Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the common shares of Obsidian Energy Ltd. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

FrontFour Capital Group LLC
 
By:

/s/ David A. Lorber

 
  David A. Lorber, Managing Member
Date: 03/13/2026

 

FrontFour Master Fund Ltd.
 
By:

/s/ David A. Lorber

 
  David A. Lorber, Managing Member of FrontFour Capital Group LLC, its Investment Manager
Date: 03/13/2026

 

FrontFour Capital Corp.
 
By:

/s/ David A. Lorber

 
  David A. Lorber, Authorized Signatory
Date: 03/13/2026

 

Lorber David A
 
By:

/s/ David A. Lorber

 
  David A. Lorber
Date: 03/13/2026

 

George Zachary
 
By:

/s/ Zachary George

 
  Zachary George
Date: 03/13/2026