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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: March 31, 2008
Check here if Amendment [X]; Amendment Number: 1
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: The Blackstone Group L.P.
Address: 345 Park Avenue
New York, NY 10154
Form 13F File Number: 28-13114
The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Robert L. Friedman
Title: Authorized Person
Phone: (212) 583-5000
Signature, Place, and Date of Signing:
/s/ Robert L. Friedman New York June 6, 2008
------------------------- ------------------ ------------
[Signature] [City, State] [Date]
Report Type (Check only one):
[X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
are reported in this report.)
[ ] 13F NOTICE. (Check here if no holdings reported are in this report, and
all holdings are reported by other reporting manager(s).)
[ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for
this reporting manager are reported in this report and a portion are
reported by other reporting manager(s).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 1
Form 13F Information Table Entry Total: 1
Form 13F Information Table Value Total: $13,653 (thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
Number Form 13F File Number Name
------ -------------------- -----------------------
3 28-12332 GSO Capital Partners LP
Explanatory Notes:
The Blackstone Group L.P. is managed and operated by its general partner,
Blackstone Group Management L.L.C., which is in turn wholly-owned by
Blackstone's senior managing directors and controlled by its two founders,
Mr. Stephen A. Schwarzman and Mr. Peter G. Peterson.
FORM 13F INFORMATION TABLE
THE BLACKSTONE GROUP L.P.
FOR QUARTER ENDED MARCH 31, 2008
Name of Issuer Title of CUSIP Value (x Shrs or prn SH/ Put/ Investment Other Voting Authority
Class $1000) amt PRN Call Discretion Managers
------------------------------- -------- --------- -------- ----------- --- ---- ---------- -------- ------------------
Sole Shared None
---- ------ ----
Eagle Rock Energy Partners, L.P. UNIT 26985R104 $13,653 948,141 SH SOLE 3 X