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Boiler Tube Company of America Available Tubing Inventory as of May 15, 2018 Total Material Tube Wall Tube Available Available Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft) BT .000 0.000 Other/Domestic 4.000 16 64.000 BT .000 0.000 Other/Domestic 4.000 16 64.000 BT .000 0.000 Other/Domestic 7.333 48 351.984 SA178A 1.500 0.105 Other/Domestic 24.000 107 2,568.000 SA178A 1.500 0.120 Other/Domestic 27.000 27 729.000 SA178A 1.500 0.125 Other/Domestic 24.000 104 2,496.000 SA178A 1.500 0.135 Other/Domestic 24.000 194 4,656.000 SA178A 1.500 0.150 Other/Domestic 24.000 4 96.000 SA178A 1.500 0.150 Other/Domestic 24.083 5 120.415 SA178A 1.500 0.165 Other/Domestic 23.250 32 744.000 SA178A 1.500 0.180 Other/Domestic 32.083 13 417.079 SA178A 1.750 0.165 Other/Domestic 21.250 5 106.250 SA178A 1.750 0.165 Other/Domestic 25.000 17 425.000 SA178A 1.750 0.165 Other/Domestic 30.000 8 240.000 SA178A 2.000 0.095 Other/Domestic 27.000 3 81.000 SA178A 2.000 0.105 Other/Domestic 24.000 63 1,512.000 SA178A 2.000 0.120 Other/Domestic 24.000 65 1,560.000 SA178A 2.000 0.125 Other/Domestic 24.000 29 696.000 SA178A 2.000 0.135 Other/Domestic 28.333 9 254.997 SA178A 2.000 0.135 Other/Domestic 33.000 12 396.000 SA178A 2.000 0.150 Other/Domestic 16.250 17 276.250 SA178A 2.000 0.150 Other/Domestic 24.000 78 1,872.000 SA178A 2.000 0.150 Other/Domestic 28.083 26 730.158 SA178A 2.000 0.165 Other/Domestic 24.000 13 312.000 SA178A 2.000 0.180 Other/Domestic 17.917 6 107.502 SA178A 2.000 0.180 Other/Domestic 24.000 64 1,536.000 SA178A 2.000 0.180 Other/Domestic 26.000 18 468.000 SA178A 2.000 0.180 Other/Domestic 31.000 33 1,023.000 SA178A 2.000 0.180 Other/Domestic 34.167 7 239.169 SA178A 2.000 0.203 Other/Domestic 36.250 2 72.500 SA178A 2.000 0.220 Other/Domestic 18.250 2 36.500 SA178A 2.000 0.220 Other/Domestic 44.833 26 1,165.658 SA178A 2.000 0.240 Other/Domestic 37.667 1 37.667 SA178A 2.000 0.240 Other/Domestic 38.500 8 308.000 SA178A 2.500 0.105 Other/Domestic 23.000 1 23.000 SA178A 2.500 0.105 Other/Domestic 24.000 70 1,680.000 SA178A 2.500 0.105 Other/Domestic 28.083 2 56.166 SA178A 2.500 0.105 Other/Domestic 32.000 2 64.000 SA178A 2.500 0.105 Other/Domestic 32.500 1 32.500 Page 1 of 18 Printed at 05/15/18 04.00.00

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Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

BT .000 0.000 Other/Domestic 4.000 16 64.000

BT .000 0.000 Other/Domestic 4.000 16 64.000

BT .000 0.000 Other/Domestic 7.333 48 351.984

SA178A 1.500 0.105 Other/Domestic 24.000 107 2,568.000

SA178A 1.500 0.120 Other/Domestic 27.000 27 729.000

SA178A 1.500 0.125 Other/Domestic 24.000 104 2,496.000

SA178A 1.500 0.135 Other/Domestic 24.000 194 4,656.000

SA178A 1.500 0.150 Other/Domestic 24.000 4 96.000

SA178A 1.500 0.150 Other/Domestic 24.083 5 120.415

SA178A 1.500 0.165 Other/Domestic 23.250 32 744.000

SA178A 1.500 0.180 Other/Domestic 32.083 13 417.079

SA178A 1.750 0.165 Other/Domestic 21.250 5 106.250

SA178A 1.750 0.165 Other/Domestic 25.000 17 425.000

SA178A 1.750 0.165 Other/Domestic 30.000 8 240.000

SA178A 2.000 0.095 Other/Domestic 27.000 3 81.000

SA178A 2.000 0.105 Other/Domestic 24.000 63 1,512.000

SA178A 2.000 0.120 Other/Domestic 24.000 65 1,560.000

SA178A 2.000 0.125 Other/Domestic 24.000 29 696.000

SA178A 2.000 0.135 Other/Domestic 28.333 9 254.997

SA178A 2.000 0.135 Other/Domestic 33.000 12 396.000

SA178A 2.000 0.150 Other/Domestic 16.250 17 276.250

SA178A 2.000 0.150 Other/Domestic 24.000 78 1,872.000

SA178A 2.000 0.150 Other/Domestic 28.083 26 730.158

SA178A 2.000 0.165 Other/Domestic 24.000 13 312.000

SA178A 2.000 0.180 Other/Domestic 17.917 6 107.502

SA178A 2.000 0.180 Other/Domestic 24.000 64 1,536.000

SA178A 2.000 0.180 Other/Domestic 26.000 18 468.000

SA178A 2.000 0.180 Other/Domestic 31.000 33 1,023.000

SA178A 2.000 0.180 Other/Domestic 34.167 7 239.169

SA178A 2.000 0.203 Other/Domestic 36.250 2 72.500

SA178A 2.000 0.220 Other/Domestic 18.250 2 36.500

SA178A 2.000 0.220 Other/Domestic 44.833 26 1,165.658

SA178A 2.000 0.240 Other/Domestic 37.667 1 37.667

SA178A 2.000 0.240 Other/Domestic 38.500 8 308.000

SA178A 2.500 0.105 Other/Domestic 23.000 1 23.000

SA178A 2.500 0.105 Other/Domestic 24.000 70 1,680.000

SA178A 2.500 0.105 Other/Domestic 28.083 2 56.166

SA178A 2.500 0.105 Other/Domestic 32.000 2 64.000

SA178A 2.500 0.105 Other/Domestic 32.500 1 32.500

Page 1 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA178A 2.500 0.105 Other/Domestic 34.000 17 578.000

