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 2026/02/26 0.5864 1.02608 1.1383 00.5494 00.0000 00.0000 94.7599 03.3760 00.1526 00.0073 00.0092 00.0000 00.0023 00.0017 00.0013 00.0010 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/02/26 0.5818 1.02024 0.6254 01.2493 00.0000 00.0000 94.9751 03.0520 00.0944 00.0016 00.0018 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/02/26 0.5980 1.04689 0.8027 00.9099 00.0000 00.0000 92.0789 05.9582 00.2195 00.0080 00.0116 00.0000 00.0023 00.0019 00.0031 00.0023 00.0011 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/02/26 0.5986 1.04752 0.7927 00.9422 00.0000 00.0000 91.9020 06.1280 00.2181 00.0060 00.0064 00.0000 00.0012 00.0009 00.0009 00.0006 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/02/26 0.6037 1.08002 0.1848 00.3973 00.0000 00.0000 90.6757 08.2692 00.3840 00.0301 00.0382 00.0000 00.0084 00.0052 00.0031 00.0023 00.0011 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