MAMMOTH ENERGY SERVICES, INC.

Forward-Looking Statements and Cautionary Statements

This news release (and any oral statements made regarding the subjects of this release, including on the conference call announced herein) contains certain statements and information that may constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical facts that address activities, events or developments that Mammoth expects, believes or anticipates will or may occur in the future are forward-looking statements. Forward-looking statements may be identified by words such as “may,” “will,” “could,” “should,” “expect,” “anticipate,” “plan,” “intend,” “believe,” “estimate,” “project,” “forecast,” “target,” “continue,” “potential,” or similar expressions, and the negative thereof. Without limiting the generality of the foregoing, forward-looking statements contained in this news release specifically include statements, estimates and projections regarding the Company’s expectations, plans, objectives, strategies, business outlook, future financial position, liquidity and capital resources, operations, performance, acquisitions, returns, capital expenditure budgets, plans for stock repurchases under its stock repurchase program, business trends, costs and other guidance regarding future developments. Forward-looking statements are not assurances of future performance. Forward-looking statements include, without limitation, the Company's 2026 and 2027 outlook, including expected revenue growth, Adjusted EBITDA, Adjusted EBITDA margins, aviation utilization, acquisitions, capital expenditures and other financial guidance, as well as the expected use of proceeds of the term loans, the availability and timing of advances under the facility and the Company's plans to acquire additional aircraft and grow its aviation leasing platform.

These forward-looking statements are based on management’s current expectations and beliefs, forecasts for the Company’s existing operations, experience and perception of historical trends, current conditions, anticipated future developments and their effect on Mammoth, and other factors believed to be appropriate. Although management believes that the expectations and assumptions reflected in these forward-looking statements are reasonable as and when made, no assurance can be given that these assumptions are accurate or that any of these expectations will be achieved (in full or at all). Forward-looking statements are subject to risks and uncertainties, many of which are beyond our control. As a result, actual outcomes and results may differ materially from those expressed or implied by these forward-looking statements. Factors that could cause actual results to differ materially from those expressed or implied by these forward-looking statements include, among others:

•our ability to comply with the financial covenants and other terms of the loan and security agreement and our revolving credit facility;

•changes in interest rates and their impact on our cost of capital;

•the impact of the divestiture of our subsidiaries 5 Star Electric, LLC, Higher Power Electrical, LLC, Python Equipment LLC and Aquawolf LLC, and the equipment previously used in our hydraulic fracturing business;

•general economic, financial and industry conditions, including inflation, commodity price volatility and fluctuations in customer spending and capital expenditure activity;

•conditions in the energy, infrastructure, aviation, rental equipment and natural sand proppant markets that affect demand for our services and products;

•fluctuations in the value of our marketable securities portfolio and the impact of unrealized gains and losses on our reported financial results;

•our ability to execute our business strategy, successfully integrate acquired businesses, realize anticipated acquisition benefits, grow existing operations and identify additional growth opportunities;

•our ability to successfully deploy capital into aviation assets, achieve expected utilization levels and realize anticipated returns on aviation-related investments;

•the availability and cost of labor, equipment, materials, replacement parts and other operational resources;

•customer concentration, customer payment risks and our ability to collect outstanding receivables, including the timing and collectability of amounts owed by the Puerto Rico Electric Power Authority (“PREPA”);

•the adequacy of our capital resources and liquidity;

•governmental actions, regulations, permitting requirements, trade policies, tariffs and other legal or regulatory developments;

•litigation, claims, investigations and other contingent liabilities;

•weather events, natural disasters, acts of war, terrorism, civil unrest, cybersecurity incidents and other events beyond our control; and

•the other risks and uncertainties described under Part I, Item 1A, “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2025, filed with the SEC on March 6, 2026, as updated by Part II, Item 1A, “Risk Factors” in our subsequent Quarterly Reports on Form 10-Q, and in our Current Reports on Form 8-K and other filings we make with the SEC, which are available on the SEC’s website at www.sec.gov and on Mammoth’s website at www.ir.mammothenergy.com.

The forward-looking statements contained in this news release speak only as of the date of this news release or, if earlier, as of the date they were made, and are based on information available to us as of that date. Except as required by applicable law, we undertake no obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, and readers are cautioned not to place undue reliance on these forward-looking statements.