STOCK TITAN

Mammoth Energy Q3 2026 revenue rises 95% to $21.3M

The revised 2026 outlook expects revenue growth to exceed 90% and mid-teens Adjusted EBITDA margins; 2027 Adjusted EBITDA is expected to rise more than 40%.

(High)

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

Form Type
8-K

Rhea-AI Filing Summary

Mammoth Energy Services, Inc. reported third-quarter 2026 revenue of $21.3 million, up 95% year over year from $10.9 million. Net income from continuing operations was $0.3 million, versus a $12.6 million loss in the third quarter of 2025 and a $1.2 million loss in the second quarter of 2026. Adjusted EBITDA from continuing operations was $5.8 million, versus a $4.8 million loss in the third quarter of 2025 and $2.6 million in the second quarter of 2026; its margin was 27.2%, versus 10.0% in the second quarter.

Mammoth raised its 2026 outlook for the third time, expecting revenue growth to exceed 90% and an Adjusted EBITDA margin in the mid-teens. Its initial 2027 outlook calls for Adjusted EBITDA to increase more than 40% versus full-year 2026, assuming continued deployment of the existing aviation fleet and incremental contributions from aviation investments. As of September 30, 2026, cash and marketable securities totaled $37.6 million; the revolving credit facility was undrawn with $20.0 million of borrowing capacity after $5.0 million of letters of credit. On October 28, 2026, Mammoth entered a senior secured term loan facility with Bank7 providing aggregate commitments of up to $58.0 million.

3 points · 1 major

How this balance works

Rhea-AI gives every point it takes from this document a weight. Minor counts 1, Moderate 3 and Major 9, so one Major point outweighs several Minor ones. The bar adds up the weights on each side, and when neither side holds more than 65% of the total the balance reads Mixed.

It reads the document as published, with the same rules for every company, and it does not look at what the market expected or at how the stock traded, so a point can be objectively good on a day the stock falls.

Rhea-AI Sentiment measures something else, the tone of the wording.

0 major · 1 point

Hollow bars mark forward-looking points. How the balance works

Positive

  • Major point. Forward-looking: it has not happened yet and may not happen.2026 outlook: revenue growth is expected to exceed 90%, with an Adjusted EBITDA margin in the mid-teens.
  • Moderate pointRevenue rose 95% year over year to $21.3 million.
  • Moderate pointContinuing-operations net income was $0.3 million, versus a $12.6 million loss a year earlier.

Negative

  • Moderate pointSequential revenue fell to $21.3 million from $26.1 million in Q2 2026.

Filing Explained

On October twenty-seventh, Mammoth reported twenty-seven point five million dollars in cash and securities; the next day's up-to-fifty-eight-million-dollar commitment is not reported as cash received.

On October 28, 2026, Mammoth entered a senior secured term-loan facility with commitments of up to $58.0 million; the filing reports a financing commitment, not an amount borrowed.

As of October 27, 2026, cash, cash equivalents and marketable securities totaled $27.5 million, compared with $37.6 million at September 30. Mammoth also reported no borrowings under its revolving facility and $20.0 million of available capacity after $5.0 million in letters of credit as of October 27.

