Board of Directors

Mr. Carter has served as Chairman and Chief Executive Officer of the General Partner since November 2014. Mr. Carter served as President of the General Partner from November 2014 to June 2018 and returned to the position in February 2023. Mr. Carter founded BSMC, our predecessor, and served as President, Chief Executive Officer, and Chairman of Black Stone Natural Resources, L.L.C. (“BSNR”), the former general partner of BSMC, from 1998 to 2015. Mr. Carter served as Managing General Partner of W.T. Carter & Bro. from 1987 to 1992 and Black Stone Energy Company from 1980 to present, both of which preceded the General Partner. Mr. Carter founded Black Stone Energy Company, BSMC’s operating and exploration subsidiary, in 1980. From 1978 to 1980, Mr. Carter served as a lending officer in the Energy Department of Texas Commerce Bank in Houston, Texas, after serving in various other roles from 1975. Mr. Carter received M.B.A. and B.B.A. degrees from the University of Texas at Austin. Mr. Carter served as a director of Carrizo Oil & Gas Inc. from 2005 to 2019. Mr. Carter currently serves as a Trustee Emeritus of The Lawrenceville School.

Mr. Carter’s extensive industry and executive management experience and his background in finance qualify him to serve on the Board.

Ms. Barth has served as a director of the General Partner since March 2015. She has served as President of LB Capital, Inc., a private capital firm she co-founded in 1988, since 2005. She has also served on the boards of directors of Enterprise Products Holdings LLC since 2015; Group 1 Automotive, Inc. since 2017; and she has served as a trustee of The Welch Foundation since 2012. She has served as an Operating Partner of Mountain Capital Management, LLC, an energy-focused private-equity firm, since 2022 and serves on the boards of two of its portfolio companies. Ms. Barth served on the boards of directors of BBVA USA Bancshares, Inc. (a subsidiary of BBVA Group) from January 2020 until May 2021; Halcón Resources Corporation from April 2019 to October 2019; Western Refining, Inc., a public crude oil refiner and marketer of refined products, from 2006 to 2016; and the Bill Barrett Corporation, a public oil and natural gas exploration and development company, from 2012 to 2016. From 2007 to 2021, she served as a board member of The Ronald McDonald House of Houston. From 2008 to 2014, she served as a Commissioner to the Department of Public Safety for the State of Texas. She served as a member of the board of regents of Texas Tech University from 1999 to 2005 and was Chairman of the University’s endowment from 2001 to 2005, 2006 to 2010, and was again appointed as Chairman in 2012 to 2018. During 2004 to 2005, Ms. Barth took a leave of absence from LB Capital, Inc., to serve as Chief Financial Officer of the U.S. Department of Housing and Urban Development in Washington, D.C. From September 2006 to July 2007, she also served as Interim Senior Vice President of Finance and Administration (CFO) at Texas Southern University.

Except as listed above, Ms. Barth has not served as a director of a publicly traded company or a registered investment company in the past five years. Ms. Barth received a B.S. from the University of Alabama, summa cum laude, and a M.B.A. from the Owen Graduate School of Management at Vanderbilt University.

Ms. Barth’s experience in varied financial matters, including as chief financial officer for several entities, her experience with mergers and acquisitions, her experience in operating a private capital company and her service on numerous public and private company boards are key attributes, among others, that make her well qualified to serve on the Board.

Mr. DeWalch has served as director of the General Partner since March 2015. Mr. DeWalch served as director of BSNR from 2009 to 2015. Mr. DeWalch also serves as President of DeWalch Holdings LLC, co-owner of DeWalch Holdings LLC, and as President and Manager of DeWalch Investments, LLC, DeWalch Diversified GP LLC, and other DeWalch-related entities. Mr. DeWalch served as Executive Vice President and Chief Financial Officer of DeWalch Technologies, Inc. from 1993 to 2022 and was a co-owner of DeWalch Technologies, Inc. from 1995 to 2022. Mr. DeWalch served on the board of directors of DeWalch Technologies, Inc. from 1985 to 2022. Mr. DeWalch began his career in commercial banking in New York with the Irving Trust Company where he served as a lending officer. Mr. DeWalch currently serves on the board of directors of Texas Children’s Hospital and on the board of visitors of South Texas College of Law. He received M.B.A. and B.B.A. degrees from the University of Texas at Austin.

