GlobeNewswire Inc | Jul 23, 2021 06:00AM EDT

July 23, 2021

OKLAHOMA CITY, July 23, 2021 (GLOBE NEWSWIRE) -- 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 CallWhen: Friday, July 30, 2021 at 9:00 a.m. Eastern / 8:00 a.m. Central Live via phone ? By dialing 1-216-562-0385 and ask for theMammothHow: Energy Services call at least 10 minutes prior to the start time, orLive 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 MammothEnergy 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. Mammoths 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