WLMS / Williams Industrial Services Group Inc - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Williams Industrial Services Group Inc
US ˙ AMEX
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
LEI CTDK3GGI58CIT29OJ228
CIK 1136294
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Williams Industrial Services Group Inc
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
January 12, 2024 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 11, 2024 NOS4-1, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporation) (Commission File Numb

January 12, 2024 EX-3.1

CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION WILLIAMS INDUSTRIAL SERVICES GROUP INC. Under Section 242 of the Delaware General Corporation Law

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION OF WILLIAMS INDUSTRIAL SERVICES GROUP INC. Under Section 242 of the Delaware General Corporation Law Williams Industrial Services Group Inc., a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the “Corporation”), does hereby certify: FIRST: That the directors of t

October 18, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 10, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpora

September 22, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 18, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpo

August 16, 2023 10-Q

a UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

a UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-16501 Williams Industrial Ser

August 16, 2023 EX-10.3

Consulting Services Agreement, dated July 1, 2023, by and between Williams Industrial Services Group, L.L.C. and Damien Vassall.♦*

Exhibit 10.3 CONSULTING SERVICES AGREEMENT THIS CONSULTING SERVICES AGREEMENT (this “Agreement”) is entered into effective the 1st day of July, 2023 (the “Effective Date”), by and between Williams Industrial Services Group, LLC (the “Company”) and Damien Vassall (the “Consultant”). The Company and Consultant are sometimes collectively referred to herein as the parties and individually as a party.

August 1, 2023 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES NYSE American LLC ("NYSE American" or the "Exchange") hereby notifies the Securities and Exchange Commission (the "Commission") of its intention to remove the Common Stock of Williams Industrial Services Group Inc.

July 28, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 24, 2023 Williams Industrial

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 24, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

July 28, 2023 EX-10.1

Super-Priority Senior Secured Debtor-in-Possession Revolving Credit and Security Agreement, dated as of July 25, 2023, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., Construction & Maintenance Professionals, LLC, and WISG Electrical, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd. and WISG Electrical Ltd., as guarantors, PNC Bank, National Association, as agent, and the lenders party thereto.

Exhibit 10.1 SUPER-PRIORITY SENIOR SECURED DEBTOR-IN-POSSESSION REVOLVING CREDIT AND SECURITY AGREEMENT PNC BANK, NATIONAL ASSOCIATION (AS AGENT) THE LENDERS PARTY HERETO (AS LENDERS) WITH Williams Industrial Services Group Inc. Williams Industrial Services Group, L.L.C. Williams Industrial Services, LLC Williams Specialty Services, LLC Williams Plant Services, LLC Williams Global Services, Inc. C

July 28, 2023 EX-10.2

Superpriority Senior Secured Debtor-in-Possession Term Loan, Guarantee and Security Agreement, dated as of July 25, 2023, by and among Williams Industrial Services Group Inc., as borrower, EICF Agent LLC, as agent, and the other credit parties party thereto.

Exhibit 10.2 SUPERPRIORITY SENIOR SECURED DEBTOR-IN-POSSESSION TERM LOAN, GUARANTEE AND SECURITY AGREEMENT DATED AS OF JULY 25, 2023 AMONG EICF AGENT LLC, AS AGENT FOR THE LENDERS SIGNATORY HERETO, WILLIAMS INDUSTRIAL SERVICES GROUP INC., AS BORROWER, A DEBTOR AND DEBTOR-IN-POSSESSION UNDER CHAPTER 11 OF THE BANKRUPTCY CODE AND THE OTHER CREDIT PARTIES SIGNATORY HERETO CHAPMAN AND CUTLER LLP 1270

July 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 22, 2023 Williams Industrial

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 22, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

July 24, 2023 EX-99.1

Williams Industrial Services Group Inc. Enters into Purchase Agreement for the Sale of Business for $60 million and Files for Chapter 11 Protection Receives Commitment from Existing Secured Lenders for up to $19.5 Million in Debtor-in-Possession Fina

Exhibit 99.1 Williams Industrial Services Group Inc. ♦ 200 Ashford Center North, Suite 425 ♦ Atlanta, GA 30338 PRESS RELEASE Williams Industrial Services Group Inc. Enters into Purchase Agreement for the Sale of Business for $60 million and Files for Chapter 11 Protection Receives Commitment from Existing Secured Lenders for up to $19.5 Million in Debtor-in-Possession Financing ATLANTA, GA, July 2

July 24, 2023 EX-2.1

Asset Purchase Agreement, dated as of July 22, 2023, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Construction & Maintenance Professionals, LLC, WISG Electrical, LLC, Williams Plant Services, LLC, and Williams Specialty Services, LLC, as Sellers, and EnergySolutions Nuclear Services, LLC, as Buyer.

              Exhibit 2.1 ASSET PURCHASE AGREEMENT dated as of July 22, 2023 by and among Williams industrial services group Inc., wILLIAMS INDUSTRIAL SERVICEs GROUP, L.L.C., WILLIAMS INDUSTRIAL SERVICES, LLC, CONSTRUCTION & MAINTENANCE PROFESSIONALS, LLC, WISG ELECTRICAL, LLC, WILLIAMS PLANT SERVICES, LLC, and WILLIAMS SPECIALTY SERVICES, LLC, as Sellers and ENERGYSOLUTIONS NUCLEAR SERVICES, LLC,

June 30, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 26, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

May 17, 2023 EX-10.14

Form of Performance-Based Award Agreement (2023).♦*

Exhibit 10.14 Williams Plant Services Group Inc. 200 Ashford Center North, Suite 425 Atlanta, Georgia 30338 WILLIAMS INDUSTRIAL SERVICES GROUP INC. PERFORMANCE-BASED AWARD AGREEMENT Notice of Performance Based Award Williams Industrial Services Group Inc. (the “Company”) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 2015 Equity Incen

May 17, 2023 10-Q

a UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

a UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-16501 Williams Industrial Se

May 17, 2023 EX-99.2

3 Q1-2023 Highlights ➢ 2023 Q1 revenue of $103.5 million versus $69.6 million in the prior-year period, reflecting higher nuclear business due to services performed during customer outage ➢ Gross margin of 7.4% versus 8.2% in the 2022 first quarter ▪

Exhibit 99.2 Q1 2023 Financial Results: May 18, 2023 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay EVP & Chief Operating Officer Damien Vassall VP & Chief Financial Officer 2 Cautionary Notes Note: Unless otherwise noted, all discussion is based upon continuing operations. Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning

May 17, 2023 EX-99.1

Williams Reports First Quarter Financial Results

Williams Industrial Services Group May 17, 2023 Page 1 of 9 Williams Industrial Services Group Inc.

May 17, 2023 EX-10.1

Letter Agreement, dated December 8, 2022, by and between Tracy Pagliara and Williams Industrial Services Group Inc.♦*

Exhibit 10.1 December 8, 2022 Tracy Pagliara 200 Ashford Center North, Suite 425 Atlanta, GA 30338 Re: Reduction in Base Salary Dear Tracy, As you know, as part of our cost cutting initiatives, the Board of Directors has approved a 10% reduction in your annual base salary, effective on January 2, 2023 and continuing thereafter until the earlier of: (i) January l , 2024, or (ii) the date on which t

May 17, 2023 EX-10.6

Fifth Amendment to Term Loan, Guarantee and Security Agreement, dated as of April 4, 2023, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., and Construction & Maintenance Professionals, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd., WISG Electrical Ltd. and WISG Electrical, LLC, as guarantors, and EICF Agent LLC, as agent, and the lenders party thereto.♦**

Exhibit 10.6 EXECUTION VERSION FIFTH AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT FIFTH AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT, dated as of March 31, 2023 (this “Amendment”), by and among Williams Industrial Services Group Inc., a Delaware corporation (“Holdings”), Williams Industrial Services Group, L.L.C., a Delaware limited liability company (“WISG”), Williams Indu

May 17, 2023 EX-10.9

Fee Letter, dated April 4, 2023, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., Construction & Maintenance Professionals, LLC, and WISG Electrical, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd. and WISG Electrical Ltd., as guarantors, and PNC Bank, National Association, as agent, and the lenders party thereto.♦

Exhibit 10.9 Execution Version April 4, 2023 CONFIDENTIAL PNC Bank, National Association 340 Madison Avenue, 11th Floor New York, NY 10173 Attention: Ryan Begley Re: FEE LETTER Ladies and Gentlemen: Reference hereby is made to (i) that certain Revolving Credit and Security Agreement, dated as of December 16, 2020 (as amended, modified and supplemented from time to time, the “Credit Agreement”), am

May 17, 2023 EX-10.12

Form of Restricted Shares Award Agreement (Non-Employee Directors) (2023).♦*

Exhibit 10.12 WILLIAMS INDUSTRIAL SERVICES GROUP INC. RESTRICTED SHARES AWARD AGREEMENT (Non-Employee Directors) Notice of Restricted Shares Award Williams Industrial Services Group Inc. (the “Company”) grants to the Grantee named below, in accordance with the terms and conditions of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the “Plan”) and this Restricted Shares Awar

May 17, 2023 EX-10.2

Letter Agreement, dated December 8, 2022, by and between Randall Lay and Williams Industrial Services Group Inc.♦*

Exhibit 10.2 December 8, 2022 Randall Lay 200 Ashford Center North, Suite 425 Atlanta, GA 30338 Re: Reduction in Base Salary Dear Randy, As you know, as part of our cost cutting initiatives, the Board of Directors has approved a 10% reduction in your annual base salary, effective on January 2, 2023 and continuing thereafter until the earlier of: (i) January 1, 2024, or (ii) the date on which there

May 17, 2023 EX-10.13

Form of Time-Based Award Agreement (2023).♦*

Exhibit 10.13 Williams Plant Services Group Inc. 200 Ashford Center North, Suite 425 Atlanta, Georgia 30338 WILLIAMS INDUSTRIAL SERVICES GROUP INC. TIME-BASED AWARD AGREEMENT Notice of Service Based Award Williams Industrial Services Group Inc. (the “Company”) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (

May 17, 2023 EX-10.3

Letter Agreement, dated December 8, 2022, by and between Charles Wheelock and Williams Industrial Services Group Inc.♦*

Exhibit 10.3 December 8, 2022 Charles Wheelock 200 Ashford Center North, Suite 425 Atlanta, GA 30338 Re: Reduction in Base Salary Dear Chip, As you know, as part of our cost cutting initiatives, the Board of Directors has approved a 10% reduction in your annual base salary, effective on January 2, 2023 and continuing thereafter until the earlier of: (i) January 1, 2024, or (ii) the date on which t

May 17, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 17, 2023 Williams Industrial S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 17, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporation)

May 1, 2023 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Commission File No. 0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Commission File No. 001-16501 Williams Industrial Services Group Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incor

April 10, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 4, 2023 Williams Industrial

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 4, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

March 31, 2023 EX-10.13

Second Amendment to Term Loan, Guarantee and Security Agreement, dated as of December 30, 2022, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., and Construction & Maintenance Professionals, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd., WISG Electrical Ltd. and WISG Electrical, LLC, as guarantors, and EICF Agent LLC, as agent, and the lenders party thereto.+**

Exhibit10.13 Execution Version SECOND AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT SECOND AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT, dated as of December 30, 2022 (this “Amendment”), by and among Williams Industrial Services Group Inc., a Delaware corporation (“Holdings”), Williams Industrial Services Group, L.L.C., a Delaware limited liability company (“WISG”), Williams

March 31, 2023 EX-99.2

2 Cautionary Notes Note: Unless otherwise noted, all discussion is based upon continuing operations. Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private

Exhibit 99.2 Q4 2022 Financial Results: April 3, 2023 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay EVP & Chief Operating Officer Damien Vassall VP & Chief Financial Officer 2 Cautionary Notes Note: Unless otherwise noted, all discussion is based upon continuing operations. Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meanin

March 31, 2023 EX-99.1

Williams Reports Fourth Quarter Financial Results Company Continues Process of Evaluating Strategic Alternatives to Enhance Shareholder Value

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 200 Ashford Center North, Suite 425 ♦ Atlanta, GA 30338 FOR IMMEDIATE RELEASE Williams Reports Fourth Quarter Financial Results Company Continues Process of Evaluating Strategic Alternatives to Enhance Shareholder Value ATLANTA, GA, March 31, 2023 – Williams Industrial Services Group Inc. (NYSE American: WLMS) (“Williams” or the “

March 31, 2023 EX-21.1

Subsidiaries of the Company.

