Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 1

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

Delivery note no./delivery date:--------------------------------14031601/27.06.2005; 14031618/28.06.2005;

Item Article/Dimension (mm) ...quantity ...length/m ...weight/kg (ft) .....pieces ..length/ft ..weight/lbs----------------------------------------------------------------------------4 10063251 1201 15261.260 2586083 50069.753 5701367 406,4x17,5x12800 X 52 Spec. PS

LINE PIPEHigh-Frequency-Inductive (HFI) longitudinally weldedAPI 5L, PSL 2 Edit. 10.04ERW Line Pipe SpecificationDoc. 60001-00-EN-SP-0012-01-ARev.A 05.02.2005MLP techn Comments dtd. 20.02.05Grade X 52Inspection Certificate 3.2 acc. to EN 10204 01.2005Test Certificate 3.2 acc. to EN 10204 01.2005 for coatingEnds bevelled, angle 30 degrees (tolerance + 5 / - 0 degrees), rootface 1,6 + / - 0,8 mmPipe ends closed with perforated plastic caps, suitable for hookloadingWith Epoxy Primer and Mapec (R)-coating, (Mannesmann PE-coating) acc.to DIN 30670 4.91, normal execution N, thickness normal n, "fullystabilized, black".49360 ft = 1234 pcs

Ladle analysis %---------------- C Si Mn P S Al Cu Cr Ni Mo V Ti Nb N B Ca EF1 EF2 EF3 EF4 EF5min. 0.060 0.150 0.80 0.04max. 0.110 0.350 1.55 0.020 0.0070 0.060 0.300 0.10 0.20 0.100 0.060 0.025 0.050 0.0005 0.0060 0.21 0.41 4.00 0.50 0.12Heat-no. E0305615281 2 0.070 0.300 1.38 0.016 0.0006 0.031 0.020 0.06 0.02 0.010 0.030 0.004 0.042 0.0070 0.0002 0.0015 0.16 0.32 2.50 0.11 0.080305615284 2 0.080 0.270 1.37 0.013 0.0019 0.037 0.020 0.05 0.03 0.010 0.030 0.004 0.050 0.0065 0.0001 0.0014 0.17 0.33 0.74 0.11 0.080305615289 2 0.080 0.320 1.40 0.014 0.0008 0.050 0.020 0.05 0.02 0.010 0.030 0.006 0.045 0.0064 0.0001 0.0016 0.17 0.33 2.00 0.10 0.080305615291 2 0.079 0.290 1.36 0.011 0.0010 0.033 0.020 0.05 0.03 0.010 0.030 0.004 0.042 0.0056 0.0001 0.0016 0.16 0.33 1.60 0.11 0.080305615292 2 0.080 0.280 1.36 0.012 0.0008 0.034 0.020 0.04 0.02 0.010 0.020 0.004 0.042 0.0066 0.0001 0.0013 0.16 0.32 1.62 0.09 0.070305615427 2 0.080 0.280 1.38 0.015 0.0018 0.047 0.020 0.06 0.03 0.010 0.030 0.005 0.043 0.0060 0.0002

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 2

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

Ladle analysis %---------------- 0.0012 0.17 0.33 0.67 0.12 0.080305648863 2 0.080 0.290 1.40 0.020 0.0010 0.040 0.020 0.05 0.02 0.010 0.030 0.005 0.048 0.0043 0.0002 0.0012 0.17 0.33 1.20 0.10 0.080305648866 2 0.090 0.310 1.39 0.017 0.0014 0.045 0.020 0.06 0.03 0.010 0.020 0.005 0.045 0.0057 0.0002 0.0014 0.18 0.34 1.00 0.12 0.070305648868 2 0.080 0.280 1.36 0.015 0.0007 0.039 0.020 0.06 0.03 0.010 0.020 0.005 0.044 0.0057 0.0001 0.0013 0.17 0.33 1.86 0.12 0.070305648869 2 0.080 0.280 1.35 0.015 0.0009 0.039 0.020 0.06 0.03 0.010 0.020 0.005 0.040 0.0060 0.0002 0.0016 0.17 0.33 1.78 0.12 0.070305648870 2 0.080 0.280 1.38 0.016 0.0013 0.037 0.020 0.05 0.03 0.010 0.020 0.005 0.045 0.0056 0.0001 0.0015 0.17 0.33 1.15 0.11 0.070305649010 2 0.090 0.290 1.38 0.018 0.0011 0.033 0.020 0.07 0.02 0.010 0.020 0.006 0.049 0.0076 0.0002 0.0015 0.18 0.34 1.36 0.12 0.080305649011 2 0.080 0.280 1.37 0.017 0.0009 0.038 0.020 0.05 0.03 0.010 0.020 0.005 0.045 0.0077 0.0001 0.0011 0.17 0.33 1.22 0.11 0.070305649013 2 0.080 0.280 1.39 0.013 0.0028 0.033 0.020 0.05 0.03 0.010 0.020 0.004 0.045 0.0075 0.0002 0.0011 0.17 0.33 0.39 0.11 0.07

E = (melting process):----------------------2 = Qxygen

Formulas:--------- EF1: C + Si/30 + (Mn + Cu + Cr)/20 + Ni/60 + Mo/15 + V/10 + 5*B EF2: CAE = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15 EF3: Ca/S = Calzium / Schwefel EF4: Cr + Mo + Ni + Cu EF5: V + Ti + Nb

Check analysis %---------------- C Si Mn P S Al Cu Cr Ni Mo V Ti Nb N B Ca EF1 EF2 EF3 EF4 EF5 EF6min. 0.060 0.150 0.80 0.04 2.00max. 0.110 0.350 1.55 0.020 0.0070 0.060 0.350 0.12 0.25 0.100 0.060 0.025 0.050 0.0005 0.0060 0.21 0.41 4.00 0.50 0.12Heat-no.0305615281 0.074 0.282 1.39 0.015 0.0009 0.032 0.020 0.06 0.02 0.005 0.027 0.003 0.043 0.0067 0.0001 0.0016 0.16 0.33 1.78 0.11 0.07 4.780305615281 0.074 0.282 1.39 0.016 0.0009 0.033 0.020 0.06 0.02 0.005 0.027 0.003 0.043 0.0078 0.0001 0.0015 0.16 0.33 1.67 0.11 0.07 4.230305615284 0.077 0.269 1.37 0.013 0.0013 0.039 0.020 0.05 0.02 0.004 0.025 0.003 0.049 0.0059 0.0001 0.0012 0.16 0.32 0.92 0.09 0.08 6.610305615284 0.076 0.264 1.36 0.013 0.0014 0.039 0.020 0.05 0.02 0.003 0.025 0.003 0.049 0.0058 0.0001 0.0013 0.16 0.32 0.93 0.09 0.08 6.720305615289 0.073 0.281 1.37 0.014 0.0011 0.048 0.020 0.04 0.02 0.005 0.026 0.004 0.042 0.0051 0.0001 0.0015 0.16 0.32 1.36 0.09 0.07 9.410305615289 0.072 0.279 1.36 0.013 0.0013 0.048 0.020 0.04 0.02 0.004 0.026 0.004 0.042 0.0049 0.0001 0.0016 0.16 0.32 1.23 0.08 0.07 9.80

