Location Gas Day Gravity BTU CO2 % Nitrogen % Oxygen % H2S Methane % Ethane % Propane % ISO Butane % Normal Butane% Neo Pentane % ISO Pantane % Normal Pentane % Hexane % N-Heptane % N-Octane % N-Nonane % BAY CHECK GC @ 170610 2026/09/14 0.5815 1.01682 1.2287 00.5136 00.0000 00.0000 95.8402 02.2461 00.1434 00.0091 00.0109 00.0000 00.0027 00.0017 00.0014 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/14 0.5966 1.04427 0.5982 01.2419 00.0000 00.0000 92.1687 05.6529 00.3269 00.0055 00.0055 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/14 0.5835 1.02253 0.8499 00.9355 00.0000 00.0000 94.9872 03.0681 00.1315 00.0074 00.0107 00.0000 00.0024 00.0018 00.0024 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/14 0.5817 1.01983 0.8340 00.9508 00.0000 00.0000 95.2988 02.7849 00.1108 00.0065 00.0079 00.0000 00.0017 00.0013 00.0013 00.0009 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/09/14 0.6052 1.08198 0.1940 00.4141 00.0000 00.0000 90.3029 08.6559 00.3579 00.0239 00.0338 00.0000 00.0065 00.0045 00.0028 00.0021 00.0010 00.0000 The information displayed above reflects daily average gas quality readings taken at key locations on the EGT systeGQ. The dates shown above are the dates of the readings. The readings are taken daily, and information from such readings is posted on the first day thereafter. If on any reading day there are problems retrieving the data, the last reported readings will remain posted until such time as new readings are obtained. Due to factors such as equipment failure, sample contamination and human error, the information displayed above