Type	Name	Date
Registration rights agreement	Registration Rights Agreement	07/20/2018
Underwriting agreement	Underwriting Agreement	02/05/2015

Type	Name	Date
Equity incentive plans	Amendment No. 1 to the ClearSign Combustion Corporation 2011 Equity Incentive Plan	05/13/2019
Employment agreement	Employment Agreement between the Company and Colin James Deller	01/30/2019
Employment agreement	Employment Agreement between the ClearSign Combustion Corporation and Stephen E. Pirnat	02/05/2015