Certain Restricted Share Unit of Arm Holdings plc are subject to a Lock-Up Agreement Ending on 12-MAR-2024. These Restricted Share Unit will be under lockup for 181 days starting from 13-SEP-2023 to 12-MAR-2024.

The company's directors and executive officers and the selling shareholder have entered into a lock up period with the underwriters for a period of 180 days after the date of the prospectus.