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 2026/05/13 0.5784 1.01842 0.8353 00.7148 00.0000 00.0000 96.0597 02.2346 00.1290 00.0083 00.0103 00.0000 00.0026 00.0017 00.0015 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/13 0.5902 1.03296 0.6282 01.2723 00.0000 00.0000 93.4542 04.3540 00.2815 00.0051 00.0044 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/13 0.5811 1.01932 0.7787 01.0035 00.0000 00.0000 95.3901 02.6948 00.1036 00.0075 00.0112 00.0000 00.0025 00.0018 00.0027 00.0020 00.0010 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/13 0.5826 1.02056 0.7869 01.0629 00.0000 00.0000 95.0249 03.0171 00.0907 00.0054 00.0067 00.0000 00.0014 00.0012 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/05/13 0.6043 1.07974 0.2087 00.4360 00.0000 00.0000 90.4519 08.5095 00.3303 00.0221 00.0276 00.0000 00.0057 00.0035 00.0019 00.0014 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