X0306 4 2022-04-20 0 0000045876 HARSCO CORP HSC 0001756619 HAZNEDAR CAROLANN I 350 POPLAR CHURCH ROAD CAMP HILL PA 17011 1 0 0 0 Restricted Stock Units 2022-04-20 4 M 0 5806 0.00 D Common Stock 5806 0 D Phantom Stock Units 2022-04-20 4 A 0 5806 0.00 A Common Stock 5806 22205 D Restricted Stock Units convert into common stock on a one-for-one basis. On May 10, 2021. the reporting person was granted 5,806 restricted stock units that vested on the earlier of (i) the first anniversary of the grant date or (ii) the issuer's annual meeting of stockholders in the year immediately following the year of the grant date. Represents deferred compensation under the 2016 Non-Employee Directors' Long-Term Equity Compensation Plan. Each phantom stock unit represents the right to be paid in cash an amount equal to the fair market value of one share of Harsco Corporation Common Stock at the date of settlement. Represents a scheduled settlement date for the phantom stock units to be paid in cash in a lump sum commencing within thirty days at the begin of the calendar year 2028. /s/ Carolann I. Haznedar 2022-04-22