Clean Harbors (CLH) investor relations material

Mission and sustainability focus

• Aims to create a safer, cleaner environment through treatment, recycling, and disposal of hazardous materials.

• Operates with a sustainable business model, leveraging powerful brands and closed-loop offerings.

• Significant efforts to improve ESG ratings and achieve a net climate benefit factor of 2.3x, targeting 3x by 2030.

Market leadership and operational scale

• Largest hazardous waste disposal company and leading collector, recycler, and re-refiner of used oil in North America.

• Operates over 100 waste management facilities, 900 service locations, and maintains more than 20,000 vehicles.

• Serves 300,000+ customers with ~24,000 employees across all 50 states, nine Canadian provinces, and Puerto Rico.

Competitive advantages

• Holds over 600 permits, making regulatory compliance a significant barrier to entry.

• High customer switching costs, unique assets, and substantial capital investments.

• Deeply experienced personnel and proprietary systems developed over decades.