144 0001319575 XXXXXXXX LIVE 0001529628 Smart Sand Inc. 001-37936 1000 Floral Vale Blvd Suite 225 Yardley PA 19067 281-231-2660 Frank Porcelli Director Class A Common UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

50000 189018.1 43539189 03/09/2026 NASD Class A Common 09/13/2011 Pre-IPO Investment Issuer N 249948 09/13/2011 Cash N Frank Porcelli

211 Polo Lane Lawrence NY 11559

Class A Common 03/04/2026 100000 402785 Frank Porcelli

211 Polo Lane Lawrence NY 11559

Class A Common 03/05/2026 150000 603380 03/09/2026 /s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for Frank Porcelli