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 2026/09/15 0.5830 1.01757 1.2656 00.5460 00.0000 00.0000 95.5962 02.4098 00.1526 00.0094 00.0117 00.0000 00.0028 00.0019 00.0016 00.0012 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/15 0.6029 1.05439 0.7251 01.0381 00.0000 00.0000 91.4857 05.9610 00.7669 00.0124 00.0104 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/15 0.5876 1.02684 0.8894 01.0014 00.0000 00.0000 94.1664 03.7938 00.1239 00.0066 00.0095 00.0000 00.0021 00.0015 00.0023 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/15 0.5814 1.02053 0.7932 00.9427 00.0000 00.0000 95.3148 02.8218 00.1078 00.0063 00.0077 00.0000 00.0016 00.0012 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/09/15 0.6051 1.08180 0.1941 00.4131 00.0000 00.0000 90.3210 08.6436 00.3554 00.0237 00.0317 00.0000 00.0065 00.0045 00.0028 00.0021 00.0010 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