STG. Offshore Vessel Summary Sea Trucks Group. Sea Trucks Group

STG Sea Trucks Group Sea Trucks Group Offshore Vessel Summary 2016 www.seatrucksgroup.com

STG Sea Trucks Group Delivering the difference... in any field www.seatrucksgroup.com

About Sea Trucks GROUP Founded in 1977, the Sea Trucks Group is an international group of companies offering offshore installation, and support services to the Oil & Gas industry worldwide, employing a multi-national workforce. Sea Trucks Group has been providing marine services to all major oil and construction companies in West Africa since the late 1970 s and currently services clients around the world in offshore projects from subsea construction and SURF solutions to hook-up and fabrication activities. Sea Trucks Group owns and operates a versatile fleet of over 180 vessels and barges, five of which are multi-purpose DP3 o ffshore installation vessels. These vessels combine the following key characteristics:. A Class 3 Dynamic Positioning system that enables the vessel s position to be maintained in both shallow and deep-water environments. The ability to install rigid and/or flexible pipe.. High capacity cranes ranging from 270 tons to 800 tons, almost all of which have deep-water capability and active heave compensation systems. Large capacity of between 298 and 408 persons. Large unobstructed decks. In addition Sea Trucks Group owns and operates supply bases and fabrication facilities in Nigeria and the United Arab Emirates. The fleet s versatility allows Sea Trucks to cross over traditional market sector boundaries and offers the following range of services: Offshore Accommodation, Pipelay, Offshore Construction, SURF and Marine Support. Sea Trucks Group has offices in Nigeria, Angola, United Arab Emirates, The Netherlands and Australia. You will find a summary of the group s offshore fleet in this booklet. More comprehensive specifications of the vessels can be provided on request. 3

Index By category DP3 / DP2 CONSTRUCTION AND ACCOMMODATION FLEET Jascon 25 Pipelay Construction vessel, DPS-3...16 Jascon 28 Accommodation Hook-up vessel, DPS-3...19 Jascon 30 Pipelay Accommodation vessel, DPS-3...20 Jascon 31 Accommodation Construction vessel, DPS-3...21 Jascon 34 Pipelay Construction vessel, DPS-3...24 Jascon 35 Deepwater Pipelay Construction vessel, DPS-3...25 Jascon 55 Multi Purpose Support vessel, DPS-2...36 MOORED CONSTRUCTION AND ACCOMMODATION FLEET Jascon 2 Pipelay Accommodation barge...7 Jascon 8 Construction Accommodation barge...9 Jascon 9 Accommodation barge...10 Jascon 27 Accommodation barge...18 AHTS / LH FLEET Jascon 3 4000 HP AH / LH tug...8 Jascon 11 / 12 5150 HP AH / LH tug, DPS-1...11 Jascon 20 / 21 6140 HP AHTS vessel, DPS-2...13 Jascon 23 5150 HP AHTS vessel, DPS-1...14 Jascon 24 5150 HP AHTS vessel, DPS-1...15 Jascon 26 5450 HP AHTS vessel, DPS-1...17 Jascon 39 5500 HP AHTS vessel, DPS-1...29 Jascon 40 5500 HP AHTS vessel, DPS-1...30 Jascon 45 / 46 4200 HP AHTS vessel...31 Jascon 57 5150 HP AH vessel...37 Jascon 66 / 67 5150 HP AHTS vessel, DPS-2...41 Jascon 68 / 69 5150 HP AH Platform Supply vessel, DPS-2...42 Jascon 78 4500 HP AH Tug boat...45 Maro 12000 HP AHTS vessel...46 Roma 12000 HP AHTS vessel...47 4

OFFSHORE CARGO BARGE FLEET Jascon 1 Offshore Cargo barge, dwt 7500 t...6 Jascon 17 / 17A Offshore Cargo barge, dwt 11600 t...12 Jascon 32 Offshore Cargo barge, dwt 7550 t...22 Jascon 33 Offshore Cargo barge, dwt 7550 t...23 Jascon 36 Offshore Cargo barge, dwt 7619 t...26 Jascon 37 Offshore Cargo barge, dwt 7550 t...27 Jascon 38 Offshore Cargo barge, dwt 8425 t...28 Jascon 47 / 48 Offshore Cargo barge, dwt 9300 t...32 Jascon 51 Offshore Cargo barge, dwt 7750 t...34 Jascon 60 / 61 Offshore Cargo barge, dwt 4200 t...38 Jascon 76 Offshore Cargo barge, dwt 5900 t...43 Jascon 77 Offshore Cargo barge, dwt 7400 t...44 CREW / PILOT / MULTIPURPOSE FLEET Jascon 49 / 50 Crew / Pilot boat...33 Jascon 52 / 53 Multi Purpose vessel...35 Jascon 62 / 63 Fast Transfer vessel...39 Jascon 64 / 65 Offshore Utility vessel...40 Secwav 1 Patrol vessel...48 Secwav 2 Patrol vessel...49 Secwav 3 Patrol vessel...50 ACCOMMODATION BLOCKS PAB 1 Portable Accommodation Block...51 TLQ Temporary Living Quarters...52 5

