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 2026/06/09 0.5800 1.02134 0.8287 00.7028 00.0000 00.0000 95.7925 02.4669 00.1710 00.0115 00.0145 00.0000 00.0039 00.0028 00.0023 00.0017 00.0008 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/06/09 0.5774 1.01501 0.6721 01.0769 00.0000 00.0000 95.9022 02.2961 00.0507 00.0008 00.0009 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/06/09 0.5946 1.04082 0.8694 00.8506 00.0000 00.0000 92.8741 05.1311 00.2440 00.0092 00.0117 00.0000 00.0024 00.0016 00.0025 00.0019 00.0009 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/06/09 0.5920 1.03321 0.8942 01.0264 00.0000 00.0000 93.2871 04.6113 00.1605 00.0067 00.0080 00.0000 00.0016 00.0013 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/06/09 0.6032 1.07813 0.2053 00.4312 00.0000 00.0000 90.6905 08.2757 00.3301 00.0231 00.0291 00.0000 00.0060 00.0036 00.0023 00.0017 00.0008 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