BOARD OF DIRECTORS

Robert M. Tichio

Mr. Tichio has been a member of our Board since September 2013. Mr. Tichio is a Partner of Riverstone Holdings LLC and joined Riverstone in 2006. Prior to joining Riverstone, Mr. Tichio was in the Principal Investment Area of Goldman Sachs which manages the firm's private corporate equity investments. Mr. Tichio began his career at J.P. Morgan in the Mergers & Acquisitions group where he concentrated on assignments that included public company combinations, asset sales, takeover defenses and leveraged buyouts. Mr. Tichio became a director of Pipestone Energy Corp. in January 2019. He is on the board of directors of Talos Energy Inc. and has been since April 2012. Talos Energy Inc. became publicly traded in 2018. Mr. Tichio has been a director of Centennial Resource Development, Inc. since October 2016. Mr. Tichio is also a director of a number of private portfolio companies and structuring vehicles sponsored by Riverstone Holdings LLC. Mr. Tichio previously served as a member of the board of directors of Gibson Energy (TSE:GEI) from 2008 to 2013, Midstates Petroleum Company, Inc. from 2012 to 2015 and Northern Blizzard Resources Inc. from June 2011 to May 2017. He holds an MBA from Harvard Business School and a bachelor's degree from Dartmouth College.

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