Perma-Fix Environmental Services Inc. – Articles of Incorporation Watch

from 8-K 27 pages Second Amended and Restated Bylaws of Perma-Fix Environmental Services, Inc. (A Delaware Corporation) Adopted On, and Effective as Of, March 29, 2012 as Amended By: Amendment to Amended and Restated Bylaws, Adopted October 4, 2013 Second Amendment to Amended and Restated Bylaws, Adopted July 28, 2016 Third Amendment to Amended and Restated Bylaws, Adopted January 21, 2021 Fourth Amendment to Amended and Restated Bylaws, Adopted April 20, 2023 Fifth Amendment to Amended and Restated Bylaws, Adopted November 13, 2025

from 8-K 27 pages Second Amended and Restated Bylaws of Perma-Fix Environmental Services, Inc. (A Delaware Corporation) Adopted On, and Effective as Of, March 29, 2012 as Amended By: Amendment to Amended and Restated Bylaws, Adopted October 4, 2013 Second Amendment to Amended and Restated Bylaws, Adopted July 28, 2016 Third Amendment to Amended and Restated Bylaws, Adopted January 21, 2021 Fourth Amendment to Amended and Restated Bylaws, Adopted April 20, 2023

from 10-Q 251 pages Certificate of Incorporation of National Environmental Industries, Ltd

from 8-K 27 pages Second Amended and Restated Bylaws of Perma-Fix Environmental Services, Inc. (A Delaware Corporation) Adopted On, and Effective as Of, March 29, 2012 as Amended By: Amendment to Amended and Restated Bylaws, Adopted October 4, 2013 Second Amendment to Amended and Restated Bylaws, Adopted July 28, 2016 Third Amendment to Amended and Restated Bylaws, Adopted January 21, 2021

from 10-K 244 pages I, Jeffrey W. Bullock, Secretary of State of the State of Delaware, Do Hereby Certify That “Perma-Fix Environmental Services, Inc.” Is Duly Incorporated Under the Laws of the State of Delaware and Is in Good Standing and Has a Legal Corporate Existence Not Having Been Cancelled or Dissolved So Far as the Records of This Office Show and Is Duly Authorized to Transact Business. the Following Documents Have Been Filed: Certificate of Incorporation, Filed the Nineteenth Day of December, A.D. 1990, at 9 O’clock A.M. Restated Certificate, Filed the Twenty–sixth Day of November, A.D. 1991, at 10 O’clock A.M. Certificate of Amendment, Changing Its Name From “National Environmental Industries, Ltd.” to “Perma-Fix Environmental Services, Inc.”, Filed the Seventeenth Day of December, A.D. 1991, at 4:30 O’clock P.M. Certificate of Amendment, Filed the Fourth Day of September, A.D. 1992, at 11:30 O’clock A.M. Certificate of Designation, Filed the Sixth Day of February, A.D. 1996, at 4 O’clock P.M

from 8-K 3 pages Certificate of Elimination of Series a Junior Participating Preferred Stock of Perma-Fix Environmental Services, Inc

from 8-K 6 pages Certificate of Designations of Series B Junior Participating Preferred Stock of Perma-Fix Environmental Services, Inc

from 8-K 27 pages Amended and Restated Bylaws of Perma-Fix Environmental Services, Inc. (A Delaware Corporation) Adopted On, and Effective as Of, March 29, 2012 as Amended By: Amendment to Amended and Restated Bylaws, Adopted October 4, 2013 Second Amendment to Amended and Restated Bylaws, Adopted July 28, 2016

from 10-K 235 pages I, Jeffrey W. Bullock, Secretary of State of the State of Delaware, Do Hereby Certify That “Perma-Fix Environmental Services, Inc.” Is Duly Incorporated Under the Laws of the State of Delaware and Is in Good Standing and Has a Legal Corporate Existence Not Having Been Cancelled or Dissolved So Far as the Records of This Office Show and Is Duly Authorized to Transact Business. the Following Documents Have Been Filed: Certificate of Incorporation, Filed the Nineteenth Day of December, A.D. 1990, at 9 O'CLOCK A.M. Restated Certificate, Filed the Twenty–sixth Day of November, A.D. 1991, at 10 O'CLOCK A.M. Certificate of Amendment, Changing Its Name From “National Environmental Industries, Ltd.” to “Perma-Fix Environmental Services, Inc.”, Filed the Seventeenth Day of December, A.D. 1991, at 4:30 O'CLOCK P.M. Certificate of Amendment, Filed the Fourth Day of September, A.D. 1992, at 11:30 O'CLOCK A.M. Certificate of Designation, Filed the Sixth Day of February, A.D. 1996, at 4 O'CLOCK P.M. Jeffrey W. Bullock, Secretary of State 2249849 8310 Authentication: 7162972 090228186 Date: 03-03-09 You May Verify This Certificate Online at CORP.DELAWARE.GOV/AUTHVER.SHTML

from 8-K 1 page Certificate of Amendment of the Restated Certificate of Incorporation, as Amended, of Perma-Fix Environmental Services, Inc

from 10-K/A 28 pages Amended and Restated Bylaws of Perma-Fix Environmental Services, Inc. (A Delaware Corporation) Adopted On, and Effective as Of, March 29, 2012

from 10-K/A 234 pages I, Jeffrey W. Bullock, Secretary of State of the State of Delaware, Do Hereby Certify That “Perma-Fix Environmental Services, Inc.” Is Duly Incorporated Under the Laws of the State of Delaware and Is in Good Standing and Has a Legal Corporate Existence Not Having Been Cancelled or Dissolved So Far as the Records of This Office Show and Is Duly Authorized to Transact Business. the Following Documents Have Been Filed: Certificate of Incorporation, Filed the Nineteenth Day of December, A.D. 1990, at 9 O'CLOCK A.M. Restated Certificate, Filed the Twenty–sixth Day of November, A.D. 1991, at 10 O'CLOCK A.M. Certificate of Amendment, Changing Its Name From “National Environmental Industries, Ltd.” to “Perma-Fix Environmental Services, Inc.”, Filed the Seventeenth Day of December, A.D. 1991, at 4:30 O'CLOCK P.M. Certificate of Amendment, Filed the Fourth Day of September, A.D. 1992, at 11:30 O'CLOCK A.M. Certificate of Designation, Filed the Sixth Day of February, A.D. 1996, at 4 O'CLOCK P.M. Jeffrey W. Bullock, Secretary of State 2249849 8310 Authentication: 7162972 090228186 Date: 03-03-09 You May Verify This Certificate Online at CORP.DELAWARE.GOV/AUTHVER.SHTML

from 8-K 3 pages Certificate of Amendment of the Restated Certificate of Incorporation, as Amended, of Perma-Fix Environmental Services, Inc

from 8-K 1 page First Amendment to the Amended and Restated Bylaws of Perma-Fix Environmental Services, Inc

from 8-K 27 pages Amended and Restated Bylaws of Perma-Fix Environmental Services, Inc. (A Delaware Corporation) Adopted On, and Effective as Of, March 29, 2012

from 10-K 230 pages Articles of Incorporation or Bylaws

from 10-Q 1 page Articles of Incorporation or Bylaws

from 8-K 2 pages First Amendment to Bylaws of Perma-Fix Environemntal Services, Inc

from 10-Q >50 pages State of Delaware Page 1 Office of the Secretary of State

from 10-Q >50 pages Exhibit 3(i) - Restated Certificate of Incorporation