On December 8, 2023, the board of directors of Marriott Vacations Worldwide Corporation, upon the recommendation of the Nominating and Corporate Governance Committee of the Board, voted to appoint Mary E. Galligan as a Class III director of the Board. In connection with Ms. Galligan?s appointment, the Board increased the size of the Board to 11 directors. Ms. Galligan has not been appointed to any committees at this time.

Ms. Galligan was appointed to serve as a member of the Board until the 2024 annual meeting of stockholders, or until her successor is duly elected and qualified. Ms. Galligan served as Managing Director in Deloitte?s Cyber and Strategic Risk practice from September 2013 to October 2023 and led the response to several high-profile cyber breaches. She also served as an advisor to Fortune 500 boards of directors and senior executives in how to address global cyber incidents.

Ms. Galligan started her cyber and crisis management career in 1988 as a special agent of the Federal Bureau of Investigation (FBI). She assumed positions of increasing responsibility and most recently served as Special Agent in Charge of Cyber and Special Operations, a 500-person division of the New York Office of the FBI. Ms. Galligan received her bachelor?s degree from Fordham University and master?s degree from The New School and is an FBI-certified Crisis Negotiator and Crisis Manager.