EXHIBIT 21.1 Exhibit A Williams Industrial Services Group Inc. Annual Report on Form 10-K Subsidiaries of Williams Industrial Services Group Inc. Consolidated Subsidiaries Where Organized Braden Holdings, LLC Delaware Global Power Professional Services Inc. Delaware GPEG, LLC Delaware Steam Enterprises, LLC Delaware Williams Industrial Services Group, LLC Delaware Construction & Maintenance Profes

March 31, 2023 EX-10.28

Unsecured Promissory Note, dated January 9, 2023, by and among Williams Industrial Services Group Inc. and Wynnefield Partners Small Cap Value, LP I.+

Exhibit10.28 EXECUTION VERSION This instrument and the rights and obligations evidenced hereby are subordinate in the manner and to the extent set forth in that certain Subordination and Intercreditor Agreement (the “Term Subordination Agreement”) dated as of January 9, 2023 by and among Maker (as hereinafter defined), Williams Industrial Services Group, L.L.C., a Delaware limited liability compan

March 31, 2023 EX-10.19

Third Amendment to Revolving Credit and Security Agreement, dated as of January 9, 2023, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., Construction & Maintenance Professionals, LLC, and WISG Electrical, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd. and WISG Electrical Ltd., as guarantors, and PNC Bank, National Association, as agent, and the lenders party thereto.+**

Exhibit 10.19 Execution Version THIRD AMENDMENT TO REVOLVING CREDIT AND SECURITY AGREEMENT This Third Amendment to Revolving Credit and Security Agreement (this “Amendment”) dated as of January 9, 2023 by and among WILLIAMS INDUSTRIAL SERVICES GROUP INC., a Delaware corporation (“Holdings”), WILLIAMS INDUSTRIAL SERVICES GROUP, L.L.C., a Delaware limited liability company (“WISG”), WILLIAMS INDUSTR

March 31, 2023 10-K

Powers of Attorney for our directors and certain executive officers (included on signature page).+

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Commission File No. 001-16501 Williams Industrial Services Group Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incor

March 31, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) March 31, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

March 31, 2023 EX-10.14

Third Amendment to Term Loan, Guarantee and Security Agreement, dated as of January 9, 2023, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., and Construction & Maintenance Professionals, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd., WISG Electrical Ltd. and WISG Electrical, LLC, as guarantors, and EICF Agent LLC, as agent, and the lenders party thereto.+**

Exhibit 10.14 Execution Version THIRD AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT THIRD AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT, dated as of January 9, 2023 (this “Amendment”), by and among Williams Industrial Services Group Inc., a Delaware corporation (“Holdings”), Williams Industrial Services Group, L.L.C., a Delaware limited liability company (“WISG”), Williams In

March 31, 2023 EX-10.20

Consent and Fourth Amendment to Revolving Credit and Security Agreement, dated as of February 24, 2023, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., Construction & Maintenance Professionals, LLC, and WISG Electrical, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd. and WISG Electrical Ltd., as guarantors, and PNC Bank, National Association, as agent, and the lenders party thereto.+**

Exhibit 10.20 Execution Version CONSENT AND FOURTH AMENDMENT TO REVOLVING CREDIT AND SECURITY AGREEMENT This Consent Fourth Amendment to Revolving Credit and Security Agreement (this “Amendment”) dated as of February 24, 2023 by and among WILLIAMS INDUSTRIAL SERVICES GROUP INC., a Delaware corporation (“Holdings”), WILLIAMS INDUSTRIAL SERVICES GROUP, L.L.C., a Delaware limited liability company (“

March 31, 2023 EX-10.27

Unsecured Promissory Note, dated January 9, 2023, by and among Williams Industrial Services Group Inc. and Wynnefield Partners Small Cap Value, LP.+

Exhibit10.27 EXECUTION VERSION This instrument and the rights and obligations evidenced hereby are subordinate in the manner and to the extent set forth in that certain Subordination and Intercreditor Agreement (the “Term Subordination Agreement”) dated as of January 9, 2023 by and among Maker (as hereinafter defined), Williams Industrial Services Group, L.L.C., a Delaware limited liability compan

March 31, 2023 EX-10.29

FIFTH AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT

Exhibit 10.29 Execution Version FIFTH AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT FIFTH AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT, dated as of March 31, 2023 (this “Amendment”), by and among Williams Industrial Services Group Inc., a Delaware corporation (“Holdings”), Williams Industrial Services Group, L.L.C., a Delaware limited liability company (“WISG”), Williams Ind

March 31, 2023 EX-10.15

Fourth Amendment to Term Loan, Guarantee and Security Agreement, dated as of February 24, 2023, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., and Construction & Maintenance Professionals, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd., WISG Electrical Ltd. and WISG Electrical, LLC, as guarantors, and EICF Agent LLC, as agent, and the lenders party thereto.+**

Exhibit 10.15 EXECUTION VERSION FOURTH AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT FOURTH AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT, dated as of February 24, 2023 (this “Amendment”), by and among Williams Industrial Services Group Inc., a Delaware corporation (“Holdings”), Williams Industrial Services Group, L.L.C., a Delaware limited liability company (“WISG”), William

March 2, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 24, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpor

March 2, 2023 EX-99.1

Williams Industrial Services Group Inc. | 200 Ashford Center North, Suite 425 ♦ Atlanta, GA 30338

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. | 200 Ashford Center North, Suite 425 ♦ Atlanta, GA 30338 FOR IMMEDIATE RELEASE Williams Industrial Services Group Announces Amended Credit Agreements and Updates Status of Strategic Review Process ATLANTA, GA, March 2, 2023 – Williams Industrial Services Group Inc. (NYSE American: WLMS) (“Williams” or the “Company”), an infrastruct

February 14, 2023 SC 13G/A

WLMS / Williams Industrial Services Group Inc / Minerva Advisors LLC - WILLIAMS 13G-A3 Passive Investment

SC 13G/A 1 williams13ga3.htm WILLIAMS 13G-A3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, $.01 par value (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Stat

February 13, 2023 SC 13G/A

WLMS / Williams Industrial Services Group Inc / Francis Capital Management, LLC Passive Investment

SC 13G/A 1 wlms13gv4.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, par value $0.01 (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the

February 7, 2023 SC 13G/A

WLMS / Williams Industrial Services Group Inc / Wax Asset Management, LLC Passive Investment

SC 13G/A 1 fp0082107-2sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 5)* Williams Industrial Services Group Inc (Name of Issuer) Common Stock, par value $.01 per share (Title of Class of Securi

February 1, 2023 SC 13G/A

WLMS / Williams Industrial Services Group Inc / Emancipation Management LLC - EMANCIPATION MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 8)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box t

January 11, 2023 EX-99.1

Williams Industrial Services Group Inc. | 200 Ashford Center North, Suite 425 ♦ Atlanta, GA 30338

EX-99.1 2 tm233087d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. | 200 Ashford Center North, Suite 425 ♦ Atlanta, GA 30338 FOR IMMEDIATE RELEASE Williams Industrial Services Group Announces Preliminary Full Year Results Company Engages Greenhill to Explore Strategic Alternatives ATLANTA, GA, January 11, 2023 – Williams Industrial Services Group Inc. (NY

January 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 9, 2023 Williams Industri

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 9, 2023 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporat

November 14, 2022 EX-10.3

Second Amendment, Joinder and Waiver to Revolving Credit and Security Agreement, dated as of October 7, 2022, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., Construction & Maintenance Professionals, LLC, and WISG Electrical, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd. and WISG Electrical Ltd., as guarantors, and PNC Bank, National Association, as agent, and the lenders party thereto (filed as Exhibit 10.3 to our Form 10-Q filed with the Commission on November 14, 2022 and incorporated herein by reference).**

Exhibit 10.3 ? SECOND AMENDMENT, JOINDER AND WAIVER TO REVOLVING CREDIT AND SECURITY AGREEMENT ? This Second Amendment, Joinder and Waiver to Revolving Credit and Security Agreement (this ?Amendment?) dated as of October 7, 2022 by and among WILLIAMS INDUSTRIAL SERVICES GROUP INC., a Delaware corporation (?Holdings?), WILLIAMS INDUSTRIAL SERVICES GROUP, L.L.C., a Delaware limited liability company

November 14, 2022 EX-99.1

Williams Reports Third Quarter Financial Results Guidance Adjusted for 2022; Backlog Grows Over $100 Million; Litigation Complete

EX-99.1 2 wlms-20221114xex99d1.htm EX-99.1 Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 200 Ashford Center North, Suite 425 ♦ Atlanta, GA 30338 FOR IMMEDIATE RELEASE Williams Reports Third Quarter Financial Results Guidance Adjusted for 2022; Backlog Grows Over $100 Million; Litigation Complete ATLANTA, GA, November 14, 2022 – Williams Industrial Services Group Inc. (NYSE Am

November 14, 2022 EX-99.2

3 Q3 - 2022 Highlights 2022 Q3 revenue of $56.7 million versus $73.4 million in the prior - year period, primarily reflecting reduced decommissioning and nuclear business Gross margin of 1.3% versus 9.2% in the 2021 third quarter; excluding Florida w

Exhibit 99.2 Q3 2022 Financial Results: November 15, 2022 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay EVP & Chief Operating Officer Damien Vassall VP & Chief Financial Officer 2 2 Cautionary Notes Note: Unless otherwise noted, all discussion is based upon continuing operations. Forward - looking Statement Disclaimer This presentation contains ?forward - looking statements? within

November 14, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? Date of Report (Date of earliest event reported) November 14, 2022 ? Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) ? ? ? ? Delaware 001-16501 73-1541378 (State or Other Juris

November 14, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? ? FORM 10-Q ? ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the quarterly period ended September 30, 2022 ? or ? ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the transition period from to ? Commission File No. 001-16501

August 23, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 22, 2022 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporat

August 11, 2022 EX-10.2

First Amendment to Term Loan, Guarantee and Security Agreement, dated as of June 30, 2022, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., and Construction & Maintenance Professionals, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd., and WISG Electrical Ltd., as guarantors, and EICF Agent LLC, as agent, and the lenders party thereto (filed as Exhibit 10.2 to our Form 10-Q filed with the Commission on August 11, 2022 and incorporated herein by reference).

