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 2026/07/18 0.5835 1.02351 0.9626 00.7034 00.0000 00.0000 95.1471 03.0079 00.1546 00.0078 00.0098 00.0000 00.0022 00.0016 00.0012 00.0009 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/07/18 0.5883 1.03231 0.6777 01.0632 00.0000 00.0000 93.8071 04.2620 00.1832 00.0033 00.0031 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/07/18 0.5933 1.03865 0.7864 00.9836 00.0000 00.0000 92.9582 05.0709 00.1764 00.0064 00.0094 00.0000 00.0019 00.0016 00.0022 00.0016 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/07/18 0.5910 1.03630 0.7532 00.9634 00.0000 00.0000 93.3651 04.7303 00.1677 00.0067 00.0081 00.0000 00.0016 00.0014 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/07/18 0.6044 1.08054 0.1973 00.4181 00.0000 00.0000 90.4683 08.4840 00.3593 00.0251 00.0311 00.0000 00.0065 00.0041 00.0027 00.0020 00.0009 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