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agrees to keep and maintain adequate, current and accurate written records of all Blackstone Work
Product during the term of Contracting Employee’s employment with Blackstone, and to promptly and
fully disclose same to Blackstone. If Blackstone is unable for any reason to secure Contracting
Employee’s signature on any document for this purpose, then Contracting Employee hereby irrevocably
designates and appoints Blackstone and its Chief Legal Officer or designee as Contracting Employee’s
agent and attorney in fact (such appointment to be a right coupled with an interest and irrevocable), to act
for and in Contracting Employee’s behalf and stead to execute such document and do all other lawfully
permitted acts in connection with the foregoing.

B. All Works owned by the Contracting Employee or in which the Contracting Employee
has an ownership interest prior to the Contracting Employee’s employment with Blackstone and which
relate to Blackstone’s actual or anticipated business, products, research or development (“Prior Works”)
are set forth on Appendix B hereof. Contracting Employee represents that, (i) if no such list is attached,
there are no such Prior Works; and (ii) if any Prior Works are listed, such Prior Works will not materially
affect the Contracting Employee’s ability to perform all obligations under the Agreement. If Contracting
Employee uses or incorporates any Prior Works (or portion thereof) in any Blackstone product or service
or otherwise in the course of Contracting Employee’s employment with Blackstone, Contracting
Employee grants to Blackstone an irrevocable, perpetual, royalty-free, sublicensable, assignable, non-
exclusive worldwide license to exercise all rights under any Prior Works (and any IPR therein).

C. In the event that Contracting Employee’s employment with Blackstone is terminated for
any reason, Contracting Employee (i) will return to Blackstone any Blackstone Work Product and
Confidential Information and all copies thereof, in whatever form or medium, and whether located or
stored in Contracting Employee’s home, office, personal computer or other device and (ii) will not use
any Blackstone Work Product or other IPR, including any Blackstone trademarks, logos, trade dress and
other source identifiers, except that the Contracting Employee may use the name “Blackstone” in plain
text (and not in logo form), in a neutral, non-trademark manner solely as required to describe the
Contracting Employee’s former employment by Blackstone, and not to indicate or suggest any
endorsement of Contracting Employee by (or affiliation with) Blackstone. Furthermore, Contracting
Employee agrees that, during and at any time after Contracting Employee’s employment with Blackstone,
Contracting Employee will not, in any context, directly or indirectly, or through any agent or affiliate,
including, without limitation, any firm or investment fund with which Contracting Employee becomes
affiliated or endeavors to establish, nor any other employee, agent or representative of such firm or fund,
use any Blackstone Work Product or other IPR, including the names of any Blackstone Entities,
trademarks, logos, trade dress and other source identifiers, or other matters pertaining to the branding of
Blackstone, to impersonate, misrepresent or otherwise misappropriate the name or brand of Blackstone.

D. Without limiting the foregoing, Contracting Employee agrees that, during and at any time
after Contracting Employee’s employment with Blackstone, Contracting Employee will not, in any
context, directly or indirectly, or through any agent or affiliate, including, without limitation, any firm or
investment fund with which Contracting Employee becomes affiliated or endeavors to establish, nor any
other employee, agent or representative of such firm or fund, use any title to describe Contracting
Employee’s position at Blackstone other than the title(s) that Contracting Employee actually and
officially held at Blackstone. In addition, Contracting Employee agrees that, during and at any time after
Contracting Employee’s employment with Blackstone, he or she will not, in any context, directly or
indirectly, or through any agent or affiliate, including, without limitation, any firm or investment fund
with which Contracting Employee becomes affiliated or endeavors to establish, nor any other employee,
agent or representative of such firm or fund, overstate or otherwise misrepresent Contracting Employee’s
position, job duties, responsibilities, or achievements that are or were held, performed, or attained during
the period of Contracting Employee’s employment at Blackstone, including that Contracting Employee
will not, directly or indirectly, or through any agent or affiliate, including, without limitation, any firm or
investment fund with which Contracting Employee becomes affiliated or endeavors to establish, nor any

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