X0306 4 2021-05-19 0 0001393818 Blackstone Group Inc BX 0001238989 JAMES HAMILTON E C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK NY 10154 1 1 0 0 Executive Vice Chairman Common Stock 2021-05-19 4 S 0 57431 87.12 D 71870 D Common Stock 2021-05-19 4 S 0 12744 87.53 D 59126 D Common Stock 2021-05-19 4 S 0 66149 87.12 D 82923 I See footnote Common Stock 2021-05-19 4 S 0 14553 87.53 D 68370 I See footnote Common Stock 2021-05-19 4 S 0 42648 87.14 D 47189 I See footnote Common Stock 2021-05-19 4 S 0 6475 87.54 D 40714 I See footnote Common Stock 2021-05-20 4 S 0 59126 89.37 D 0 D Common Stock 2021-05-20 4 S 0 68370 89.37 D 0 I See footnote Common Stock 2021-05-20 4 S 0 40714 89.37 D 0 I See footnote Common Stock 20497 I See footnote The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.49 to $87.48, inclusive. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price for all transactions reported on this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.49 to $87.63, inclusive. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price for all transactions reported on this Form 4. These securities are held in a trust for the benefit of the Reporting Person's children (the Children's Trust), of which the Reporting Person is a trustee, but the Reporting Person does not have or share investment control with respect to the units. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.51 to $87.50, inclusive. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price for all transactions reported on this Form 4. These securities are held in a trust for the benefit of the Reporting Person's grandchildren (the Grandchildren's Trust), of which the Reporting Person is a trustee. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.51 to $87.59, inclusive. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price for all transactions reported on this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.97 to $89.72, inclusive. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price for all transactions reported on this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.97 to $89.70, inclusive. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price for all transactions reported on this Form 4. These securities are held in a limited liability company beneficially owned by the Reporting Person, his spouse and a trust for the benefit of the Reporting Person's children. The Reporting Person disclaims beneficial ownership of the securities reported on this form except to the extent of his pecuniary interest. Tabea Hsi as Attorney-In-Fact 2021-05-20