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 2026/05/17 0.5811 1.02306 0.8731 00.6381 00.0000 00.0000 95.5713 02.7419 00.1466 00.0087 00.0107 00.0000 00.0030 00.0021 00.0019 00.0014 00.0007 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/17 0.5808 1.01716 0.6335 01.3286 00.0000 00.0000 95.1479 02.8183 00.0676 00.0016 00.0022 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/17 0.5898 1.03311 0.7660 01.0174 00.0000 00.0000 93.6230 04.4208 00.1474 00.0067 00.0098 00.0000 00.0021 00.0015 00.0023 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/17 0.5918 1.03677 0.7463 01.0230 00.0000 00.0000 93.1583 04.9064 00.1473 00.0062 00.0073 00.0000 00.0015 00.0012 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/05/17 0.6044 1.07993 0.2086 00.4362 00.0000 00.0000 90.4304 08.5300 00.3303 00.0222 00.0285 00.0000 00.0057 00.0035 00.0020 00.0015 00.0007 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