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 2026/09/11 0.5810 1.01584 1.2256 00.5235 00.0000 00.0000 95.9753 02.0777 00.1705 00.0092 00.0110 00.0000 00.0024 00.0015 00.0013 00.0010 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/11 0.5883 1.03135 0.6345 01.1856 00.0000 00.0000 93.7180 04.3003 00.1569 00.0023 00.0021 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/11 0.5825 1.02114 0.7803 01.0272 00.0000 00.0000 95.0823 02.9763 00.1119 00.0057 00.0082 00.0000 00.0018 00.0013 00.0020 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/11 0.5821 1.02137 0.7992 00.9446 00.0000 00.0000 95.2111 02.8916 00.1338 00.0067 00.0075 00.0000 00.0015 00.0011 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/09/11 0.6055 1.08234 0.1937 00.4137 00.0000 00.0000 90.2582 08.7003 00.3599 00.0241 00.0325 00.0000 00.0066 00.0045 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