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.

Dated: November 20, 2017	FrontFour Master Fund, Ltd.
	By:	FrontFour Capital Group LLC as Investment Manager
	By:	/s/ David A. Lorber
		Name:	David A. Lorber
		Title:	Managing Member

FrontFour Capital Group LLC
By:	/s/ David A. Lorber
	Name:	David A. Lorber
	Title:	Managing Member

FrontFour Opportunity Fund
By:	FrontFour Capital Corp. as Investment Manager
By:	/s/ David A. Lorber
	Name:	David A. Lorber
	Title:	Authorized Signatory

FrontFour Capital Corp.
By:	/s/ David A. Lorber
	Name:	David A. Lorber
	Title:	Authorized Signatory

FrontFour Energy Fund
By:	FrontFour Energy GP Inc. as General Partner
By:	/s/ David A. Lorber
	Name:	David A. Lorber
	Title:	Authorized Signatory

FrontFour Energy GP Inc.
By:	/s/ David A. Lorber
	Name:	David A. Lorber
	Title:	Authorized Signatory

/s/ Stephen Loukas

Stephen Loukas

/s/ David A. Lorber

David A. Lorber

/s/ Zachary George

Zachary George