Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated February 27, 2009, relating to the consolidated and combined financial statements of The Blackstone Group L.P. and subsidiaries (“Blackstone”), the statement of financial condition of Blackstone Group Management L.L.C., and the effectiveness of Blackstone’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of Blackstone for the year ended December 31, 2008.
/s/ DELOITTE & TOUCHE LLP
New York, New York
March 2, 2009
