X0407 4 2023-04-20 1 0001795250 Sphere Entertainment Co. SPHR 0001754973 D'Ambrosio Philip Gerard TWO PENNSYLVANIA PLAZA NEW YORK NY 10121 0 1 0 0 SVP and Treasurer 0 Philip G. D'Ambrosio ceased being an Officer of Sphere Entertainment Co. (formerly known as Madison Square Garden Entertainment Corp.) on April 20, 2023. /s/ Mark C. Cresitello, Attorney-in-Fact for Philip G. D'Ambrosio 2023-04-21