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 2026/09/18 0.5821 1.01838 1.1677 00.5646 00.0000 00.0000 95.6842 02.3868 00.1700 00.0087 00.0102 00.0000 00.0024 00.0015 00.0016 00.0012 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/18 0.5866 1.02706 0.6461 01.2611 00.0000 00.0000 94.0034 03.9987 00.0881 00.0011 00.0011 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/18 0.5821 1.02036 0.8356 00.9530 00.0000 00.0000 95.2647 02.7790 00.1429 00.0070 00.0097 00.0000 00.0020 00.0014 00.0020 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/18 0.5945 1.04054 0.8090 00.9469 00.0000 00.0000 92.7730 05.2321 00.2170 00.0076 00.0089 00.0000 00.0016 00.0012 00.0010 00.0008 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/09/18 0.6048 1.08124 0.1943 00.4126 00.0000 00.0000 90.3889 08.5801 00.3524 00.0235 00.0313 00.0000 00.0064 00.0043 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