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Mammoth Energy Services Inc. press release

Mammoth Announces Third-Quarter 2025 Conference Call

NASDAQ - Nasdaq Stock Market · Sand · United States

PR Newswire

OKLAHOMA CITY, Oct. 16, 2025/PRNewswire/ -- Mammoth Energy Services, Inc. (NASDAQ: TUSK) ("Mammoth" or the "Company") will host a conference call on Friday, October 31, 2025,to discuss the Company's results for the third quarter ended September 30, 2025.

The conference call will begin at 11:00 a.m. Eastern Time(10:00 a.m. Central Time). Prior to the call, the Company will issue a press release announcing the results, which will also be available in the Investor Relationssection of the Mammoth website.

The call will be webcast liveand can be accessed through the Company's website. Participants may also join by dialing +1-201-389-0872and requesting the Mammoth conference call. Please log in or dial in approximately 10 minutes prior to the scheduled start time.

A telephonic replay will be available until November 7, 2025by dialing +1-201-612-7415and entering passcode 13756118#. An archived webcast will also be available shortly after the call in the Investor Relationssection of the Mammoth website.

Questions for management may be submitted in advance of the call by emailing TUSK@vizaraadvisors.com.

About Mammoth

Mammoth is an integrated, growth-oriented company providing a diversified suite of rental, infrastructure and energy services across North America. Mammoth's offerings span specialized equipment rentals supporting aviation, construction, and energy operations, as well as utility infrastructure solutions, including engineering, design and fiber optic services. The Company also provides natural sand proppant for hydraulic fracturing, directional drilling services, and workforce accommodation facilities designed to support large-scale projects in remote locations. By combining technical expertise with a broad service platform, Mammoth helps customers achieve greater efficiency, flexibility and value across their operations. For more information, please visit www.mammothenergy.com.

| Contacts: | | | Mark Layton, CFO | Mohammed Topiwala | | Mammoth Energy Services, Inc. | Vizara Advisors - Investor Relations | | investors@mammothenergy.com | TUSK@vizaraadvisors.com |

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SOURCE Mammoth Energy Services, Inc.

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