Exhibit 99
Form 4 Joint Filer Information
Name: EnCap Energy Capital Fund VIII
Co-Investors, L.P.
Address: 1100 LOUISIANA STREET, SUITE 4900
HOUSTON, TX 77002
Issuer & Ticket Symbol: Eclipse Resources Corporation [ECR]
Date of Event Requiring Statement: 1/18/2018
Relationship of Reporting Person 10% Owner
to Issuer:
Signature: EnCap Energy Capital Fund VIII
Co-Investors, L.P.
By: EnCap Equity Fund VIII GP, L.P.,
its general partner
By: EnCap Investments L.P.,
its general partner
By: EnCap Investments GP, L.L.C,
its general partner
By: /s/ D. Martin Phillips, Managing Partner
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Date: 1/22/2018
Name: EnCap Energy Capital Fund IX, L.P.
Address: 1100 LOUISIANA STREET, SUITE 4900
HOUSTON, TX 77002
Issuer & Ticket Symbol: Eclipse Resources Corporation [ECR]
Date of Event Requiring Statement: 1/18/2018
Relationship of Reporting Person 10% Owner
to Issuer:
Signature: EnCap Energy Capital Fund IX, L.P.
By: EnCap Equity Fund IX GP, L.P.,
its general partner
By: EnCap Investments L.P.,
its general partner
By: EnCap Investments GP, L.L.C,
its general partner
By: /s/ D. Martin Phillips, Managing Partner
----------------------------------------
Date: 1/22/2018
Name: EnCap Partners GP, LLC
Address: 1100 LOUISIANA STREET, SUITE 4900
HOUSTON, TX 77002
Issuer & Ticket Symbol: Eclipse Resources Corporation [ECR]
Date of Event Requiring Statement: 1/18/2018
Relationship of Reporting Person 10% Owner
to Issuer:
Signature:
By: /s/ D. Martin Phillips, Managing Partner
----------------------------------------
Date: 1/22/2018
Name: Robert L. Zorich
Address: 1100 LOUISIANA STREET, SUITE 4900
HOUSTON, TX 77002
Issuer & Ticket Symbol: Eclipse Resources Corporation [ECR]
Date of Event Requiring Statement: 1/18/2018
Relationship of Reporting Person Director
to Issuer:
Signature:
/s/ Robert L. Zorich
----------------------
Date: 1/22/2018
Name: D. Martin Phillips
Address: 1100 LOUISIANA STREET, SUITE 4900
HOUSTON, TX 77002
Issuer & Ticket Symbol: Eclipse Resources Corporation [ECR]
Date of Event Requiring Statement: 1/18/2018
Relationship of Reporting Person Director
to Issuer:
Signature:
/s/ D. Martin Phillips
-----------------------
Date: 1/22/2018
Name: Douglas E. Swanson, Jr.
Address: 1100 LOUISIANA STREET, SUITE 4900
HOUSTON, TX 77002
Issuer & Ticket Symbol: Eclipse Resources Corporation [ECR]
Date of Event Requiring Statement: 1/18/2018
Relationship of Reporting Person Director
to Issuer:
Signature:
/s/ Douglas E. Swanson, Jr.
---------------------------
Date: 1/22/2018
