144 0001546374 XXXXXXXX LIVE 0000889900 Patterson-UTI Energy, Inc. 001-39270 10713 W. Sam Houston PKWY N, Suite 800 Houston TX 77064 281-765-7100 William A. Hendricks President & CEO Common J.P. Morgan Securities LLC 270 Park Avenue - 10th Floor New York NY 10017 250000 3007500 381384874 09/18/2026 NASDAQ Common 03/14/2022 Compensation Issuer N 250000 03/14/2022 N/A N William Hendricks 10713 WEST SAM HOUSTON PARKWAY NORTH Suite 800 Houston TX 77064 Common 09/02/2026 250000 3231275 09/18/2026 06/18/2026 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for William A. Hendricks