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 2026/09/27 0.5829 1.02043 1.1460 00.5503 00.0000 00.0000 95.4829 02.6401 00.1535 00.0090 00.0112 00.0000 00.0023 00.0015 00.0012 00.0009 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/27 0.5898 1.03035 0.6182 01.4111 00.0000 00.0000 93.3817 04.4084 00.1749 00.0028 00.0025 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/27 0.5960 1.04109 0.8539 00.9900 00.0000 00.0000 92.4884 05.4464 00.1967 00.0072 00.0093 00.0000 00.0020 00.0013 00.0021 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/27 0.5924 1.03688 0.8294 00.9407 00.0000 00.0000 93.1650 04.8761 00.1694 00.0067 00.0074 00.0000 00.0015 00.0011 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/09/27 0.6041 1.08019 0.1945 00.4127 00.0000 00.0000 90.5092 08.4727 00.3412 00.0228 00.0307 00.0000 00.0062 00.0042 00.0025 00.0019 00.0009 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