144 0001196793 XXXXXXXX LIVE 0000046765 Helmerich & Payne 001-04221 222 No Detroit Ave Tulsa OK 74120 918-742-5531 Hans Helmerich board member common Merrill Lynch

6100 South Yale Ave STE 1500 Tulsa OK 74136

75000 4341000 98448373 12/19/2025 NYSE common 12/07/2016 stock option exercise Hans Helmerich N 2009 12/07/2016 stock option exercise common 12/06/2013 stock option exercise hans helmerich N 1722 12/06/2013 stock option exercise common 01/10/2012 inheritance Walter Helmerich N 50000 01/10/2012 n/a common 12/04/2015 stock option exercise Hans Helmerich N 3731 12/04/2015 stock option exercise common 12/07/2014 stock option exercise hans helmerich N 2870 12/07/2014 stock option exercise common 12/06/2014 stocl option exercise hans helmerich N 1722 12/06/2014 stock option exercise common 12/04/2014 stock option exercise hans helmerich N 2009 12/04/2014 stock option exercise common 11/25/2014 stock option exercise hans helmerich N 3911 11/25/2014 stock option exercise common 03/18/2014 stock option exercise hans Helmerich N 4953 03/17/2014 stock option exercise common 12/07/2013 stock option exercise hans helmerich N 2870 12/07/2013 stock option exercise Y Hans Helmerich 12/19/2025 Hans Helmerich