Exhibit 99.1
Joint Filing Agreement
In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned hereby (i) agree to the joint filing with all other Reporting Persons (as such term is defined in the statement on Schedule 13D described below) on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the Class A Common Stock, par value $0.0001 per share, of Permian Resources Corporation and (ii) agree that this Agreement be included as an Exhibit to such joint filing. The undersigned acknowledge that each shall be responsible for the timely filing of any amendments, and for the completeness and accuracy of the information concerning the undersigned contained herein and therein. This Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument.
Dated: September 12, 2022
| By: | /s/ Ryley Hegarty |
| Name: | Ryle Hegarty |
| Title: | Authorized Person |
| By: NGP XI Holdings GP, L.L.C., its general partner |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| NGP XI HOLDINGS GP, L.L.C. |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| NGP NATURAL RESOURCES XI, L.P. |
| By: G.F.W. Energy XI, L.P, its general partner |
| By: GFW XI, L.L.C, |
| its general partner |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| By: GFW XI, L.L.C, its general partner |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| NGP PEARL HOLDINGS II, L.L.C. |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| NGP XII US HOLDINGS, L.P. |
| By: NGP XII Holdings GP, L.L.C., its general partner |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| NGP XII HOLDINGS GP, L.L.C. |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| NGP NATURAL RESOURCES XII, L.P. |
| By: G.F.W. Energy XII, L.P, its general partner |
| By: GFW XII, L.L.C, |
| its general partner |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| By: GFW XII, L.L.C, its general partner |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |
| By: | /s/ Craig Glick |
| Name: | Craig Glick |
| Title: | Authorized Person |