Exhibit A

JOINT FILING AGREEMENT

The undersigned agree that this Schedule 13G Amendment No. 3 dated August 14, 2025 relating to the Common Stock, $0.01 par value, of Mammoth Energy Services, Inc. shall be filed on behalf of the undersigned.

 

 

VALUEWORKS LIMITED PARTNERS, LP

By: ValueWorks Capital, LLC, its general partner 

 

By: /s/ Charles Lemonides

  Name: Charles Lemonides
  Title:   Managing Member

 

 

 

VALUEWORKS CAPITAL, LLC

 

By: /s/ Charles Lemonides

  Name: Charles Lemonides
  Title:   Managing Member

 

 

 

VALUEWORKS LLC

 

By: /s/ Charles Lemonides

  Name: Charles Lemonides
  Title:   Managing Member

 

 

 

CHARLES LEMONIDES

 

By: /s/ Charles Lemonides