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 2026/04/27 0.5784 1.01862 0.8749 00.6467 00.0000 00.0000 96.1004 02.2209 00.1309 00.0083 00.0101 00.0000 00.0027 00.0017 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/04/27 0.5886 1.03156 0.6519 01.1749 00.0000 00.0000 93.6488 04.3898 00.1292 00.0025 00.0025 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/04/27 0.5825 1.02237 0.7424 01.0065 00.0000 00.0000 95.0445 03.0878 00.0969 00.0056 00.0080 00.0000 00.0018 00.0013 00.0023 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/04/21 0.5810 1.02157 0.7530 00.9030 00.0000 00.0000 95.3491 02.8808 00.0958 00.0063 00.0067 00.0000 00.0016 00.0011 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/04/27 0.6048 1.08076 0.2021 00.4351 00.0000 00.0000 90.3504 08.6078 00.3380 00.0227 00.0299 00.0000 00.0058 00.0035 00.0020 00.0015 00.0007 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