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 2026/08/16 0.5812 1.01675 1.1753 00.5623 00.0000 00.0000 95.8424 02.2645 00.1297 00.0082 00.0103 00.0000 00.0022 00.0014 00.0015 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/08/16 0.5923 1.03879 0.6874 01.0346 00.0000 00.0000 93.1184 04.8613 00.2865 00.0057 00.0059 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/08/16 0.5857 1.02736 0.7779 00.9577 00.0000 00.0000 94.4827 03.6046 00.1541 00.0063 00.0087 00.0000 00.0019 00.0013 00.0020 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/08/16 0.5817 1.02111 0.8012 00.9204 00.0000 00.0000 95.2707 02.8809 00.1076 00.0062 00.0074 00.0000 00.0015 00.0013 00.0010 00.0008 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/08/13 0.6067 1.08412 0.1951 00.4180 00.0000 00.0000 90.0290 08.9128 00.3697 00.0243 00.0319 00.0000 00.0066 00.0044 00.0036 00.0027 00.0013 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