels showing FLUORO-SORB® Adsorbent as a strong economic choice • A vessel purification system containing FLUORO-SORB® Adsorbent was
Slide 28: FLUORO-SORB Adsorbent: Well-Positioned Proven Technology
FLUORO-SORB® Adsorbent Well-Positioned Proven Technology Versatility of Deployment Commercial Verticals Global Footprint Demonstrated Cost Effectiveness DRINKING REMEDIATION Outperforms Other Solutions WATER Full-Scale Deployments Patented LANDFILL WASTEWATER Mineral Reserves Coupled with LEACHATE P
Slide 29: PFAS Remediation Technology: FLUORO-SORB Adsorbent
PFAS Remediation Technology: FLUORO-SORB® Adsorbent 29