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 2026/05/10 0.5789 1.01943 0.9288 00.5615 00.0000 00.0000 96.1003 02.2305 00.1456 00.0101 00.0129 00.0000 00.0035 00.0023 00.0018 00.0014 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/10 0.5782 1.01185 0.5506 01.5316 00.0000 00.0000 95.5327 02.3388 00.0437 00.0008 00.0014 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/10 0.5850 1.02132 0.9163 01.0430 00.0000 00.0000 94.7460 03.1407 00.1207 00.0085 00.0126 00.0000 00.0029 00.0021 00.0031 00.0023 00.0011 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/10 0.5905 1.03243 0.8475 00.9966 00.0000 00.0000 94.1051 03.4447 00.4731 00.0481 00.0696 00.0000 00.0067 00.0041 00.0019 00.0014 00.0006 00.0000 FM 63 - Columbia GC @ 206124 2026/05/10 0.6044 1.07993 0.2085 00.4373 00.0000 00.0000 90.4270 08.5315 00.3314 00.0222 00.0287 00.0000 00.0055 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