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 2026/09/10 0.5829 1.01574 1.3369 00.5410 00.0000 00.0000 95.6757 02.2660 00.1522 00.0090 00.0111 00.0000 00.0028 00.0016 00.0015 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/10 0.5872 1.02676 0.6026 01.4064 00.0000 00.0000 93.8418 04.0228 00.1227 00.0017 00.0017 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/10 0.5866 1.02628 0.8047 01.0702 00.0000 00.0000 94.3431 03.5654 00.1901 00.0072 00.0103 00.0000 00.0021 00.0017 00.0022 00.0016 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/10 0.5821 1.02139 0.7537 01.0146 00.0000 00.0000 95.2168 02.7993 00.1933 00.0078 00.0087 00.0000 00.0016 00.0013 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/09/10 0.6055 1.08235 0.1940 00.4137 00.0000 00.0000 90.2564 08.7013 00.3605 00.0241 00.0324 00.0000 00.0067 00.0044 00.0028 00.0021 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