? Exhibit 10.2 ? FIRST AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT ? FIRST AMENDMENT TO TERM LOAN, GUARANTEE AND SECURITY AGREEMENT, dated as of June 30, 2022 (this ?Amendment?), by and among Williams Industrial Services Group Inc., a Delaware corporation (?Holdings?), Williams Industrial Services Group, L.L.C., a Delaware limited liability company (?WISG?), Williams Industrial Servic

August 11, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? Date of Report (Date of earliest event reported) August 11, 2022 ? Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) ? ? ? ? Delaware 001-16501 73-1541378 (State or Other Jurisdi

August 11, 2022 EX-99.2

2 2 Cautionary Notes Note: Unless otherwise noted, all discussion is based upon continuing operations. Forward - looking Statement Disclaimer This presentation contains “forward - looking statements” within the meaning of the term set forth in the Pr

EX-99.2 3 wlms-20220811xex99d2.htm EX-99.2 Exhibit 99.2 Q2 2022 Financial Results: August 12, 2022 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay EVP & Chief Operating Officer Damien Vassall VP & Chief Financial Officer 2 2 Cautionary Notes Note: Unless otherwise noted, all discussion is based upon continuing operations. Forward - looking Statement Disclaimer This presentation contai

August 11, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? ? FORM 10-Q ? ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the quarterly period ended June 30, 2022 ? or ? ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the transition period from to ? Commission File No. 001-16501 Willi

August 11, 2022 EX-99.1

Williams Reports Second Quarter 2022 Financial Results Performance Reflects Delayed Awards, Non-recurring Margin Pressure

Exhibit 99.1 ? ? NEWS RELEASE ? ? ? Williams Industrial Services Group Inc. ? 200 Ashford Center North, Suite 425 ? Atlanta, GA 30338 ? ? ? FOR IMMEDIATE RELEASE ? Williams Reports Second Quarter 2022 Financial Results ? Performance Reflects Delayed Awards, Non-recurring Margin Pressure ? ATLANTA, GA, August 11, 2022 ? Williams Industrial Services Group Inc. (NYSE American: WLMS) (?Williams? or th

August 11, 2022 EX-10.3

First Amendment to Revolving Credit and Security Agreement, dated as of June 30, 2022, by and among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., and Construction & Maintenance Professionals, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd. and WISG Electrical Ltd., as guarantors, and PNC Bank, National Association, as agent, and the lenders party thereto (filed as Exhibit 10.3 to our Form 10-Q filed with the Commission on August 11, 2022 and incorporated herein by reference).**

Exhibit 10.3 Execution Version FIRST AMENDMENT TO REVOLVING CREDIT AND SECURITY AGREEMENT This First Amendment to Revolving Credit and Security Agreement (this ?Amendment?) dated as of August 3, 2022 by and among WILLIAMS INDUSTRIAL SERVICES GROUP INC., a Delaware corporation (?Holdings?), WILLIAMS INDUSTRIAL SERVICES GROUP, L.L.C., a Delaware limited liability company (?WISG?), WILLIAMS INDUSTRIA

August 4, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 3, 2022 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporati

August 4, 2022 EX-99.1

Williams Announces Revised Guidance for Fiscal 2022 Additional Business Investment, One Time Expenses, and Contract Delays Impact Near-Term Outlook

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ? 200 Ashford Center North, Suite 425 ? Atlanta, GA 30338 FOR IMMEDIATE RELEASE Williams Announces Revised Guidance for Fiscal 2022 Additional Business Investment, One Time Expenses, and Contract Delays Impact Near-Term Outlook ATLANTA, GA, August 4, 2022 ? Williams Industrial Services Group Inc. (NYSE American: WLMS) (?Williams? or

June 10, 2022 EX-24.1

Power of Attorney.

Exhibit 24.1 POWER OF ATTORNEY Each individual whose signature appears below constitutes and appoints Tracy D. Pagliara, President and Chief Executive Officer, and Charles E. Wheelock, Senior Vice President, Chief Administrative Officer, General Counsel and Secretary, and each of them singly, as his or her true and lawful attorneys-in-fact and agents, each with full power of substitution and resub

June 10, 2022 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Williams Industrial Services Group Inc.

June 10, 2022 S-8

As filed with the U.S. Securities and Exchange Commission on June 10, 2022

As filed with the U.S. Securities and Exchange Commission on June 10, 2022 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 WILLIAMS INDUSTRIAL SERVICES GROUP INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 73-1541378 (State or Other Jurisdiction of Incorporation or Or

May 17, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 12, 2022 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporation

May 17, 2022 EX-10.1

2015 Equity Incentive Plan (as amended and restated as of March 15, 2022) (filed as Exhibit 10.1 to our Form 8-K filed with the Commission on May 17, 2022 and incorporated herein by reference).*

Exhibit 10.1 WILLIAMS INDUSTRIAL SERVICES GROUP INC. 2015 EQUITY INCENTIVE PLAN (As Amended and Restated as of March 15, 2022) 1. Establishment, Purpose, Duration. (a) Establishment. Williams Industrial Services Group Inc. (f/k/a Global Power Equipment Group Inc.) (the ?Company?), established an equity compensation plan known as the Williams Industrial Services Group Inc. 2015 Equity Incentive Pla

May 12, 2022 EX-10.3

Form of Performance-Based Restricted Share Unit Agreement (2022) (filed as Exhibit 10.3 to our Form 10-Q filed with the Commission on May 12, 2022 and incorporated herein by reference).*

Williams Plant Services Group Inc. 200 Ashford Center North, Suite 425 Atlanta, Georgia 30338 ? Exhibit 10.3 Williams Industrial Services Group Inc. PERFORMANCE-Based RESTRICTED SHARE UNIT Agreement Notice of Restricted Share Unit Award Williams Industrial Services Group Inc. (the ?Company?) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group I

May 12, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? ? FORM 10-Q ? ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the quarterly period ended March 31, 2022 ? or ? ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the transition period from to ? Commission File No. 001-16501 Will

May 12, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? Date of Report (Date of earliest event reported) May 12, 2022 ? Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) ? ? ? ? Delaware 001-16501 73-1541378 (State or Other Jurisdicti

May 12, 2022 EX-99.2

2 2 Forward - looking Statement Disclaimer This presentation contains “forward - looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995 . The forward - looking statements include statement

EX-99.2 3 wlms-20220512xex99d2.htm EX-99.2 Exhibit 99.2 Q1 2022 Financial Results: May 13, 2022 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay EVP & Chief Operating Officer Damien Vassall VP & Chief Financial Officer 2 2 Forward - looking Statement Disclaimer This presentation contains “forward - looking statements” within the meaning of the term set forth in the Private Securities L

May 12, 2022 EX-99.1

Williams Reports First Quarter 2022 Financial Results Guidance Unchanged as Market Dynamics Point to Improving Award Environment

Exhibit 99.1 ? ? NEWS RELEASE ? ? ? Williams Industrial Services Group Inc. ? 200 Ashford Center North, Suite 425 ? Atlanta, GA 30338 ? ? ? FOR IMMEDIATE RELEASE ? Williams Reports First Quarter 2022 Financial Results ? Guidance Unchanged as Market Dynamics Point to Improving Award Environment ? ATLANTA, GA, May 12, 2022 ? Williams Industrial Services Group Inc. (NYSE American: WLMS) (?Williams? o

May 12, 2022 EX-10.2

Form of Time-Based Restricted Share Unit Agreement (2022) (filed as Exhibit 10.2 to our Form 10-Q filed with the Commission on May 12, 2022 and incorporated herein by reference).*

Williams Plant Services Group Inc. 200 Ashford Center North, Suite 425 Atlanta, Georgia 30338 ? EXHIBIT 10.2 Williams Industrial Services Group Inc. TIME-Based Restricted Share Unit Agreement Notice of Restricted Share Unit Award Williams Industrial Services Group Inc. (the ?Company?) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 201

March 23, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEF 14A 1 tm223507d1def14a.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as

March 23, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEFA14A 1 tm223507d2defa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (a

March 16, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? Date of Report (Date of earliest event reported) March 16, 2022 ? Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) ? ? ? ? Delaware 001-16501 73-1541378 (State or Other Jurisdic

March 16, 2022 EX-99.1

Williams Reports Fourth Quarter 2021 Financial Results Outlook Improving as Company Moves Forward; Guidance Unchanged

Exhibit 99.1 ? ? NEWS RELEASE ? ? ? Williams Industrial Services Group Inc. ? 200 Ashford Center North, Suite 425 ? Atlanta, GA 30338 ? ? ? FOR IMMEDIATE RELEASE ? Williams Reports Fourth Quarter 2021 Financial Results ? Outlook Improving as Company Moves Forward; Guidance Unchanged ? ATLANTA, GA, March 16, 2022 ? Williams Industrial Services Group Inc. (NYSE American: WLMS) (?Williams? or the ?Co

March 16, 2022 EX-21.1

Subsidiaries of the Company.

EXHIBIT 21.1 Exhibit A Williams Industrial Services Group Inc. Annual Report on Form 10-K Subsidiaries of Williams Industrial Services Group Inc. ? ? ? ? ? ? Consolidated Subsidiaries ? Where Organized Braden Holdings, LLC ? Delaware ? ? Global Power Professional Services Inc. Delaware ? ? GPEG, LLC Delaware ? ? Steam Enterprises, L.L.C. Delaware ? ? Williams Industrial Services Group, L.L.C. Dela

March 16, 2022 EX-10.23

Form of Restricted Shares Award Agreement (Non-Employee Directors) (2022) (filed as Exhibit 10.23 to our Form 10-K filed with the Commission on March 16, 2022 and incorporated herein by reference).*

Exhibit 10.23 ? WILLIAMS INDUSTRIAL SERVICES GROUP INC. RESTRICTED SHARES AWARD AGREEMENT (Non-Employee Directors) Notice of Restricted Shares Award Williams Industrial Services Group Inc. (the ?Company?) grants to the Grantee named below, in accordance with the terms and conditions of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the ?Plan?) and this Restricted Shares Aw

March 16, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Commission File No. 001-16501 Williams Industrial

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 Commission File No. 001-16501 Williams Industrial Services Group Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incor

March 16, 2022 EX-99.2

Q4 2021 Financial Results: March 17, 2022 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay EVP & Chief Operating Officer Damien Vassall VP & Chief Financial Officer 3 Recent Highlights 2021 Q4 revenue of $79.2 million versus $64.1 million

Exhibit 99.2 Q4 2021 Financial Results: March 17, 2022 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay EVP & Chief Operating Officer Damien Vassall VP & Chief Financial Officer 2 2 Forward - looking Statement Disclaimer This presentation contains ?forward - looking statements? within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995 .. The forwa

February 14, 2022 SC 13G/A

WLMS / Williams Industrial Services Group Inc / Minerva Advisors LLC - MINERVA 13GA2 WILLIAMS Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, $.01 par value (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

February 14, 2022 SC 13G/A

WLMS / Williams Industrial Services Group Inc / Francis Capital Management, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.2)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, par value $0.01 (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designa

February 8, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Shareholder Director Nominations

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 3, 2022 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpora

February 8, 2022 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 4, 2021 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpo

February 8, 2022 EX-99.1

Williams Industrial Services Group Provides Update on Contracts No Change to 2022 Financial Guidance

Exhibit 99.1 Williams Industrial Services Group Inc. | 100 Crescent Centre Parkway, Suite 1240 | Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Provides Update on Contracts No Change to 2022 Financial Guidance ATLANTA, GA, February 7, 2022 ? Williams Industrial Services Group Inc. (NYSE American: WLMS) (?Williams? or the ?Company?), a construction and maintenance infrast

January 31, 2022 SC 13G/A

WLMS / Williams Industrial Services Group Inc / Wax Asset Management, LLC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 4)* Williams Industrial Services Group Inc (Name of Issuer) Common Stock, par value $.01 per share (Title of Class of Securities) 96951A104 (CUSIP Number) De

January 28, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 28, 2022 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpora

