X0306 4 2016-12-02 0 0001529628 Smart Sand, Inc. SND 0001687130 YOUNG WILLIAM JOHN C/O SMART SAND, INC. 24 WATERWAY AVENUE, SUITE 350 THE WOODLANDS TX 77380 0 1 0 0 SEE REMARKS COMMON STOCK 2016-12-02 4 F 0 5777 13.46 D 86280 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 direct holdings of 19,457 reflected on the Form 4 filed November 30, 2016 was inaccurate as it did not include the restricted stock. This Form 4 reflects the correct total holdings. The Reporting Person is Executive Vice President of Sales and Logistics of the Issuer. /s/ Lee E. Beckelman as Attorney-in-Fact for William John Young 2016-12-06