 THE WOODLANDS, Texas, March 02, 2021 GLOBE NEWSWIRE -- Smart Sand, Inc. NASDAQ: SND the Company or Smart Sand, a fully integrated frac sand supply and services company, a low-cost producer of high quality Northern White raw frac sand and provider of proppant logistics solutions through both its in-basin transloading terminal and SmartSystemsTM products and services, today announced results for the fourth quarter and full year ended December 31, 2020. 