January 28, 2022 EX-99.1

Williams Industrial Services Group Provides Fiscal 2022 Guidance

Exhibit 99.1 Williams Industrial Services Group Inc. | 100 Crescent Centre Parkway, Suite 1240 | Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Provides Fiscal 2022 Guidance ATLANTA, GA, January 28, 2022 ? Williams Industrial Services Group Inc. (NYSE American: WLMS) (?Williams? or the ?Company?), a construction and maintenance services company, today provided its financ

January 27, 2022 SC 13G/A

WLMS / Williams Industrial Services Group Inc / Emancipation Management LLC - EMANCIPATION MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 7)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box t

November 29, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 25, 2021 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpor

November 17, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? Date of Report (Date of earliest event reported): November 17, 2021 ? Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) ? ? ? ? Delaware 001-16501 73-1541378 (State or Other Juri

November 17, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? ? FORM 10-Q ? ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the quarterly period ended September 30, 2021 ? or ? ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the transition period from to ? Commission File No. 001-16501

November 17, 2021 EX-10.1

Employment Agreement, dated November 15, 2021, between the Company and Damien Vassall (filed as Exhibit 10.1 to our Form 10-Q filed with the Commission on November 17, 2021 and incorporated herein by reference).*

? Exhibit 10.1 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (?Agreement?) is effective as of the 15th day of November, 2021 (the ?Effective Date?), between Williams Industrial Services Group Inc. (the ?Company?) and Damien Vassall (?Executive?). In consideration of the mutual covenants contained herein and other good and valuable consideration, the receipt and sufficiency of which are hereby ack

November 17, 2021 EX-99.2

Q3 2021 Financial Results: November 18, 2021 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay EVP & Chief Operating Officer Damien Vassall VP & Chief Financial Officer 3 Recent Highlights 2021 Q3 revenue of $73.4 million versus $66.2 mill

Exhibit 99.2 Q3 2021 Financial Results: November 18, 2021 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay EVP & Chief Operating Officer Damien Vassall VP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains ?forward-looking statements? within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-

November 17, 2021 EX-99.1

Williams Reports Third Quarter 2021 Financial Results Backlog Continues to Expand; Revising Guidance to Reflect Margin Pressure and Order Timing

Exhibit 99.1 ? ? NEWS RELEASE ? ? ? Williams Industrial Services Group Inc. ? 100 Crescent Centre Parkway, Suite 1240 ? Tucker, GA 30084 ? ? ? FOR IMMEDIATE RELEASE ? Williams Reports Third Quarter 2021 Financial Results ? Backlog Continues to Expand; Revising Guidance to Reflect Margin Pressure and Order Timing ? ATLANTA, GA. November 17, 2021? Williams Industrial Services Group Inc. (NYSE Americ

November 8, 2021 8-K

Financial Statements and Exhibits, Other Events, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 4, 2021 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpora

November 8, 2021 EX-99.1

Williams Announces Organizational Changes and Board Addition

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ? 100 Crescent Centre Parkway, Suite 1240 ? Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Announces Organizational Changes and Board Addition ATLANTA, GA, November 8, 2021 ? Williams Industrial Services Group Inc. (NYSE American: WLMS) (?Williams? or the ?Company?), an energy and industrial infrastructure services company, today a

August 18, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? Date of Report (Date of earliest event reported): August 18, 2021 ? Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) ? ? ? ? Delaware 001-16501 73-1541378 (State or Other Jurisd

August 18, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? ? FORM 10-Q ? ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the quarterly period ended June 30, 2021 ? or ? ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? For the transition period from to ? Commission File No. 001-16501 Willi

August 18, 2021 EX-99.2

Q2 2021 Financial Results August 18, 2021 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay SVP & Chief Financial Officer 3 Recent Highlights 2021 Q2 revenue of $91.6 million versus $72.5 million in 2020 ▪ Up 26% year-over-year, reflecting

EX-99.2 3 wlms-20210818xex99d2.htm EX-99.2 Exhibit 99.2 Q2 2021 Financial Results August 18, 2021 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-look

August 18, 2021 EX-99.1

Williams Reports Second Quarter 2021 Financial Results Backlog $664.4 Million; Revenue Growth 26.2%; EPS $0.11

Exhibit 99.1 ? ? NEWS RELEASE ? ? ? Williams Industrial Services Group Inc. ? 100 Crescent Centre Parkway, Suite 1240 ? Tucker, GA 30084 ? ? ? FOR IMMEDIATE RELEASE ? Williams Reports Second Quarter 2021 Financial Results ? Backlog $664.4 Million; Revenue Growth 26.2%; EPS $0.11 ? ATLANTA, GA, August 18, 2021 ? Williams Industrial Services Group Inc. (NYSE American: WLMS) (?Williams? or the ?Compa

June 16, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 15, 2021 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

June 3, 2021 EX-99.1

22 22 Company Confidential 2020 Performance Year Ended December 31, ($ in thousands, except share and per share amounts) 2020 2019 Revenue $ 269,051 $ 245,787 Cost of revenue 235,035 214,887 Gross profit 34,016 30,900 Gross margin 12.6% 12.6% Selling

Exhibit 99.1 Investor Presentation June 2021 Tracy PagliaraRandy Lay President and CEOSenior VP & CFO NYSE American: WLMS Your Trust. Our Passion. Company Confidential Cautionary Notes Forward-looking Statement Disclaimer This presentation contains ?forward-looking statements? within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking stat

June 3, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 3, 2021 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporation

May 19, 2021 EX-99.2

Q1 2021 Financial Results May 19, 2021 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay SVP & Chief Financial Officer 3 Recent Highlights 2021 Q1 Revenue of $60.9 million versus $66.1 million in 2020 ▪ Reflects project timing, including r

Exhibit 99.2 Q1 2021 Financial Results May 19, 2021 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains ?forward-looking statements? within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expectati

May 19, 2021 EX-10.1

Form of Time-Based Unit Agreement (March 31, 2021) (filed as Exhibit 10.1 to our Form 10-Q filed with the Commission on May 19, 2021 and incorporated herein by reference).*

Exhibit 10.1 WILLIAMS INDUSTRIAL SERVICES GROUP INC. TIME-BASED UNIT AGREEMENT ? Notice of Unit Award Williams Industrial Services Group Inc. (the ?Company?) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the ?Plan?) and this Time-Based Unit Agreement (the ?Agreement?), the number of Units set forth below,

May 19, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? Date of Report (Date of earliest event reported): May 19, 2021 ? Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) ? ? ? ? Delaware 001-16501 73-1541378 (State or Other Jurisdict

May 19, 2021 EX-10.2

Form of Performance-Based Award Agreement (March 31, 2021) (filed as Exhibit 10.2 to our Form 10-Q filed with the Commission on May 19, 2021 and incorporated herein by reference).*

Exhibit 10.2 WILLIAMS INDUSTRIAL SERVICES GROUP INC. PERFORMANCE-BASED AWARD AGREEMENT ? Notice of Performance-Based Award Williams Industrial Services Group Inc. (the ?Company?) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the ?Plan?) and this Performance-Based Award Agreement (the ?Agreement?), the oppo

May 19, 2021 EX-99.1

Williams Reports First Quarter 2021 Financial Results Growing Backlog & New Opportunities Point to Improving Fundamentals; Guidance Unchanged

EX-99.1 2 tmb-20210519xex99d1.htm EX-99.1 Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Reports First Quarter 2021 Financial Results Growing Backlog & New Opportunities Point to Improving Fundamentals; Guidance Unchanged ATLANTA, GA, May 19, 2021 – Williams Industrial Services Group Inc.

May 19, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 19, 2021 EX-10.3

Form of Restricted Shares Award Agreement (February 4, 2021).♦

Exhibit 10.3 Williams Industrial Services Group Inc. Restricted Shares Award Agreement Notice of Restricted Shares Award Williams Industrial Services Group Inc. (the ?Company?) grants to the Grantee named below, in accordance with the terms and conditions of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the ?Plan?) and this Restricted Shares Award Agreement (the ?Agreemen

May 18, 2021 S-8

As filed with the U.S. Securities and Exchange Commission on May 17, 2021

As filed with the U.S. Securities and Exchange Commission on May 17, 2021 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 WILLIAMS INDUSTRIAL SERVICES GROUP INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 73-1541378 (State or Other Jurisdiction of Incorporation or Org

May 18, 2021 EX-24.1

Power of Attorney.

Exhibit 24.1 POWER OF ATTORNEY Each individual whose signature appears below constitutes and appoints Tracy D. Pagliara, President and Chief Executive Officer, and Charles E. Wheelock, Senior Vice President, Chief Administrative Officer, General Counsel, and Secretary, and each of them singly, his true and lawful attorneys-in-fact and agents with full power of substitution, for him and in his name

May 18, 2021 EX-99.1

Time-Based Restricted Share Unit Agreement (Inducement Grant) dated May 17, 2021, between the Company and Raymond A. Hruby, Jr. (filed as Exhibit 99.1 to the Company’s Registration Statement on Form S-8 (File No. 333-256226) filed with the SEC on May 18, 2021 and incorporated herein by reference.

Exhibit 99.1 Williams Industrial Services Group Inc. TIME-Based Restricted Share Unit Agreement (Inducement Grant) Notice of Restricted Share Unit Award As a material inducement to the decision by the grantee listed below (the ?Grantee?) to accept employment with Williams Industrial Services Group Inc. (the ?Company?), and pursuant to that certain offer letter negotiated by and between the Grantee

May 18, 2021 EX-99.2

Performance-Based Restricted Share Unit Agreement (Inducement Grant), dated May 17, 2021, between the Company and Raymond A. Hruby, Jr. (filed as Exhibit 99.2 to the Company’s Registration Statement on Form S-8 (File No. 333-256226) filed with the SEC on May 18, 2021 and incorporated herein by reference.

Exhibit 99.2 Williams Industrial Services Group Inc. PERFORMANCE-Based RESTRICTED SHARE UNIT Agreement (Inducement Grant) Notice of Restricted Share Unit Award As a material inducement to the decision by the grantee listed below (the ?Grantee?) to accept employment with Williams Industrial Services Group Inc. (the ?Company?), and pursuant to that certain offer letter negotiated by and between the

April 27, 2021 DEF 14A

definitive proxy statement on Schedule 14A

DEF 14A 1 tm212509d1def14a.htm DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as

March 31, 2021 EX-21.1

Subsidiaries of the Company.♦

EXHIBIT 21.1 Exhibit A Williams Industrial Services Group Inc. Annual Report on Form 10-K Subsidiaries of Williams Industrial Services Group Inc. ? ? ? ? ? ? Consolidated Subsidiaries ? Where Organized Braden Holdings, LLC ? Delaware ? ? Global Power Professional Services Inc. Delaware ? ? GPEG, LLC Delaware ? ? Steam Enterprises, L.L.C. Delaware ? ? Williams Industrial Services Group, L.L.C. Dela

March 31, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? Date of Report (Date of earliest event reported): March 31, 2021 ? Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) ? ? ? ? Delaware 001-16501 73-1541378 (State or Other Jurisdi

March 31, 2021 EX-10.24

Term Loan, Guarantee and Security Agreement, dated December 16, 2020, among Williams Industrial Services Group Inc., as borrower, EICF Agent LLC, as agent, and the other credit parties party thereto (filed as Exhibit 10.24 to our Form 10-K filed with the Commission on March 31, 2021 and incorporated herein by reference).**