SA178A 2.500 0.120 Other/Domestic 14.750 7 103.250

SA178A 2.500 0.120 Other/Domestic 18.000 2 36.000

SA178A 2.500 0.120 Other/Domestic 19.167 3 57.501

SA178A 2.500 0.120 Other/Domestic 20.083 1 20.083

SA178A 2.500 0.120 Other/Domestic 21.000 4 84.000

SA178A 2.500 0.120 Other/Domestic 22.000 18 396.000

SA178A 2.500 0.120 Other/Domestic 28.083 37 1,039.071

SA178A 2.500 0.120 Other/Domestic 32.000 5 160.000

SA178A 2.500 0.120 Other/Domestic 33.500 4 134.000

SA178A 2.500 0.120 Other/Domestic 35.000 3 105.000

SA178A 2.500 0.120 Other/Domestic 43.000 6 258.000

SA178A 2.500 0.135 Other/Domestic 18.000 13 234.000

SA178A 2.500 0.135 Other/Domestic 24.000 62 1,488.000

SA178A 2.500 0.150 Other/Domestic 21.000 8 168.000

SA178A 2.500 0.150 Other/Domestic 21.500 3 64.500

SA178A 2.500 0.165 Other/Domestic 24.000 113 2,712.000

SA178A 2.500 0.180 Other/Domestic 24.000 67 1,608.000

SA178A 2.500 0.180 Other/Domestic 28.083 3 84.249

SA178A 2.500 0.180 Other/Domestic 29.750 3 89.250

SA178A 2.500 0.180 Other/Domestic 32.000 12 384.000

SA178A 2.500 0.180 Other/Domestic 34.000 14 476.000

SA178A 2.500 0.180 Other/Domestic 38.000 6 228.000

SA178A 2.500 0.203 Other/Domestic 24.000 146 3,504.000

SA178A 3.000 0.105 Other/Domestic 24.000 25 600.000

SA178A 3.000 0.105 Other/Domestic 30.000 4 120.000

SA178A 3.000 0.120 Other/Domestic 27.000 16 432.000

SA178A 3.000 0.150 Other/Domestic 24.000 60 1,440.000

SA178A 3.000 0.165 Other/Domestic 20.500 3 61.500

SA178A 3.000 0.165 Other/Domestic 24.000 38 912.000

SA178A 3.000 0.165 Other/Domestic 26.000 3 78.000

SA178A 3.000 0.200 Other/Domestic 24.000 22 528.000

SA178A 3.000 0.220 Other/Domestic 24.000 48 1,152.000

SA178A 3.250 0.120 Other/Domestic 20.250 1 20.250

SA178A 3.250 0.135 Other/Domestic 19.500 1 19.500

SA178A 3.250 0.180 Other/Domestic 21.750 1 21.750

SA178A 3.250 0.180 Other/Domestic 24.000 45 1,080.000

SA178A 3.250 0.180 Other/Domestic 36.000 2 72.000

SA178A 3.250 0.203 Other/Domestic 24.000 32 768.000

Page 2 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA178A 4.000 0.135 Other/Domestic 17.420 1 17.420

SA178A 4.000 0.135 Other/Domestic 26.000 5 130.000

SA178A 4.000 0.150 Other/Domestic 20.083 16 321.328

SA178A 4.000 0.150 Other/Domestic 24.083 4 96.332

SA178C 2.250 0.180 Other/Domestic 38.000 1 38.000

SA178C 3.000 0.180 Other/Domestic 18.250 3 54.750

SA178C 3.000 0.180 Other/Domestic 27.500 5 137.500

SA192 1.250 0.120 Other/Domestic 20.083 11 220.913

SA192 1.500 0.180 Other/Domestic 18.750 6 112.500

SA192 1.500 0.180 Other/Domestic 46.750 6 280.500

SA192 1.750 0.200 Other/Domestic 29.500 7 206.500

SA192 2.000 0.134 Other/Domestic 20.000 53 1,060.000

SA192 2.125 0.200 Other/Domestic 18.000 15 270.000

SA192 2.500 0.135 Other/Domestic 23.500 3 70.500

SA192 2.500 0.176 Other/Domestic 32.083 3 96.249

SA192 2.750 0.220 Other/Domestic 36.000 2 72.000

SA192 2.750 0.220 Other/Domestic 38.000 2 76.000

SA209T1 1.750 0.000 Other/Domestic 23.000 2 46.000

SA209T1A 1.750 0.148 Other/Domestic 30.000 5 150.000

SA209T1A 1.750 0.148 Other/Domestic 32.083 2 64.166

SA209T1A 1.750 0.250 Other/Domestic 20.000 20 400.000

SA209T1A 2.000 0.214 Other/Domestic 40.750 6 244.500

SA209T1A 2.250 0.148 Other/Domestic 18.000 3 54.000

SA209T1A 2.500 0.220 Other/Domestic 18.250 14 255.500

SA209T1A 2.500 0.250 Other/Domestic 24.000 1 24.000

SA209T1A 2.969 0.330 Other/Domestic 20.000 7 140.000

SA210A1 1.000 0.000 Other/Domestic 24.000 35 840.000

SA210A1 1.000 0.240 Other/Domestic 27.000 15 405.000

SA210A1 1.500 0.120 Other/Domestic 24.000 50 1,200.000

SA210A1 1.500 0.150 Other/Domestic 24.000 6 144.000

SA210A1 1.500 0.150 Other/Domestic 38.000 51 1,938.000

SA210A1 1.500 0.165 Other/Domestic 24.000 70 1,680.000

SA210A1 1.500 0.203 Other/Domestic 24.000 173 4,152.000

SA210A1 1.500 0.220 Other/Domestic 24.000 22 528.000

SA210A1 1.750 0.150 Other/Domestic 26.000 29 754.000

SA210A1 1.750 0.180 Other/Domestic 24.000 15 360.000

SA210A1 1.750 0.180 Other/Domestic 38.000 41 1,558.000

SA210A1 1.750 0.203 Other/Domestic 24.000 4 96.000

SA210A1 1.750 0.220 Other/Domestic 24.250 1 24.250

Page 3 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA210A1 1.750 0.300 Other/Domestic 32.000 27 864.000

