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 2026/02/27 0.5856 1.02413 1.1743 00.5422 00.0000 00.0000 94.9535 03.1492 00.1552 00.0079 00.0101 00.0000 00.0024 00.0018 00.0013 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/02/27 0.5786 1.01541 0.5865 01.2945 00.0000 00.0000 95.5656 02.4793 00.0701 00.0015 00.0022 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/02/27 0.5987 1.04734 0.7851 00.9729 00.0000 00.0000 91.9051 06.0873 00.2235 00.0069 00.0102 00.0000 00.0020 00.0015 00.0023 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/02/27 0.5994 1.04682 0.8669 00.9469 00.0000 00.0000 91.7951 06.1721 00.2017 00.0062 00.0066 00.0000 00.0012 00.0009 00.0008 00.0006 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/02/27 0.6055 1.08267 0.1833 00.4167 00.0000 00.0000 90.3009 08.6136 00.3950 00.0286 00.0412 00.0000 00.0082 00.0056 00.0029 00.0022 00.0010 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