Pioneer Energy Services Corp. Indenture Agreements

Second Supplemental Indenture to the Convertible Notes Indenture, dated October 1, 2021 (Filed With SEC on October 4, 2021)

Third Supplemental Indenture to the Senior Secured Notes Indenture, dated August 25, 2021 (Filed With SEC on August 30, 2021)

First Supplemental Indenture to the Convertible Notes Indenture, dated May 11, 2021 (Filed With SEC on May 14, 2021)

Second Supplemental Indenture to the Senior Secured Notes Indenture, dated May 11, 2021 (Filed With SEC on May 14, 2021)

First Supplemental Indenture, dated March 3, 2021 (Filed With SEC on March 5, 2021)

Senior Secured Notes Indenture, dated May 29, 2020 (Filed With SEC on June 2, 2020)

Convertible Notes Indenture, dated May 29, 2020 (Filed With SEC on June 2, 2020)

PIONEER ENERGY SERVICES CORP. AND EACH OF THE GUARANTORS PARTY HERETO 6.125% SENIOR NOTES DUE 2022 INDENTURE Dated as ofMarch 18, 2014 WELLS FARGO BANK, NATIONAL ASSOCIATION as... (Filed With SEC on March 18, 2014)

SECOND SUPPLEMENTAL INDENTURE (Filed With SEC on November 1, 2012)

FIRST SUPPLEMENTAL INDENTURE (Filed With SEC on November 21, 2011)

PIONEER DRILLING COMPANY AND EACH OF THE GUARANTORS PARTYHERETO 9 7/8% SENIOR NOTES DUE 2018 INDENTURE Dated as of March 11, 2010 WELLS FARGO BANK, NATIONAL ASSOCIATION as Trustee... (Filed With SEC on March 12, 2010)