Diana J. Walters has served on the Board since December 2024. Ms. Walters is currently managing partner of Amichel, LLC, a company engaged in financial advisory/consulting services and equestrian activities, since she founded it in 2000 and serves as senior advisor of Independence Point Advisors, an investment bank, since January 2022. Previously, Ms. Walters served as President and chief executive officer of Liberty Metals and Mining Holdings, LLC, a subsidiary of Liberty Mutual that made specialized investments in the metals and mining sector, from January 2010 to September 2014, senior vice president of Liberty Mutual Asset Management Inc., an asset management subsidiary of Liberty Mutual Holding Company Inc., from January 2010 to September 2014, managing partner of Eland Capital, LLC, a natural resources advisory firm founded by her, from August 2008 to January 2011, and chief financial officer of Tatham Offshore, Inc., an oil and gas company, from 1993 to 1996. Ms. Walters also served in numerous roles in the private equity, investment banking, capital markets, and advisory sectors. She currently serves on the boards of Trilogy Metals Inc. since 2015 and Platinum Group Metals Limited since 2013, where she is Chair and previously served on the board of Atmos Energy Corp. from November 2018 to January 2025. She received her Bachelor of Arts in the Plan II Honors Program and a Master of Arts in Energy and Mineral Resources from The University of Texas at Austin. Skills and Qualifications: Ms. Walters is qualified to serve on the Board based on her more than 35 years of leadership experience in the natural resources sector, including energy, power and mining/metals and her experience in private equity, investment banking, capital markets and advisory sectors.