PERMA FIX ENVIRONMENTAL SERVICES INC

For the period ended Sep 30, 2026. Filed Nov 5, 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.

Sep 30, 2026 · Filed Nov 5, 2026

PESI$15.59+11.0%Stored close · as of Nov 9, 2026

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Contents

Glossary of Terms and Acronyms

Definitions of certain terms and acronyms that may appear in this report are provided below. The defined terms and acronyms identified below are used throughout the document.

AIG	AIG Specialty Insurance Company
ASC	Accounting Standards Codification
ASU	Accounting Standards Update
Board	Board of Directors
CEO	Chief Executive Officer
CODM	Chief Operating Decision Maker
COLA	Cost-of-Living Adjustment
Common Stock	The Company’s common stock, par value $0.001 per share
COO	Chief Operating Officer
CR	Continuing Resolution
Credit Facility	The Company’s credit facility under a Second Amended and Restated Revolving Credit, Term Loan and Security Agreement, dated May 8, 2020, as amended, entered into with PNC National Association, acting as agent and lender, with a maturity date of May 15, 2030, consisting of (i) up to $12,500,000 revolving credit (“Revolving Credit), which borrowing capacity is subject to eligible receivables (as defined) and reduced by outstanding standby letters of credit and borrowing reductions that the Company’s lender may impose from time to time; (ii) a term loan of $2,500,000 (“Term Loan”); and (iii) a capital loan (“Capital Loan”) of approximately $524,000
D&D	Decontamination and Decommissioning
DFLAW	Direct-Feed Low-Activity Waste
DOE	U.S. Department of Energy
DOW	U.S. Department of War
EWOC	Environmental Waste Operations Center, an operating facility of the Company.
Exchange Act	The Securities Exchange Act of 1934 (as amended)
FASB	Financial Accounting Standards Board
IDIQ	Indefinite Delivery/Indefinite Quantity
IH	Industrial Hygiene
ISO	Incentive Stock Option
MD&A	Management’s Discussion and Analysis of Financial Condition and Results of Operations
MMDA	Money Market Deposit Account
NEOSH	Nuclear, Environmental, and Occupational Safety and Health
NQSO	Non-Qualified Stock Option
OSHA	U.S. Occupational Safety and Health Administration
PFAS	Per- and polyfluoroalkyl substances, a group of thousands of synthetic “forever chemicals” manufactured since the 1940s that resist heat, water, stains, and grease. They are found in non-stick cookware, stain-resistant fabrics, food packaging, and firefighting foam, and they persist in the environment and human body, posing significant, long-term health risks
PFNW	Perma-Fix Northwest Richland Inc., a wholly-owned subsidiary of the Company located in Richland, Washington
PRP	Potentially Responsible Party
PFSG	Perma-Fix South Georgia, Inc., a wholly-owned subsidiary of the Company within its discontinued operations
PNC Liquidity	Borrowing availability under the Revolving Credit under the PNC Loan Agreement plus cash in the MMDA maintained with the Company’s lender
PNC Loan Agreement	Second Amended and Restated Revolving Credit, Term Loan and Security Agreement, dated May 8, 2020, as amended, entered into with PNC National Association, acting as agent and lender, with a maturity date of May 15, 2030
R&D	Research and Development
ROU	Right-of-Use
SEC	The U.S. Securities and Exchange Commission
SG&A	Selling, General and Administrative expenses
SOFR	Secured Overnight Finance Rate
U.S. GAAP	Accounting principles generally accepted in the United States of America

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.