Company: BSM
Filing Date: 2025-08-27
Form Type: 8-K
Source: 0001621434-25-000119
Chunk: 0

Company: Black Stone Minerals, L.P.
Filing Date: 2025-08-27
Form: 8-K
Item: Item 1.01
Chunk 0
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Item 1.01. Entry into a Material Definitive Agreement.

On August 22, 2025 (the “ Execution Date”), Black Stone Minerals, L. P. (the “ Partnership”) and AP Basileia SPV, LLC (the “ Unitholder”) entered into a Unitholder Agreement (the “ Unitholder Agreement”), pursuant to which (i) the Unitholder agreed to vote all of its preferred units representing limited partner interests in the Partnership (the “ Preferred Units”) and any other securities of the Partnership acquired in accordance with the terms of the Unitholder Agreement (the “ Acquired Securities”) in accordance with the recommendations of the Board of Directors of the General Partner of the Partnership on all ordinary course matters submitted for approval of the limited partners of the Partnership and (ii) the Partnership agreed not to exercise its right to redeem the Preferred Units, in each case, during the period commencing on the Execution Date and ending on November 27, 2027 (the “ Termination Date”). In addition, during the period commencing on the Execution Date and ending on the Termination Date, the Unitholder agreed to a customary standstill with respect to the Partnership and agreed not the transfer any Preferred Units or Acquired Securities unless the transferee agrees in writing to be bound by the provisions of the Unitholder Agreement applicable to the Unitholder, subject to certain exceptions.

The foregoing description of the Unitholder Agreement is not complete and is qualified in its entirety by reference to the full text of the Unitholder Agreement, which is attached as Exhibit 10.1 to this Current Report on Form 8-K and incorporated by reference into this Item 1.01.