Item 2.02 Results of Operations and Financial Condition Financial
Disclosure of earnings results, typically an earnings press release or preliminary financials.
Item 7.01 Regulation FD Disclosure Disclosure
Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Revenue $21.3 million Third quarter 2026; up 95% year over year from $10.9 million.
Net income from continuing operations $0.3 million Third quarter 2026; compared with a $12.6 million loss in third quarter 2025.
Adjusted EBITDA from continuing operations $5.8 million Third quarter 2026; compared with a $4.8 million loss in third quarter 2025.
Adjusted EBITDA margin 27.2% Third quarter 2026; compared with 10.0% in second quarter 2026.
Cash and marketable securities $37.6 million As of September 30, 2026.
Term loan facility commitments Up to $58.0 million Facility entered into on October 28, 2026.
Capital expenditures $41.8 million Third quarter 2026.
Net cash used in operating activities $9.9 million First nine months of 2026, compared with $9.1 million in the first nine months of 2025.
Adjusted EBITDA financial
"Adjusted EBITDA from continuing operations was $5.8 million"
Adjusted EBITDA is a way companies measure how much money they make from their core operations, like running a business, by removing certain costs or income that aren’t part of regular business activities. It helps investors see how well a company is doing without distractions from unusual expenses or gains, making it easier to compare companies or track performance over time.
marketable securities financial
"cash, cash equivalents and marketable securities of $37.6 million"
Marketable securities are financial assets — such as publicly traded stocks, bonds, and short-term government bills — that a company can quickly sell for cash at a known price. Investors watch them because they show how much ready cash a company can access without selling core operations, like keeping money in a highly liquid savings account versus being tied up in a house, and they affect short-term risk, financial flexibility, and balance-sheet strength.
letters of credit financial
"after giving effect to $5.0 million of outstanding letters of credit"
A letter of credit is a promise from a bank to pay a seller if the buyer fails to do so, commonly used in trade and large contracts to ensure payment. Think of it as a bank standing in for the buyer, like a certified check or payment insurance that reduces the risk of nonpayment. For investors, letters of credit matter because they affect a company’s cash flow, borrowing needs and contingent liabilities, and signal how much credit support a business requires to secure deals.
senior secured term loan facility financial
"entered into a senior secured term loan facility with Bank7"
A senior secured term loan facility is a type of borrowed money that a company takes out, which is backed by its valuable assets like property or equipment. Because it is secured by these assets and ranks higher in repayment priority, it is considered safer for lenders and typically offers lower interest rates. For investors, it provides a relatively stable and priority claim on the company's assets if it encounters financial difficulties.
Revenue $21.3 million Increased 95% year over year from $10.9 million.
Net income from continuing operations $0.3 million Compared with a $12.6 million loss in the third quarter of 2025 and a $1.2 million loss in the second quarter of 2026.
Adjusted EBITDA from continuing operations $5.8 million Compared with a $4.8 million loss in the third quarter of 2025 and $2.6 million in the second quarter of 2026.
Adjusted EBITDA margin 27.2% Compared with 10.0% in the second quarter of 2026.
Guidance

For 2026, revenue growth is expected to exceed 90% and Adjusted EBITDA margin is expected in the mid-teens. Initial 2027 outlook expects Adjusted EBITDA to increase more than 40% compared with full-year 2026.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many of TUSK's aviation assets were revenue-producing?

Mammoth had 29 revenue-producing assets out of 44 aviation assets as of September 30, 2026. The 44 assets included 14 aircraft, 14 engines and 16 auxiliary power units. The revenue-producing count was 23 of 38 assets as of June 30, 2026.

How much sand did TUSK sell in the third quarter of 2026?

Mammoth sold approximately 228,000 tons of sand at an average price of $22.18 per ton in the third quarter of 2026. In the third quarter of 2025, it sold approximately 122,000 tons at an average price of $18.26 per ton.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR Accepted by SEC EDGAR Learn about SEC filing dates
0001679268FALSE00016792682026-10-302026-10-30



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 30, 2026
 
Mammoth Energy Services, Inc.

(Exact name of registrant as specified in its charter)

001-37917
(Commission File No.)
Delaware32-0498321
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
14201 Caliber Drive,Suite 300
Oklahoma City,Oklahoma(405)608-600773134
(Address of principal executive offices)(Registrant’s telephone number, including area code)(Zip Code)
______________________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of The Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common StockTUSKThe Nasdaq Stock Market LLC
NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§232.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging Growth Company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(s) of the Exchange Act.  ¨






Item 2.02 Results of Operations and Financial Condition

On October 30, 2026, Mammoth Energy Services, Inc. (the “Company”) issued a press release announcing its operational and financial results for the third quarter ended September 30, 2026. A copy of that press release is furnished as Exhibit 99.1 to this report.

The information in this Item 2.02, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and will not be incorporated by reference into any registration statement filed under the Securities Act of 1933, as amended, unless specifically identified as being incorporated by reference in the registration statement.

Item 7.01 Regulation FD Disclosure

On October 30, 2026, the Company posted an investor presentation to the “investors” section of its website (www.mammothenergy.com), where the Company routinely posts announcements, updates, events, investor information and presentations and recent news releases. Information on the Company's website does not constitute part of this Current Report on Form 8-K.

