X0306 4 2021-12-13 0 0000910638 3D SYSTEMS CORP DDD 0001105964 HULL CHARLES W 333 THREE D SYSTEMS CIRCLE ROCK HILL SC 29730 1 1 0 0 EVP & CTO (Regenerative Med) Common Stock 2021-12-13 4 F 0 1651 21.33 D 73956 D Common Stock 464315 I By Trust Shares reported were withheld to satisfy tax withholding obligations with respect to the vesting of a grant of restricted stock originally made on December 13, 2019. Amount of securities beneficially owned decreased by 74,510 shares to reflect the transfer of such shares from direct ownership by the Reporting Person to indirect ownership as further described in footnote (3). Amount of securities beneficially owned reflects the June 29, 2021 transfer of 74,510 shares from direct ownership by the Reporting Person to indirect ownership by the Charles William Hull and Charlene Antoinette Hull 1992 Revocable Living Trust for which the Reporting Person serves as trustee. By the Charles William Hull and Charlene Antoinette Hull 1992 Revocable Living Trust for which the Reporting Person serves as trustee. /s/ Andrew M. Johnson, Attorney-in-Fact for Charles W. Hull 2021-12-15