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 2026/03/18 0.5801 1.01747 1.0311 00.6364 00.0000 00.0000 95.8755 02.3309 00.1053 00.0064 00.0079 00.0000 00.0020 00.0014 00.0013 00.0010 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/03/18 0.5775 1.01472 0.6143 01.1969 00.0000 00.0000 95.8132 02.3054 00.0670 00.0014 00.0014 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/03/18 0.5840 1.02621 0.6622 01.0474 00.0000 00.0000 94.6803 03.4689 00.1116 00.0054 00.0090 00.0000 00.0021 00.0019 00.0050 00.0037 00.0018 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/03/18 0.5831 1.02450 0.6937 01.0102 00.0000 00.0000 94.8392 03.3503 00.0946 00.0045 00.0043 00.0000 00.0009 00.0007 00.0005 00.0004 00.0002 00.0000 FM 63 - Columbia GC @ 206124 2026/03/18 0.6068 1.08443 0.1880 00.4217 00.0000 00.0000 90.0236 08.9030 00.3776 00.0270 00.0389 00.0000 00.0080 00.0059 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