X0206 3/A 2017-09-22 2017-06-05 0 0000085408 ROWAN COMPANIES PLC RDC 0001708521 McHenry Kelly Andrew 2800 POST OAK BLVD., SUITE 5450 HOUSTON TX 77056 0 1 0 0 Vice President, Drilling Oprs Class A Ordinary Shares 48722 D This Form 3 is being amended to include 2,869 unrestricted shares, which were omitted on the reporting person's original Form 3 (filed on June 5, 2017) and were omitted from one Form 4 (filed on August 2, 2017). /s/ Mark F. Mai, Attorney-in-Fact 2017-09-25