TUSK Mammoth Energy Services Inc

Mammoth Energy Services, Inc. (NASDAQ: TUSK) (the “Company”), announced today that it will disclose its 2021 second quarter financial results on Friday, July 30, 2021 at 6:00 a.m. Eastern Time. In conjunction with the earnings release, the Company has scheduled a conference call and webcast to discuss second quarter results the same day at 9:00 a.m. Eastern Time (8:00 a.m. Central Time).

What:	Mammoth Energy Services’ Second Quarter 2021 Earnings Conference Call
When:	Friday, July 30, 2021 at 9:00 a.m. Eastern / 8:00 a.m. Central
How:	Live via phone – By dialing 1-216-562-0385 and ask for the Mammoth Energy Services call at least 10 minutes prior to the start time, or Live over the Internet – By logging onto the web at the address below.
Where:	https://ir.mammothenergy.com/events-presentations

For those who cannot listen to the live call, an archive of the webcast will be available shortly after the call concludes at https://ir.mammothenergy.com/events-presentations.

About Mammoth Energy Services, Inc.

Mammoth is an integrated, growth-oriented infrastructure services company focused on the construction and repair of the electric grid for private utilities, public investor-owned utilities and co-operative utilities through its infrastructure services businesses. The Company also provides products and services to enable the exploration and development of North American onshore unconventional oil and natural gas reserves. Mammoth’s suite of services and products include: infrastructure services, well completion services, natural sand and proppant services, drilling services and other energy services. For more information, please visit www.mammothenergy.com.

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

Rick Black / Ken DennardDennard Lascar Investor RelationsTUSK@dennardlascar.com