Exhibit 99.A

Exhibit A

JOINT FILING AGREEMENT

Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder (the “Exchange Act”) the undersigned hereby agree to the joint filing of Hilton Hotels Holdings LLC; Blackstone A23 Holdings LLC; BH Hotels Holdco LLC; Blackstone Real Estate Partners VI L.P.; Blackstone Capital Partners V L.P.; Blackstone Management Associates V L.L.C.; BMA V L.L.C.; Blackstone Real Estate Associates VI L.P.; BREA VI L.L.C.; Blackstone Holdings III L.P.; Blackstone Holdings III GP L.P.; Blackstone Holdings III GP Management L.L.C.; The Blackstone Group L.P.; Blackstone Group Management L.L.C. and Stephen A. Schwarzman, on behalf of each of them of any filing required by such party under Section 13 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with respect to securities of Hilton Worldwide Holdings Inc., a Delaware corporation, and further agree to the filing, furnishing, and/or incorporation by reference of this Agreement as an exhibit thereto. Each of them is responsible for the timely filing of such filings and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate. This Agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party. This Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement this 14th day of February 2014.

HILTON HOTELS HOLDINGS LLC
	By: BH Hotels Holdco LLC, its sole member
	By: Blackstone Real Estate Partners VI L.P., its sole member
	By: Blackstone Real Estate Associates VI L.P., its general partner
	By: BREA VI L.L.C., its general partner
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE A23 HOLDINGS LLC
	By: Blackstone Real Estate Partners VI L.P., its managing member
	By: Blackstone Real Estate Associates VI L.P., its general partner
	By: BREA VI L.L.C., its general partner
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BH HOTELS HOLDCO LLC
	By: Blackstone Real Estate Partners VI L.P., its managing member
	By: Blackstone Real Estate Associates VI L.P., its general partner

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	By: BREA VI L.L.C., its general partner
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE REAL ESTATE PARTNERS VI L.P.
	By: Blackstone Real Estate Associates VI L.P., its general partner
	By: BREA VI L.L.C., its general partner
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE REAL ESTATE ASSOCIATES VI L.P.
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BREA VI L.L.C.
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE CAPITAL PARTNERS V L.P.
By: Blackstone Management Associates V L.L.C., its general partner
	By: BMA V L.L.C., its managing member
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE MANAGEMENT ASSOCIATES V L.L.C.
By: BMA V L.L.C., its managing member
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BMA V L.L.C.
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE HOLDINGS III L.P.
By: Blackstone Holdings III GP L.P., its general partner
By: Blackstone Holdings III GP Management L.L.C., its general partner

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By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE HOLDINGS III GP L.P.
By: Blackstone Holdings III GP Management L.L.C., its general partner
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE HOLDINGS III GP MANAGEMENT L.L.C.
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
THE BLACKSTONE GROUP L.P.
By: Blackstone Group Management L.L.C., its general partner
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
BLACKSTONE GROUP MANAGEMENT L.L.C.
By:	/s/ John G. Finley
Name:	John G. Finley
Title:	Chief Legal Officer
STEPHEN A. SCHWARZMAN
By:	/s/ Stephen A. Schwarzman
Name:	Stephen A. Schwarzman

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