On January 19, 2018, the Board of Directors of CSI Compressco GP Inc. elected Michael E. Moscoso as Vice President Finance of the General Partner, in which role he will assume responsibilities from Elijio V. Serrano as the principal accounting officer. Mr. Serrano will continue to serve as the Chief Financial Officer and remains the principal financial officer of the General Partner. Moscoso, has served as the Director of Internal Audit of TETRA Technologies Inc. since July 2014. From July 2005 until April 2014, Mr. Moscoso served in various internal audit roles with increasing responsibility, most recently as the senior director of internal audit, at AEI Services, LLC.