1. Name and Address of Reporting Person*
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
1. Name and Address of Reporting Person*WARBURG PINCUS PRIVATE EQUITY (LEXINGTON) XI-A, L.P. |
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
1. Name and Address of Reporting Person*WP (LEXINGTON) HOLDINGS II, L.P. |
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
1. Name and Address of Reporting Person*WARBURG PINCUS XI (LEXINGTON) PARTNERS-A, L.P. |
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
1. Name and Address of Reporting Person*WARBURG PINCUS XI (E&P) PARTNERS-B, L.P. |
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
1. Name and Address of Reporting Person*
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
1. Name and Address of Reporting Person*WP MUSTANG CO-INVEST-B L.P. |
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
1. Name and Address of Reporting Person*WP MUSTANG CO-INVEST-C L.P. |
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
1. Name and Address of Reporting Person*
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
1. Name and Address of Reporting Person*
C/O WARBURG PINCUS LLC | 450 LEXINGTON AVENUE |
(Street)
|
| MUSTANG HOLDCO II /s/ James Neary, President | 11/16/2017 |
| WP XI LEXINGTON-A By: WP E&P XI GP, its general partner ("GP"), By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By: /s/ Steven G. Glenn, Authorized Signatory | 11/16/2017 |
| WP LEXINGTON II By: WP E&P XI GP, its GP, By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By: /s/ Steven G. Glenn, Authorized Signatory | 11/16/2017 |
| WP XI LEXINGTON PARTNERS-A By: WP E&P XI GP, its GP, By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By: /s/ Steven G. Glenn, Authorized Signatory | 11/16/2017 |
| WP XI E&P PARTNERS-B By: WP E&P XI GP, its GP, By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By: /s/ Steven G. Glenn, Authorized Signatory | 11/16/2017 |
| WP CO-INVEST LLC By: WP E&P XI GP, its managing member, By: WP E&P XI LLC, its GP, By: WPP E&P XI, its sole member, By: WP Partners II US, its managing member, By: WP & Company US, its GP, By; Steven G. Glenn, Authorized Signatory | 11/16/2017 |
| WP CO-INVEST-B By: WP Bermuda XI, its GP, By /s/ Steven G. Glenn, Authorised Signatory | 11/16/2017 |
| WP CO-INVEST-C By: WP Bermuda XI, its GP, By: /s/ Steven G. Glenn, Authorised Signatory | 11/16/2017 |
| CHARLES R. KAYE By: /s/ Steven G. Glenn, Attorney-in-Fact* | 11/16/2017 |
| JOSEPH P. LANDY By: /s/ Steven G. Glenn, Attorney-in-Fact* | 11/16/2017 |
| ** Signature of Reporting Person | Date |
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. |
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v). |
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. |
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. |