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 2025/09/17 0.5817 1.02242 0.8805 00.7259 00.0000 00.0000 95.4527 02.7411 00.1711 00.0090 00.0118 00.0000 00.0026 00.0019 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2025/09/17 0.5778 1.01801 0.5704 01.0910 00.0000 00.0000 95.7502 02.5034 00.0806 00.0015 00.0021 00.0000 00.0000 00.0000 00.0002 00.0001 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2025/09/17 0.5905 1.03590 0.7573 00.9329 00.0000 00.0000 93.5415 04.5425 00.1895 00.0093 00.0156 00.0000 00.0029 00.0025 00.0026 00.0019 00.0009 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2025/09/17 0.5893 1.03193 0.8543 00.9047 00.0000 00.0000 93.9059 04.0922 00.2116 00.0099 00.0131 00.0000 00.0025 00.0021 00.0016 00.0012 00.0005 00.0000 FM 63 - Columbia GC @ 206124 2025/09/17 0.6038 1.07990 0.1909 00.4094 00.0000 00.0000 90.5628 08.4348 00.3291 00.0236 00.0307 00.0000 00.0064 00.0038 00.0037 00.0028 00.0013 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