EXHIBIT A
JOINT FILING AGREEMENT
This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the Class A common stock, par value $0.001 per share, of Earthstone Energy, Inc. (this “Agreement”), is being filed, and all amendments thereto will be filed, on behalf of each of the persons and entities named below that is named as a reporting person in such filing in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.
Dated: August 22, 2022
| Warburg Pincus Private Equity (E&P) XI – A, L.P. | ||
| By: | Warburg Pincus (E&P) XI, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XI LLC, its general partner | |
| By: | Warburg Pincus Partners (E&P) XI LLC, its sole | |
| member | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| Warburg Pincus XI (E&P) Partners – A, L.P. | ||
| By: | Warburg Pincus (E&P) XI, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XI LLC, its general partner | |
| By: | Warburg Pincus Partners (E&P) XI LLC, its sole | |
| member | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
WP IRH Holdings, L.P. | ||
| By: | Warburg Pincus (E&P) XI, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XI LLC, its general partner | |
| By: | Warburg Pincus Partners (E&P) XI LLC, its sole | |
| member | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| Warburg Pincus XI (E&P) Partners-B IRH, LLC | ||
| By: | Warburg Pincus XI (E&P) Partners – B, L.P., its | |
| managing member | ||
| By: | Warburg Pincus (E&P) XI, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XI LLC, its general partner | |
| By: | Warburg Pincus Partners (E&P) XI LLC, its sole | |
| member | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| Warburg Pincus XI (E&P) Partners – B, L.P. | ||
| By: | Warburg Pincus (E&P) XI, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XI LLC, its general partner | |
| By: | Warburg Pincus Partners (E&P) XI LLC, its sole | |
| member | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| Warburg Pincus (E&P) XI LLC | ||
| By: | Warburg Pincus Partners (E&P) XI LLC, its sole | |
| member | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| Warburg Pincus Partners (E&P) XI LLC | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| WP Energy IRH Holdings, L.P. | ||
| By: | Warburg Pincus (E&P) Energy GP, L.P., its general | |
| partner | ||
| By: | Warburg Pincus (E&P) Energy LLC, its general | |
| partner | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| WP Energy Partners IRH Holdings, L.P. | ||
| By: | Warburg Pincus (E&P) Energy GP, L.P., its general | |
| partner | ||
| By: | Warburg Pincus (E&P) Energy LLC, its general | |
| partner | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| Warburg Pincus Energy (E&P) Partners-B IRH, LLC | ||
| By: | Warburg Pincus Energy (E&P) Partners-B, L.P., its | |
| managing member | ||
| By: | Warburg Pincus (E&P) Energy GP, L.P., its general | |
| partner | ||
| By: | Warburg Pincus (E&P) Energy LLC, its general | |
| partner | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| Warburg Pincus Energy (E&P) Partners-B, L.P. | ||
| By: | Warburg Pincus (E&P) Energy GP, L.P., its general | |
| partner | ||
| By: | Warburg Pincus (E&P) Energy LLC, its general | |
| partner | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| Warburg Pincus Energy (E&P) Partners-A, L.P. | ||
| By: | Pincus (E&P) Energy GP, L.P., its general partner | |
| By: | Warburg Pincus (E&P) Energy LLC, its general | |
| partner | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| Warburg Pincus Energy (E&P)-A, L.P. | ||
| By: | Warburg Pincus (E&P) Energy GP, L.P., its general | |
| partner | ||
| By: | Warburg Pincus (E&P) Energy LLC, its general | |
| partner | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| WARBURG PINCUS (E&P) XII, L.P. | ||
| By: | Warburg Pincus (E&P) XII LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing | |
| member | ||
| By: | Warburg Pincus & Company US, LLC, its general | |
| partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| WARBURG PINCUS (E&P) XII LLC | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WARBURG PINCUS ENERGY (E&P) PARTNERS-B CHISHOLM, LLC | ||
| By: | Warburg Pincus Energy (E&P) Partners-B, L.P., | |
| its managing member | ||
| By: | Warburg Pincus (E&P) Energy GP, L.P., its | |
| general partner | ||
| By: | Warburg Pincus (E&P) Energy LLC, its general | |
| partner | ||
| By: | Warburg Pincus Partners II (US), L.P., its | |
| managing member | ||
| By: | Warburg Pincus & Company US, LLC, its | |
| general partner | ||
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WP ENERGY CHISHOLM HOLDINGS, L.P. | ||
| By: | Warburg Pincus (E&P) Energy GP, L.P., its general partner | |
| By: | Warburg Pincus (E&P) Energy LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WP ENERGY PARTNERS CHISHOLM HOLDINGS, L.P. | ||
| By: | Warburg Pincus (E&P) Energy GP, L.P., its general partner | |
| By: | Warburg Pincus (E&P) Energy LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WARBURG PINCUS PRIVATE EQUITY (E&P) XII (A), L.P. | ||
| By: | Warburg Pincus (E&P) XII, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XII LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WP XII CHISHOLM HOLDINGS, L.P. | ||
| By: | Warburg Pincus (E&P) XII, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XII LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WARBURG PINCUS XII (E&P) PARTNERS-2 CHISHOLM, LLC | ||
| By: | Warburg Pincus XII (E&P) Partners-2, L.P., its managing member | |
| By: | Warburg Pincus (E&P) XII, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XII LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WARBURG PINCUS PRIVATE EQUITY (E&P) XII-D (A), L.P. | ||
| By: | Warburg Pincus (E&P) XII, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XII LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WARBURG PINCUS PRIVATE EQUITY (E&P) XII-E (A), L.P. | ||
| By: | Warburg Pincus (E&P) XII, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XII LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WP XII (E&P) PARTNERS (A), L.P. | ||
| By: | Warburg Pincus (E&P) XII, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XII LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WARBURG PINCUS XII (E&P) PARTNERS-1, L.P. | ||
| By: | Warburg Pincus (E&P) XII, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XII LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WARBURG PINCUS XII (E&P) PARTNERS-2, L.P. | ||
| By: | Warburg Pincus (E&P) XII, L.P., its general partner | |
| By: | Warburg Pincus (E&P) XII LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: Authorized Signatory | ||
| WARBURG PINCUS (E&P) ENERGY GP, L.P. | ||
| By: | Warburg Pincus (E&P) Energy LLC, its general partner | |
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: Robert B. Knauss | ||
| Title: | Authorized Signatory | |
| WARBURG PINCUS (E&P) ENERGY LLC | ||
| By: | Warburg Pincus Partners II (US), L.P., its managing member | |
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| WARBURG PINCUS PARTNERS II (US), L.P. | ||
| By: | Warburg Pincus & Company US, LLC, its general partner | |
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| WARBURG PINCUS & COMPANY US, LLC | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Authorized Signatory | |
| WARBURG PINCUS LLC | ||
| By: | /s/ Robert B. Knauss | |
| Name: | Robert B. Knauss | |
| Title: | Managing Director | |
