Type	Name	Date
Equity incentive plans	Second Amendment to the Eco-Stim 2015 Stock Incentive Plan	06/21/2017
Employment agreement	Employment Agreement by and between FracRock, Inc. and J. Christopher Boswell	12/17/2013
Employment agreement	Employment Agreement by and between FracRock, Inc. and Bobby Chapman	12/17/2013
Employment agreement	Employment Agreement	12/19/2006