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 3

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

Check analysis %----------------0305615291 0.073 0.267 1.36 0.011 0.0008 0.034 0.020 0.04 0.02 0.004 0.025 0.003 0.042 0.0058 0.0001 0.0013 0.16 0.32 1.62 0.08 0.07 5.860305615291 0.074 0.269 1.37 0.011 0.0008 0.035 0.020 0.04 0.02 0.004 0.026 0.003 0.042 0.0055 0.0001 0.0013 0.16 0.32 1.62 0.08 0.07 6.360305615292 0.072 0.270 1.36 0.012 0.0005 0.038 0.020 0.04 0.02 0.003 0.025 0.003 0.042 0.0051 0.0001 0.0012 0.16 0.31 2.40 0.08 0.07 7.450305615292 0.072 0.267 1.35 0.011 0.0006 0.037 0.020 0.04 0.02 0.003 0.025 0.003 0.042 0.0059 0.0001 0.0015 0.15 0.31 2.50 0.08 0.07 6.270305615427 0.072 0.260 1.38 0.014 0.0015 0.052 0.010 0.06 0.03 0.004 0.025 0.004 0.043 0.0048 0.0001 0.0009 0.16 0.32 0.60 0.10 0.07 10.830305615427 0.073 0.265 1.38 0.014 0.0017 0.053 0.010 0.06 0.30 0.004 0.025 0.004 0.042 0.0050 0.0001 0.0011 0.16 0.34 0.65 0.37 0.07 10.600305648863 0.073 0.267 1.40 0.024 0.0010 0.043 0.010 0.05 0.02 0.004 0.025 0.004 0.046 0.0032 0.0001 0.0012 0.16 0.32 1.20 0.08 0.07 13.440305648863 0.072 0.265 1.40 0.023 0.0010 0.042 0.010 0.05 0.02 0.004 0.025 0.004 0.046 0.0029 0.0001 0.0010 0.16 0.32 1.00 0.08 0.07 14.480305648866 0.080 0.293 1.39 0.016 0.0009 0.048 0.020 0.05 0.02 0.003 0.024 0.004 0.043 0.0044 0.0001 0.0012 0.17 0.33 1.33 0.09 0.07 10.910305648866 0.077 0.294 1.37 0.016 0.0008 0.048 0.020 0.05 0.02 0.002 0.024 0.004 0.043 0.0043 0.0001 0.0013 0.16 0.32 1.62 0.09 0.07 11.160305648868 0.071 0.263 1.37 0.014 0.0006 0.044 0.020 0.05 0.03 0.004 0.024 0.004 0.045 0.0043 0.0001 0.0013 0.16 0.32 2.17 0.10 0.07 10.230305648868 0.071 0.260 1.36 0.014 0.0005 0.045 0.020 0.05 0.03 0.003 0.024 0.004 0.043 0.0047 0.0001 0.0013 0.15 0.32 2.60 0.10 0.07 9.570305648869 0.073 0.267 1.37 0.015 0.0006 0.043 0.010 0.06 0.03 0.006 0.024 0.004 0.040 0.0062 0.0001 0.0016 0.16 0.32 2.67 0.11 0.07 6.940305648869 0.074 0.266 1.36 0.015 0.0007 0.045 0.010 0.06 0.03 0.007 0.024 0.004 0.040 0.0055 0.0001 0.0017 0.16 0.32 2.43 0.11 0.07 8.180305648870 0.075 0.261 1.39 0.015 0.0012 0.039 0.020 0.05 0.02 0.004 0.024 0.003 0.043 0.0047 0.0001 0.0014 0.16 0.32 1.17 0.09 0.07 8.300305648870 0.072 0.258 1.39 0.015 0.0012 0.038 0.020 0.05 0.02 0.005 0.024 0.003 0.043 0.0045 0.0001 0.0013 0.16 0.32 1.08 0.10 0.07 8.440305649010 0.080 0.267 1.38 0.017 0.0006 0.035 0.010 0.07 0.02 0.003 0.023 0.005 0.048 0.0066 0.0001 0.0017 0.17 0.33 2.83 0.10 0.08 5.300305649010 0.081 0.269 1.39 0.017 0.0008 0.035 0.010 0.07 0.02 0.003 0.023 0.005 0.049 0.0062 0.0001 0.0017 0.17 0.33 2.13 0.10 0.08 5.650305649011 0.073 0.263 1.39 0.016 0.0008 0.042 0.020 0.05 0.02 0.003 0.022 0.004 0.045 0.0063 0.0001 0.0012 0.16 0.32 1.50 0.09 0.07 6.670305649011 0.071 0.260 1.37 0.016 0.0009 0.041 0.020 0.05 0.02 0.003 0.021 0.004 0.044 0.0059 0.0001 0.0011 0.15 0.32 1.22 0.09 0.07 6.950305649013 0.073 0.275 1.40 0.012 0.0021 0.035 0.020 0.05 0.03 0.004 0.022 0.003 0.045 0.0067 0.0001 0.0011 0.16 0.32 0.52 0.10 0.07 5.220305649013 0.073 0.273 1.40 0.012 0.0020 0.035 0.020 0.05 0.03 0.004 0.022 0.003 0.044 0.0062 0.0001 0.0010 0.16 0.32 0.50 0.10 0.07 5.65

Formula:-------- EF1: C + Si/30 + (Mn + Cu + Cr)/20 + Ni/60 + Mo/15 + V/10 + 5*B EF2: CAE = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15 EF3: Ca/S = Calzium / Schwefel EF4: Cr + Mo + Ni + Cu EF5: V + Ti + Nb EF6: Al / N

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 4

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

Tensile tests-------------Order number Test Yield Tensile RP/RM Elongation Reduction90024242/2 temperature strength strength % %Requirements RT Rt 0,5 MPA MPA A 2"Minimum 359 455 27.0Maximum 479 758 0.90

Heat-no. Sample-no Pipe-no. Orientation Width Thickn.0305615281 MCY 1P 2 472 577 0.82 43.8 1.583 0.6890305615281 MCY 2P 2 475 592 0.80 43.2 1.583 0.6910305615284 MCY 1 2 475 615 0.77 43.4 1.583 0.6910305615289 MCY 2 2 473 610 0.78 42.2 1.583 0.6910305615291 MCY 3 2 468 592 0.79 42.6 1.583 0.6910305615292 MCY 4 2 458 575 0.80 44.6 1.583 0.6950305615427 MCY 5 2 445 570 0.78 41.6 1.583 0.5750305648863 MCY 6 2 450 593 0.76 43.0 1.585 0.6950305648863 MCY 7 2 462 600 0.77 39.6 1.583 0.6950305648866 MCY 8 2 467 589 0.79 41.8 1.585 0.6910305648866 MCY 9 2 454 575 0.79 42.8 1.583 0.6910305648868 MCY 10 2 463 579 0.80 42.4 1.585 0.6930305648868 MCY 11 2 470 585 0.80 44.6 1.575 0.6910305648869 MCY 12 2 472 572 0.83 45.2 1.579 0.6930305648869 MCY 13 2 462 558 0.83 43.0 1.579 0.6950305648870 MCY 14 2 472 587 0.80 44.2 1.575 0.6930305648870 MCY 15 2 469 584 0.80 42.4 1.579 0.6910305649010 MCY 16 2 465 592 0.79 43.4 1.577 0.6910305649010 MCY 17 2 472 561 0.84 41.4 1.579 0.6930305649013 MCY 18 2 467 563 0.83 42.0 1.579 0.691

Tensile tests-------------Order number Test Yield Tensile RP/RM Elongation Reduction90024242/3 temperature strength strength % %Requirements RT Rt 0,5 MPA MPA A 2"Minimum 455Maximum 758

Heat-no. Sample-no Pipe-no. Orientation Width Thickn.0305615281 MCY 1P 3 0 562 0.00 0.0 1.583 0.6810305615281 MCY 2P 3 0 578 0.00 0.0 1.579 0.6790305615284 MCY 1 3 0 580 0.00 0.0 1.577 0.6810305615289 MCY 2 3 0 579 0.00 0.0 1.577 0.6770305615291 MCY 3 3 0 581 0.00 0.0 1.577 0.6770305615292 MCY 4 3 0 563 0.00 0.0 1.575 0.6770305615427 MCY 5 3 0 564 0.00 0.0 1.577 0.6730305648863 MCY 6 3 0 567 0.00 0.0 1.579 0.6750305648863 MCY 7 3 0 582 0.00 0.0 1.577 0.6750305648866 MCY 8 3 0 580 0.00 0.0 1.577 0.6850305648866 MCY 9 3 0 571 0.00 0.0 1.577 0.6730305648868 MCY 10 3 0 581 0.00 0.0 1.577 0.6850305648868 MCY 11 3 0 565 0.00 0.0 1.579 0.687

