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 2026/08/18 0.5830 1.01834 1.2214 00.5718 00.0000 00.0000 95.5373 02.4864 00.1544 00.0090 00.0115 00.0000 00.0024 00.0016 00.0018 00.0013 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/08/18 0.5904 1.03526 0.6851 01.0734 00.0000 00.0000 93.5807 04.2724 00.3785 00.0051 00.0045 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/08/18 0.5898 1.03255 0.8085 00.9872 00.0000 00.0000 93.7325 04.2316 00.2155 00.0069 00.0095 00.0000 00.0019 00.0014 00.0022 00.0016 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/08/18 0.5875 1.03132 0.7685 00.9038 00.0000 00.0000 94.1660 03.9211 00.2211 00.0071 00.0075 00.0000 00.0014 00.0010 00.0009 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/08/13 0.6067 1.08412 0.1951 00.4180 00.0000 00.0000 90.0290 08.9128 00.3697 00.0243 00.0319 00.0000 00.0066 00.0044 00.0036 00.0027 00.0013 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