JASCON 1 OFFSHORE Cargo barge Deadweight tonnage GRT NRT deck equipment Achor rack Winch Stanchions H-beam Towing brackets 91.50 m 24.40 m 5.50 m 7500 t 3137 t 941 t 1 x off to suit 5 t delta flippers anchor 1 x off hand winch c/w A-frame to recover towing bridle 1 x off 15 t double drum electric winch c/w ratchet 1 x towing bridle c/w emergency tow wire 1 x heavy duty stanchion @ every 5 m c/w lashing eye on Port and Starboard 300 mm, 2 m high with aft support 2 x off towing brackets c/w plus 1 emergency towing bracket ADDITIONAL DATA Loading capacity 7.5 t / m² Tanks 2 x fresh water 1 x fuel oil 1999 REBUILD 2011 6

JASCON 2 Pipelay ACCOMMODATION BARGE Generator sets mooring system 8-pnt mooring system Anchors 79.40 m 35.35 m 4.27 m 2.50 / 3.00 m 3 x 500 kw @ 50 Hz each 2 x 950 kw @ 60 Hz each 4 double drum winches each fitted with 1200 m x 38 mm dia. wire 8 x delta flipper, 5 t each Fully air-conditioned for 220 persons pipelay equipment Concept Starboard mounted single joint S-lay, make SAS Capacity 4-32 OD dia. pipe Tensioner 25 t Workstations 5 A & R winch 25 t Stinger 35.30 m cranes Main crane Aux deck crane Pedestal type 300 t @ 11 m Pedestal type 34 t @ 20 m 7 REBUILD 2009

JASCON 3 4000 HP AH / LH TUG Propulsion engines Bow thruster Generator sets performance Speed Bollard pull 32.80 m 10.00 m 4.15 m 3.20 m 2 x CAT 3516 @ 2000 HP 1 @ 55 kw 2 x CAT 3306 @ 145 kw 12 knots 52 t Fully air-conditioned for 12 persons deck equipment Towing winch Tugger winch Stern roller 70 t, 750 m x 44 mm dia. wire 10 t 3.00 x 1.00 m 114 m² 2002 8

JASCON 8 CONSTRUCTION ACCOMMODATION BARGE Generator sets Emergency gen set mooring system 8-pnt mooring system Anchors 104.30 m 24.40 m 5.50 m 3.60 m 6 x Deutz @ 300 kw / 50 Hz / 380 V 2 x CAT @ 1450 kw / 50 Hz / 380 V 1 x Cummins @ 100 kw 8 single drum winches 30 t 8 x delta flipper, 5 t each Fully air-conditioned for 186 persons crane Main crane Mast crane 160 t 1200 m² 9 2004

JASCON 9 ACCOMMODATION BARGE Generator sets Emergency gen set mooring system 8-pnt mooring system Capstans 85.00 m 22.51 m 5.00 m 2.46 m 1 x Cummins VTA 28 G5, 520 kw / 50 Hz / 380 V 1 x CAT 3412, 508 kw / 50 Hz / 400 V 1 x 136 kw 8-point mooring fitted (each with 7 t anchors) 4 x 1000 m x 40 mm 4 x 650 m x 38 mm 4 x electric @ 8 t each Fully air-conditioned for 123 persons cranes Pedestal Manual Electric overhead traveling gantry 1 x 34 t @ 26 m 1 x 7 t @ 16 m 2 x 1 t @ 7 m 1 x 1 t 1 x 2 t 497 m² moonpool 2.00 x 5.15 m 1988 REBUILD 2002 10

JASCON 11 / 12 5150 HP AH / LH TUG, DPS-1 Propulsion engines Generator sets Stern thrusters Bow thruster performance Speed Bollard pull Firefighting dynamic positioning 40.00 m 11.40 m 4.95 m 4.40 m 2 x CAT 3516 B @ 2575 HP 3 x CAT 3406 @ 320 kw each 2 x CPP azimuth 1 x 370 kw 13 knots 63 t Fi-Fi: Class 1 DPS-1 Accommodation Fully air-conditioned for 15 persons deck equipment Towing winch Tugger winch Anchor windlass Stern roller 1 x double drum 2 @ 10 t 1 @ 150 t 3.80 x 1.40 m 110 m² Jascon 11 2006 Jascon 12 2007 11

JASCON 17 / 17A OFFSHORE CARGO BARGEs Deadweight tonnage GRT NRT 87.87 m 30.48 m 6.71 m 11600 t 4861 t 1458 t deck equipment Anchor rack Winches Stanchions H-beam Towing brackets 1 x off to suit 5 t Delta Flippers anchor 1 x hand winch 1 x double drum @ 15 t, towing bridle 1 @ every 5 m 300 mm, 2 m high 2 x plus 1 emergency ADDITIONAL DATA Loading capacity 10 t / m² Bow spoon type Tanks 1 x fresh water, 1 x fuel oil Fender 3 levels dia 10 sch 80 half pipe fender Jascon 17 2004 Jascon 17A 2004 12

JASCON 20 / 21 6140 HP AHTS VESSEL, DPS-2 Propulsion engines Generator sets Stern thrusters Bow thrusters Emergency generator performance Speed Bollard pull dynamic positioning 50.00 m 13.80 m 6.00 m 4.80 m 2 x EMD @ 3070 BHP each 3 x CAT C18 @ 500 kw each 2 x CPP azimuth 3070 HP each 2 @ 370 kw each Donfeng Cummins 99 kw / 440 V / 60 Hz 13 knots 82 t DPS-2 Fully air-conditioned for 30 persons deck equipment Tugger winch Towing winch Towing drum Drum pull (first layer) Anchor windlass Deck crane Fire monitor 2 @ 10 t 1 x double drum 160 kw 1000 m x 58 mm dia. steel rope 150 t x 0-6 m / min 1 @ 8 t 5 t @ 16 m 2 x 836 kw; 1700 m³ / hr each 269 m² 13 Jascon 20 2009 Jascon 21 2008