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 5

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

Tensile tests-------------0305648869 MCY 12 3 0 561 0.00 0.0 1.579 0.6970305648869 MCY 13 3 0 556 0.00 0.0 1.579 0.6890305648870 MCY 14 3 0 562 0.00 0.0 1.579 0.6810305648870 MCY 15 3 0 558 0.00 0.0 1.579 0.6910305649010 MCY 16 3 0 564 0.00 0.0 1.579 0.6970305649010 MCY 17 3 0 580 0.00 0.0 1.577 0.6810305649013 MCY 18 3 0 565 0.00 0.0 1.579 0.677

Orientation:------------2 = base material, transverse3 = weld, transverse

Impact tests:-------------Order-no.: Requirements Temperature Single value min.(J) Average min.(J) Shear area(%)90024242/2 0 Grad C 55 68 60 75

Heat-number. Sample-no. Pipe-no.Orientat./-shape Val.1 Val.2 Val.3 Average SA1 SA2 SA30305615281 MCY 1P 2 41 238 299 299 279 90 100 1000305615281 MCY 2P 2 41 299 175 299 258 100 90 1000305615284 MCY 1 2 41 299 216 299 271 100 85 1000305615289 MCY 2 2 41 299 299 299 299 100 100 1000305615291 MCY 3 2 41 299 299 299 299 100 100 1000305615292 MCY 4 2 41 299 299 299 299 100 100 1000305615427 MCY 5 2 41 299 171 299 256 100 85 1000305648863 MCY 6 2 41 299 299 299 299 100 100 1000305648863 MCY 7 2 41 206 170 186 187 80 80 800305648866 MCY 8 2 41 216 224 156 199 80 80 800305648866 MCY 9 2 41 299 299 299 299 100 100 1000305648868 MCY 10 2 41 190 299 299 263 90 100 1000305648868 MCY 11 2 41 299 299 299 299 100 100 1000305648869 MCY 12 2 41 299 299 299 299 100 100 1000305648869 MCY 13 2 41 299 182 299 260 100 85 1000305648870 MCY 14 2 41 299 299 299 299 100 100 1000305648870 MCY 15 2 41 299 299 208 269 100 100 850305649010 MCY 16 2 41 299 299 299 299 100 100 1000305649010 MCY 17 2 41 168 155 166 163 80 85 850305649013 MCY 18 2 41 233 299 143 225 85 100 90

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

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Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 6

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

Impact tests:-------------Order-no.: Requirements Temperature Single value min.(J) Average min.(J) Shear area(%)90024242/3 0 Grad C 32 41

Heat-number. Sample-no. Pipe-no.Orientat./-shape Val.1 Val.2 Val.3 Average SA1 SA2 SA30305615281 MCY 1P 3 41 163 140 160 154 0 0 00305615281 MCY 2P 3 41 194 120 185 166 0 0 00305615284 MCY 1 3 41 214 125 299 213 0 0 00305615289 MCY 2 3 41 64 208 68 113 0 0 00305615291 MCY 3 3 41 57 64 96 72 0 0 00305615292 MCY 4 3 41 95 94 95 95 0 0 00305615427 MCY 5 3 41 69 41 71 60 0 0 00305648863 MCY 6R1 3 41 180 135 100 138 0 0 00305648863 MCY 6R2 3 41 253 132 132 172 0 0 00305648863 MCY 7 3 41 63 86 75 75 0 0 00305648866 MCY 8 3 41 76 70 78 75 0 0 00305648866 MCY 9 3 41 109 128 68 102 0 0 00305648868 MCY 10 3 41 112 94 95 100 0 0 00305648868 MCY 11 3 41 245 124 174 181 0 0 00305648869 MCY 12 3 41 138 170 173 160 0 0 00305648869 MCY 13 3 41 200 273 136 203 0 0 00305648870 MCY 14 3 41 299 157 231 229 0 0 00305648870 MCY 15 3 41 230 165 299 231 0 0 00305649010 MCY 16 3 41 173 183 100 152 0 0 00305649010 MCY 17 3 41 111 85 74 90 0 0 00305649013 MCY 18 3 41 45 68 35 49 0 0 0

Impact tests:-------------Order-no.: Requirements Temperature Single value min.(J) Average min.(J) Shear area(%)90024242/4 0 Grad C 32 41

Heat-number. Sample-no. Pipe-no.Orientat./-shape Val.1 Val.2 Val.3 Average SA1 SA2 SA30305615281 MCY 1P 17 41 299 299 299 299 0 0 00305615281 MCY 2P 17 41 299 299 299 299 0 0 00305615284 MCY 1 17 41 299 299 218 272 0 0 00305615289 MCY 2 17 41 299 299 299 299 0 0 00305615291 MCY 3 17 41 299 299 299 299 0 0 00305615292 MCY 4 17 41 177 299 299 258 0 0 00305615427 MCY 5 17 41 220 199 146 188 0 0 00305648863 MCY 6 17 41 299 100 191 197 0 0 00305648863 MCY 7 17 41 299 299 299 299 0 0 00305648866 MCY 8 17 41 299 299 299 299 0 0 00305648866 MCY 9 17 41 299 299 299 299 0 0 00305648868 MCY 10 17 41 299 299 299 299 0 0 00305648868 MCY 11 17 41 299 299 299 299 0 0 00305648869 MCY 12 17 41 299 299 158 252 0 0 00305648869 MCY 13 17 41 299 299 218 272 0 0 00305648870 MCY 14 17 41 299 299 299 299 0 0 00305648870 MCY 15 17 41 299 299 299 299 0 0 0

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 7

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

Impact tests:-------------0305649010 MCY 16 17 41 299 299 299 299 0 0 00305649010 MCY 17 17 41 299 299 299 299 0 0 00305649013 MCY 18 17 41 299 299 296 298 0 0 0

Orientation: specimen size:------------ --------------2 = base material, transverse 41 = Charpy - V 1/13 = weld, transverse17 = HAZ=2mm beside welding line, transverse

Test results:-------------Flattening test: : SatisfactoryHardness test: : SatisfactoryMicrographic examination: : SatisfactoryVisual and dimensional inspection: : SatisfactoryHydrostatic test, : 4050 PSI, holding time 10 s : SatisfactoryHeat treatment: Weld zone induction annealed : .The Polyethylen-coating was manufactured : minimum coating thickness: 2,2 mmand tested in acc. with DIN 30670,ISO-Test 25 kV: SatisfactoryThe coils and the pipes have been nondestructive tested : Satisfactoryacc. to the above mentioned specification:A)The skelp surface has been us-tested for laminations along 21 lines,oscillating transverse to the skelp axis Reference Standard: 5 mm wide rectangular notch, T=50 % WTB)The edges of the skelp have been tested with 4 lines on each side,parallel to the pipe axis Reference Standard: 5 mm flat bottom hole, T = 50 % WTC)US-test of the weld seam for longitudinal defects Reference Standard: N 10 NotchD)Check for residual magnetism on the pipe ends max.30 Gauss (3,0 mT)

Marking of products:--------------------Automatic Color Marking inside at both ends:MW-HA Monogramm5L 0256API Monogramm( 06/05 )16" x 0.688"X 52PSL2ETESTED 4050 psi ..,.. m

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

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Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 8

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

Marking of products:--------------------EOG RESOURCES S21271OILBIRD PROJECTHeat-no.:112.51 lb/ftInspection no.:--------------------------------------------------------Automatic colour marking outsideon PE-coating continously over entire length:DIN 30670 N-n5L0256(API-Monogramm)( 06/05 )16" X 0.688"X 52PSL 2ETESTED 4050 psiS21271OILBIRD PROJECT141001359 Item 4--------------------------------------------------------Manual stencilled color marking outside at one pipe end:Length: ..,.. mInspection no.: .

