Investor Relations

T: 303-794-2000 ext. 110
IR@riotblockchain.com

Transfer Agent

EQ by Equiniti
3200 Cherry Creek Drive South
#430
Denver, CO 80209
T: 303-282-4800
www.equiniti.com

Auditor

Marcum LLP
750 3rd Avenue
11th Floor
New York, NY 10017
T: 855-MARCUM1
info@marcumllp.com

Legal Counsel

Rogers Towers, P.A.
1301 Riverplace Boulevard
Suite 1500
Jacksonville, FL 32207
T: 904-398-3911