MGM RESORTS AND ENTAIN ANNOUNCE BETMGM UPDATE RELEASE DATE

LAS VEGAS- BetMGM, LLC ('BetMGM'), one of the leading sports betting and iGaming operators across the U.S., jointly owned by MGM Resorts International (NYSE: MGM) ('MGM Resorts') and Entain plc (LSE: ENT) ('Entain'), will release an update before the market opens on Wednesday, January 19, 2022 at approximately 8:30 a.m. Eastern Time.

The statement will provide an update on BetMGM's 2021 performance and outlook for 2022.

BetMGM will also host a conference call that day at 10:00 a.m. Eastern Time, which will include an overview of its results, followed by a brief Q&A session. The call will be accessible via the Internet through https://www.webcaster4.com/Webcast/Page/2832/44324 or by dialing in as follows:

U.S. (Toll Free): [phone]

U.K.: [phone]

International: [phone]

Conference call access code: 3122358

The live webcast and replay will also be accessible at http://investors.mgmresorts.com/investors/events-and-presentations/.

Statements in this release that are not historical facts are 'forward-looking' statements and 'safe harbor statements' under the Private Securities Litigation Reform Act of 1995 that involve risks and/or uncertainties, including risks and/or uncertainties as described in the Company's public filings with the Securities and Exchange Commission.

About BetMGM

BetMGM is a market leading sports betting and gaming entertainment company, pioneering the online gaming industry. Born out of a partnership between MGM Resorts International (NYSE: MGM) and Entain Plc (LSE: ENT), BetMGM has exclusive access to all of MGM Resorts' U.S. land-based and online sports betting, major tournament poker, and online gaming businesses. Utilizing Entain's U.S.-licensed, state of the art technology, BetMGM offers sports betting and online gaming via market leading brands including BetMGM, Borgata Casino, Party Casino and Party Poker. Founded in 2018, BetMGM is headquartered in New Jersey. For more information, visit http://www.betmgminc.com/.

About MGM Resorts International

MGM Resorts International (NYSE: MGM) is an S&P 500 global entertainment company with national and international locations featuring best-in-class hotels and casinos, state-of-the-art meetings and conference spaces, incredible live and theatrical entertainment experiences, and an extensive array of restaurant, nightlife and retail offerings. MGM Resorts creates immersive, iconic experiences through its suite of Las Vegas-inspired brands. The MGM Resorts portfolio encompasses 31 unique hotel and gaming destinations globally, including some of the most recognizable resort brands in the industry. The Company's 50/50 venture, BetMGM, LLC, offers U.S. sports betting and online gaming through market-leading brands, including BetMGM and partypoker. The Company is currently pursuing targeted expansion in Asia through the integrated resort opportunity in Japan. Through its 'Focused on What Matters: Embracing Humanity and Protecting the Planet' philosophy, MGM Resorts commits to creating a more sustainable future, while striving to make a bigger difference in the lives of its employees, guests, and in the communities where it operates. The global employees of MGM Resorts are proud of their company for being recognized as one of FORTUNE Magazine's World's Most Admired Companies. For more information, please visit us at www.mgmresorts.com. Please also connect with us @MGMResortsIntl on Twitter as well as Facebook and Instagram

About Entain plc

Entain plc (LSE: ENT) is a FTSE100 company and is one of the world's largest sports-betting and gaming groups, operating both online and in the retail sector. The Group owns a comprehensive portfolio of established brands; Sports Brands include bwin, Bet.pt, Coral, Crystalbet, Eurobet, Ladbrokes, Neds and Sportingbet; Gaming Brands include CasinoClub, Foxy Bingo, Gala, Gioco Digitale, Ninja Casino, Optibet, partypoker and PartyCasino. The Group owns proprietary technology across all its core product verticals and in addition to its B2C operations provides services to a number of third-party customers on a B2B basis. The Group's joint-venture with MGM Resorts International, BetMGM, is a leader in sports-betting and iGaming in the US. Entain provides the technology which powers BetMGM and exclusive games and products, specially developed at its in-house gaming studios. The Group is tax resident in the UK with licenses in a total of 27 regulated markets. Entain is a leader in ESG, a member of FTSE4Good, the DJSI and is AA rated by MSCI. The Group has set a science-based target, committing to be carbon net zero by 2035 and through the Entain Foundation supports a variety of initiatives, focusing on safer gambling, grassroots sport, diversity in technology and community projects. For more information see the Group's website: www.entaingroup.com

BETMGM CONTACT

ELISA RICHARDSON

Head of Public Relations & Communications

[e-mail]

MGM RESORTS CONTACT

Investment Community

CATHERINE PARK

Executive Director, Investor Relations

[e-mail]

News Media

BRIAN AHERN

Executive Director, Media Relations

[e-mail]

ENTAIN CONTACT

Investment Community

DAVID LLOYD-SEED

Group Director of Investor Relations & Corporate Communications

[e-mail]

DAVINA HOBBS

Head of Investor Relations

[e-mail]

News Media

TESSA CURTIS

Head of Media Relations

[e-mail]

SOURCE BetMGM; MGM Resorts International

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