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 2026/05/18 0.5789 1.01858 0.8635 00.7166 00.0000 00.0000 95.9864 02.2627 00.1422 00.0091 00.0111 00.0000 00.0027 00.0018 00.0016 00.0012 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/18 0.5814 1.01972 0.5951 01.2949 00.0000 00.0000 94.9738 03.0701 00.0635 00.0011 00.0011 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/18 0.5917 1.03734 0.7357 00.9952 00.0000 00.0000 93.1908 04.9037 00.1519 00.0059 00.0086 00.0000 00.0018 00.0013 00.0021 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/18 0.5904 1.03427 0.7337 01.0564 00.0000 00.0000 93.4138 04.6465 00.1337 00.0054 00.0060 00.0000 00.0013 00.0009 00.0008 00.0006 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/05/18 0.6044 1.07986 0.2088 00.4358 00.0000 00.0000 90.4410 08.5196 00.3302 00.0223 00.0279 00.0000 00.0056 00.0036 00.0022 00.0016 00.0008 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