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 2026/08/13 0.5836 1.01859 1.2383 00.5840 00.0000 00.0000 95.4594 02.5090 00.1819 00.0094 00.0108 00.0000 00.0022 00.0014 00.0014 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/08/13 0.5918 1.03606 0.6505 01.2021 00.0000 00.0000 93.1743 04.6688 00.2946 00.0045 00.0049 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/08/13 0.5831 1.02306 0.8140 00.9153 00.0000 00.0000 95.0376 03.0792 00.1288 00.0071 00.0095 00.0000 00.0021 00.0015 00.0021 00.0016 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/08/13 0.5822 1.02248 0.7653 00.9422 00.0000 00.0000 95.1162 03.0540 00.1056 00.0056 00.0065 00.0000 00.0013 00.0010 00.0008 00.0006 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/08/13 0.6067 1.08412 0.1951 00.4180 00.0000 00.0000 90.0290 08.9128 00.3697 00.0243 00.0319 00.0000 00.0066 00.0044 00.0036 00.0027 00.0013 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