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 2026/03/19 0.5812 1.01861 1.0926 00.5806 00.0000 00.0000 95.7400 02.4393 00.1226 00.0075 00.0095 00.0000 00.0025 00.0019 00.0013 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/03/19 0.5757 1.00874 0.5732 01.4415 00.0000 00.0000 96.0953 01.8436 00.0446 00.0007 00.0009 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/03/19 0.5850 1.02773 0.6846 01.0103 00.0000 00.0000 94.5202 03.6327 00.1234 00.0061 00.0098 00.0000 00.0025 00.0022 00.0036 00.0027 00.0013 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/03/19 0.5815 1.02164 0.6738 01.0643 00.0000 00.0000 95.1243 03.0410 00.0834 00.0044 00.0048 00.0000 00.0011 00.0008 00.0007 00.0005 00.0002 00.0000 FM 63 - Columbia GC @ 206124 2026/03/19 0.6068 1.08444 0.1891 00.4166 00.0000 00.0000 90.0935 08.7903 00.4123 00.0307 00.0445 00.0000 00.0091 00.0067 00.0032 00.0023 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