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 2026/05/15 0.5794 1.01855 0.9724 00.5957 00.0000 00.0000 95.9959 02.2831 00.1279 00.0077 00.0096 00.0000 00.0025 00.0017 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/15 0.5801 1.01608 0.5966 01.3848 00.0000 00.0000 95.2306 02.7272 00.0583 00.0009 00.0012 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/15 0.5899 1.03349 0.7551 01.0250 00.0000 00.0000 93.5909 04.4451 00.1594 00.0065 00.0092 00.0000 00.0020 00.0014 00.0023 00.0017 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/15 0.5899 1.03439 0.7162 01.0264 00.0000 00.0000 93.5172 04.5847 00.1378 00.0058 00.0068 00.0000 00.0013 00.0011 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/05/15 0.6043 1.07970 0.2087 00.4361 00.0000 00.0000 90.4586 08.5026 00.3300 00.0222 00.0280 00.0000 00.0055 00.0036 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