Exhibit A

JOINT FILING AGREEMENT

The undersigned agree that this Schedule 13G dated August 14, 2025 relating to the Common Stock, par value $1.00 per share, of Mercer International Inc. shall be filed on behalf of the undersigned.

 

 

REDWOOD CAPITAL MANAGEMENT LLC

 

By: Redwood Capital Management Holdings, LP, its sole member

 

By: Double Twins K, LLC, its general partner

 

By: /s/ Ruben Kliksberg*

  Name: Ruben Kliksberg
  Title:   Managing Member

 

 

 

REDWOOD CAPITAL MANAGEMENT HOLDINGS, LP

 

By: Double Twins K, LLC, its general partner

 

By: /s/ Ruben Kliksberg*

  Name: Ruben Kliksberg
  Title:   Managing Member

 

 

 

DOUBLE TWINS K, LLC

 

By: /s/ Ruben Kliksberg*

  Name: Ruben Kliksberg
  Title:   Managing Member

 

 

 

RUBEN KLIKSBERG

 

By: /s/ Ruben Kliksberg*