Remarks:--------Index P = First Day Production Test

Remarks to Impact test order number 90024242/2:Test-no. MCY 6R1 and MCY 6R2 = Retest for MCY 6

tube list---------inspection no. heat-no. length/ft weight/lbs 11 615281 41.962 4817 12 615281 41.962 4804 13 615281 41.929 4817 14 615281 41.929 4817 15 615281 41.929 4808 16 615281 41.929 4804 17 615281 41.962 4799 18 615281 41.962 4791 19 615281 41.929 4795 20 615281 41.470 4744 21 615281 41.962 4804 22 615281 40.846 4674 23 615281 41.437 4731 24 615281 41.929 4791

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 9

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 25 615281 41.929 4786 26 615281 41.995 4791 27 615281 41.929 4795 28 615281 41.503 4740 29 615281 41.929 4791 30 615281 41.929 4795 31 615281 41.929 4799 32 615281 41.929 4804 33 615281 41.437 4740 34 615281 41.929 4799 35 615281 41.929 4791 36 615281 41.929 4791 37 615281 41.929 4795 38 615281 41.929 4795 39 615281 41.929 4826 40 615281 41.601 4782 41 615281 41.864 4791 42 615281 41.929 4795 43 615281 41.929 4786 44 615281 41.929 4786 45 615281 40.912 4678 46 615281 41.470 4740 47 615281 39.764 4553 48 615281 41.535 4753 49 615284 41.929 4795 50 615284 41.929 4795 51 615284 41.535 4744 52 615281 41.929 4786 53 615281 41.929 4813 54 615281 41.962 4813 55 615281 41.470 4744 56 615281 41.929 4786 57 615281 41.929 4777 58 615281 41.929 4777 59 615281 41.535 4744 60 615281 41.929 4782 61 615281 41.667 4764 62 615284 41.503 4736 63 615284 41.929 4791 64 615284 41.929 4795 65 615284 41.929 4795 66 615284 41.929 4791 67 615284 41.962 4791 68 615281 41.929 4777 69 615284 41.929 4791 70 615281 39.928 4561 71 615281 41.929 4769 72 615281 41.929 4782 73 615281 41.929 4777 74 615281 41.929 4777 75 615281 41.929 4769 76 615284 41.929 4777

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 10

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 77 615284 41.929 4791 78 615284 41.929 4791 79 615284 41.929 4786 80 615284 41.732 4769 81 615281 41.929 4773 82 615284 41.503 4736 83 615284 41.929 4791 84 615284 41.929 4791 85 615284 41.962 4791 86 615284 41.962 4791 87 615284 38.287 4370 88 615284 41.470 4736 89 615284 41.929 4791 90 615284 41.929 4786 91 615284 41.929 4795 92 615284 41.929 4786 93 615284 41.011 4674 94 615281 41.896 4755 95 615284 41.929 4773 96 615284 41.962 4782 97 615284 38.550 4405 98 615284 41.929 4795 99 615284 41.929 4799 100 615284 41.929 4799 101 615284 41.929 4799 102 615284 41.535 4736 103 615284 41.929 4786 104 615284 41.929 4777 105 615284 41.929 4777 106 615284 41.896 4782 107 615284 41.962 4782 108 615284 41.896 4777 109 615284 41.962 4782 110 615284 41.962 4782 111 615281 41.929 4769 112 615284 41.929 4764 113 615284 41.929 4782 114 615284 41.568 4740 115 615284 41.962 4782 116 615284 41.929 4786 117 615284 41.929 4786 118 615284 41.962 4782 119 615284 41.929 4782 120 615284 41.929 4782 121 615284 41.535 4722 122 615284 38.714 4396 123 615284 41.962 4773 124 615284 41.929 4773 125 615281 41.929 4791 126 615284 41.929 4786 127 615284 40.387 4597 128 615284 41.929 4777

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 11

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 129 615284 40.650 4625 130 615284 41.929 4777 131 615284 41.929 4777 132 615284 38.484 4378 133 615284 41.929 4769 134 615284 41.929 4769 135 615284 41.962 4773 136 615284 41.962 4764 137 615284 41.962 4773 138 615284 41.929 4782 139 615284 38.648 4414 140 615284 38.550 4392 141 615284 41.962 4777 142 615281 41.929 4764 143 615281 41.929 4777 144 615281 38.484 4370 145 615284 41.765 4751 146 615281 41.929 4799 147 615281 40.190 4579 148 615284 41.929 4777 149 615284 41.929 4773 150 615281 41.929 4795 151 615281 41.929 4786 152 615281 41.929 4777 153 615281 41.929 4786 154 615281 41.929 4791 155 615281 41.929 4786 156 615281 41.929 4786 157 615281 41.929 4782 158 615284 39.993 4553 159 615289 41.699 4760 160 615289 38.255 4359 161 615289 41.929 4782 162 615289 41.732 4751 163 615289 41.765 4755 164 615289 41.929 4782 165 615289 41.929 4777 166 615289 41.929 4791 167 615289 41.929 4782 168 615289 41.929 4791 169 615289 41.732 4777 170 615289 41.699 4751 171 615289 41.929 4777 172 615289 41.109 4687 173 615289 41.929 4773 174 615289 41.929 4769 175 615289 41.929 4769 176 615289 41.929 4764 177 615289 41.929 4755 178 615289 41.929 4751 179 615289 41.929 4755 180 615289 41.765 4733

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 12

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 181 615289 41.732 4747 182 615289 41.929 4764 183 615289 41.929 4773 184 615289 41.929 4773 185 615289 41.929 4773 186 615289 41.929 4795 187 615289 41.929 4782 188 615289 41.929 4769 189 615289 41.929 4764 190 615289 41.929 4777 191 615289 38.976 4427 192 615289 41.732 4733 193 615289 41.929 4777 194 615284 41.929 4760 195 615289 41.929 4773 196 615289 41.929 4773 197 615289 41.929 4769 198 615289 41.601 4749 199 615289 41.929 4777 200 615289 41.896 4791 201 615284 41.699 4751 202 615289 41.929 4786 203 615289 41.929 4777 204 615289 41.929 4782 205 615284 41.896 4764 206 615289 41.929 4782 207 615289 41.470 4718 208 615289 41.929 4782 209 615289 41.896 4777 210 615289 40.354 4601 211 615289 41.929 4782 212 615289 41.929 4773 213 615289 41.929 4764 214 615289 41.765 4742 215 615289 41.929 4764 216 615289 41.929 4764 217 615289 41.929 4769 218 615289 41.929 4769 219 615289 41.929 4769 220 615289 41.535 4709 221 615289 41.929 4773 222 615289 41.962 4760 223 615289 38.287 4348 224 615289 41.470 4700 225 615289 41.929 4769 226 615289 40.354 4588 227 615289 41.929 4773 228 615289 41.929 4782 229 615289 41.929 4782 230 615291 41.699 4742 231 615289 41.929 4764 232 615291 41.929 4773

