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 2026/03/21 0.5787 1.02062 0.8460 00.6003 00.0000 00.0000 96.0524 02.3177 00.1493 00.0106 00.0136 00.0000 00.0036 00.0025 00.0017 00.0013 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/03/21 0.5741 1.01076 0.5661 01.1826 00.0000 00.0000 96.4546 01.7465 00.0476 00.0010 00.0013 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/03/21 0.5823 1.02289 0.7019 01.0237 00.0000 00.0000 95.0276 03.1314 00.0940 00.0052 00.0078 00.0000 00.0018 00.0013 00.0023 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/03/21 0.5795 1.01925 0.6492 01.0529 00.0000 00.0000 95.5186 02.6844 00.0810 00.0046 00.0052 00.0000 00.0012 00.0009 00.0007 00.0005 00.0002 00.0000 FM 63 - Columbia GC @ 206124 2026/03/21 0.6057 1.08269 0.1884 00.4184 00.0000 00.0000 90.2635 08.6632 00.3775 00.0271 00.0411 00.0000 00.0079 00.0060 00.0030 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