PESI PERMA FIX ENVIRONMENTAL SERVICES INC

“For the Treatment Segment, management did not have a completeness check control that was effectively designed and implemented to provide assurance that revenue for waste disposal was appropriately accounted for as part of the period-end revenue reconciliation process.”

“our Principal Executive Officer and Principal Financial Officer have concluded that our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Exchange Act) were not effective as of September 30, 2026 due to a material weakness in our internal controls over financial reporting identified for the year ended December 31, 2025”

“funding of remediation expenditures for sites from funds generated internally; compliance with environmental regulations; remediation of material weakness identified; potential effect of being a PRP;”