Exhibit 99.1 Signatures of Reporting Persons WP X FINANCE, L.P. By: WPX GP, L.P., its managing general partner By: Warburg Pincus Private Equity X, L.P., its general partner By: Warburg Pincus X, L.P., its general partner By: Warburg Pincus X GP L.P., its general partner By: WPP GP LLC, its general partner By: Warburg Pincus Partners, L.P., its managing member By: Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WPX GP, L.P. By: Warburg Pincus Private Equity X, L.P., its general partner By: Warburg Pincus X, L.P., its general partner By: Warburg Pincus X GP L.P., its general partner By: WPP GP LLC, its general partner By: Warburg Pincus Partners, L.P., its managing member By: Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WARBURG PINCUS PRIVATE EQUITY X, L.P. By: Warburg Pincus X, L.P., its general partner By: Warburg Pincus X GP L.P., its general partner By: WPP GP LLC, its general partner By: Warburg Pincus Partners, L.P., its managing member By: Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WARBURG PINCUS X PARTNERS, L.P. By: Warburg Pincus X, L.P., its general partner By: Warburg Pincus X GP L.P., its general partner By: WPP GP LLC, its general partner By: Warburg Pincus Partners, L.P., its managing member By: Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WARBURG PINCUS X, L.P. By: Warburg Pincus X GP L.P., its general partner By: WPP GP LLC, its general partner By: Warburg Pincus Partners, L.P., its managing member By: Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WARBURG PINCUS X GP L.P. By: WPP GP LLC, its general partner By: Warburg Pincus Partners, L.P., its managing member By: Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WPP GP LLC By: Warburg Pincus Partners, L.P., its managing member By: Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: /s/ Robert B. Knauss Name: Robert B. Knauss -------------------------------------- Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WARBURG PINCUS PARTNERS, L.P. By: Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WARBURG PINCUS PARTNERS GP LLC By: Warburg Pincus & Co., its managing member By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WARBURG PINCUS & CO. By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Partner 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person WARBURG PINCUS LLC By: /s/ Robert B. Knauss -------------------------------------- Name: Robert B. Knauss Title: Managing Director 05/07/2020 ------------------------------------------ Date **Signature of Reporting Person