Exhibit 10.24 ? ? ? ? ? ? ? ? ? ? ? ? TERM LOAN, GUARANTEE AND SECURITY AGREEMENT ? DATED AS OF DECEMBER 16, 2020 ? AMONG ? EICF AGENT LLC, ? AS AGENT FOR THE LENDERS SIGNATORY HERETO, ? WILLIAMS INDUSTRIAL SERVICES GROUP INC., AS BORROWER ? AND ? THE OTHER CREDIT PARTIES SIGNATORY HERETO ? ? ? ? ? ? ? ? ? ? ? CHAPMAN AND CUTLER LLP 1270 Avenue of the Americas, 30th Floor New York, New York 10020

March 31, 2021 10-K

UNITED STATES SECURITIES AND EXCHANGE WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 Commission File No. 001-16501 Williams Industrial

Table of Contents ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

March 31, 2021 EX-99.1

Williams Reports Fourth Quarter 2020 Financial Results Begins 2021 Positioned for Growth, Strong Operating Results, and Further Debt Reduction

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Reports Fourth Quarter 2020 Financial Results Begins 2021 Positioned for Growth, Strong Operating Results, and Further Debt Reduction ATLANTA, GA, March 31, 2021 – Williams Industrial Services Group Inc. (NYSE American: WLMS) (“Williams” or t

March 31, 2021 EX-10.20

Form of Performance-Based Award Agreement (March 31, 2020) (filed as Exhibit 10.20 to our Form 10-K filed with the Commission on March 31, 2021 and incorporated herein by reference).*

Exhibit 10.20 WILLIAMS INDUSTRIAL SERVICES GROUP INC. PERFORMANCE-BASED RESTRICTED SHARE UNIT AGREEMENT Notice of Restricted Share Unit Award Williams Industrial Services Group Inc. (the ?Company?) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the ?Plan?) and this Performance-Based Restricted Share Unit Ag

March 31, 2021 EX-4.2

Description of the Company’s Registered Securities (filed as Exhibit 4.2 to our Form 10-K filed with the Commission on March 31, 2021 and incorporated herein by reference).

Exhibit 4.2 DESCRIPTION OF THE COMMON STOCK OF WILLIAMS INDUSTRIAL SERVICES GROUP INC. The following summarizes the terms and provisions of the common stock of Williams Industrial Services Group Inc., a Delaware corporation (the ?Company?), which common stock is registered under Section 12(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). The following summary does not pu

March 31, 2021 EX-10.25

Revolving Credit and Security Agreement, dated December 16, 2020, among Williams Industrial Services Group Inc., Williams Industrial Services Group, L.L.C., Williams Industrial Services, LLC, Williams Specialty Services, LLC, Williams Plant Services, LLC, Williams Global Services, Inc., and Construction & Maintenance Professionals, LLC, as borrowers, Global Power Professional Services Inc., GPEG, LLC, Steam Enterprises LLC, WISG Canada Ltd., WISG Nuclear Ltd. and WISG Electrical Ltd., as guarantors, and PNC Bank, National Association, as agent, and the lenders party thereto (filed as Exhibit 10.25 to our Form 10-K filed with the Commission on March 31, 2021 and incorporated herein by reference).**

Exhibit 10.25 ? ? ? ? REVOLVING CREDIT AND SECURITY AGREEMENT ? ? ? ? PNC BANK, NATIONAL ASSOCIATION ? (AS AGENT) ? ? ? ? THE LENDERS PARTY HERETO (AS LENDERS) ? WITH ? ? ? ? WILLIAMS INDUSTRIAL SERVICES GROUP INC. WILLIAMS INDUSTRIAL SERVICES GROUP, L.L.C. WILLIAMS INDUSTRIAL SERVICES, LLC WILLIAMS SPECIALTY SERVICES, LLC WILLIAMS PLANT SERVICES, LLC WILLIAMS GLOBAL SERVICES, INC. CONSTRUCTION &

March 31, 2021 EX-99.2

Q4 2020 Financial Results March 31, 2021 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of

Exhibit 99.2 Q4 2020 Financial Results March 31, 2021 Tracy Pagliara President & CEO NYSE American: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains ?forward-looking statements? within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expecta

March 8, 2021 EX-99.1

Williams Industrial Services Group Announces Election of Robert Mills as Chairman

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. | 100 Crescent Centre Parkway, Suite 1240 | Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Announces Election of Robert Mills as Chairman ATLANTA, GA, March 8, 2021 – Williams Industrial Services Group Inc. (NYSE American: WLMS) (“Williams” or the “Company”), a construction and maintenance services company

March 8, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 8, 2021 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

February 23, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 23, 2021 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpor

February 16, 2021 8-A12B

- FORM 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) or (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Williams Industrial Services Group Inc. (Exact name of registrant as specified in its charter) Delaware 73-1541378 (State or other jurisdiction of incorporation) (I.R.S. Employer Identification No.

February 16, 2021 EX-99.1

Williams Industrial Services Group Announces Uplist to NYSE American Exchange

Exhibit 99.1 Williams Industrial Services Group Inc. | 100 Crescent Centre Parkway, Suite 1240 | Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Announces Uplist to NYSE American Exchange ATLANTA, GA, February 16, 2021 – Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a construction and maintenance services company, today announced tha

February 16, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.1)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.1)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, par value $0.01 (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designa

February 16, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 16, 2021 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpor

February 12, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 3)* Wil

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 3)* Williams Industrial Services Group Inc (Name of Issuer) Common Stock, par value $.01 per share (Title of Class of Securities) 96951A104 (CUSIP Number) De

February 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 6 – Exit Filing)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, $0.01 par value (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 6 – Exit Filing)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate

February 9, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, $.01 par value (Title of Class of

SC 13G/A 1 williams13ga1v2.htm WILLIAMS 13G A1 MINERVA UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, $.01 par value (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of

February 9, 2021 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K/A 1 tm215898d18ka.htm FORM 8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 2, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (

January 7, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box t

December 23, 2020 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, par value $0.01 (Title of Class of Securities) 96951A104 (CUSIP Number) December 11, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

December 17, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

8-K 1 tm2038702d18k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 16, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State

December 17, 2020 EX-99.1

Williams Closes on New Credit Facilities Facilities Expected to Reduce Interest Expense by Approximately $1.5 Million in 2021

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Closes on New Credit Facilities Facilities Expected to Reduce Interest Expense by Approximately $1.5 Million in 2021 ATLANTA, GA, December 17, 2020 – Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a const

November 12, 2020 EX-99.1

Williams Reports Third Quarter 2020 Financial Results Revenue $66.2 Million; Gross Margin 13.1%

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Reports Third Quarter 2020 Financial Results Revenue $66.2 Million; Gross Margin 13.1% ATLANTA, GA, November 12, 2020 – Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a construction and maintenance servic

November 12, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ? FORM 8-K ? CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ? Date of Report (Date of earliest event reported): November 12, 2020 ? Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) ? ? ? ? Delaware 001-16501 73-1541378 (State or Other Juri

November 12, 2020 EX-99.2

Q3 2020 Financial Results November 12, 2020 Tracy Pagliara President & CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the

Exhibit 99.2 Q3 2020 Financial Results November 12, 2020 Tracy Pagliara President & CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expectations

November 12, 2020 EX-10.4

Offer Letter, dated November 14, 2019, between the Company and Michael K. (Kelly) Powers (filed as Exhibit 10.4 to our Form 10-Q filed with the Commission on November 12, 2020 and incorporated herein by reference).*

Exhibit 10.4 Williams Industrial Services Group, LLC a Williams Industrial Services Group, Inc. Company November 14, 2019 Kelly Powers Dear Kelly, On behalf of Williams Industrial Services Group, LLC. (“Company”), this letter is to confirm your position of President - Power. You will report directly to Tracy Pagliara. The details of our employment offer are outlined below: Effective Date: August 1

November 12, 2020 EX-10.2

Separation Agreement, dated September 2, 2020, between the Company and Matthew J. Petrizzo.♦

Exhibit 10.2 SEPARATION AGREEMENT This Separation Agreement (this "Agreement") is made and entered into as of September 2, 2020, by and between Matthew J. Petrizzo ("Executive") and Williams Industrial Services Group Inc. (the "Company"). The Company and Executive are sometimes collectively referred to herein as the "Parties" and individually as a "Party". 1. Separation. Pursuant to Severance prov

November 12, 2020 EX-10.3

Offer Letter, dated October 10, 2018, between the Company and Matthew J. Petrizzo.♦

Exhibit 10.3 Williams Industrial Services Group Inc. October 10, 2018 Matthew Petrizzo Williams Industrial Services Group Inc. Point Pleasant Beach, NJ 08742 Sent via emai to: [email protected] Dear Matt: On behalf of Williams Industrial Service Group Inc. (the “Company”), I am pleased to offer you the position of Senior Vice President, Operations-Energy and Industrial within our organization. W

November 12, 2020 EX-10.1

Amendment No. 4 to Credit and Security Agreement, dated August 1, 2020, by and among the Company and the other borrowers from time to time party thereto, as Borrowers, MidCap Funding IV Trust, as Agent and as a Lender, and the additional lenders from time to time party thereto.♦

EX-10.1 2 wlms-20200930ex1017b4203.htm EX-10.1 Exhibit 10.1 Execution Version AMENDMENT NO. 4 TO CREDIT AND SECURITY AGREEMENT This AMENDMENT NO. 4 TO CREDIT AND SECURITY AGREEMENT (this “Agreement”) is dated as of August 1, 2020, by and among WILLIAMS INDUSTRIAL SERVICES GROUP INC., a Delaware corporation (the “Company”), each of its direct and indirect Subsidiaries set forth on the signature pag

November 12, 2020 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ◻ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-16501 Wi

September 3, 2020 EX-99.1

Williams Announces Changes to Senior Management and Board of Directors Kelly Powers Becomes President, Operations & Business Development; Mitch Quain Added to Board

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Announces Changes to Senior Management and Board of Directors Kelly Powers Becomes President, Operations & Business Development; Mitch Quain Added to Board ATLANTA, GA, September 3, 2020 – Williams Industrial Services Group Inc. (OTCQX: WLMS)

September 3, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 28, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporat

August 31, 2020 SC 13D/A

WLMS / Williams Industrial Services Group Inc. / WYNNEFIELD PARTNERS SMALL CAP VALUE LP - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 8) Under the Securities Exchange Act of 1934 WILLIAMS INDUSTRIAL SERVICES GROUP INC. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 37941P306 (CUSIP Number) Wynnefield Partners Small Cap Value, L.P. 450 Seventh Avenue, Suite 509 New York, New York 10123 Attention: Mr

August 12, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ⌧ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ◻ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-16501 William

August 12, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 12, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporat

August 12, 2020 EX-99.2

Q2 2020 Financial Results August 13, 2020 Tracy Pagliara President & CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the te

Exhibit 99.2 Q2 2020 Financial Results August 13, 2020 Tracy Pagliara President & CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expectations r

August 12, 2020 EX-10.4

Amendment No. 4 to Credit and Security Agreement, dated August 1, 2020, by and among the Company and the other borrowers from time to time party thereto, as Borrowers, MidCap Funding IV Trust, as Agent and as a Lender, and the additional lenders from time to time party thereto.♦

Exhibit 10.4 AMENDMENT NO. 4 TO CREDIT AND SECURITY AGREEMENT This AMENDMENT NO. 4 TO CREDIT AND SECURITY AGREEMENT (this “Agreement”) is dated as of August 1, 2020, by and among WILLIAMS INDUSTRIAL SERVICES GROUP INC., a Delaware corporation (the “Company”), each of its direct and indirect Subsidiaries set forth on the signature pages hereto as a “Borrower” (together with the Company, collectivel

August 12, 2020 EX-99.1

Williams Reports Second Quarter 2020 Financial Results Revenue $72.5 Million; Net Income $2.5 Million; Adjusted EBITDA $5.0 Million; Guidance & Outlook Unchanged

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Reports Second Quarter 2020 Financial Results Revenue $72.5 Million; Net Income $2.5 Million; Adjusted EBITDA $5.0 Million; Guidance & Outlook Unchanged ATLANTA, GA, August 12, 2020 – Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Wi

June 12, 2020 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 tm2022406-18k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 9, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Ot

June 10, 2020 S-8

June 10, 2020 (File No. 333-239088)

S-8 1 tm2021897d1s8.htm S-8 As filed with the U.S. Securities and Exchange Commission on June 10, 2020 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 WILLIAMS INDUSTRIAL SERVICES GROUP INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 73-1541378 (State or Other Jurisdi

June 10, 2020 EX-24.1

Power of Attorney.

