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 2026/09/08 0.5849 1.01790 1.3202 00.6279 00.0000 00.0000 95.2142 02.6681 00.1461 00.0075 00.0089 00.0000 00.0022 00.0015 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/08 0.5903 1.03342 0.6996 01.1500 00.0000 00.0000 93.4470 04.4753 00.2222 00.0030 00.0025 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/08 0.5885 1.02870 0.8496 01.0328 00.0000 00.0000 93.9850 03.9369 00.1738 00.0061 00.0082 00.0000 00.0017 00.0012 00.0020 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/08 0.5830 1.02269 0.8029 00.9494 00.0000 00.0000 95.0413 03.0311 00.1559 00.0066 00.0075 00.0000 00.0015 00.0011 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/09/08 0.6055 1.08243 0.1942 00.4139 00.0000 00.0000 90.2475 08.7070 00.3634 00.0242 00.0322 00.0000 00.0068 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