Perma-Fix Postpones Fourth Quarter 2007 Conference Call

ATLANTA, March 19 /PRNewswire-FirstCall/ -- Perma-Fix Environmental Services, Inc. (Nasdaq: PESI) today announced that it has postponed its fourth quarter 2007 conference call originally scheduled for March 20th to allow additional time to finalize its fourth quarter and year-end financial results. A new date for the call will be forthcoming once the financial information has been completed.

Perma-Fix Environmental Services, Inc. is a national environmental services company, providing unique mixed waste and industrial waste management services. The Company has increased its focus on the nuclear services segment, which provides radioactive and mixed waste treatment services to hospitals, research laboratories and institutions, numerous federal agencies, including DOE and the U.S. Department of Defense, and nuclear utilities. The industrial services segment provides hazardous and non-hazardous waste treatment services for a diverse group of customers including, Fortune 500 companies, numerous federal, state and local agencies and thousands of smaller clients. The Company operates nine major waste treatment facilities across the country.

Please visit us on the World Wide Web at http://www.permafix.com.

CONTACT:

Dr. Louis F. Centofanti, Chairman and CEO of Perma-Fix Environmental Services, Inc.
+1-770-587-9898
or
David K. Waldman, US Investor Relations, Crescendo Communications, LLC
+1-212-671-1020 x101
or
Herbert Strauss, European Investor Relations
+43-316-296-316
herbert@eu-ir.com
both for Perma-Fix Environmental Services, Inc.