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 2026/09/16 0.5816 1.01805 1.1775 00.5264 00.0000 00.0000 95.7731 02.3530 00.1406 00.0090 00.0105 00.0000 00.0030 00.0021 00.0021 00.0015 00.0007 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/16 0.5936 1.03733 0.6307 01.3315 00.0000 00.0000 92.7169 05.0536 00.2589 00.0043 00.0037 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/16 0.5822 1.02127 0.8103 00.9463 00.0000 00.0000 95.1896 02.9168 00.1129 00.0064 00.0091 00.0000 00.0020 00.0014 00.0021 00.0016 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/16 0.5841 1.02430 0.8383 00.8955 00.0000 00.0000 94.9547 03.0583 00.2298 00.0084 00.0092 00.0000 00.0016 00.0012 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/09/16 0.6049 1.08151 0.1939 00.4128 00.0000 00.0000 90.3588 08.6075 00.3543 00.0235 00.0317 00.0000 00.0064 00.0043 00.0029 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