SA210A1 2.000 0.095 Other/Domestic 24.000 90 2,160.000

SA210A1 2.000 0.095 Other/Domestic 36.000 32 1,152.000

SA210A1 2.000 0.125 Other/Domestic 24.000 69 1,656.000

SA210A1 2.000 0.135 Other/Domestic 24.000 47 1,128.000

SA210A1 2.000 0.135 Other/Domestic 35.500 25 887.500

SA210A1 2.000 0.150 Other/Domestic 38.000 31 1,178.000

SA210A1 2.000 0.165 Other/Domestic 22.000 1 22.000

SA210A1 2.000 0.165 Other/Domestic 38.000 54 2,052.000

SA210A1 2.000 0.180 Other/Domestic 38.000 53 2,014.000

SA210A1 2.000 0.203 Other/Domestic 24.000 42 1,008.000

SA210A1 2.000 0.203 Other/Domestic 32.500 1 32.500

SA210A1 2.000 0.203 Other/Domestic 38.000 14 532.000

SA210A1 2.000 0.206 Other/Domestic 35.500 8 284.000

SA210A1 2.000 0.220 Other/Domestic 38.000 34 1,292.000

SA210A1 2.000 0.240 Other/Domestic 26.000 1 26.000

SA210A1 2.000 0.240 Other/Domestic 26.833 1 26.833

SA210A1 2.000 0.240 China 30.000 1 30.000

SA210A1 2.000 0.260 Other/Domestic 26.000 11 286.000

SA210A1 2.000 0.280 Other/Domestic 24.000 20 480.000

SA210A1 2.000 0.313 Other/Domestic 25.000 3 75.000

SA210A1 2.000 0.400 Other/Domestic 30.083 10 300.830

SA210A1 2.125 0.165 Other/Domestic 25.000 22 550.000

SA210A1 2.125 0.300 Other/Domestic 23.000 16 368.000

SA210A1 2.250 0.180 Other/Domestic 17.000 5 85.000

SA210A1 2.250 0.180 Other/Domestic 24.000 6 144.000

SA210A1 2.250 0.180 Other/Domestic 30.000 8 240.000

SA210A1 2.250 0.203 Other/Domestic 38.000 21 798.000

SA210A1 2.250 0.220 Other/Domestic 24.000 27 648.000

SA210A1 2.250 0.240 Other/Domestic 24.000 60 1,440.000

SA210A1 2.250 0.240 Other/Domestic 28.083 22 617.826

SA210A1 2.250 0.260 Other/Domestic 22.000 1 22.000

SA210A1 2.250 0.260 Other/Domestic 24.000 1 24.000

SA210A1 2.375 0.260 China 21.500 5 107.500

SA210A1 2.375 0.260 China 33.833 1 33.833

SA210A1 2.375 0.260 China 39.000 2 78.000

SA210A1 2.375 0.320 Other/Domestic 27.000 1 27.000

SA210A1 2.500 0.125 China 28.083 17 477.411

SA210A1 2.500 0.125 China 28.750 3 86.250

Page 4 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA210A1 2.500 0.135 Other/Domestic 23.000 1 23.000

SA210A1 2.500 0.135 Other/Domestic 38.000 41 1,558.000

SA210A1 2.500 0.150 Other/Domestic 19.500 4 78.000

SA210A1 2.500 0.150 Other/Domestic 24.000 51 1,224.000

SA210A1 2.500 0.150 Other/Domestic 29.250 11 321.750

SA210A1 2.500 0.180 Other/Domestic 32.500 1 32.500

SA210A1 2.500 0.180 Other/Domestic 38.000 75 2,850.000

SA210A1 2.500 0.188 Other/Domestic 20.500 5 102.500

SA210A1 2.500 0.200 Other/Domestic 26.000 1 26.000

SA210A1 2.500 0.203 China 19.000 8 152.000

SA210A1 2.500 0.203 Other/Domestic 24.000 50 1,200.000

SA210A1 2.500 0.203 China 38.000 37 1,406.000

SA210A1 2.500 0.220 Other/Domestic 24.000 1 24.000

SA210A1 2.500 0.220 Other/Domestic 36.750 38 1,396.500

SA210A1 2.500 0.220 Other/Domestic 38.000 75 2,850.000

SA210A1 2.500 0.240 Other/Domestic 24.000 2 48.000

SA210A1 2.500 0.245 Other/Domestic 24.000 12 288.000

SA210A1 2.500 0.245 Other/Domestic 42.750 3 128.250

SA210A1 2.500 0.250 Other/Domestic 24.000 28 672.000

SA210A1 2.500 0.260 Other/Domestic 38.000 41 1,558.000

SA210A1 2.500 0.280 Other/Domestic 38.000 35 1,330.000

SA210A1 2.500 0.400 Other/Domestic 24.000 21 504.000

SA210A1 2.750 0.135 Other/Domestic 22.000 1 22.000

SA210A1 2.750 0.150 Other/Domestic 20.250 1 20.250

SA210A1 2.750 0.203 Other/Domestic 24.000 7 168.000

SA210A1 2.750 0.325 Other/Domestic 42.500 9 382.500

SA210A1 2.849 0.000 Other/Domestic 25.000 4 100.000

SA210A1 2.849 0.000 Other/Domestic 40.500 1 40.500

SA210A1 2.849 0.000 Other/Domestic 45.000 12 540.000

SA210A1 2.969 0.260 Other/Domestic 23.000 1 23.000

SA210A1 2.969 0.260 Other/Domestic 25.750 4 103.000

SA210A1 3.000 0.150 China 36.000 15 540.000

SA210A1 3.000 0.165 Other/Domestic 24.000 38 912.000

SA210A1 3.000 0.180 Other/Domestic 22.250 1 22.250

SA210A1 3.000 0.180 Other/Domestic 24.000 10 240.000

SA210A1 3.000 0.200 Other/Domestic 20.000 15 300.000

SA210A1 3.000 0.200 Other/Domestic 38.250 1 38.250

SA210A1 3.000 0.203 Other/Domestic 38.000 71 2,698.000

SA210A1 3.000 0.220 Other/Domestic 24.000 1 24.000

Page 5 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA210A1 3.000 0.220 Other/Domestic 38.000 19 722.000

SA210A1 3.000 0.240 Other/Domestic 38.000 41 1,558.000

SA210A1 3.000 0.290 Other/Domestic 38.000 24 912.000

SA210A1 3.250 0.180 Other/Domestic 19.583 1 19.583

SA210A1 3.250 0.180 Other/Domestic 24.000 7 168.000

SA210A1 3.250 0.180 Other/Domestic 25.000 5 125.000

SA210A1 3.250 0.180 Other/Domestic 38.000 41 1,558.000

SA210A1 3.250 0.203 Other/Domestic 26.750 3 80.250

SA210A1 3.250 0.203 Other/Domestic 38.000 41 1,558.000

SA210A1 3.250 0.220 Other/Domestic 24.000 21 504.000

SA210A1 3.250 0.240 Other/Domestic 24.000 28 672.000

SA210A1 3.250 0.240 China 30.000 3 90.000

SA210A1 3.250 0.240 China 30.083 1 30.083

SA210A1 3.250 0.280 Other/Domestic 20.500 7 143.500

SA210A1 6.000 0.572 Other/Domestic 24.500 3 73.500

SA210A1-MLR 2.000 0.200 Other/Domestic 17.500 28 490.000

SA210A1-MLR 2.000 0.220 Other/Domestic 20.000 30 600.000

SA210A1-MLR 2.250 0.300 Other/Domestic 29.750 3 89.250

SA210A1-MLR 2.250 0.300 Other/Domestic 31.000 4 124.000

SA210A1-MLR 2.375 0.300 Other/Domestic 31.000 8 248.000

SA210A1-MLR 2.375 0.300 Other/Domestic 31.500 2 63.000

SA210A1-MLR 2.375 0.300 Other/Domestic 31.583 2 63.166

SA210A1-MLR 2.375 0.300 Other/Domestic 33.500 11 368.500

SA210A1-MLR 2.849 0.380 Other/Domestic 23.000 12 276.000

SA210C 1.625 0.000 Other/Domestic 19.500 1 19.500

SA210C 1.625 0.000 Other/Domestic 20.500 28 574.000

SA210C 2.000 0.200 Other/Domestic 32.500 1 32.500

SA210C 2.000 0.203 Other/Domestic 45.330 3 135.990

SA210C 2.000 0.240 Other/Domestic 24.000 16 384.000

SA210C 2.125 0.220 Other/Domestic 16.000 13 208.000

SA210C 2.500 0.250 Other/Domestic 24.750 3 74.250

SA210C 3.000 0.277 Other/Domestic 29.000 6 174.000

SA210C 3.000 0.299 Other/Domestic 30.000 1 30.000

SA210C 3.250 0.437 Other/Domestic 25.000 3 75.000

SA213T11 1.500 0.180 Other/Domestic 24.000 6 144.000

SA213T11 1.500 0.180 Other/Domestic 28.500 4 114.000

SA213T11 1.500 0.220 Other/Domestic 24.000 4 96.000

SA213T11 1.500 0.220 Other/Domestic 28.000 1 28.000

SA213T11 1.687 0.158 Other/Domestic 32.000 4 128.000

Page 6 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213T11 1.750 0.180 Other/Domestic 23.583 13 306.579

