Chief Operating Officer (June 12th, 2013)

POLICY: The Compensation Plan is designed to retain, motivate and reward the incumbent to support and achieve the business, operating and financial objectives of Perma-Fix Environmental Services, Inc. (the "Company").

Consulting Services Agreement (May 17th, 2013)

This Agreement contains the entire agreement of the Parties relating to the subject matter hereof, and the Parties have made no agreements, representations, or warranties relating to the subject matter hereof which are not set forth herein. No modification of this Agreement shall be valid unless made in writing and signed by the Parties hereto.

Effective: January 1, 2012 2012 Management Incentive Plan (July 18th, 2012)

POLICY: The Compensation Plan is designed to retain, motivate and reward the incumbent to support and achieve the business, operating and financial objectives of Perma-Fix Environmental Services, Inc. (the "Company").

Contract (August 30th, 2011)

Perma-Fix Environmental Services, Inc. 2010 Stock Option Plan Incentive Stock Option Agreement (August 5th, 2011)

THIS AGREEMENT is made as of the Grant Date set forth on the cover page of this Agreement (the "Cover Page") between PERMA-FIX ENVIRONMENTAL SERVICES, INC., an Delaware corporation (the "Company"), and the participant named on the Cover Page (the "Participant"). In consideration of the mutual covenants and conditions herein set forth and for good and valuable consideration, the Company and the Participant agree as follows:

Perma-Fix Environmental Services, Inc. 2010 Stock Option Plan Incentive Stock Option Agreement (July 29th, 2011)

THIS AGREEMENT is made as of the Grant Date set forth on the cover page of this Agreement (the "Cover Page") between PERMA-FIX ENVIRONMENTAL SERVICES, INC., an Delaware corporation (the "Company"), and the participant named on the Cover Page (the "Participant"). In consideration of the mutual covenants and conditions herein set forth and for good and valuable consideration, the Company and the Participant agree as follows:

Chief Operating Officer (March 23rd, 2011)

POLICY: The Compensation Plan is designed to retain, motivate and reward the incumbent to support and achieve the business, operating and financial objectives of Perma-Fix Environmental Services, Inc. (the "Company").