Exhibit 99.1

 

JOINT FILING AGREEMENT

 

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that it knows or has reason to believe that such information is inaccurate. This Joint Filing Agreement may be executed in any number of counterparts and all such counterparts taken together shall constitute one and the same instrument.

 

Dated: May 22, 2017

 

 

WARBURG PINCUS PRIVATE EQUITY VIII, L.P.

 

By:     Warburg Pincus Partners, L.P., its general partner
By:     Warburg Pincus Partners GP LLC, its general partner
By:     Warburg Pincus & Co., its managing member

 

 

By:

 

 

Date:

May 22, 2017

 

Name: Robert B. Knauss

 

 

 

 

Title: Partner

 

 

 

 

 

WARBURG PINCUS PRIVATE EQUITY X O&G, L.P.

 

By:     Warburg Pincus X, L.P., its general partner
By:     Warburg Pincus X GP L.P., its general partner
By:     WPP GP LLC, its general partner
By:     Warburg Pincus Partners, L.P., its managing member
By:     Warburg Pincus Partners GP LLC, its general partner
By:     Warburg Pincus & Co., its managing member

 

By:

 

 

Date:

May 22, 2017

 

Name: Robert B. Knauss

 

 

 

 

Title: Partner

 

 

 

 

 

WARBURG PINCUS X, L.P.

 

By:     Warburg Pincus X GP L.P., its general partner
By:     WPP GP LLC, its general partner
By:     Warburg Pincus Partners, L.P., its managing member
By:     Warburg Pincus Partners GP LLC, its general partner
By:     Warburg Pincus & Co., its managing member

 

By:

 

 

Date:

May 22, 2017

 

Name: Robert B. Knauss

 

 

 

 

Title: Partner

 

 

 

 

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WARBURG PINCUS X GP L.P.

 

By:     WPP GP LLC, its general partner
By:     Warburg Pincus Partners, L.P., its managing member
By:     Warburg Pincus Partners GP LLC, its general partner
By:     Warburg Pincus & Co., its managing member

 

By:

 

 

Date:

May 22, 2017

 

Name: Robert B. Knauss

 

 

 

 

Title: Partner

 

 

 

 

 

WPP GP LLC

 

By:     Warburg Pincus Partners, L.P., its managing member
By:     Warburg Pincus Partners GP LLC, its general partner
By:     Warburg Pincus & Co., its managing member

 

By:

 

 

Date:

May 22, 2017

 

Name: Robert B. Knauss

 

 

 

 

Title: Partner

 

 

 

 

 

WARBURG PINCUS PARTNERS, L.P.

 

By:     Warburg Pincus Partners GP LLC, its general partner
By:     Warburg Pincus & Co., its managing member

 

 

By:

 

 

Date:

May 22, 2017

 

Name: Robert B. Knauss

 

 

 

 

Title: Partner

 

 

 

 

 

WARBURG PINCUS PARTNERS GP LLC

 

By:     Warburg Pincus & Co., its managing member

 

By:

 

 

Date:

May 22, 2017

 

Name: Robert B. Knauss

 

 

 

 

Title: Partner

 

 

 

 

 

WARBURG PINCUS & CO.

 

 

By:

 

 

Date:

May 22, 2017

 

Name: Robert B. Knauss

 

 

 

 

Title: Partner

 

 

 

 

 

WARBURG PINCUS LLC

 

 

By:

 

 

Date:

May 22, 2017

 

Name: Robert B. Knauss

 

 

 

 

Title: Managing Director

 

 

 

 

 

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CHARLES R. KAYE

 

 

By:

 

 

Date:

May 22, 2017

 

Name: Charles R. Kaye

 

 

 

 

Title: Robert B. Knauss, Attorney-in-Fact*

 

 

 

 

 

JOSEPH P. LANDY

 

 

By:

 

 

Date:

May 22, 2017

 

Name: Joseph P. Landy

 

 

 

 

Title: Robert B. Knauss, Attorney-in-Fact*

 

 

 

 

 

* The Power of Attorney given by each of Mr. Kaye and Mr. Landy was previously filed with the SEC on July 12, 2016 as an exhibit to a beneficial ownership report on Schedule 13D filed by Warburg Pincus LLC with respect to WEX, Inc. and is hereby incorporated by reference.

 

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SCHEDULE A

 

Set forth below is the name, position and present principal occupation of each of the general partners of Warburg Pincus & Co. (“WP”) and members of Warburg Pincus LLC (including its subsidiaries, “WP LLC”).  Except as otherwise indicated, the business address of each of such persons is 450 Lexington Avenue, New York, New York  10017, and each of such persons is a citizen of the United States.