SA213T11 1.750 0.180 Other/Domestic 24.000 83 1,992.000

SA213T11 1.750 0.200 Other/Domestic 24.000 56 1,344.000

SA213T11 1.750 0.203 Other/Domestic 24.000 60 1,440.000

SA213T11 1.750 0.250 Other/Domestic 24.000 44 1,056.000

SA213T11 1.750 0.300 Other/Domestic 21.500 1 21.500

SA213T11 1.750 0.300 Other/Domestic 22.500 21 472.500

SA213T11 1.750 0.375 Other/Domestic 30.000 12 360.000

SA213T11 2.000 0.135 Other/Domestic 24.000 87 2,088.000

SA213T11 2.000 0.165 Other/Domestic 24.000 36 864.000

SA213T11 2.000 0.165 China 24.250 4 97.000

SA213T11 2.000 0.165 Other/Domestic 27.000 14 378.000

SA213T11 2.000 0.165 Other/Domestic 32.000 2 64.000

SA213T11 2.000 0.165 Other/Domestic 38.000 6 228.000

SA213T11 2.000 0.203 China 33.500 11 368.500

SA213T11 2.000 0.203 Other/Domestic 38.000 50 1,900.000

SA213T11 2.000 0.220 Other/Domestic 24.000 27 648.000

SA213T11 2.000 0.400 Other/Domestic 20.000 45 900.000

SA213T11 2.000 0.400 Other/Domestic 31.000 2 62.000

SA213T11 2.125 0.280 Other/Domestic 24.000 5 120.000

SA213T11 2.125 0.280 Other/Domestic 39.000 4 156.000

SA213T11 2.125 0.360 Other/Domestic 17.000 4 68.000

SA213T11 2.150 0.290 Other/Domestic 25.000 4 100.000

SA213T11 2.250 0.180 Other/Domestic 24.083 3 72.249

SA213T11 2.250 0.180 Other/Domestic 24.250 4 97.000

SA213T11 2.250 0.180 Other/Domestic 24.500 1 24.500

SA213T11 2.375 0.240 Other/Domestic 16.333 9 146.997

SA213T11 2.375 0.240 Other/Domestic 26.000 13 338.000

SA213T11 2.375 0.240 Other/Domestic 26.500 3 79.500

SA213T11 2.375 0.240 Other/Domestic 27.000 5 135.000

SA213T11 2.375 0.240 Other/Domestic 28.000 8 224.000

SA213T11 2.480 0.000 Other/Domestic 22.000 22 484.000

SA213T11 2.500 0.148 Other/Domestic 34.000 2 68.000

SA213T11 2.500 0.150 Other/Domestic 20.000 3 60.000

SA213T11 2.500 0.150 Other/Domestic 22.000 2 44.000

SA213T11 2.500 0.150 Other/Domestic 34.000 1 34.000

SA213T11 2.500 0.150 Other/Domestic 35.000 6 210.000

SA213T11 2.500 0.150 Other/Domestic 36.000 23 828.000

SA213T11 2.500 0.150 Other/Domestic 39.500 7 276.500

Page 7 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213T11 2.500 0.165 Other/Domestic 24.000 78 1,872.000

SA213T11 2.500 0.165 Other/Domestic 27.500 5 137.500

SA213T11 2.500 0.165 Other/Domestic 28.083 10 280.830

SA213T11 2.500 0.180 Other/Domestic 23.000 33 759.000

SA213T11 2.500 0.180 Other/Domestic 24.000 18 432.000

SA213T11 2.500 0.180 Other/Domestic 26.000 2 52.000

SA213T11 2.500 0.200 Other/Domestic 36.000 1 36.000

SA213T11 2.500 0.203 Other/Domestic 24.000 3 72.000

SA213T11 2.500 0.220 Other/Domestic 24.000 14 336.000

SA213T11 2.500 0.250 Other/Domestic 15.500 12 186.000

SA213T11 2.500 0.250 Other/Domestic 16.000 2 32.000

SA213T11 2.500 0.256 Other/Domestic 33.000 1 33.000

SA213T11 2.500 0.320 Other/Domestic 38.000 4 152.000

SA213T11 2.750 0.180 Other/Domestic 25.000 1 25.000

SA213T11 3.000 0.200 Other/Domestic 23.000 2 46.000

SA213T11 3.000 0.200 Other/Domestic 24.000 40 960.000

SA213T11 3.000 0.200 Other/Domestic 27.500 54 1,485.000

SA213T11 3.500 0.438 Other/Domestic 25.583 1 25.583

SA213T11 3.500 0.438 Other/Domestic 34.083 14 477.162

SA213T12 1.375 0.000 Other/Domestic 28.000 1 28.000

SA213T12 1.500 0.260 Other/Domestic 21.000 1 21.000

SA213T12-MLR 1.250 0.203 Other/Domestic 20.000 15 300.000

SA213T12-MLR 1.250 0.203 Other/Domestic 20.417 3 61.251

SA213T2 1.375 0.203 Other/Domestic 17.417 1 17.417

SA213T2 1.375 0.220 Other/Domestic 21.000 2 42.000

SA213T2 1.750 0.305 Other/Domestic 22.750 3 68.250

SA213T2 1.750 0.330 Other/Domestic 37.000 5 185.000

SA213T2 1.750 0.365 Other/Domestic 47.500 3 142.500

SA213T2 2.250 0.180 China 37.000 4 148.000

SA213T2 2.375 0.390 Other/Domestic 29.000 7 203.000

SA213T2 2.375 0.390 Other/Domestic 32.000 13 416.000

SA213T2 2.375 0.400 Other/Domestic 21.500 7 150.500

SA213T2 2.500 0.262 Other/Domestic 24.250 2 48.500

SA213T2-MLR 2.500 0.260 Other/Domestic 33.000 5 165.000

SA213T2-MLR 3.000 0.320 Other/Domestic 33.667 1 33.667

SA213T2-MLR 3.000 0.320 Other/Domestic 34.000 3 102.000

SA213T2-MLR 3.000 0.320 Other/Domestic 38.000 4 152.000

SA213T22 .750 0.000 Other/Domestic 29.000 99 2,871.000

SA213T22 .875 0.150 Other/Domestic 29.000 128 3,712.000

Page 8 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213T22 1.250 0.203 Other/Domestic 30.000 10 300.000

