Exhibit 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with each of the Reporting Persons (as such term is defined in the Schedule 13D referred to below) on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the Common Stock, $0.001 par value, of Gastar Exploration Inc., a Delaware corporation, and that this agreement may be included as an exhibit to such joint filing.
IN WITNESS WHEREOF, the undersigned hereby execute this agreement as of March 8, 2017.
AF V ENERGY I AIV B1, L.P. | |
| By: | ACOF INVESTMENT MANAGEMENT LLC | |
| Its: | Manager | |
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| | /s/ Naseem Sagati | |
| | By: Naseem Sagati | |
| | Its: Authorized Signatory | |
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ACOF INVESTMENT MANAGEMENT LLC | |
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| /s/ Naseem Sagati | |
| By: Naseem Sagati | |
| Its: Authorized Signatory | |
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ARES MANAGEMENT LLC | |
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| /s/ Naseem Sagati | |
| By: Naseem Sagati | |
| Its: Authorized Signatory | |
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ARES MANAGEMENT HOLDINGS L.P. | |
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| By: | ARES HOLDCO, LLC | |
| Its: | General Partner | |
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| | /s/ Naseem Sagati | |
| | By: Naseem Sagati | |
| | Its: Authorized Signatory | |
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ARES HOLDCO LLC | |
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| /s/ Naseem Sagati | |
| By: Naseem Sagati | |
| Its: Authorized Signatory | |
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ARES HOLDINGS INC. | |
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| /s/ Naseem Sagati | |
| By: Naseem Sagati | |
| Its: Authorized Signatory | |
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ARES MANAGEMENT, L.P. | |
| By: ARES MANAGEMENT GP LLC | |
| Its: General Partner | |
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| | /s/ Naseem Sagati | |
| | By: Naseem Sagati | |
| | Its: Authorized Signatory | |
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ARES MANAGEMENT GP LLC | |
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| /s/ Naseem Sagati | |
| By: Naseem Sagati | |
| Its: Authorized Signatory | |
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ARES PARTNERS HOLDCO LLC | |
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| /s/ Naseem Sagati | |
| By: Naseem Sagati | |
| Its: Authorized Signatory | |
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