MAMMOTH ENERGY SERVICES, INC.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements include statements regarding our expectations, plans, objectives, strategies, future events, future revenues, future operations, capital expenditures, liquidity, acquisitions, business trends and other statements that are not historical facts. 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.

Forward-looking statements are based on current expectations, estimates and assumptions and are subject to risks and uncertainties, many of which are beyond management's control. As a result, actual outcomes and results may differ materially from those expressed or implied by these forward-looking statements. The forward-looking statements contained in this report speak only as of the date of this report 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. Factors that could cause actual results to differ materially from those expressed or implied by these forward-looking statements include, among others:

•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;

•our ability to execute our business strategy, grow existing operations, integrate acquisitions and identify additional growth opportunities;

•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");

•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 II, Item 1A, "Risk Factors" in this Quarterly Report on Form 10-Q and in our Annual Report on Form 10-K for the year ended December 31, 2025.

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