Perma-Fix Schedules Release of First Quarter Results and Conference Call

Date: April 28, 2006

Source: PR Newswire

Perma-Fix Environmental Services, Inc. (Nasdaq: PESI; BSE: PESI) (Germany: PES.BE) today announced that it will release first quarter earnings the morning of Tuesday, May 9, 2006. In conjunction with the Company's first quarter earnings release, there will be a conference call held at 11:00 a.m. ET on Tuesday, May 9. The call is available on the Company's web site at www.perma-fix.com or by calling 1-866-558-0218 for U.S. Callers or 1-706-679-5417 for international callers. The conference call will be led by Dr. Louis F. Centofanti, Chairman and CEO, and David Hansen, Vice President Corporate Controller and Treasurer, of Perma-Fix Environmental Services, Inc.

What: Perma-Fix Environmental First Quarter 2006 Operating Results
Conference Call

When: Tuesday, May 9, 2006, at 11:00 a.m. ET

Where: www.perma-fix.com or 1-866-558-0218 or 1-706-679-5417
(Callers should dial in approximately 10 minutes before the call
begins.)
The conference call replay will be available one hour following the call, through midnight May 16, 2006, and can be accessed by calling: 1-800-642-1687 (U.S. callers) or 1-706-645-9291 (International callers) and entering Conference ID 8450489.

The call is available on the Company's web site at www.perma-fix.com or by calling 866.558.0218.

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