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 2026/05/23 0.5809 1.02255 0.9103 00.5974 00.0000 00.0000 95.6311 02.6913 00.1450 00.0081 00.0095 00.0000 00.0024 00.0016 00.0013 00.0010 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/23 0.5772 1.01493 0.5950 01.1795 00.0000 00.0000 95.8560 02.3143 00.0529 00.0010 00.0011 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/23 0.5903 1.03297 0.9063 00.8586 00.0000 00.0000 93.7720 04.1985 00.2407 00.0070 00.0092 00.0000 00.0017 00.0012 00.0021 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/23 0.5897 1.03440 0.7389 00.9779 00.0000 00.0000 93.5792 04.5409 00.1482 00.0051 00.0055 00.0000 00.0012 00.0008 00.0007 00.0005 00.0002 00.0000 FM 63 - Columbia GC @ 206124 2026/05/23 0.6044 1.08001 0.2081 00.4351 00.0000 00.0000 90.4218 08.5411 00.3298 00.0224 00.0276 00.0000 00.0058 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