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 2026/09/13 0.5811 1.01691 1.1859 00.5305 00.0000 00.0000 95.8851 02.2301 00.1405 00.0088 00.0107 00.0000 00.0028 00.0018 00.0015 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/13 0.5878 1.02910 0.6581 01.2326 00.0000 00.0000 93.8216 04.1518 00.1315 00.0021 00.0019 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/13 0.5866 1.02274 0.9973 00.9870 00.0000 00.0000 94.4817 03.3849 00.1255 00.0062 00.0091 00.0000 00.0019 00.0015 00.0021 00.0016 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/13 0.5812 1.01926 0.8234 00.9496 00.0000 00.0000 95.4066 02.6858 00.1112 00.0069 00.0091 00.0000 00.0020 00.0017 00.0015 00.0011 00.0005 00.0000 FM 63 - Columbia GC @ 206124 2026/09/13 0.6055 1.08238 0.1940 00.4135 00.0000 00.0000 90.2530 08.7051 00.3592 00.0240 00.0336 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