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 2026/04/20 0.5773 1.01785 0.7830 00.7245 00.0000 00.0000 96.2716 02.0432 00.1413 00.0104 00.0139 00.0000 00.0037 00.0029 00.0024 00.0018 00.0008 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/04/20 0.5779 1.01800 0.8909 00.6111 00.0000 00.0000 96.1111 02.3119 00.0717 00.0015 00.0014 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/04/20 0.5809 1.02092 0.7989 00.8625 00.0000 00.0000 95.5124 02.6623 00.1237 00.0099 00.0148 00.0000 00.0038 00.0029 00.0039 00.0029 00.0014 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/04/20 0.5801 1.02064 0.7353 00.8980 00.0000 00.0000 95.5182 02.7374 00.0941 00.0058 00.0063 00.0000 00.0014 00.0011 00.0009 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/04/20 0.6059 1.08263 0.1957 00.4310 00.0000 00.0000 90.1331 08.8312 00.3439 00.0230 00.0286 00.0000 00.0057 00.0036 00.0017 00.0012 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