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 2026/06/26 0.5842 1.02411 0.7873 00.9952 00.0000 00.0000 94.8331 03.1811 00.1703 00.0096 00.0133 00.0000 00.0032 00.0025 00.0018 00.0013 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/06/26 0.5910 1.03417 0.7291 01.1263 00.0000 00.0000 93.3357 04.5815 00.2202 00.0034 00.0034 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/06/26 0.5963 1.04375 0.8423 00.8731 00.0000 00.0000 92.6459 05.2401 00.3516 00.0130 00.0196 00.0000 00.0037 00.0035 00.0032 00.0023 00.0011 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/06/26 0.5973 1.04467 0.8322 00.9289 00.0000 00.0000 92.3220 05.6135 00.2597 00.0114 00.0184 00.0000 00.0036 00.0039 00.0028 00.0021 00.0010 00.0000 FM 63 - Columbia GC @ 206124 2026/06/26 0.6032 1.07846 0.2021 00.4247 00.0000 00.0000 90.6873 08.2750 00.3413 00.0244 00.0294 00.0000 00.0063 00.0038 00.0024 00.0018 00.0009 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