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IADC ISP PROGRAM 2016 Summary of Occupational Incidents (Middle East Land Totals) Issued 1 July 2017

Table of Contents (Table of Contents is Hyperlinked, Just click on Topic & go) IADC 2016 MIDDLE EAST LAND TOTALS (TABLE 1)... 1 Middle East Land Total LTI & Recordable Incidence Rates vs Man-hours (Figure 1)... 1 IADC 2016 MIDDLE EAST LAND CHARTS... 2 Middle East Land Total Lost Time Incidents by Month (Chart 1)... 2 Middle East Land Total Recordable Incidents by Month (Chart 2)... 3 Middle East Land Total Lost Time Incidents by Occupation (Chart 3)... 4 Middle East Land Total Recordable Incidents by Occupation (Chart 4)... 5 Middle East Land Total Lost Time Incidents by Body Part (Chart 5)... 6 Middle East Land Total Recordable Incidents by Body Part (Chart 6)... 7 Middle East Land Total Lost Time Incidents by Incident Type (Chart 7)... 8 Middle East Land Total Recordable Incidents by Incident Type (Chart 8)... 9 Middle East Land Total Lost Time Incidents by Equipment (Chart 9)... 10 Middle East Land Total Recordable Incidents by Equipment (Chart 10)... 11 Middle East Land Total Lost Time Incidents by Operation (Chart 11)... 12 Middle East Land Total Recordable Incidents by Operation (Chart 12)... 13 Middle East Land Total Lost Time Incidents by Location (Chart 13)... 14 Middle East Land Total Recordable Incidents by Location (Chart 14)... 15 Middle East Land Total Lost Time Incidents by Time in Service (Chart 15)... 16 Middle East Land Total Recordable Incidents by Time in Service (Chart 16)... 17 Middle East Land Total Lost Time Incidents by Time of Day (Chart 17)... 18 Middle East Land Total Recordable Incidents by Time of Day (Chart 18)... 19 Middle East Land Total Lost Time Incidents by Age (Chart 19)... 20 Middle East Land Total Recordable Incidents by Age (Chart 20)... 21 Issued 1 July 2017

IADC 2016 Middle East Land Totals (Table 1) Total Total Man-hours 100,829,919 Total Medical Treatment Incidents 125 Total Restricted Work Incidents 56 Total Lost Time Incidents 62 Total Fatalities 3 Total Recordables 246 MTO Incidence Rate 0.25 RWC Incidence Rate 0.11 LTI Incidence Rate 0.13 LTI Frequency Rate 0.64 DART Incidence Rate 0.24 DART Frequency Rate 1.20 Recordable Incidence Rate 0.49 Recordable Frequency Rate 2.44 Companies Reporting: Land 20 Medical Treatment Incidence Rate = MTOs X 200,000 Restricted Work Incidence Rate = RWCs X 200,000 Lost Time Incidence Rate = LTIs + FTLs X 200,000 Lost Time Frequency Rate = LTIs +FTLs X 1,000,000 DART Incidence Rate = LTIs + RWC X 200,000 DART Frequency Rate = LTIs + RWC X 1,000,000 Recordable Incidence Rate = RCRD X 200,000 Recordable Frequency Rate = RCRD X 1,000,000 Middle East Land Total LTI & Recordable Incidence Rates vs Man-hours (Figure 1) 1.2 120000000 1 100000000 0.8 0.6 0.4 0.2 0 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Incidence Rate 80000000 60000000 40000000 Man-hours 20000000 0 LTI Rate Rec. Rate DART Rate Man-hours Issued 1 July 2017 1

IADC 2016 Middle East Land Charts Middle East Land Total Lost Time Incidents by Month (Chart 1) Based on 62 Incidents November 6.45% December January February 11.29% October 9.68% September August March 19.35% July June 11.29% May 9.68% April 12.90% Issued 1 July 2017 2

Middle East Land Total Recordable Incidents by Month (Chart 2) Based on 246 Incidents November 6.10% December 2.44% January 8.54% October 8.94% February 10.57% September 4.47% August 10.16% March 14.23% July 6.91% April 10.16% June 8.94% May 8.54% Issued 1 July 2017 3

Middle East Land Total Lost Time Incidents by Occupation (Chart 3) Based on 62 Incidents Deck Supervisor (Deck Coordinator) Welder Rig Helper Safety Officer Crane / Forklift Operator Mechanic Roustabout (Lease Hand) 22.58% Electrician 9.68% Toolpusher (Asst.TP, Tourpusher) Floorman 19.35% Driller (Asst. Dr.) 19.35% Derrickman 8.06% Issued 1 July 2017 4