JASCON 23 5150 HP AHTS VESSEL, DPS-1 macchinery Propulsion engines Generator sets Emergency gen set Bow thrusters performance Speed Bollard pull dynamic positioning 59.25 m 14.95 m 6.10 m 4.95 m 2 x CAT @ 2575 HP 3 x CAT @ 315 kw 1 x Perkins, 52 kw 1 x CPP @ 5 t 13 knots 63 t DPS-1 Fully air-conditioned for 42 persons deck equipment Tugger winch Towing winch Anchor windlass Stern roller Deck crane discharge rates Drill water Fresh water Fuel Mud 2 @ 10 t 1 x double drum 1 @ 8 t 4.00 x 1.60 m 3 t @ 9 m 100 m³ / hr @ 75 m 100 m³ / hr @ 75 m 150 m³ / hr @ 75 m 2 x 75 m³ / hr @ 75 m 350 m² 2006 14

JASCON 24 5150 HP AHTS VESSEL, DPS-1 Propulsion engines Generator sets Emergency gen set Bow thrusters performance Speed Bollard pull dynamic positioning 59.25 m 14.95 m 6.10 m 4.95 m 2 x CAT @ 2575 HP 3 x CAT @ 315 kw 1 x Perkins, 52 kw 1 x CPP @ 5 t 13 knots 63 t DPS-1 Fully air-conditioned for 42 persons deck equipment Tugger winch Towing winch Anchor windlass Stern roller Deck crane discharge rates Drill water Fresh water Fuel Mud 2 @ 10 t 1 x double drum 1 @ 8 t 4.00 x 1.60 m 3 t @ 9 m 100 m³ / hr @ 75 m 100 m³ / hr @ 75 m 150 m³ / hr @ 75 m 2 x 75 m³ / hr @ 75 m 350 m² 15 2006

JASCON 25 Pipelay Construction Vessel, DPS-3 Extreme breadth / thrusters Generator sets Thrusters Bow thruster positioning system dps-3 118.80 m 30.40 m 36.40 m 8.40 m 4.98 m 4 x CAT 3516 B @ 1825 kw 2 x FPP @ 1920 kw, 4 x FPP retract. @1920 kw 1 @ 1355 kw Kongsberg K-POS 22 on aft working bridge with K-POS 12 control station at forward navigation bridge Fully air-conditioned for 355 persons pipelay equipment (Optional) Concept Starboard mounted single joint S-lay, make SAS Capacity 4-48 dia. pipe Tensioners 2 x 60 t each Workstations 6 A & R winch 120 t Stinger 55 m cranes Main crane Aux deck crane Main crane 800 mt @ 30 m, underwater cap. 50 t @ 720 m Pedestal, 34 t @ 20 m, 22 t @ 30 m, TTS gangway (optional) Hydraulic Heave Compensated Telescopic gangway - Max. length 42.50 m - Length in mid position 36.50 m 2009 800-1500 m² 16

JASCON 26 5450 HP AHTS VESSEL, DPS-1 Propulsion engines Generator sets Emergency gen set Bow thrusters performance Speed Bollard pull dynamic positioning 54.00 m 14.95 m 6.10 m 4.95 m 2 x CAT @ 2722 HP 3 x CAT @ 315 kw 1 x Perkins, 52 kw 1 x CPP @ 5 t 13 knots 65 t DPS-1 Fully air-conditioned for 30 persons deck equipment Tugger winch Towing winch Anchor windlass Stern roller Deck crane discharge rates Drill water Fresh water Fuel Mud 2 @ 10 t 1 x double drum 1 @ 8 t 4.00 x 1.60 m 3 t @ 9 m 100 m³ / hr @ 75 m 100 m³ / hr @ 75 m 150 m³ / hr @ 75 m 2 x 75 m³ / hr @ 75 m 350 m² 17 2006

JASCON 27 ACCOMMODATION BARGE Generator sets 101.83 m 25.80 m 6.10 m 3.15 m 5 x Volvo Penta @ 280 kva each mooring system Anchor winch Capstans Anchor crane 1 x Single anchor winch at stern for stern anchor 2 x 15 t 1 x 5 t Fully air-conditioned for up to 304 persons 152 x 2-man cabins 18 t WLL knuckle boom ± 275 m² REBUILD 2009 18

JASCON 28 ACCOMMODATION HOOK-UP vessel, DPS-3 Extreme breadth / thrusters Generator sets Portable generator set Thrusters Bow thruster positioning system dps-3 111.80 m 30.48 m 37.78 m 6.71 m 4.78 m 3 x CAT @ 1825 kw 1 x Cummins @ 500 kva 4 x FPP @ 1200 kw 2 x FPP @ 600 kw 1 x FPP retract. @ 1000 kw 1 x CPP @ 1355 kw Kongsberg K-POS 21 on aft working bridge with K-POS 11 control station at forward navigation bridge Fully air-conditioned, max POB 462 cranes Main crane Aux deck crane Kingpost crane @ 270 t Pedestal, 34 t @ 20 m, 22 t @ 30 m, TTS gangway (optional) Hydraulic Heave Compensated Telescopic gangway - Max. length 42.50 m - Length in mid position 36.50 m 1100 m² storage area sheltered 360 m² 2007 19 REBUILD 2008

