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 2026/02/18 0.5861 1.02902 1.0264 00.5143 00.0000 00.0000 94.7392 03.5261 00.1662 00.0090 00.0109 00.0000 00.0027 00.0018 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/02/18 0.5750 1.01319 0.6967 00.9278 00.0000 00.0000 96.4461 01.8620 00.0630 00.0017 00.0023 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/02/18 0.5946 1.04220 0.8004 00.8705 00.0000 00.0000 92.7211 05.4117 00.1734 00.0062 00.0085 00.0000 00.0017 00.0012 00.0023 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/02/18 0.6016 1.05137 0.8606 00.8904 00.0000 00.0000 91.3834 06.6150 00.2306 00.0073 00.0077 00.0000 00.0014 00.0011 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/02/18 0.6005 1.07185 0.2599 00.4695 00.0000 00.0000 91.3368 07.5127 00.3403 00.0264 00.0350 00.0000 00.0075 00.0049 00.0031 00.0023 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