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 2026/09/19 0.5834 1.01664 1.2146 00.7239 00.0000 00.0000 95.4188 02.4585 00.1568 00.0086 00.0111 00.0000 00.0025 00.0016 00.0015 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/19 0.5904 1.03205 0.6075 01.3770 00.0000 00.0000 93.2483 04.6015 00.1605 00.0026 00.0022 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/19 0.5963 1.04118 0.8639 00.9997 00.0000 00.0000 92.4283 05.4876 00.1973 00.0064 00.0090 00.0000 00.0018 00.0013 00.0020 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/19 0.5941 1.03967 0.8154 00.9558 00.0000 00.0000 92.8032 05.2317 00.1751 00.0065 00.0073 00.0000 00.0014 00.0010 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/09/19 0.6047 1.08108 0.1943 00.4119 00.0000 00.0000 90.4100 08.5611 00.3509 00.0233 00.0314 00.0000 00.0063 00.0044 00.0027 00.0020 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