Exhibit 24.1 POWER OF ATTORNEY Each individual whose signature appears below constitutes and appoints Tracy D. Pagliara, President and Chief Executive Officer, and Charles E. Wheelock, Senior Vice President, Chief Administrative Officer, General Counsel and Secretary, and each of them singly, his true and lawful attorneys-in-fact and agents with full power of substitution, for him and in his name,

June 1, 2020 DEFA14A

- DEFA14A

DEFA14A 1 tm2021390-1defa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (

May 13, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 or ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-16501 Williams

May 13, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 13, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporation

May 13, 2020 EX-99.2

Q1 2020 Financial Results May 14, 2020 Tracy Pagliara President & CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term

Exhibit 99.2 Q1 2020 Financial Results May 14, 2020 Tracy Pagliara President & CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expectations rega

May 13, 2020 EX-10.4

Form of Time-Based Award Agreement (March 31, 2020) (filed as Exhibit 10.4 to our Form 10-Q filed with the Commission on May 13, 2020 and incorporated herein by reference).*

Exhibit 10.4 WILLIAMS INDUSTRIAL SERVICES GROUP INC. TIME-BASED RESTRICTED SHARE UNIT AGREEMENT Notice of Restricted Share Unit Award Williams Industrial Services Group Inc. (the “Company”) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the “Plan”) and this Time-Based Restricted Share Unit Agreement (the “A

May 13, 2020 EX-99.1

Williams Reports First Quarter 2020 Financial Results Revenue Growth 30.6%; New $60 Million Fuel Storage/Decommissioning Award; EBITDA Outlook Unchanged

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Reports First Quarter 2020 Financial Results Revenue Growth 30.6%; New $60 Million Fuel Storage/Decommissioning Award; EBITDA Outlook Unchanged ATLANTA, GA, May 13, 2020 – Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or t

May 13, 2020 EX-10.5

Form of Performance-Based Award Agreement (March 31, 2020).♦

Exhibit 10.5 WILLIAMS INDUSTRIAL SERVICES GROUP INC. PERFORMANCE-BASED RESTRICTED SHARE UNIT AGREEMENT Notice of Restricted Share Unit Award Williams Industrial Services Group Inc. (the “Company”) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the “Plan”) and this Performance-Based Restricted Share Unit Agr

May 13, 2020 EX-10.6

2015 Equity Incentive Plan (as amended and restated as of May 12, 2020) (filed as Exhibit 10.6 to our Form 10-Q filed with the Commission on May 13, 2020 and incorporated herein by reference).*

Exhibit 10.6 WILLIAMS INDUSTRIAL SERVICES GROUP INC. 2015 EQUITY INCENTIVE PLAN (As Amended and Restated as of May 12, 2020) 1. Establishment, Purpose, Duration. (a) Establishment. Williams Industrial Services Group Inc. (f/k/a Global Power Equipment Group Inc.) (the “Company”), established an equity compensation plan known as the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan

April 28, 2020 DEF 14A

definitive proxy statement on Schedule 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

April 1, 2020 SC 13G

WLMS / Williams Industrial Services Group Inc. / Minerva Advisors LLC - MINERVA - WILLIAMS 13G Passive Investment

sc13g UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, $.01 par value (Title of Class of Securities) 96951A104 (CUSIP Number) March 5, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designat

March 31, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 25, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporati

March 27, 2020 EX-10.18

Second Amendment to Senior Secured Credit Agreement, dated as of November 13, 2019, by and among the Company, as Borrower, the lenders from time to time party thereto and Centre Lane Partners Master Credit Fund II, L.P., as Administrative Agent and Collateral Agent.♦

Exhibit 10.18 SECOND AMENDMENT TO SENIOR SECURED CREDIT AGREEMENT This SECOND AMENDMENT TO SENIOR SECURED CREDIT AGREEMENT, dated as of November 13, 2019 (this “Second Amendment”), is entered into by and among Williams Industrial Services Group, Inc. (“Borrower”), each financial institution from time to time party hereto as lender (each, a “Lender” and collectively, the “Lenders”), and CENTRE LANE

March 27, 2020 EX-21.1

Subsidiaries of the Company.♦

EXHIBIT 21.1 Exhibit A Williams Industrial Services Group Inc. Annual Report on Form 10-K Subsidiaries of Williams Industrial Services Group Inc. Consolidated Subsidiaries Where Organized Braden Holdings, LLC Delaware Global Power Professional Services Inc. Delaware GPEG, LLC Delaware Steam Enterprises, L.L.C. Delaware Williams Industrial Services Group, L.L.C. Delaware Construction & Maintenance

March 27, 2020 EX-10.21

Amendment No. 1 to Credit and Security Agreement, dated as of October 16, 2019, by and among the Company and the other borrowers from time to time party thereto, as Borrowers, MidCap Funding IV Trust, as Agent and as a Lender, and the additional lenders from time to time party thereto.♦

Exhibit 10.21 AMENDMENT NO. 1 TO CREDIT AND SECURITY AGREEMENT This AMENDMENT NO. 1 TO CREDIT AND SECURITY AGREEMENT (this “Agreement”) is made as of October 16, 2019 (the “First Amendment Closing Date”), by and among WILLIAMS INDUSTRIAL SERVICES GROUP INC., a Delaware corporation (the “Company”), each of its direct and indirect Subsidiaries set forth on the signature pages hereto as a “Borrower”

March 27, 2020 EX-10.19

Third Amendment to Senior Secured Credit Agreement, dated as of January 13, 2020, by and among the Company, as Borrower, the lenders from time to time party thereto and Centre Lane Partners Master Credit Fund II, L.P., as Administrative Agent and Collateral Agent.♦

Exhibit 10.19 THIRD AMENDMENT TO SENIOR SECURED CREDIT AGREEMENT This THIRD AMENDMENT TO SENIOR SECURED CREDIT AGREEMENT, dated as of January 13, 2020 (this “Third Amendment”), is entered into by and among Williams Industrial Services Group, Inc. (“Borrower”), each financial institution from time to time party hereto as lender (each, a “Lender” and collectively, the “Lenders”), and CENTRE LANE PAR

March 27, 2020 EX-10.17

First Amendment to Senior Secured Credit Agreement, dated as of October 9, 2019, by and among the Company, as Borrower, the lenders from time to time party thereto and Centre Lane Partners Master Credit Fund II, L.P., as Administrative Agent and Collateral Agent.♦

Exhibit 10.17 FIRST AMENDMENT TO SENIOR SECURED CREDIT AGREEMENT This FIRST AMENDMENT TO SENIOR SECURED CREDIT AGREEMENT, dated as of October 9, 2019 (this “First Amendment”), is entered into by and among Williams Industrial Services Group, Inc. (“Borrower”), each financial institution from time to time party hereto as lender (each, a “Lender” and collectively, the “Lenders”), and CENTRE LANE PART

March 27, 2020 EX-4.2

Description of the Company’s Common Stock.

Exhibit 4.2 DESCRIPTION OF THE COMMON STOCK OF WILLIAMS INDUSTRIAL SERVICES GROUP INC. The following summarizes the terms and provisions of the common stock of Williams Industrial Services Group Inc., a Delaware corporation (the “Company”). The following summary does not purport to be complete and is qualified in its entirety by reference to the Company’s Second Amended and Restated Certificate of

March 27, 2020 EX-10.38

Form of Restricted Shares Award Agreement (dated March 13, 2019).*♦

Exhibit 10.38 Williams Industrial Services Group Inc. Restricted Shares Award Agreement Notice of Restricted Shares Award Williams Industrial Services Group Inc. (the “Company”) grants to the Grantee named below, in accordance with the terms and conditions of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the “Plan”) and this Restricted Shares Award Agreement (the “Agreeme

March 27, 2020 EX-10.23

Amendment No. 3 to Credit and Security Agreement, dated as of January 13, 2020, by and among the Company and the other borrowers from time to time party thereto, as Borrowers, MidCap Funding IV Trust, as Agent and as a Lender, and the additional lenders from time to time party thereto.♦

Exhibit 10.23 AMENDMENT NO. 3 TO CREDIT AND SECURITY AGREEMENT This AMENDMENT NO. 3 TO CREDIT AND SECURITY AGREEMENT (this “Agreement”) is dated as of January 13, 2020 (the “Third Amendment Closing Date”), by and among WILLIAMS INDUSTRIAL SERVICES GROUP INC., a Delaware corporation (the “Company”), each of its direct and indirect Subsidiaries set forth on the signature pages hereto as a “Borrower”

March 27, 2020 10-K

WLMS / Williams Industrial Services Group Inc. 10-K - Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Commission File No. 001‑16501 Williams Industrial Services Group Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incor

March 27, 2020 EX-10.36

Backstop Agreement – Acknowledgment and Waiver as to Refinancing Condition, dated January 24, 2020, between the Company and Wynnefield Capital, Inc.♦

Exhibit 10.36 Backstop Agreement – Acknowledgement and Waiver as to Refinancing Condition On November 14, 2019, Williams Industrial Services Group Inc. (the “Company”) and Wynnefield Capital, Inc. (“Wynnefield”) entered into a Backstop Agreement (the “Backstop Agreement”), pursuant to which Wynnefield agreed to backstop the Company’s proposed rights offering (the “Rights Offering”) by exercising a

March 27, 2020 EX-10.22

Amendment No. 2 to Credit and Security Agreement, dated as of November 14, 2019 and effective as of November 13, 2019, by and among the Company and the other borrowers from time to time party thereto, as Borrowers, MidCap Funding IV Trust, as Agent and as a Lender, and the additional lenders from time to time party thereto.♦

Exhibit 10.22 AMENDMENT NO. 2 TO CREDIT AND SECURITY AGREEMENT This AMENDMENT NO. 2 TO CREDIT AND SECURITY AGREEMENT (this “Agreement”) is made as of November 14, 2019 (the “Second Amendment Closing Date”) and effective as of November 13, 2019, by and among WILLIAMS INDUSTRIAL SERVICES GROUP INC., a Delaware corporation (the “Company”), each of its direct and indirect Subsidiaries set forth on the

March 26, 2020 EX-99.2

Q4 2019 Financial Results March 26, 2020 Tracy Pagliara President & CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 3 Q4 Revenue of $66.8 million, up 50.6% over the prior-year period . Canada contributed $5.9 million in new revenue Full Year

Exhibit 99.2 Q4 2019 Financial Results March 26, 2020 Tracy Pagliara President & CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expectations re

March 26, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 25, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporati

March 26, 2020 EX-99.1

Williams Reports Fourth Quarter 2019 Financial Results Begins 2020 Positioned for Strong Growth and Solid Bottom Line Performance

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Reports Fourth Quarter 2019 Financial Results Begins 2020 Positioned for Strong Growth and Solid Bottom Line Performance ATLANTA, March 25, 2020 – Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a construc

March 13, 2020 S-8

File No. 333-237147

S-8 1 tm2012534d1s8.htm FORM S-8 As filed with the U.S. Securities and Exchange Commission on March 13, 2020 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 WILLIAMS INDUSTRIAL SERVICES GROUP INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 73-1541378 (State or Other J

March 13, 2020 EX-24.1

Power of Attorney.