JASCON 30 PIPELAY ACCOMMODATION vessel, DPS-3 Extreme breadth 111.00 m 30.48 m 38.00 m 6.71 m 4.70 m / thrusters Generator sets Portable generator set Thrusters Bow thruster mooring system 10-pnt mooring system positioning system dps-3 2 x CAT @ 1825 kw 1 x Cummins @ 500 kva 4 x FPP @ 1200kW, 1 x FPP retract. @ 1000kW 1 @ 1355 kw 4 x double drum winches @ 68/77 t 2 x single drum winches @ 100 t Kongsberg Simrad SDP21 on aft working bridge with SDP11 control station at navigation bridge Fully air-conditioned for 296 persons pipelay equipment (optional) Concept Starboard mounted single joint S-lay, make SAS Capacity 4-48 dia. pipe Tensioner 1 x 100 t Workstations 5 A & R winch 100 t Stinger 55 m cranes Main crane Aux deck crane Kingpost crane @ 270 t Pedestal, 34 t @ 20 m, 22 t @ 30 m, TTS gangway (optional) Hydraulic Heave Compensated Telescopic gangway - Max. length 42.50 m - Length in mid position 36.50 m 700 m² 2007 20

JASCON 31 CONSTRUCTION ACCOMMODATION vessel, DPS-3 / thrusters Generator sets Portable generator set Thrusters Bow thruster positioning system dps-3 111.00 m 30.48 m 6.71 m 4.78 m 7 x CAT @ 1825 kw 1 x Cummins @ 500 kva 4 x FPP retract. @ 1600 kw 1 x FPP retract. @ 1200 kw 1 @ 1355 kw Kongsberg K-POS 22 on aft working bridge with K-POS 12 control station at forward navigation bridge Fully air-conditioned for 408 persons cranes Main crane Aux deck crane Mast crane 400 t, deepwater hoist system with 3000 m hook travel + active heave compensation Pedestal, 34 t @ 20 m, 22 t @ 30 m, TTS gangway (optional) Hydraulic Heave Compensated Telescopic gangway - Max. length 42.50 m - Length in mid position 36.50 m 1300 m² moonpool 7.90 x 6.06 m near midship at SB 21 2011

JASCON 32 OFFSHORE CARGO BARGE Deadweight tonnage GRT NRT 91.50 m 24.40 m 5.50 m 4.30 m 7550 t 3147 t 944 t DECK EQUIPMENT Mooring Bollards 8 mooring bollards of 12 Anchor 1 x 1000 kg stockless anchor Winch 1 x hand winch, 4 t Stanchions 24 sets of 3 m high on Port and Starboard side Towing brackets 3 x Smit towing brackets fitted on forward deck additional data Loading capacity 12 t / m² Fenders 18 x of Ø 1500 x 600 mm tyre fenders c/w suitable chain, shackles and lugs 2006 22

JASCON 33 OFFSHORE cargo BARGE Deadweight Tonnage GRT NRT 91.50 m 24.40 m 5.50 m 4.30 m 7550 t 3147 t 944 t deck equipment Anchor Winch 1 x 1000 kg stockless anchor 1 x hand winch, 4 t 1000 m² additional data Loading capacity 12 t / m² 23 2007

JASCON 34 Pipelay Construction Vessel, DPS-3 Extreme breadth 118.80 m 30.40 m 36.40 m 8.40 m 4.98 m / thrusters Generator sets Portable generator set Thrusters Bow thruster positioning system dps-3 4 x CAT @ 1825 kw 1 x Cummins @ 500 kva 2 x FPP @ 1920 kw, 4 x FPP retract. @ 1920 kw 1 @ 1355 kw Kongsberg K-POS 22 on aft working bridge with K-POS 12 control station at forward navigation bridge Fully air-conditioned for 335 persons pipelay equipment (optional) Concept Starboard mounted single joint S-lay, make SAS Capacity 4-48 dia. pipe Tensioners 2 x 60 t each Workstations 7 A & R winch 120 t Stinger 55 m cranes Main crane Aux deck crane Mast crane 800 t @ 30 m, underwater cap. 50 t @ 72 m Pedestal, 34 t @ 20 m, 22 t @ 30 m, TTS gangway (optional) Hydraulic Heave Compensated Telescopic gangway - Max. length 42.50 m - Length in mid position 36.50 m ± 525-1350 m² moonpool 7.90 x 7.20 m near midship at P 2010 24

JASCON 35 DP3 deepwater pipelay Construction Vessel 150.00 m 36.80 m 15.10 m 6.80 m / thrusters Generator sets Emergency generator set Thrusters Bow thruster positioning system dps-3 8 x EMD @ 3580 kw 1 x CAT @ 910 kw 2 x FPP @ 3000 kw, 5 x FPP retract. @ 2400 kw 2 x FPP retract. @ 1800 kw 1 x @ 1700 kw Kongsberg K-POS 22 on working/ navigation bridge with K-POS 12 control station at DP Back-up room Fully air-conditioned for 399 persons pipelay equipment (optional) Concept Central slot single joint S-lay below, main deck, make SAS Capacity 4-48 dia. pipe Tensioners 3 x 200 t each Workstations 7 A & R system 2 x 300 t Stinger 120 m cranes Main crane Mast crane, 1800/1200 t revolving, underwater cap. 300 t @ 3000 m, active heave compensated Aux deck cranes 2 x pedestal type, 40 t @ 40 m each 1800 m² moon pool 8.00 x 5.80 m at SB Under construction 25

