ROBERTSON CORBIN J JR

• Director at NATURAL RESOURCE PARTNERS LP · on record since Feb 28, 2006
• 10% owner at NATURAL RESOURCE PARTNERS LP · on record since Feb 28, 2006
• Director at Quintana Maritime LTD · on record since May 15, 2006
• 10% owner at Quintana Maritime LTD · on record since May 15, 2006
• Chairman and CEO at NATURAL RESOURCE PARTNERS LP · on record since Nov 18, 2003
• Director at Quintana Energy Services Inc. · on record since Feb 15, 2018
• 10% owner at Quintana Energy Services Inc. · on record since Feb 8, 2018
• See Remarks at Quintana Energy Services Inc. · on record since Apr 1, 2019
• Director at KLX Energy Services Holdings, Inc. · on record since Jul 30, 2020
• Chairman at Quintana Maritime LTD · on record since Jul 14, 2005