X0306 4 2015-04-23 0 0001393818 Blackstone Group L.P. BX 0001394691 Goodman Bennett J C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK NY 10154 1 0 0 0 Common units representing limited partner interests 2015-04-23 4 A 0 476306 A 733493 D Common units representing limited partner interests 2015-04-23 4 A 0 158769 A 421271 I See footnote Common units representing limited partner interests 530319 I See footnote Blackstone Holdings partnership units 2015-03-18 5 G 0 E 1663008 D Common units representing limited partner interests 1663008 5627059 D Blackstone Holdings partnership units 2015-03-18 5 G 0 E 1663008 A Common units representing limited partner interests 1663008 1663008 I See footnote Blackstone Holdings partnership units Common units representing limited partner interests 199542 199542 I See footnote These units were issued as partial consideration in connection with the acquisition by the Blackstone Group L.P. of GSO Capital Partners L.P. These units are held by a limited liability company, of which the Reporting Person's spouse is the manager. These units are held by two limited liability companies, of which the Reporting Person is a manager. A "Blackstone Holdings partnership" unit collectively refers to one limited partner interest in each of Blackstone Holdings I L.P., Blackstone Holdings II L.P., Blackstone Holdings III L.P., and Blackstone Holdings IV L.P. Subject to the minimum retained ownership requirements and transfer restrictions set forth in the partnership agreements of the Blackstone partnerships, the holder has the rights, exercisable from time to time, to exchange each Blackstone Holdings partnership unit for one common unit of The Blackstone Group L.P. The Blackstone Holdings partnership units have no expiration date and may not be exchanged at any time prior to December 31, 2015 other than pursuant to transactions or programs approved by Blackstone. The Reporting Person disclaims beneficial ownership of the securities reported on this form except to the extent of his pecuniary interest. Tabea Y. Hsi as Attorney-In-Fact 2015-04-30