Certain Common Stock of Intellia Therapeutics, Inc. are subject to a Lock-Up Agreement Ending on 31-JAN-2021. These Common Stock will be under lockup for 61 days starting from 1-DEC-2020 to 31-JAN-2021. Details: The directors and executive officers 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 the prospectus supplement continuing through the date 60 days after the date of prospectus supplement, except with the prior written consent of the representatives.