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 2025/12/18 0.5877 1.02650 1.2419 00.4912 00.0000 00.0000 94.5829 03.5147 00.1509 00.0065 00.0079 00.0000 00.0010 00.0004 00.0009 00.0007 00.0003 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2025/12/18 0.5899 1.03357 0.6272 01.2081 00.0000 00.0000 93.4920 04.4140 00.2500 00.0040 00.0043 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2025/12/18 0.6018 1.05398 0.7178 00.9709 00.0000 00.0000 91.2337 06.7923 00.2601 00.0075 00.0098 00.0000 00.0017 00.0012 00.0022 00.0016 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2025/12/18 0.6022 1.05515 0.7229 00.9299 00.0000 00.0000 91.1113 06.9901 00.2279 00.0063 00.0067 00.0000 00.0013 00.0011 00.0009 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2025/12/18 0.6058 1.07936 0.2907 00.4775 00.0000 00.0000 90.2771 08.5241 00.3504 00.0282 00.0333 00.0000 00.0074 00.0044 00.0030 00.0022 00.0011 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