The information in this Item 7.01 shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and will not be incorporated by reference into any registration statement filed under the Securities Act of 1933, as amended, unless specifically identified as being incorporated by reference in the registration statement.

Item 9.01 Financial Statements and Exhibits.

(d)    Exhibits.

99.1
Press release dated October 30, 2026, entitled “Mammoth Reports Third Quarter 2026 Operational and Financial Results.”
104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.





Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
MAMMOTH ENERGY SERVICES, INC.
Date:
October 30, 2026
By:/s/ Mark Layton
Mark Layton
Chief Financial Officer and Secretary







Exhibit 99.1

imagea.jpg


Mammoth Reports Third Quarter 2026 Operational and Financial Results
Raises Full-Year 2026 Outlook


Third Quarter 2026 Highlights:
•Revenue increased 95% year-over-year to $21.3 million
•Net income from continuing operations was $0.3 million, compared with net losses from continuing operations of $12.6 million in the third quarter of 2025 and $1.2 million in the second quarter of 2026
•Adjusted EBITDA more than doubled from the second quarter of 2026 to $5.8 million
•Adjusted EBITDA margin of 27.2%, up from 10.0% in the second quarter; 15.0% for the first nine months
•Rental services segment Adjusted EBITDA increased 35% sequentially to $5.0 million
•Expanded our aviation portfolio to 44 assets, including 14 aircraft, 14 engines and 16 auxiliary power units, up from 15 at the end of the prior-year period
•29 of 44 aviation assets were revenue-producing as of September 30, 2026, up from 23 of 38 as of June 30, 2026
•No funded debt; $37.6 million of cash and marketable securities; $41.8 million invested, led by aviation
•Subsequent to quarter-end, entered into a term loan facility providing commitments of up to $58.0 million to support aviation growth
Updated 2026 Outlook:
•Revenue growth expected to exceed 90%
•Adjusted EBITDA margin expected to be in the mid-teens
•Increased full-year 2026 outlook for the third time this year

Initial 2027 Outlook:
Adjusted EBITDA expected to increase by more than 40% compared with full-year 2026 Adjusted EBITDA
The 2027 outlook assumes continued deployment of the Company’s existing aviation fleet, incremental contributions from aviation investments and continued operating improvement across the Company’s portfolio and does not assume material aviation asset sales.

The Company is unable to provide a reconciliation of its forward-looking Adjusted EBITDA to the most directly comparable GAAP measure because certain components necessary to provide such a reconciliation are not available without unreasonable effort. These components may include, among other items, changes in marketable securities, gains or losses on asset dispositions, income taxes and other items that could have a significant impact on the Company’s GAAP results.




OKLAHOMA CITY, OK – October 30, 2026 – Mammoth Energy Services, Inc. (NASDAQ: TUSK) (“Mammoth” or the “Company”) today reported financial and operational results for the third quarter ended September 30, 2026.

Total revenue from continuing operations was $21.3 million for the third quarter of 2026 compared to $10.9 million for the third quarter of 2025 and $26.1 million for the second quarter of 2026.

Net income from continuing operations for the third quarter of 2026 was $0.3 million, or $0.01 per diluted share, compared to net loss from continuing operations of $12.6 million, or $0.26 per diluted share, for the third quarter of 2025 and net loss from continuing operations of $1.2 million, or $0.02 per diluted share, in the second quarter of 2026.

Adjusted EBITDA from continuing operations ("Adjusted EBITDA" as defined and reconciled in the tables below) was $5.8 million for the third quarter of 2026, compared to ($4.8) million for the third quarter of 2025 and $2.6 million for the second quarter of 2026.

Mark Layton, Chief Financial Officer of Mammoth commented, “This was an outstanding quarter for Mammoth and a clear demonstration of our focus on driving returns. Revenue nearly doubled year over year to $21.3 million. Adjusted EBITDA more than doubled sequentially to $5.8 million, and our Adjusted EBITDA margin expanded to 27% from 10% in the second quarter. Growth in aviation leasing, positive Adjusted EBITDA in Sand and higher occupancy in Accommodations drove the increase.

