WINKLER JOSEPH C

• Director at Complete Production Services, Inc. · on record since Apr 26, 2006
• Director at Dresser-Rand Group Inc. · on record since May 18, 2007
• Chairman and CEO at Complete Production Services, Inc. · on record since Feb 4, 2008
• Director at COMMERCIAL METALS CO · on record since Jun 29, 2012
• Director at Hi-Crush Partners LP · on record since Aug 15, 2012
• President and COO at VARCO INTERNATIONAL INC /DE/ · on record since Jan 30, 2004
• Director at ECC Capital CORP · on record since Jun 27, 2014
• Director at TETRA TECHNOLOGIES INC · on record since Aug 26, 2015
• Executive VP and COO at NATIONAL OILWELL VARCO INC · on record since Apr 4, 2005