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 2026/06/19 0.5782 1.01970 0.7911 00.6927 00.0000 00.0000 96.0539 02.2972 00.1403 00.0079 00.0096 00.0000 00.0023 00.0015 00.0014 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/06/19 0.5876 1.02864 0.7099 01.1682 00.0000 00.0000 93.8849 04.1286 00.1038 00.0019 00.0024 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/06/19 0.5908 1.03528 0.7957 00.9420 00.0000 00.0000 93.4695 04.6009 00.1635 00.0074 00.0111 00.0000 00.0024 00.0018 00.0024 00.0018 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/06/19 0.5919 1.03784 0.8073 00.8675 00.0000 00.0000 93.2660 04.8692 00.1680 00.0072 00.0087 00.0000 00.0017 00.0013 00.0012 00.0009 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/06/19 0.6030 1.07798 0.2031 00.4287 00.0000 00.0000 90.7243 08.2440 00.3320 00.0236 00.0290 00.0000 00.0061 00.0037 00.0023 00.0017 00.0008 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