Investor Presentaiton

Massive Barriers to Entry • • • Highly regulated at State and Federal levels • • • Nuclear Regulatory Commission through state regulators Environmental Protection Agency through state regulators State regulators for other air and water permits Technology • Patented (40+) and proprietary chemical treatment processes Treatment of nuclear waste is complex and requires multiple technologies and multiple steps Experience . . Unparalleled experience and track record of facilities successfully treating nuclear waste 30+ years Completed over $2 billion in demolition and remediation projects involving radiological materials NASDAQ: PESI 10 REGULATORY NUCLEAR STATES NUCLE UNITED 3 COMMISSION DANGER HIGH VOLTAGE UNITED ENVIRONMENTA STATES AGENCY PROTECTION PermaFix® environmental services A Nuclear Services and Waste Management Company

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