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VI. Amendment; Waiver

A. This Restrictive Covenant Agreement may not be modified, other than by a written
agreement executed by Contracting Employee and Blackstone, nor may any provision hereof be waived
other than by a writing executed by Blackstone.

B. The waiver by Blackstone of any particular default by Contracting Employee or any
employee of Blackstone, shall not affect or impair the rights of Blackstone with respect to any subsequent
default of the same or of a different kind by Contracting Employee or any employee of Blackstone; nor
shall any delay or omission by Blackstone to exercise any right arising from any default by Contracting
Employee affect or impair any rights that Blackstone may have with respect to the same or any future
default by Contracting Employee or any employee of Blackstone.

VII. Governing Law

This Restrictive Covenant Agreement and the rights and duties hereunder shall be governed by
and construed and enforced in accordance with the laws of the State of New York.

VIII. Resolution of Disputes; Submission to Jurisdiction; Waiver of Jury Trial

Any and all disputes, whether against Blackstone or any of its respective members, partners,
officers, employees or agents, which cannot be settled amicably, including any ancillary claims of any
party, arising out of, relating to or in connection with the validity, negotiation, execution, interpretation,
performance or non-performance of the Contracting Employment Agreement, including this Restrictive
Covenant Agreement (including the validity, scope and enforceability of this arbitration provision or
otherwise relating to Blackstone (including, without limitation, any claim of discrimination in connection
with Contracting Employee’s service as a Contracting Employee, partner or member of Blackstone or any
aspect of any relationship between Contracting Employee and Blackstone or any termination of
Contracting Employee’s employment or of any aspect of any relationship between Contracting Employee
and Blackstone)), shall be finally settled by arbitration conducted by a single arbitrator in New York in
accordance with the then-existing Rules of Arbitration of the International Chamber of Commerce or in
accordance with the applicable rules of such other forum as determined by Blackstone in its sole
discretion. If the parties to the dispute fail to agree on the selection of an arbitrator within thirty days of
the receipt of the request for arbitration, the International Chamber of Commerce shall make the
appointment. The arbitrator shall be a lawyer and shall conduct the proceedings in the English language.
Performance under this Restrictive Covenant Agreement shall continue if reasonably possible during any
arbitration proceedings. Notwithstanding the foregoing, Contracting Employee is not required to submit
claims of sexual harassment to arbitration.

A. Notwithstanding the provisions of this Section VIII, Blackstone may bring an action or
special proceeding in any court of competent jurisdiction for the purpose of compelling a party to
arbitrate, seeking temporary or preliminary relief in aid of an arbitration hereunder and/or enforcing an
arbitration award and, for the purposes of this Section VIII.A, Contracting Employee (i) expressly
consents to the application of this Section to any such action or proceeding, (ii) agrees that proof shall not
be required that monetary damages for breach of the provisions of this Restrictive Covenant Agreement
would be difficult to calculate and that remedies at law would be inadequate, and (iii) irrevocably
appoints the Chief Legal Officer of Blackstone as Contracting Employee’s agent for service of process in
connection with any such action or proceeding and agrees that service of process upon such agent, who
shall promptly advise Contracting Employee of any such service of process, shall be deemed in every
respect effective service of process upon Contracting Employee in any such action or proceeding.

B. CONTRACTING EMPLOYEE HEREBY IRREVOCABLY SUBMITS TO THE
JURISDICTION OF COURTS LOCATED IN NEW YORK, NEW YORK FOR THE PURPOSE OF

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