Mr. DeWalch provides valuable financial expertise to the Board due to his background in commercial banking, as well as a unique operational perspective due to his experience with DeWalch Technologies, Inc.

Mr. Kyle has served as director of the General Partner since March 2015. Mr. Kyle served as director of BSNR from January 2013 to 2015. Mr. Kyle has been a Partner at Orrick, Herrington & Sutcliffe LLP since 2018. From 2002 until 2018, Mr. Kyle was a Partner at Andrews Kurth Kenyon LLP. Mr. Kyle received his J.D. from the University of Texas School of Law in 1990 and his B.A. from The Colorado College in 1984. He is a member of the Texas Bar Foundation and the Austin Bar Association.

Mr. Kyle’s extensive experience as a lawyer practicing in matters related to finance, lending, securities issuance and regulation, and legislative and regulatory affairs qualify him to serve on the Board.

Mr. Linn has served as a director of the General Partner since March 2015. Mr. Linn served as director of BSNR from January 2013 to 2015. Mr. Linn is the founder of Linn Energy LLC and served as a director of Linn Energy LLC from December 2011 to 2017. Prior to such time, he was Executive Chairman of the board of directors of Linn Energy LLC since January 2010 and Chairman and Chief Executive Officer of Linn Energy, LLC from December 2007 to January 2010. Following his retirement as Executive Chairman of the board of directors of Linn Energy LLC in December 2011, Mr. Linn formed MCL Ventures LLC, a private investment vehicle that focuses on purchasing oil and natural gas royalty interests as well as non-operated interests in oil and natural gas wells. Mr. Linn has served as President and CEO of MCL Ventures LLC since 2012. Mr. Linn has also served as a member of the board of directors of Nabors Industries Ltd. since 2012 (where he served as Chairman of its compensation committee from 2012 until 2020 and has served as Chairman of its ESG committee since 2020), a senior advisor to Quantum Energy Partners since 2012 and a member of the board of managers of Cavallo Mineral Partners, LLC and Wireline Holding Company, LLC. Mr. Linn served as a member of the board of directors and Chairman of the conflicts committee of Western Refining GP, LLC from 2013 to 2017, a member of the board of directors of Centrica plc from June 2013 to April 2016, and Chairman of the SHESEC Committee of Centrica plc, and as a member of the board of directors and compensation committee of Jagged Peak Energy from 2017 to 2019. Mr. Linn received his J.D., cum laude, from the University of Baltimore School of Law in 1977 and his B.A. cum laude from Villanova University in 1974.

Mr. Linn’s many years of experience as the Chief Executive Officer of a publicly traded oil and natural gas master limited partnership, as well as his deep industry knowledge and prior public company board experience, make him particularly well suited to serve on the Board.

Mr. Longmaid has served as a director of the General Partner since March 2024. Mr. Longmaid has been Director of Operations at Burr Yacht Sales South, a yacht dealer in Stuart, Florida, since 2015. In 2020, he formed C Level Aviation LLC, which is currently a part owner of Sky Blue Jet Aviation, a flight school, service center, and aircraft dealer and broker operating out of North County Palm Beach and Sebastian, Florida. From 2005 to 2020, Mr. Longmaid operated Longmaid Charters, LLC, a charter company. Prior to that, he was a financial advisor at Morgan Stanley Dean Witter in Boston, Massachusetts. He serves on the board of trustees of The Pine School in Hobe Sound, Florida and as a Committee Member of Winter Harbor Yacht Club in Winter Harbor, Maine. Mr. Longmaid holds a B.S. degree from Roger Williams University.

