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 2026/04/18 0.5780 1.01840 0.7733 00.7728 00.0000 00.0000 96.0957 02.1867 00.1403 00.0094 00.0117 00.0000 00.0029 00.0020 00.0023 00.0017 00.0008 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/04/18 0.5756 1.01494 0.8576 00.6317 00.0000 00.0000 96.5310 01.9138 00.0626 00.0014 00.0015 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/04/18 0.5824 1.02440 0.7208 00.9103 00.0000 00.0000 95.1110 03.0952 00.1299 00.0088 00.0133 00.0000 00.0026 00.0019 00.0027 00.0020 00.0010 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/04/18 0.5779 1.01789 0.7294 00.8680 00.0000 00.0000 95.9520 02.3494 00.0833 00.0060 00.0066 00.0000 00.0015 00.0011 00.0010 00.0008 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/04/18 0.6066 1.08377 0.1941 00.4302 00.0000 00.0000 89.9998 08.9601 00.3489 00.0236 00.0292 00.0000 00.0059 00.0038 00.0018 00.0013 00.0006 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