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 2026/08/11 0.5832 1.01712 1.2875 00.5600 00.0000 00.0000 95.5413 02.4495 00.1370 00.0081 00.0103 00.0000 00.0022 00.0014 00.0011 00.0008 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/08/11 0.5855 1.02864 0.7330 00.9297 00.0000 00.0000 94.4174 03.7795 00.1350 00.0025 00.0025 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/08/11 0.5867 1.02745 0.8202 00.9828 00.0000 00.0000 94.2777 03.7753 00.1240 00.0053 00.0074 00.0000 00.0016 00.0011 00.0019 00.0014 00.0006 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/08/11 0.5821 1.02412 0.6855 00.9511 00.0000 00.0000 95.0743 03.1618 00.1090 00.0059 00.0070 00.0000 00.0015 00.0012 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/08/11 0.6067 1.08410 0.1953 00.4186 00.0000 00.0000 90.0224 08.9200 00.3694 00.0244 00.0327 00.0000 00.0066 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