X0306 4 2022-05-02 0 0000783324 VISTA GOLD CORP VGZ 0001555604 Rozelle John W. C/O VISTA GOLD CORP. 7961 SHAFFER PARKWAY, SUITE 5 LITTLETON CO 80127 0 1 0 0 Senior Vice President Common Shares 2022-05-02 4 M 0 15000 A 610066 D Common Shares 2022-05-02 4 F 0 4650 0.83 D 605416 D Restricted Stock Units 2022-05-02 4 M 0 15000 0 D 2022-05-06 Common Shares 15000 0 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock. Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of 15,000 RSUs granted to the reporting person on May 6, 2019. The RSUs were granted on May 6, 2019, and reported on a Form 4 filed with the Securities and Exchange Commission on May 8, 2019. Vesting of 45,000 RSUs occurred over a 36-month period (1/3 at 12 months, 1/3 at 24 months, and 1/3 at 36 months), subject to the reporting person's continuing service as an officer of the Issuer, with settlement to occur as soon as administratively possible following the vesting date. Vesting of the remaining RSUs occurred on May 2, 2021. /s/ Paula J. Shade as attorney-in-fact for John W. Rozelle 2022-05-03