Ms. Trent was appointed to the Supervisory Board in January 2019. Ms. Trent served in various legal, administrative and compliance capacities for Rowan Companies plc (NYSE: RDC), a global offshore drilling contractor active in the Middle East, United Kingdom, Norway, Gulf of Mexico and Trinidad, from 2005 until April 2017, including as an Executive Vice President, General Counsel and Chief Administrative Officer from 2014 until April 2017, as Senior Vice President, Chief Administrative Officer and Company Secretary from 2011 until 2014, as Vice President and Corporate Secretary from 2010 until 2011, and in various other legal and compliance roles from 2005 to 2010. Prior to her tenure at Rowan Companies plc, Ms. Trent was an independent contractor from 2004 to 2005, and served in various legal, administrative and investor relations capacities for Reliant Energy Incorporated (and its predecessor Houston Industries), a commercial and residential electric utility business, from 1998 until 2003 and in various legal capacities for Compaq Computer Corporation from 1996 until 1998 prior to its acquisition by Hewlett-Packard in 2013. Prior to these positions, Ms. Trent was an associate at Andrews Kurth LLP practicing corporate and securities law from 1991 until 1996. Ms. Trent currently serves as a director of Diamondback Energy, Inc, an independent oil and natural gas company (NASDAQ: FANG) focused on the acquisition, development, exploration and exploitation of unconventional, onshore oil and natural gas reserves in the Permian Basin in West Texas, since April 2018, as well as on its Audit, Compensation and Nominating Committees. She also currently serves as a director of Arcosa, Inc. (NYSE: ACA), a provider of infrastructure-related products and solutions, with leading positions in construction, energy and transportation markets, since November 2018, as well as on its Audit and Corporate Governance and Directors Nominating Committees. Ms. Trent holds a Bachelor’s degree from Middlebury College and holds a Juris Doctorate degree from Georgetown University Law Center. We believe that Ms. Trent’s strong legal and executive management experience, diverse background and knowledge of oil and gas and energy industries qualify her to serve as a supervisory director.