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PERMA FIX ENVIRONMENTAL SERVICES INC

For the period ended Mar 31, 2026. Filed May 7, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 7, 2026

PESI$15.47-0.8%Stored close · as of Nov 10, 2026

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Legal Proceedings

Item 1.Legal Proceedings

There are no material legal proceedings pending against us and/or our subsidiaries not previously reported by us in Item 3 of our Form 10-K for the year ended December 31, 2025, except as described in “Management’s Discussion and Analysis—Known Trends and Uncertainties—Environmental Contingencies” and “Note 14 – Subsequent Events – NOV,” regarding an NOV received from the Washington State Department of Ecology, the description of which is incorporated herein by reference. Additionally, there has been no material change in legal proceedings previously disclosed by us in our Form 10-K for the year ended December 31, 2025, other than as discussed in “Note 9 - Commitments and Contingencies – Legal Matters – Michael O’Neill” of the “Note to Condensed Consolidated Financial Statements” contained herein, incorporated herein by reference.

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