MSG Entertainment and Sphere Entertainment Name Allen Lo Executive Vice President, Chief Legal Officer

Madison Square Garden Entertainment Corp. (NYSE: MSGE) ("MSG Entertainment") and Sphere Entertainment Co. (NYSE: SPHR) today announced that Allen Lo, a leader with more than 30 years of broad legal experience in the technology and media industries, has been named Executive Vice President, Chief Legal Officer for both companies, effective March 30.

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In this role, Mr. Lo will serve as both companies' chief legal officer, overseeing all corporate and business legal affairs and leading a high-performing team of legal professionals across a range of disciplines. He will also partner closely with the companies' respective senior leadership teams, including to help shape business strategy, negotiate and execute significant transactions, and direct corporate governance processes. Mr. Lo will report to Jim Dolan, who serves as Executive Chairman and Chief Executive Officer of both MSG Entertainment and Sphere Entertainment.

"We are pleased to welcome Allen to MSG Entertainment and Sphere Entertainment," said Mr. Dolan. "As a leader he has handled high-profile corporate and business legal matters, and his expertise will be an important addition to our Legal team in support of both companies' strategic initiatives and long-term growth."

"Throughout my career I have operated across a range of legal functions at innovative companies," said Mr. Lo. "Taking on this role with two leading companies, each pushing forward in live experiences and technology, is an opportunity I welcome, and I look forward to working with the management teams to help support strategic initiatives at both companies."

Mr. Lo's experience extends across a broad range of matters, including consumer-facing experiences, content moderation, and complex transactions. He joins MSG Entertainment and Sphere Entertainment from Meta, where he served as Vice President, Legal and Deputy General Counsel. In this role he was responsible for providing legal and regulatory counsel as well as managing global intellectual property matters across various areas of the business, including Facebook, Instagram, WhatsApp, Meta Superintelligence Lab, Marketing, Music and Reality Labs.

Prior to joining Meta in 2017, Mr. Lo served as Deputy General Counsel, Patents and IP Litigation, at Google, where he led a team responsible for intellectual property-related matters involving Android and Google's mobile strategy. Prior to Google, he was Deputy General Counsel and Vice President, Legal Affairs, at Juniper Networks. As the company's second attorney hired, Mr. Lo had responsibility for a broad range of legal matters as the company scaled over his 11-year tenure, including complex transactions, strategic partnerships, global litigation, legal operations, and governance. Mr. Lo began his career at the U.S. Patent and Trademark Office, before joining Finnegan, Henderson, Farabow, Garrett & Dunner, an intellectual property law firm where he represented technology clients on patent matters.

Mr. Lo serves on the Board of Visitors of the Georgetown University Law Center, which advises the Dean on strengthening the school's teaching, scholarship, and service. He has been recognized by various industry organizations for his leadership and career achievements, including being named one of the Top 50 Intellectual Property Trailblazers and Pioneers by the National Law Journal and Top 50 Diverse Leaders by the California Diversity Council.

Mr. Lo received his J.D. from Georgetown University Law Center and his Bachelor of Science degree from The Ohio State University.

About Madison Square Garden Entertainment Corp.

Madison Square Garden Entertainment Corp. is a leader in live entertainment, delivering unforgettable experiences while forging deep connections with diverse and passionate audiences. The Company's portfolio includes a collection of world-renowned venues – New York's Madison Square Garden, Infosys Theater at Madison Square Garden, Radio City Music Hall, and Beacon Theatre; and The Chicago Theatre – that showcase a broad array of sporting events, concerts, family shows, and special events for millions of guests annually. In addition, the Company features the original production, the Christmas Spectacular Starring the Radio City Rockettes, which has been a holiday tradition for more than 90 years. More information is available at www.msgentertainment.com

About Sphere Entertainment Co.

Sphere Entertainment Co. is a leader in immersive experiences, technology and media. The Company includes Sphere, an experiential medium powered by advanced technologies. The first Sphere opened in Las Vegas, with a second venue planned for Abu Dhabi. In addition, the Company includes MSG Networks, which operates two regional sports and entertainment networks, MSG Network and MSG Sportsnet, as well as a direct-to-consumer and authenticated streaming product, MSG+, delivering a wide range of live sports content and other programming. More information is available at www.sphereentertainmentco.com.

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MSG Entertainment: msgepr@msg.com

Sphere Entertainment: spherepr@thesphere.com