Type	Name	Date
Equity incentive plans	THIRD AMENDMENT TO THE RIOT BLOCKCHAIN, INC. 2019 EQUITY INCENTIVE PLAN	08/02/2022
Equity incentive plans	Second Amendment to the Riot Blockchain, Inc. 2019 Equity Incentive Plan	10/22/2021
Equity incentive plans	Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended	10/22/2021
Employment agreement	Executive Employment Agreement by and between Riot Blockchain, Inc. and Benjamin Yi	05/24/2021
Employment agreement	EXECUTIVE EMPLOYMENT AGREEMENT	04/07/2021
Employment agreement	Executive Employment Agreement by and between Riot Blockchain, Inc. and Jason Les	02/10/2021
Employment agreement	Amendment to Executive Employment Agreement, by and between Riot Blockchain, Inc., a Nevada Corporation, and Christopher Ensey	09/26/2018
Employment agreement	Executive Employment Agreement between AspenBio Pharma, Inc. and Donald Hurd	05/24/2012
Employment agreement	Executive Employment Agreement between AspenBio Pharma, Inc. and Stephen T. Lundy	03/26/2010