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?

834-F South Perry Street
Suite 443
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?

EisnerAmper LLP
111 Wood Avenue South
Iselin, NJ 08830
T: 732-243-7000
www.eisneramper.com

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

Sichenzia, Ross, Ference, Kesner
1185 Avenue of the Americas
37th Floor
New York, NY 10036
T: 212-930-9700
info@sfrkllp.com