Navigator Holdings Culture Company

Mr. David J. Butters serves as the Chairman, Chief Executive Officer and President of Navigator Gas Transport, PLC. Mr. Butters has been the Chairman, Chief Executive Officer and President of Navigator Holdings Ltd. since September 2008. He served as Managing Director of Lehman Brothers Inc., a subsidiary of Lehman Brothers Holdings, Inc. from 1969 to September 2008. He serves as the Chairman of Energy Ventures Inc. He served as the Chairman of Gulfmark Offshore, Inc. until November 14, 2017 and its Independent Director since 1989 until November 14, 2017. He served as the Chairman of the Board of Gulfmark International Inc. Mr. Butters served as Vice Chairman and Presiding Director at Weatherford International plc. He has been an Independent Director of Weatherford International plc since 1984. He has been a Director of Weatherford International, LLC since 1989. He serves as a Director of Navigator Holdings Ltd. He serves as a Director of BT Shipping Ltd., Anangel-American Shipholding and Acol Tankers Ltd. He has been a Director of Grant Prideco, Inc. since December 2001. He serves as a Member of the Board of Advisors of Energy International N. V. He served as a Director of GulfMark International Inc. from 1989 to May 1, 1997. He served as a Director of TransMontaigne LLC from October 9, 2003 to July 1, 2004 and Lehman Brothers Holdings, Inc. Mr. Butters holds a B.S. from Boston College and an M.B.A. from Columbia University Business School.

Mr. Niall J. Nolan, FCCA has been the Chief Financial Officer of Navigator Holdings Ltd., since August 2006. Mr. Nolan serves as the Chief Financial Officer of Navigator Gas Transport, PLC. He served as Finance Director of Simon Group PLC from March 21, 2003 to March 2004 and served as its Group Financial Controller since 2000. He served as Director of Simon Group PLC until March 2004.

Mr. Oeyvind Lindeman has been Chief Commercial Officer at Navigator Gas Transport PLC since January 2014. Mr. Lindeman has been the Chief Commercial Officer at Navigator Holdings Ltd. since January 2014 and served as its Chartering Manager of NGT Services (UK) since November 2007. He was appointed Chartering Manager of Navigator Gas Transport in November 2007. Prior to this, he was employed for five years at A.P. M???ller Maersk, a gas transport company as charterer. Mr. Lindeman holds a BA with honours from the University of Strathclyde and an Executive MBA with distinction from Cass Business School.

Mr. Tommy Hjalmas has been Director of Newbuildings and Special Projects at Navigator Holdings Ltd. since January 2015. Mr. Hjalmas served as the Chief Operating Officer at Navigator Holdings Ltd. from November 2006 to December 31, 2014. He serves as the Chief Operating Officer of Navigator Gas Transport, PLC. He was employed for five years at BSSM (formerly Dorchester Maritime Limited). He holds a BSc in Marine Engineering from the University of Chalmers.