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 2026/06/05 0.5818 1.02387 0.8829 00.6394 00.0000 00.0000 95.4943 02.7659 00.1790 00.0112 00.0146 00.0000 00.0039 00.0029 00.0025 00.0019 00.0009 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/06/05 0.5914 1.03390 0.8713 00.9666 00.0000 00.0000 93.3526 04.6416 00.1629 00.0024 00.0023 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/06/05 0.5956 1.04372 0.8280 00.8363 00.0000 00.0000 92.5992 05.4855 00.2230 00.0078 00.0108 00.0000 00.0021 00.0015 00.0025 00.0018 00.0009 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/06/05 0.5943 1.04144 0.8324 00.8463 00.0000 00.0000 92.8242 05.2735 00.1998 00.0079 00.0093 00.0000 00.0018 00.0014 00.0013 00.0009 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/06/05 0.6034 1.07848 0.2055 00.4321 00.0000 00.0000 90.6383 08.3283 00.3299 00.0230 00.0282 00.0000 00.0059 00.0036 00.0022 00.0016 00.0008 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