X0306 4 2016-06-07 0001163739 NABORS INDUSTRIES LTD NBR 0001334321 Restrepo William J C/O NABORS CORPORATE SERVICES, INC. 515 W. GREENS RD., SUITE 1200 HOUSTON TX 77067 1 Chief Financial Officer Common Stock 2016-06-07 4 A 0 201238 0 A 837754 D These performance shares were earned pursuant to Mr. Restrepo's employment agreement based upon the achievement of certain objectives for the year 2015 as determined by the Compensation Committee of the Board of Directors on February 19, 2016. The shares are scheduled to vest in three (3) equal annual installments beginning on June 7, 2017. /s/ Mark D. Andrews by Power of Attorney for William Restrepo 2016-06-09