Common use of PERMIAN RESOURCES CORPORATION Clause in Contracts

PERMIAN RESOURCES CORPORATION. By: /s/ Xxxxx Xxxxxx Name: Xxxxx Xxxxxx Title: Co-Chief Executive Officer Signature Page to Voting and Support Agreement HOLDERS: PEARL ENERGY INVESTMENTS, L.P. By: Pearl Energy Investment GP, LP., its general partner By: Pearl Energy Investment UGP, LLC, its general partner By: /s/ Xxxxxxx X. Xxxxx Name: Xxxxxxx X. Xxxxx Title: Managing Member PEARL ENERGY INVESTMENTS II, L.P. By: Pearl Energy Investment II GP, LP., its general partner By: Pearl Energy Investment II UGP, LLC, its general partner By: /s/ Xxxxxxx X. Xxxxx Name: Xxxxxxx X. Xxxxx Title: Managing Member PEARL CIII HOLDINGS, L.P. By: Pearl Energy Investment II GP, LP., its general partner By: Pearl Energy Investment II UGP, LLC, its general partner By: /s/ Xxxxxxx X. Xxxxx Name: Xxxxxxx X. Xxxxx Title: Managing Member Signature Page to Voting and Support Agreement COMPANY: EARTHSTONE ENERGY, INC. By: /s/ Xxxxxx X. Xxxxxxxx Name: Xxxxxx X. Xxxxxxxx Title: President and Chief Executive Officer Signature Page to Voting and Support Agreement SCHEDULE I Number of Shares Beneficially Owned Pearl Energy Investments, L.P.: Parent Class A common stock: 0 Parent Class C common stock: 56,429,386 Pearl Energy Investments II, L.P.: Parent Class A common stock: 0 Parent Class C common stock: 16,094,353 Pearl CIII Holdings, L.P.: Parent Class A common stock: 0 Parent Class C common stock: 16,609,730

PERMIAN RESOURCES CORPORATION. By: /s/ Xxxxx Xxxxxx Name: Xxxxx Xxxxxx Title: Co-Chief Executive Officer Signature Page Schedule I to Voting and Support Agreement HOLDERS: PEARL ENERGY INVESTMENTSRIVERSTONE VI CENTENNIAL QB HOLDINGS, L.P. By: Pearl Riverstone Energy Investment GPPartners VI, LP., L.P. its general partner By: Pearl Riverstone Energy Investment UGPGP VI, LLC, LLC its general partner By: /s/ Xxxxxxx X. Xxxxx Xxxxxxxxxxx Name: Xxxxxxx X. Xxxxx Xxxxxxxxxxx Title: Managing Member PEARL ENERGY INVESTMENTS IIDirector REL US CENTENNIAL HOLDINGS, L.P. LLC By: Pearl Energy Investment II GP, LP., REL IP General Partner LP its general partner managing member By: Pearl Energy Investment II UGP, LLC, REL IP General Partner Limited its general partner By: /s/ Xxxxxxx X. Xxxxx Xxxxxxxxxxx Name: Xxxxxxx X. Xxxxx Xxxxxxxxxxx Title: Managing Member PEARL CIII HOLDINGSDirector RIVERSTONE NON-ECI USRPI AIV, L.P. By: Pearl Energy Investment II Riverstone Non-ECI USRPI AIV GP, LP., its general partner By: Pearl Energy Investment II UGP, LLC, L.L.C. its general partner By: /s/ Xxxxxxx X. Xxxxx Xxxxxxxxxxx Name: Xxxxxxx X. Xxxxx Xxxxxxxxxxx Title: Managing Member Director SILVER RUN SPONSOR, LLC By: Silver Run Sponsor Manager, LLC its managing member By: /s/ Xxxxx Xxxxxxxxxxx Name: Xxxxx Xxxxxxxxxxx Title: Managing Director Signature Page to Voting and Support Agreement COMPANY: EARTHSTONE ENERGY, INC. By: /s/ Xxxxxx X. Xxxxxxxx Name: Xxxxxx X. Xxxxxxxx Title: President and Chief Executive Officer Signature Page to Voting and Support Agreement SCHEDULE I Number of Shares Beneficially Owned Pearl Energy Investments, L.P.: Parent Class A common stock: 0 Parent Class C common stock: 56,429,386 Pearl Energy Investments II, L.P.: Parent Class A common stock: 0 Parent Class C common stock: 16,094,353 Pearl CIII Riverstone VI Centennial QB Holdings, L.P.: Parent Class A common stock: 0 41,084,578 REL US Centennial Holdings, LLC: Parent Class C A common stock: 16,609,73010,052,173 Riverstone Non-ECI USRPI AIV, L.P.: Parent Class A common stock: 4,129,918 Silver Run Sponsor, LLC: Parent Class A common stock: 2,006,422