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 2026/07/10 0.5858 1.02869 0.8580 00.7701 00.0000 00.0000 94.6170 03.5227 00.2039 00.0089 00.0117 00.0000 00.0024 00.0019 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/07/10 0.5917 1.03586 0.6968 01.1401 00.0000 00.0000 93.1367 04.8222 00.1962 00.0036 00.0040 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/07/10 0.5987 1.04649 0.8502 00.9264 00.0000 00.0000 92.0286 05.8866 00.2816 00.0082 00.0107 00.0000 00.0019 00.0014 00.0019 00.0014 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/07/10 0.5941 1.03877 0.8542 00.9479 00.0000 00.0000 92.8710 05.1150 00.1896 00.0074 00.0088 00.0000 00.0017 00.0014 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/07/10 0.6038 1.07948 0.1991 00.4201 00.0000 00.0000 90.5892 08.3671 00.3525 00.0251 00.0306 00.0000 00.0065 00.0039 00.0026 00.0019 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