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 13

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 233 615291 41.962 4769 234 615284 40.354 4579 235 615289 41.929 4764 236 615289 41.929 4755 237 615291 41.929 4769 238 615291 41.929 4769 239 615291 41.929 4760 240 615291 41.929 4755 241 615291 41.699 4733 242 615291 41.503 4709 243 615291 41.929 4760 244 615291 41.929 4760 245 615291 41.929 4769 246 615291 41.929 4764 247 615289 41.929 4733 248 615291 41.929 4760 249 615289 39.173 4440 250 615291 41.929 4755 251 615291 41.929 4751 252 615291 41.929 4777 253 615289 41.929 4742 254 615291 41.962 4769 255 615291 41.470 4714 256 615291 41.929 4764 257 615291 40.682 4617 258 615291 41.929 4764 259 615289 41.929 4760 260 615291 41.929 4764 261 615291 41.929 4760 262 615291 41.929 4764 263 615291 41.929 4755 264 615291 41.929 4760 265 615291 41.929 4755 266 615289 41.896 4755 267 615289 41.929 4764 268 615291 41.929 4755 269 615291 41.699 4738 270 615291 41.470 4705 271 615291 41.962 4755 272 615291 40.748 4634 273 615291 41.929 4773 274 615291 41.929 4769 275 615291 41.929 4769 276 615291 41.929 4769 277 615289 41.929 4782 278 615291 41.929 4769 279 615291 41.929 4769 280 615291 41.929 4764 281 615291 41.470 4709 282 615291 38.222 4330 283 615291 41.929 4773 284 615291 39.173 4449

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 14

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 285 615289 41.470 4678 286 615291 41.929 4764 287 615291 41.929 4769 288 615291 41.929 4760 289 615291 41.896 4764 290 615291 41.929 4769 291 615291 41.437 4709 292 615291 41.929 4755 293 615292 41.437 4722 294 615292 41.962 4777 295 615291 41.470 4714 296 615292 41.929 4782 297 615292 41.929 4782 298 615292 41.929 4777 299 615292 41.896 4773 300 615292 41.929 4769 301 615292 41.503 4714 302 615292 41.929 4773 303 615292 41.437 4714 304 615289 41.929 4764 305 615291 41.929 4764 306 615291 41.929 4755 307 615291 40.846 4652 308 615292 41.929 4777 309 615292 41.929 4769 310 615292 41.929 4769 311 615292 41.929 4764 312 615292 41.962 4764 313 615289 41.929 4755 314 615291 41.962 4751 315 615291 41.929 4760 316 615291 41.929 4755 317 615289 41.929 4755 318 615289 41.896 4764 319 615289 41.929 4760 320 615292 41.929 4782 321 615292 41.929 4777 322 615292 41.929 4782 323 615292 41.929 4777 324 615292 41.929 4764 325 615292 41.929 4773 326 615291 41.929 4764 327 615292 39.764 4524 328 615291 41.929 4764 329 615292 41.929 4769 330 615292 41.929 4773 331 615292 41.962 4769 332 615292 41.470 4718 333 615292 41.929 4769 334 615292 40.650 4617 335 615292 41.437 4700 336 615292 41.929 4764

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 15

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 337 615292 41.929 4769 338 615292 41.929 4777 339 615292 41.929 4760 340 615292 41.929 4769 341 615292 41.929 4773 342 615292 41.929 4782 343 615292 41.929 4769 344 615292 41.929 4760 345 615291 41.929 4755 346 615292 41.929 4786 347 615291 41.470 4714 348 615292 41.667 4738 349 615292 41.929 4777 350 615292 41.929 4786 351 615292 41.929 4786 352 615291 41.896 4751 353 615292 41.929 4773 354 615292 41.929 4782 355 615291 41.864 4751 356 615291 41.929 4755 357 615292 41.929 4769 358 615291 41.470 4691 359 615289 40.978 4643 360 615292 41.929 4777 361 615292 41.962 4782 362 615292 41.962 4786 363 615292 41.929 4773 364 615292 41.929 4769 365 615292 41.929 4782 366 615292 41.929 4782 367 615292 41.929 4791 368 615292 41.929 4777 369 615292 41.470 4718 370 615292 40.814 4647 371 615292 41.864 4773 372 615292 41.470 4705 373 615292 41.929 4755 374 615292 41.929 4764 375 615292 41.929 4773 376 615292 40.518 4621 377 615292 41.437 4714 378 615292 38.747 4400 379 615292 41.962 4764 380 615292 41.535 4691 381 615292 41.929 4760 382 615292 41.929 4773 383 615292 41.929 4764 384 615292 41.732 4747 385 615292 41.929 4755 386 615292 41.929 4760 387 615292 41.962 4755 388 615292 41.699 4716

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 16

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 389 615292 41.470 4700 390 615427 41.470 4722 391 615427 41.962 4782 392 615427 41.929 4786 393 615427 41.929 4786 394 615427 41.929 4769 395 615427 41.929 4773 396 615292 41.929 4751 397 615427 41.929 4773 398 615427 41.962 4791 399 615427 41.929 4782 400 615427 41.929 4777 401 615292 41.470 4722 402 615291 40.551 4599 403 615427 41.470 4727 404 615427 41.929 4777 405 615427 41.929 4773 406 615427 41.470 4714 407 615427 41.929 4769 408 615427 41.929 4769 409 615427 41.929 4777 410 615427 41.962 4773 411 615427 41.929 4773 412 615427 41.929 4769 413 615427 41.470 4714 414 615427 41.962 4777 415 615427 41.929 4786 416 615427 41.929 4773 417 615427 41.929 4782 418 615427 41.929 4769 419 615427 41.929 4773 420 615427 41.470 4727 421 615427 41.929 4786 422 615427 41.962 4773 423 615427 41.929 4782 424 615427 41.929 4786 425 615427 41.962 4786 426 615427 41.929 4786 427 615427 41.929 4786 428 615427 38.747 4409 429 615292 41.929 4777 430 615427 41.929 4782 431 615427 41.929 4773 432 615427 41.929 4777 433 615427 41.929 4782 434 615427 41.962 4813 435 615427 41.962 4808 436 615427 41.962 4804 437 615427 41.929 4799 438 615427 41.929 4799 439 615427 41.962 4799 440 615292 41.470 4731

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 17

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 441 615427 40.650 4652 442 615292 41.437 4744 443 615427 41.929 4799 444 615427 41.929 4795 445 615427 41.929 4795 446 615427 41.929 4804 447 615427 40.682 4656 448 615292 41.929 4799 449 615427 41.929 4799 450 615427 41.929 4791 451 615427 41.929 4786 452 615427 41.929 4799 453 615292 41.929 4777 454 615427 41.962 4782 455 615427 41.470 4722 456 615427 41.470 4753 457 615427 41.962 4813 458 615427 41.896 4813 459 615427 41.962 4813 460 615289 41.962 4791 461 615427 41.896 4795 462 615427 41.962 4795 463 615427 41.929 4777 464 615427 41.962 4777 465 615427 41.962 4773 466 615427 41.929 4777 467 615427 41.601 4720 468 615427 41.929 4773 469 615427 41.929 4782 470 648863 41.929 4769 471 648863 41.929 4773 472 615427 41.962 4777 473 615427 41.962 4773 474 648863 41.962 4773 475 648863 41.962 4769 476 648863 41.929 4769 477 648863 41.929 4764 478 648863 41.667 4742 479 648863 41.929 4769 480 648863 40.846 4647 481 648863 41.732 4751 482 648863 41.929 4777 483 648863 41.929 4773 484 648863 41.732 4751 485 648863 41.929 4777 486 648863 41.929 4782 487 648863 41.699 4755 488 648863 41.962 4777 489 648863 41.995 4773 490 648863 41.929 4769 491 648863 41.962 4777 492 648863 41.962 4769

