Certain Common Stock of Myriad Genetics, Inc. are subject to a Lock-Up Agreement Ending on 8-JAN-2024. These Common Stock will be under lockup for 61 days starting from 8-NOV-2023 to 8-JAN-2024.

Directors and certain executive officers, have agreed that, without the prior written consent of Goldman Sachs & Co. LLC, they will not, or cause or direct any of their affiliates to, during the period ending 60 days after the date of this prospectus supplement, offer, sell, contract to sell, pledge, grant any option to purchase, lend or otherwise transfer or dispose of any shares of common stock, or any options or warrants to purchase any shares of common stock, or any securities convertible into, exchangeable for or that represent the right to receive shares of common stock.