With an Adjusted EBITDA margin of 15% through the first nine months, we are raising our full-year 2026 outlook for the third time this year. We now expect Adjusted EBITDA margins in the mid-teens, roughly a year ahead of the plan we laid out in March, and we are reaffirming our outlook for revenue growth of greater than 90%.

Aviation remains our priority for capital deployment based on its returns profile. We invested $41.8 million in the quarter, led by aviation. The growth in aviation leasing assets enhances our recurring revenue profile while requiring comparatively modest incremental operating personnel as additional assets are deployed. As we look ahead to 2027, we currently expect Adjusted EBITDA to increase by more than 40% compared with full-year 2026 Adjusted EBITDA, driven primarily by the growing contribution from our aviation leasing platform and continued focus on operating execution and margin improvement.”

Results by Reportable Segments

Rental Services and Aviation Sales
Mammoth’s rental services segment contributed revenue (inclusive of inter-segment revenue) of $9.6 million for the third quarter of 2026 compared to $2.8 million for the third quarter of 2025 and $10.2 million for the second quarter of 2026. The increase in revenue compared to the prior year was primarily driven by a $5.4 million increase due to aviation fleet expansion and higher aviation utilization. The average number of pieces of equipment rented to customers was 430 for the third quarter of 2026 compared to 286 during the third quarter of 2025 and 407 during the second quarter of 2026.

Natural Sand Proppant Services
Mammoth’s natural sand proppant services segment contributed revenue of $5.2 million for the third quarter of 2026 compared to $2.7 million for the third quarter of 2025 and $8.0 million for the second quarter of 2026. The decrease in revenue from the second quarter of 2026 was due to a $3.0 million decline in freight revenue. In the third quarter of 2026, the Company sold approximately 228,000 tons of sand at an average sales price of $22.18 per ton compared to sales of approximately 122,000 tons of sand at an average sales price of $18.26 per ton during the third quarter of 2025. Average price per ton of sand sold increased primarily due to a shift in grade mix. In the second quarter of 2026, sales were approximately 229,000 tons of sand at an average price of $21.36 per ton.

2


Accommodation Services
Mammoth’s accommodation services segment contributed revenue of $3.4 million for the third quarter of 2026 compared to $2.3 million for the third quarter of 2025 and $3.2 million for the second quarter of 2026. On average, 270 rooms were utilized for the third quarter of 2026 compared to 185 during the third quarter of 2025 and 259 during the second quarter of 2026 within the accommodation services segment.

Infrastructure Services
Mammoth’s infrastructure services segment contributed revenue of $1.1 million for the third quarter of 2026 compared to $0.8 million for the third quarter of 2025 and $0.9 million for the second quarter of 2026.

Drilling Services
Mammoth’s drilling services segment contributed revenue of $2.1 million for the third quarter of 2026 compared to $2.3 million for the third quarter of 2025 and $3.8 million for the second quarter of 2026. Drilling utilization and activity levels decreased sequentially, largely reflecting normal seasonal trends.

Segment Performance
Segment performance improved during the quarter, led by Rental Services, Natural Sand Proppant Services and Accommodation Services, which generated Adjusted EBITDA of $5.0 million, $1.5 million and $1.1 million, respectively.

Selling, General and Administrative Expense
Selling, general and administrative (“SG&A”) expense was $4.1 million for the third quarter of 2026 compared to $4.7 million for the third quarter of 2025 and $4.2 million for the second quarter of 2026.
Liquidity
As of September 30, 2026, Mammoth had unrestricted cash and cash equivalents on hand of $13.1 million and marketable securities of $24.5 million. As of September 30, 2026, the Company’s revolving credit facility was undrawn, and there was $20.0 million of available borrowing capacity under the revolving credit facility, after giving effect to $5.0 million of outstanding letters of credit. As of September 30, 2026, Mammoth had cash, cash equivalents and marketable securities of $37.6 million.
As of October 27, 2026, Mammoth had unrestricted cash on hand of $11.6 million and marketable securities of $15.9 million, with no outstanding borrowings under its revolving credit facility. As of October 27, 2026, the Company had $20.0 million of available borrowing capacity, after giving effect to $5.0 million of outstanding letters of credit. As of October 27, 2026, Mammoth had cash, cash equivalents and marketable securities of $27.5 million. On October 28, 2026, we entered into a senior secured term loan facility with Bank7 providing for aggregate commitments of up to $58.0 million.

