Exhibit B.4

JOINT FILING AGREEMENT

Pursuant to Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned agree that the Statement on Schedule 13D to which this exhibit is attached is filed on behalf of each of them.

Date: September 24, 2019

CHARLES F. DOLAN, individually, and as

Trustee of the Charles F. Dolan 2018

Grantor Retained Annuity Trust #1M and as a

Trustee of the Charles F. Dolan 2009 Revocable Trust

*

Charles F. Dolan

HELEN A. DOLAN, individually, and as

Trustee of the Helen A. Dolan 2018 Grantor

Retained Annuity Trust #1M

*

Helen A. Dolan

JAMES L. DOLAN, individually

/s/ James L. Dolan

James L. Dolan

THOMAS C. DOLAN, individually

/s/ Thomas C. Dolan

Thomas C. Dolan

MARIANNE E. DOLAN WEBER,

individually

*

Marianne Dolan Weber

DEBORAH A. DOLAN-SWEENEY,

individually

*

Deborah A. Dolan-Sweeney

KATHLEEN M. DOLAN, individually, and

as a Trustee of the Charles F. Dolan

Children Trust FBO Kathleen M. Dolan, the

Charles F. Dolan Children Trust FBO

Deborah Dolan-Sweeney, the Charles F.

Dolan Children Trust FBO Marianne Dolan

Weber, the Charles F. Dolan Children Trust

FBO Thomas C. Dolan and the Charles F.

Dolan Children Trust FBO James L. Dolan, and

as Trustee of the Ryan Dolan 1989 Trust and

the Tara Dolan 1989 Trust

*

Kathleen M. Dolan

CHARLES F. DOLAN 2009 REVOCABLE

TRUST

/s/ Brian G. Sweeney

By: Brian G. Sweeney, Trustee

*

By: Charles F. Dolan, Trustee

CHARLES F. DOLAN CHILDREN

TRUST FBO KATHLEEN M. DOLAN

CHARLES F. DOLAN CHILDREN

TRUST FBO JAMES L. DOLAN

*

By: Paul J. Dolan, Trustee

CHARLES F. DOLAN CHILDREN

TRUST FBO MARIANNE DOLAN WEBER

CHARLES F. DOLAN CHILDREN

TRUST FBO THOMAS C. DOLAN

*

By: Matthew J. Dolan, Trustee

CHARLES F. DOLAN CHILDREN

TRUST FBO DEBORAH DOLAN-SWEENEY

*

By: Mary S. Dolan, Trustee

2

CFD 2009 FAMILY TRUST FBO

KATHLEEN M. DOLAN

CFD 2009 FAMILY TRUST FBO

DEBORAH A. DOLAN-SWEENEY

CFD 2009 FAMILY TRUST FBO

MARIANNE E. DOLAN WEBER

CFD 2009 FAMILY TRUST FBO

THOMAS C. DOLAN

CFD 2009 FAMILY TRUST FBO

JAMES L. DOLAN

*

By: Mary S. Dolan, Trustee

*

By: Corby Dolan Leinauer, Trustee

CORBY DOLAN LEINAUER, as a Trustee

of the Charles F. Dolan 2009 Family Trust

FBO James L. Dolan, the Charles F. Dolan 2009 Family Trust FBO Thomas C. Dolan, the Charles

F. Dolan 2009 Family Trust FBO Kathleen

M. Dolan, the Charles F. Dolan 2009 Family Trust FBO Marianne E. Dolan Weber and the Charles

F. Dolan 2009 Family Trust FBO Deborah A.

Dolan-Sweeney

*

Corby Dolan Leinauer

MARY S. DOLAN, as a Trustee of the Charles F. Dolan Children Trust FBO Deborah Dolan-Sweeney, the Charles F. Dolan 2009 Family Trust FBO James L. Dolan, the Charles F. Dolan 2009 Family Trust FBO Thomas C. Dolan, the Charles F. Dolan 2009 Family Trust FBO Kathleen M. Dolan, the Charles F. Dolan 2009 Family Trust FBO Marianne E. Dolan Weber and the Charles F. Dolan 2009 Family Trust FBO Deborah A. Dolan-Sweeney

*

Mary S. Dolan

3

DAVID M. DOLAN

*

David M. Dolan

*By:	/s/ Brian G. Sweeney
	Brian G. Sweeney
	as Attorney-in-Fact

4