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 2025/09/16 0.5819 1.02173 0.8936 00.7645 00.0000 00.0000 95.4827 02.6092 00.2120 00.0119 00.0165 00.0000 00.0034 00.0022 00.0016 00.0012 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2025/09/16 0.5756 1.01644 0.5456 01.0183 00.0000 00.0000 96.1767 02.1797 00.0753 00.0016 00.0021 00.0000 00.0000 00.0000 00.0002 00.0001 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2025/09/16 0.5931 1.03881 0.8034 00.9265 00.0000 00.0000 93.0926 04.9316 00.2083 00.0096 00.0159 00.0000 00.0031 00.0027 00.0027 00.0020 00.0010 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2025/09/16 0.5896 1.03327 0.8245 00.9019 00.0000 00.0000 93.7708 04.2941 00.1799 00.0090 00.0116 00.0000 00.0024 00.0019 00.0016 00.0012 00.0005 00.0000 FM 63 - Columbia GC @ 206124 2025/09/16 0.6040 1.08019 0.1911 00.4086 00.0000 00.0000 90.5220 08.4771 00.3291 00.0236 00.0311 00.0000 00.0065 00.0039 00.0030 00.0022 00.0011 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