Capital Expenditures
The following table summarizes Mammoth’s capital expenditures from continuing operations by segment for the periods indicated (in thousands):
Three Months EndedNine Months Ended
September 30,June 30,September 30,
20262025202620262025
Rental services(a)
$40,079 $17,185 $41,213 $90,663 $44,125 
Infrastructure services(b)
— 19 900 2,835 129 
Natural sand proppant services(c)
1,154 — 1,001 2,390 93 
Accommodation services(c)
135 95 158 494 170 
Drilling services(c)
440 — 691 1,131 116 
Total capital expenditures$41,808 $17,299 $43,963 $97,513 $44,633 
(a)Capital expenditures primarily for expansion of our aviation rental fleet and equipment rental purchases for the periods presented.
(b)Capital expenditures primarily for our fiber optic fleets for the periods presented.
(c)Capital expenditures primarily for equipment for the periods presented.
3



Conference Call Information
Mammoth will host a conference call on Friday, October 30, 2026 at 10:00 a.m. Central time (11:00 a.m. Eastern time) to discuss its third quarter financial and operational results. The telephone number to access the conference call is 1-201-389-0872. The conference call will also be webcast live on https://ir.mammothenergy.com/events-presentations. Please submit any questions for management prior to the call via email to TUSK@vizaraadvisors.com.

About Mammoth Energy Services, Inc.
Mammoth Energy Services, Inc. (NASDAQ: TUSK) is a growth-oriented company centered on an expanding aviation leasing platform. Through its rental services segment, Mammoth leases and sells aviation assets and rents heavy equipment used in construction and energy operations. The Company also provides fiber optic services to utility customers; natural sand proppant for hydraulic fracturing; workforce accommodations for projects in remote locations; and directional drilling services. For more information, please visit www.mammothenergy.com.

Contacts:
Mark Layton, CFO
Mammoth Energy Services, Inc
investors@mammothenergy.com

Mohammed Topiwala
Vizara Advisors - Investor Relations
TUSK@vizaraadvisors.com

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;
4


•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.
5

MAMMOTH ENERGY SERVICES, INC.
CONSOLIDATED BALANCE SHEETS
(unaudited)

ASSETSSeptember 30,December 31,
20262025
CURRENT ASSETS(in thousands, except share data)
Cash and cash equivalents$13,090 $101,987 
Marketable securities24,496 19,635 
Restricted cash11,928 12,085 
Accounts receivable, net38,583 28,934 
Inventories14,760 4,083 
Current assets held for sale2,227 4,287 
Other current assets2,363 4,619 
Current assets of discontinued operations1,297 1,518 
Total current assets108,744 177,148 
Property, plant and equipment, net184,344 106,097 
Sand reserves, net38,424 39,613 
Operating lease right-of-use assets3,504 2,591 
Goodwill1,147 — 
Other non-current assets5,454 5,767 
Noncurrent assets of discontinued operations6 3,678 
Total assets$341,623 $334,894 
LIABILITIES AND EQUITY
CURRENT LIABILITIES
Accounts payable$7,934 $9,327 
Accrued expenses and other current liabilities19,240 18,336 
Current operating lease liabilities2,584 2,071 
Income taxes payable42,346 39,899 
Current liabilities of discontinued operations185 383 
Total current liabilities72,289 70,016 
Deferred income tax liabilities2,447 2,430 
Long-term operating lease liabilities1,214 1,375 
Asset retirement obligations2,803 2,759 
Other long-term liabilities303 26 
Total liabilities79,056 76,606 
COMMITMENTS AND CONTINGENCIES
EQUITY
Equity:
Common stock, $0.01 par value, 200,000,000 shares authorized, 48,127,585 and 48,358,315 issued and outstanding at September 30, 2026 and December 31, 2025, respectively
481 483 
Additional paid-in capital540,848 540,841 
Accumulated deficit(274,493)(279,046)
Accumulated other comprehensive loss(4,269)(3,990)
Total equity262,567 258,288 
Total liabilities and equity$341,623 $334,894 


