Williams Industrial Services : Presentation Q2 2022

Q2 2022 Financial Results: August 12, 2022

Tracy Pagliara	Randy Lay
President & CEO	EVP & Chief Operating Officer

Damien Vassall

VP & Chief Financial Officer

NYSE American: WLMS

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 statements include statements or expectations regarding the Company's ability to perform in accordance with guidance, build and diversify its backlog and convert backlog to revenue, realize opportunities, including receiving contract awards on outstanding bids and successfully pursuing future opportunities, benefit from potential growth in the Company's end markets, including from increased infrastructure spending by the U.S. federal government, improve its working capital and bottom-line results, and successfully achieve its growth, strategic and business development initiatives, including decreasing the Company's outstanding indebtedness and expanding margins, future demand for the Company's services, and expectations regarding future revenues, cash flow, and other related matters. These statements reflect the Company's current views of future events and financial performance and are subject to a number of risks and uncertainties, including the Company's level of indebtedness and ability to make payments on, and satisfy the financial and other covenants contained in, its amended debt facilities, as well as its ability to engage in certain transactions and activities due to limitations and covenants contained in such facilities; its ability to generate sufficient cash resources to continue funding operations, including investments in working capital required to support growth-related commitments that it makes to customers, and the possibility that it may be unable to obtain any additional funding as needed or incur losses from operations in the future; exposure to market risks from changes in interest rates; the Company's ability to obtain adequate surety bonding and letters of credit; the Company's ability to maintain effective internal control over financial reporting and disclosure controls and procedures; the Company's ability to attract and retain qualified personnel, skilled workers, and key officers; failure to successfully implement or realize its business strategies, plans and objectives of management, and liquidity, operating and growth initiatives and opportunities, including any expansion into new markets and its ability to identify potential candidates for, and consummate, acquisition, disposition, or investment transactions; the loss of one or more of its significant customers; its competitive position; market outlook and trends in the Company's industry, including the possibility of reduced investment in, or increased regulation of, nuclear power plants, declines in public infrastructure construction, and reductions in government funding; costs exceeding estimates the Company uses to set fixed-price contracts; harm to the Company's reputation or profitability due to, among other things, internal operational issues, poor subcontractor performances or subcontractor insolvency; potential insolvency or financial distress of third parties, including customers and suppliers; the Company's contract backlog and related amounts to be recognized as revenue; its ability to maintain its safety record, the risks of potential liability and adequacy of insurance; adverse changes in the Company's relationships with suppliers, vendors, and subcontractors, including increases in cost, disruption of supply or shortages of labor, freight, equipment or supplies, including as a result of the COVID-19 pandemic; compliance with environmental, health, safety and other related laws and regulations, including those related to climate change; limitations or modifications to U.S. indemnification regulations; the Company's expected financial condition, future cash flows, results of operations and future capital and other expenditures; the impact of unstable market and economic conditions on our business, financial condition and stock price, including inflationary cost pressures, supply chain disruptions and constraints, labor shortages, the effects of the Ukraine-Russia conflict and ongoing impact of COVID-19, and a possible recession; our ability to meet publicly announced guidance or other expectations about our business, key metrics and future operating results; the impact of the COVID-19 pandemic on the Company's business, results of operations, financial condition, and cash flows, including global supply chain disruptions and the potential for additional COVID-19 cases to occur at the Company's active or future job sites, which potentially could impact cost and labor availability; information technology vulnerabilities and cyberattacks on the Company's networks; the Company's failure to comply with applicable laws and regulations, including, but not limited to, those relating to privacy and anti-bribery; the Company's ability to successfully implement its new enterprise resource planning (ERP) system; the Company's participation in multiemployer pension plans; the impact of any disruptions resulting from the expiration of collective bargaining agreements; the impact of natural disasters, which may worsen or increase due to the effects of climate change, and other severe catastrophic events (such as the ongoing COVID-19 pandemic); the impact of corporate citizenship and environmental, social and governance matters; the impact of changes in tax regulations and laws, including future income tax payments and utilization of net operating loss and foreign tax credit carryforwards; volatility of the market price for the Company's common stock; the Company's ability to maintain its stock exchange listing; the effects of anti-takeover provisions in the Company's organizational documents and Delaware law; the impact of future offerings or sales of the Company's common stock on the market price of such stock; expected outcomes of legal or regulatory proceedings (whether claims made by or against Company) and their anticipated effects on the Company's results of operations; and any other statements regarding future growth, future cash needs, future operations, business plans and future financial results.

Other important factors that may cause actual results to differ materially from those expressed in the forward-looking statements are discussed in the Company's filings with the U.S. Securities and Exchange Commission, including the section of the Annual Report on Form 10-K for its 2021 fiscal year titled "Risk Factors." Any forward-lookingstatement speaks only as of the date of this presentation. Except as may be required by applicable law, the Company undertakes no obligation to publicly update or revise any forward-lookingstatements, whether as a result of new information, future events or otherwise, and you are cautioned not to rely upon them unduly.

Non-GAAP Financial Measures

This presentation will discuss some non-GAAP financial measures, which the Company believes are useful in evaluating its performance. You should not consider the presentation of this additional information in isolation or as a substitute for results prepared in accordance with GAAP. The Company has provided reconciliations of comparable GAAP to non-GAAP measures in tables found on the slides following the "Supplemental Information" slide of this presentation.

Note: Unless otherwise noted, all discussion is based upon continuing operations.	2

Q2-2022 Highlights

2022 Q2 revenue of $56.1 million versus $91.6 million in prior-year period, reflecting delayed work, lost customer contracts and non- outage year for nuclear utility

Gross margin of 4.1% for the quarter (including Florida overhang and startup-costs at T&D business) versus 10.2% in 2021 second quarter

Operating expenses of $6.7 million for Q2 versus $6.6 million in the prior- year period

Adjusted EBITDA(1) of $(3.2) million versus $4.9 million last year

Backlog

1. • Ended quarter with backlog of $234.3 million
   • Scope assessments slowed awards in Q2
   • Current pipeline approximately $400 million
2. Adjusted EBITDA is a non-GAAP financial measure. Please see supplemental slides for a reconciliation of GAAP to non-GAAP financial results.

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FY2022 Outlook

• Revenue growth expected to pick up in second half
• Infrastructure Investment and Jobs Act to drive higher growth in fiscal 2023
• Additional investment by utilities and municipalities
• Inflation Reduction Act offers further avenues for growth

$234.3 M Backlog

June 30, 2022

Fossil

3%Industrial / Water / Other

13%

Energy Delivery

13%

US Nuclear

50%

Fuel Storage /

Decommissioning

21%

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Revenue Review

$ Millions

$91.6

$79.2

$73.4$69.6

$56.1

2Q 2021 3Q 2021 4Q 2021 1Q 2022 2Q 2022

Second Quarter Revenue Bridge

(in millions)			$ Change
Second quarter 2021 revenue		$	91.6
U.S. Nuclear			(20.2)
Decommissioning			(11.5)
Canada Nuclear			(9.9)
Water			4.0
Transmission and Distribution			1.6
Other			0.5
Total change			(35.5)
Second quarter 2022 revenue*		$	56.1

*Numbers may not sum due to rounding

End Market Revenue

2Q-2022

Industrial / Water / Other

22%

Fossil 14%

US Nuclear

48%

Energy Delivery

11%

Fuel Storage /

Decommissioning

5%

Vogtle 3 & 4

2022 2Q revenue:

$15.4 million

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