What is Riot Blockchain, Inc.'s stock symbol?

Our stock is traded on the NASDAQ under the symbol RIOT.

When was Riot Blockchain, Inc. incorporated?

1998

When did Riot Blockchain, Inc. become a public company?

January 27, 2003

Where is Riot Blockchain, Inc. located?

202 6th Street
Suite 401
Castle Rock, CO 80104

When is Riot Blockchain, Inc.'s fiscal year end?

December 31st

Who is Riot Blockchain, Inc.'s transfer agent?

Corporate Stock Transfer, Inc.
3200 Cherry Creek Drive South
#430
Denver, CO 80209
T: 303-282-4800
www.corporatestock.com

Who is Riot Blockchain, Inc.'s independent auditor?

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

Who is Riot Blockchain, Inc.'s outside legal counsel?

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