Company: BSM
Filing Date: 2025-04-30
Form Type: DEF 14A
Source: 0001193125-25-107202
Chunk: 18

Company: Black Stone Minerals, L.P.
Filing Date: 2025-04-30
Form: DEF 14A
Chunk 18
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 on the finance and endowment committees for both institutions. Since 2006, Mr. Stuart has been a director of Northwestern Lake Forest Hospital. Mr. Stuart received his A.B. from Princeton University and his M.B.A. from Harvard Business School.

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#### Mr. Stuart’s investment management experience and experience serving as a director of BSNR qualify him to serve on the Board.James W. Whitehead.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 for the Partnership, qualify him to serve on the Board.12
GOVERNANCE MATTERS Corporate Governance Guidelines The Board believes that sound governance practices and policies provide an important framework to assist it in fulfilling its duty to unitholders. Our Corporate Governance Guidelines cover the following principal subjects:

| • |     | the size of the Board; |

| • |     | qualifications and independence standards for the Board; |

| • |     | director responsibilities; |

| • |     | meetings of the Board and of non-management directors; |

| • |     | committee functions and independence of committee members; |

| • |     | compensation of the Board; |

| • |     | self-evaluation and succession planning; |

| • |     | unitholder communications with directors; and |

| • |     | access to management and to independent advisors. |

The Corporate Governance Guidelines are available on our website at www.blackstoneminerals.comunder the “Corporate Governance” subsection of the “Investors” section. The Corporate Governance Guidelines will be reviewed periodically and as necessary by our Nominating and Governance Committee, and any proposed additions to or amendments of the Corporate Governance Guidelines will be presented to the Board for its approval. The NYSE has adopted rules that require listed companies