Exhibit 24.1 POWER OF ATTORNEY Each individual whose signature appears below constitutes and appoints Tracy D. Pagliara, President and Chief Executive Officer, and Charles E. Wheelock, Vice President, Administration, General Counsel and Secretary, and each of them singly, his true and lawful attorneys-in-fact and agents with full power of substitution, for him and in his name, place and stead, in

March 12, 2020 SC 13D/A

GLPW / Global Power Equipment Group, Inc. / WYNNEFIELD PARTNERS SMALL CAP VALUE LP - SECHEDULE 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 7) Under the Securities Exchange Act of 1934 WILLIAMS INDUSTRIAL SERVICES GROUP INC. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 37941P306 (CUSIP Number) Wynnefield Partners Small Cap Value, L.P. 450 Seventh Avenue, Suite 509 New York, New York 10123 Attention: Mr

March 6, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 6, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

March 6, 2020 EX-99.1

Williams Industrial Services Group Announces Results of Oversubscribed Rights Offering

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Announces Results of Oversubscribed Rights Offering ATLANTA, March 6, 2020 – Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a construction and maintenance services company, today

February 13, 2020 SC 13G/A

WLMS / Williams Industrial Services Group Inc. / GENDELL JEFFREY L ET AL - WILLIAMS INDUSTRIAL SERVICES GROUP INC. Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.5)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 96951A104 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which t

February 12, 2020 424B3

Williams Industrial Services Group Inc. Non-transferable Subscription Rights to Purchase Shares of Common Stock 5,384,615 Shares of Common Stock at $1.30 per Share

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS1 TABLE OF CONTENTS2 Table of Contents Filed pursuant to Rule 424(b)(3) Registration No.

February 11, 2020 SC 13G/A

GLPW / Global Power Equipment Group, Inc. / Wax Asset Management, LLC Passive Investment

SC 13G/A 1 fp0050900sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 2)* Williams Industrial Services Group Inc (Name of Issuer) Common Stock, par value $.01 per share (Title of Class of Securiti

February 7, 2020 EX-99.1

Williams Industrial Services Group Announces Key Dates for $7 million Rights Offering

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. · 100 Crescent Centre Parkway, Suite 1240 · Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Announces Key Dates for $7 million Rights Offering ATLANTA, February 7, 2020 — Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a construction and maintenance services company, ann

February 7, 2020 CORRESP

WLMS / Williams Industrial Services Group Inc. CORRESP - -

February 7, 2020 VIA EDGAR SUBMISSION Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, DC 20549 Re: Williams Industrial Services Group Inc.

February 7, 2020 S-1/A

WLMS / Williams Industrial Services Group Inc. S-1/A - - S-1/A

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS1 TABLE OF CONTENTS2 Table of Contents As filed with the Securities and Exchange Commission on February 6, 2020 Registration No.

February 7, 2020 SC 13G/A

GLPW / Global Power Equipment Group, Inc. / Emancipation Management LLC - EMANCIPATION MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Williams Industrial Services Group Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 37941P306 (CUSIP Number) December 31, 2019 (Date of Event which Requires Filing of this Statement) Check the appropriate box t

February 7, 2020 8-K

Financial Statements and Exhibits, Other Events

8-K 1 a19-2186498k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 7, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Othe

January 30, 2020 CORRESP

WLMS / Williams Industrial Services Group Inc. CORRESP - -

January 30, 2020 VIA EDGAR Ruairi Regan Office of Real Estate and Construction Division of Corporation Finance United States Securities and Exchange Commission 100 F Street, N.

January 17, 2020 EX-4.2

Form of Subscription Agent Agreement.¨

Exhibit 4.2 Subscription Agent Agreement Between Williams Industrial Services Group Inc. And Computershare Trust Company, N.A. And Computershare Inc. Rev. May 2008 This SUBSCRIPTION AGENT AGREEMENT (this “Agreement”), dated as of [DATE] (the “Effective Date”), is by and between Williams Industrial Services Group Inc., a Delaware corporation (“Company”), and Computershare Trust Company, N.A., a fed

January 17, 2020 EX-99.4

Form of Notice of Guaranteed Delivery.¨

Exhibit 99.4 NOTICE OF GUARANTEED DELIVERY FOR NON-TRANSFERABLE SUBSCRIPTION RIGHTS CERTIFICATES ISSUED BY WILLIAMS INDUSTRIAL SERVICES GROUP INC. This form, or one substantially equivalent hereto, must be used to exercise Rights pursuant to the rights offering (the “Rights Offering”) described in the Prospectus, dated [ ] [ ], 2020 (the “Prospectus”), of Williams Industrial Services Group Inc., a

January 17, 2020 EX-99.2

Form of Notice to Stockholders who are Acting as Nominees.¨

Exhibit 99.2 FORM OF LETTER TO NOMINEES WILLIAMS INDUSTRIAL SERVICES GROUP INC. Non-Transferable Subscription Rights to Purchase Shares of Common Stock Offered Pursuant to Subscription Rights Distributed to Stockholders of Williams Industrial Services Group Inc. , 2020 To Brokers, Dealers, Banks and Other Nominees: This letter is being distributed by Williams Industrial Services Group Inc. (the “C

January 17, 2020 EX-4.4

Form of Information Agent Agreement.¨

Exhibit 4.4 [], 2020 Williams Industrial Services Group Inc. 100 Crescent Centre Parkway Tucker, GA 30084 Re: Information Agent This Letter of Agreement, including the Appendix attached hereto (collectively, this “Agreement”), sets forth the terms and conditions of the engagement of Georgeson LLC (“Georgeson”) by Williams Industrial Services Group Inc. (the “Company”) to act as Information Agent i

January 17, 2020 EX-99.1

Form of Notice to Stockholders who are Record Holders.¨

Exhibit 99.1 FORM OF LETTER TO RECORDHOLDERS WILLIAMS INDUSTRIAL SERVICES GROUP INC. Non-Transferable Subscription Rights to Purchase Shares of Common Stock Offered Pursuant to Subscription Rights Distributed to Stockholders of Williams Industrial Services Group Inc. , 2020 Dear Stockholder: This letter is being distributed by Williams Industrial Services Group Inc. (the “Company”) to all holders

January 17, 2020 EX-4.3

Form of Rights Certificate.¨

Exhibit 4.3 NNNNNNNNNNNN . + Rights Agent: Computershare Trust Company, N.A. 150 Royall Street, Suite V Canton, Massachusetts 02021 NNNwwNw.compNutersharNe.com Information Agent: Georgeson LLC Banks, brokers and shareholders call toll-free: (888) 666-2580 MRA SAMPLE DESIGNATION(IFANY) ADD1 ADD 2 ADD 3 ADD 4 ADD 5 ADD 6 NNNNNN C 1234567890J N T 12345678901234 Primary Subscription Rights THIS SUBSCR

January 17, 2020 S-1/A

WLMS / Williams Industrial Services Group Inc. S-1/A - - S-1/A

Use these links to rapidly review the document TABLE OF CONTENTS INDEX TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS OF WILLIAMS INDUSTRIAL SERVICES GROUP INC.

January 17, 2020 EX-99.5

Form of Instructions to Rightsholders.¨

Exhibit 99.5 INSTRUCTIONS AS TO USE OF WILLIAMS INDUSTRIAL SERVICES GROUP INC. SUBSCRIPTION RIGHTS CERTIFICATES Please consult Georgeson LLC, the information agent for the Rights Offering, or your bank or broker as to any questions The following instructions relate to a rights offering (the “Rights Offering”) by Williams Industrial Services Group Inc., a Delaware corporation (the “Company”), to th

January 17, 2020 EX-99.3

Form of Notice to Clients of Stockholders who are Acting as Nominees.¨

Exhibit 99.3 FORM OF LETTER TO CLIENTS WILLIAMS INDUSTRIAL SERVICES GROUP INC. Non-Transferable Subscription Rights to Purchase Shares of Common Stock Offered Pursuant to Subscription Rights Distributed to Stockholders of Williams Industrial Services Group Inc. , 2020 To Our Clients: This letter is being distributed to our clients who are holders of shares of common stock, par value $0.01 per shar

January 15, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 13, 2020 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorpora

January 15, 2020 EX-99.1

Williams Industrial Services Group Increases Revolving Credit Facility to $25 million to Fund Strategic Growth Initiatives

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. · 100 Crescent Centre Parkway, Suite 1240 · Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Increases Revolving Credit Facility to $25 million to Fund Strategic Growth Initiatives ATLANTA, January 15, 2020 — Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a construction

November 19, 2019 SC 13D/A

GLPW / Global Power Equipment Group, Inc. / WYNNEFIELD PARTNERS SMALL CAP VALUE LP - SCHEDULE 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Amendment No. 6) Under the Securities Exchange Act of 1934 WILLIAMS INDUSTRIAL SERVICES GROUP INC. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 37941P306 (CUSIP Number) Wynnefield Partners Small Cap Value, L.P. 450 Seventh Avenue, Suite 509 New York, New York 10123 Attention: Mr

November 14, 2019 EX-10.1

Backstop Agreement, dated as of November 14, 2019, by and between Williams Industrial Services Group Inc. and Wynnefield Capital, Inc., as backstop purchaser

Exhibit 10.1 BACKSTOP AGREEMENT This Backstop Agreement (this “Agreement”), is made and entered into as of the date set forth on the signature page hereto, by and between Williams Industrial Services Group Inc., a Delaware corporation (the “Company”), and Wynnefield Capital, Inc., as backstop purchaser (the “Backstop Purchaser”). WHEREAS, the Company has proposed to distribute, at no charge, to ho

November 14, 2019 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 f8-k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 14, 2019 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Juris

November 14, 2019 EX-99.2

Williams Industrial Services Group Reports Third Quarter 2019 Financial Results

Exhibit 99.2 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Reports Third Quarter 2019 Financial Results · Growth in Canada nuclear projects drove revenue in quarter up 6.3% to $56.9 million · Net loss in quarter improved to $0.3 million from $13.5 million last year; Net inco

November 14, 2019 EX-99.3

Q3 2019 Financial Results November 15, 2019 Tracy Pagliara President and CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of th

Exhibit 99.3 Q3 2019 Financial Results November 15, 2019 Tracy Pagliara President and CEO OTCQX: WLMS Randy Lay SVP & Chief Financial Officer 2 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expectatio

November 14, 2019 EX-99.1

Williams Industrial Services Group Announces Plan for $7 million Rights Offering to Stockholders with Backstop Commitment

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Announces Plan for $7 million Rights Offering to Stockholders with Backstop Commitment ATLANTA, November 14, 2019 – Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a construction

November 14, 2019 EX-10.50

Form of Registration Rights Agreement between the Company and Wynnefield Capital, Inc. (filed as Exhibit A to Backstop Agreement, dated November 14, 2019).**

Exhibit 10.50 BACKSTOP AGREEMENT This Backstop Agreement (this “Agreement”), is made and entered into as of the date set forth on the signature page hereto, by and between Williams Industrial Services Group Inc., a Delaware corporation (the “Company”), and Wynnefield Capital, Inc., as backstop purchaser (the “Backstop Purchaser”). WHEREAS, the Company has proposed to distribute, at no charge, to h

November 14, 2019 S-1

WLMS / Williams Industrial Services Group Inc. S-1 - Registration Statement - S-1

Use these links to rapidly review the document TABLE OF CONTENTS Table of Contents As filed with the Securities and Exchange Commission on November 14, 2019 Registration No.