SA213T22 1.500 0.000 China 25.500 11 280.500

SA213T22 1.500 0.120 Other/Domestic 24.000 61 1,464.000

SA213T22 1.500 0.150 Other/Domestic 24.000 113 2,712.000

SA213T22 1.500 0.150 Other/Domestic 26.250 2 52.500

SA213T22 1.500 0.150 Other/Domestic 30.000 86 2,580.000

SA213T22 1.500 0.150 China 30.000 214 6,420.000

SA213T22 1.500 0.165 Other/Domestic 20.000 1 20.000

SA213T22 1.500 0.165 Other/Domestic 24.000 75 1,800.000

SA213T22 1.500 0.180 Other/Domestic 24.000 85 2,040.000

SA213T22 1.500 0.203 Other/Domestic 24.000 28 672.000

SA213T22 1.500 0.203 Other/Domestic 25.000 2 50.000

SA213T22 1.500 0.203 Other/Domestic 29.500 141 4,159.500

SA213T22 1.500 0.203 Other/Domestic 42.500 4 170.000

SA213T22 1.500 0.220 Other/Domestic 24.000 85 2,040.000

SA213T22 1.500 0.375 Other/Domestic 39.000 11 429.000

SA213T22 1.500 0.375 Other/Domestic 40.500 8 324.000

SA213T22 1.750 0.165 Other/Domestic 24.000 36 864.000

SA213T22 1.750 0.180 Other/Domestic 18.750 13 243.750

SA213T22 1.750 0.180 Other/Domestic 23.250 4 93.000

SA213T22 1.750 0.180 Other/Domestic 24.583 1 24.583

SA213T22 1.750 0.180 Other/Domestic 28.000 15 420.000

SA213T22 1.750 0.203 Other/Domestic 24.000 40 960.000

SA213T22 1.750 0.203 Other/Domestic 25.250 1 25.250

SA213T22 1.750 0.203 Other/Domestic 27.000 14 378.000

SA213T22 1.750 0.203 Other/Domestic 39.000 1 39.000

SA213T22 1.750 0.203 China 39.000 7 273.000

SA213T22 1.750 0.220 Other/Domestic 38.000 40 1,520.000

SA213T22 1.750 0.238 Other/Domestic 39.000 7 273.000

SA213T22 1.750 0.240 Other/Domestic 24.000 51 1,224.000

SA213T22 1.750 0.240 Other/Domestic 32.083 4 128.332

SA213T22 1.750 0.280 Other/Domestic 24.000 46 1,104.000

SA213T22 1.750 0.355 Other/Domestic 34.000 1 34.000

SA213T22 1.750 0.365 Other/Domestic 24.000 1 24.000

SA213T22 1.750 0.365 Other/Domestic 24.500 12 294.000

SA213T22 1.750 0.400 Other/Domestic 21.667 1 21.667

SA213T22 1.875 0.200 Other/Domestic 42.000 12 504.000

SA213T22 1.875 0.260 Other/Domestic 27.000 5 135.000

SA213T22 1.875 0.300 Other/Domestic 24.000 2 48.000

Page 9 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213T22 1.875 0.300 Other/Domestic 24.500 25 612.500

SA213T22 1.875 0.300 Other/Domestic 40.333 1 40.333

SA213T22 1.875 0.360 Other/Domestic 16.500 30 495.000

SA213T22 1.875 0.400 Other/Domestic 23.083 10 230.830

SA213T22 1.875 0.400 Other/Domestic 24.083 18 433.494

SA213T22 1.875 0.400 Other/Domestic 35.500 144 5,112.000

SA213T22 1.875 0.400 Other/Domestic 40.500 10 405.000

SA213T22 1.875 0.400 Other/Domestic 41.000 35 1,435.000

SA213T22 1.875 0.438 Other/Domestic 21.750 18 391.500

SA213T22 1.875 0.438 Other/Domestic 36.000 7 252.000

SA213T22 1.875 0.438 Other/Domestic 38.750 14 542.500

SA213T22 1.938 0.203 Other/Domestic 29.000 8 232.000

SA213T22 2.000 0.120 Other/Domestic 24.000 160 3,840.000

SA213T22 2.000 0.120 Other/Domestic 26.000 4 104.000

SA213T22 2.000 0.125 Other/Domestic 24.083 1 24.083

SA213T22 2.000 0.135 Other/Domestic 24.000 6 144.000

SA213T22 2.000 0.135 Other/Domestic 24.500 1 24.500

SA213T22 2.000 0.135 Other/Domestic 38.000 59 2,242.000

SA213T22 2.000 0.148 Other/Domestic 17.000 1 17.000

SA213T22 2.000 0.150 Other/Domestic 24.000 3 72.000

SA213T22 2.000 0.165 Other/Domestic 24.000 65 1,560.000

SA213T22 2.000 0.165 China 38.000 9 342.000

SA213T22 2.000 0.180 Other/Domestic 38.000 54 2,052.000

SA213T22 2.000 0.203 China 19.000 2 38.000

SA213T22 2.000 0.203 Other/Domestic 38.000 54 2,052.000

SA213T22 2.000 0.220 Other/Domestic 24.000 19 456.000

SA213T22 2.000 0.220 Other/Domestic 34.750 8 278.000

SA213T22 2.000 0.220 Other/Domestic 36.500 6 219.000

SA213T22 2.000 0.220 China 37.750 6 226.500

SA213T22 2.000 0.220 Other/Domestic 38.000 38 1,444.000

SA213T22 2.000 0.221 Other/Domestic 38.000 7 266.000

SA213T22 2.000 0.238 Other/Domestic 32.750 2 65.500

SA213T22 2.000 0.238 Other/Domestic 39.000 8 312.000

SA213T22 2.000 0.240 Other/Domestic 38.000 40 1,520.000

SA213T22 2.000 0.260 Other/Domestic 38.000 34 1,292.000

SA213T22 2.000 0.275 Other/Domestic 39.000 20 780.000

SA213T22 2.000 0.319 Other/Domestic 24.500 5 122.500

SA213T22 2.000 0.320 Other/Domestic 20.500 46 943.000

SA213T22 2.000 0.320 Other/Domestic 24.000 23 552.000

Page 10 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213T22 2.000 0.320 Other/Domestic 25.000 2 50.000