Middle East Land Total Recordable Incidents by Occupation (Chart 4) Based on 246 Incidents Rig Helper 0.81% Welder 2.03% Maintenance Super Catering / Camp Personnel 4.88% Deck Supervisor (Deck Coordinator) Truck Driver / Pusher 0.81% Safety Officer Superintendent/other Supervisors 2.85% Crane / Forklift Operator 1.63% Mechanic 3.25% Roustabout (Lease Hand) 30.49% Electrician 4.07% Toolpusher (Asst.TP, Tourpusher) 3.25% Driller (Asst. Dr.) 10.98% Derrickman 8.54% Floorman 25.20% Issued 1 July 2017 5

Middle East Land Total Lost Time Incidents by Body Part (Chart 5) Based on 62 Incidents Shoulder(s) 6.45% Elbow(s) Knee(s) Eyes (eyelid) Toes Head 17.74% Back Trunk/Torso (chest, abdomen, groin) Arm(s) Feet/Ankles 25.81% Hand(s) / Wrist(s) 8.06% Finger(s) 14.52% Leg(s) 9.68% Issued 1 July 2017 6

Middle East Land Total Recordable Incidents by Body Part (Chart 6) Based on 246 Incidents Shoulder(s) 2.03% Elbow(s) Knee(s) 2.03% Lungs/Respiratory Digestive/Internal Neck Eyes (eyelid) 1.22% Toes 1.22% Head 17.48% Feet/Ankles 11.79% Back 2.03% Leg(s) 6.10% Trunk/Torso (chest, abdomen, groin) 3.25% Arm(s) 2.85% Hand(s) / Wrist(s) 11.79% Finger(s) 36.59% Issued 1 July 2017 7

Middle East Land Total Lost Time Incidents by Incident Type (Chart 7) Based on 62 Incidents Cut Vehicle Flame/heat/steam (contact/exposed) 11.29% Struck By 25.81% Strain/Overexertion Slip/Fall: Different Level 19.35% Struck Against Slip/Fall: Same Level 6.45% Caught Between/In 25.81% Issued 1 July 2017 8

Middle East Land Total Recordable Incidents by Incident Type (Chart 8) Based on 246 Incidents Debris Cut 6.10% Vehicle 1.63% Chemical Inhalation Sprain 0.81% Heat Exhaustion/Heat Stroke Flame/heat/steam (contact/exposed) 4.88% Contact With Chemicals/Fluids 0.81% Struck By 26.83% Strain/Overexertion 2.44% Slip/Fall: Different Level 9.76% Struck Against 5.28% Slip/Fall: Same Level 5.69% Caught Between/In 34.55% Issued 1 July 2017 9

Middle East Land Total Lost Time Incidents by Equipment (Chart 9) Based on 61 Incidents Top Drive (blocks, swivel, kelly) 1.64% Rig Floor Winch/Deck Winch (air/hydraulic) 1.64% Elevators 1.64% Slips (drill collar clamp) 3.28% Welding, Cutting, Grinding Equipment 11.48% Spinning Chain 1.64% Decks (grating, walkway) 3.28% Iron Roughneck, Pipe Spinner, etc. 4.92% Ladders 9.84% Pipes/Collars/Tubulars/Csg. 16.39% Forklift 3.28% Slings (rope, cable, chain, web) 6.56% Crane 1.64% Hand Tools: Manual 3.28% Pressure Hoses/Lines 8.20% Material 3.28% Engines/Pumps/Machinery 4.92% BOP Stack (well head, tree) 3.28% Stairs 6.56% Car,truck,bus 3.28% Issued 1 July 2017 10

Middle East Land Total Recordable Incidents by Equipment (Chart 10) Based on 236 Incidents Chemicals (sack, drum, pail, bulk hopper) 0.43% Welding, Cutting, Grinding Equipment 3.83% Decks (grating, walkway) 7.66% Top Drive (blocks, swivel, kelly) 2.13% Rig Floor Winch/Deck Winch (air/hydraulic) 1.28% Tongs 3.83% Elevators 2.55% Slips (drill collar clamp) 1.28% Spinning Chain 0.43% Ladders 3.40% Iron Roughneck, Pipe Spinner, etc. 3.83% Forklift 1.28% Pipes/Collars/Tubulars/Csg. 11.91% Crane 2.55% Cathead/Drawworks 0.85% Pressure Hoses/Lines 6.38% Slings (rope, cable, chain, web) 6.38% Material 9.36% BOP Stack (well head, tree) 3.40% Stairs 4.68% Hand Tools: Power 2.13% Hand Tools: Manual 11.06% Car,truck,bus 2.55% Engines/Pumps/Machinery 6.81% Issued 1 July 2017 11

Middle East Land Total Lost Time Incidents by Operation (Chart 11) Based on 62 Incidents Painting (painting related tasks) Travel/Transportation Tripping in/out 8.06% Making Connection Special Operations Walking Running Casing/Tubing 8.06% Equipment Repairs or Maintenance Laying Down/Picking up Tubulars 6.45% BOP Stack Install/Maintenance 8.06% Material Handling: Manual Material Handling: Crane/Cherry Picker Material Handling: Winch Truck Rigging Up/Down 33.87% Material Handling: Forklift 6.45% Issued 1 July 2017 12

