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 2026/06/23 0.5820 1.01723 1.0474 00.8083 00.0000 00.0000 95.5595 02.3860 00.1643 00.0106 00.0136 00.0000 00.0033 00.0022 00.0019 00.0014 00.0007 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/06/23 0.5933 1.03747 0.6892 01.2071 00.0000 00.0000 92.8401 05.0082 00.2474 00.0040 00.0036 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/06/23 0.5920 1.03505 0.8914 00.9172 00.0000 00.0000 93.3816 04.5900 00.1800 00.0093 00.0161 00.0000 00.0034 00.0031 00.0034 00.0025 00.0012 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/06/23 0.6000 1.04799 0.8433 00.9691 00.0000 00.0000 91.9093 05.8331 00.3989 00.0145 00.0195 00.0000 00.0034 00.0032 00.0025 00.0018 00.0009 00.0000 FM 63 - Columbia GC @ 206124 2026/06/23 0.6030 1.07804 0.2039 00.4276 00.0000 00.0000 90.7248 08.2385 00.3366 00.0239 00.0291 00.0000 00.0062 00.0038 00.0024 00.0018 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