SA213T22 2.000 0.320 Other/Domestic 36.500 5 182.500

SA213T22 2.000 0.340 China 31.000 2 62.000

SA213T22 2.000 0.340 Other/Domestic 35.500 12 426.000

SA213T22 2.000 0.375 Other/Domestic 25.000 2 50.000

SA213T22 2.000 0.375 Other/Domestic 34.750 2 69.500

SA213T22 2.000 0.375 Other/Domestic 38.500 1 38.500

SA213T22 2.000 0.380 Other/Domestic 24.000 11 264.000

SA213T22 2.000 0.390 Other/Domestic 39.000 3 117.000

SA213T22 2.000 0.400 Other/Domestic 29.500 10 295.000

SA213T22 2.000 0.408 Other/Domestic 38.000 5 190.000

SA213T22 2.000 0.430 Other/Domestic 31.500 7 220.500

SA213T22 2.000 0.440 Other/Domestic 26.000 4 104.000

SA213T22 2.000 0.500 China 23.750 3 71.250

SA213T22 2.000 0.500 Other/Domestic 25.500 5 127.500

SA213T22 2.000 0.500 Other/Domestic 30.500 6 183.000

SA213T22 2.000 0.580 Other/Domestic 30.000 6 180.000

SA213T22 2.000 0.580 Other/Domestic 32.000 2 64.000

SA213T22 2.125 0.134 Other/Domestic 27.000 1 27.000

SA213T22 2.125 0.134 Other/Domestic 31.000 13 403.000

SA213T22 2.125 0.148 Other/Domestic 26.000 1 26.000

SA213T22 2.125 0.165 Other/Domestic 25.333 1 25.333

SA213T22 2.125 0.180 Other/Domestic 20.167 22 443.674

SA213T22 2.125 0.180 Other/Domestic 26.000 2 52.000

SA213T22 2.125 0.180 Other/Domestic 30.000 6 180.000

SA213T22 2.125 0.180 Other/Domestic 32.000 97 3,104.000

SA213T22 2.125 0.200 China 25.750 4 103.000

SA213T22 2.125 0.203 Other/Domestic 24.000 11 264.000

SA213T22 2.125 0.203 China 30.500 10 305.000

SA213T22 2.125 0.203 China 34.500 32 1,104.000

SA213T22 2.125 0.203 Other/Domestic 37.500 4 150.000

SA213T22 2.125 0.240 Other/Domestic 25.000 2 50.000

SA213T22 2.125 0.281 China 26.000 25 650.000

SA213T22 2.125 0.281 Other/Domestic 28.083 2 56.166

SA213T22 2.125 0.282 Other/Domestic 21.500 11 236.500

SA213T22 2.125 0.282 Other/Domestic 23.500 4 94.000

SA213T22 2.125 0.282 Other/Domestic 24.750 1 24.750

SA213T22 2.125 0.282 Other/Domestic 29.750 3 89.250

SA213T22 2.125 0.300 Other/Domestic 24.000 16 384.000

Page 11 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213T22 2.125 0.313 Other/Domestic 18.000 3 54.000

SA213T22 2.125 0.340 China 32.750 4 131.000

SA213T22 2.125 0.375 China 26.000 4 104.000

SA213T22 2.125 0.375 China 26.250 2 52.500

SA213T22 2.125 0.375 China 28.250 10 282.500

SA213T22 2.125 0.375 Other/Domestic 31.000 1 31.000

SA213T22 2.125 0.375 China 31.500 7 220.500

SA213T22 2.125 0.375 Other/Domestic 38.500 11 423.500

SA213T22 2.125 0.395 Other/Domestic 29.000 2 58.000

SA213T22 2.125 0.395 Other/Domestic 32.000 6 192.000

SA213T22 2.125 0.395 Other/Domestic 44.250 7 309.750

SA213T22 2.125 0.400 Other/Domestic 20.000 17 340.000

SA213T22 2.125 0.425 Other/Domestic 28.000 4 112.000

SA213T22 2.125 0.500 Other/Domestic 25.250 3 75.750

SA213T22 2.250 0.125 Other/Domestic 28.083 26 730.158

SA213T22 2.250 0.150 Other/Domestic 24.000 4 96.000

SA213T22 2.250 0.165 Other/Domestic 38.000 43 1,634.000

SA213T22 2.250 0.180 Other/Domestic 27.417 6 164.502

SA213T22 2.250 0.180 China 38.500 7 269.500

SA213T22 2.250 0.203 Other/Domestic 38.000 67 2,546.000

SA213T22 2.250 0.220 Other/Domestic 19.250 43 827.750

SA213T22 2.250 0.220 Other/Domestic 24.000 4 96.000

SA213T22 2.250 0.220 Other/Domestic 28.083 2 56.166

SA213T22 2.250 0.220 Other/Domestic 32.500 1 32.500

SA213T22 2.250 0.220 Other/Domestic 38.250 2 76.500

SA213T22 2.250 0.240 Other/Domestic 24.000 63 1,512.000

SA213T22 2.250 0.260 Other/Domestic 24.000 45 1,080.000

SA213T22 2.250 0.290 China 34.000 2 68.000

SA213T22 2.250 0.290 Other/Domestic 38.000 3 114.000

SA213T22 2.250 0.290 China 38.000 7 266.000

SA213T22 2.250 0.438 Other/Domestic 20.000 26 520.000

SA213T22 2.250 0.438 Other/Domestic 32.000 2 64.000

SA213T22 2.250 0.500 Other/Domestic 29.750 1 29.750

SA213T22 2.375 0.180 Other/Domestic 24.000 4 96.000

SA213T22 2.375 0.180 Other/Domestic 29.000 4 116.000

SA213T22 2.500 0.134 Other/Domestic 36.250 7 253.750

SA213T22 2.500 0.148 Other/Domestic 21.667 2 43.334

SA213T22 2.500 0.148 Other/Domestic 31.500 3 94.500

SA213T22 2.500 0.148 Other/Domestic 35.000 15 525.000

Page 12 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213T22 2.500 0.150 Other/Domestic 20.000 17 340.000

SA213T22 2.500 0.150 Other/Domestic 20.500 4 82.000

SA213T22 2.500 0.150 Other/Domestic 23.500 3 70.500

SA213T22 2.500 0.150 Other/Domestic 24.917 3 74.751

SA213T22 2.500 0.150 Other/Domestic 28.083 14 393.162

SA213T22 2.500 0.150 Other/Domestic 28.500 1 28.500

SA213T22 2.500 0.150 Other/Domestic 34.000 5 170.000

SA213T22 2.500 0.150 Other/Domestic 40.000 23 920.000

SA213T22 2.500 0.165 Other/Domestic 24.000 40 960.000

SA213T22 2.500 0.165 China 26.250 16 420.000

SA213T22 2.500 0.165 Other/Domestic 30.500 28 854.000

SA213T22 2.500 0.180 Other/Domestic 24.000 23 552.000

SA213T22 2.500 0.180 Other/Domestic 27.000 4 108.000

SA213T22 2.500 0.180 Other/Domestic 35.500 4 142.000

SA213T22 2.500 0.203 Other/Domestic 28.083 1 28.083

SA213T22 2.500 0.203 Other/Domestic 32.083 4 128.332

SA213T22 2.500 0.203 Other/Domestic 38.000 23 874.000

SA213T22 2.500 0.220 China 25.250 9 227.250

SA213T22 2.500 0.220 Other/Domestic 37.000 1 37.000

SA213T22 2.500 0.240 China 24.000 1 24.000

SA213T22 2.500 0.250 Other/Domestic 25.500 3 76.500

SA213T22 2.500 0.260 Other/Domestic 24.000 5 120.000

SA213T22 2.500 0.260 Other/Domestic 26.000 5 130.000

SA213T22 2.500 0.260 Other/Domestic 38.000 40 1,520.000

SA213T22 2.500 0.280 Other/Domestic 38.000 40 1,520.000

SA213T22 2.500 0.320 Other/Domestic 20.000 7 140.000

SA213T22 2.500 0.320 Other/Domestic 25.000 1 25.000

SA213T22 2.750 0.225 Other/Domestic 31.000 4 124.000

SA213T22 3.000 0.220 Other/Domestic 28.000 6 168.000

SA213T23 1.500 0.135 Other/Domestic 32.000 45 1,440.000

SA213T9 2.500 0.238 Other/Domestic 24.250 5 121.250

SA213T91 .750 0.000 Other/Domestic 29.000 176 5,104.000

SA213T91 .875 0.150 Other/Domestic 29.000 7 203.000

SA213T91 1.500 0.150 China 26.000 911 23,686.000

SA213T91 1.500 0.150 China 28.000 241 6,748.000

SA213T91 2.250 0.213 Other/Domestic 36.250 1 36.250

SA213T91 2.250 0.213 Other/Domestic 37.250 6 223.500

SA213T91 2.250 0.240 Other/Domestic 34.500 4 138.000

SA213TP304H 1.500 0.165 China 14.920 1 14.920

Page 13 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213TP304H 1.500 0.165 Other/Domestic 26.083 1 26.083

