Filing Details

The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

NAMES OF REPORTING PERSONS

AVISTA CAPITAL PARTNERS III GP, L.P.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a)  ☒        (b)  ☐

SEC USE ONLY

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

0

SHARED VOTING POWER

20,450,785*

SOLE DISPOSITIVE POWER

0

SHARED DISPOSITIVE POWER

20,450,785*

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

20,450,785*

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

38.9%*

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

PN

See Item 4.

NAMES OF REPORTING PERSONS

ACP HOLDCO (OFFSHORE), L.P.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a)  ☒        (b)  ☐

SEC USE ONLY

CITIZENSHIP OR PLACE OF ORGANIZATION

BERMUDA

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

0

SHARED VOTING POWER

5,183,899*

SOLE DISPOSITIVE POWER

0

SHARED DISPOSITIVE POWER

5,183,899*

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

5,183,899*

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

9.9%*

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

PN

NAMES OF REPORTING PERSONS

ACP III AIV, L.P.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a)  ☒        (b)  ☐

SEC USE ONLY

CITIZENSHIP OR PLACE OF ORGANIZATION

BERMUDA

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

0

SHARED VOTING POWER

9,296,965*

SOLE DISPOSITIVE POWER

0

SHARED DISPOSITIVE POWER

9,296,965*

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

9,296,965*

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

17.7%*

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

PN

See Item 4.

NAMES OF REPORTING PERSONS

ORBIT CO-INVEST I LLC

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a)  ☒        (b)  ☐

SEC USE ONLY

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

0

SHARED VOTING POWER

4,936,926*

SOLE DISPOSITIVE POWER

0

SHARED DISPOSITIVE POWER

4,936,926*

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,936,926*

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

9.4%*

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

OO

See Item 4.

NAMES OF REPORTING PERSONS

ORBIT CO-INVEST III LLC

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a)  ☒        (b)  ☐

SEC USE ONLY

CITIZENSHIP OR PLACE OF ORGANIZATION

DELAWARE

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

0

SHARED VOTING POWER

1,032,995*

SOLE DISPOSITIVE POWER

0

SHARED DISPOSITIVE POWER

1,032,995*

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,032,995*

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

☐

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

2.0%*

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

OO

See Item 4.

Name of Issuer

Address of Issuers Principal Executive Offices

(a) Name of Person

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J);

A group, in accordance with §240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution:

Ownership

Reporting

Person

Percent

of

Class^(b)

Number

of shares

as to

which the

person

has: Sole

power to

vote or to

direct the

vote

Number of

shares as to

which the

person has:

Shared

power to

vote or to

direct the

vote

Number of

shares as to

which the

person has:

Sole power

to dispose

or to direct

the

disposition

of:

Number of

shares as to

which the

person has:

Shared

power to

dispose or

to direct the
disposition

of:

Avista Capital Partners III GP, L.P.

ACP Holdco (Offshore), L.P.

ACP III AIV, L.P.

Orbit Co-Invest I LLC

Orbit Co-Invest III LLC

Avista Capital Partners III GP, L.P. serves as the general partner of ACP Holdco (Offshore), L.P. and ACP III AIV, L.P. and as the manager of Orbit Co-Invest I LLC and Orbit Co-Invest III LLC. By virtue of these relationships, Avista Capital Partners III GP, L.P. may be deemed to share beneficial ownership of the 5,183,899 ordinary shares held by ACP Holdco (Offshore), L.P., the 9,296,965 ordinary shares held by ACP III AIV, L.P., the 4,936,926 ordinary shares held by Orbit Co-Invest I LLC and the 1,032,995 ordinary shares held by Orbit Co-Invest III LLC. Voting and disposition decisions at Avista Capital Partners III GP, L.P. with respect to those shares are made by an investment committee, the members of which include David Burgstahler and Sriram Venkataraman, each of whom serves as a director of the Issuer. Each of the members of the investment committee disclaims beneficial ownership of these securities.

Based on 52,518,924 ordinary shares, nominal value $0.01 per share, outstanding as of November 7, 2018 as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2018, filed with the SEC on November 8, 2018.

Ownership of Five Percent or Less of a Class

Ownership of More than Five Percent on Behalf of Another Person

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

Identification and Classification of Members of the Group

Notice of Dissolution of Group

Certifications

Exhibit No.