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 18

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 493 648863 41.929 4760 494 648863 41.929 4764 495 648863 41.896 4773 496 648863 41.929 4795 497 648863 41.929 4795 498 648863 41.929 4795 499 648863 41.437 4727 500 648863 40.879 4665 501 648863 41.667 4755 502 648863 41.962 4777 503 615427 41.470 4718 504 615292 41.929 4760 505 648863 41.929 4782 506 648863 41.929 4786 507 615427 41.929 4786 508 648863 39.173 4453 509 648863 41.929 4791 510 648863 41.699 4777 511 648863 41.929 4786 512 648863 38.550 4396 513 648863 41.699 4751 514 648863 41.929 4782 515 648863 41.601 4742 516 648866 41.929 4773 517 648866 41.929 4777 518 648866 41.929 4782 519 648866 41.929 4782 520 648866 41.929 4782 521 648866 41.929 4777 522 648866 40.912 4661 523 648863 41.503 4722 524 648863 41.962 4777 525 648866 41.929 4769 526 648866 41.929 4777 527 648866 38.353 4356 528 648863 41.929 4769 529 615427 41.929 4773 530 615427 41.929 4782 531 648866 41.503 4709 532 648866 41.929 4760 533 648866 41.929 4764 534 648866 39.140 4449 535 615427 38.911 4427 536 648866 41.929 4777 537 648866 41.929 4773 538 648866 41.929 4755 539 648866 41.929 4777 540 648866 41.929 4760 541 648866 41.667 4725 542 648863 41.929 4760 543 648866 41.732 4742 544 648866 41.962 4773

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 19

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 545 648866 41.962 4769 546 648866 41.962 4769 547 648866 41.667 4742 548 648866 41.503 4731 549 648866 41.929 4769 550 648866 41.929 4769 551 648866 41.962 4777 552 648866 41.929 4769 553 648866 40.978 4652 554 648866 41.929 4760 555 648866 41.929 4764 556 648866 41.929 4769 557 648866 41.929 4760 558 648866 41.667 4729 559 648863 41.732 4751 560 648863 41.929 4777 561 648863 41.929 4773 562 648863 41.929 4773 563 648863 41.929 4773 564 648863 41.929 4769 565 648863 41.929 4773 566 648866 39.534 4495 567 648863 41.929 4769 568 648866 41.962 4773 569 648866 41.929 4764 570 648866 41.929 4764 571 648863 38.845 4422 572 648863 41.732 4751 573 648863 41.962 4764 574 648866 41.699 4733 575 648866 41.929 4760 576 648863 41.896 4777 577 648863 41.929 4773 578 648863 41.929 4782 579 648863 38.320 4361 580 648863 41.732 4738 581 648863 41.962 4764 582 648863 41.962 4764 583 648866 39.534 4500 584 648866 41.929 4755 585 648866 41.929 4755 586 648866 41.929 4747 587 648866 41.929 4751 588 648866 41.699 4747 589 648866 41.699 4729 590 648866 41.929 4760 591 648866 41.929 4755 592 648866 41.929 4751 593 648866 41.962 4760 594 648866 41.962 4760 595 648866 41.995 4760 596 648866 41.962 4760

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 20

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 597 648866 41.962 4742 598 648866 41.929 4729 599 648866 41.929 4720 600 648868 41.962 4769 601 648868 41.962 4795 602 648868 41.962 4791 603 648868 40.978 4678 604 648868 41.699 4760 605 648866 41.929 4769 606 648868 41.929 4782 607 648868 41.896 4782 608 648868 41.929 4777 609 648866 41.667 4755 610 648866 41.929 4764 611 648866 41.929 4764 612 648866 41.929 4769 613 648866 41.929 4755 614 648868 41.929 4782 615 648868 41.929 4791 616 648868 41.929 4795 617 648868 41.929 4786 618 648866 40.420 4619 619 648868 41.929 4786 620 648868 41.929 4791 621 648868 41.929 4786 622 648868 41.929 4786 623 648868 41.699 4755 624 648868 41.929 4786 625 648868 41.929 4782 626 648863 41.929 4782 627 648863 41.929 4782 628 648863 41.962 4777 629 648863 41.929 4777 630 648868 41.273 4687 631 648868 41.929 4791 632 648863 41.962 4791 633 648863 41.699 4760 634 648863 41.929 4791 635 648863 41.929 4782 636 648863 41.929 4777 637 648863 41.929 4786 638 648863 41.962 4777 639 648863 40.518 4612 640 648868 41.962 4791 641 648868 40.486 4617 642 648863 41.962 4786 643 648863 41.732 4760 644 648866 41.929 4777 645 648866 41.929 4777 646 648866 40.157 4583 647 648866 41.699 4755 648 648866 41.929 4786

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 21

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 649 648866 41.929 4782 650 648866 41.699 4760 651 648866 41.929 4769 652 648866 41.929 4777 653 648866 41.929 4760 654 648866 41.929 4773 655 648866 41.929 4769 656 648866 41.929 4760 657 648866 41.929 4764 658 648866 41.929 4777 659 648868 41.962 4773 660 648868 41.929 4773 661 648868 38.878 4418 662 648866 41.929 4764 663 648868 41.929 4777 664 648868 41.929 4786 665 648868 41.699 4760 666 648868 41.929 4782 667 648863 38.451 4374 668 648868 41.732 4755 669 648868 41.962 4791 670 648868 41.962 4795 671 648866 40.322 4575 672 648868 38.944 4445 673 648868 38.714 4400 674 648868 41.699 4758 675 648868 38.550 4405 676 648868 39.567 4522 677 648868 41.962 4786 678 648868 41.962 4791 679 648868 41.929 4791 680 648868 41.929 4791 681 648868 41.929 4791 682 648868 41.076 4683 683 648868 41.929 4786 684 648868 41.929 4791 685 648863 41.929 4773 686 648863 41.962 4777 687 648866 41.732 4738 688 648866 41.929 4773 689 648866 41.929 4764 690 648866 41.699 4742 691 648866 41.929 4760 692 648863 41.962 4773 693 648863 40.846 4647 694 648868 41.929 4773 695 648868 41.929 4777 696 648868 41.929 4791 697 648868 41.929 4782 698 648868 41.929 4782 699 648868 41.929 4799 700 648868 41.929 4782

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 22

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 701 648868 41.929 4773 702 648868 41.929 4764 703 648868 41.929 4777 704 648868 41.929 4777 705 648868 41.929 4782 706 648868 41.929 4782 707 648868 41.699 4751 708 648868 41.667 4751 709 648868 41.732 4742 710 648868 41.962 4769 711 648868 41.929 4769 712 648868 41.962 4769 713 648868 41.929 4769 714 648868 41.929 4769 715 648868 41.962 4760 716 648868 41.929 4747 717 648868 41.929 4742 718 648868 41.011 4652 719 648868 41.929 4733 720 648868 38.353 4325 721 648863 41.929 4777 722 648863 41.929 4782 723 648863 41.929 4782 724 648863 40.256 4583 725 648863 41.699 4747 726 648863 41.962 4791 727 648863 41.929 4777 728 648868 41.929 4782 729 648869 41.699 4733 730 648869 41.929 4769 731 648869 41.929 4764 732 648863 41.929 4773 733 648868 41.929 4764 734 648868 41.929 4733 735 648868 41.929 4764 736 648868 41.699 4751 737 648868 38.517 4370 738 648868 41.765 4764 739 648869 41.929 4777 740 648869 41.929 4782 741 648869 41.929 4777 742 648869 41.929 4799 743 648869 41.929 4769 744 648868 40.387 4601 745 648868 41.929 4782 746 648866 41.929 4742 747 648869 41.929 4773 748 648869 41.929 4773 749 648869 41.929 4777 750 648869 41.929 4786 751 648866 41.929 4747 752 648869 41.929 4769

