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 2026/05/12 0.5804 1.02083 0.9264 00.6240 00.0000 00.0000 95.9021 02.2636 00.2309 00.0180 00.0239 00.0000 00.0041 00.0027 00.0019 00.0014 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/12 0.5863 1.02549 0.5360 01.5015 00.0000 00.0000 93.9821 03.8147 00.1587 00.0032 00.0034 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/12 0.5799 1.01715 0.7785 01.0257 00.0000 00.0000 95.6140 02.4545 00.0993 00.0070 00.0107 00.0000 00.0025 00.0018 00.0027 00.0020 00.0009 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/12 0.5819 1.01987 0.7565 01.0789 00.0000 00.0000 95.1465 02.9135 00.0858 00.0057 00.0071 00.0000 00.0016 00.0013 00.0012 00.0009 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/05/12 0.6043 1.07973 0.2084 00.4366 00.0000 00.0000 90.4548 08.5046 00.3308 00.0222 00.0290 00.0000 00.0057 00.0034 00.0019 00.0014 00.0006 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