Exhibit 99.1
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, the undersigned hereby agree to the joint filing on behalf of each of them of any filing required by such party under Section 13 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with respect to securities of Patterson-UTI Energy, Inc., a Delaware corporation, and further agree to the filing, furnishing, and/or incorporation by reference of this Joint Filing Agreement (this “Agreement”) as an exhibit thereto. Each of them is responsible for the timely filing of such filings and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate. This Agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party. This Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument.
Dated: August 17, 2023
| BEP Diamond Topco L.P. | ||
| By: BEP Diamond Topco LLC, its general partner | ||
| By: | /s/ Darius Sepassi | |
| Name: | Darius Sepassi | |
| Title: | Vice President | |
| BEP Diamond Topco LLC | ||
| By: | /s/ Darius Sepassi | |
| Name: | Darius Sepassi | |
| Title: | Vice President | |
| BEP Diamond Aggregator L.P. | ||
| By: BCP VII/BEP II Holdings Manager L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: | Omar Rehman | |
| Title: | Chief Compliance Officer and Secretary | |
| BCP VII/BEP II Holdings Manager L.L.C. | ||
| By: | /s/ Omar Rehman | |
| Name: | Omar Rehman | |
| Title: | Chief Compliance Officer and Secretary | |
| Blackstone Energy Management Associates II L.L.C. | ||
| By: Blackstone EMA II L.L.C., its sole member | ||
| By: | /s/ Tabea Hsi | |
| Name: | Tabea Hsi | |
| Title: | Authorized Signatory | |
| Blackstone Management Associates VII L.L.C. | ||
| By: BMA VII L.L.C., its sole member | ||
| By: | /s/ Tabea Hsi | |
| Name: | Tabea Hsi | |
| Title: | Authorized Signatory | |
| BMA VII L.L.C. | ||
| By: | /s/ Tabea Hsi | |
| Name: | Tabea Hsi | |
| Title: | Authorized Signatory | |
| Blackstone EMA II L.L.C. | ||
| By: | /s/ Tabea Hsi | |
| Name: | Tabea Hsi | |
| Title: | Authorized Signatory | |
| Blackstone Holdings III L.P. | ||
| By: Blackstone Holdings III GP L.P., its general partner | ||
| By: Blackstone Holdings III GP Management L.L.C., its general partner | ||
| By: | /s/ Tabea Hsi | |
| Name: | Tabea Hsi | |
| Title: | Senior Managing Director | |
| Blackstone Holdings III GP L.P. | ||
| By: Blackstone Holdings III GP Management L.L.C., its general partner | ||
| By: | /s/ Tabea Hsi | |
| Name: | Tabea Hsi | |
| Title: | Senior Managing Director | |
| Blackstone Holdings III GP Management L.L.C. | ||
| By: | /s/ Tabea Hsi | |
| Name: | Tabea Hsi | |
| Title: | Senior Managing Director | |
| Blackstone Inc. | ||
| By: | /s/ Tabea Hsi | |
| Name: | Tabea Hsi | |
| Title: | Senior Managing Director | |
| Blackstone Group Management L.L.C. | ||
| By: | /s/ Tabea Hsi | |
| Name: | Tabea Hsi | |
| Title: | Senior Managing Director | |
| Stephen A. Schwarzman | ||
| /s/ Stephen A. Schwarzman | ||