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 23

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 753 648869 41.929 4795 754 648868 41.929 4782 755 648869 41.929 4791 756 648869 41.043 4683 757 648868 41.929 4769 758 648868 41.929 4742 759 648869 41.962 4773 760 648869 41.929 4773 761 648868 41.699 4738 762 648868 41.929 4755 763 648866 41.929 4777 764 648866 41.929 4791 765 648869 41.929 4782 766 648869 41.929 4777 767 648869 41.929 4786 768 648866 41.929 4751 769 648866 41.699 4747 770 648866 41.929 4782 771 648869 41.929 4782 772 648869 41.962 4777 773 648869 41.929 4791 774 648869 41.929 4795 775 648866 41.929 4760 776 648869 41.470 4714 777 648866 41.929 4769 778 648869 41.929 4786 779 648869 41.929 4777 780 648869 41.962 4795 781 648869 41.929 4791 782 648869 41.929 4795 783 648869 41.929 4786 784 648869 41.437 4722 785 648869 41.470 4731 786 648869 41.929 4808 787 648869 41.929 4795 788 648869 41.929 4795 789 648869 41.929 4791 790 648869 41.929 4795 791 648869 41.929 4782 792 648869 41.929 4777 793 648869 40.814 4652 794 648869 41.929 4777 795 648869 41.470 4722 796 648869 41.929 4777 797 648869 41.929 4777 798 648869 41.929 4786 799 648863 41.929 4777 800 648869 41.929 4777 801 648869 39.633 4531 802 648869 41.962 4795 803 648869 41.503 4727 804 648869 41.962 4782

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 24

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 805 648869 41.962 4782 806 648863 41.929 4773 807 648869 41.929 4773 808 648869 41.929 4777 809 648869 40.322 4588 810 648869 41.929 4773 811 648869 41.404 4705 812 648869 41.470 4722 813 648869 41.962 4769 814 648869 39.633 4504 815 648869 41.962 4777 816 648869 41.962 4777 817 648869 41.929 4782 818 648869 41.929 4760 819 648863 41.667 4742 820 648868 38.944 4449 821 648863 41.929 4769 822 648869 41.699 4777 823 648869 41.962 4786 824 648869 41.962 4773 825 648869 41.929 4760 826 648869 41.929 4764 827 648869 41.929 4773 828 648869 41.142 4674 829 648869 41.929 4777 830 648869 41.929 4773 831 648869 41.929 4777 832 648869 41.929 4782 833 648869 41.929 4769 834 648869 41.929 4769 835 648869 41.929 4773 836 648869 41.929 4764 837 648870 41.929 4791 838 648870 41.699 4764 839 648870 41.470 4744 840 648869 41.503 4718 841 648870 41.929 4764 842 648870 41.929 4755 843 648870 41.929 4764 844 648870 41.962 4769 845 648870 41.929 4786 846 648870 41.929 4795 847 648870 41.929 4808 848 648870 41.470 4766 849 648869 41.929 4777 850 648869 41.699 4729 851 648868 39.403 4478 852 648869 39.633 4504 853 648869 41.929 4773 854 648869 41.699 4755 855 648869 41.929 4777 856 648869 41.929 4764

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 25

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 857 648869 41.929 4760 858 648870 41.470 4709 859 648869 41.929 4755 860 648869 41.470 4705 861 648869 40.879 4652 862 648869 41.929 4773 863 648869 41.503 4727 864 648869 41.470 4714 865 648869 41.929 4773 866 648869 41.929 4777 867 648869 41.699 4751 868 648869 41.929 4760 869 648870 41.929 4786 870 648870 41.929 4769 871 648870 41.929 4773 872 648870 41.929 4773 873 648870 41.929 4782 874 648870 41.929 4777 875 648870 41.929 4773 876 648870 38.714 4418 877 648869 41.929 4760 878 648870 41.929 4786 879 648870 41.929 4769 880 648870 41.929 4764 881 648869 41.371 4696 882 648870 41.929 4764 883 648870 41.929 4755 884 648870 40.748 4634 885 648863 41.929 4777 886 648870 41.929 4751 887 648870 41.929 4769 888 648870 41.929 4773 889 648870 41.929 4791 890 648870 41.929 4795 891 648870 40.748 4643 892 648869 41.929 4795 893 648869 41.929 4773 894 648870 41.929 4782 895 648870 41.962 4777 896 648870 41.371 4696 897 648870 41.929 4769 898 648870 41.962 4764 899 648870 41.896 4769 900 648870 41.929 4777 901 648870 41.732 4760 902 648870 41.929 4782 903 648870 41.929 4791 904 648869 40.420 4619 905 648870 41.503 4722 906 648870 41.929 4764 907 648870 40.617 4625 908 648870 41.929 4773

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 26

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 909 648870 41.929 4773 910 648870 41.503 4718 911 648870 41.929 4777 912 648870 41.962 4764 913 648870 41.929 4769 914 648870 41.470 4714 915 648870 41.929 4791 916 648870 41.962 4782 917 648870 41.929 4799 918 648870 41.929 4786 919 648870 41.929 4782 920 648870 41.929 4769 921 648870 41.929 4760 922 648870 41.929 4760 923 648870 41.470 4700 924 648870 41.437 4683 925 648868 41.929 4733 926 648870 41.929 4755 927 648870 41.470 4669 928 648870 41.929 4760 929 648863 38.058 4306 930 648870 41.470 4714 931 648870 41.699 4742 932 648870 41.699 4747 933 648870 41.929 4782 934 648863 41.929 4782 935 648870 41.929 4782 936 648870 41.929 4782 937 648870 41.929 4777 938 648870 41.962 4791 939 648870 41.962 4782 940 648870 41.962 4769 941 648870 40.584 4621 942 648863 41.929 4782 943 648863 41.962 4773 944 648870 41.470 4731 945 648870 41.076 4665 946 648870 41.699 4747 947 648863 41.929 4773 948 648863 41.962 4773 949 648863 41.962 4782 950 648863 41.929 4782 951 648863 41.929 4782 952 648870 41.470 4718 953 648870 41.962 4777 954 648870 41.503 4700 955 648870 41.962 4760 956 648863 41.503 4709 957 648863 41.962 4760 958 648866 41.699 4738 959 648866 41.699 4733 960 648868 40.879 4652

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 27

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 961 648870 41.929 4769 962 648870 41.470 4709 963 648870 41.929 4769 964 648866 41.929 4769 965 648868 41.929 4769 966 648868 41.929 4769 967 648868 41.929 4773 968 648868 41.929 4764 969 648868 41.929 4769 970 648868 41.699 4738 971 648868 41.699 4738 972 648868 41.699 4733 973 648868 41.929 4773 974 648868 41.929 4773 975 648868 41.929 4773 976 648868 41.929 4747 977 648868 41.699 4720 978 648863 41.929 4760 979 648868 41.929 4760 980 648868 41.929 4751 981 648868 41.699 4725 982 648868 41.929 4755 983 648868 41.929 4769 984 648870 40.781 4652 985 648870 41.929 4782 986 648868 41.929 4764 987 648868 41.962 4760 988 649010 41.929 4777 989 649010 41.962 4777 990 649010 41.962 4773 991 649010 41.929 4782 992 649010 41.962 4782 993 648868 41.929 4769 994 649010 41.929 4773 995 649010 41.929 4773 996 648869 41.732 4760 997 648869 41.929 4804 998 648869 41.929 4799 999 648870 41.929 4782 1000 648870 41.929 4777 1001 648870 41.929 4777 1002 648870 41.929 4777 1003 648868 41.929 4769 1004 649010 41.929 4782 1005 649010 40.715 4639 1006 649010 41.929 4777 1007 649010 41.929 4777 1008 649010 41.929 4777 1009 649010 41.929 4769 1010 649010 41.699 4742 1011 649010 41.929 4782 1012 649010 41.929 4777

