Investor Presentaiton

Hanford Off-Site Processing Program Status • DOE continues to support off-site LLW treatment solutions with funding carry- over of $10M in 2020 through the Tank Closure Contract • Perma-Fix team continues to provide supplemental off-site tank waste treatment solutions with existing systems, qualified staff and permitted facilities • Perma-Fix team anticipates receipt of 2,000 gallons within next nine months The Hanford Site TANK FARMS Protecting the legacy of the Lined States defense program NASDAQ: PESI 200 Wint 200 East 20 20 PermaFix® environmental services A Nuclear Services and Waste Management Company

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