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 2025/12/10 0.5889 1.02987 1.1644 00.5245 00.0000 00.0000 94.2887 03.8173 00.1822 00.0074 00.0092 00.0000 00.0021 00.0014 00.0011 00.0008 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2025/12/10 0.5886 1.03416 0.5861 01.1112 00.0000 00.0000 93.8398 04.1007 00.3511 00.0057 00.0051 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2025/12/10 0.6029 1.05508 0.7536 00.9557 00.0000 00.0000 91.0505 06.9444 00.2726 00.0065 00.0088 00.0000 00.0017 00.0012 00.0021 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2025/12/09 0.6031 1.05616 0.7491 00.9184 00.0000 00.0000 91.0748 06.8879 00.3452 00.0093 00.0100 00.0000 00.0016 00.0012 00.0009 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2025/12/10 0.6083 1.08013 0.3547 00.5683 00.0000 00.0000 89.7528 08.9408 00.3170 00.0225 00.0285 00.0000 00.0059 00.0038 00.0024 00.0018 00.0009 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