EX-32.1 10 sphrexhibit321-3312026.htm EX-32.1
Exhibit 32.1
Certification
Pursuant to 18 U.S.C. §1350, the undersigned officer of Sphere Entertainment Co. (the “Company”), hereby certifies, to such officer’s knowledge, that the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2026 (the “Report”) fully complies with the requirements of §13(a) or §15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
Date: May 5, 2026

/s/ JAMES L. DOLAN
James L. Dolan
Executive Chairman and Chief Executive Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. §1350 and is not being filed as part of the Report or as a separate disclosure document.