Type	Name	Date
Underwriting agreement	UNDERWRITING AGREEMENT	01/06/2023
Underwriting agreement	Underwriting Agreement, by and among Geron Corporation and Stifel, Nicolaus & Company, Incorporated and MTS Securities, LLC, as representatives of the several underwriters named therein	05/26/2020
Underwriting agreement	Underwriting Agreement	12/07/2010

Type	Name	Date
By-Laws	Amended and Restated Bylaws	03/19/2010

Type	Name	Date
Equity incentive plans	2018 EQUITY INCENTIVE PLAN, AS AMENDED	05/13/2022
Equity incentive plans	2018 Equity Incentive Plan, as amended	06/09/2020
Equity incentive plans	2018 Equity Incentive Plan	05/18/2018
Equity incentive plans	Employee Stock Option Agreement under 2018 Equity Incentive Plan	05/18/2018

Type	Name	Date
Lease agreement	Office Lease, by and between Hudson Metro Center LLC and Geron Corporation	10/15/2019
Lease agreement	Sixth Amendment to Lease by and between Geron Corporation and David D. Bohannon Organization	06/08/2012