Type	Name	Date
Credit agreement	Amended and Restated Credit Agreement, by and among Gastar Exploration LLC as the Borrower, Gastar Holdco LLC, the guarantors from time to time party thereto, the financial institutions from time to time party thereto as lenders and Wilmington Trust, National Association, as the Administrative Agent	01/22/2019
Credit agreement	CREDIT AGREEMENT	01/22/2019
Indenture	Second Supplemental Indenture, between Gastar Exploration Inc. and Wilmington Trust, National Association, as trustee and collateral trustee	07/06/2018
Indenture	First Supplemental Indenture, between Gastar Exploration Inc. and Wilmington Trust, National Association, as Trustee and Collateral Trustee	03/22/2017
Securities purchase agreement	Securities Purchase Agreement, by and among Gastar Exploration Inc. and each of the purchasers listed on Schedule I thereto	03/22/2017
Credit agreement	Amendment No. 1 to Third Amended and Restated Credit Agreement, among Gastar Exploration Inc., as borrower, certain subsidiaries of borrower, as guarantors, the lenders party thereto and Wilmington Trust, National Association, as administrative agent	03/22/2017
Credit agreement	Third Amended and Restated Credit Agreement, among Gastar Exploration Inc., as borrower, certain subsidiaries of borrower, as guarantors, the lenders party thereto and Wilmington Trust, National Association, as administrative agent	03/07/2017
Registration rights agreement	Registration Rights Agreement, by and among Gastar Exploration Inc. and each of the purchasers listed on Schedule I thereto	03/07/2017
Securities purchase agreement	Securities Purchase Agreement, by and among Gastar Exploration Inc. and each of the purchasers listed on Schedule I thereto	03/07/2017
Indenture	Indenture, between Gastar Exploration Inc. and Wilmington Trust, National Association, as Trustee and Collateral Agent	03/07/2017
Credit agreement	Amendment No. 9 to Second Amended and Restated Credit Agreement, by and among Gastar Exploration Inc., the Lenders party thereto, and Wells Fargo Bank, National Association, as administrative agent for the lenders thereto, as collateral agent, as swing line lender and as issuing lender	10/20/2016
Credit agreement	Amendment No. 6 to Second Amended and Restated Credit Agreement	12/29/2015
Registration rights agreement	Registration Rights Agreement, by and among Gastar Exploration USA, Inc., the guarantors named therein and Imperial Capital, LLC and Credit Suisse Securities (USA) LLC, as representatives of the initial purchasers	11/20/2013
Credit agreement	Second Amended and Restated Credit Agreement, among Gastar Exploration USA, Inc., as Borrower, Wells Fargo Bank, National Association, as Administrative Agent, Collateral Agent, Swing Line Lender and Issuing Lender, and the Lenders named therein	06/12/2013
Registration rights agreement	Registration Rights Agreement, by and among Gastar Exploration USA, Inc., the guarantors named therein and Imperial Capital, LLC, as representative of the initial purchasers	05/15/2013
Indenture	Indenture, by and among Gastar Exploration USA, Inc., the guarantors named therein and Wells Fargo Bank, National Association, as Trustee and Collateral Agent	05/15/2013

Type	Name	Date
Employment agreement	Employment Agreement, between Gastar Exploration Inc. and Michael McCown	06/23/2014

Type	Name	Date
Acquisition / asset purchase agreement	Purchase and Sale Agreement, by and between Gastar Exploration Inc. and Red Bluff Resources Operating, LLC	11/22/2016
Acquisition / asset purchase agreement	Purchase and Sale Agreement, by and between Gastar Exploration Inc. and THQ Appalachia I, LLC	02/24/2016
Acquisition / asset purchase agreement	Purchase and Sale Agreement, by and among Gastar Exploration USA, Inc. and Lime Rock Resources II-A, L.P. and Lime Rock Resources II-C, L.P	10/28/2013
Acquisition / asset purchase agreement	Purchase and Sale Agreement, by and among Newfield Exploration Mid-Continent Inc. and Gastar Exploration USA, Inc	08/12/2013
Acquisition / asset purchase agreement	Purchase and Sale Agreement, by and among Newfield Exploration Mid-Continent Inc. and Gastar Exploration USA, Inc	08/12/2013