JASCON 36 OFFSHORE CARGO BARGE Deadweight tonnage GRT NRT deck equipment Winches Stanchions H-beam Towing brackets 91.50 m 24.40 m 5.50 m 7619 t 3,147 t 944 t 1 x hand winch 1 x double drum @ 15 t, towing bridle 1 @ every 5 m 300 mm, 2 m high 2 x plus 1 emergency additional data Loading capacity 12 t / m² 2006 26

JASCON 37 OFFSHORE cargo BARGE Deadweight Generator sets 91.50 m 24.40 m 5.50 m 4.30 m 7550 t 2 x tonnage GRT NRT 3,147 t 944 t DECK EQUIPMENT Mooring Bollards 8 mooring bollards of 12 Anchor 1 x 1000 kg stockless anchor Winch 1 x hand winch, 4 t Stanchions 24 sets of 3 m high on Port and Starboard side Towing brackets 3 x Smit towing brackets fitted on forward deck 1000 m² additional data Loading capacity 12 t / m² Fenders 18 x of Ø 1500 x 600 mm tyre fenders c/w suitable chain, shackles and lugs 2007 27 rebuild 2014

JASCON 38 OFFSHORE CARGO BARGE Deadweight tonnage GRT NRT deck equipment Anchor equipment Anchor winch Towing brackets 95.00 m 26.00 m 6.00 m 8425 t 3502 t 1050 t 1 x 1.5 t stockless bower anchor 1 x 220 m anchor wire of 38 mm dia. 6 x 37 constructions FSWR 1 x anchor tail chain of 42 mm dia. 1 x 6 t 2 x additional data Loading capacity 7 t / m² 2006 28

JASCON 39 5500 HP AHTS VESSEL, DPS-1 Propulsion engines Generator sets Bow thrusters Emergency generator performance Speed Bollard pull 57.50 m 13.80 m 5.50 m 4.80 m 2 x CAT 3516 @ 2750 HP / CPP 3 x CAT @ 345 kw CAT 3412 1 x CPP @ 5 t 1 x CAT 3054T; 81 kw / 60 Hz / 220 V 13 knots 60 t dynamic positioning DPS-1 Fully air-conditioned for 34 persons deck equipement Tugger winch Towing winch Towing drum Anchor windlass Stern roller Fire monitor 2 @ 5 t; 9 m / min 1 x double drum 150T @ 0-2.5m / min 1000 m x 56 mm dia. steel rope 1 @ 9 t @ 12 m / min 200 t SWL; 3.0 x 1.8 m 2 x 1200 m³ / hr each discharge rates Drill water Fresh water 75 m³ / hr @ 60 m 75 m³ / hr @ 60 m Fuel Mud 100 m³ / hr @ 60 m 2 x 75 m³ / hr @ 80 m 350 m² 29 2007

JASCON 40 5500 HP AHTS VESSEL, DPS-1 Propulsion engines Generator sets Bow thrusters Emergency generator performance Speed Bollard pull dynamic positioning 57.50 m 13.80 m 5.50 m 4.80 m 2 x CAT 3516 @ 2750 HP / CPP 3 x CAT @ 345 kw 1 x CAT 3412; 1 x CPP @ 5 t 1 x CAT 3054T; 81 kw / 60 Hz / 220 V 13 knots 60 t DPS-1 deck equipement Tugger winch Towing winch Towing drum Anchor windlass Stern roller Fire monitor Fully air-conditioned for 34 persons 2 @ 5 t; 9 m / min 1 x double drum 150T @ 0-2.5m / min 1000 m x 56 mm dia. steel rope 1 @ 9 t @ 12 m / min 200 t SWL; 3.0 x 1.8 m 2 x 1200 m³ / hr each discharge rates Drill water Fresh water 75 m³ / hr @ 60 m 75 m³ / hr @ 60 m Fuel Mud 100 m³ / hr @ 60 m 2 x 75 m³ / hr @ 80 m 350 m² 2007 30

JASCON 45 / 46 4200 HP AHTS VESSEL Propulsion engines Generator sets performance Speed Bollard pull 40.00 m 11.80 m 4.55 m 3.20 m 2 x CAT @ 2100 HP 3 x Cummins @ 350 kw 11.5 knots 48 t Fully air-conditioned for 20 persons deck equipment Tugger winch Towing/AH winch Anchor windlass Stern roller Deck crane discharge rates Fresh water Fuel 2 @ 10 t 1 x double drum 1 @ 4 t 4.50 x 1.40 m 3 t @ 14 m 20 m³ / hr @ 30 m 20 m³ / hr @ 30 m 125 m² 31 2010

