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 2026/06/21 0.5791 1.02050 0.7794 00.7454 00.0000 00.0000 95.8717 02.4258 00.1490 00.0092 00.0111 00.0000 00.0028 00.0018 00.0016 00.0012 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/06/21 0.5777 1.01172 0.6093 01.4045 00.0000 00.0000 95.7268 02.1956 00.0609 00.0009 00.0015 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/06/21 0.5944 1.04092 0.8085 00.9185 00.0000 00.0000 92.7791 05.2788 00.1889 00.0071 00.0103 00.0000 00.0021 00.0015 00.0022 00.0016 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/06/21 0.5901 1.03447 0.7848 00.9366 00.0000 00.0000 93.5891 04.5053 00.1630 00.0069 00.0083 00.0000 00.0016 00.0014 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/06/21 0.6030 1.07790 0.2054 00.4294 00.0000 00.0000 90.7318 08.2309 00.3345 00.0237 00.0289 00.0000 00.0061 00.0036 00.0024 00.0018 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