SA213TP304H 1.500 0.165 China 26.083 3 78.249

SA213TP304H 1.500 0.165 China 34.000 4 136.000

SA213TP304H 1.500 0.200 China 26.000 1 26.000

SA213TP304H 1.500 0.240 China 27.333 1 27.333

SA213TP304H 1.500 0.240 China 33.333 2 66.666

SA213TP304H 1.625 0.180 Other/Domestic 25.000 20 500.000

SA213TP304H 1.750 0.148 Other/Domestic 32.083 1 32.083

SA213TP304H 1.750 0.180 Other/Domestic 22.750 1 22.750

SA213TP304H 1.750 0.200 Other/Domestic 38.000 3 114.000

SA213TP304H 1.750 0.235 Other/Domestic 29.000 5 145.000

SA213TP304H 1.875 0.200 Other/Domestic 25.000 88 2,200.000

SA213TP304H 2.000 0.165 China 21.500 1 21.500

SA213TP304H 2.000 0.165 Other/Domestic 24.000 12 288.000

SA213TP304H 2.000 0.165 China 25.000 4 100.000

SA213TP304H 2.000 0.200 Other/Domestic 30.500 1 30.500

SA213TP304H 2.000 0.203 Other/Domestic 24.000 8 192.000

SA213TP304H 2.000 0.203 Other/Domestic 27.000 1 27.000

SA213TP304H 2.000 0.203 China 28.083 6 168.498

SA213TP304H 2.000 0.220 Other/Domestic 31.750 3 95.250

SA213TP304H 2.000 0.230 Other/Domestic 25.000 17 425.000

SA213TP304H 2.000 0.232 Other/Domestic 15.000 3 45.000

SA213TP304H 2.000 0.240 Other/Domestic 20.000 10 200.000

SA213TP304H 2.000 0.256 Other/Domestic 22.500 3 67.500

SA213TP304H 2.000 0.279 Other/Domestic 24.000 11 264.000

SA213TP304H 2.000 0.312 Other/Domestic 21.500 1 21.500

SA213TP304H 2.000 0.330 Other/Domestic 25.000 28 700.000

SA213TP304H 2.000 0.332 Other/Domestic 23.500 3 70.500

SA213TP304H 2.000 0.332 Other/Domestic 35.500 5 177.500

SA213TP304H 2.125 0.148 China 24.000 4 96.000

SA213TP304H 2.125 0.148 Other/Domestic 38.000 2 76.000

SA213TP304H 2.125 0.165 China 17.500 6 105.000

SA213TP304H 2.125 0.165 Other/Domestic 19.000 1 19.000

SA213TP304H 2.125 0.165 Other/Domestic 32.000 1 32.000

SA213TP304H 2.125 0.200 Other/Domestic 20.000 8 160.000

SA213TP304H 2.125 0.200 China 20.500 7 143.500

SA213TP304H 2.125 0.240 Other/Domestic 25.000 120 3,000.000

SA213TP304H 2.125 0.320 Other/Domestic 25.000 120 3,000.000

SA213TP304H 2.125 0.338 Other/Domestic 37.250 3 111.750

Page 14 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213TP304H 2.250 0.177 Other/Domestic 9.917 10 99.170

SA213TP304H 2.250 0.177 Other/Domestic 19.917 3 59.751

SA213TP304H 2.250 0.200 Other/Domestic 21.250 1 21.250

SA213TP304H 2.250 0.200 Other/Domestic 26.250 1 26.250

SA213TP304H 2.250 0.203 Other/Domestic 24.000 13 312.000

SA213TP304H 2.250 0.220 Other/Domestic 25.250 3 75.750

SA213TP304H 2.250 0.280 Other/Domestic 18.167 3 54.500

SA213TP304H 2.250 0.280 Other/Domestic 18.250 28 511.000

SA213TP304H 2.250 0.280 Other/Domestic 19.083 31 591.583

SA213TP304H 2.250 0.280 Other/Domestic 22.083 27 596.250

SA213TP304H 2.250 0.280 Other/Domestic 25.083 31 777.583

SA213TP304H 2.500 0.150 Other/Domestic 29.750 3 89.250

SA213TP304H 2.500 0.165 China 20.000 1 20.000

SA213TP304H 2.500 0.165 China 25.000 1 25.000

SA213TP304H 2.500 0.165 China 38.000 3 114.000

SA213TP304H 2.500 0.180 China 20.333 6 121.998

SA213TP304H 2.500 0.180 China 22.500 3 67.500

SA213TP304H 2.500 0.180 Other/Domestic 23.000 7 161.000

SA213TP304H 2.500 0.180 China 23.250 4 93.000

SA213TP304H 2.500 0.180 China 26.000 13 338.000

SA213TP304H 2.500 0.180 China 27.583 4 110.332

SA213TP304H 2.500 0.180 Other/Domestic 28.000 2 56.000

SA213TP304H 2.500 0.180 Other/Domestic 38.000 5 190.000

SA213TP304H 2.500 0.203 Other/Domestic 24.000 20 480.000

SA213TP304H 2.500 0.203 China 26.000 10 260.000

SA213TP304H 2.500 0.220 Other/Domestic 24.000 12 288.000

SA213TP304H 2.500 0.220 China 26.000 14 364.000

SA213TP304H 2.625 0.250 Other/Domestic 24.000 2 48.000

SA213TP304H 2.750 0.150 Other/Domestic 25.000 133 3,325.000

SA213TP304H 2.750 0.180 Other/Domestic 34.500 42 1,449.000

SA213TP304H 3.000 0.300 Other/Domestic 22.000 49 1,078.000

SA213TP310H 2.000 0.180 China 34.000 6 204.000

SA213TP310H 2.000 0.180 China 38.000 10 380.000

SA213TP310H 2.000 0.200 China 25.000 7 175.000

SA213TP310H 2.000 0.200 China 29.000 1 29.000

SA213TP310H 2.000 0.240 China 34.000 2 68.000

SA213TP310H 2.250 0.180 Other/Domestic 22.000 1 22.000

SA213TP310H 2.500 0.220 Other/Domestic 26.000 1 26.000

SA213TP310H 2.500 0.250 China 38.000 3 114.000

Page 15 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213TP310H 2.500 0.270 China 24.000 1 24.000

