About Perma-Fix Environmental Services

Perma-Fix Environmental Services, Inc., a national environmental services company, provides unique mixed waste and industrial waste management services, both at the Company's four major nuclear waste treatment facilities and on the customer site. The Company's primary focus is on nuclear services, including radioactive and mixed waste treatment services for hospitals, research labs and institutions, federal agencies, including DOE, DOD, and nuclear utilities.

Please visit us on the World Wide Web at http://www.perma-fix.com .

The Perma-Fix Environmental Services, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=7172

This press release contains "forward‑looking statements" which are based largely on the company's expectations and are subject to various business risks and uncertainties, certain of which are beyond the company's control. Forward‑looking statements generally are identified by use of words such as "believe", "expects", "intends", "anticipates", "plans to", "projects" and similar expressions. Forward looking statements include, but are not limited to, the value of the contract with Energy Northwest and that the waste is safely managed. These forward‑looking statements are intended to qualify for the safe harbors from liability established by the Private Securities Litigation Reform Act of 1995. While the company believes the expectations reflected in this news release are reasonable, it can give no assurance such expectations will prove to be correct. There are a variety of factors which could cause future outcomes to differ materially from those described in this release, including without limitation, future economic conditions, industry conditions, changes in government regulations, that Energy Northwest does not terminate the contract prior to expiration of its term or takes any action to reduce the amount of waste that the Company believes it will be required to store, treat or dispose of under the contract; and the additional factors referred to under "Special Note Regarding Forward-Looking Statements" of our 2009 Form 10-K, and Form 10-Q for the quarter ended March 31, 2010, June 30, 2010, and September 30, 2010. The Company makes no commitment to disclose any revisions to forward‑looking statements, or any facts, events or circumstances after the date hereof that bear upon forward‑looking statements.
CONTACT: Crescendo Communications, LLC         David K. Waldman         Klea Theoharis         dwaldman@crescendo-ir.com         (212) 671-1020 x301                  European investor relations         Herbert Strauss         herbert@eu-ir.com         +43 316 296 316

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