Exhibit 4
JOINT FILING AGREEMENT
Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the rules and regulations thereunder, each party agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act of any rule or regulation thereunder (including any amendment, restatement, supplement and/or exhibit thereto) with the Securities and Exchange Commission (and, if such security is registered on a national securities exchange, also with the exchange), and further agrees to the filing, furnishing and/or incorporation by reference of this agreement as an exhibit thereto. The agreement shall remain in full force and effect until revoked by either party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party.
IN WITNESS WHEREOF, each party hereto, being duly authorized, has caused this agreement to be executed and effective as of the date written below.
Dated: November 17, 2017
| John C. Goff | The Goff Family Foundation | |||||||
| By: | /s/ John C. Goff | By: | /s/ John C. Goff | |||||
| John C. Goff | ||||||||
| Sole Board Member | ||||||||
Goff REN Holdings, LLC | Goff Capital | |||||||
| By: its Manager, GFS REN GP, LLC | ||||||||
By: its Managing Member, GFS Management, LLC | ||||||||
By: its Managing Member, Goff Focused Strategies, LLC | ||||||||
| By: | /s/ John C. Goff | By: | /s/ John C. Goff | |||||
| John C. Goff, Chief Executive Officer | John C. Goff, President | |||||||
GFS Management, LLC | GFS REN GP, LLC | |||||||
By: its Managing Member, GFS Management, LLC | By: its Managing Member, GFS Management, LLC | |||||||
By: its Managing Member, Goff Focused Strategies, LLC | By: its Managing Member, Goff Focused Strategies, LLC | |||||||
| By: | /s/ John C. Goff | By: | /s/ John C. Goff | |||||
| John C. Goff, Chief Executive Officer | John C. Goff, Chief Executive Officer | |||||||
Goff MCEP Holdings, LLC | ||||||||
| By: its Manager, Goff Capital, Inc. | Goff Focused Strategies, LLC | |||||||
| By: | /s/ John C. Goff | By: | /s/ John C. Goff | |||||
| John C. Goff, President | John C. Goff, Chief Executive Officer | |||||||
| James M. Howard | Longboat Capital, LLC | |||||||
| By: | /s/ James M. Howard | By: | /s/ James M. Howard | |||||
| James M. Howard, Manager | ||||||||
