JOINT FILING AGREEMENT
Exhibit 99
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 other on behalf of each of them of such a statement on Schedule 13G with respect to the common stock beneficially owned by each of them of Xxxx Midstream Partners LP. This Joint Filing Agreement shall be included as an Exhibit to such Schedule 13G.
IN WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as of the 12th day of February, 2018.
| GIP II BLUE HOLDING PARTNERSHIP, L.P. | ||
| By: GIP Blue Holding GP, LLC, its general partner | ||
| By: | /s/ Xxxx Xxxxxx | |
| Name: | Xxxx Xxxxxx | |
| Title: | Secretary | |
| GIP BLUE HOLDING GP, LLC | ||
| By: | /s/ Xxxx Xxxxxx | |
| Name: | Xxxx Xxxxxx | |
| Title: | Secretary | |
| GLOBAL INFRASTRUCTURE XX XX, L.P. | ||
| By: Global Infrastructure Investors II, LLC, its general partner | ||
| By: | /s/ Xxxx Xxxxxx | |
| Name: | Xxxx Xxxxxx | |
| Title: | Secretary | |
| GLOBAL INFRASTRUCTURE INVESTORS II, LLC | ||
| By: | /s/ Xxxx Xxxxxx | |
| Name: | Xxxx Xxxxxx | |
| Title: | Secretary | |
