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 2026/09/17 0.5822 1.01659 1.2766 00.5161 00.0000 00.0000 95.7645 02.2653 00.1468 00.0097 00.0117 00.0000 00.0029 00.0020 00.0018 00.0013 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/17 0.5991 1.04568 0.5679 01.4436 00.0000 00.0000 91.8923 05.4584 00.6138 00.0116 00.0116 00.0000 00.0003 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/17 0.5874 1.02754 0.8875 00.9443 00.0000 00.0000 94.3009 03.6292 00.2118 00.0077 00.0102 00.0000 00.0020 00.0015 00.0021 00.0016 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/17 0.5820 1.02051 0.8093 00.9711 00.0000 00.0000 95.2390 02.8289 00.1311 00.0068 00.0080 00.0000 00.0016 00.0012 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/09/17 0.6049 1.08143 0.1942 00.4128 00.0000 00.0000 90.3673 08.5994 00.3536 00.0236 00.0318 00.0000 00.0065 00.0043 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