Black Stone Minerals Company Names New CFO.

HOUSTON -- Black Stone Minerals Company, L.P., one of the largest privately held royalty and fee mineral owners in the country, has announced the promotion of Marc Carroll to Chief Financial Officer. The promotion was effective January 1, 2008. Previously, he served as Vice President, Finance.

Mr. Carroll succeeds Ms. Hallie A. Vanderhider, who was recently promoted to President and COO. "I am happy to announce Marc's promotion to CFO," said Ms. Vanderhider. "Throughout his tenure, Marc has made a significant contribution to the organization and we look forward to continued growth with Marc in this vital role in our organization."

As CFO, Mr. Carroll is responsible for the finance and accounting functions, investor relations, credit relations, portfolio valuation, investor reporting and planning and analysis. Before joining Black Stone in 2004, Mr. Carroll was employed by El Paso Corporation in a variety of positions, including natural Gas Trader, Manager of Business Development and Manager of Financial Planning & Analysis. Prior to El Paso, Mr. Carroll served in various other positions at several Houston-based energy companies.

Black Stone Minerals Company, L.P., a privately-owned Delaware limited partnership located in Houston, Texas, owns and controls, either directly or through its institutionally supported partnerships, interests in more than 18,000 wells and approximately 16 million gross acres located in 40 states. With approximately 38.8 MMBOE of proved producing oil and gas reserves and an extensive inventory of prospective, undeveloped mineral acres, the company and its affiliates are projected to generate EBITDA of approximately $306.7 million for the year ended December 31, 2007.