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 2026/09/23 0.5849 1.02409 1.1302 00.5422 00.0000 00.0000 95.0780 03.0527 00.1699 00.0091 00.0107 00.0000 00.0025 00.0015 00.0013 00.0010 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/23 0.5882 1.02778 0.5916 01.4545 00.0000 00.0000 93.6382 04.1747 00.1358 00.0022 00.0026 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/23 0.5956 1.04082 0.8274 01.0104 00.0000 00.0000 92.5153 05.4439 00.1815 00.0061 00.0081 00.0000 00.0016 00.0011 00.0020 00.0014 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/23 0.5957 1.04075 0.8290 01.0188 00.0000 00.0000 92.5078 05.4280 00.1964 00.0068 00.0079 00.0000 00.0015 00.0012 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/09/23 0.6047 1.08109 0.1944 00.4129 00.0000 00.0000 90.4024 08.5711 00.3476 00.0232 00.0315 00.0000 00.0064 00.0043 00.0027 00.0020 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