SA213TP321H 1.500 0.180 Other/Domestic 35.000 2 70.000

SA213TP321H 1.500 0.180 Other/Domestic 38.500 14 539.000

SA213TP321H 2.000 0.260 China 28.000 2 56.000

SA213TP321H 2.000 0.260 China 31.250 6 187.500

SA213TP321H 2.000 0.260 China 33.000 7 231.000

SA213TP321H 2.000 0.260 China 34.250 5 171.250

SA213TP321H 2.000 0.260 China 35.000 3 105.000

SA213TP321H 2.000 0.260 China 40.000 9 360.000

SA213TP321H 2.000 0.260 China 41.250 9 371.250

SA213TP321H 2.000 0.260 China 41.750 11 459.250

SA213TP321H 2.000 0.260 China 43.000 6 258.000

SA213TP321H 2.000 0.260 China 44.000 7 308.000

SA213TP321H 2.000 0.360 China 28.000 1 28.000

SA213TP321H 2.000 0.360 China 32.500 6 195.000

SA213TP321H 2.000 0.360 China 34.000 3 102.000

SA213TP321H 2.000 0.360 China 35.000 10 350.000

SA213TP321H 2.000 0.360 China 36.583 6 219.498

SA213TP321H 2.000 0.360 China 37.500 6 225.000

SA213TP321H 2.000 0.360 China 39.250 15 588.750

SA213TP321H 2.000 0.360 China 39.500 4 158.000

SA213TP321H 2.000 0.360 China 40.750 4 163.000

SA213TP321H 2.000 0.360 China 41.500 7 290.500

SA213TP321H 2.250 0.180 China 19.500 408 7,956.000

SA213TP321H 2.250 0.180 China 20.000 28 560.000

SA213TP321H 2.250 0.180 China 25.000 42 1,050.000

SA213TP321H 2.250 0.180 China 27.750 13 360.750

SA213TP321H 2.250 0.180 China 29.250 336 9,828.000

SA213TP321H 2.250 0.180 China 30.750 4 123.000

SA213TP321H 2.250 0.180 China 33.500 32 1,072.000

SA213TP347H 1.500 0.000 Other/Domestic 16.000 17 272.000

SA213TP347H 1.500 0.000 Other/Domestic 17.250 17 293.250

SA213TP347H 1.500 0.203 Other/Domestic 27.000 47 1,269.000

SA213TP347H 1.500 0.220 Other/Domestic 38.000 2 76.000

SA213TP347H 1.500 0.240 China 40.500 2 81.000

SA213TP347H 1.500 0.240 China 42.250 4 169.000

SA213TP347H 1.500 0.375 Other/Domestic 25.000 30 750.000

SA213TP347H 1.500 0.375 Other/Domestic 27.000 20 540.000

SA213TP347H 1.625 0.165 Other/Domestic 22.500 6 135.000

Page 16 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213TP347H 1.625 0.165 China 35.750 5 178.750

SA213TP347H 1.625 0.240 Other/Domestic 15.000 1 15.000

SA213TP347H 1.625 0.240 Other/Domestic 16.000 34 544.000

SA213TP347H 1.750 0.203 Other/Domestic 24.000 4 96.000

SA213TP347H 1.875 0.260 China 23.750 1 23.750

SA213TP347H 2.000 0.200 Other/Domestic 35.750 1 35.750

SA213TP347H 2.000 0.260 Other/Domestic 24.000 7 168.000

SA213TP347H 2.000 0.281 China 20.500 2 41.000

SA213TP347H 2.000 0.320 Other/Domestic 25.000 2 50.000

SA213TP347H 2.000 0.500 Other/Domestic 25.000 12 300.000

SA213TP347H 2.125 0.150 Other/Domestic 25.000 130 3,250.000

SA213TP347H 2.125 0.220 China 26.750 1 26.750

SA213TP347H 2.125 0.220 Other/Domestic 33.750 6 202.500

SA213TP347H 2.125 0.240 Other/Domestic 22.750 2 45.500

SA213TP347H 2.125 0.240 Other/Domestic 33.417 10 334.170

SA213TP347H 2.125 0.240 Other/Domestic 37.000 8 296.000

SA213TP347H 2.125 0.281 Other/Domestic 25.000 112 2,800.000

SA213TP347H 2.125 0.281 Other/Domestic 27.000 79 2,133.000

SA213TP347H 2.125 0.300 China 24.500 1 24.500

SA213TP347H 2.125 0.300 Other/Domestic 25.000 139 3,475.000

SA213TP347H 2.125 0.300 Other/Domestic 27.000 56 1,512.000

SA213TP347H 2.125 0.310 Other/Domestic 38.000 4 152.000

SA213TP347H 2.125 0.320 Other/Domestic 27.000 34 918.000

SA213TP347H 2.125 0.500 Other/Domestic 24.000 5 120.000

SA213TP347H 2.250 0.148 China 31.000 3 93.000

SA213TP347H 2.250 0.165 Other/Domestic 27.000 59 1,593.000

SA213TP347H 2.250 0.165 Other/Domestic 31.500 6 189.000

SA213TP347H 2.250 0.165 China 35.000 3 105.000

SA213TP347H 2.250 0.180 China 34.750 2 69.500

SA213TP347H 2.250 0.203 Other/Domestic 21.000 6 126.000

SA213TP347H 2.250 0.203 Other/Domestic 22.500 2 45.000

SA213TP347H 2.250 0.240 Other/Domestic 38.250 5 191.250

SA213TP347H 2.250 0.320 China 32.000 1 32.000

SA213TP347H 2.250 0.320 Other/Domestic 38.250 1 38.250

SA213TP347H 2.375 0.158 Other/Domestic 24.083 12 288.996

SA213TP347H 2.500 0.250 China 25.000 4 100.000

SA213TP347H 2.500 0.250 China 31.500 8 252.000

SA213TP347H 2.500 0.260 Other/Domestic 24.000 4 96.000

SA213TP347H 2.750 0.150 Other/Domestic 25.000 12 300.000

Page 17 of 18Printed at 05/15/18 04.00.00

Boiler Tube Company of America

Available Tubing Inventoryas of May 15, 2018

Total

Material Tube Wall Tube Available Available

Grade Diameter Thickness Origin Length (ft) # of Tubes Length (ft)

SA213TP347H 2.750 0.180 Other/Domestic 37.500 5 187.500

SA249TP304 3.500 0.125 Other/Domestic 32.000 23 736.000

SA249TP304 3.500 0.219 Other/Domestic 32.000 23 736.000

SB423825 2.000 0.220 Other/Domestic 30.000 2 60.000

SB423825 2.500 0.203 Other/Domestic 26.750 1 26.750

SB423825 2.500 0.203 Other/Domestic 28.417 1 28.417

SB423825 2.500 0.203 Other/Domestic 37.000 3 111.000

SB423825 2.500 0.203 Other/Domestic 38.000 2 76.000

ST .000 0.000 Other/Domestic 10.000 24 240.000

ST .000 0.000 Other/Domestic 10.000 36 360.000

ST .000 0.000 Other/Domestic 10.500 170 1,785.000

ST .000 0.000 Other/Domestic 10.500 100 1,050.000

ST .000 0.000 Other/Domestic 10.500 112 1,176.000

ST .000 0.000 Other/Domestic 20.000 90 1,800.000

Page 18 of 18Printed at 05/15/18 04.00.00