 

GENERAL PARTNERS OF WP

 

NAME

 

PRESENT PRINCIPAL OCCUPATION IN ADDITION
TO POSITION WITH WP, AND POSITIONS
WITH THE REPORTING ENTITIES

Gregory C. Baecher

 

Partner of WP; Member and Managing Director of WP LLC

Mark Begor

 

Partner of WP; Member and Managing Director of WP LLC

Alexander Berzofsky

 

Partner of WP; Member and Managing Director of WP LLC

Damon Beyer

 

Partner of WP; Member and Managing Director of WP LLC

Anthony Robert Buonanno

 

Partner of WP; Member and Managing Director of WP LLC

Thomas Carella

 

Partner of WP; Member and Managing Director of WP LLC

Mark M. Colodny

 

Partner of WP; Member and Managing Director of WP LLC

Cary J. Davis

 

Partner of WP; Member and Managing Director of WP LLC

Joseph Gagnon

 

Partner of WP; Member and Managing Director of WP LLC

Timothy F. Geithner

 

Partner of WP; Member, Managing Director and President of WP LLC

Stephanie Geveda

 

Partner of WP; Member and Managing Director of WP LLC

Steven G. Glenn

 

Partner of WP; Member and Managing Director of WP LLC

Jeffrey Goldfaden

 

Partner of WP; Member and Managing Director of WP LLC

Michael Graff

 

Partner of WP; Member and Managing Director of WP LLC

Christopher Gunther

 

Partner of WP; Member and Managing Director of WP LLC

Patrick T. Hackett

 

Partner of WP; Member and Managing Director of WP LLC

Fred Hassan

 

Partner of WP; Member and Managing Director of WP LLC

William Blake Holden

 

Partner of WP; Member and Managing Director of WP LLC

Edward Y. Huang

 

Partner of WP; Member and Managing Director of WP LLC

In Seon Hwang

 

Partner of WP; Member and Managing Director of WP LLC

Peter R. Kagan

 

Partner of WP; Member and Managing Director of WP LLC

Charles R. Kaye

 

Managing General Partner of WP; Managing Member and Co-Chief Executive Officer of WP LLC

Robert B. Knauss

 

Partner of WP; Member and Managing Director of WP LLC

David B. Krieger

 

Partner of WP; Member and Managing Director of WP LLC

Rajveer Kushwaha

 

Partner of WP; Member and Managing Director of WP LLC

Joseph P. Landy

 

Managing General Partner of WP; Managing Member and Co-Chief Executive Officer of WP LLC

James Levy

 

Partner of WP; Member and Managing Director of WP LLC

Frank Marinaro

 

Partner of WP; Member and Managing Director of WP LLC

Harsha Marti

 

Partner of WP; Member and Managing Director of WP LLC

Michael Martin

 

Partner of WP; Member and Managing Director of WP LLC

Vishnu Menon

 

Partner of WP; Member and Managing Director of WP LLC

James Neary

 

Partner of WP; Member and Managing Director of WP LLC

Jeffrey Perlman

 

Partner of WP; Member and Managing Director of WP LLC

Chandler Reedy

 

Partner of WP; Member and Managing Director of WP LLC

Annette Rodriguez-Ferrer

 

Partner of WP; Member and Managing Director of WP LLC

John Rowan

 

Partner of WP; Member and Managing Director of WP LLC

Justin L. Sadrian

 

Partner of WP; Member and Managing Director of WP LLC

Adarsh Sarma

 

Partner of WP; Member and Managing Director of WP LLC

John W. Shearburn

 

Partner of WP; Member and Managing Director of WP LLC

Ashutosh Somani

 

Partner of WP; Member and Managing Director of WP LLC

David Sreter

 

Partner of WP; Member and Managing Director of WP LLC

Christopher H. Turner

 

Partner of WP; Member and Managing Director of WP LLC

James W. Wilson

 

Partner of WP; Member and Managing Director of WP LLC

Daniel Zamlong

 

Partner of WP; Member and Managing Director of WP LLC

Daniel Zilberman

 

Partner of WP; Member and Managing Director of WP LLC

WP & Co. Partners, L.P.*

 

 

Warburg Pincus Principal Partnership, L.P.**

 

 

 


*              New York limited partnership; primary activity is ownership interest in WP

**           Delaware limited partnership; primary activity is ownership interest in WP

 

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MEMBERS OF WP LLC

 

NAME

 

PRESENT PRINCIPAL OCCUPATION IN ADDITION
TO POSITION WITH WP LLC, AND POSITIONS
WITH THE REPORTING ENTITIES

Saurabh Agarwal (1)

 

Member and Managing Director of WP LLC

Jonas Agesand (2)

 

Member and Managing Director of WP LLC

Gregory C. Baecher

 

Member and Managing Director of WP LLC; Partner of WP

Mark Begor

 

Member and Managing Director of WP LLC; Partner of WP

Alexander Berzofsky

 

Member and Managing Director of WP LLC; Partner of WP

Damon Beyer

 

Member and Managing Director of WP LLC; Partner of WP

Peder Bratt (3)

 

Member and Managing Director of WP LLC

Anthony Robert Buonanno

 

Member and Managing Director of WP LLC; Partner of WP

Thomas Carella

 

Member and Managing Director of WP LLC; Partner of WP

Michael Chen (4)

 