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 28

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 1013 648869 41.699 4773 1014 648870 41.929 4773 1015 649010 41.667 4725 1016 648870 41.437 4718 1017 648870 41.699 4760 1018 648870 41.929 4773 1019 649010 38.451 4370 1020 649010 38.615 4378 1021 649010 41.929 4777 1022 649010 41.929 4773 1023 649010 41.929 4769 1024 649010 41.929 4769 1025 649010 41.929 4777 1026 648870 41.929 4773 1027 648870 41.929 4791 1028 649010 41.699 4755 1029 649010 41.732 4769 1030 649010 41.929 4777 1031 649010 41.732 4747 1032 649010 41.437 4727 1033 649010 41.929 4769 1034 649010 41.699 4764 1035 649010 41.929 4791 1036 649010 41.929 4795 1037 649010 41.929 4777 1038 648870 41.929 4782 1039 648870 41.699 4773 1040 649010 41.995 4777 1041 649010 41.699 4760 1042 649010 41.699 4760 1043 649010 40.322 4605 1044 649010 41.929 4791 1045 649010 41.929 4786 1046 649010 41.929 4786 1047 649010 41.929 4764 1048 615281 41.404 4714 1049 615281 41.568 4731 1050 649010 41.699 4755 1051 648869 40.354 4592 1052 649010 41.699 4738 1053 649010 41.929 4764 1054 649010 41.929 4764 1055 649010 41.962 4773 1056 649010 40.354 4583 1057 649010 41.667 4755 1058 649010 41.667 4720 1059 649010 41.699 4751 1060 649010 41.962 4777 1061 649010 41.962 4764 1062 649010 41.732 4738 1063 649010 41.929 4760 1064 649010 41.929 4760

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 29

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 1065 649010 41.929 4760 1066 649010 41.929 4764 1067 649010 38.484 4374 1068 649011 41.699 4751 1069 649011 41.929 4777 1070 649011 41.929 4786 1071 649011 41.929 4786 1072 649011 41.929 4791 1073 649011 40.846 4652 1074 649011 41.699 4764 1075 649011 41.699 4733 1076 649011 41.929 4755 1077 649011 41.929 4747 1078 649011 41.667 4725 1079 649011 41.699 4755 1080 649011 41.929 4786 1081 649011 41.929 4786 1082 649011 41.929 4782 1083 649011 41.929 4777 1084 649011 41.929 4751 1085 649011 41.929 4760 1086 649011 41.699 4751 1087 649010 41.995 4777 1088 649011 41.929 4791 1089 649010 41.699 4760 1090 649010 41.732 4764 1091 649010 41.929 4777 1092 648869 41.699 4769 1093 649011 41.962 4786 1094 649011 41.962 4777 1095 649011 41.962 4786 1096 649011 41.929 4795 1097 649011 41.962 4799 1098 649011 41.929 4795 1099 649011 41.732 4760 1100 649010 41.043 4683 1101 649010 41.929 4773 1102 649010 38.550 4392 1103 649010 39.173 4458 1104 649011 41.929 4799 1105 649011 41.929 4782 1106 649011 41.929 4782 1107 649011 41.535 4722 1108 649011 41.962 4773 1109 649011 41.962 4777 1110 649011 41.962 4782 1111 649011 41.929 4777 1112 649011 41.929 4782 1113 649011 41.929 4791 1114 649011 41.929 4799 1115 649011 41.929 4804 1116 649011 41.699 4769

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 30

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 1117 649011 40.978 4687 1118 649011 41.929 4773 1119 649011 41.929 4777 1120 649011 41.929 4777 1121 649011 41.929 4777 1122 649011 41.929 4782 1123 649011 41.929 4773 1124 649011 40.486 4621 1125 649011 41.929 4782 1126 649011 41.667 4733 1127 649011 41.699 4738 1128 649011 41.929 4769 1129 649011 41.929 4777 1130 649011 41.929 4764 1131 649011 41.929 4782 1132 649011 41.929 4786 1133 649011 41.929 4782 1134 649011 41.929 4791 1135 649011 41.929 4791 1136 649011 41.929 4795 1137 615291 41.699 4742 1138 615291 41.929 4773 1139 615291 41.929 4773 1140 615291 41.929 4773 1141 615291 41.929 4773 1142 615291 41.929 4769 1143 615291 41.929 4769 1144 615291 41.929 4764 1145 649011 41.929 4782 1146 649011 41.929 4777 1147 615291 41.699 4738 1148 615291 41.699 4733 1149 615427 41.929 4791 1150 615427 41.929 4786 1151 649010 41.732 4769 1152 615427 41.929 4777 1153 615427 41.929 4760 1154 615427 41.962 4755 1155 615427 41.962 4760 1156 615427 41.699 4738 1157 649010 41.699 4760 1158 648870 41.732 4764 1159 649010 41.929 4769 1160 649010 41.929 4769 1161 649011 41.831 4769 1162 649011 41.929 4773 1163 649011 41.929 4786 1164 649011 41.929 4782 1165 649011 41.699 4755 1166 649013 41.929 4760 1167 649010 41.929 4760 1168 649013 39.928 4491

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 31

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

tube list---------inspection no. heat-no. length/ft weight/lbs 1169 649011 41.437 4727 1170 649010 41.699 4747 1171 615427 41.929 4773 1172 648870 41.634 4747 1173 649010 41.732 4755 1174 649010 41.929 4764 1175 649013 41.929 4764 1176 649013 41.929 4760 1177 649013 41.929 4764 1178 649011 41.929 4791 1179 649011 41.929 4786 1180 649011 41.929 4782 1181 649010 41.929 4755 1182 649010 41.699 4738 1183 649013 41.929 4760 1184 649013 41.929 4751 1185 649010 41.896 4791 1186 649010 41.929 4786 1187 649011 41.240 4705 1188 649011 41.929 4769 1189 649013 41.929 4747 1190 649013 41.929 4742 1191 649013 41.929 4738 1192 649013 41.470 4696 1193 615427 41.929 4769 1194 615427 41.929 4769 1195 615427 41.929 4764 1196 649011 41.929 4777 1197 649013 41.929 4764 1198 649013 41.929 4760 1199 649013 41.929 4760 1200 649013 41.929 4755 1201 649010 41.929 4760 1202 649013 41.929 4755 1203 649013 41.929 4725 1204 649010 41.929 4769 1205 649011 41.929 4773 1206 649013 41.929 4769 1207 649013 41.929 4742 1208 649013 40.551 4577 1209 649010 41.929 4769 1210 649013 39.534 4434 1211 649013 41.043 4656

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.

Inspection certificate 3.1 acc. DIN EN 10204:2005-01

05/03008 15.07.2005 32

141001359 Trinidad,Tobago

Zimmermann/Meyer Line Pipe

02381/420-450 02381/420-454

17.02.2005 S21271

The products have been tested in accordance with the purchase specification and are found to be satisfactory.

Alteration of this testimonial and certification or use for other products is not allowed and areregarded as falsification of documents and will be subjected to criminal jurisdiction.

INSPECTION REPRESENTATIVE

Zimmermann

Mannesmann Line Pipe GmbH . Postfach 17 13 . D-59061 Hamm

Mannesmann Line Pipe GmbH Geschäftsführer: Sitz der Gesellschaft: HammKissinger Weg , D-59067 Hamm Ulrich Kill Eintragung im Handelsregister: Dr. Klaus Welters Amtsgericht Hamm HRB 2538Telefon (02381) 420-700/701 Jörn WinkelsTelefax (02381) 420-719

/ 32Certificate-no. Date Page

To delivery note no. Delivery date

Supplier order no. Destination

Inspection representative Supply-plant

Tel. Fax

Purchaser-order no. Date of order User User-order no.