Investor Presentaiton

Market Overview – DOE - • DOE has approximately 1,611 excess facilities across its nuclear complex estimated at $12.2 billion for demolition, not including waste disposal • • • Of the 1,611 excess facilities, 244 are considered higher risk because of their level of contamination The roughly 15% of the excess facilities designated high risk are expected to account for about 88% of the cleanup cost, according to the department's 2018 plan for excess facilities • • • Savannah River Site in South Carolina has the highest number of old nonoperational facilities at 341 Oak Ridge in Tennessee has 296 nonoperational facilities Hanford, in Washington State has 288 nonoperational facilities The Office of Environmental Management has completed decommissioning about 3,000 excess buildings, trailers, and other structures over the past 25 years, according to the 2018 report Since 2011, EM's environmental liability grew by $214B, from $163B to $377B, according to DOE Financial Data defined in the May 1, 2019 GAO Report NASDAQ: PESI 8 PermaFix® environmental services A Nuclear Services and Waste Management Company

View entire presentation