Jeffery Johnson — Director of Environmental Compliance at Hi-Crush Partners LP

Mr. Jeffery A. Johnson has been Director of Environmental Compliance at Hi-Crush Partners LP since October 2014. Mr. Johnson is responsible for maintaining and administering the regulatory compliance programs for all Hi-Crush facilities. Mr. Johnson has more than fifteen years of experience, with the majority working within the environmental regulatory programs at the Wisconsin Department of Natural Resources. Mr. Johnson has a senior leadership role in the continued development and implementation of Hi-Crush's environmental programs. Prior to joining Hi-Crush, Mr. Johnson held positions of increasing responsibility within the Wisconsin Department of Natural Resources. He served as an Environmental Engineering Supervisor at the Department from 2008 to 2014, and as the Acting Deputy Director of the Bureau of Air Management from 2011 to 2012. Prior to this time, Mr. Johnson served as an Air Management Engineer with the Department since 2000.