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 2026/09/04 0.5825 1.01475 1.3068 00.6106 00.0000 00.0000 95.7101 02.1912 00.1541 00.0090 00.0110 00.0000 00.0024 00.0016 00.0013 00.0009 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/09/04 0.5946 1.04049 0.6820 01.1569 00.0000 00.0000 92.8101 04.8651 00.4737 00.0066 00.0053 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/09/04 0.5842 1.02352 0.8243 00.9752 00.0000 00.0000 94.8621 03.1315 00.1842 00.0066 00.0086 00.0000 00.0017 00.0012 00.0019 00.0014 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/09/04 0.5831 1.02301 0.7791 00.9761 00.0000 00.0000 95.0048 03.0525 00.1675 00.0069 00.0078 00.0000 00.0015 00.0011 00.0010 00.0008 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/09/04 0.6059 1.08309 0.1942 00.4134 00.0000 00.0000 90.1689 08.7815 00.3657 00.0244 00.0345 00.0000 00.0067 00.0045 00.0027 00.0020 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