CJ 2017 Annual Report

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized, this 1st day of March, 2018. C&J Energy Services, Inc. By: /s/ Donald J. Gawick Donald J. Gawick, President and Chief Executive Officer and Director (Principal Executive Officer) By: /s/ Mark C. Cashiola Mark C. Cashiola Chief Financial Officer (Principal Financial Officer) Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. 125