Member and Managing Director of WP LLC

Julian Cheng (5)

 

Member and Managing Director of WP LLC

Mark M. Colodny

 

Member and Managing Director of WP LLC; Partner of WP

Cary J. Davis

 

Member and Managing Director of WP LLC; Partner of WP

Yi Ding (4)

 

Member and Managing Director of WP LLC

Simon Eyers (3)

 

Member and Managing Director of WP LLC

Min Fang (4)

 

Member and Managing Director of WP LLC

Max Fowinkel (6)

 

Member and Managing Director of WP LLC

Joseph Gagnon

 

Member and Managing Director of WP LLC; Partner of WP

Timothy F. Geithner

 

Member, Managing Director and President of WP LLC; Partner of WP

Stephanie Geveda

 

Member and Managing Director of WP LLC; Partner of WP

Steven G. Glenn

 

Member and Managing Director of WP LLC; Partner of WP

Jeffrey G. Goldfaden

 

Member and Managing Director of WP LLC; Partner of WP

Michael Graff

 

Member and Managing Director of WP LLC; Partner of WP

Christopher Gunther

 

Member and Managing Director of WP LLC; Partner of WP

Patrick T. Hackett

 

Member and Managing Director of WP LLC; Partner of WP

Fred Hassan

 

Member and Senior Advisor of WP LLC; Partner of WP

William Blake Holden

 

Member and Managing Director of WP LLC; Partner of WP

Edward Y. Huang

 

Member and Managing Director of WP LLC; Partner of WP

In Seon Hwang

 

Member and Managing Director of WP LLC; Partner of WP

Peter R. Kagan

 

Member and Managing Director of WP LLC; Partner of WP

Charles R. Kaye

 

Managing Member and Co-Chief Executive Officer of WP LLC; Managing General Partner of WP

Robert B. Knauss

 

Member and Managing Director of WP LLC; Partner of WP

David B. Krieger

 

Member and Managing Director of WP LLC; Partner of WP

Rajveer Kushwaha

 

Member and Managing Director of WP LLC; Partner of WP

Joseph P. Landy

 

Managing Member and Co-Chief Executive Officer of WP LLC; Managing General Partner of WP

James Levy

 

Member and Managing Director of WP LLC; Partner of WP

Vishal Mahadevia

 

Member and Managing Director of WP LLC

Niten Malhan (1)

 

Member and Managing Director of WP LLC

Frank Marinaro

 

Member and Managing Director of WP LLC; Partner of WP

Harsha Marti

 

Member and Managing Director of WP LLC; Partner of WP

Michael Martin

 

Member and Managing Director of WP LLC; Partner of WP

Vishnu Menon

 

Member and Managing Director of WP LLC; Partner of WP

Piero Minardi (7)

 

Member and Managing Director of WP LLC

Nitin Nayar

 

Member and Managing Director of WP LLC

James Neary

 

Member and Managing Director of WP LLC; Partner of WP

Hoi Ying Ng (5)

 

Member and Managing Director of WP LLC

René Obermann (6)

 

Member and Managing Director of WP LLC

Narendra Ostawal (1)

 

Member and Managing Director of WP LLC

Jeffrey Perlman

 

Member and Managing Director of WP LLC; Partner of WP

Chandler Reedy

 

Member and Managing Director of WP LLC; Partner of WP

Annette Rodriguez-Ferrer

 

Member and Managing Director of WP LLC; Partner of WP

John Rowan

 

Member and Managing Director of WP LLC; Partner of WP

Justin L. Sadrian

 

Member and Managing Director of WP LLC; Partner of WP

Anish Saraf (1)

 

Member and Managing Director of WP LLC

Adarsh Sarma

 

Member and Managing Director of WP LLC; Partner of WP

Viraj Sawhney (1)

 

Member and Managing Director of WP LLC

John W. Shearburn

 

Member and Managing Director of WP LLC; Partner of WP

Ashutosh Somani

 

Member and Managing Director of WP LLC; Partner of WP

David Sreter

 

Member and Managing Director of WP LLC; Partner of WP

Biddanda N. Thimmaya (1)

 

Member and Managing Director of WP LLC

Christopher H. Turner

 

Member and Managing Director of WP LLC; Partner of WP

Somit Varma (1)

 

Member and Managing Director of WP LLC

Zhen Wei (5)

 

Member and Managing Director of WP LLC

James W. Wilson

 

Member and Managing Director of WP LLC; Partner of WP

Bo Xu (4)

 

Member and Managing Director of WP LLC

Daniel Zamlong

 

Member and Managing Director of WP LLC; Partner of WP

Langlang Zhou (4)

 

Member and Managing Director of WP LLC

Daniel Zilberman

 

Member and Managing Director of WP LLC; Partner of WP

 


(1)   Citizen of India

(2)   Citizen of Sweden

(3)   Citizen of United Kingdom

(4)   Citizen of China

(5)   Citizen of Hong Kong

(6)   Citizen of Germany

(7)   Citizen of Italy

 

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