b'APPENDIX APPENDIXTransmission TransmissionMiles of Transmission Pipelines Miles of Transmission PipelinesVintage TN/VA KY/AEH MS MTX CO/KS LA/TLA/ WTX APT Total Class Location TN/VA KY/AEH MS MTX CO/KS LA/TLA/ WTX APT TotalPine PinePre 40s 0 0 17 0 0 2 28 164 211 Class 1 HCA 0 0 2 1 0 0 1 12 1640s 0 0 1 23 1 0 6 428 459 Class 1 Non-HCA 12 134 198 74 9 34 78 4,676 5,21550s 0 30 69 81 0 1 36 660 878 Class 2 HCA 0 0 1 1 0 0 0 13 1560s 5 29 90 25 1 0 15 1,132 1,297 Class 2 Non-HCA 27 23 70 45 0 12 13 532 72270s 0 81 4 54 0 21 3 959 1,123 Class 3 HCA 8 1 29 97 0 13 4 191 34480s 9 8 24 39 3 50 4 229 367 Class 3 Non-HCA 18 27 0 85 0 22 25 256 43390s 47 35 67 54 3 1 7 653 868 Class 4 HCA 0 0 0 6 0 0 0 3 900s 4 0 22 9 0 0 2 360 397 Class 4 Non-HCA 0 0 0 0 0 0 0 0 110s 1 0 0 24 0 5 19 1,095 1,145 Total 65 185 301 310 9 81 121 5,684 6,756Unknown 0 8 0 0 0 0 0 3 11 Pipe MaterialTotal 65 190 296 310 9 81 121 5,684 6,756Coated Steel (Un) 0 0 0 0 0 0 0 0 0Diameter Coated Steel (Pr) 66 190 296 308 8 80 121 5,367 6,435 6" 0 21 28 0 3 4 11 846 914 Bare Steel (Un) 0 0 0 0 0 0 0 0 06" thru 10" 39 104 259 86 4 30 64 2,003 2,588 Bare Steel (Pr) 0 0 0 1 1 0 0 175 177 10" thru 20" 26 65 9 209 1 24 46 1,494 1,875 Cast Iron 0 0 0 0 0 0 0 0 0 20" thru 28" 0 0 0 6 0 24 0 421 451 Wrought Iron 0 0 0 0 0 0 0 0 0 28" 0 0 0 8 0 0 0 919 928 Plastic 0 0 0 0 0 2 0 143 144Total 65 190 296 310 9 81 121 5,684 6,756 Composite 0 0 0 0 0 0 0 0 0Other 0 0 0 0 0 0 0 0 0Total 66 190 296 310 9 81 121 5,684 6,757ATMOS ENERGY CORPORATION ATMOS ENERGY CORPORATION'