JASCON 47 / 48 OFFSHORE CARGO BARGE Deadweight tonnage GRT NRT deck equipment Anchor Anchor winch Stanchions Towing brackets 91.50 m 27.40 m 6.10 m 9300 t 3937 t 1181 t 1 x 1 t stockless anchor 1 x 4 t, hand winch 24 sets of 3 m high 3 x additional data Loading capacity 10 t / m² Tanks 1 x fresh water, 1 x fuel oil Fender 18 x of 1500 mm x 600 mm dia. tyre fenders c/w suitable chain, shackles and lugs for lashing of tyre fenders welded to deck Jascon 47 2008 Jascon 48 2008 32

Jascon 49 / 50 Crew / Pilot Boat Propulsion engines Generator set Cabin (crew + passengers) Cabin 20.10 m 5.20 m 3.00 m 2 x MAN D2842 LE 408 @ 1000 HP at 1850 rpm ONAN 17.5 MDKAE 75C 11 seats sink with small fridge and toilet performance Speed 19 knots navigation equipment Automatic pilot Simrad Robertson AP45 Radar 2 x Furuno GPS navigator Furuno GP-30/35 Receiver Navtex NX500 VHF radio DCS Sailor RT 2048 Echo sounder Raytheon L750 F Tracker Raychart 630 safety equipment Liferafts 12 persons 33 2000

JASCON 51 OFFSHORE CARGO BARGE Deadweight tonnage GRT NRT 73.24 m 27.46 m 6.10 m 7750 t 3190 t 957 t deck equipment Anchor Anchor winch Stanchions Towing brackets 1 x 1 t stockless anchor 1 x 4 t, hand winch 22 sets of 3 m high 3 x Additional data Loading capacity 10 t / m² Tanks 1 x fresh water, 1 x fuel oil Fender 18 x of 1500 mm x 600 mm dia. tyre fenders c/w heavy duty chains, shackles and lashing eyes welded to deck 2009 34

Jascon 52 / 53 Multi Purpose vessel Propulsion engines Generator sets Bow thruster 32.00 m 14.50 m 3.65 m 1.70 m 3 x CAT @ 600 HP 3 x CAT @ 150 kw 1 @ 1800 RPM Fully air-conditioned for 10 persons cranes Deck cranes 2 x Deck Crane (SWL with hook 38,200kgs at 8.42m/ 25,500kgs at 10.55m/ 20.100kgs at 13.10m)tonnage GRT 410 GRT Loading capacity 5 t / m² performance Speed Bollard pull Endurance 10.5 knots 29 t approx. 552 hrs approx. tank capacities Fuel 204 m³ Fresh water 68 m³ Ballast water 58 m³ 260 m² 35 DELIVERed 2013

JASCON 55 Multi Purpose support Vessel, DPS-2 78.00 m 20.00 m 6.50 m 5.00 m Generator sets Thrusters Bow thruster Power output 2 x 534 kw CAT, 2 x 800 kw CAT 2 x azimuth, Lips CS250-S / WN-K 2 x KT88B3, CPP, 650 kw 4950 HP mooring system (optional) 4-pnt mooring winches dynamic positioning 4 x 40 t @ 10 m / min DPS-2 Class performance fire fighting Speed: 10 knots Fi-Fi 1: Class 1 (2 x 1500 m³ / hr) Fully air-conditioned, max POB 150 cranes Deck cranes Main crane: Kenz Model, HC 120/3500 OSRL, 120 t by 12 m radius and 32 t by 29 m radius, rope capacity of main hoist 2000 m, rope capacity aux hoist 375 m, sub-sea capacity 1800 m Aux crane: Kenz Model, EHC 24/1800, OSRL 12 t at 12 m radius, rope capacity 2000 m subsea capacity 1800 m Provision crane YSQP3/14. 3 t x 12 m, retractable boom 8-12 m, by Haitai deck equipment ROV deck equipped with three independent power supply units (range 380-480 VAC, 50/60 Hz), F.W. hot water, S.W. & compressed air interfaces for ROV & SAT equipment 8.00 x 8.00 m 550 m² moon pool 7.60 x 6.00 m DELIVERed 2013 36

Jascon 57 5150 HP ANCHOR HANDLING VESSEL Propulsion engines Generator sets Bow thruster Emergency gen set performance Speed Bollard pull 50.00 m 13.20 m 5.20 m 4.00 m 2 x CAT @ 2575 HP 3 @ 245 kw 1 @ TFN-300 65 kw - 50 Hz 12.5 knots 67.3 t Fully air-conditioned for 30 persons deck equipment Towing winch 1 x detachable drum, 200 t Tugger winch 2 @ 10 t Anchor windlass 1 ± 250 m² 37 2012

JASCON 60 / 61 OFFSHORE CARGO BARGE Draft (loaded) Deadweight tonnage GRT NRT deck equipment Mooring bollards Anchor Anchor winch Stanchions Towing brackets 71.10 m 21.96 m 4.57 m 3.67 m 4200 t 1712 t 513 t 10 x on main deck 1 x 800 kg stockless anchor 1 x 4 t, hand winch (spool winch) 24 sets of 3 m high deck stanchions 3 x Smit towing brackets on forward deck ADDITIONAL DATA Loading capacity 12 t / m² Fenders 16 x of tyres, dia. approx. 600 mm, c/w lugs, galvanized chains and shackles 2012 38

