Name of reporting persons:

SW DELAWARE L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    30,668,178

Shared voting power:

    0

Sole dispositive power:

    30,668,178

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    30,668,178

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    33.4%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW DELAWARE A L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    957,268

Shared voting power:

    0

Sole dispositive power:

    957,268

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    957,268

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    1.0%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW DELAWARE B L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    1,076,614

Shared voting power:

    0

Sole dispositive power:

    1,076,614

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    1,076,614

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    1.2%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW DELAWARE C L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    982,244

Shared voting power:

    0

Sole dispositive power:

    982,244

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    982,244

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    1.1%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW DELAWARE D L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    352,879

Shared voting power:

    0

Sole dispositive power:

    352,879

Shared dispositive power:

    352,879

Aggregate amount beneficially owned by each reporting person:

    352,879

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    0.4%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW DELAWARE E L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    1,105,873

Shared voting power:

    0

Sole dispositive power:

    1,105,873

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    1,105,873

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    1.2%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW DELAWARE F L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    864,274

Shared voting power:

    0

Sole dispositive power:

    864,274

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    864,274

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    0.9%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW DELAWARE CO-INVEST L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    1,316,333

Shared voting power:

    0

Sole dispositive power:

    1,316,333

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    1,316,333

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    1.4%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW DELAWARE (GS) L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    1,441,534

Shared voting power:

    0

Sole dispositive power:

    1,441,534

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    1,441,534

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    1.6%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW DELAWARE (GSO) L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    480,511

Shared voting power:

    0

Sole dispositive power:

    480,511

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    480,511

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    0.5%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

SW Cayman Limited

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Cayman Islands

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    39,245,708

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    OO

Name of reporting persons:

BLACKSTONE CAPITAL PARTNERS (CAYMAN III) V L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    39,245,708

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

BLACKSTONE MANAGEMENT ASSOCIATES (CAYMAN) V L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    39,245,708

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

BCP V GP L.L.C.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    39,245,708

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    OO

Name of reporting persons:

BLACKSTONE HOLDINGS III L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Quebec, Canada

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    0

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

BLACKSTONE HOLDINGS III GP L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    39,245,708

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

BLACKSTONE HOLDINGS III GP MANAGEMENT L.L.C.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    39,245,708

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    OO

Name of reporting persons:

THE BLACKSTONE GROUP L.P.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    39,245,708

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    PN

Name of reporting persons:

BLACKSTONE GROUP MANAGEMENT L.L.C.

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    39,245,708

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    OO

Name of reporting persons:

STEPHEN A. SCHWARZMAN

Check the appropriate box if a member of a group

(a)  ¨        (b)  x

SEC use only

Citizenship or place of organization:

    United States

Number of

shares

beneficially

owned by

each

reporting

person

with

Sole voting power:

    39,245,708

Shared voting power:

    0

Sole dispositive power:

    39,245,708

Shared dispositive power:

    0

Aggregate amount beneficially owned by each reporting person:

    39,245,708

Check box if the aggregate amount in Row (9) excludes certain shares (see instructions)    ¨

Percent of class represented by amount in Row (9):

    42.8%

Type of reporting person (see instructions):

    IN

9205 South Park Center Loop, Suite 400

Orlando, Florida, 32819

SW Delaware L.P. directly holds 30,668,178 shares of Common Stock; SW Delaware A L.P. directly holds 957,268 shares of Common Stock; SW Delaware B L.P. directly holds 1,076,614 shares of Common Stock; SW Delaware C L.P. directly holds 982,244 shares of Common Stock; SW Delaware D L.P. directly holds 352,879 shares of Common Stock; SW Delaware E L.P. directly holds 1,105,873 shares of Common Stock; SW Delaware F L.P. directly holds 864,274 shares of Common Stock; SW Delaware Co-Invest L.P. directly holds 1,316,333 shares of Common Stock; SW Delaware (GS) L.P. directly holds 1,441,534 shares of Common Stock and SW Delaware (GSO) L.P. (together, the “Partnerships”) directly holds 480,511 shares of Common Stock.

Under the terms of the partnership agreements of the Partnerships, the general partner determines any voting and dispositions decisions with respect to the shares of Common Stock held by the Partnerships. In certain circumstances, Blackstone and certain co-investors in the Partnerships are permitted to surrender their interests in the Partnerships to the Partnerships and receive shares of Common Stock held by the Partnerships.

The general partner of each of the Partnerships is SW Cayman Limited. SW Cayman Limited is wholly owned by Blackstone Capital Partners (Cayman III) V L.P. The general partner of Blackstone Capital Partners (Cayman III) V L.P. is Blackstone Management Associates (Cayman) V L.P. The general partner of Blackstone Management Associates (Cayman) V L.P. is BCP V GP L.L.C. The sole member of BCP V GP L.L.C. is Blackstone Holdings III L.P.

The 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.

Each such Reporting Person may be deemed to beneficially own the Common Stock beneficially owned by the Partnerships directly or indirectly controlled by it or him, but neither the filing of this Schedule 13G nor any of its contents shall be deemed to constitute an admission that any Reporting Person (other than the Partnerships to the extent they directly hold shares of Common Stock) is the beneficial owner of Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose and each of the Reporting Persons expressly disclaims beneficial ownership of such shares of Common Stock. The filing of this statement should not be construed to be an admission that any member of the Reporting Persons are members of a “group” for the purposes of Sections 13(d) and 13(g) of the Act.

(a)    Amount beneficially owned:

Calculations of the percentage of shares of Common Stock beneficially owned assume 91,785,717 shares of Common Stock outstanding as disclosed in the final prospectus of the Company filed pursuant to Rule 424(b)(4) on December 12, 2013. As of the date hereof, each of the Reporting Persons may be deemed to be the beneficial owner of the shares of Common Stock listed on such Reporting Person’s cover page.

SW Delaware L.P. directly holds 30,668,178 shares of Common Stock; SW Delaware A L.P. directly holds 957,268 shares of Common Stock; SW Delaware B L.P. directly holds 1,076,614 shares of Common Stock; SW Delaware C L.P. directly holds 982,244 shares of Common Stock; SW Delaware D L.P. directly holds 352,879 shares of Common Stock; SW Delaware E L.P. directly holds 1,105,873 shares of Common Stock; SW Delaware F L.P. directly holds 864,274 shares of Common Stock; SW Delaware Co-Invest L.P. directly holds 1,316,333 shares of Common Stock; SW Delaware (GS) L.P. directly holds 1,441,534 shares of Common Stock and SW Delaware (GSO) L.P. directly holds 480,511 shares of Common Stock.

(b)    Percent of class:

As of the date hereof, each of the Reporting Persons may be deemed to be the beneficial owner of the percentage of shares of Common Stock listed on such Reporting Person’s cover page.

(c)    Number of Shares as to which the Reporting Person has:

(i)     Sole power to vote or to direct the vote:

See each cover page hereof.

(ii)    Shared power to vote or to direct the vote:

See each cover page hereof.

(iii)  Sole power to dispose or to direct the disposition of:

See each cover page hereof.

(iv)   Shared power to dispose or to direct the disposition of:

See each cover page hereof.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following:  ¨

Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.

Not applicable.

Identification and Classification of Members of the Group.

Not applicable.

Notice of Dissolution of Group.

Not Applicable.

Certification.

Not applicable.