Certain Common Stock of RBC Bearings Incorporated are subject to a Lock-Up Agreement Ending on 21-DEC-2021. These Common Stock will be under lockup for 91 days starting from 21-SEP-2021 to 21-DEC-2021. Details: The Company and other parties have agreed with the underwriters, subject to certain exceptions, not to dispose of or hedge any of their common stock or securities convertible into or exchangeable for shares of common stock during the period from the date of this prospectus supplement continuing through the date 90 days after the date of this prospectus supplement, except with the prior written consent of the representative.