Jascon 62 / 63 fast transfer vessel 19.30m Breadth (moulded) 5.40 m Summer load 0.91 m Draft (loaded) 4.00 m Main engines 2 x MAN D2842 LE 405 Power 2x 720 kw @ 2100 rpm 2x Hamilton Jets HM422-2 Generator sets 2 x CAT C2.2 @ 21 kw each 20 seating + 2 crew tonnage GRT 43 NRT 43 performance Speed capacities Fuel Oil Fresh Water Passengers Lightship 22.5 knots 4000 ltr 1600 ltr 20 seating + 2 crew 30T 23 m² 39 2014

JASCON 64 / 65 OFFSHORE utility vessel 31.23 m Breadth 7.50 m (moulded) 3.26 m Draft (loaded) 2.30m Main engines Power Bow thruster Generator sets CAT C32 ACERT 2 x 1450 BHP @ 2300 rpm Twin Propeller FPP, Twin Rudder Petters 7.95 knots CAT, 3 x 99 kw each, 440 V, 6- Hz, 3Ph Crew 19 Crew Cabin x 4 2 Crew Cabin x 2 5 Crew cabin x 1 1 tonnage GRT 196 NRT 58 performance Speed 15.5 knots capacities Fuel Oil Fresh Water Black water 30000 ltr 7000 ltr 500 ltr 92.30 m² 2014 40

JASCON 66 / 67 5150 HP AHTS vessel, DPS-2 Breadth (moulded) (moulded) Propulsion engines Generator sets Bow thrusters Stern thruster performance Speed Bollard pull 60.50 m 15.80 m 6.50 m 5.20 m 2 x CAT 3516C, 2575 HP 3 x CAT C18, 425 kw 2 x 515 kw Kawasaki (CPP), 8 t 1 x 515 kw Kawasaki (CPP), 8 t 12.5 knots 65 t dynamic positioning DPS-2 Central air-conditioned for 42 persons deck equipment Speed Towing winch 1 x double drum, 150 t Tugger winch 1 x 10 t Anchor windlass 1 Stern roller 5.00 m (L) x 1.80 m (dia.), SWL 200 t 360 m² 41 2013

JASCON 68 / 69 5150 HP AH Platform Supply Vessel, DPs-2 Breadth (moulded) (moulded) Draft (moulded) Main engines Generator sets Bow thrusters Stern thruster 70.10 m 15.80 m 6.50 m 5.00 m 2 x 2575 HP 3 x 550 kw 2 x 10 t 1 x 10 t tonnage GRT 2090 t Loading capacity 7 t / m² performance Speed Bollard pull dynamic positioning 12.5 knots 65 t approx. DPS-2 Central air-conditioned for 42 persons deck equipment Towing winch Tugger winch Capstan Deck crane 1 x 150 t, line pull 2 x 10 t @ 15 m / min 2 x 5 t @ 15 m / min 3 t SWL @ 9 m tank capacities Fuel 590 m³ Fresh water 450 m³ Ballast water 850 m³ 480 m² 2015 42

JASCON 76 OFFSHORE Cargo Barge Breadth (moulded) (moulded) Deadweight tonnage GRT NRT deck equipment Winches Stanchions Towing brackets Mooring bollards 76.20 m 24.40 m 5.50 m 5900 t 2650 t 768 t 1 x 4 t hand operated 16 x 3 m high each 3 x fitted on forward deck 10 x Additional data Loading capacity 12 t / m² 43 2014

JASCON 77 OFFSHORE Cargo Barge Breadth (moulded) (moulded) Deadweight deck equipment Winches Stanchions Towing brackets Mooring bollards 91.50 m 24.40 m 5.50 m 4.40 m 7400 t 1 x 4 t hand operated 20 x 3 m high each 3 x fitted on forward deck 10 x additional data Loading capacity 15 t / m² 2014 44

Jascon 78 4500 HP Anchor handling tug boat Propulsion engines Generator sets Bow thruster performance Speed Bollard pull 40.00 m 11.80 m 4.55 m 3.20 m 2 x CAT @ 2250 HP each 3 @ 350 kw each 1x CPP 12 knots 48 t Fully air-conditioned for 18 persons deck equipment Towing winch 1 x double drum, 75 t @ 1st layer, 150 t breakhold Tugger winch 2 @ 10 t Anchor windlass 1 120 m² 45 2013

Maro 12000 HP AHTS VESSEL Breadth Main engines Aux engines Bow thruster performance Speed (max.) Bollard pull 60.45 m 15.03 m 6.25 m 2 x MAK 16M456 12000BHP (8825 kw each) 3 x G.M 16 V - 71N, model: 70647002 - CPE623 1 x CPP, make LIPS 14.3 knots 150 t 26 persons deck equipment Anchor windlass 1 Tugger winch 1 Deck crane 10 t @ 1,5 m discharge rate Fresh water 65,6 t Fuel 1808 m³ Ballast water 73,0 m³ 180 m² 1982 REBUILD 2009 46

roma 12000 HP AHTS VESSEL Length o.a Breadth Main engines Aux engines Bow thruster Shaft generator performance Speed (max.) Bollard pull 60.46 m 15.32 m 6.25 m 2 x MAK 16M456 12000 BHP (8825 kw each) 2 x CAT 3412 DI (465 HP) Indar generator 403 KVA 2 x CPP, make LIPS, type: CT04H-1 2 x Indar LCB 355 M @ 437 KvA each 14.3 knots 150 t 26 persons deck equipment Anchor windlass 1 Tugger winch 1 Deck crane 10 t @ 1,5 m discharge rate Fresh water 48 t Fuel 1808 m³ Ballast water 58 t 180 m² 1982 47 REBUILD 2009

