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 2026/07/12 0.5834 1.02589 0.9119 00.6264 00.0000 00.0000 95.1916 03.0505 00.1823 00.0110 00.0155 00.0000 00.0036 00.0028 00.0018 00.0013 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/07/12 0.5906 1.03493 0.7549 01.0037 00.0000 00.0000 93.4283 04.6200 00.1867 00.0032 00.0029 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/07/12 0.5959 1.04042 0.8520 01.0221 00.0000 00.0000 92.5158 05.3863 00.1938 00.0079 00.0122 00.0000 00.0024 00.0020 00.0023 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/07/12 0.5947 1.03938 0.8670 00.9475 00.0000 00.0000 92.7472 05.2416 00.1751 00.0072 00.0083 00.0000 00.0017 00.0013 00.0012 00.0009 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/07/12 0.6039 1.07970 0.1990 00.4196 00.0000 00.0000 90.5608 08.3957 00.3531 00.0252 00.0306 00.0000 00.0066 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