Middle East Land Total Recordable Incidents by Operation (Chart 12) Based on 245 Incidents Training Painting (painting related tasks) Travel/Transportation 2.45% Rig Move (Towing/Anchor Handling) 0.82% Tripping in/out 10.61% Walking 6.12% Making Connection 4.08% Special Operations 0.82% Routine Drilling Oper. 5.31% Mud Mixing/Pumping 1.63% Running Casing/Tubing 5.31% Equipment Repairs or Maintenance 11.02% Laying Down/Picking up Tubulars 6.94% BOP Stack Install/Maintenance 6.94% Material Handling: Manual 9.39% Material Handling: Crane/Cherry Picker 3.67% Rigging Up/Down 20.82% Material Handling: Forklift 2.45% Material Handling: Winch Truck 0.82% Issued 1 July 2017 13

Middle East Land Total Lost Time Incidents by Location (Chart 13) Based on 62 Incidents Truck,Car,Bus Mud Pump Room Forklift Rig Floor 17.74% Cellar / Sub / Moonpool 14.52% Pipe Rack/Pipe Deck 8.06% Camp / Accommodation Areas Catwalk/V-door Work Rooms change, storage, room Derrick/Mast BOP Stack /well head/tree Area Rig Pad/Rig Decks 12.90% Mud Mixing Tank/Area Stairs/Ladders 6.45% Shale Shaker 9.68% Mud Pits/Tanks Issued 1 July 2017 14

Middle East Land Total Recordable Incidents by Location (Chart 14) Based on 245 Incidents Machinery Spaces Mud Pump Room 4.49% Pontoon 0.82% Forklift Truck, Car, Bus 2.04% Cellar / Sub / Moonpool 7.35% Rig Floor 23.27% Living/Camp Areas/Accommodations 8.57% Pipe Rack/Pipe Deck 7.35% Work Rooms change, storage, room 2.04% Catwalk/V-door 6.12% Rig Pad/Rig Decks 8.98% Stairs/Ladders 3.27% Derrick/Mast 4.49% SCR/Electrical Room BOP Stack /well head/tree Area 6.94% Engine Generator Room Mud Pits/Tanks 5.31% Shale Shaker 4.08% Mud Mixing Tank/Area 3.27% Issued 1 July 2017 15

Middle East Land Total Lost Time Incidents by Time in Service (Chart 15) Based on 62 Incidents 0 mo. < 3 mos. >6 mos. < 1 yr. 16.13% 10+ yrs. 16.13% >5 yrs. < 10 yrs. 16.13% >1 yr. < 5 yrs. 48.39% Issued 1 July 2017 16

Middle East Land Total Recordable Incidents by Time in Service (Chart 16) Based on 246 Incidents 10+ yrs. 10.16% 0 mo. < 3 mos. 4.07% >3 mos. < 6 mos. 2.03% >6 mos. < 1 yr. 11.38% >5 yrs. < 10 yrs. 17.07% >1 yr. < 5 yrs. 55.28% Issued 1 July 2017 17

Middle East Land Total Lost Time Incidents by Time of Day (Chart 17) Based on 62 Incidents 22:00 23:00 24:00:00 1:00 2:00 3:00 4:00 21:00 6.45% 5:00 20:00 6:00 6.45% 17:00 16:00 8:00 11.29% 15:00 14:00 6.45% 9:00 13:00 12:00 11:00 12.90% 10:00 8.06% Issued 1 July 2017 18

Middle East Land Total Recordable Incidents by Time of Day (Chart 18) Based on 245 Incidents 20:00 1.22% 21:00 6.53% 22:00 2.45% 23:00 3.67% 24:00:00 1.22% 1:00 3.67% 2:00 2.86% 3:00 3.27% 4:00 4.08% 19:00 1.22% 5:00 4.08% 18:00 2.04% 17:00 4.90% 6:00 4.90% 7:00 2.45% 16:00 6.53% 8:00 5.31% 15:00 5.71% 14:00 4.49% 9:00 4.90% 10:00 6.12% 13:00 3.27% 12:00 5.31% 11:00 9.80% Incidents Issued 1 July 2017 19

Middle East Land Total Lost Time Incidents by Age (Chart 19) Based on 58 Incidents 56-65 6.90% 46-55 8.62% 18-25 15.52% 36-45 22.41% 26-35 46.55% Issued 1 July 2017 20

Middle East Land Total Recordable Incidents by Age (Chart 20) Based on 231 Incidents 46-55 6.06% 56-65 2.60% 66 & Above 0.43% 18-25 20.35% 36-45 18.18% 26-35 52.38% Issued 1 July 2017 21