Mr. Longmaid’s experience operating private companies and his family’s multi-generational ownership in the Partnership and its predecessors make him well qualified to serve on the Board.

Mr. Mathis has served as director of the General Partner since March 2015. Mr. Mathis served as director of BSNR from 2009 to 2015. Since 2001, he has been the managing partner of Conti Street Partners LLC, an investment company in Houston, Texas. He has served on the board of directors of Highland Resources, Inc. since 2004 and the board of directors of The GRB Partnership since 1998 and has been chairman of Australis Aquaculture LLC since 2009. He has also served as managing member of Wellspring Energy Partners, L.P. since 2012. Mr. Mathis served on the board of directors of Wilson Industries Inc. from 1994 to 1998, Paradigm Services LP from 1998 to 2008, and EnTouch Communications from 1999 to 2007. In addition, Mr. Mathis served on the board of directors and executive committee of Davidson College and currently serves on the boards of directors of The Museum of Fine Arts – Houston, The Chinquapin School, The Brown Foundation Inc. of Houston, The Texas Medical Center, and Texas Children’s Hospital. Mr. Mathis is a graduate of Davidson College.

Mr. Mathis’s extensive experience in the oil and natural gas industry as well as extensive director-level corporate governance expertise qualify him to serve on the Board.

Mr. Randall has served as director of the General Partner since June 2017. Mr. Randall has been a commercial real estate developer since 2001, and owns, manages, and leases retail shopping centers in the greater Houston, Texas area in various single purpose entities not affiliated with the Partnership. Additionally, Mr. Randall is an active manager in family investments, including venture capital, farming and ranching operations, and stock portfolios. Mr. Randall is a retired Navy Captain with over 30 years of service in active and reserve component commands leading troops in combat and peace time operations. Mr. Randall currently serves on the board of directors of the Wayne Duddlesten Foundation. Mr. Randall received his B.S. from the United States Naval Academy in 1990 and M.B.A. from Rice Business School in 2001.

Mr. Randall provides valuable investment and acquisition expertise to the Board due to his background in commercial real estate development, as well as a unique perspective due to his service as a Captain in the Naval Reserve.

Mr. Stuart has served as director of the General Partner since March 2015. Mr. Stuart served as director of BSNR from 1990 to 2015. He has been the President of North Star Investments, an investment firm responsible for identifying and managing a wide variety of assets, since 2004 and has served as the managing partner of RDS Investments, a limited partnership with extensive holdings in private equity, venture capital, real estate, energy, and publicly traded stocks and bonds since 2005. Mr. Stuart became a trustee of Lake Forest College in 2012 and St. Andrews School in 2009 and serves on the endowment committees for both institutions. Since 2006, Mr. Stuart has been a director of Northwestern Lake Forest Hospital and is also a member of the investment committee for the parent organization, Northwestern Memorial Hospital. Mr. Stuart received his A.B. from Princeton University and his M.B.A. from Harvard Business School.

Mr. Stuart’s investment management experience and experience serving as a director of BSNR qualify him to serve on the Board.

Mr. Whitehead has served as director of the General Partner since July 2023. He has been the Alternative Investments Manager of R. Lacy Services, Ltd., a private oil & gas company, since 2020. From 2005 until he left to join R. Lacy Services, Ltd., he worked at the Partnership in various capacities, most recently as Director of Enterprise Operations Optimization. Mr. Whitehead has also served on the Board of Managers of R. Lacy Services, GP, LLC, since 2020. He currently serves on the board of trustees of Episcopal High School in Houston. He received a B.S. from Vanderbilt University and an M.B.A from the Jones Graduate School of Business at Rice University.

Mr. Whitehead’s oil and gas expertise, including his experience working at the Partnership, qualify him to serve on the Board.