Exhibit 99.1

Joint Filing Agreement

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the undersigned hereby agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including any and all amendments thereto, the “Schedule 13D”) relating to the shares of common stock, par value $1.00 per share, of Altisource Portfolio Solutions S.A., which may be deemed necessary pursuant to Regulation 13D or 13G promulgated under the Exchange Act.

The undersigned further agree that each party hereto is responsible for the timely filing of the Schedule 13D, and for the accuracy and completeness of the information concerning such party contained therein; provided, however, that no party is responsible for the accuracy or completeness of the information concerning any other party, unless such party knows or has a reason to believe that such information is inaccurate.

It is understood and agreed that a copy of this Joint Filing Agreement shall be attached as an exhibit to the Schedule 13D, filed on behalf of each of the parties hereto.

Dated: December 1, 2017
	/s/ William C. Erbey
	William C. Erbey
	/s/ E. Elaine Erbey
	E. Elaine Erbey
	Christiansted Trust
	By:	/s/ William C. Erbey
		Name: William C. Erbey
		Co-Trustee
	By:	/s/ E. Elaine Erbey
		Name: E. Elaine Erbey
		Co-Trustee
	By:	/s/ John R. Erbey
		Name: John R. Erbey
		Co-Trustee
	By:	/s/ William C. Erbey
		Name: Salt Pond Holdings, LLC Title: Co-Trustee Signed By: Name: William C. Erbey
		Title: President

Frederiksted Trust
By:	/s/ William C. Erbey
	Name: William C. Erbey
	Co-Trustee
By:	/s/ John R. Erbey
	Name: John R. Erbey
	Co-Trustee
By:	/s/ William C. Erbey
	Name: Salt Pond Holdings, LLC Title: Co-Trustee Signed By: Name: William C. Erbey
	Title: President
Erbey Holding Corporation, Inc.
By:	Carisma Trust, its Sole Shareholder
	By:	Venia, LLC, Carisma Trust’s Sole Trustee
		By:	/s/ E. Elaine Erbey
			Name: E. Elaine Erbey
			Title: Member
Carisma Trust
By:	Venia, LLC, its Sole Trustee
	By:	/s/ E. Elaine Erbey
		Name: E. Elaine Erbey
		Title: Member
Venia, LLC
By:	/s/ E. Elaine Erbey
	Name: E. Elaine Erbey
	Title: Member
Salt Pond Holdings, LLC
By:	/s/ William C. Erbey
	Name: William C. Erbey
	Title: President