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 2026/09/21 0.5847 1.02261 1.1766 00.5460 00.0000 00.0000 95.1552 02.9264 00.1669 00.0097 00.0113 00.0000 00.0028 00.0015 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/21 0.5983 1.04474 0.5742 01.4124 00.0000 00.0000 91.9723 05.4997 00.5241 00.0091 00.0078 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/21 0.5941 1.03895 0.8410 00.9593 00.0000 00.0000 92.8689 05.1105 00.1957 00.0069 00.0093 00.0000 00.0019 00.0014 00.0022 00.0016 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/21 0.5928 1.03863 0.7916 00.9300 00.0000 00.0000 93.0694 04.9997 00.1895 00.0068 00.0076 00.0000 00.0015 00.0011 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/09/21 0.6047 1.08114 0.1943 00.4133 00.0000 00.0000 90.3992 08.5716 00.3489 00.0233 00.0323 00.0000 00.0063 00.0042 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