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 2026/09/12 0.5828 1.01735 1.2545 00.5590 00.0000 00.0000 95.6158 02.3880 00.1553 00.0090 00.0108 00.0000 00.0026 00.0016 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/12 0.5884 1.03108 0.6251 01.2273 00.0000 00.0000 93.6748 04.3158 00.1515 00.0026 00.0026 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/12 0.5862 1.02626 0.8159 01.0158 00.0000 00.0000 94.3598 03.6714 00.1172 00.0052 00.0074 00.0000 00.0016 00.0011 00.0019 00.0014 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/12 0.5815 1.02009 0.7942 00.9709 00.0000 00.0000 95.3066 02.7997 00.1078 00.0065 00.0079 00.0000 00.0018 00.0014 00.0013 00.0009 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/09/12 0.6053 1.08208 0.1941 00.4127 00.0000 00.0000 90.2923 08.6681 00.3586 00.0240 00.0327 00.0000 00.0066 00.0044 00.0029 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