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 2026/06/12 0.5815 1.02198 0.9301 00.6563 00.0000 00.0000 95.5451 02.6812 00.1596 00.0089 00.0108 00.0000 00.0026 00.0017 00.0016 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/06/12 0.5782 1.01767 0.6471 01.0358 00.0000 00.0000 95.7169 02.5397 00.0578 00.0010 00.0012 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/06/12 0.5930 1.03474 0.8722 01.0612 00.0000 00.0000 93.0976 04.7583 00.1861 00.0067 00.0094 00.0000 00.0019 00.0014 00.0022 00.0016 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/06/12 0.5924 1.03683 0.8293 00.9429 00.0000 00.0000 93.1894 04.8274 00.1904 00.0069 00.0082 00.0000 00.0015 00.0013 00.0010 00.0008 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/06/12 0.6030 1.07797 0.2050 00.4308 00.0000 00.0000 90.7146 08.2513 00.3307 00.0232 00.0290 00.0000 00.0060 00.0037 00.0024 00.0018 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