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 2026/05/21 0.5805 1.02074 0.9446 00.6120 00.0000 00.0000 95.7229 02.5764 00.1230 00.0068 00.0079 00.0000 00.0022 00.0014 00.0011 00.0008 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/21 0.5767 1.01472 0.7083 00.9776 00.0000 00.0000 96.0888 02.1715 00.0512 00.0011 00.0012 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/21 0.5876 1.03103 0.7728 00.9293 00.0000 00.0000 94.0688 04.0651 00.1420 00.0058 00.0080 00.0000 00.0018 00.0012 00.0022 00.0016 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/21 0.5909 1.03763 0.7560 00.8697 00.0000 00.0000 93.3723 04.8392 00.1467 00.0056 00.0063 00.0000 00.0012 00.0009 00.0008 00.0006 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/05/21 0.6046 1.08023 0.2085 00.4359 00.0000 00.0000 90.3920 08.5687 00.3298 00.0222 00.0286 00.0000 00.0059 00.0035 00.0020 00.0015 00.0007 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