X0306 4 2018-03-09 0 0000783324 VISTA GOLD CORP VGZ 0001376530 Earnest Frederick Hume C/O VISTA GOLD CORP. 7961 SHAFFER PARKWAY, SUITE 5 LITTLETON CO 80127 1 1 0 0 President and CEO Common Shares 2018-03-09 4 A 0 69600 0 A 1061197 D Common Shares 2018-03-09 4 F 0 28539 0.75 D 1032658 D Stock Option (Right to Buy) 0.75 2018-03-09 4 A 0 100000 0 A 2023-03-09 Common Shares 100000 100000 D Restricted Stock Units 0 2018-03-09 4 A 0 126000 0 A 2019-03-09 2019-03-09 Common Shares 126000 126000 D On March 5, 2017, the reporting person was granted performance-based restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of VGZ common stock. The established performance criteria was determined to have been met for the RSUs reported above on March 9, 2018. The options vest as follows: 33,333 on 3/9/2018; 33,333 on 3/9/2019; and 33,334 on 3/9/2020 Each restricted stock unit represents a contingent right to receive one share of VGZ common stock ("RSU"). Vesting of the RSUs will occur on 3/9/2019, subject to the reporting person's continuing employment with the Issuer. VESTING OF THE RSU GRANTS IS ALSO SUBJECT TO PERFORMANCE AND MARKET PRICE CRITERIA AND THE RSUs WILL NOT NECESSARILY VEST OR CONVERT INTO NON-DERIVATIVE SECURITIES TO BE BENEFICIALLY OWNED BY THE REPORTING PERSON. /s/ Connie Martinez as attorney-in-fact for Frederick Hume Earnest 2018-03-09