Lorber David A SC 13D PhenixFIN / Lorber David A ownership change

EXHIBIT 99.1

Joint Filing Agreement

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13D referred to below) on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the shares of Common Stock, par value $0.001 per share, of PhenixFIN Corporation, a corporation incorporated under the laws of Delaware, and that this Agreement may be included as an exhibit to such joint filing. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement on December 20, 2021.

David A. Lorber
/s/ David A. Lorber
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 Opportunity Fund
By: FrontFour Capital Corp. as investment manager
By:	/s/ David A. Lorber
	Name:	David A. Lorber
	Title:	Authorized Signatory
FrontFour Capital Group LLC
By:	/s/ David A. Lorber
	Name:	David A. Lorber
	Title:	Managing Member
FrontFour Capital Corp.
By:	/s/ David A. Lorber
	Name:	David A. Lorber
	Title:	Authorized Signatory