6

MAMMOTH ENERGY SERVICES, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)
(unaudited)


Three Months EndedNine Months Ended
September 30,June 30,September 30,
20262025202620262025
(in thousands, except per share amounts)
REVENUE
Services revenue$15,520 $7,608 $15,882 $42,572 $18,824 
Services revenue - related parties672 516 197 1,365 1,168 
Product revenue5,154 2,728 9,975 25,493 14,843 
Total revenue21,346 10,852 26,054 69,430 34,835 
COST, EXPENSES AND GAINS
Services cost of revenue (exclusive of depreciation, depletion, amortization and accretion of $5,169, $1,488, $3,958, $12,168 and $4,109 for the three months ended September 30, 2026, September 30, 2025, and June 30, 2026 and nine months ended September 30, 2026 and 2025, respectively)
8,408 6,641 9,488 24,150 16,879 
Services cost of revenue - related parties— 96 — — 288 
Product cost of revenue (exclusive of depreciation, depletion, amortization and accretion of $1,388, $1,263, $676, $2,493 and $3,552 for the three months ended September 30, 2026, September 30, 2025, and June 30, 2026 and nine months ended September 30, 2026 and 2025, respectively)
2,980 4,148 9,713 22,946 14,886 
Selling, general and administrative4,134 4,749 4,232 11,962 13,823 
Depreciation, depletion, amortization and accretion6,557 2,751 4,634 14,661 7,661 
(Gains) loss on disposal of assets, net(312)1,874 (4,641)(5,628)(2,675)
Impairment of long-lived assets— — — — 31,669 
Total cost, expenses and gains, net21,767 20,259 23,426 68,091 82,531 
Operating (loss) income(421)(9,407)2,628 1,339 (47,696)
OTHER INCOME (EXPENSE)
Interest income (expense), net211 729 (784)(59)1,112 
Gain (loss) on marketable securities, net1,173 73 (1,116)7,161 73 
Other expense, net(533)(1,903)(73)(1,214)(2,863)
Total other income (expense), net851 (1,101)(1,973)5,888 (1,678)
Income (loss) before income taxes430 (10,508)655 7,227 (49,374)
Provision for income taxes136 2,140 1,853 3,444 2,044 
Net income (loss) from continuing operations294 (12,648)(1,198)3,783 (51,418)
Net (loss) income from discontinued operations, net of income taxes(168)33 438 770 47,114 
Net income (loss)$126 $(12,615)$(760)$4,553 $(4,304)
OTHER COMPREHENSIVE INCOME (LOSS)
Foreign currency translation adjustment$52 $(180)$(213)$(279)$317 
Other comprehensive income (loss)52 (180)(213)(279)317 
Comprehensive income (loss)$178 $(12,795)$(973)$4,274 $(3,987)
Net income (loss) per share from continuing operations, basic and diluted$0.01 $(0.26)$(0.02)$0.08 $(1.07)
Net income per share from discontinued operations, basic and diluted— — 0.01 0.02 0.98 
Net income (loss) per share, basic and diluted$0.01 $(0.26)$(0.01)$0.10 $(0.09)
Weighted average number of shares outstanding, basic and diluted48,128 48,358 48,164 48,207 48,245 

7

MAMMOTH ENERGY SERVICES, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(unaudited)

