8 .. 11 CK STONE IPAA OGIS New York April 9, 2019 www.blackstoneminerals.com | NYSE: BSM Forward-Looking Statements This presentation contains "forward-looking statements" within the meaning of the securities laws. All statements, other than statements of historical fact, included in this presentation that address activities, events, or developments that Black Stone Minerals, L.P. ("Black Stone Minerals," "Black Stone," "the Partnership," or "BSM") expects, believes, or anticipates will or may occur in the ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 For the transition period _______________ to _______________ Commission file number 001-37362 Black Stone Minerals, L.P. (Exact Name of Registrant As Specified in Its Charter) Delaware 47-1846692 (State or Oth ...