Patterson-UTI Energy Human Resources Contracts & Agreements

NexTier Oilfield Solutions Inc. Equity and Incentive Award Plan, as amended September 1, 2023 (Filed With SEC on September 1, 2023)

NexTier Oilfield Solutions Inc. (Former C&J Energy) Management Incentive Plan, as amended September 1, 2023 (Filed With SEC on September 1, 2023)

Amendment to the Patterson-UTI Energy, Inc. 2021 Long-Term Incentive Plan, as amended (Filed With SEC on September 1, 2023)

Separation Agreement and General Release of Claims. dated September 1, 2023, by and between NexTier Oilfield Solutions Inc. and Robert W. Drummond (Filed With SEC on September 1, 2023)

Employment Agreement, dated as of January 1, 2023, between Patterson-UTI Energy, Inc. and James M. Holcomb (Filed With SEC on January 3, 2023)

Form of Executive Officer Share-Settled Performance Share Award Agreement (Filed With SEC on August 3, 2021)

First Amendment to Employment Agreement, effective as April 9, 2021, by and between Patterson-UTI Energy, Inc. and William Andrew Hendricks, Jr (Filed With SEC on August 3, 2021)

First Amendment to Employment Agreement, effective as April 9, 2021, by and between Patterson-UTI Energy, Inc. and C. Andrew Smith (Filed With SEC on August 3, 2021)

First Amendment to Employment Agreement, effective as April 9, 2021, by and between Patterson-UTI Energy, Inc. and Seth D. Wexler (Filed With SEC on August 3, 2021)

First Amendment to Employment Agreement, effective as April 9, 2021, by and between Patterson-UTI Energy, Inc. and James M. Holcomb (Filed With SEC on August 3, 2021)

Form of Executive Officer Share-Settled Performance Share Award Agreement (Filed With SEC on July 28, 2020)

Amendment No. 1 to Performance Share Award Agreement, dated May 11, 2020, by and between Patterson-UTI Energy, Inc. and William A. Hendricks, Jr (Filed With SEC on July 28, 2020)

Employment Agreement, dated as of April 8, 2020, between Patterson-UTI Management Services, LLC and Mark S. Siegel (Filed With SEC on April 9, 2020)

Patterson-UTI Energy, Inc. 2014 Long-Term Incentive Plan, as amended and restated and further amended effective June 6, 2019 (Filed With SEC on June 6, 2019)

Form of Executive Officer Share-Settled Performance Share Award Agreement (Filed With SEC on February 13, 2019)

Employment Agreement, dated as of December 22, 2017, between Patterson-UTI Energy, Inc. and John E. Vollmer III (Filed With SEC on December 27, 2017)

Securities Purchase Agreement, dated September 4, 2017, between Patterson-UTI Energy, Inc., certain holders of limited liability company interests of Multi-Shot, LLC, Multi-Shot,... (Filed With SEC on September 8, 2017)

Employment Agreement, dated as of September 3, 2017, between Patterson-UTI Energy, Inc. and C. Andrew Smith (Filed With SEC on September 8, 2017)

Exhibit 10.5 EXECUTIVE OFFICER RESTRICTED STOCK UNIT AWARD AGREEMENT PATTERSON-UTI ENERGY, INC. 2014 LONG-TERM INCENTIVE PLAN (As Amended and Restated Effective June 29, 2017) (Filed With SEC on August 4, 2017)

PATTERSON-UTI ENERGY, INC. 2014 LONG-TERM INCENTIVE PLAN (As Amended and Restated Effective June 29, 2017) (Filed With SEC on June 30, 2017)

EMPLOYMENT AGREEMENT (Filed With SEC on February 13, 2017)

EMPLOYMENT AGREEMENT (Filed With SEC on January 17, 2017)

EMPLOYMENT AGREEMENT (Filed With SEC on August 2, 2016)

EXECUTIVE OFFICER RESTRICTED STOCK AWARD AGREEMENT Patterson-UTI Energy, Inc. 2014 Long-Term Incentive Plan (Filed With SEC on May 2, 2016)

Patterson-UTI Energy, Inc. 2014 Long-Term Incentive Plan SHARE-SETTLED PERFORMANCE SHARE AWARD AGREEMENT __________, 20__ (Filed With SEC on May 2, 2016)

PATTERSON-UTI ENERGY, INC. 2014 LONG-TERM INCENTIVE PLAN (Filed With SEC on April 21, 2014)

PATTERSON-UTI ENERGY, INC. 2014 LONG-TERM INCENTIVE PLAN SHARE-SETTLED PERFORMANCE SHARE AWARD AGREEMENT ,20 (Filed With SEC on April 21, 2014)

EXECUTIVE OFFICER RESTRICTED STOCK AWARD AGREEMENT PATTERSON-UTI ENERGY, INC. 2014 LONG-TERM INCENTIVE PLAN (Filed With SEC on April 21, 2014)

EXECUTIVE OFFICER STOCKOPTION AGREEMENT PATTERSON-UTI ENERGY, INC. 2014 LONG-TERM INCENTIVE PLAN (Filed With SEC on April 21, 2014)

NON-EMPLOYEE DIRECTOR RESTRICTED STOCK AWARD AGREEMENT PATTERSON-UTI ENERGY, INC. 2014 LONG-TERM INCENTIVE PLAN (Filed With SEC on April 21, 2014)

NON-EMPLOYEE DIRECTOR STOCK OPTION AGREEMENT PATTERSON-UTI ENERGY, INC. 2014 LONG-TERM INCENTIVE PLAN (Filed With SEC on April 21, 2014)

EMPLOYMENT AGREEMENT (Filed With SEC on September 24, 2012)

PATTERSON-UTI ENERGY, INC. SEVERANCE AGREEMENT (Filed With SEC on July 30, 2012)

PATTERSON-UTI ENERGY, INC. CHANGE IN CONTROL AGREEMENT (Filed With SEC on July 30, 2012)

EMPLOYMENT AGREEMENT (Filed With SEC on February 10, 2012)

THIRD AMENDMENT TO THE PATTERSON-UTI ENERGY, INC. 2005 LONG-TERM INCENTIVE PLAN (Filed With SEC on April 27, 2010)

FOURTH AMENDMENT TO THE PATTERSON-UTI ENERGY, INC. 2005 LONG-TERM INCENTIVE PLAN (Filed With SEC on April 27, 2010)

FIRST AMENDMENT TO THE PATTERSON-UTI ENERGY, INC. 2005 LONG-TERM INCENTIVE PLAN (Filed With SEC on June 6, 2008)

SECOND AMENDMENT TO THE PATTERSON-UTI ENERGY, INC. 2005 LONG-TERM INCENTIVE PLAN (Filed With SEC on June 6, 2008)

Change in Control Agreement - William L. Moll, Jr (Filed With SEC on November 5, 2007)