144 0001538623 XXXXXXXX LIVE 0000889900 Patterson UTI Energy 001-39270 10713 W Sam Houston Pkwy N Ste 800 Houston TX 77064 2817657100 James M Holcomb President Common Merrill 9595 Six Pines Drive Ste 8380 The Woodlands TX 77380 150000 1720205.1 379617653 05/28/2026 NASDAQ Common 05/02/2018 Equity Compensation Issuer N 60 05/02/2018 Equity Compensation Common 06/09/2018 Equity Compensation Issuer N 15567 06/09/2018 Equity Compensation Common 07/12/2018 Equity Compensation Issuer N 11523 07/12/2018 Equity Compensation Common 04/24/2020 Equity Compensation Issuer N 12128 04/24/2020 Equity Compensation Common 04/24/2020 Equity Compensation Issuer N 12129 04/24/2020 Equity Compensation Common 04/24/2020 Equity Compensation Issuer N 8941 04/24/2020 Equity Compensation Common 07/12/2020 Equity Compensation Issuer N 1103 07/12/2020 Equity Compensation Common 07/12/2020 Equity Compensation Issuer N 13270 07/12/2020 Equity Compensation Common 04/07/2021 Equity Compensation Issuer N 18710 04/07/2021 Equity Compensation Common 04/23/2021 Equity Compensation Issuer N 9355 04/23/2021 Equity Compensation Common 04/26/2022 Equity Compensation Issuer N 8037 04/26/2022 Equity Compensation Common 04/27/2022 Equity Compensation Issuer N 15000 04/27/2022 Equity Compensation Common 05/05/2023 Equity Compensation Issuer N 24177 05/05/2023 Equity Compensation Y 05/28/2026 James M Holcomb