Common use of Alt Clause in Contracts

Alt. TITLE ----------- ---- ----- 7126-J-100-4 P Scan▇▇▇▇▇ ▇▇▇n - Bottom Plating 7126-J-101-1 P Scan▇▇▇▇▇ ▇▇▇n - Transverse Sections - Frames 2A to 10A 7126-J-101-2 P Scan▇▇▇▇▇ ▇▇▇n - Transverse Sections - Frames 11 to 22 7126-J-101-3 P Scan▇▇▇▇▇ ▇▇▇n - Transverse Sections - Frames 23 to 28, 30, 31, and Side Shell 7126-J-102 P Scan▇▇▇▇▇ ▇▇▇n - Longitudinal Bulkheads 7126-J-103 P Scan▇▇▇▇▇ ▇▇▇n - Longitudinal Girders 7126-J-104-1 P Scan▇▇▇▇▇ ▇▇▇n -Leg Well Modules 7126-J-104-2 P Scan▇▇▇▇▇ ▇▇▇n -Leg Well Modules 7126-J-106-1 P Dry Tow Strong Boxes 7126-J-106-2 P Dry Tow Strong Boxes 7126-J-120-1 P1 Crane Foundations - Sea Trax 6032 - Crane No. 1 & Details 7126-J-120-2 P1 Crane Foundations - Sea Trax 7232 - Crane No. 2 & Details 7126-J-120-3 P1 Crane Foundations - Sea Trax 6032 - Crane No. 3 & Details 7126-J-130-1 P2 Scan▇▇▇▇▇ ▇▇▇n - Quarters 7126-J-130-2 P2 Scan▇▇▇▇▇ ▇▇▇n - Quarters 7126-J-130-3 P2 Scan▇▇▇▇▇ ▇▇▇n - Quarters 7126-J-130-4 P2 Scan▇▇▇▇▇ ▇▇▇n - Quarters 7126-J-131-1 P Structural Plan - Heliport DRAWING NO. ALT. TITLE ----------- ---- ----- 7126-J-131-2 P Heliport - Details and Sections 7126-J-131-3 P Heliport - Details and Sections 7126-J-140-1 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-2 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-3 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-4 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-5 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-6 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-7 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-8 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-9 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-141-1 P Drill Floor Structure 7126-J-141-2 P Drill Floor Structure 7126-J-142-1 P Cantilever Support, Guides and Securing Arrangement 7126-J-142-2 P Cantilever Support, Guides and Securing Arrangement EXHIBIT "E" - Page 3 of 7

Alt. TITLE ----------- ---- ----- 7126-J-001-1 0 General Arrangement - Outboard Profile 7126-J-010 0 Inner Bottom Tank Arrangement 7126-J-011 0 General Arrangement - Machinery Deck 6'-0" A.B.L. 7126-J-012 0 General Arrangement - Machinery Deck 18'-6" A.B.L. 7126-J-013-1 0 General Arrangement - Top Deck Plan 7126-J-013-2 0 General Arrangement - Main Deck 7126-J-014 0 General Arrangement - Drill Floor and Cantilever Beam Pipe Rack 7126-J-015 0 General Arrangement - Cantilever Beam Cellar Deck and Mud Processing Area 7126-J-016 P Primary Structure Plan 7126-J-020 0 General Arrangement Quarters - Sht 1 & 2 7126-J-030 P Lines Plan 7126-J-100-1 P Scan▇▇▇▇▇ ▇▇▇n - Main Deck 7126-J-100-2 P Scan▇▇▇▇▇ ▇▇▇n - 18'-6" Flat 7126-J-100-3 P Scan▇▇▇▇▇ ▇▇▇n - Inner Bottom EXHIBIT "E" - Page 1 of 7 68 DRAWING NO. ALT. TITLE ----------- ---- ----- 7126-J-100-4 P Scan▇▇▇▇▇ ▇▇▇n - Bottom Plating 7126-J-101-1 P Scan▇▇▇▇▇ ▇▇▇n - Transverse Sections - Frames 2A to 10A 7126-J-101-2 P Scan▇▇▇▇▇ ▇▇▇n - Transverse Sections - Frames 11 to 22 7126-J-101-3 P Scan▇▇▇▇▇ ▇▇▇n - Transverse Sections - Frames 23 to 28, 30, 31, and Side Shell 7126-J-102 P Scan▇▇▇▇▇ ▇▇▇n - Longitudinal Bulkheads 7126-J-103 P Scan▇▇▇▇▇ ▇▇▇n - Longitudinal Girders 7126-J-104-1 P Scan▇▇▇▇▇ ▇▇▇n -Leg Well Modules 7126-J-104-2 P Scan▇▇▇▇▇ ▇▇▇n -Leg Well Modules 7126-J-106-1 P Dry Tow Strong Boxes 7126-J-106-2 P Dry Tow Strong Boxes 7126-J-120-1 P1 Crane Foundations - Sea Trax 6032 - Crane No. 1 & Details 7126-J-120-2 P1 Crane Foundations - Sea Trax 7232 - Crane No. 2 & Details 7126-J-120-3 P1 Crane Foundations - Sea Trax 6032 - Crane No. 3 & Details 7126-J-130-1 P2 Scan▇▇▇▇▇ ▇▇▇n - Quarters 7126-J-130-2 P2 Scan▇▇▇▇▇ ▇▇▇n - Quarters 7126-J-130-3 P2 Scan▇▇▇▇▇ ▇▇▇n - Quarters 7126-J-130-4 P2 Scan▇▇▇▇▇ ▇▇▇n - Quarters 7126-J-131-1 P Structural Plan - Heliport EXHIBIT "E" - Page 2 of 7 69 DRAWING NO. ALT. TITLE ----------- ---- ----- 7126-J-131-2 P Heliport - Details and Sections 7126-J-131-3 P Heliport - Details and Sections 7126-J-140-1 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-2 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-3 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-4 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-5 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-6 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-7 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-8 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-140-9 P Scan▇▇▇▇▇ ▇▇▇n - Substructure and Cantilever Beams 7126-J-141-1 P Drill Floor Structure 7126-J-141-2 P Drill Floor Structure 7126-J-142-1 P Cantilever Support, Guides and Securing Arrangement 7126-J-142-2 P Cantilever Support, Guides and Securing Arrangement EXHIBIT "E" - Page 3 of 77 70 DRAWING NO. ALT. TITLE ----------- ---- ----- 7126-J-142-3 P Cantilever Support, Guides and Securing Arrangement 7126-J-142-4 P Cantilever Support, Guides and Securing Arrangement 7126-J-142-5 P Cantilever Support, Guides and Securing Arrangement 7126-J-143 P Cantilever Bearing Plates 7126-J-144 P Cantilever Beam Drilling Clamp 7126-J-150 P Leg Structure 7126-J-151-1 P 59'-0" Diameter Can 7126-J-151-2 P 59'-0" Diameter Can 7126-J-151-3 P 59'-0" Diameter Can 7126-J-160-1 P Framing Below Jack Foundation and Lower Guide 7126-J-160-2 P Framing Below Jack Foundation and Lower Guide 7126-J-161 P Jack Foundation Bracing 7126-J-162 P Pump Tower and Leg Jetting Piping