Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^{F1,F2,F4,F6,F12,F13,F14,F15}	May 14, 2015	S	79,063,114	$29.71	D	15,587,545	I	See Footnotes
Common Stock^{F1,F5,F6,F12,F13,F14,F15}	May 14, 2015	S	2,723,604	$29.71	D	13,749,289	I	See Footnotes
Common Stock^{F1,F7,F12,F13,F14,F15}	May 14, 2015	S	16,318	$29.71	D	82,238	I	See Footnotes
Common Stock^{F1,F8,F12,F13,F14,F15}	May 14, 2015	S	277,327	$29.71	D	1,397,649	I	See Footnotes
Common Stock^{F1,F9,F12,F13,F14,F15}	May 14, 2015	S	7,872,900	$29.71	D	39,738,987	I	See Footnotes
Common Stock^{F1,F10,F12,F13,F14,F15}	May 14, 2015	S	46,737	$29.71	D	235,542	I	See Footnotes
Common Stock^{F3,F4,F6,F12,F13,F14,F15}	holding	—	—		—	383,603,683	I	See Footnotes
Common Stock^{F11,F12,F13,F14,F15}	holding	—	—		—	237,430	I	See Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1This amount represents the $29.85 public offering price per share of Common Stock of Hilton Worldwide Holdings Inc. ("Common Stock"), less the underwriting discount of $0.14 per share of Common Stock.
F10Reflects shares of Common Stock held directly by HLT BREH Intl II Holdco LLC. The sole member of HLT BREH Intl II Holdco LLC is HLT BREH Intl II Holdings Holdco LLC. The controlling member of HLT BREH Intl II Holdings Holdco LLC is Blackstone Real Estate Holdings International II-Q L.P. The general partner of Blackstone Real Estate Holdings International II-Q L.P. is BREP International II-Q GP L.P. The general partner of BREP International II-Q GP L.P. is BREP International II-Q GP L.L.C. The sole member of BREP International II-Q GP L.L.C. is Blackstone Holdings III L.P.
F11Reflects shares of Common Stock held directly by Stephen A. Schwarzman.
F12The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. The sole member of Blackstone Holdings III GP Management L.L.C. is The Blackstone Group L.P. The general partner of The Blackstone Group L.P. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman.
F13Due to the limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.
F14Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.
F15Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.
F2Reflects shares of Common Stock held directly by HLT Holdco II LLC.
F3Reflects shares of Common Stock held directly by HLT Holdco III LLC.
F4HLT Holdco III LLC is a wholly-owned subsidiary of HLT Holdco II LLC. HLT Holdco II LLC is a wholly-owned subsidiary of HLT Holdco LLC. HLT Holdco LLC is a wholly-owned subsidiary of BH Hotels Holdco LLC ("BH Hotels").
F5Reflects shares of Common Stock held directly by HLT A23 Holdco LLC. HLT A23 Holdco LLC is a wholly-owned subsidiary of Blackstone A23 Holdings LLC.
F6The managing members of BH Hotels and Blackstone A23 Holdings LLC are Blackstone Real Estate Partners VI L.P. and Blackstone Capital Partners V L.P. The general partner of Blackstone Capital Partners V L.P. is Blackstone Management Associates V L.L.C. The sole member of Blackstone Management Associates V L.L.C is BMA V L.L.C. The general partner of Blackstone Real Estate Partners VI L.P. is Blackstone Real Estate Associates VI L.P. The general partner of Blackstone Real Estate Associates VI L.P. is BREA VI L.L.C. The managing member of each of BREA VI L.L.C. and BMA V L.L.C. is Blackstone Holdings III L.P.
F7Reflects shares of Common Stock held directly by HLT A23 BREH VI Holdco LLC. The sole member of HLT A23 BREH VI Holdco LLC is Blackstone Real Estate Holdings VI L.P. The general partner of Blackstone Real Estate Holdings VI L.P. is BREP VI Side-by-Side GP L.L.C. The sole member of BREP VI Side-by-Side GP L.L.C. is Blackstone Holdings III L.P.
F8Reflects shares of Common Stock held directly by HLT BREH VI Holdco LLC. The sole member of HLT BREH VI Holdco LLC is HLT BREH VI Holdings Holdco LLC. The controlling member of HLT BREH VI Holdings Holdco LLC is Blackstone Real Estate Holdings VI L.P. The general partner of Blackstone Real Estate Holdings VI L.P. is BREP VI Side-by-Side GP L.L.C. The sole member of BREP VI Side-by-Side GP L.L.C. is Blackstone Holdings III L.P.
F9Reflects shares of Common Stock held directly by HLT BREP VI.TE.2 Holdco LLC. The sole member of HLT BREP VI.TE.2 Holdco LLC is Blackstone Real Estate Partners VI.TE.2 L.P. The general partner of Blackstone Real Estate Partners VI.TE.2 L.P. is Blackstone Real Estate Associates VI L.P. The general partner of Blackstone Real Estate Associates VI L.P. is BREA VI L.L.C. The sole member of BREA VI L.L.C. is Blackstone Holdings III L.P.