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 2026/06/13 0.5824 1.02421 0.8714 00.6924 00.0000 00.0000 95.3436 02.8750 00.1841 00.0103 00.0134 00.0000 00.0032 00.0022 00.0018 00.0013 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/06/13 0.5787 1.01708 0.6483 01.1113 00.0000 00.0000 95.6077 02.5804 00.0509 00.0007 00.0004 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/06/13 0.5910 1.03601 0.8169 00.8810 00.0000 00.0000 93.4764 04.6186 00.1821 00.0069 00.0096 00.0000 00.0019 00.0014 00.0021 00.0016 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/06/13 0.5931 1.03820 0.7801 01.0071 00.0000 00.0000 92.9993 04.9807 00.2109 00.0071 00.0088 00.0000 00.0017 00.0013 00.0012 00.0009 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/06/13 0.6030 1.07791 0.2050 00.4307 00.0000 00.0000 90.7222 08.2443 00.3305 00.0233 00.0288 00.0000 00.0059 00.0038 00.0024 00.0017 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