Exhibit 7.8
JOINT FILING AGREEMENT
Pursuant to Rule13d-1(k)(1)(iii) of the Securities Exchange Act of 1934, as amended, each of the undersigned agrees that a single joint Schedule 13D and any amendments thereto may be filed on behalf of each of the undersigned with respect to the securities held by each of them in Liberty Oilfield Services Inc. This Joint Filing Agreement shall be included as an Exhibit to such Schedule 13D.
Dated: January 26, 2018
| RIVERSTONE/CARLYLE ENERGY PARTNERS IV, L.P. | ||
| By: | R/C Energy GP IV, LLC, its general partner | |
| By: | /s/ Thomas Walker | |
| Name: | Thomas Walker | |
| Title: | Authorized Person | |
| R/C ENERGY IV DIRECT PARTNERSHIP, L.P. | ||
| By: | Riverstone/Carlyle Energy Partners IV, L.P., its general partner | |
| By: | R/C Energy GP IV, LLC, its general partner | |
| By: | /s/ Thomas Walker | |
| Name: | Thomas Walker | |
| Title: | Authorized Person | |
| R/C IV LIBERTY HOLDINGS, L.P. | ||
| By: | Riverstone/Carlyle Energy Partners IV, L.P., its general partner | |
| By: | R/C Energy GP IV, LLC, its general partner | |
| By: | /s/ Thomas Walker | |
| Name: | Thomas Walker | |
| Title: | Authorized Person | |
| R/C ENERGY GP IV, LLC | ||
| By: | /s/ Thomas Walker | |
| Name: | Thomas Walker | |
| Title: | Authorized Person | |
Schedule 13D — Exhibit 7.8