Secwav 1 patrol vessel 30.47 m 6.80 m 2.00 m tonnage GRT 163 NRT 48 Main engines Output Auxiliary Bow thruster 2 x MWM TBD 234 V12 1 x MWM TBD 604 V12 2 x 600 kw 1 x 1200 kw 2 x MAN D 0226 MTE Hydraulic performance Speed 22 knots 6 persons deck equipment Hydraulic crane HAP 1410 discharge rate Fresh water 3,500 ltr Fuel oil 12,550 ltr Lube oil 745 ltr 1987 48

Secwav 2 patrol vessel 28.62 m 6.38 m 1.95 m tonnage GRT 138 NRT 41 Main engines 2 x MWM TBD 604 V08 1 x MTU 396 TE V8 Output 2 x 825 kw 1 x 1000 kw Auxiliary 2 x KHD BF 42 1 x KHD F3L Bow thruster Herion type 50/122-300 performance Speed 23 knots 9 persons deck equipment Hydraulic crane discharge rate Fresh water Fuel oil Lube oil Palfinger PC 2.400 M 2,500 ltr 10,000 ltr 150 ltr 49 1991

Secwav 3 patrol vessel 25.00 m 6.10 m 2.00 m tonnage GRT 163 NRT 48 Main engines Engine output Bow thruster performance Full operating 1 x CAT 3406 500 HP-Propo 2 x Yanmar 400 HP-Hamilton Jets 433 kw Keypower 65 HP 14 knots @ 180 ltr / hr Fully air-conditioned for 12 persons deck equipment Stern crane Winch discharge rate Cargo Fresh water Fuel oil 8.0 t @ 1 m, 1,5 t @ 6 m 10 t (10 mt / minute) 10 mt 2,000 ltr 18,000 ltr 10 m x 4.30 m 1987 rebuild 2008 50

PAB 1 Portable block Base skid - Length 30.20 m - Width 14.50 m - Height 1.00 m - Weight 126 t Utility deck - Lenght 24.00 m (Overall with staircases 30.20 m) - Width 14.50 m - Height 3.35 m - Weight 165 t Fresh water hydrophore Hot water calorifier Sewage treatment plant Independant HVAC for each level 1st Accom. deck - Lenght 24.00 m (Overall with staircases 30.20 m) - Width 14.50 m - Height 3.35 m - Weight 147 t 2nd Accom. deck - Lenght 24.00 m (Overall with staircases 30.20 m) - Width 14.50 m - Height 3.35 m - Weight 148 t 3rd Accom. deck - Lenght 24.00 m (Overall with staircases 30.20 m) - Width 14.50 m - Height 3.35 m - Weight 150 t tank capacity Fresh water 93 m³ Buffer tank 30 m³ Treated sewage holding tank 15 m³ lifting gears 4 spreader beams 150 MT loading, interconnected with shackles and 12 m dia. 77 mm slings for independent levels lifting Possibility of lifting in one entire unit by 8 point lifting pad eyes welded on the skid Fully air-conditioned for 184 persons 51 2010

TLQ TEMPORARY LIVING QUARTERS general Modular containerized units 48 Levels 4 Compliance ABS, SOLAS A60 and MLC-2006 unit Length Breadth 12.5 m 3.3 m facilities Equipped with: - 10 x 4 person offices - Conference room for 16 persons - Mess room for 80 persons - Recreation room, smoking recreation room, locker rooms, laundry - Galley, fridges, freezers and dry stores areas - Bathroom facilities, with individual hot water systems and vacuum toilets - Telephone and internet access Fully air-conditioned for 224 POB: - 56 x 4 berth cabins other TLQ can be self-supporting of its number of POB. Systems for electrics, fresh water, fire-fighting and PA/GA, can be fully integrated with the vessel system. Modular sewage system treatment plant (separate installed) for management grey and black-water treatment. External walkways, with possibility to be connected to the gangway access tower. Separate container with transformers. 2014 52

Notes 53

STG Sea Trucks Group WEST AFRICA Nigeria (HQ) 11, Oba Adeyinka Oyekan Avenue (Former 2nd Avenue) 101233 Ikoyi, Lagos P.O. Box 8755 Ikoyi, Lagos T +234 12 77 49 99 Warri Marine Support Base E nerhen / Effurun Road DMB 1243 Warri - Delta State T +234 803 672 0576 Onne Onshore Supply Base and Fabrication Yard Oil & Gas Free Zone Onne - Rivers State T +234 905 079 1856 Angola Condominio Mares do Sul Casa no. A07, Talatona Benfica, Luanda T + 244 292 352 2175 EUROPE The Netherlands Central Post Delftseplein 30M 3013 AA Rotterdam P.O. Box 176 3000 AD Rotterdam T +31 10 75 40 100 F +31 10 75 40 199 Warehouse Maxwellstraat 2 3316 GP Dordrecht T +31 78 6526 930 middle east UAE Hamriyah Free Zone P.O. Box 41961 Sharjah T +971 6 526 0221 F +971 6 526 0225 asia pacific Australia Level 24 77, St. Georges Terrace Perth, WA 6000 T +61 8 9218 5888 All information, data and other technical description in this document are for guidance purposes only and subject to change. STG VesselSummary-Rev8 Aug- 16 August 2016 Sea Trucks Group All rights reserved.

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