Exhibit 1.1
JOINT FILING AGREEMENT
In accordance withRule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the common stock, par value $0.10 per share, of Devon Energy Corporation, a Delaware corporation, and further agree that this Joint Filing Agreement be included as an exhibit to such joint filings. In evidence thereof, each of the undersigned hereby executes this Joint Filing Agreement as of February 14, 2018.
| Felix STACK Holdings, LLC | ||
| By: | /s/ D. Martin Phillips | |
| Name: | D. Martin Phillips | |
| Title: | Manager | |
| EnCap FEx Holdings, LLC | ||
| By: | EnCap Energy Capital Fund IX, L.P., its sole member | |
| 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 | |
| Name: | D. Martin Phillips | |
| Title: | Sr. Managing Director | |
| EnCap Partners GP, LLC | ||
| By: | /s/ D. Martin Phillips | |
| Name: | D. Martin Phillips | |
| Title: | Managing Partner | |
