Investor Presentaiton

Market Overview PARTMENT DEPARTMENT OF F ENERGY' AMERIC DEFENSE FIN DEFENS SERVICE ASE FINANCE AND ACCOUNTING SE INNSA National Nuclear Security Administration NAVFAC Canadian Nuclear Laboratories Department of Energy Environmental Management (EM) • Over 100 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 National Nuclear Security Administration (NNSA) Maintains facilities requiring cleanup of legacy wastes and continuous generation of newly generated wastes for disposition. Department of Defense • Navy • Nuclear propulsion and NAVFAC (nearly $2B 2017-2019) missions result in radiological and hazardous wastes United States Army Corps of Engineers (USACE) • Over $1B in remediation contracts Commercial Power Nearly 100 reactors currently operating in the US; over 400 world-wide Mining High levels of naturally occurring radioactive materials (NORM) Oil and Gas Drilling practices result in high levels of NORM International Canada/Europe / Mexico / Italy - Beginning to fund and remove legacy wastes and contamination for nuclear operations. NASDAQ: PESI 6 PermaFix® environmental services A Nuclear Services and Waste Management Company

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