Kathleen L. Quirk — CFO, Executive VP & Treasurer at Freeport-McMoran

Ms. Kathleen L. Quirk has been Senior Vice President and Treasurer at McMoRan Exploration Co. since April 2002 and January 2000. Ms. Quirk has been the Chief Financial Officer, Executive Vice President and Treasurer of Freeport-McMoRan Inc. since December 10, 2003, March 2007 and February 10, 2000 respectively. She served as Senior Vice President of Freeport-McMoRan Inc. from December 10, 2003 to March 2000. She has nineteen years of experience in the Freeport-McMoRan organization. She has played key roles in the Freeport-McMoRan Inc.'s financings and corporate transactions and she served as the Chief Financial Officer, Senior Vice President and Treasurer prior to the Phelps Dodge transaction. During her career, she has held positions of increasing responsibility in tax, investor relations, treasury and finance. She has been an Independent Director at Vulcan Materials Company since October 16, 2017. She has been the Commissioner of PT Freeport Indonesia at Freeport-McMoRan Inc. since April 2000. She served as a Director of Atlantic Copper. Ms. Quirk holds a BS in Accounting of Louisiana State University.