Certain Class B Common Stock of Membership Collective Group Inc. are subject to a Lock-Up Agreement Ending on 11-JAN-2022. These Class B Common Stock will be under lockup for 181 days starting from 14-JUL-2021 to 11-JAN-2022. Details: The directors, executive officers and certain other stockholders, who will collectively beneficially own substantially all shares of Class A common stock including securities convertible into the shares of Class A common stock, including the shares of Class B common stock, following this offering, have agreed that, without the prior written consent of J.P. Morgan Securities LLC and Morgan Stanley & Co. LLC, will not, subject to limited exceptions, directly or indirectly sell or dispose of any shares of Class A common stock or any securities convertible into or exchangeable or exercisable for the shares of Class A common stock for a period of 180 days after the date of this prospectus.