X0306 4 2017-05-12 0 0001529628 Smart Sand, Inc. SND 0001687108 NEUMANN SUSAN E C/O SMART SAND, INC. 24 WATERWAY AVENUE, SUITE 350 THE WOODLANDS TX 77380 0 1 0 0 SEE REMARKS COMMON STOCK 2017-05-12 4 F 0 906 12.10 D 35418 D Represents shares withheld for tax purposes upon the vesting of restricted stock granted to the Reporting Person the vesting of which is based on the meeting of certain performance targets by the Issuer. The Reporting Person is Vice President of Accounting, Controller and Secretary of the Issuer. /s/ Lee E. Beckelman, Lee E. Beckelman as Attorney-in-Fact for Susan E. Neumann 2017-05-16