Certain Restricted Stock Units of KKR Real Estate Finance Trust Inc. are subject to a Lock-Up Agreement Ending on 7-NOV-2021. These Restricted Stock Units will be under lockup for 181 days starting from 10-MAY-2021 to 7-NOV-2021. Details: In connection with this offering, Manager,directors and executive officers and the selling stockholder will sign lock-up agreements with the underwriters of this offering that restrict the sale of the shares of remaining common stock held by them for 45 days, in the case of our directors and executive officers, 60 days, in the case of Manager, and 180 days, in the case of the selling stockholder following the date of this prospectus supplement, subject to certain customary exceptions.