November 14, 2019 EX-10.2

Employment Agreement, dated September 30, 2019, between the Company and Randall R. Lay (filed as Exhibit 10.2 to our Form 10-Q filed with the Commission on November 14, 2019 and incorporated herein by reference).*

Exhibit 10.2 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (“Agreement”) is effective as of the 30th day of September 2019, between Williams Industrial Services Group Inc. (the “Company”) and Randall R. Lay (“Executive”). In consideration of the mutual covenants contained herein and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties he

November 14, 2019 EX-10.4

Performance-Based Restricted Share Unit Agreement (Inducement Grant), dated September 30, 2019, between the Company and Randall R. Lay (filed as Exhibit 10.4 to our Form 10-Q filed with the Commission on November 14, 2019 and incorporated herein by reference).*

Exhibit 10.4 WILLIAMS INDUSTRIAL SERVICES GROUP INC. PERFORMANCE-BASED RESTRICTED SHARE UNIT AGREEMENT (INDUCEMENT GRANT) Notice of Restricted Share Unit Award As an inducement material to the decision by the grantee listed below (the “Grantee”) to accept employment with Williams Industrial Services Group Inc. (the “Company”), and pursuant to that certain term sheet negotiated by and between the G

November 14, 2019 10-Q

September 30, 2019

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-16501 Will

November 14, 2019 EX-10.3

Time-Based Restricted Share Unit Agreement (Inducement Grant), dated September 30, 2019, between the Company and Randall R. Lay (filed as Exhibit 10.3 to our Form 10-Q filed with the Commission on November 14, 2019 and incorporated herein by reference).*

Exhibit 10.3 WILLIAMS INDUSTRIAL SERVICES GROUP INC. TIME-BASED RESTRICTED SHARE UNIT AGREEMENT (INDUCEMENT GRANT) Notice of Restricted Share Unit Award As an inducement material to the decision by the grantee listed below (the “Grantee”) to accept employment with Williams Industrial Services Group Inc. (the “Company”), and pursuant to that certain term sheet negotiated by and between the Grantee

November 14, 2019 NT 10-Q

WLMS / Williams Industrial Services Group Inc. NT 10-Q - - NT 10-Q

OMB APPROVAL UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING OMB Number: 3235-0058 Expires: February 28, 2022 Estimated average burden hours per response . . . . . . 2.50 SEC FILE NUMBER 001-16501 CUSIP NUMBER 96951A104 (Check one): o Form 10-K o Form 20-F o Form 11-K x Form 10-Q o Form 10-D o Form N-CEN o Form N-CSR For Period Ended:

September 30, 2019 EX-99.1

Williams Industrial Services Group Appoints Randall R. Lay as Chief Financial Officer

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. · 100 Crescent Centre Parkway, Suite 1240 · Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Appoints Randall R. Lay as Chief Financial Officer ATLANTA, September 30, 2019 — Williams Industrial Services Group Inc. (“Williams” or “the Company”) (OTCQX: WLMS), a construction and maintenance services company, a

September 30, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

8-K 1 a19-1919718k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 30, 2019 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Ot

August 14, 2019 EX-99.1

Williams Industrial Services Group Achieves Earnings per Share of $0.07 from Continuing Operations in Second Quarter 2019

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Achieves Earnings per Share of $0.07 from Continuing Operations in Second Quarter 2019 · Execution of growth strategy and nuclear outage work drove revenue up 49.0% to $71.5 million in second quarter 2019 · Generated

August 14, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 14, 2019 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporat

August 14, 2019 EX-99.3

Williams Industrial Services Group Announces Executive Management Promotions

Exhibit 99.3 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Announces Executive Management Promotions ATLANTA, August 14, 2019 – Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a construction and maintenance services company, today announc

August 14, 2019 EX-99.2

Q2 2019 Financial Results August 15, 2019 Tracy Pagliara President, CEO and Interim CFO OTCQX: WLMS 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private

Exhibit 99.2 Q2 2019 Financial Results August 15, 2019 Tracy Pagliara President, CEO and Interim CFO OTCQX: WLMS 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expectations regarding the Company’s abil

August 14, 2019 EX-10.4

Separation Agreement, dated June 24, 2019, between the Company and Timothy M. Howsman (filed as Exhibit 10.4 to our Form 10-Q filed with the Commission on August 14, 2019 and incorporated herein by reference).*

Exhibit 10.4 SEPARATION AGREEMENT This Separation Agreement (this “Agreement”) is made and entered into as of June 24, 2019, by and between Timothy M. Howsman (“Executive”) and Williams Industrial Services Group Inc. (the “Company”). The Company and Executive are sometimes collectively referred to herein as the “Parties” and individually as a “Party.” WHEREAS, Executive and the Company have determ

August 14, 2019 EX-10.3

Form of Cash-Based Performance Award Agreement (2019) (filed as Exhibit 10.3 to our Form 10-Q filed with the Commission on August 14, 2019 and incorporated herein by reference).*

Exhibit 10.3 WILLIAMS INDUSTRIAL SERVICES GROUP INC. CASH-Based Performance AWARD Agreement Notice of Cash-Based Performance Award Williams Industrial Services Group Inc. (the “Company”) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the “Plan”) and this Cash-Based Performance Award Agreement (the “Agreemen

August 14, 2019 EX-10.2

Form of Time-Based Restricted Share Unit Agreement (2019) (filed as Exhibit 10.2 to our Form 10-Q filed with the Commission on August 14, 2019 and incorporated herein by reference).*

Exhibit 10.2 WILLIAMS INDUSTRIAL SERVICES GROUP INC. TIME-BASED RESTRICTED SHARE UNIT AGREEMENT Notice of Restricted Share Unit Award Williams Industrial Services Group Inc. (the “Company”) grants to the Grantee named below, in accordance with the terms of the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan (the “Plan”) and this Time-Based Restricted Share Unit Agreement (the “A

August 14, 2019 10-Q

June 30, 2019

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 or ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-16501 Williams

August 14, 2019 EX-10.5

Employment Agreement, dated August 12, 2019, between the Company and Charles E. Wheelock (filed as Exhibit 10.5 to our Form 10-Q filed with the Commission on August 14, 2019 and incorporated herein by reference).*

Exhibit 10.5 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (“Agreement”) is effective as of the 12th day of August, 2019 (the “Effective Date”), between Williams Industrial Services Group Inc. (the “Company”) and Charles E. Wheelock (“Executive”). In consideration of the mutual covenants contained herein and other good and valuable consideration, the receipt and sufficiency of which are hereby ac

June 26, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 21, 2019 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

June 26, 2019 EX-99.1

Williams Industrial Services Group Announces Chief Financial Officer Retirement

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. · 100 Crescent Centre Parkway, Suite 1240 · Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Announces Chief Financial Officer Retirement ATLANTA, June 26, 2019 — Williams Industrial Services Group Inc. (OTCQX: WLMS) (“Williams” or the “Company”), a construction and maintenance services company, announced to

June 11, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

8-K 1 a19-1139518k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 10, 2019 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other J

June 11, 2019 EX-10.1

2015 Equity Incentive Plan (as amended and restated as of June 10, 2019) (filed as Exhibit 10.1 to our Form 8-K filed with the Commission on June 11, 2019 and incorporated herein by reference).*

Exhibit 10.1 WILLIAMS INDUSTRIAL SERVICES GROUP INC. 2015 EQUITY INCENTIVE PLAN (As Amended and Restated as of June 10, 2019) 1. Establishment, Purpose, Duration. (a) Establishment. Williams Industrial Services Group Inc. (f/k/a Global Power Equipment Group Inc.) (the “Company”), established an equity compensation plan known as the Williams Industrial Services Group Inc. 2015 Equity Incentive Plan

May 15, 2019 EX-99.2

Q1 2019 Financial Results May 16, 2019 Tracy Pagliara President and CEO Tim Howsman Chief Financial Officer OTCQX: WLMS 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set

Exhibit 99.2 Q1 2019 Financial Results May 16, 2019 Tracy Pagliara President and CEO Tim Howsman Chief Financial Officer OTCQX: WLMS 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expectations regardin

May 15, 2019 EX-99.1

Williams Industrial Services Group Reports 17.5% Revenue Growth and Diluted EPS of $0.02 in First Quarter 2019

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Reports 17.5% Revenue Growth and Diluted EPS of $0.02 in First Quarter 2019 · Execution of growth strategy drove first quarter revenue up 17.5% to $50.7 million · Recorded first quarter of earnings in five years; Net

May 15, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 15, 2019 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporation

May 15, 2019 10-Q

March 31, 2019

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 or ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-16501 Williams

May 1, 2019 EX-1.01

Williams Industrial Services Group Inc. For The Year Ended December 31, 2018

Exhibit 1.01 Williams Industrial Services Group Inc. For The Year Ended December 31, 2018 This Conflict Minerals Report (“Report”) of Williams Industrial Services Group Inc. (“we,” “us,” “our,” or the “Company”) for the year ended December 31, 2018 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1934, as amended (the “Rule”). Several terms in this report are defined in

May 1, 2019 SD

WLMS / Williams Industrial Services Group Inc. SD SD

SD 1 a19-92021sd.htm SD OMB APPROVAL OMB Number: 3235-0697 Expires: June 30, 2019 Estimated average burden hours per response....480.61 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD SPECIALIZED DISCLOSURE REPORT Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of I

April 25, 2019 DEF 14A

April 25, 2019

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14

April 1, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 1, 2019 Williams Industrial Services Group Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-16501 73-1541378 (State or Other Jurisdiction of Incorporatio

April 1, 2019 EX-99.1

Williams Industrial Services Group Reports Fourth Quarter and Full Year 2018 Results

Exhibit 99.1 NEWS RELEASE Williams Industrial Services Group Inc. ♦ 100 Crescent Centre Parkway, Suite 1240 ♦ Tucker, GA 30084 FOR IMMEDIATE RELEASE Williams Industrial Services Group Reports Fourth Quarter and Full Year 2018 Results · Resolved short-term growth working capital needs, enabling timely filing of year-end results · Total backlog of $501.6 million, up 48% year-over-year; $173.3 millio

April 1, 2019 EX-99.2

Q4 and Full Year 2018 Financial Results April 2, 2019 Tracy Pagliara President and CEO Tim Howsman Chief Financial Officer OTCQX: WLMS 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning o

Exhibit 99.2 Q4 and Full Year 2018 Financial Results April 2, 2019 Tracy Pagliara President and CEO Tim Howsman Chief Financial Officer OTCQX: WLMS 2 Forward-looking Statement Disclaimer This presentation contains “forward-looking statements” within the meaning of the term set forth in the Private Securities Litigation Reform Act of 1995. The forward-looking statements include statements or expect

April 1, 2019 EX-10.42

Form of Restricted Shares Award Agreement (dated January 22, 2019) (filed as Exhibit 10.42 to our Form 10-K filed with the Commission on April 1, 2019 and incorporated herein by reference).*

Exhibit 10.42 Williams Industrial Services Group Inc. Restricted Shares Award Agreement Notice of Restricted Shares Award Williams Industrial Services Group Inc. (the “Company”) grants to the Grantee named below the following number of restricted shares (the “Restricted Shares”), as of the Date of Grant set forth below (the “Date of Grant”). This grant of Restricted Shares is a stand-alone award,

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