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 2026/05/28 0.5794 1.01642 0.9810 00.7116 00.0000 00.0000 95.9820 02.1750 00.1257 00.0078 00.0094 00.0000 00.0025 00.0017 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/28 0.5789 1.01700 0.7083 01.0482 00.0000 00.0000 95.6369 02.5426 00.0614 00.0011 00.0012 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/28 0.5776 1.01588 0.7484 00.9260 00.0000 00.0000 96.0504 02.1699 00.0837 00.0056 00.0077 00.0000 00.0018 00.0012 00.0022 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/28 0.5786 1.01915 0.6720 00.9466 00.0000 00.0000 95.7139 02.5836 00.0710 00.0043 00.0048 00.0000 00.0010 00.0008 00.0007 00.0005 00.0002 00.0000 FM 63 - Columbia GC @ 206124 2026/05/28 0.6040 1.07941 0.2066 00.4336 00.0000 00.0000 90.5140 08.4499 00.3299 00.0226 00.0282 00.0000 00.0057 00.0037 00.0025 00.0018 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