Nine Months Ended
September 30,
20262025
(in thousands)
Cash flows from operating activities:
Net income (loss)$4,553 $(4,304)
Less: Net income from discontinued operations, net of income taxes770 47,114 
Net income (loss) from continuing operations3,783 (51,418)
Adjustments to reconcile net income (loss) from continuing operations to net cash used in operating activities:
Stock based compensation— 412 
Depreciation, depletion, amortization and accretion14,661 7,661 
Amortization of debt origination costs1,488 531 
Gains on disposal of assets, net(5,628)(2,675)
Gains from sale of aviation equipment(700)— 
Gains from sales of equipment damaged or lost down-hole(230)(217)
Impairment of long-lived assets— 31,669 
Gain on marketable securities, net(7,161)(73)
Other931 199 
Changes in assets and liabilities:
Accounts receivable, net(8,554)1,321 
Inventories(10,677)(70)
Other current assets1,238 6,460 
Accounts payable(1,949)(1,105)
Accrued expenses and other liabilities469 (8,920)
Income taxes payable2,466 2,066 
Net cash used in operating activities from continuing operations(9,863)(14,159)
Net cash (used in) provided by operating activities from discontinued operations(70)5,076 
Net cash used in operating activities(9,933)(9,083)
Cash flows from investing activities:
Purchases of property, plant and equipment(97,513)(44,633)
Business acquisitions, net of cash transferred(5,805)— 
Proceeds from disposal of property, plant and equipment9,566 5,465 
Proceeds from sale of aviation equipment8,500 — 
Purchases of marketable securities(7,929)(12,660)
Distributions received from publicly traded limited partnerships1,001 — 
Proceeds from sale of marketable securities9,228 — 
Net cash used in investing activities from continuing operations(82,952)(51,828)
Net cash provided by investing activities from discontinued operations4,581 110,421 
Net cash (used in) provided by investing activities(78,371)58,593 
Cash flows from financing activities:
Principal payments on finance leases and equipment financing notes(199)(371)
Common stock repurchased and retired(534)— 
Net cash used in financing activities from continuing operations(733)(371)
Net cash used in financing activities from discontinued operations— (3,851)
Net cash used in financing activities(733)(4,222)
Effect of foreign exchange rate on cash(39)73 
Net (decrease) increase in cash, cash equivalents and restricted cash(89,076)45,361 
Cash, cash equivalents and restricted cash at beginning of period114,124 82,326 
Cash, cash equivalents and restricted cash at end of period25,048 127,687 
Less: Cash, cash equivalents and restricted cash of discontinued operations at end of period30 59 
Cash, cash equivalents and restricted cash of continuing operations$25,018 $127,628 

8

MAMMOTH ENERGY SERVICES, INC.
SEGMENT INFORMATION
(in thousands)
Three Months Ended September 30, 2026RentalsInfrastructureSandAccommodationsDrillingCorporate, Other & EliminationsTotal
Revenue from external and related party customers$9,625 $1,120 $5,154 $3,390 $2,057 $— $21,346 
Intersegment revenue21 — — — — (21)— 
Total revenue9,646 1,120 5,154 3,390 2,057 (21)21,346 
Less expenses:
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion2,652 1,735 2,980 2,043 1,880 98 11,388 
Selling, general and administrative, exclusive of stock based compensation2,027 322 647 278 205 655 4,134 
Adjusted EBITDA$4,967 $(937)$1,527 $1,069 $(28)$(774)$5,824 
Three Months Ended September 30, 2025RentalsInfrastructureSandAccommodationsDrillingCorporate, Other & EliminationsTotal
Revenue from external and related party customers$2,750 $812 $2,728 $2,280 $2,282 $— $10,852 
Intersegment revenue16 — — — — (16)— 
Total revenue2,766 812 2,728 2,280 2,282 (16)10,852 
Less expenses:
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion, inclusive of related parties1,691 1,579 4,148 1,436 1,840 191 10,885 
Selling, general and administrative, exclusive of stock based compensation997 294 1,157 483 308 1,510 4,749 
Adjusted EBITDA$78 $(1,061)$(2,577)$361 $134 $(1,717)$(4,782)

Three Months Ended June 30, 2026RentalsInfrastructureSandAccommodationsDrillingCorporate, Other & EliminationsTotal
Revenue from external and related party customers$10,115 $940 $7,975 $3,202 $3,822 $— $26,054 
Intersegment revenue108 — — — — (108)— 
Total revenue10,223 940 7,975 3,202 3,822 (108)26,054 
Less expenses:
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion4,722 1,540 7,713 2,118 2,972 136 19,201 
Selling, general and administrative, exclusive of stock based compensation1,775 290 685 288 230 964 4,232 
Adjusted EBITDA$3,726 $(890)$(423)$796 $620 $(1,208)$2,621 

9

MAMMOTH ENERGY SERVICES, INC.
SEGMENT INFORMATION
(in thousands)

