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 2026/03/12 0.5808 1.02274 0.7881 00.7621 00.0000 00.0000 95.5764 02.6605 00.1722 00.0119 00.0152 00.0000 00.0042 00.0029 00.0028 00.0020 00.0010 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/03/12 0.5886 1.03175 0.6687 01.1339 00.0000 00.0000 93.7502 04.2475 00.1895 00.0043 00.0055 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/03/12 0.5845 1.02691 0.7070 00.9824 00.0000 00.0000 94.6250 03.5353 00.1250 00.0068 00.0097 00.0000 00.0021 00.0015 00.0022 00.0016 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/03/12 0.5819 1.02342 0.6517 01.0328 00.0000 00.0000 95.0236 03.1881 00.0913 00.0044 00.0047 00.0000 00.0010 00.0007 00.0006 00.0005 00.0002 00.0000 FM 63 - Columbia GC @ 206124 2026/03/12 0.6045 1.08086 0.1890 00.4158 00.0000 00.0000 90.4793 08.4666 00.3672 00.0262 00.0370 00.0000 00.0076 00.0052 00.0026 00.0019 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