Nine Months Ended September 30, 2026RentalsInfrastructureSandAccommodationsDrillingCorporate, Other & EliminationsTotal
Revenue from external and related party customers$32,673 $2,328 $16,993 $10,134 $7,302 $— $69,430 
Intersegment revenue161 — — — — (161)— 
Total revenue32,834 2,328 16,993 10,134 7,302 (161)69,430 
Less expenses:
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion15,435 3,786 15,146 6,299 6,044 386 47,096 
Selling, general and administrative, exclusive of stock based compensation5,070 797 2,185 898 687 2,325 11,962 
Adjusted EBITDA$12,329 $(2,255)$(338)$2,937 $571 $(2,872)$10,372 
Nine Months Ended September 30, 2025RentalsInfrastructureSandAccommodationsDrillingCorporate, Other & EliminationsTotal
Revenue from external and related party customers$7,744 $2,914 $14,843 $6,127 $3,207 $— $34,835 
Intersegment revenue54 — — — — (54)— 
Total revenue7,798 2,914 14,843 6,127 3,207 (54)34,835 
Less expenses:
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion, inclusive of related parties4,675 3,807 14,886 4,110 2,994 1,581 32,053 
Selling, general and administrative, exclusive of stock based compensation2,485 616 3,973 1,280 727 4,330 13,411 
Adjusted EBITDA$638 $(1,509)$(4,016)$737 $(514)$(5,965)$(10,629)




10

MAMMOTH ENERGY SERVICES, INC.
RECONCILIATION OF NON-GAAP FINANCIAL MEASURES

Adjusted EBITDA from Continuing Operations

Adjusted EBITDA from continuing operations is a supplemental non-GAAP financial measure that is used by management and external users of our financial statements, such as industry analysts, investors, lenders and rating agencies. We define Adjusted EBITDA from continuing operations as net income (loss) from continuing operations before depreciation, depletion, amortization and accretion, gains on disposal of assets, net, impairment of long-lived assets, equity based compensation, stock based compensation, interest expense (income), net, (gain) loss on marketable securities, net, other (income) expense, net and provision for income taxes. We exclude the items listed above from net income (loss) from continuing operations in arriving at Adjusted EBITDA from continuing operations because these amounts can vary substantially from company to company within our industries depending upon accounting methods and book values of assets, capital structures and the method by which the assets were acquired. Adjusted EBITDA from continuing operations should not be considered as an alternative to, or more meaningful than, net income (loss) from continuing operations or cash flows from operating activities as determined in accordance with GAAP or as an indicator of our operating performance or liquidity. Certain items excluded from Adjusted EBITDA from continuing operations are significant components in understanding and assessing a company’s financial performance, such as a company’s cost of capital and tax structure, as well as the historical costs of depreciable assets, none of which are components of Adjusted EBITDA from continuing operations. Our computations of Adjusted EBITDA from continuing operations may not be comparable to other similarly titled measures of other companies. We believe that Adjusted EBITDA from continuing operations is a widely followed measure of operating performance and may also be used by investors to measure our ability to meet debt service requirements.

The following tables provide a reconciliation of Adjusted EBITDA from continuing operations to net income (loss) from continuing operations, the most directly comparable GAAP financial measure for the specified periods (in thousands):

Three Months EndedNine Months Ended
September 30,June 30,September 30,
Reconciliation of net income (loss) from continuing operations to Adjusted EBITDA from continuing operations:20262025202620262025
Net income (loss) from continuing operations$294 $(12,648)$(1,198)$3,783 $(51,418)
Depreciation, depletion, amortization and accretion6,557 2,751 4,634 14,661 7,661 
(Gains) loss on disposal of assets, net(312)1,874 (4,641)(5,628)(2,675)
Impairment of long-lived assets— — — — 31,669 
Equity based compensation— — 544 544 — 
Stock based compensation— — — — 412 
Interest (income) expense, net(211)(729)784 59 (1,112)
(Gain) loss on marketable securities, net(1,173)(73)1,116 (7,161)(73)
Other expense (income), net533 1,903 (471)670 2,863 
Provision for income taxes136 2,140 1,853 3,444 2,044 
Adjusted EBITDA from continuing operations$5,824 $(4,782)$2,621 $10,372 $(10,629)




11

Filing Exhibits & Attachments

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